GENTA INCORPORATED /DE/
10-K/A, 1997-03-31
BIOLOGICAL PRODUCTS, (NO DIAGNOSTIC SUBSTANCES)
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                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

   
                                    FORM 10-K/A
                          AMENDMENT NO. 1 TO FORM 10-K
    

                       FOR ANNUAL AND TRANSITIONAL REPORTS
                       PURSUANT TO SECTIONS 13 OR 15(d) OF
                       THE SECURITIES EXCHANGE ACT OF 1934

[X]      ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE
         SECURITIES EXCHANGE ACT OF 1934

         For the Fiscal Year Ended December 31, 1996
                                                        OR
[  ]     TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE
         SECURITIES EXCHANGE ACT OF 1934

                         Commission File Number 0-19635

                               GENTA INCORPORATED
   (Exact name of Registrant as specified in its certificate of incorporation)

                  Delaware                                33-0326866
       (State or other jurisdiction of                 (I.R.S. Employer
       incorporation or organization)               Identification Number)

         3550 General Atomics Court
            San Diego, California                            92121
  (Address of principal executive offices)                (Zip Code)

                                 (619) 455-2700
              (Registrant's telephone number, including area code)

Securities registered pursuant to Section 12(b) of the Act:      NONE

Securities registered pursuant to 
Section 12(g) of the Act:                       Common Stock, $.001 par value
                                                Preferred Stock Purchase Rights,
                                                     Par Value $.001
                                                      (Title of Class)

Indicate by check mark whether the registrant (1) has filed all reports required
to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during
the  preceding 12 months (or for such  shorter  period that the  registrant  was
required  to file  such  reports),  and  (2) has  been  subject  to such  filing
requirements for the past 90 days.
                                          Yes    X             No

Indicate by check mark if disclosure of delinquent  filers  pursuant to Item 405
of Regulation  S-K is not contained  herein,  and will not be contained,  to the
best of registrant's  knowledge,  in definitive proxy or information  statements
incorporated by reference in part III of this Form 10-K or any amendment to this
Form 10-K. [ ]

The   approximate   aggregate   market   value  of  the  voting  stock  held  by
non-affiliates  of the  registrant  was $16.7  million as of March 1, 1997.  For
purposes of determining this number,  1.8 million shares of common stock held by
affiliates are excluded.

As of March 1,  1997,  the  registrant  had  39,991,626  shares of Common  Stock
outstanding.

                       Documents Incorporated by Reference

   
Designated  portions of Registrant's  Definitive Proxy Statement to be furnished
for the  Annual  Meeting  of the  Stockholders  to be held on April 4,  1997 are
incorporated by reference in Part III of this Form 10-K/A.
    


<PAGE>

                                     Part I

Item 1.   Business

Overview

         Genta Incorporated  ("Genta" or the "Company"),  incorporated under the
laws  of  the  State  of  Delaware   on   February  4,  1988,   is  an  emerging
biopharmaceutical   company   engaged  in  the  development  of  a  pipeline  of
pharmaceutical  products.  Genta's multi-faceted approach incorporates a product
development  portfolio  with  balanced  technical  risk,  a novel drug  delivery
technology  and a United  States/European  business  base.  The near to mid-term
segment of the product pipeline consists of oral controlled-release  drugs being
developed by the Company's 50%-owned drug delivery joint venture with Jagotec AG
("Jagotec"),  Genta Jago  Technologies  B.V.  ("Genta  Jago").  Using  Jagotec's
patented  GEOMATRIX(R)  drug delivery  technology  ("GEOMATRIX"),  Genta Jago is
employing a two-pronged  commercialization  strategy: the development of generic
versions of successful brand-name  controlled-release  drugs and the development
of controlled-release formulations of drugs currently marketed in only immediate
release form.  The  Company's  longer-term  research  efforts are focused on the
development   of   proprietary   Anticode(TM)    oligonucleotide    ("Anticode")
pharmaceuticals  intended to block or regulate the production of disease-related
proteins at the genetic  level.  The  Company's  Anticode  programs  are focused
primarily in the area of cancer.  In late 1995, a phase I/IIa clinical trial was
initiated  in the United  Kingdom  using  Genta's  Anticode  drug  ("G3139")  in
non-Hodgkin's  lymphoma  patients  for whom prior  therapies  have  failed.  The
clinical trial is being  conducted in  collaboration  with the Royal Marsden NHS
Trust and the Institute for Cancer  Research.  In late 1996, an  Investigational
New Drug  application  ("IND") for the G3139  clinical  program was filed in the
United  States  and  allowed  to  proceed  by the  United  States  Food and Drug
Administration  ("FDA").  The Company also  manufactures  and markets  specialty
biochemicals  and   intermediate   products  to  the  in  vitro  diagnostic  and
pharmaceutical industries through its manufacturing subsidiary,  JBL Scientific,
Inc.  ("JBL"),  a  California  corporation  acquired by the Company in February,
1991.

         The  statements  contained in this Annual  Report on Form 10-K that are
not historical are forward-looking  statements within the meaning of Section 27A
of the  Securities  Act of 1933, as amended,  and Section 21E of the  Securities
Exchange  Act  of  1934,  as  amended,   including   statements   regarding  the
expectations,  beliefs,  intentions  or  strategies  regarding  the future.  The
Company intends that all forward-looking statements be subject to the safeharbor
provisions  of the  Private  Securities  Litigation  Reform  Act of 1995.  These
forward-looking  statements  reflect the Company's views as of the date they are
made with respect to future events and financial performance, but are subject to
many  risks and  uncertainties,  which  could  cause the  actual  results of the
Company to differ  materially  from any future  results  expressed or implied by
such  forward-looking  statements.  Examples  of such  risks  and  uncertainties
include,  but are not limited  to: the  obtaining  of  sufficient  financing  to
maintain the Company's planned operations;  the timely  development,  receipt of
necessary  regulatory  approvals and acceptance of new products;  the successful
application of the Company's  technology to produce new products;  the obtaining
of proprietary  protection for any such  technology and products;  the impact of
competitive  products and pricing and  reimbursement  policies;  the changing of
market  conditions and the other risks  detailed in the Risk Factors  section of
this Annual  Report on Form 10-K and  elsewhere  herein.  The  Company  does not
undertake to update any forward-looking statements.

         See "Risk Factors" for a discussion of certain risks and  uncertainties
applicable to the Company and its stockholders, including the Company's need for
additional  funds to sustain its operations in 1997 and  thereafter,  as well as
the threat of a delisting of the Company's common stock from the Nasdaq SmallCap
Market.


                                        2

<PAGE>

Oral Controlled-Release Drugs

         Formulations  of drugs using the GEOMATRIX  technology  are designed to
swell and gel when exposed to gastrointestinal fluids. This swelling and gelling
is designed to allow the active drug  component  to diffuse from the tablet into
the  gastrointestinal  fluids,  gradually  over a period of up to 24 hours.  The
Company  believes that the GEOMATRIX  technology may have other benefits  which,
collectively, may distinguish it from competing controlled-release technologies.
The  Company  believes  GEOMATRIX  formulations  can  control  drug  release and
potentially  modulate  pharmacokinetic  profiles to produce a variety of desired
clinical effects. For example, the GEOMATRIX technology may be used to formulate
tablets  with a rapid or a delayed  therapeutic  effect by varying  the  release
characteristics of the drug from the tablet.  The GEOMATRIX  technology may also
be used to  formulate  tablets  that  release two drugs at the same or different
rates, or tablets that release a drug in several pulses after administration.

         Genta Jago is using the GEOMATRIX  drug delivery  technology to develop
oral  controlled-release  formulations  for a broad range of presently  marketed
drugs which have lost, or will in the near to mid-term lose,  patent  protection
and/or  marketing  exclusivity.  Certain of these  presently  marketed drugs are
already  available  in  a  controlled-release  format,  while  others  are  only
available in an immediate  release  format that  requires  dosing  several times
daily. In the case of drugs already  available in a  controlled-release  format,
Genta  Jago  is  seeking  to  develop  bioequivalent  products  which  would  be
therapeutic  substitutes  for the  branded  products.  In the case of  currently
marketed  products that are only  available in immediate  release form requiring
multiple  daily  dosing,  Genta Jago is seeking to develop  once or  twice-daily
controlled-release  formulations.  The  potential  benefits of Genta Jago's oral
controlled-release   formulations  may  include  improved  compliance,   greater
efficacy  and reduced side  effects as a result of a more  constant  drug plasma
concentration  than that  associated with immediate  release drugs  administered
several times daily.

         Genta   Jago's   strategy   is   to    commercialize    its   GEOMATRIX
controlled-release  products worldwide primarily by forming alliances with major
pharmaceutical companies.  Genta Jago has established three such collaborations.
See "Business -- Collaborative and Licensing Agreements" below.

         Genta  Jago   currently  has  eight   products  in  various  stages  of
development  that  are  intended  to  be   bioequivalent   generic  versions  of
brand-name, controlled-release drugs currently marketed by others. Four of these
products,     nifedipine    (Procardia    XL(R)),    ketoprofen    (Oruvail(R)),
carbidopa/levodopa  (Sinemet(R)CR),  and naproxen  (Naprelan(R))  are  currently
undergoing  manufacturing scale-up after completion of formulations  development
and pilot human pharmacokinetic studies. During the manufacturing scale-up phase
of development, Genta Jago and its collaborators are seeking to proceed from the
production of small-scale  research quantities to the production of larger-scale
quantities  necessary for commercial scale  manufacturing.  The scale-up has not
yet  been  successfully  completed  for  these  products.   Assuming  successful
completion  of  manufacturing  scale-up,   pivotal  bioequivalency  studies  are
scheduled to begin for these products in 1997.  Genta Jago believes that if such
bioequivalency  studies  are  successfully   completed,   Abbreviated  New  Drug
Applications  (each an "ANDA") may be filed with the FDA for two of its products
in  1997.  In  addition,   potentially   bioequivalent  versions  of  two  other
products--Voltaren-XR(R)   (diclofenac)   and   Covera-HS(R)   (verapamil)--have
completed formulations development and pilot pharmacokinetic studies. Genta Jago
intends to proceed  with  manufacturing  scale-up on these two  products  during
1997.

         Genta Jago has also  completed  initial  formulations  development  and
pilot   human   pharmacokinetic   studies   for   GEOMATRIX   controlled-release
formulations of cefaclor (Ceclor CD(R)) and metoprolol tartrate and formulations
development is ongoing for additional products including acyclovir (Zovirax(R)).
Genta Jago  continues to seek  collaborative  agreements  for these  products in
order to finance the  manufacturing  scale-up  and  required  bioequivalency  or
clinical studies. In addition to these products currently in development,  Genta
Jago maintains the rights to apply the GEOMATRIX  technology to the  development
of up to approximately 50 additional  drugs.  There can be no assurance that any
product  will be  successfully  developed  or receive the  necessary  regulatory
approvals.


                                        3

<PAGE>



Anticode Programs

         Anticode   oligonucleotides   represent  a  modern   approach  to  drug
development  based upon genetic  control of disease.  Many human diseases have a
genetic  origins that involve either the expression of a harmful foreign gene or
the  aberrant   expression  of  a  normal  or  mutated   human  gene.   Anticode
oligonucleotides  are short strands of synthetic  nucleic acids designed to bind
to ("hybridize" with) specific sequences of disease-related  RNA or DNA, thereby
blocking or  controlling  production of  disease-related  proteins.  The Company
believes  that,  because  of  their  selective  binding   properties,   Anticode
oligonucleotides  will not  interfere  with the  function of normal  cells,  and
therefore,  will elicit significantly fewer side effects than traditional drugs.
Anticode  drugs may attack a disease at one of two  levels.  One  approach is to
prevent the synthesis of essential  disease-related  proteins. In this approach,
certain oligonucleotides are used to interrupt the processing of, or selectively
to  destroy,  individual  messenger  RNA (mRNA)  sequences,  which  leads to the
down-regulation   (lowering   of  levels)  of  specific   proteins  and  thereby
effectively  eliminates  the  disease.  This is referred  to as the  "antisense"
mechanism  of  action.   A  second   therapeutic   opportunity   is  to  prevent
transcription  of  disease-causing  DNA into the mRNA copy of the gene.  This is
referred to as the "triple-strand to DNA" mechanism of activity.

         Genta has  focused  its  Anticode  research  on  oligonucleotides  with
methylphosphonate  and phosphorothioate  backbones.  The Company has exclusively
licensed  patents  from Dr. Paul O. P. Ts'o,  Dr. Paul Miller and Johns  Hopkins
University ("Johns Hopkins") covering methylphosphonate  technology.  Genta also
has obtained certain rights to phosphorothioate  oligonucleotide  constructions.
Genta's   scientists   have   improved   these   technologies   by   introducing
chirally-enriched  or chirally-pure  oligonucleotides.  In preclinical  studies,
these improved oligonucleotides effectively turn off the action of targeted mRNA
sequences inside cells. Intravenous  administration of these oligonucleotides to
certain  animals   demonstrates  that  these  compounds  remain  stable  in  the
circulatory  system  and  are  eventually  excreted  intact  in the  urine.  New
proprietary delivery systems have also been developed to increase  intracellular
concentration  of  oligonucleotides  and to lower the drug dosage for  potential
therapeutics. Management believes that the Company has the ability to acquire or
produce quantities of  oligonucleotides  sufficient to support its present needs
for research and its projected needs for initial clinical development programs.

         The Company's  Anticode research and development  efforts are currently
focused  primarily  on  its  cancer,   program  as  described  below.  Extensive
additional  development will be required, and there can be no assurance that any
product will be successfully  developed or will receive the necessary regulatory
approvals.

BCL2 Gene Target

         The BCL2 gene is a  proto-oncogene  and a major  inhibitor of apoptosis
(programmed  cell death) of cancerous  cells.  The protein produced by this gene
has two known critical  functions in the progression of cancer:  it makes cancer
cells  immortal,  creating a survival  advantage of malignant over normal cells;
and confers resistance to radiation and chemotherapy, rendering those treatments
ineffective  in the late stages of many types of cancer.  Genta's lead anti-BCL2
molecule,  G3139,  is  designed to  inactivate  the RNA that  produces  the BCL2
protein product,  thereby preventing  cellular  production of the protein.  High
levels of BCL2 are associated with a poor clinical prognosis in many solid tumor
and hematological malignancies such as lymphoma,  leukemia,  melanoma,  multiple
myeloma and prostate and breast cancers.  The Company believes that its Anticode
strategy  against the BCL2 gene has the  potential  to  represent a  significant
therapeutic opportunity in many of these cancers.

         In  preclinical  studies  conducted  by  Dr.  Finbarr  Cotter,  at  the
Institute for Child Health in London, an anti- BCL2 oligonucleotide was shown to
cure  lymphoma-like  disease  induced by the injection of human B-cell  lymphoma
cells in  immunodeficient  mice.  In  addition,  in a  variety  of other  animal
studies, anti-BCL2 Anticode oligonucleotides were found to inhibit the growth of
human melanoma,  colon and human breast cancer tumors in  immunodeficient  mice.
G3139 has demonstrated efficacy when administered as a single agent.

         In July 1996, the National Cancer Institute  ("NCI") agreed to fund and
conduct  preclinical  studies of G3139.  Pending  the  outcome of these  ongoing
preclinical  studies,  NCI intends to sponsor  Phase I human  trials  evaluating
G3139 against a number of solid tumor malignancies. The Company will collaborate
with NCI on the  design of such  clinical  studies  and the  selection  of tumor
targets. The primary goal of the trials will be to determine

                                        4

<PAGE>



the maximum tolerated dose of G3139, although any preliminary antitumor activity
will also be assessed.  Tumors under  consideration  for clinical  study include
malignant melanoma, breast, prostate and colorectal cancers. NCI would cover the
costs  of  running  both  preclinical  and  clinical  studies.  Genta  would  be
responsible  for supplying NCI with  necessary  quantities of G3139 to carry out
this work.

         In late 1995, a Phase I/IIa  clinical trial was initiated in the United
Kingdom  using  Genta's   anti-BCL2   Anticode   oligonucleotides,   G3139,   in
non-Hodgkin's  lymphoma  patients  for whom prior  therapies  have  failed.  The
clinical trial is being  conducted in  collaboration  with the Royal Marsden NHS
Trust and the  Institute  for Cancer  Research  under the direction of Dr. David
Cunningham. The principal aim of this Phase I/IIa study is to define the maximum
tolerated dose of G3139.  Secondary  objectives include  measurement of clinical
and biochemical disease  parameters.  To date, G3139 has been administered to 14
patients  with  relapsed  and poor  prognosis  disease.  Other than usually mild
topical  skin  irritation  in  most  of  the  patients,   no  serious,   clearly
drug-attributable  or dose-limiting  adverse effects have been seen, so far. The
doses have been  escalated  six times,  and  escalations  continue.  Some of the
patients have  demonstrated  encouraging  signs of potential drug activity.  The
responses  included  one  patient in whom  cancer  mass was  reduced and one who
developed a complete  radiological tumor response for over 38 weeks in duration.
These  results  have been  considered  very  encouraging  by  several  prominent
oncologists  and  accepted for journal  publications  and  presentation  at peer
meetings, including that of the American Society of Clinical Oncologists.

         Late in 1996,  Genta's  IND was filed in the United  States and the FDA
has  allowed the program to proceed.  Genta is working  with  several  prominent
United States and European  clinical experts to devise the appropriate  clinical
strategy for subsequent  trials.  Planning includes  continuation of Phase I/IIa
clinical trials in  non-Hodgkin's  lymphoma,  initiation of studies in different
BCL2 positive solid tumors, including those in the prostate, reported to express
BCL2 in the vast  majority of  patients.  These  studies  will also examine both
subcutaneous  and  intravenous  administration.  Extensive  additional  clinical
studies are required, and there can be no assurance that the Company will secure
the funding  necessary to conduct this  development  or that any product will be
successfully developed or receive the necessary regulatory approvals.

         In September  1996, the Company  received a notice of an allowance from
the United  States  Patent and  Trademark  Office  for  patent  claims  covering
antisense compounds targeted against BCL2. Those claims covering compositions of
matter give Genta  exclusive  rights to target  sequences of the BCL2 gene.  The
patent claims cover the Company's  proprietary  Anticode  molecules which target
BCL2,  including its lead clinical  candidate,  G3139. Other related patents and
claims in the United States and Europe are still pending.

Focal Adhesion Kinase (FAK) Gene Target

         FAK protein is involved in the regulation of adhesion-dependent  growth
and  motility  of  cells.  In a  variety  of  cancers  -  human  epithelial  and
mesenchymal tumors, such as those implicated in melanoma,  lymphoma and multiple
myeloma - the  manufacture of FAK protein ("FAK  expression")  is highly active.
Moreover,  increased FAK expression  correlates with increased  invasiveness and
increased  ability of cancer to metastasize  (spread of cancer through body). In
collaborative  preclinical  experiments  with  Dr.  William  G.  Cance,  at  the
University of North Carolina, Genta's Anticode oligonucleotides against FAK were
shown to  inhibit  the  growth  of a primary  (the  site at which the  cancer is
believed to have begun) tumor and to  virtually  eliminate  metastases  in human
melanoma/immunocompromised  mice xenograft models. Combined with the observation
that anti-FAK oligonucleotides appear to show few adverse effects against normal
tissues,  such results  indicate  that the FAK target may  represent a promising
therapeutic  opportunity  for both the  treatment  of  primary  disease  and the
prevention of metastatic disease.

         In an effort to focus its  research  and  development  efforts on areas
which  provide  the  most  significant  commercial  opportunities,  the  Company
continually  evaluates  its  ongoing  programs  in  light of the  latest  market
information and conditions,  availability of third party funding,  technological
advances,  and other  factors.  As a result of such  evaluation,  the  Company's
product  development  plans  have  changed  from time to time,  and the  Company
anticipates that they will continue to do so in the future. The Company recorded
research  and  development  expenses of $5.8  million,  $11.3  million and $13.5
million during 1996, 1995, and 1994, respectively, of which zero,

                                        5

<PAGE>



approximately $1.1 million and $3.1 million, respectively,  were funded pursuant
to collaborative research and development agreements.

          In  1996,   the  Company   terminated   those   employees   conducting
pre-clinical research on the Company's antisense projects.

Topical Dermatology Products

         During  1996,  the Company  sold its rights  relating  to research  and
development  activities  regarding two licensed topical dermatology products for
approximately $373,000. The Company does not presently intend to conduct further
activities in this area.

Manufacturing

         In 1996,  Genta  continued to advance its  technology  for  large-scale
production of its Anticode oligonucleotides and has also developed a high degree
of self-sufficiency for large-scale  production of synthon raw materials for its
Anticode  oligonucleotides.  The  Company  also  filed a  series  of key  patent
applications in 1996 covering the improved  synthesis of dimers essential to the
manufacture of its Anticode molecules.

         Genta obtained its manufacturing capabilities in early 1991 through the
acquisition of JBL. JBL is a manufacturer of high-quality specialty biochemicals
and  intermediate  products  for  the  pharmaceutical  and in  vitro  diagnostic
industries.  A number of Fortune  500  companies  utilize  JBL  products  as raw
material in the production of a final product.  The manufacturing  facilities at
JBL have not been formally inspected by the FDA for compliance with requirements
for Good Manufacturing  Practices ("GMP").  The Company is continuing to develop
procedures,   documentation  and  facilities  for  the  production  of  Anticode
oligonucleotides which it believes will adequately comply with the necessary GMP
requirements.  Failure to establish  compliance with GMP to the  satisfaction of
the FDA can result in delays in, or prohibition from, initiating clinical trials
or commercial marketing of a product.

         The  manufacture of all of the Company's and Genta Jago's products will
be  subject  to GMP  requirements  prescribed  by the  FDA  or  other  standards
prescribed by the appropriate regulatory agency in the country of use. There can
be no  assurance  that the  Company  or Genta  Jago will be able to  manufacture
products or have products manufactured for either of them in a timely fashion at
acceptable quality and prices, that they or third party manufacturers can comply
with GMP, or that they or third party  manufacturers will be able to manufacture
an adequate supply of product.

Genta Europe

         Genta  Europe  has  received  $1.1  million  of  funding  from a French
governmental   agency,   L'Agence  National  de  Valorisation  de  la  Recherche
("ANVAR"),   towards  research  and  development  activities.  Genta  Europe  is
currently in default under the agreement with ANVAR,  and ANVAR has the right to
demand repayment of such funds.  However,  management  believes that this matter
will be resolved in a mutually satisfactory manner.

Sales and Marketing

         Genta Jago has secured collaborative agreements with three entities for
the   development   and   commercialization   of   selected   controlled-release
pharmaceuticals.  Genta Jago's  collaborative  agreements  generally provide the
collaborative  partner exclusive rights to market and distribute the products in
exchange for royalty payments to Genta Jago on product sales.  Genta Jago's goal
is to form  additional  collaborations  to  develop  and  market a number of its
GEOMATRIX  controlled-release  products,  while  potentially  selecting  certain
products  to develop and  commercialize  on its own.  Genta Jago would  consider
several  options  for  commercializing  these  potential  products in the United
States including building a small sales force or contracting for the services of
an existing  sales force.  To market  these  potential  products  outside of the
United States,  Genta Jago believes it would best utilize its resources  through
licensing  arrangements.  There  can be no  assurance  that any  such  potential
product will be successfully developed or that any prospective collaborations or
licensing arrangements will be entered into.

                                        6

<PAGE>




         JBL  manufactures and markets  specialty  biochemicals and intermediate
products to over 100 purchasers in the pharmaceutical and diagnostic industries,
with the top 10 customers representing more than 80% of JBL's total sales.

Collaborative and Licensing Agreements

Genta Jago

         In  December  1992,  the  Company and  Jagotec  formed  Genta  Jago,  a
Netherlands corporation,  to develop and commercialize therapeutic products on a
worldwide  basis.  The Company and Jagotec each own 50% of Genta Jago. Under the
arrangement,  Jagotec  granted Genta Jago an exclusive  license to its GEOMATRIX
oral  controlledrelease  technology for the development and commercialization of
approximately 25 specified products (the "Initial  Products").  In May 1995, the
parties  entered  into an agreement to expand Genta Jago by adding the rights to
develop and commercialize an additional 35 products (the "Additional Products").
With these Additional  Products,  Genta Jago now maintains the rights to develop
controlled-release  formulations  of  approximately  60 products using Jagotec's
GEOMATRIX  technology.  Under the  agreement,  Genta Jago also acquired  certain
manufacturing  rights with  respect to such  products.  In  connection  with the
expansion of Genta Jago,  the parties  elected to focus Genta Jago's  activities
exclusively on GEOMATRIX  oral-controlled  release products.  As a result, Genta
Jago returned to Genta, in May 1995, the right to develop six Anticode  products
licensed from Genta in connection with the formation of Genta Jago in 1992.

         In  connection  with the  formation of Genta Jago,  the Company made an
initial capital contribution of $4 million to Genta Jago and issued an aggregate
of 1.2 million  unregistered  shares of Genta's  common  stock to Jagotec and an
affiliate. To obtain the rights to the Additional Products and the manufacturing
rights in May 1995,  Genta applied $5 million in option and related fees paid to
Jagotec  and its  affiliates,  of  which  $3.85  million  was paid  during  1994
(including $1.85 million of non-refundable  fees charged to expense during 1994)
and $1.15 million was paid in the first quarter of 1995. The Company also issued
an additional  1.24 million  unregistered  shares of Genta's  common stock to an
affiliate  of  Jagotec  in May  1995.  Genta  Jago is  required  to pay  certain
additional  fees to Jagotec  upon Genta  Jago's  receipt of revenues  from third
parties, and to pay manufacturing royalties to Jagotec.

         The Company is also required to provide loans to Genta Jago pursuant to
a working  capital  agreement  which  expires  in  October  1998.  The loans are
advanced  up to a  mutually  agreed  upon  maximum  commitment  amount  which is
established  by  the  parties  on a  periodic  basis.  The  Company  anticipates
contributing working capital loans of up to approximately $300,000 to Genta Jago
during 1997.  In  connection  with Genta Jago's  return of the Anticode  license
rights to Genta in May 1995,  the working  capital loan payable by Genta Jago to
Genta was credited with a principal  reduction of approximately $4.4 million. As
of December  31,  1996,  the  Company  had  advanced  working  capital  loans of
approximately  $15.3 million to Genta Jago, net of principal  repayments and the
aforementioned   credit,  which  amount  fully  satisfied  the  loan  commitment
established by the parties  through  December 31, 1996. Such loans bear interest
and are  payable  in full in  October  1998,  or  earlier  in the event  certain
revenues  are  received  by Genta  Jago  from  third  parties.  There  can be no
assurance,  however,  that Genta Jago will obtain sufficient financial resources
to repay such loans to Genta.  Genta Jago repaid Genta $1 million of its working
capital loans, in November 1996, from license fee revenues.

         Genta has the  option to  purchase  Jagotec's  interest  in Genta  Jago
during the period beginning in December 1998 through the year 2000. The exercise
price with  respect to the  Initial  Products  is the lesser of the fair  market
value at the time of exercise of the 50% interest in the Initial  Products owned
by Jagotec,  or $100  million,  in each case  reduced by the market value at the
time of  exercise  of the  purchase  option of the 1.2  million  shares of Genta
common stock issued to Jagotec and an affiliate in 1992. The exercise price with
respect  to the  Additional  Products  is the fair  market  value at the time of
exercise of the 50% interest in the Additional  Products  owned by Jagotec.  The
Company  also has an  exclusive  worldwide  license to use  Jagotec's  GEOMATRIX
technology in Genta's Anticode development  programs.  Genta Jago has contracted
with Genta and Jagotec to conduct  research and  development and provide certain
other services.



                                        7

<PAGE>



Genta Jago/Gensia/Brightstone

         In January 1993, Genta Jago entered into a collaboration agreement with
Gensia,  Inc.  ("Gensia")  for  the  development  and   commercialization  of  a
potentially   bioequivalent   nifedipine  product,  an  oral  controlled-release
pharmaceutical  product  for  treatment  of  cardiovascular  disease.  Under the
agreement,  Gensia  was to  provide  funding  for  formulation  and  preclinical
development  to be  conducted by Genta Jago and to be  responsible  for clinical
development,  regulatory  submissions  and  marketing.  Terms  of the  agreement
provided Gensia  exclusive rights to market and distribute the products in North
America,  Europe and certain other countries.  Genta Jago received $2.2 million,
$1.9 million and $4.9 million of research and development  funding in 1996, 1995
and 1994,  respectively,  pursuant to the agreement.  Collaborative  revenues of
$2.8 million,  $3 million and $4.2 million were  recognized  under the agreement
during the years ended December 31, 1996, 1995 and 1994, respectively.

         Effective  October  1996,  Gensia  and  SkyePharma  PLC  ("SkyePharma")
reached an agreement whereby a SkyePharma  subsidiary,  Brightstone Pharma, Inc.
("Brightstone"),  was  assigned  Gensia's  rights to develop and  copromote  the
potentially  bioequivalent  nifedipine product under the collaboration agreement
with Genta Jago.  The assignment was accepted by Genta Jago and has no impact on
the terms of the  original  agreement.  Genta Jago is still  entitled to receive
additional  milestone  payments  from  Brightstone   triggered  upon  regulatory
submissions  and approvals,  as well as royalties or profit sharing ranging from
10% to 21% of product sales, if any.

        Genta's  Chairman  and Chief  Executive  Officer is a member of Gensia's
Scientific Advisory Board.

Genta Jago/Apothecon

         In March 1996,  Genta Jago entered into a  collaborative  licensing and
development  agreement  with  Apothecon,  Inc.  ("Apothecon"),  the  multisource
subsidiary  of  Bristol-Myers  Squibb  Co.  Under  the  terms of the  agreement,
Apothecon  provides  funding to Genta Jago up to a specified  maximum amount for
the formulation,  development and clinical testing of a GEOMATRIX formulation of
OD-CR  ketoprofen,  subject to certain early termination  rights.  The agreement
also  provides  for Genta  Jago to  receive  potential  milestone  payments  and
royalties on product  sales,  if any. Terms of the agreement  provide  Apothecon
exclusive  rights to market and  distribute  the products on a worldwide  basis.
During 1996,  Genta Jago received $1.1 million in funding under the  arrangement
and recognized $1.3 million of collaborative revenue from the arrangement.

Genta Jago/Krypton

         In October 1996, Genta Jago entered into five  collaborative  licensing
and  development  agreements  with Krypton,  Ltd.  ("Krypton"),  a subsidiary of
SkyePharma.  Under the terms of the  agreements,  Genta Jago is to sublicense to
Krypton rights to develop and commercialize  potentially bioequivalent GEOMATRIX
versions of five currently marketed products. Genta Jago also granted Krypton an
option to sublicense  rights to develop and commercialize an improved version of
a sixth product.  During 1996,  Genta Jago received  funding of $1 million under
the collaborative  agreements and recognized $1 million of collaborative revenue
from the agreements.


                                        8

<PAGE>



Chugai/Gen-Probe

         In February 1989, the Company  entered into a development,  license and
supply  agreement  with  Gen-Probe  Incorporated  ("Gen-Probe").  Gen-Probe  was
subsequently  acquired by Chugai  Pharmaceutical  Company,  Ltd.  ("Chugai"),  a
Japanese  corporation.  Chugai has the option to acquire an exclusive  worldwide
license  to any  product  consisting  of,  including,  derived  from or based on
oligonucleotides   for  the  treatment  or  prevention  of  Epstein-Barr  virus,
cytomegalovirus,  HIV,  human  T-cell  leukemia  virus-1 and all  leukemias  and
lymphomas.  Genta is  obligated  to  pursue  the  development  of a  therapeutic
compound for the treatment of one of these  indications as its first therapeutic
development  program.  If Chugai  exercises  its option to  acquire  rights to a
product in any such indication,  the Company will grant Chugai certain rights to
sell such product and Chugai must fund Genta's  development of any such product,
subject to certain  limitations and early  termination  rights.  If Chugai fully
funds the development of such product,  profits on sales of such product will be
shared between the parties. Through the agreement, the Company also has obtained
certain  rights  to  phosphorothioate  oligonucleotide  constructions  and other
technology.  In return,  the Company has agreed to pay Chugai a royalty on sales
of products  derived from such  technology.  Gen-Probe is a  stockholder  in the
Company.

Ts'o/Miller/Hopkins

         In February  1989,  the Company  entered into a license  agreement with
Drs. Paul Ts'o and Paul Miller (the "Ts'o/Miller  Agreement")  pursuant to which
Drs.  Ts'o and Miller  granted an  exclusive  license to the  Company to certain
issued patents,  patent applications and related technology regarding the use of
nucleic   acids   and   oligonucleotides,   including   methylphosphonates,   as
pharmaceutical  agents.  Dr. Ts'o is a Professor of  Biophysics,  Department  of
Biochemistry, and Dr. Miller a Professor of Biochemistry,  both at the School of
Public Health and Hygiene,  Johns Hopkins  University.  In May 1990, the Company
entered  into a  license  agreement  with  Johns  Hopkins  (the  "Johns  Hopkins
Agreement," and collectively with the Ts'o/Miller Agreement,  referred to herein
as the "Ts'o/Miller/Hopkins Agreements") pursuant to which Johns Hopkins granted
Genta an  exclusive  license  to its rights in certain  issued  patents,  patent
applications and related technology  developed as a result of research conducted
at Johns Hopkins by Drs. Ts'o and Miller and related to the use of nucleic acids
and  oligonucleotides as pharmaceutical  agents. In addition,  Johns Hopkins has
granted Genta certain  rights of first  negotiation  to inventions  made by Drs.
Ts'o and Miller in their  laboratories  in the area of  oligonucleotides  and to
inventions  made by  investigators  at Johns  Hopkins in the course of  research
funded  by  Genta,   which   inventions  are  not  otherwise   included  in  the
Ts'o/Miller/Hopkins Agreements. Genta has agreed to pay Dr. Ts'o, Dr. Miller and
Johns Hopkins  royalties on net sales of products  covered by the issued patents
and patent applications, but not the related technology, licensed to the Company
under the  Ts'o/Miller/Hopkins  Agreements.  The  Company has also agreed to pay
certain minimum  royalties  prior to  commencement  of commercial  sales of such
products,  which  royalties  may be credited  under certain  conditions  against
royalties  payable on  subsequent  sales.  Subject  to  certain  rights of early
termination, the Ts'o/Miller/Hopkins Agreements remain in effect for the life of
the  last-to-expire  patent  licensed under the  respective  agreements or until
abandonment of the last-pending patent application licensed under the respective
agreements.

         As of December 31, 1996,  the Company owed Johns Hopkins  $627,271,  of
which  $200,000  consists of royalty  payments for 1995 and 1996 and the balance
consisted  of  the  Company's   obligations   to  provide  funds  to  support  a
post-doctoral  research program of Johns Hopkins.  In February 1997, the Company
paid Johns  Hopkins  $100,000  toward the  post-doctoral  support  program.  The
Company is in  negotiations  with Johns  Hopkins as to payment of the  remaining
balance in cash and  securities.  On February  14,  1997,  the Company  received
notice from Johns  Hopkins that the Company was in material  breach of the Johns
Hopkins  Agreement.  The Johns Hopkins  Agreement  provides  that, if a material
payment default is not cured within 90 days of receipt of notice of such breach,
Johns Hopkins may terminate the Johns Hopkins  Agreement.  A termination  of the
Johns Hopkins agreement could have a material adverse effect on the Company.


                                        9

<PAGE>



Other Anticode Agreements

         The Company entered into agreements with Baxter Healthcare  Corporation
and  Johnson & Johnson  Consumer  Products,  Inc.  in late 1995,  which  provide
limited  funding for  preliminary  feasibility  studies using  Genta's  Anticode
compounds.  Under the terms of these agreements,  if the  collaborative  partner
elects to  pursue  the  commercial  development  of an  Anticode  compound  upon
completion  of the  feasibility  studies,  the parties would enter into mutually
acceptable development, license and supply agreements.

Patents and Proprietary Technology

         The  Company's  policy is to protect  its  technology  by,  among other
things,  filing  patent  applications  with  respect  to  technology  considered
important to the development of its business. The Company also relies upon trade
secrets,  unpatented  know-how,  continuing  technological  innovation  and  the
pursuit of  licensing  opportunities  to develop and  maintain  its  competitive
position.

         Genta has a portfolio  of  intellectual  property  rights to aspects of
Anticode  technology  which  includes  rights in novel  compositions  of matter,
methods of  large-scale  synthesis and methods of controlling  gene  expression.
This  portfolio  includes  issued United States and Canadian  patents and patent
applications,  which  were  licensed  by  Genta  under  the  Ts'o/Miller/Hopkins
Agreements as described above, and patent  applications filed by the Company. In
addition,  foreign  counterparts of certain applications have been filed or will
be filed at the  appropriate  time.  These issued  patents  will expire,  absent
regulatory extension, in the years 2001 through 2005. Additional allowed patents
under this agreement generally would not expire until 17 years after the date of
allowance or, in other cases, 20 years from the date of application.  Generally,
it is the  Company's  strategy  to apply for  patent  protection  in the  United
States,  Canada,  Western  Europe,  Israel,  Taiwan,  Japan,  Australia  and New
Zealand. The Company seeks to coordinate its patent protection policy with those
of its licensors; however, of the six issued patents licensed by Genta under the
Ts'o/Miller/Hopkins  Agreements,  five were filed only in the United  States and
one was filed in both the  United  States and  Canada.  Genta also has rights of
first refusal for future  antisense work performed by Drs. Ts'o and Miller.  See
"Collaborative and Licensing Agreements -- Ts'o/Miller/Hopkins."

         Since its  incorporation,  Genta has  separately  filed an aggregate of
over 100 United States and foreign patent applications covering new compositions
and improved methods to use, synthesize and purify Anticode oligonucleotides and
linker-arm technology.

         Under the agreement with Gen-Probe,  Genta gained  non-exclusive access
to all  technology  developed by Gen-Probe  related to the use of DNA probes for
therapeutic  applications  as of February  1989.  This  technology is related to
nucleic acid probes for quantitation of organisms and viruses, methods for their
production,    including   nonnucleotide   linking   reagents,   labeling,   and
purification,  and methods for their use  including  hybridization  and enhanced
hybridization.  This includes  rights to 14 issued  patents and several  pending
United  States  patent   applications  and  corresponding   issued  and  pending
applications in foreign countries.  See "Collaborative and Licensing  Agreements
- - - -- Chugai/Gen-Probe".

         Genta also gained access to certain rights from the National Institutes
of Health  ("NIH")  covering  phosphorothioate  oligonucleotides.  This includes
rights to three United States issued  patents,  one granted  European patent and
other corresponding  foreign  applications which are still pending. In addition,
under an  agreement  with the  University  of  Pennsylvania,  Genta has acquired
exclusive  rights  for the  use of  BCL2 as a  target  for  antisense  and  gene
therapy-based treatments for cancer.

         In September  1996, the Company  received a notice of an allowance from
the United  States  Patent and  Trademark  Office  for  patent  claims  covering
antisense  compounds targeted against BCL2 based on the technology acquired from
the University of  Pennsylvania.  Those claims  covering  compositions of matter
give Genta  exclusive  rights to target  sequences of the BCL2 gene.  The patent
claims cover the Company's  proprietary  Anticode  molecules  which target BCL2,
including its lead clinical  candidate,  G3139. Other related patents and claims
in the United States and Europe are still pending.


                                       10

<PAGE>



         Jagotec's  GEOMATRIX  technology  is the subject of issued  patents and
pending applications. Jagotec currently holds four issued United States patents,
five  granted  foreign   patents,   and  other   corresponding   foreign  patent
applications still pending that cover the GEOMATRIX  technology.  Certain rights
to GEOMATRIX technology have been licensed to Genta Jago. See "Collaborative and
Licensing Agreements -- Genta Jago".

         The patent  positions of  biopharmaceutical  and  biotechnology  firms,
including  Genta,  can be  uncertain  and  involve  complex  legal  and  factual
questions.  Consequently,  even though Genta is currently prosecuting its patent
applications with the United States and foreign patent offices, the Company does
not know  whether any of its  applications  will  result in the  issuance of any
patents  or,  if  any  issued  patents  will  provide  significant   proprietary
protection or will be circumvented or invalidated.  Since patent applications in
the United  States are  maintained in secrecy  until  patents  issue,  and since
publication of discoveries  in the scientific or patent  literature  tend to lag
behind actual discoveries by several months, Genta cannot be certain that others
have not filed patent applications directed to inventions covered by its pending
patent  applications  or that it was the first to file patent  applications  for
such inventions.

         Competitors or potential  competitors may have filed  applications for,
or have  received  patents and may obtain  additional  patents  and  proprietary
rights  relating  to,  compounds  or  processes  competitive  with  those of the
Company.  See  "Competition."  Accordingly,  there can be no assurance  that the
Company's patent  applications will result in issued patents or that, if issued,
the patents will afford protection against  competitors with similar technology;
nor can there be any  assurance  that any  patents  issued to Genta  will not be
infringed or circumvented by others;  nor can there be any assurance that others
will not obtain patents that the Company would need to license or design around.
There can be no assurance that the Company will be able successfully to obtain a
license to technology that it may require or that, if obtainable, such a license
would be available on reasonable terms.

         There can be no assurance that the Company's patents, if issued,  would
be held valid by a court of competent  jurisdiction.  Moreover,  the Company may
become involved in interference proceedings declared by the United States Patent
and  Trademark  Office in  connection  with one or more of its patents or patent
applications  to  determine  priority  of  invention,   which  could  result  in
substantial  cost to the Company,  as well as a possible  adverse decision as to
priority of invention of the patent or patent application involved.

         The Company also relies upon unpatented  trade secrets and no assurance
can be given that third  parties will not  independently  develop  substantially
equivalent  proprietary  information  and  techniques  or  gain  access  to  the
Company's trade secrets or disclose such  technology to the public,  or that the
Company can meaningfully maintain and protect unpatented trade secrets.

         Genta  requires  its   employees,   consultants,   outside   scientific
collaborators  and  sponsored  researchers  and  other  advisors  to  execute  a
confidentiality  agreement  upon the  commencement  of  employment or consulting
relationship  with  the  Company.  The  agreement  generally  provides  that all
confidential  information  developed or made known to the individual  during the
course of the individual's  relationship  with Genta shall be kept  confidential
and shall not be disclosed to third parties except in specific circumstances. In
the case of employees,  the  agreement  generally  provides that all  inventions
conceived  by the  individual  shall be  assigned  to,  and  made the  exclusive
property  of,  the  Company.  There can be no  assurance,  however,  that  these
agreements will provide meaningful protection for the Company's trade secrets or
adequate  remedies  in the  event  of  unauthorized  use or  disclosure  of such
information,  or in the event of an employee's  refusal to assign any patents to
the Company in spite of such contractual obligation.


                                       11

<PAGE>



Government Regulation

         Regulation by governmental authorities in the United States and foreign
countries  is a  significant  factor in the  manufacture  and  marketing  of the
Company's proposed products and in its ongoing research and product  development
activities.  All of the Company's  therapeutic  products will require regulatory
approval by  governmental  agencies prior to  commercialization.  In particular,
human  therapeutic  products  are subject to rigorous  preclinical  and clinical
testing and premarket approval  procedures by the FDA and similar authorities in
foreign  countries.  Various  federal,  and in some cases  state,  statutes  and
regulations  also  govern or  influence  the  manufacturing,  safety,  labeling,
storage,  record keeping and marketing of such products.  The lengthy process of
seeking these approvals,  and the subsequent  compliance with applicable federal
and in some cases state,  statutes and  regulations,  require the expenditure of
substantial  resources.  Any failure by the Company,  its  collaborators  or its
licensees  to obtain,  or any delay in  obtaining,  regulatory  approvals  could
adversely affect the marketing of any products  developed by the Company and its
ability to receive product or royalty revenue.

         The  activities  required  before  a new  pharmaceutical  agent  may be
marketed in the United States begin with preclinical testing.  Preclinical tests
include laboratory  evaluation of product chemistry and animal studies to assess
the  potential  safety and  efficacy of the product  and its  formulations.  The
results of these  studies must be submitted to the FDA as part of an IND,  which
must be reviewed and approved by the FDA before  proposed  clinical  testing can
begin. An IND becomes effective within 30 days of filing with the FDA unless the
FDA imposes a clinical  hold on the IND. In addition,  the FDA may, at any time,
impose a clinical hold on ongoing clinical trials. If the FDA imposes a clinical
hold, clinical trials cannot commence or recommence, as the case may be, without
prior  FDA  authorization  and then  only  under  terms  authorized  by the FDA.
Typically, clinical testing involves a three-phase process. In Phase I, clinical
trials are  conducted  with a small  number of subjects to  determine  the early
safety profile and the pattern of drug distribution and metabolism. In Phase II,
clinical trials are conducted with groups of patients  afflicted with a specific
disease in order to determine preliminary efficacy, optimal dosages and expanded
evidence  of  safety.  In  Phase  III,  large-scale,  multi-center,  comparative
clinical  trials are conducted with patients  afflicted with a target disease in
order to provide  enough data for the  statistical  proof of efficacy and safety
required by the FDA and others.  In the case of  products  for  life-threatening
diseases, the initial human testing is generally done in patients rather than in
healthy  volunteers.  Since these patients are already afflicted with the target
disease,  it is possible  that such  studies may provide  results  traditionally
obtained in Phase II trials.  These trials are frequently  referred to as "Phase
I/II" trials.

         The results of the  preclinical  and clinical  testing,  together  with
chemistry,  manufacturing and control information, are then submitted to the FDA
for a pharmaceutical  product in the form of a New Drug Application ("NDA"), for
a biological product in the form of a Product License Application ("PLA") or for
medical  devices in the form of a  Premarket  Approval  Application  ("PMA") for
approval to commence  commercial sales. In responding to an NDA, PLA or PMA, the
FDA may grant marketing  approval,  request  additional  information or deny the
application  if  it  determines  that  the  application  does  not  satisfy  its
regulatory  approval criteria.  There can be no assurance that approvals will be
granted on a timely basis,  if at all, or if granted will cover all the clinical
indications  for which the  Company  is  seeking  approval  or will not  contain
significant   limitations   in   the   form   of   warnings,    precautions   or
contraindications with respect to conditions of use.

         In  circumstances  where a company  intends to develop and  introduce a
novel  formulation  of an active drug  ingredient  already  approved by the FDA,
clinical and preclinical testing  requirements may not be as extensive.  Limited
additional data about the safety and/or  effectiveness  of the proposed new drug
formulation,  along with  chemistry  and  manufacturing  information  and public
information  about  the  active  ingredient,  may be  satisfactory  for  product
approval.  Consequently,  the new  product  formulation  may  receive  marketing
approval more rapidly than a traditional full NDA,  although no assurance can be
given that a product will be granted such treatment by the FDA.

         For clinical investigation and marketing outside the United States, the
Company is or may be subject to foreign regulatory  requirements governing human
clinical trials and marketing approval for drugs. The requirements governing the
conduct of clinical trials,  product  licensing,  pricing and reimbursement vary
widely from country to country. The Company's approach is to design its European
clinical trials studies to meet FDA,  European  Economic  Community  ("EEC") and
other European countries' standards. At present, the marketing authorizations

                                       12

<PAGE>



are  applied  for at a national  level,  although  certain  EEC  procedures  are
available to  companies  wishing to market a product in more than one EEC member
state. If the competent authority is satisfied that adequate evidence of safety,
quality and efficacy has been presented, a market authorization will be granted.
The  registration  system proposed for medicines in the EEC after 1992 is a dual
one in which products,  such as biotechnology  and high technology  products and
those containing new active substances, will have access to a central regulatory
system that provides registration throughout the entire EEC. Other products will
be  registered by national  authorities  under the local laws of each EEC member
state. Provided regulatory  harmonization is finalized in the EEC, the Company's
clinical trials will be designed to develop a regulatory  package sufficient for
multi-country approval in the Company's European target markets without the need
to duplicate studies for individual country approvals.  This approach also takes
advantage of regulatory  requirements in some  countries,  such as in the United
Kingdom,  which allow Phase I studies to commence after  appropriate  toxicology
and preclinical pharmacology studies, prior to formal regulatory approval.

         Prior to the  enactment of the Drug Price  Competition  and Patent Term
Restoration  Act of 1984  (the  "Waxman/Hatch  Act"),  the FDA,  by  regulation,
permitted  certain pre-1962 drugs to be approved under an abbreviated  procedure
which waived  submission of the extensive animal and human studies of safety and
effectiveness  normally required to be in a NDA. Instead,  the manufacturer only
needed to provide an ANDA  containing  labeling,  information  on chemistry  and
manufacturing  procedures  and data  establishing  that the  original  "pioneer"
product and the proposed  "generic" product are bioequivalent  when administered
to humans.

         Originally,  the FDA's regulations permitted this abbreviated procedure
only for copies of a drug that was  approved  by the FDA as safe before 1962 and
which was  subsequently  determined  by the FDA to be effective for its intended
use. In 1984, the  Waxman/Hatch  Act extended  permission to use the abbreviated
procedure  established  by the FDA to copies of post-1962  drugs  subject to the
submission of the required data and  information,  including  data  establishing
bioequivalence.  However,  effective  approval of such ANDAs were dependent upon
there being no outstanding patent or non-patent exclusivities.

         Additionally,  the FDA allows, under section 505(b)(2) of the Food Drug
and Cosmetic Act, for the  submission and approval of a hybrid  application  for
certain  changes in drugs which,  but for the changes,  would be eligible for an
effective  ANDA  approval.  Under these  procedures the applicant is required to
submit the clinical efficacy and/or safety data necessary to support the changes
from the ANDA eligible drug (without  submitting the basic underlying safety and
efficacy data for the chemical entity involved) plus manufacturing and chemistry
data and information. Effective approval of a 505(b)(2) application is dependent
upon the ANDA eligible drug upon which the applicant relies for the basic safety
and  efficacy  data  being  subject  to  no  outstanding  patent  or  non-patent
exclusivities.  As  compared  to a  NDA,  an  ANDA  or a  505(b)(2)  application
typically involves reduced research and development costs. However, there can be
no  assurance  that any such  applications  will be approved.  Furthermore,  the
supply of raw materials must also be approved by the FDA.

         The  Company is also  subject to various  foreign,  federal,  state and
local laws, regulations and recommendations relating to safe working conditions,
laboratory and manufacturing  practices, the experimental use of animals and the
use,  manufacture,  storage,  handling and disposal of hazardous or  potentially
hazardous  substances,  including  radioactive  compounds and infectious disease
agents,  used in connection with the Company's research and development work and
manufacturing processes.  Although the Company believes it is in compliance with
these laws and regulations in all material  respects  (except as disclosed under
"Management's  Discussion  and Analysis of Financial  Conditions  and Results of
Operations -- Liquidity and Capital Resources"),  there can be no assurance that
the Company will not be required to incur  significant costs to comply with such
regulations in the future.


                                       13

<PAGE>



Competition

         For  many of their  applications,  the  Company's,  and  Genta  Jago's,
products under development will be competing with existing  therapies for market
share.  In addition,  a number of companies  are  pursuing  the  development  of
antisense  and  triple-strand  technology  and  controlled-release   formulation
technology  and the  development  of  pharmaceuticals  utilizing  antisense  and
triple-strand  technology and  controlled-release  formulation  technology.  The
Company competes with fully integrated  pharmaceutical  companies, many of which
have more  substantial  experience,  financial and other  resources and superior
expertise  in  research  and  development,   manufacturing,  testing,  obtaining
regulatory  approvals,  marketing and  distribution.  Smaller companies may also
prove to be significant  competitors,  particularly  through their collaborative
arrangements  with large  pharmaceutical  companies  or  academic  institutions.
Furthermore,  academic institutions,  governmental agencies and other public and
private  research  organizations  have  conducted  and will  continue to conduct
research,  seek patent protection and establish arrangements for commercializing
products.  Such  products may compete  directly  with any products  which may be
offered by the Company.

         The Company's  products  under  development  are expected to address an
array of markets.  The Company's  competition  will be determined in part by the
potential  indications  for which  the  Company's  products  are  developed  and
ultimately  approved by  regulatory  authorities.  For certain of the  Company's
potential  products,  an important  factor in  competition  may be the timing of
market introduction of the Company's or competitor's products.  Accordingly, the
relative  speed with which Genta and Genta Jago can develop  products,  complete
the clinical trials and approval  processes and supply commercial  quantities of
the products to the market are expected to be important competitive factors. The
Company expects that competition among products approved for sale will be based,
among other things,  on product  efficacy,  safety,  reliability,  availability,
price, patent position and sales, marketing and distribution  capabilities.  The
development  by others of new  treatment  methods could render the Company's and
Genta  Jago's  products  under  development  non-competitive  or  obsolete.  The
Company's  competitive  position  also  depends  upon its ability to attract and
retain  qualified  personnel,  obtain  patent  protection  or otherwise  develop
proprietary  products or processes and secure  sufficient  capital resources for
the often  substantial  period between  technological  conception and commercial
sales.

         JBL's products address several markets,  including clinical  chemistry,
diagnostics,  molecular  biology  and  pharmaceutical  development.  While  many
customers  have  specified  JBL  products  in  their  manufacturing   protocols,
competition  from  several  international   competitors  could  undermine  JBL's
competitive position, many of whom have more substantial  experience,  financial
and  other  resources  and  superior  expertise  in  research  and  development,
manufacturing,   testing,   obtaining   regulatory   approvals,   marketing  and
distribution.  Competition has come primarily on price for some key JBL products
for pharmaceutical  development,  and from competing technologies in diagnostics
and molecular biology.

Human Resources

         As of December 31, 1996,  Genta,  JBL and Genta Europe had 22, 41 and 2
employees, respectively, 13 of whom held doctoral degrees. Twenty employees were
engaged in research and development activities, 21 were engaged in manufacturing
and 24 were in  administration,  sales and  marketing  positions.  A significant
number of the Company's  management  and  professional  employees have had prior
experience and positions with pharmaceutical and biotechnology companies.  Genta
believes it maintains satisfactory relations with its employees.

         In October 1996, the Company  terminated its nine employees  conducting
pre-clinical  research on the  Company's  "antisense"  projects and Genta Europe
terminated  seven  employees.  The  Company's  overall  staff was  reduced by an
additional net reduction of ten employees in 1996, due to attrition.

Risk Factors

         In addition to the other information contained in this Annual Report on
Form 10-K, the following factors should be considered carefully.


                                       14

<PAGE>



         Need for Additional  Funds; Risk of Insolvency.  Genta's  operations to
date have consumed substantial amounts of cash. The Company anticipates that its
existing cash funds,  including $3 million in additional  financing  obtained in
February  1997,  will  enable the  Company to  maintain  its  presently  planned
operations  until July,  1997. The Company's  auditors have included an emphasis
paragraph in their opinion with respect to the Company's  ability to continue as
a going  concern.  Management  believes  that a minimum  of  approximately  $6.4
million of additional  financing will be necessary to sustain operations through
the end of 1997 and to  satisfy  the  Company's  obligations  under  its  Senior
Secured  Convertible  Bridge Notes (the "Convertible  Notes") and 4% Convertible
Debentures (the "Convertible  Debentures").  Substantial  additional  sources of
financing  will be required  in order for the  Company to  continue  its planned
operations  thereafter,  as well.  Furthermore,  The Nasdaq Stock  Market,  Inc.
("Nasdaq")  has informed the Company that its common stock will be delisted from
the Nasdaq  SmallCap  Market  unless the Company  makes a public filing with the
Securities  and  Exchange  Commission  and  Nasdaq by April 7,  1997  evidencing
minimum capital and surplus of at least $6 million.  See "Risk Factors -- Threat
of Nasdaq  Delisting"  below.  The Company is  negotiating  with  pharmaceutical
companies regarding  collaborative  agreements and other financing  arrangements
and is actively seeking  additional equity or debt financing.  See "Management's
Discussion  and Analysis of Financial  Condition  and Results of  Operations  --
Liquidity and Capital  Resources."  However,  there can be no assurance that any
such  collaborative  agreements or other sources of funding will be available on
favorable terms, if at all. If such funding is unavailable,  the Company will be
required to license or sell certain of its assets and technology,  further scale
back or eliminate some or all of its  development  programs,  further reduce its
work  force and  spending,  and take other  measures  in order to  continue  its
operations.  If such measures are not successfully completed, the Company may be
required  to  discontinue  its  operations.  The  Company  will  need  to  raise
substantial additional funds to conduct the costly and time-consuming  research,
pre-clinical  development and clinical  trials  necessary to bring its and Genta
Jago's   products  to  market  and  to  establish   production   and   marketing
capabilities. The Company will also need substantial additional funds to provide
working  capital  loans to Genta Jago.  The Company  intends to seek  additional
funding through public or private financings,  including equity financings,  and
through collaborative  arrangements.  Adequate funds for these purposes, whether
obtained through financial  markets or collaborative or other  arrangements with
corporate partners or from other sources, may not be available when needed or on
terms acceptable to the Company.  Insufficient  funds may require the Company to
delay,  scale  back  or  eliminate  some  or  all of its  research  and  product
development  programs or to license third parties to  commercialize  products or
technologies  that the  Company  would  otherwise  seek to develop  itself.  The
Company's future cash  requirements  will be affected by results of research and
development,  results of  preclinical  studies and  bioequivalence  and clinical
trials,  relationships  with corporate  collaborators,  changes in the focus and
direction of the Company's  research and development  programs,  competitive and
technological  advances,  resources  devoted to Genta Jago,  the FDA and foreign
regulatory  process,  potential  litigation  by companies  seeking to prevent or
delay marketing approval of Genta Jago's products and other factors.

         Threat of Nasdaq Delisting. Since October 22, 1996 the Company's common
stock has been trading at less than $1.00 per share.  Effective February 7, 1997
the Company's common stock was removed from the Nasdaq National Market and began
trading on the Nasdaq SmallCap Market under a conditional exception from the bid
price and capital surplus requirements of the Nasdaq SmallCap Market. Nasdaq has
indicated that,  unless the Company's  common stock achieves a minimum bid price
of at least $1.50 per share by April 7, 1997,  and maintains a minimum bid price
of at least $1.50 per share for a period of ten consecutive days thereafter, the
Company's  common stock will be delisted from the Nasdaq  SmallCap  Market.  The
Board of Directors  of the Company has  approved an  amendment to the  Company's
Restated  Certificate  of  Incorporation  effecting a one-for-ten  reverse stock
split of the Company's  common stock (the  "Reverse  Split  Amendment")  and has
recommended that stockholders  approve the Reverse Split Amendment at the Annual
Meeting of Stockholders to be held on April 4, 1997. The Company  believes that,
if the Reverse Split Amendment is approved, it can meet Nasdaq's terms; however,
there can be no assurance that,  even with the reverse stock split,  the Company
will be able to maintain its listing on the Nasdaq SmallCap Market.  To maintain
such listing, the Company will also be required to make a public filing with the
SEC and Nasdaq evidencing minimum capital and surplus of $6 million on or before
April 7, 1997.  While the  Company  believes  that it can meet this  capital and
surplus  level by such date,  there can be no  assurance  that the Company  will
succeed in timely  achieving this  requirement or that, even if successful,  the
Company's  common stock would not be delisted from the Nasdaq  SmallCap  Market.
There can be no assurances  that approval of the Reverse  Split  Amendment  will
succeed in raising the bid price of the  Company's  common stock above $1.50 per
share, that such minimum price if achieved would be maintained for the requisite
period,  or that even if Nasdaq's minimum bid price  requirement were satisfied,
the Company's common stock would not be delisted from the Nasdaq

                                       15

<PAGE>



SmallCap  Market for other  reasons.  A delisting of the Company's  common stock
could adversely affect the ability of the Company to attract new investors.

         Subordination of Common Stock to Series A and Series C Preferred Stocks
and Redemption of Series A Preferred Stock;  Risk of Dilution.  The common stock
is expressly  subordinate  to the  approximately  $30 million  preference of the
528,100  outstanding  shares of Series A Preferred  Stock and the  approximately
$1.5 million  preference of the 1,424 shares of Series C Preferred  Stock in the
event of the liquidation,  dissolution or winding up of the Company. Further, no
dividends  may be paid on the common stock unless full  cumulative  dividends on
the Series A and Series C Preferred Stocks have been paid or funds set aside for
such preferred  dividends by the Company.  In addition,  the conversion ratio of
the  Series A  Preferred  Stock and the  exercise  price of  warrants  issued in
connection  with the Series A  Preferred  Stock  (the  "Series A  Warrants")  is
subject to  adjustment,  among other  things,  upon certain  issuances of common
stock or  securities  convertible  into common stock at $6.75 per share or less.
Each  share of Series A  preferred  stock is  presently  convertible  into 21.31
shares of common stock and the exercise  price of the Series A Warrants is $2.60
per share.

          The Series A Preferred  Stock was  subject to a  mandatory  redemption
(the  "Mandatory  Redemption")  by  the  Company  on  September  23,  1996  (the
"Redemption Date"). Under the terms of the Mandatory Redemption, as set forth in
the Company's Restated Certificate of Incorporation, the Redemption Price of $50
per share plus accrued dividends was to be paid, subject to certain  conditions,
in common stock valued at an average  trading  price for ten trading days before
August 20, 1996. The Company elected to effect the Mandatory  Redemption through
the use of  common  stock,  and then was  required  to use its best  efforts  to
arrange with an investment  bank acceptable to the holders of Series A preferred
stock for a firm commitment  underwriting  relating to such shares.  The Company
was unable to arrange for such a firm commitment offering and is now required to
use its  reasonable  efforts to arrange for a firm  commitment  underwriting  as
promptly as practicable and to redeem any remaining outstanding shares of Series
A preferred stock upon arranging for such firm commitment underwriting.  Even if
the Company is  successful in satisfying  its Mandatory  Redemption  obligations
with its  shares of  common  stock,  holders  of common  stock  will  experience
substantial  dilution  at the time of such  redemption.  Terms of the  Company's
Series A  preferred  stock  provide  for the  payment of  dividends  annually in
amounts  ranging  from $3.00 per share per annum for the first year to $5.00 per
share per annum in the third and fourth years.  Dividends may be paid in cash or
common stock or a combination thereof, at the Company's option. Dividends on the
preferred  stock  accrue on a daily basis  (whether or not  declared)  and shall
accumulate to the extent not paid on the annual dividend  payment date following
the  dividend  period for which they  accrue.  Each share of Series C  Preferred
Stock is  convertible,  subject  to  certain  conditions,  at the  option of the
holder,  into that number of shares of common stock  determined  by dividing the
sum of $1,000,  plus all accrued  dividends  on each share of Series C Preferred
Stock  (approximately  $40 per share),  by the conversion  price of the Series C
Preferred  Stock.  The conversion price of the Series C Preferred Stock is equal
to 75% of the average of the closing bid prices of the Company's common stock on
the Nasdaq Stock Market for a specified period.  Terms of the Company's Series C
convertible  preferred stock also provide for dividends payable in shares of the
Company's  common  stock.  The Company has paid and, to the extent  permitted by
law,  intends to continue paying the dividends in shares of the Company's common
stock.

         Subordination  of Common  Stock to Senior  Secured  Convertible  Bridge
Notes  and 4%  Convertible  Debentures;  Risk of  Dilution.  In the  event  of a
liquidation,  dissolution or winding up of the Company, the common stock is also
expressly subordinate to $3 million principal amount of Convertible Notes and to
$350,000 principal amount of Convertible Debentures;  both issues are payable in
August,  1997.  Further,  no  dividends  may be paid on the common  stock unless
cumulative  dividends on such convertible notes and debentures have been paid or
funds have been set aside for such payment.  The Convertible Notes are initially
convertible into 600,000 shares of Series D preferred  stock,  which are in turn
convertible  into 20 million  shares of common  stock,  subject to  antidilution
adjustments.  The  Convertible  Debentures  are  convertible  into a maximum  of
122,101 shares of common stock.

        Early Stage of Development;  Technological  Uncertainty.  Genta is at an
early stage of development.  All of the Company's potential therapeutic products
are in  research  or  development,  and no  revenues  have been  generated  from
therapeutic  product sales.  The Company is pursuing  research and  development,
through  Genta  Jago,  of a range  of oral  controlled-release  formulations  of
currently  available  pharmaceuticals.  Many  of the  products  to be  developed
through Genta Jago have not yet been  successfully  formulated  using  GEOMATRIX
technology. In

                                       16

<PAGE>



addition,  none of the products being  developed  through Genta Jago has had its
manufacturing  process successfully  scaled-up for commercial  production or has
started pivotal bioequivalence trials. To date, a major portion of the Company's
resources  have been  dedicated  to applying  molecular  biology  and  medicinal
chemistry to the research and development of potential  pharmaceutical  products
based upon Anticode technology.  While the Company has demonstrated the activity
of Anticode  technology  in model systems in vitro and the activity of antisense
technology in animals and has identified a number of compounds which the Company
believes are worthy of additional testing,  only one of these potential Anticode
products  has begun to be  tested in  humans,  with  such  testing  in its early
stages. There can be no assurance that the novel approach of Anticode technology
to develop therapeutic  products will result in products which receive necessary
regulatory approvals or that will be successful  commercially.  Further, results
obtained  in  preclinical  studies  or  pilot  bioequivalence   trials  are  not
necessarily  indicative  of  results  that will be  obtained  in human  clinical
testing or pivotal  bioequivalence  trials,  respectively.  The  Company is also
developing products for certain diseases where no animal models exist. There can
be no assurance that any of the Company's or Genta Jago's potential products can
be successfully  developed.  Furthermore,  the Company's products in research or
development  may prove to have  undesirable and unintended side effects or other
characteristics  that may prevent or limit their commercial use. There can be no
assurance that the Company will be permitted to undertake human clinical testing
of its  potential  Anticode  products  or any  other of the  Company's  products
currently in preclinical development,  or, if permitted, that such products will
be  demonstrated  to be safe  and  efficacious.  In  addition,  there  can be no
assurance that any of the Company's or Genta Jago's  products will obtain FDA or
foreign  regulatory  approval for any  indication  or that an approved  compound
would be capable of being produced in commercial  quantities at reasonable costs
and successfully  marketed.  Products,  if any,  resulting from Genta's or Genta
Jago's  research and  development  programs are not expected to be  commercially
available for a number of years.

         Loss  History;  Uncertainty  of  Future  Profitability.  Genta has been
unprofitable to date,  incurring  substantial  operating losses  associated with
ongoing  research and  development  activities,  preclinical  testing,  clinical
trials,  manufacturing activities and development activities undertaken by Genta
Jago.  From the period since its inception to December 31, 1996, the Company has
incurred a cumulative net loss of $108.4  million.  The Company has  experienced
significant  quarterly  fluctuations in operating results and expects that these
fluctuations  in revenues,  expenses and losses will  continue.  The Company has
historically  experienced  significant  quarterly  fluctuations  in its level of
product sales, generally reflecting the timing and degree of customer demand for
various products.

         Dividends.  The  Company  has never paid cash  dividends  on its common
stock and does not  anticipate  paying  any such  dividends  in the  foreseeable
future. In addition, the Company is restricted from paying cash dividends on its
common  stock  until  such time as all  cumulative  dividends  have been paid on
outstanding shares of its Series A and Series C convertible preferred stock. The
Company  currently  intends to retain its  earnings,  if any,  after  payment of
dividends on outstanding  shares of Series A and Series C convertible  preferred
stock,  for the development of its business.  See  "Management's  Discussion and
Analysis of Financial  Condition  and Results of  Operations  --  Liquidity  and
Capital Resources."

         Operations   After   Restructuring.   As  a  result  of  the  Company's
restructuring to reduce operating expenses, the Company has focused its research
and development programs on its near-term drug delivery  (GEOMATRIX)  technology
and its Anticode cancer program.  The Company's  Anticode  programs  directed at
other areas have  largely  been  curtailed  and any future  progress  with these
programs is dependent upon the Company obtaining a collaborative partner to fund
further research.  There can be no assurance that the Company will be successful
in  obtaining  additional  funding  for these  programs.  The  Company no longer
anticipates  devoting any of its resources to further development of its topical
dermatology product  candidates.  The Company's agreement with its collaborative
partner,  the Procter & Gamble  Company  ("Procter & Gamble"),  for its Anticode
program in infectious  diseases,  ended in September 1995. The Company will have
to obtain  additional  corporate  partners  in order to  continue  its  Anticode
programs.  There can be no assurance  that the Company will be able to negotiate
such collaborative arrangements on favorable terms, if at all.

         Genta Jago's  strategy is to form alliances  with major  pharmaceutical
companies  to  commercialize  its  GEOMATRIX  oral  controlled-release  products
worldwide.  Genta Jago has established  collaborations with Gensia (and, through
Gensia,  with  Boehringer  Mannheim),  Apothecon  and Krypton.  Gensia has since
entered into an Assignment and Release  Agreement with SkyePharma for its United
States subsidiary, Brightstone, to assume

                                       17

<PAGE>



Gensia's position in the  collaboration  with Genta Jago with no modification to
the terms of the original  agreement between Genta Jago and Gensia.  Brightstone
also replaces Gensia in its relationship with Boehringer Mannheim.

         No Assurance of Regulatory Approval; Government Regulation. The FDA and
comparable  agencies in foreign countries impose substantial  premarket approval
requirements  upon the introduction of  pharmaceutical  products through lengthy
and detailed  preclinical and clinical  testing  procedures and other costly and
time-consuming  procedures.  Satisfaction of these requirements,  which includes
demonstrating  to the  satisfaction of the FDA and foreign  regulatory  agencies
that the product is both safe and  effective,  typically  takes several years or
more depending upon the type,  complexity and novelty of the product.  There can
be no  assurance  that  such  testing  will  show  any  product  to be  safe  or
efficacious  or,  in the  case  of  certain  of  Genta  Jago's  products,  to be
bioequivalent to a currently marketed pharmaceutical. Government regulation also
affects the manufacture and marketing of pharmaceutical  products. The effect of
government  regulation  may be to  delay  marketing  of any new  products  for a
considerable or indefinite  period of time, to impose costly procedures upon the
Company's or Genta Jago's  activities and to diminish any competitive  advantage
that the Company or Genta Jago may attain.  It may take years  before  marketing
approvals  are obtained for the Company's or Genta Jago's  products,  if at all.
There can be no assurance that FDA or other regulatory approval for any products
developed by the Company or Genta Jago will be granted on a timely basis,  if at
all, or, if granted,  that such approval will cover all the clinical indications
for which the  Company  or Genta Jago is seeking  approval  or will not  sustain
significant   limitations   in   the   form   of   warnings,    precautions   or
contraindications  with respect to conditions of use.  Further,  with respect to
the reformulated versions of currently available pharmaceuticals being developed
through  Genta  Jago,  there is a  substantial  risk that the  manufacturers  or
marketers  of such  currently  available  pharmaceuticals  will seek to delay or
block regulatory approval of any reformulated  versions of such  pharmaceuticals
through  litigation  or other means.  Any  significant  delay in  obtaining,  or
failure to obtain, such approvals would materially  adversely affect the Company
and Genta Jago's revenue. Moreover, additional government regulation from future
legislation or  administrative  action may be established which could prevent or
delay  regulatory  approval of the Company's or Genta Jago's products or further
regulate the prices at which the Company's or Genta Jago's proposed products may
be sold.

         The  Company is also  subject to various  foreign,  federal,  state and
local laws, regulations and recommendations relating to safe working conditions,
laboratory and manufacturing  practices, the experimental use of animals and the
use,  manufacture,  storage,  handling and disposal of hazardous or  potentially
hazardous  substances,  including  radioactive  compounds and infectious disease
agents,  used in connection with the Company's research and development work and
manufacturing processes.  Although the Company believes it is in compliance with
these laws and regulations in all material  respects  (except as disclosed under
"Management's  Discussion  and Analysis of Financial  Conditions  and Results of
Operations -- Liquidity and Capital Resources"),  there can be no assurance that
the Company will not be required to incur  significant costs to comply with such
regulations in the future.

         Uncertainty Regarding Patents and Proprietary Technology. The Company's
and Genta Jago's success will depend, in part, on their respective  abilities to
obtain  patents,  maintain  trade  secrets and operate  without  infringing  the
proprietary  rights of others.  No assurance can be given that patents issued to
or licensed by the Company or Genta Jago will not be challenged,  invalidated or
circumvented,  or that the rights granted  thereunder  will provide  competitive
advantages  to the Company or Genta  Jago.  There can be no  assurance  that the
Company's or Genta Jago's patent applications will be approved, that the Company
or Genta Jago will develop  additional  products that are  patentable,  that any
issued  patent  will  provide  the  Company or Genta  Jago with any  competitive
advantage or adequate protection for its inventions or will not be challenged by
others,  or that the  patents of others  will not have an adverse  effect on the
ability of the Company or Genta Jago to do business.  Competitors may have filed
applications,  may have been issued patents or may obtain additional patents and
proprietary  rights relating to products or processes  competitive with those of
the Company or Genta Jago.  Furthermore,  there can be no assurance  that others
will not independently develop similar products,  duplicate any of the Company's
or Genta Jago's products or design around any patented products developed by the
Company or Genta  Jago.  The  Company  and Genta Jago rely on secrecy to protect
technology in addition to patent protection,  especially where patent protection
is not believed to be appropriate or obtainable.  No assurance can be given that
others  will not  independently  develop  substantially  equivalent  proprietary
information and techniques or otherwise gain access to

                                       18

<PAGE>



the Company's or Genta Jago's trade  secrets,  or that the Company or Genta Jago
can effectively protect is rights to its unpatented trade secrets.

         Genta and Genta Jago have obtained  licenses or other rights to patents
and other  proprietary  rights of third  parties,  and may be required to obtain
licenses to additional patents or other proprietary rights of third parties.  No
assurance  can be given that any existing  licenses and other rights will remain
in effect or that any licenses  required  under any such  additional  patents or
proprietary rights would be made available on terms acceptable to the Company or
Genta Jago, if at all. If Genta's or Genta Jago's  licenses and other rights are
terminated  or if Genta or Genta Jago cannot  obtain such  additional  licenses,
Genta or Genta Jago could encounter delays in product market introductions while
it attempts to design  around such  patents or could find that the  development,
manufacture or sale of products requiring such licenses could be foreclosed.  In
addition,  the Company or Genta Jago could incur  substantial  costs,  including
costs caused by delays in obtaining regulatory approval and bringing products to
market,  in defending  itself in any suits brought  against the Company or Genta
Jago claiming infringement of the patent rights of third parties or in asserting
the Company's or Genta Jago's patent  rights,  including  those granted by third
parties,  in a suit against  another  party.  The Company or Genta Jago may also
become involved in interference proceedings declared by the United States Patent
Office in  connection  with one or more of its  patents or patent  applications,
which could result in substantial  cost to the Company or Genta Jago, as well as
an  adverse  decision  as to  priority  of  invention  of the  patent  or patent
application  involved.  There can be no assurance that the Company or Genta Jago
will have  sufficient  funds to obtain,  maintain  or  enforce  patents on their
respective  products or technology,  to obtain or maintain  licenses that may be
required in order to develop and  commercialize  their respective  products,  to
contest patents obtained by third parties, or to defend against suits brought by
third parties.

         Dependence  on  Others.   The  Company's  strategy  for  the  research,
development  and  commercialization  of certain of its or Genta Jago's  products
requires  negotiating,  entering into and maintaining various  arrangements with
corporate collaborators,  licensors, licensees and others, and is dependent upon
the   subsequent   success  of  these  outside   parties  in  performing   their
responsibilities.  The Company's agreement with Procter & Gamble represented the
Company's  primary  source  of  collaborative  revenues  during  1995  and  such
agreement   ended  in  September   1995.   Genta  Jago  is  seeking   additional
collaborative  arrangements  to  develop  and  commercialize  certain  of  their
respective products.  However, there can be no assurance that Genta Jago will be
able to negotiate collaborative arrangements on acceptable terms, if at all.

         Technology  Licensed From Third  Parties.  The Company has entered into
certain  agreements  with, and licensed  certain  technology and compounds from,
third  parties.  The  Company  has relied on  scientific,  technical,  clinical,
commercial  and other data  supplied and  disclosed  by others in entering  into
these  agreements,  including the Genta Jago  agreements,  and will rely on such
data in support of development of certain products.  Although the Company has no
reason to believe  that this  information  contains  errors of omission or fact,
there can be no  assurance  that  there are no errors of  omission  or fact that
would  materially  affect the future  approvability  or commercial  viability of
these products.

         Competition.  The Company and Genta Jago have numerous  competitors  in
the United States and other  countries  for their  respective  technologies  and
products under  development,  including among others,  major  pharmaceutical and
chemical  companies,  specialized  biotechnology  firms,  universities and other
research  institutions.  There can be no assurance  that the  Company's or Genta
Jago's  competitors  will not  succeed in  developing  products  or other  novel
technologies  that are more  effective  than any  which  have  been or are being
developed  by the Company or Genta Jago or which would  render the  Company's or
Genta Jago's technology and products non-competitive.  Many of the Company's and
Genta  Jago's  competitors  have  substantially  greater  financial,  technical,
marketing and human resources than the Company or Genta Jago. In addition,  many
of those competitors have  significantly  greater experience than the Company or
Genta Jago in undertaking  preclinical  testing and human clinical trials of new
pharmaceutical  products and  obtaining  FDA and other  regulatory  approvals of
products  for use in  healthcare.  Accordingly,  the  Company's  or Genta Jago's
competitors  may succeed in obtaining  regulatory  approval  for  products  more
rapidly  than the  Company or Genta  Jago and such  competitors  may  succeed in
delaying or blocking  regulatory  approvals  of the  Company's  or Genta  Jago's
products.  Furthermore,  if the Company or Genta Jago is  permitted  to commence
commercial  sales  of  products,  it will  also be  competing  with  respect  to
marketing  capabilities,  an area in which it has limited or no experience,  and
manufacturing  efficiency.  There are many public and private companies that are
conducting research and development activities based on drug delivery

                                       19

<PAGE>



and antisense technologies. The Company believes that the industry-wide interest
in such  technologies  will  accelerate  and  competition  will intensify as the
techniques which permit drug design and development  based on such  technologies
are more widely understood.

         Difficult  Manufacturing  Requirements.  The  manufacture  of  Anticode
oligonucleotides  is a time-consuming and complex process.  Management  believes
that  the  Company  has  the  ability  to  acquire  or  produce   quantities  of
oligonucleotides  sufficient  to support its present  needs for research and its
projected needs for its initial clinical development  programs.  However,  Genta
believes that improvements in its  manufacturing  technology will be required to
enable the Company to meet the volume and cost  requirements  needed for certain
commercial  applications  of Anticode  products.  Products  based on  chemically
modified  oligonucleotides  have never been  manufactured on a commercial scale.
The  manufacture  of all of the  Company's  and Genta  Jago's  products  will be
subject to current GMP  requirements  prescribed  by the FDA or other  standards
prescribed by the appropriate regulatory agency in the country of use. There can
be no  assurance  that the  Company  or Genta  Jago will be able to  manufacture
products,  or  have  products  manufactured  for  it,  in a  timely  fashion  at
acceptable quality and prices, that they or third party manufacturers can comply
with GMP or that they or third party  manufacturers  will be able to manufacture
an adequate supply of product.

         Limited Sales, Marketing and Distribution  Experience.  The Company and
Genta Jago have very limited experience in pharmaceutical  sales,  marketing and
distribution. In order to market and sell certain products directly, The Company
or Genta Jago would have to develop or subcontract a sales force and a marketing
group with technical expertise.  There can be no assurance that any direct sales
or marketing efforts would be successful.

         Uncertainty of Product Pricing,  Reimbursement and Related Matters. The
Company's and Genta Jago's business may be materially  adversely affected by the
continuing  efforts of governmental  and third party payers to contain or reduce
the costs of healthcare  through various means. For example,  in certain foreign
markets  the  pricing or  profitability  of  healthcare  products  is subject to
government  control.  In the United  States,  there have been,  and the  Company
expects that there will continue to be, a number of federal and state  proposals
to implement  similar  governmental  control.  While the Company  cannot predict
whether any such legislative or regulatory proposals or reforms will be adopted,
the  adoption  of any  such  proposal  or  reform  could  adversely  affect  the
commercial  viability of the Company's and Genta Jago's potential  products.  In
addition, in both the United States and elsewhere,  sales of healthcare products
are dependent in part on the  availability of reimbursement to the consumer from
third party payers,  such as government and private insurance plans. Third party
payers are increasingly  challenging the prices charged for medical products and
services and therefore,  significant  uncertainty exists as to the reimbursement
of existing and newly approved healthcare products. If the Company or Genta Jago
succeeds  in  bringing  one or more  products  to the  market,  there  can be no
assurance  that  these  products  will be  considered  cost  effective  and that
reimbursement  to the consumer  will be available or will be sufficient to allow
the Company or Genta Jago to sell its products on a competitive basis.

         Dependence  on Qualified  Personnel.  The  Company's  success is highly
dependent on the retention of principal members of its management and scientific
staff and the  recruitment  of  additional  key  personnel.  As the  Company has
already  fallen below critical mass, the loss of additional key personnel or the
failure to recruit necessary  additional  personnel does and will further impede
the  achievement of development  objectives.  There is intense  competition  for
qualified personnel in the areas of the Company's  activities,  and there can be
no  assurance  that Genta  will be able to  continue  to attract  and retain the
qualified personnel necessary for the development of its business.

         Product Liability Exposure;  Limited Insurance Coverage. The Company's,
JBL's and Genta Jago's  businesses  expose them to potential  product  liability
risks which are inherent in the testing,  manufacturing,  marketing  and sale of
human therapeutic  products.  If available,  product liability insurance for the
pharmaceutical industry generally is expensive. The Company has obtained a level
of liability insurance coverage which it deems appropriate for its current stage
of development.  However,  there can be no assurance that the Company's  present
insurance  coverage is adequate.  Such existing  coverage may not be adequate as
the Company further develops products, and no assurance can be given that in the
future adequate insurance coverage will be available in sufficient

                                       20

<PAGE>



amounts or at a reasonable  cost,  or that a product  liability  claim would not
have a material  adverse  effect on the business or  financial  condition of the
Company.

         Hazardous Materials;  Environmental Matters. The Company's research and
development and manufacturing  processes involve the controlled storage, use and
disposal of hazardous materials,  biological hazardous materials and radioactive
compounds.  The  Company  is  subject  to  federal,  state  and  local  laws and
regulations  governing the use, manufacture,  storage,  handling and disposal of
such materials and certain waste  products.  Although the Company  believes that
its safety  procedures for handling and disposing of such materials  comply with
the standards  prescribed by such laws and  regulations,  the risk of accidental
contamination or injury from these materials cannot be completely eliminated. In
the event of such an  accident,  the  Company may be held liable for any damages
that result,  and any such liability  could exceed the resources of the Company.
There  can be no  assurance  that  the  Company  will not be  required  to incur
significant  costs to comply  with  environmental  laws and  regulations  in the
future,  nor that the operations,  business or assets of the Company will not be
materially  adversely  affected  by  current  or  future  environmental  laws of
regulations.  See "Management's  Discussion and Analysis of Financial  Condition
and Results of Operation -- Liquidity and Capital Resources."

         Volatility  of Stock Price.  The market price of the  Company's  common
stock, like that of the common stock of many other biopharmaceutical  companies,
has been highly volatile. Factors such as the results of preclinical studies and
clinical trials by Genta, Genta Jago or their competitors, other evidence of the
safety or  efficacy  of  products  of Genta,  Genta  Jago or their  competitors,
announcements  of technological  innovations or new therapeutic  products by the
Company, Genta Jago or their competitors,  governmental regulation, developments
in  patent  or other  proprietary  rights  of the  Company  or its  competitors,
including  litigation,  fluctuations  in the Company's  operating  results,  and
market  conditions  for  biopharmaceutical   stocks  in  general  could  have  a
significant  impact on the future price of the common  stock.  On March 2, 1997,
the Company had 39,991,626 shares of common stock  outstanding.  Future sales of
shares of common stock by existing  stockholders  and option  holders also could
adversely affect the market price of the common stock.

         Concentration of Ownership. The Company's directors, executive officers
and principal  stockholders  and certain of their affiliates have the ability to
influence  the election of the Company's  directors  and most other  stockholder
actions.

         Possible  Nonpayment  of  Dividends  on Series A and Series C Preferred
Stock;  Deficiency  in Fixed  Charges and  Preferred  Stock  Dividend  Coverage.
Dividends  will be payable on the  Series A and  Series C  Preferred  Stock only
when,  as and if  declared by the  Company's  Board of  Directors,  out of funds
legally available therefor. The Company has incurred losses and, thus, has had a
deficiency  in  fixed  charges  and  preferred  stock  dividend  coverage  since
inception.  For the fiscal years ended December 31, 1991, 1992, 1993, 1994, 1995
and 1996 the coverage  deficiency  was  approximately  $9,486,000,  $16,703,000,
$16,189,000,  $25,998,000,  $27,917,000 and $13,950,000 respectively.  While the
Company  intends to pay dividends on the Series A and Series C Preferred  Stock,
it is  anticipated  that the Company will continue to incur losses and thus will
continue to have a deficiency  in fixed  charges and  preferred  stock  dividend
coverage.  Dividends  on the Series A and Series C  Preferred  Stock may be paid
only  out of  capital  surplus  (within  the  meaning  of the  Delaware  General
Corporation  Law) or net profits of the Company for the fiscal year in which the
dividend is declared and the preceding fiscal year.

         Effect of Certain  Anti-Takeover  Provisions.  The  Company's  Restated
Certificate of Incorporation and Bylaws include provisions that could discourage
potential  takeover  attempts  and  make  attempts  by  stockholders  to  change
management more difficult. The approval of 66-2/3% of the Company's voting stock
is required to approve  certain  transactions  and to take  certain  stockholder
actions,  including  the calling of a special  meeting of  stockholders  and the
amendment of any of the  anti-takeover  provisions  contained  in the  Company's
Restated  Certificate of  Incorporation.  Further,  pursuant to the terms of its
stockholder  rights plan adopted in December 1993, the Company has distributed a
dividend of one right for each outstanding  share of common stock.  These rights
will cause a substantial  dilution to a person or group that attempts to acquire
the  Company on terms not  approved by the Board of  Directors  and may have the
effect of deterring hostile takeover  attempts.  The stockholder rights plan was
amended to permit the  consummation  of the  transactions  with the Aries  Funds
described under Item 5(d) of this Annual Report on Form 10-K.


                                       21

<PAGE>



Item 2.  Properties

         Genta's principal  administrative offices and research laboratories are
located in San Diego, California where the Company occupies approximately 15,000
square feet. The Company's lease for these premises  expired in November,  1996,
and the Company is currently renting on a month-to-month  basis at the same rate
of $30,076 per month.  The Company  believes this space will be adequate for its
activities through 1997.

         JBL,  the  Company's  manufacturing  subsidiary,  leases  and  occupies
approximately  30,000 square feet of office,  laboratory and manufacturing space
in San Luis Obispo, California.  This lease expires in 2000. The lease calls for
rent of  approximately  $306,000  in 1997,  with  amounts  generally  increasing
annually  thereafter to reflect cost of living  related  increases.  The Company
currently uses substantially all of the manufacturing capacity of this facility.
The Company believes that such space will be adequate for its planned operations
through 1997.  The Company also has an option to purchase  property  adjacent to
this facility,  for expansion,  if necessary. A director and officer and another
officer of the Company, Drs. Klem and Brown,  respectively,  are affiliated with
the owners of the leased and adjacent properties.

         Genta Pharmaceuticals  Europe, S.A., the Company's European subsidiary,
leases approximately 10,000 square feet of office,  laboratory and manufacturing
space in  Marseilles,  France.  The lease is  cancelable  in 2003 and expires in
2005. The lease calls for rent of  approximately  $99,000 in 1997,  with amounts
generally  increasing  annually  thereafter  to reflect  cost of living  related
increases.

Item 3.  Legal Proceedings

         (a)  On   February  5,  1997,   Equity-Linked   Investors,   L.P.   and
         Equity-Linked Investors-II  (collectively,  the "Plaintiffs") who, as a
         group,  may be deemd to beneficially  own more than five percent of the
         outstanding  shares  of the  Common  Stock of the  Company  as Series A
         preferred  stockholders,  filed suit (the "Suit") in the Delaware Court
         of Chancery  (the "Court")  against the Company,  each of the Company's
         directors  and the Aries  Funds  (as  hereinafter  defined  in Item 5).
         Through the Suit, the Plaintiffs are seeking to enjoin the transactions
         contemplated   by  The  Note  and  Warrant   Purchase   Agreement  (the
         "Transactions"),  rescission  of the  Transactions,  damages,  attorney
         fees,  and such other and further relief as the Court may deem just and
         proper.  The Suit  alleges  that the Board of  Directors of the Company
         breached fiduciary duties by failing to consider financing alternatives
         to the Transactions and further alleges that the Transactions  were not
         in the  best  interests  of the  stockholders.  Additionally,  the Suit
         alleges that the Aries Funds aided and abetted such breach of fiduciary
         duty through their participation in the Transactions. On March 4 and 5,
         1997, a trial was held before the Court.  The Court has  established  a
         briefing  schedule and set a hearing for post-trial  arguments on April
         1, 1997. The Company believes that the lawsuit is without merit.

         (b) No material legal proceedings were terminated in the quarter ending
         December 31, 1996.

Item 4.  Submission of Matters to a Vote of Security Holders

         No matters were submitted to a vote of security  holders in the quarter
ended December 31, 1996.


                                       22

<PAGE>



Executive Officers of the Registrant

The executive officers of the Company are as follows:
<TABLE>
<CAPTION>

                Name                                 Age                    Position

<S>                                                      <C>     <C>
Thomas H. Adams, Ph.D...........................     54      Chairman of the Board, Chief Executive Officer
                                                             and Director

Lauren R. Brown, Ph.D...........................     54      Vice President, President of JBL

Zofia E. Dziewanowska, Ph.D., M.D...............     57      Senior Vice President, Global Clinical Affairs

Robert E. Klem, Ph.D............................     52      Vice President, Director, and Chairman of the
                                                             Board of JBL

Guy Van de Winckel..............................     55      Vice President, European Operations

Robert Wang, Ph.D...............................     49      Vice President, Pharmaceutical Operations

</TABLE>

         Dr.  Adams was the founder of Genta and has been  Chairman of the Board
and Chief Executive  Officer of Genta since February 1989. He previously  served
as  Chairman  of the Board and Chief  Executive  Officer of  GenProbe,  which he
co-founded in 1984. Prior to joining Gen-Probe,  he held the positions of Senior
Vice  President  of  Research  &  Development  and Chief  Technical  Officer  at
Hybritech  Incorporated  ("Hybritech"),  a leading monoclonal  antibody products
company which was acquired by Eli Lilly and Company in 1986.  He had  previously
held senior scientific  management  positions with Technicon  Instruments Corp.,
the Hyland Laboratories Division of Baxter Travenol,  and DuPont. Dr. Adams is a
director of Life Technologies,  Inc., and three private  biotechnology firms. He
received  his  Ph.D.  in  Biochemistry  from the  University  of  California  at
Riverside.

         Dr. Brown has been Vice President of the Company since October 1991. He
co-founded JBL in 1973 and, since then, has been President of JBL the subsidiary
that Genta acquired in February 1991. He has had  significant  experience in the
scale-up of a wide variety of  processes,  including  many custom  syntheses for
outside  companies  under  GMP  standards.  In  the  past,  he has  also  shared
responsibilities for the research program at JBL, and he developed the syntheses
for many of JBL's  products.  Dr. Brown received his Ph.D. in Organic  Chemistry
from the University of California at Riverside.

         Dr.  Dziewanowska  joined the Company as Senior Vice President,  Global
Clinical Affairs in May 1994. Prior to joining Genta, Dr.  Dziewanowska spent 17
years at Hoffmann-La  Roche Inc. in various  research and development  positions
including,   most  recently,   Vice  President  and  Director  of  International
Therapeutic  Research and Medical Affairs Advisor. Dr. Dziewanowska is currently
holding a faculty appointment at the Cornell University Medical School. She also
has held various  positions  in the  Pharmaceutical  Research and  Manufacturers
Association  of America,  the most recent being a  Vice-Chairman  of the Medical
Section Steering Committee,  American  Association of Pharmaceutical  Physicians
and the  International  Federation of  Pharmaceutical  Medicine.  Before joining
Hoffmann-La Roche, Dr.  Dziewanowska  worked four years as associate director of
international  clinical pharmacology at Merck, Sharp & Dohme Laboratories and as
a visiting associate  physician in the Department of Pharmacology at Rockefeller
University  in New York.  She  received an M.D.  degree from the  University  of
Warsaw Medical School and a Ph.D. in physiology from the Institute of Immunology
and Experimental Therapeutics, Polish Academy of Science. Her medical degree was
recertified  in England and the United States She has been invited to speak on a
variety of United States and  International  Conferences  pertaining to clinical
drug research and development, and she is listed in "Who's Who."

         Dr. Klem has been a director of the Company  since  February 1991 and a
Vice  President of the Company since October 1991.  Dr. Klem  co-founded  JBL in
1973 and, since then, has been Chairman of the Board and Chief


                                       23

<PAGE>

Technical  Officer of JBL with  responsibility  for  research,  development  and
marketing activities. Previously, Dr. Klem was the Plant Manager for E.I. DuPont
in Victoria,  Texas from 1970 to 1974.  Dr. Klem  received his Ph.D.  in Organic
Chemistry from the University of California at Riverside.

         Mr. Van de Winckel has been President of Genta Pharmaceuticals  Europe,
S.A.  since its  incorporation  in  November  1993 and has been Vice  President,
European Operations of the Company since December 1992. From 1987 until December
1992, Mr. Van de Winckel was an independent  consultant for healthcare companies
in Europe  and the  United  States,  specializing  in  marketing  and  financial
strategies.  From  1981  until  1986,  Mr.  Van de  Winckel  was Vice  President
International  and Co-President of Hybritech  Europe. He previously held various
management positions with Baxter Travenol, including Vice President of Marketing
with the Hyland Laboratories  Division and Director of Marketing  International.
Mr.  Van de  Winckel  received  a  degree  in  international  business  from the
University of Louvain, Belgium.

         Dr.  Wang has been Vice  President,  Pharmaceutical  Operations  of the
Company since July 1995.  From  September  1993 through June 1995,  Dr. Wang was
Vice  President,  Corporate  Operations  of the Company.  From the time Dr. Wang
joined Genta in February 1989 to September  1993,  Dr. Wang was Vice  President,
Process  Development  of the  Company.  From  1986 to  1988,  Dr.  Wang was Vice
President of Development at Gen-Probe where he had technical  responsibility for
developing and implementing a novel nonisotopic DNA probe assay system. Prior to
joining  Gen-Probe,  Dr.  Wang was Senior  Director of Process  Development  and
Manufacturing   at   Hybritech,   where  he  had  overall   responsibility   for
manufacturing,  process  development and clinical support for all manufacturing.
Dr. Wang also held senior scientific positions at Calbiochem-Behring Diagnostics
and International  Diagnostic Technology.  He received his Ph.D. in Biochemistry
from the University of California at Riverside and was a post-doctoral fellow at
Scripps Clinic and Research Foundation.



                                       24

<PAGE>



                                     Part II

Item 5.  Market for Registrant's Common Equity and Related Stockholder Matters


(a)      Market Information

         Throughout 1995 and 1996, the Company's  common stock was traded on the
         Nasdaq National Market under the symbol "GNTA". However, as of February
         7, 1997 the  Company's  common  stock  trades  in the  over-the-counter
         market on the Nasdaq  SmallCap  Market  under the symbol  "GNTAC"  (see
         "Risk Factors - Threat of Nasdaq Delisting").  The following table sets
         forth, for the periods indicated, the high and low sales prices for the
         common stock as reported by Nasdaq.


                                                             High        Low


         1995
           First Quarter................................      $ 6 1/2    3 3/4
           Second Quarter...............................      3 1/2      1 3/4
           Third Quarter................................      3 1/2      1 3/8
           Fourth Quarter...............................      2 7/8      1 1/2

         1996
           First Quarter................................      2 15/16    1 7/8
           Second Quarter...............................      2 7/8      1 7/16
           Third Quarter................................      2          7/16
           Fourth Quarter...............................      1 1/2      9/32



(b)      Holders

         There were 424 holders of record of the  Company's  common  stock as of
         March 1, 1997.

(c)      Dividends

         The Company has never paid cash  dividends on its common stock and does
         not anticipate paying any such dividends in the foreseeable  future. In
         addition,  the Company is restricted  from paying cash dividends on its
         common stock until such time as all cumulative dividends have been paid
         on  outstanding  shares  of  its  Series  A and  Series  C  convertible
         preferred stocks. The Company currently intends to retain its earnings,
         if any,  after payment of dividends on  outstanding  shares of Series A
         and Series C convertible  preferred  stock,  for the development of its
         business.  See  "Management's  Discussion  and  Analysis  of  Financial
         Condition   and  Results  of   Operations   --  Liquidity  and  Capital
         Resources".

(d)      Recent Sale of Unregistered Securities

         In February, 1997, the Company raised gross proceeds of $3 million in a
         private placement,  to the Aries Fund and the Aries Domestic Fund, L.P.
         (collectively the "Aries Funds"),  of Convertible Notes and warrants to
         purchase 20 million  shares of common stock  ("Bridge  Warrants").  The
         Convertible  Notes are  initially  convertible  into 600,000  shares of
         Series D preferred stock, which in turn are convertible into 20 million
         shares of common stock. Bridge Warrants on 7.8 million shares of common
         stock have an  exercise  price of $.001 per share.  Bridge  Warrants on
         12.2 million  shares of common stock have an exercise price of $.55 per
         share.  Further,  upon the occurrence of certain events of default,  if
         elected  by  the  holders,  up to  $300,000  principal  amount  of  the
         Convertible  Notes is  convertible  into common  stock at a  conversion
         price of $.001 per share.  Each Bridge Warrant is  convertible,  at the
         option of the holder, into a new

                                       25

<PAGE>



         Warrant  entitling such holder to purchase one share of common stock at
         an exercise  price of $0.15 per share or, under certain  circumstances,
         if lower than $0.15 per  share,  50% of the market  price of the common
         stock.  Pursuant to the Note and Warrant Purchase Agreement dated as of
         January 28, 1997 between the Company and the Aries Funds (the "Note and
         Warrant Purchase Agreement"), the Aries Funds have the right to appoint
         a majority of the  members of the Board of  Directors  of the  Company;
         provided, however, that in the event the Company does not obtain Future
         Financings (as defined in the Note and Warrant  Purchase  Agreement) in
         excess of $3.5  million on or before the date which is six months after
         the Bridge Closing Date referred to in such  agreement,  then the Aries
         Funds shall have the contractual right to appoint only two directors or
         observers  and,  if at such  time,  more than two  directors  have been
         appointed  by the  Aries  Funds,  the  additional  directors  shall  be
         required  to  resign.  As of March 14,  1997,  the Aries  Funds had not
         exercised their right to appoint any directors or observers.


                                       26

<PAGE>



Item 6.    Selected Consolidated Financial Data

     The following  table sets forth certain  consolidated  financial  data with
respect to the Company. The selected consolidated  financial data should be read
in conjunction with the consolidated financial statements and related
notes thereto.
<TABLE>
<CAPTION>

                                                                         YEARS ENDED DECEMBER 31,
                                                      -----------------------------------------------------------------------------
                                                          1996             1995          1994             1993           1992
                                                          ----             ----          ----             ----           ----
CONSOLIDATED STATEMENTS OF OPERATIONS DATA:                       (In thousands, except per share amounts)
   Revenues:
<S>                                                         <C>              <C>            <C>              <C>            <C>    
      Product sales                                         $4,925           $3,782         $3,574           $3,263         $2,272 
      Gain on sale of technology                               373               -              -                -             -
      Collaborative research and development                     -            1,125          3,141            4,733          3,546 
                                                      -------------    -------------   ------------    -------------  -------------
                                                             5,298            4,907          6,715            7,996          5,818 
                                                      -------------    -------------   ------------    -------------  -------------
   Costs and expenses:
      Cost of products sold                                  2,479            1,899          1,710            1,593          1,502 
      Research and development                               5,834           11,277         13,533           12,117         10,743 
      Charge for acquired in-process research and
         development                                             -            4,762          1,850                -          7,200 
      Selling, general and administrative                    5,639            5,439          6,376            5,140          4,221 
                                                      -------------    -------------   ------------    -------------  -------------
                                                            13,952           23,377         23,469           18,850         23,666 
                                                      -------------    -------------   ------------    -------------  -------------
   Loss from operations                                    (8,654)         (18,470)       (16,754)         (10,854)       (17,848) 
   Equity in net loss of joint venture                     (2,712)          (6,913)        (7,425)          (5,310)              - 
   Other income, net                                          (59)               17            731              646          1,145 
                                                      -------------    -------------   ------------    -------------  -------------
   Net loss                                              $(11,425)        $(25,366)      $(23,448)        $(15,518)      $(16,703) 
   Dividends on preferred stock                            (2,525)          (2,551)        (2,550)            (671)              - 
                                                      -------------    -------------   ------------    -------------  -------------
   Net loss applicable to common shares                  $(13,950)        $(27,917)      $(25,998)        $(16,189)      $(16,703) 
                                                      =============    =============   ============    =============  =============
   Net loss per common share(1)                            $(0.47)          $(1.43)        $(1.90)          $(1.19)        $(1.34) 
                                                      =============    =============   ============    =============  =============
   Shares used in the calculation of net loss per
      common share                                          29,834           19,519         13,710           13,621         12,450 
                                                      =============    =============   ============    =============  =============
   Deficiency of earnings to meet combined fixed
      charges and preferred stock dividends(2)           $(13,950)        $(27,917)      $(25,998)        $(16,189)      $(16,703) 
                                                      =============    =============   ============    =============  =============
</TABLE>
<TABLE>
<CAPTION>



                                                                                 DECEMBER 31,
                                                      -----------------------------------------------------------------------------
                                                          1996             1995           1994             1993          1992      
                                                          ----             ----           ----             ----          ----      
CONSOLIDATED BALANCE SHEETS DATA:                                                      (In thousands)
<S>                                                      <C>              <C>              <C>              <C>            <C>     
   Cash, cash equivalents and short-term
      investments                                             $532             $272         $11,103          $34,594        $26,356 
   Working capital (deficit)                               (1,954)          (1,580)           5,597           30,524         21,530 
   Total assets                                             11,169           15,631          23,908           45,486         34,618 
   Notes payable and capital lease obligations,
      less current portion                                   1,160            2,334           1,871            1,651          1,409 
   Total stockholders' equity                                4,074            6,972          14,076           38,064         26,664 


</TABLE>

(1)  Computed on the basis of net loss per common  share  described in Note 1 of
Notes to Consolidated Financial Statements.

(2) The Company  has incurred losses  and, thus,  has  had a deficiency in fixed
charges and preferred stock dividend coverage since inception.


                                       27

<PAGE>



Item 7.  Management's Discussion and Analysis of Financial Condition and Results
 of Operations

Overview

         Since its inception in February  1988,  Genta has devoted its principal
efforts  toward  drug  discovery,  research  and  development.  Genta  has  been
unprofitable  to  date  and,  even  if it  obtains  financing  to  continue  its
operations,  expects to incur substantial  operating losses for the next several
years  due to  continued  requirements  for  ongoing  research  and  development
activities,  preclinical testing and clinical trials,  manufacturing activities,
regulatory activities,  establishment of a sales and marketing organization, and
development  activities  undertaken by Genta Jago,  the Company's  joint venture
with  Jagotec.  From the period since its  inception  to December 31, 1996,  the
Company has incurred a cumulative  net loss of $108.4  million.  The Company has
experienced  significant  quarterly  fluctuations  in  operating  results and it
expects that these fluctuations in revenues, expenses and losses will continue.
See "Risk Factors."

         The  statements  contained in this Annual  Report on Form 10-K that are
not historical are forward-looking  statements within the meaning of Section 27A
of the  Securities  Act of 1933, as amended,  and Section 21E of the  Securities
Exchange  Act  of  1934,  as  amended,   including   statements   regarding  the
expectations,  beliefs,  intentions  or  strategies  regarding  the future.  The
Company intends that all forward-looking statements be subject to the safeharbor
provisions  of the  Private  Securities  Litigation  Reform  Act of 1995.  These
forward-looking  statements  reflect the Company's views as of the date they are
made with respect to future events and financial performance, but are subject to
many  risks and  uncertainties,  which  could  cause the  actual  results of the
Company to differ  materially  from any future  results  expressed or implied by
such  forward-looking  statements.  Examples  of such  risks  and  uncertainties
include,  but are not limited to, obtaining sufficient financing to maintain the
Company's  planned  operations,  the timely  development,  receipt of  necessary
regulatory approvals and acceptance of new products,  the successful application
of  the  Company's  technology  to  produce  new  products,   the  obtaining  of
proprietary  protection  for any such  technology  and  products,  the impact of
competitive  products and pricing and  reimbursement  policies,  changing market
conditions  and the other  risks  detailed in the Risk  Factors  section of this
Annual Report on Form 10-K and elsewhere herein.  The Company does not undertake
to update any forward-looking statements.

Results of Operations

         Operating  revenues  totaled  $5.3  million  in 1996  compared  to $4.9
million  in 1995 and $6.7  million  in 1994.  Sales of  specialty  chemical  and
pharmaceutical intermediate products increased to $4.9 million in 1996 from $3.8
million in 1995 and $3.6 million in 1994. Collaborative research and development
revenues  were zero,  $1.1  million  and $3.1  million  in 1996,  1995 and 1994,
respectively.  Collaborative  research and development revenues recorded in 1995
represented  revenues  earned pursuant to the Company's  collaboration  with The
Procter & Gamble Company which ended in late 1995.

         Sales of specialty  chemical and pharmaceutical  intermediate  products
increased  each year primarily due to increased  market  penetration of existing
products  and,  to a  lesser  degree,  the  introduction  of new  products.  One
customer, a European  distributor,  accounted for approximately 27%, 21% and 19%
of product  sales  during the years  ended  December  31,  1996,  1995 and 1994,
respectively.  One other  customer  accounted for  approximately  16% and 12% of
product sales during the years ended  December 31, 1995 and 1994,  respectively,
while another  customer  comprised 18% of 1994 product sales.  No other customer
accounted for more than 8% of product sales in 1996. Management does not believe
the  loss of any one  customer  would  have a  material  adverse  affect  on the
Company's  business  as  a  whole.  The  Company  has  historically  experienced
significant  quarterly  fluctuations  in its level of product  sales,  generally
reflecting the timing and degree of customer  demand for certain  products,  and
the Company  anticipates that these sales  fluctuations  will continue in future
periods.

         Costs and  expenses  totaled  $14  million  in 1996  compared  to $23.4
million in 1995 and $23.5 million in 1994. Included in costs and expenses during
1995 and 1994 were charges for  acquired  in-process  research  and  development
totaling  $4.8  million  and $1.9  million,  respectively,  associated  with the
expansion of Genta Jago to obtain rights to develop  additional  GEOMATRIX-based
products. Exclusive of these charges, the Company's costs and expenses decreased
by  approximately  $4.7 million in 1996 relative to 1995  primarily due to lower
research  and  development   expenses  largely  attributable  to  the  Company's
restructuring and related workforce reductions

                                       28

<PAGE>



implemented in 1995 and 1996. These savings in operating expenses were partially
offset by an  aggregate  of  approximately  $850,000  in  non-recurring  charges
recorded during 1996 primarily  related to the Company's  restructuring and work
force reductions. As a result of the aforementioned restructuring and other cost
savings  measures  implemented  during 1995 and 1996,  the  Company  anticipates
further  reductions in the level of its operating  expenses during 1997 relative
to 1996.  However,  the Company  anticipates  that, if sufficient  collaborative
revenues and other funding is available,  research and development  expenses may
increase in future years due to requirements for preclinical  studies,  clinical
trials and increased  regulatory  costs. The Company also anticipates that costs
associated with Anticode marketing activities, if such products are successfully
developed and approved for marketing,  would be the  responsibility of corporate
partners.

         The Company's  equity in net loss of joint venture totaled $2.7 million
in 1996 compared to $6.9 million in 1995 and $7.4 million in 1994.  The decrease
in the Company's  share of Genta Jago's net loss during 1996 relative to 1995 is
largely  attributable  to the fact  that  development  efforts  are now  focused
exclusively  on  GEOMATRIX-based  products and a greater  portion of development
activities  were funded pursuant to Genta Jago's  collaborative  agreements with
third parties.

         Interest  income  has  fluctuated   significantly   each  year  and  is
anticipated  to continue to fluctuate  primarily due to changes in the levels of
cash, investments and interest rates each period.

Liquidity and Capital Resources

         Since inception, the Company has financed its operations primarily from
private and public offerings of its equity securities.  Cash provided from these
offerings  totaled  approximately  $95.4  million  through  December  31,  1996,
including net proceeds of $8.4 million raised during 1996. At December 31, 1996,
the Company had cash,  cash  equivalents  and  short-term  investments  totaling
$532,000  compared to $272,000 at December  31,  1995.  The increase in cash and
cash  equivalents  during  1996 is largely  attributable  to  proceeds  from the
Company's  private  placements,  as  described  in  footnote 8 to the  Company's
consolidated financial statements.

         The Company anticipates that its existing capital resources,  including
$3 million in financing  obtained from the issuance of the Convertible  Notes in
February  1997,  will  enable the  Company to  maintain  its  presently  planned
operations until July, 1997. Management believes that a minimum of approximately
$6.4 million of additional  financing  will be required to sustain the Company's
presently-planned  operations  through  the  end  of  1997  and to  satisfy  the
Company's   obligations   under  the  Convertible   Notes  and  the  Convertible
Debentures.  The Company has been informed,  however, that its common stock will
be delisted  from the Nasdaq  SmallCap  Market unless the Company makes a public
filing with the Securities  and Exchange  Commission and Nasdaq by April 7, 1997
evidencing minimum capital and surplus of at least $6 million. While the Company
believes that it can meet this capital and surplus level by such date, there can
be no  assurance  that  the  Company  will  succeed  in  timely  achieving  this
requirement.  Such  delisting  may have an adverse  effect on the ability of the
Company to attract new  investors.  The Company is actively  seeking  additional
sources of financing and is negotiating with pharmaceutical  companies regarding
collaborative  agreements  and  other  financial  arrangements.  There can be no
assurance,  however, that any such collaborative  agreements or other sources of
funding will be available on favorable terms, if at all. The Company has entered
into a letter of intent with an  investment  banking firm pursuant to which such
firm  confirmed its interest in acting as placement  agent,  on a "best efforts"
basis, of a private placement of preferred stock, convertible notes and warrants
for proceeds of up to $7.5 million (plus an over-allotment  option),  subject to
certain  conditions.  In the Letter of Intent,  this firm  agreed  that,  to the
extent  alternative  financings  were  available at better  timing,  pricing and
terms, the firm would waive its right to conduct the offering. If the Company is
unsuccessful  in raising the  required  funds,  the Company  will be required to
license  or  sell  additional  assets  and  technology,  further  scale  back or
eliminate some or all of its development programs, further reduce its work force
and spending,  and take other measures in order to continue its  operations.  If
such  measures are not  successfully  completed,  the Company may be required to
discontinue its operations. See "Risk Factors -- Need for Additional Funds; Risk
of Insolvency" and "Risk Factors -- Threat of Nasdaq Delisting."

         As described  under Item 5(d) of this Annual  Report on Form 10-K,  the
Aries  Funds,  who  provided $3 million in financing to the Company in February,
1997, have the right to appoint a majority of the members of the

                                       29

<PAGE>



Board of Directors of the Company. As of March 14, 1997, the Aries Funds had not
exercised this right.  However,  should they determine to do so, their designees
may decide to alter the business  strategy,  operations and/or management of the
Company in a manner not contemplated in this Annual Report on Form 10-K.

         In connection with the Genta Jago joint venture formed in late 1992 and
expanded in May 1995, the Company entered into a working capital  agreement with
Genta  Jago which  expires in October  1998.  Pursuant  to this  agreement,  the
Company is  required  to make loans to Genta Jago up to a mutually  agreed  upon
maximum  commitment  amount,  which  amount is  established  by the parties on a
periodic basis.  The Company  anticipates  its working  capital  contribution to
Genta Jago for 1997 will be  $300,000,  as compared to $846,784 in 1996 and $7.7
million  in  1995,  as a  result  of  Genta  Jago's  success  in  entering  into
collaborative  agreements  with third  parties.  As of December  31,  1996,  the
Company had advanced  working  capital loans of  approximately  $15.3 million to
Genta  Jago,  net of  principal  repayments.  Such loans bear  interest  and are
payable in full in October 1998,  or earlier in the event  certain  revenues are
received by Genta Jago from third parties.  There can be no assurance,  however,
that Genta Jago will obtain sufficient  financial  resources to repay such loans
to Genta.  Genta Jago repaid  Genta $1 million of its working  capital  loans in
November 1996 from license fee revenues.  The amount of future loans by Genta to
Genta Jago will  depend upon  several  factors  including  the amount of funding
obtained by Genta Jago through  collaborative  arrangements,  Genta's ability to
provide  loans,  and the timing and cost of Genta  Jago's  preclinical  studies,
clinical trials and regulatory activities.

         Through  December  31,  1996,  the Company  acquired  $10.1  million in
property and equipment of which $5.5 million was financed through capital leases
and other equipment financing arrangements,  $3.3 million was funded in cash and
the remainder was acquired through the Company's acquisition of JBL. In November
1996,  the Company  bought out certain of its capital  leases for  approximately
$1.2 million,  primarily  covering  equipment  used in research and  development
activities at Genta and JBL,  using Company funds which the leasing  company had
on deposit.  This  equipment had an original cost of $4.5 million and a net book
value at buyout of approximately  $850,000. The Company capitalized $1.2 million
as fixed  assets  at the time of the  buyout.  In 1996,  the  Company  also sold
certain of its fixed  assets.  This resulted in a decrease of gross fixed assets
from $9.6  million in 1995 to $6 million in 1996.  The Company  has  commitments
associated  with its notes  payable,  capital  leases  and  operating  leases as
discussed further in Note 7 of the Notes to Consolidated  Financial  Statements.
In particular,  the Company's  equipment  financing  agreement  contains certain
financial  covenants,  the most  significant  of which  required  the Company to
provide  certain  deposits in the event that the Company's  cash and  investment
balances fell below  specified  levels.  As of December 31, 1996 the Company had
$251,000 in security  deposits with an equipment  financing  company pursuant to
the terms of the agreement.

         In October 1996, JBL retained a chemical  consulting  firm to advise it
with  respect to  environmental  compliance  regarding  an  incident of soil and
groundwater   contamination   (the  "Spill")  by  small  quantities  of  certain
chemicals.  The Company believes, based upon information known to date, that the
Spill is  relatively  minor and will not have a material  adverse  effect on the
business of the Company, although there can be no assurance thereof.

         Terms of the Company's  Series A Preferred Stock require the payment of
dividends  annually in amounts ranging from $3 per share per annum for the first
year to $5 per share per annum in the third and fourth  years.  Dividends may be
paid in cash or common stock or a combination  thereof, at the Company's option.
Dividends on the Series A Preferred  Stock  accrue on a daily basis  (whether or
not declared) and shall accumulate to the extent not paid on the annual dividend
payment date  following the dividend  period for which they accrue.  The Company
may redeem the Series A Preferred  Stock under  certain  circumstances,  and was
required to redeem the Series A Preferred Stock,  subject to certain conditions,
in  September  1996 at a  redemption  price of $50 per share,  plus  accrued and
unpaid  dividends  (the  "Redemption  Price").  The  Company  elected to pay the
Redemption Price in common stock. In September 1996, holders of 55,900 shares of
Series A Preferred  Stock  converted such shares and related  accrued  dividends
into 2,423,500 shares of the Company's common stock. The Company is obligated to
use its  reasonable  efforts to arrange for a firm  commitment  underwriting  in
order to redeem the Series A Preferred  Stock.  The Company is  restricted  from
paying  cash  dividends  on  common  stock  until  such  time as all  cumulative
dividends on  outstanding  shares of Series A and Series C Preferred  Stock have
been paid. The Company currently  intends to retain its earnings,  if any, after
payment of  dividends on  outstanding  shares of Series A and Series C Preferred
Stock, for the development of its business. The Company has been unsuccessful to
date in its  efforts to  renegotiate  certain  terms of its  agreement  with the
holders of the Series A Preferred Stock.

                                       30

<PAGE>




         If the Company  successfully secures sufficient levels of collaborative
revenues  and other  sources  of  financing,  it  expects  to incur  substantial
additional  costs,  including costs related to ongoing  research and development
activities,  preclinical testing and clinical trials,  manufacturing activities,
costs associated with the market introduction of potential  products,  expansion
of its administrative activities, and development activities undertaken by Genta
Jago. The Company will need substantial additional funds before it can expect to
realize  significant  product revenue.  The Company anticipates that significant
additional sources of financing,  including equity financings,  will be required
in order for the  Company to  continue  its planned  principal  operations.  The
Company's working capital and additional  funding  requirements will depend upon
numerous factors,  including: (i) the availability of funding; (ii) the progress
of the Company's research and development programs; (iii) the timing and results
of  preclinical  testing  and  clinical  trials;  (iv) the  timing  and costs of
obtaining  regulatory  approvals;  (v) the level of  resources  devoted to Genta
Jago;  (vi) the  level  of  resources  that the  Company  devotes  to sales  and
marketing capabilities;  (vii) technological advances;  (viii) the activities of
competitors;  and (ix) the  ability of the  Company to  establish  and  maintain
collaborative arrangements with others to fund certain research and development,
to  conduct  clinical  trials,  to  obtain  regulatory  approvals  and,  if such
approvals are obtained, to manufacture and market products.

         In the  Company's  Quarterly  Report on Form 10-Q for the period ending
September 30, 1996,  the Company  announced that it intended to sell, and was in
negotiations  with a potential  buyer for,  its JBL  subsidiary.  However,  such
negotiations did not produce an agreement, and the Company is no longer pursuing
its discussions  with the potential  buyer or any other potential  purchasers at
this time.



                                       31

<PAGE>



Item 8.               Financial Statements and Supplemental Data


                      INDEX TO FINANCIAL STATEMENTS COVERED
                       BY REPORTS OF INDEPENDENT AUDITORS
<TABLE>
<CAPTION>

                                                                                                             Page

Genta Incorporated

<S>                                                                                                         <C>
Report of Ernst & Young LLP, Independent Auditors............................................................33

Consolidated Balance Sheets at December 31, 1996 and 1995....................................................34

Consolidated Statements of Operations for each of the three years
   in the period ended December 31, 1996.....................................................................35

Consolidated Statements of Stockholders' Equity for each of the
   three years in the period ended December 31, 1996.........................................................36

Consolidated Statements of Cash Flows for each of the three
   years in the period ended December 31, 1996...............................................................37

Notes to Consolidated Financial Statements...................................................................38



Genta Jago Technologies B.V. (A Development Stage Company)

Report of Ernst & Young LLP, Independent Auditors............................................................50

Balance Sheets at December 31, 1996 and 1995.................................................................51

Statements of Operations for the years ended December 31, 1996, 1995 and 1994, and
   the period from inception (December 15, 1992) through December 31, 1996...................................52

Statement of Stockholders' Equity (Net Capital Deficiency) for the period
   from inception (December 15, 1992) through December 31, 1996..............................................53

Statements of Cash Flows for the years ended December 31, 1996, 1995 and 1994,
   and the period from inception (December 15, 1992) through December 31, 1996...............................54

Notes to Financial Statements................................................................................55

</TABLE>

                                       32

<PAGE>



                REPORT OF ERNST & YOUNG LLP, INDEPENDENT AUDITORS


The Board of Directors and Stockholders
Genta Incorporated

         We have audited the accompanying  consolidated  balance sheets of Genta
Incorporated  as of  December  31, 1996 and 1995,  and the related  consolidated
statements of operations,  stockholders'  equity, and cash flows for each of the
three years in the period ended December 31, 1996.  These  financial  statements
are the  responsibility of the Company's  management.  Our  responsibility is to
express an opinion on these financial statements based on our audits.

         We conducted our audits in accordance with generally  accepted auditing
standards.  Those standards require that we plan and perform the audit to obtain
reasonable assurance about whether the financial statements are free of material
misstatement.  An audit includes examining, on a test basis, evidence supporting
the amounts and disclosures in the financial statements.  An audit also includes
assessing the  accounting  principles  used and  significant  estimates  made by
management,  as well as evaluating the overall financial statement presentation.
We believe that our audits provide a reasonable basis for our opinion.

         In our opinion,  the  financial  statements  referred to above  present
fairly, in all material respects,  the consolidated  financial position of Genta
Incorporated at December 31, 1996 and 1995, and the consolidated  results of its
operations  and its cash flows for each of the three  years in the period  ended
December 31, 1996, in conformity with generally accepted accounting principles.

         As discussed  in Note 1 to the  financial  statements,  the Company has
incurred substantial and continued operating losses since inception and requires
substantial additional sources of financing to fund its operations through 1997.
These conditions raise substantial doubt about the Company's ability to continue
as a going concern.  Management's  plans as to this matter are also described in
Note 1. The 1996 financial  statements do not include any adjustments that might
result from the outcome of this uncertainty.



                                                      ERNST & YOUNG LLP

San Diego, California
February 28, 1997

                                       33

<PAGE>



                               GENTA INCORPORATED
                          CONSOLIDATED BALANCE SHEETS

<TABLE>
<CAPTION>

                                                                                           DECEMBER 31,
                                                                            -----------------------------------------
                                  ASSETS                                          1996                   1995
                                                                            ------------------    -------------------

Current assets:
<S>                                                                                 <C>                    <C>     
   Cash and cash equivalents                                                         $532,013               $271,755
   Receivable from sale of preferred stock                                                  -              2,785,800
   Trade accounts receivable                                                          602,696                471,296
   Notes receivable from officers and employees                                        62,000                362,000
   Inventories                                                                        992,243                702,644
   Other current assets                                                               185,164                151,923
                                                                            ------------------    -------------------
Total current assets                                                                2,374,116              4,745,418
                                                                            ------------------    -------------------
Property and equipment, net                                                         3,634,281              4,656,955
Investment in and advances to joint venture                                                 -                258,896
Intangibles, net                                                                    4,022,242              3,577,654
Other assets, net                                                                   1,138,745              2,392,220
                                                                            ------------------    -------------------
                                                                                  $11,169,384            $15,631,143
                                                                            ==================    ===================

                   LIABILITIES AND STOCKHOLDERS' EQUITY

Current liabilities:
   Accounts payable                                                                $1,481,521             $2,260,495
   Accrued payroll and related expenses                                               782,280                628,750
   Other accrued expenses                                                           1,229,845              1,407,748
   Deferred revenue                                                                   193,121                148,532
   Short-term notes payable                                                           350,000                760,000
   Current portion of notes payable and
      capital lease obligations                                                       291,842              1,120,013
                                                                            ------------------    -------------------
Total current liabilities                                                           4,328,609              6,325,538
                                                                            ------------------    -------------------
Capital lease obligations, less current portion                                        30,652                896,465
Notes payable, less current portion                                                 1,129,388              1,437,481
Deficit in Joint Venture                                                            1,606,503                      -
Commitments and contingencies                                                               -                      -
Stockholders' equity:
   Preferred stock;  5,000,000 shares authorized,  convertible  preferred shares
   outstanding:
      Series A preferred  stock,  $.001 par value;  528,100  and 600,000  shares
         issued and outstanding at December 31, 1996 and 1995,
         respectively, liquidation value is $29,786,307 at December 31, 1996              528                    600
      Series B  preferred  stock,  $.001 par value;  no shares and 3,000  shares
         issued and outstanding at December 31, 1996 and 1995,
         respectively.                                                                      -                      3
      Series C convertible preferred stock, $.001 par value; 1,424 and no
        shares issued and outstanding at December 31, 1996 and
        1995, respectively, liquidation value is $1,468,822 at
        December 31, 1996.                                                                  1                      -
   Common stock,  $.001 par value;  150,000,000  shares  authorized,  39,991,626
       shares and 23,963,534 shares issued and
      outstanding at December 31, 1996 and 1995, respectively                          39,992                 23,964
   Additional paid-in capital                                                     108,787,562            102,374,105
   Accumulated deficit                                                           (108,375,407)           (96,949,625)
   Accrued dividends payable                                                        3,671,532              1,572,588
   Notes receivable from stockholders                                                 (49,976)               (49,976)
                                                                            ------------------    -------------------
Total stockholders' equity                                                          4,074,232              6,971,659
                                                                            ------------------    -------------------
                                                                                  $11,169,384            $15,631,143
                                                                            ==================    ===================
</TABLE>


                             See Acompanying Notes

                                       34

<PAGE>


                               GENTA INCORPORATED
                     CONSOLIDATED STATEMENTS OF OPERATIONS
<TABLE>
<CAPTION>


                                                         YEARS ENDED DECEMBER 31,
                                           -------------------------------------------------------------
                                                 1996                  1995                 1994
                                           -----------------     -----------------    ------------------

Revenues:
<S>                                              <C>                   <C>                   <C>       
   Product sales                                 $4,924,694            $3,781,983            $3,573,701
   Gain on sale of technology                       373,261                     -                     -
   Collaborative research
     and development                                      -             1,125,000             3,141,688
                                           -----------------     -----------------    ------------------
                                                  5,297,955             4,906,983             6,715,389
                                           -----------------     -----------------    ------------------

Cost and expenses:
   Cost of products sold                          2,479,337             1,899,216             1,709,762
   Research and development                       5,833,697            11,277,238            13,533,600
   Charge for acquired in-process
      research and development                            -             4,762,000             1,850,000
   Selling, general and administrative            5,638,750             5,438,307             6,376,390
                                           -----------------     -----------------    ------------------
                                                 13,951,784            23,376,761            23,469,752
                                           -----------------     -----------------    ------------------
Loss from operations                             (8,653,829)          (18,469,778)          (16,754,363)
Equity in net loss of joint venture              (2,712,183)           (6,913,180)           (7,424,828)
Other income (expense):
   Interest income                                  159,165               348,470             1,014,213
   Interest expense                                (218,935)             (331,226)             (283,530)
                                           -----------------     -----------------    ------------------
Net loss                                       $(11,425,782)         $(25,365,714)         $(23,448,508)
Dividends on preferred stock                     (2,524,701)           (2,551,726)           (2,550,000)
                                           -----------------     -----------------    ------------------
Net loss applicable to common shares           $(13,950,483)         $(27,917,440)         $(25,998,508)
                                           =================     =================    ==================
Net loss per common share                             $(.47)               $(1.43)               $(1.90)
                                           =================     =================    ==================
Shares used in computing net
  loss per common share                          29,834,491            19,518,616            13,709,611
                                           =================     =================    ==================
</TABLE>


                             See Acompanying Notes

                                       35

<PAGE>


                               GENTA INCORPORATED
                CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY
       FOR EACH OF THE THREE YEARS IN THE PERIOD ENDED DECEMBER 31, 1996
<TABLE>
<CAPTION>



                                                    CONVERTIBLE PREFERRED                                            
                                                           STOCK                       COMMON STOCK             ADDITIONAL
                                                    ------------------------   -----------------------------      PAID-IN   
                                                      SHARES       AMOUNT       SHARES           AMOUNT           CAPITAL        
                                                    ------------   --------   --------------   ------------   ---------------  

<S>                                                  <C>             <C>        <C>                <C>           <C>          
BALANCE AT DECEMBER 31, 1993                            600,000         600      13,648,972         13,649        86,525,495   
   Issuance of common stock on exercise
      of options                                              -           -           3,306              3             9,847   
   Issuance of common stock as dividend                                                                                        
      on preferred stock                                      -           -         222,986            223         1,799,274   
   Dividends accrued on preferred stock                       -           -               -              -       (2,550,000)   
   Amortization of deferred compensation                      -           -               -              -                 -   
   Net loss                                                   -           -               -              -                 -   
                                                    ------------   --------   --------------   ------------   ---------------  
BALANCE AT DECEMBER 31, 1994                            600,000         600      13,875,264         13,875        85,784,616   
   Issuance of common stock                                   -           -       5,734,409          5,735         9,159,542   
   Issuance of common stock upon
      conversion of promissory notes                          -           -       1,777,903          1,778         3,020,660   
   Issuance of common stock for acquired in-process
      research and development                                -           -       1,240,000          1,240         1,610,760   
   Issuance of Series B convertible preferred
      stock                                               3,000           3               -              -         2,774,897   
   Issuance of warrants to purchase common stock              -           -               -              -           173,118   
   Issuance of common stock on exercise
      of options                                              -           -           7,324              7             3,655   
   Issuance of common stock as dividend
      on preferred stock                                      -           -       1,328,634          1,329         2,398,583   
   Dividends accrued on preferred stock                       -           -               -              -       (2,551,726)   
   Repayment of notes receivable from
      stockholders                                            -           -               -              -                 -   
   Amortization of deferred compensation                      -           -               -              -                 -   
   Net loss                                                   -           -               -              -                 -   
                                                    ------------   --------   --------------   ------------   ---------------  
BALANCE AT DECEMBER 31, 1995                            603,000         603      23,963,534         23,964       102,374,105   
   Issuance of Series C convertible preferred
      stock                                               6,000           6               -              -         5,492,633   
   Issuance of Series C convertible preferred
      stock on conversion of promissory notes             1,044           1               -              -         1,044,000   
   Issuance of common stock upon conversion
      of Series A convertible preferred stock          (71,900)        (72)       2,554,458          2,555           324,538   
   Issuance of common stock upon conversion
      of Series B convertible preferred stock           (3,000)         (3)       2,269,425          2,269            31,741   
   Issuance of common stock upon conversion
      of Series C convertible preferred stock           (5,620)         (6)       5,247,489          5,247            59,488   
   Issuance of common stock upon
      conversion of convertible debentures                    -           -       5,877,899          5,878         1,592,721   
   Issuance of warrants to purchase common stock              -           -               -              -           221,543   
      for patent legal services
   Issuance of common stock on exercise
      of options                                              -           -          78,821             79           171,494   
   Dividends accrued on preferred stock                       -           -               -              -       (2,524,701)   
   Net loss                                                   -           -               -              -                 -   
                                                    ============   ========   ==============   ============   ===============  
BALANCE AT DECEMBER 31, 1996                            529,524        $529      39,991,626        $39,992      $108,787,562   
                                                    ============   ========   ==============   ============   ===============  

<PAGE>
                               GENTA INCORPORATED
                CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY
       FOR EACH OF THE THREE YEARS IN THE PERIOD ENDED DECEMBER 31, 1996



<CAPTION>
                                                                          ACCRUED              NOTES                          
                                                    ACCUMULATED        DIVIDENDS ON      RECEIVABLE FROM       DEFERRED       
                                                      DEFICIT        PREFERRED STOCK      STOCKHOLDERS       COMPENSATION     
                                                   ---------------   ----------------   ----------------   ----------------

<S>                                                  <C>                  <C>                  <C>              <C>          
BALANCE AT DECEMBER 31, 1993                         (48,135,403)            670,862            (74,726)         (265,730)    
   Issuance of common stock on exercise
      of options                                                -                  -                  -                 -     
   Issuance of common stock as dividend                         -                  -
      on preferred stock                                        -         (1,800,000)                 -                 -     
   Dividends accrued on preferred stock                         -          2,550,000                  -                 -     
   Amortization of deferred compensation                        -                  -                  -           200,894     
   Net loss                                          (23,448,508)                  -                  -                 -     
                                                   ---------------   ----------------   ---------------       -------------
BALANCE AT DECEMBER 31, 1994                         (71,583,911)          1,420,862            (74,726)          (64,836)     
   Issuance of common stock                                     -                  -                  -                 -     
   Issuance of common stock upon
      conversion of promissory notes                            -                  -                  -                 -     
   Issuance of common stock for acquired in-process
      research and development                                  -                  -                  -                 -     
   Issuance of Series B convertible preferred
      stock                                                     -                  -                  -                 -     
   Issuance of warrants to purchase common stock                -                  -                  -                 -     
   Issuance of common stock on exercise
      of options                                                -                  -                  -                 -     
   Issuance of common stock as dividend
      on preferred stock                                        -         (2,400,000)                 -                 -     
   Dividends accrued on preferred stock                         -          2,551,726                  -                 -     
   Repayment of notes receivable from
      stockholders                                              -                  -             24,750                 -     
   Amortization of deferred compensation                        -                  -                  -            64,836     
   Net loss                                          (25,365,714)                  -                  -                 -     
                                                   ---------------   ----------------   ----------------   ----------------
BALANCE AT DECEMBER 31, 1995                         (96,949,625)          1,572,588            (49,976)                -     
   Issuance of Series C convertible preferred
      stock                                                     -                  -                  -                 -     
   Issuance of Series C convertible preferred
      stock on conversion of promissory notes                   -                  -                  -                 -     
   Issuance of common stock upon conversion
      of Series A convertible preferred stock                   -           (327,021)                 -                 -     
   Issuance of common stock upon conversion
      of Series B convertible preferred stock                   -            (34,007)                 -                 -     
   Issuance of common stock upon conversion
      of Series C convertible preferred stock                   -            (64,729)                 -                 -     
   Issuance of common stock upon
      conversion of convertible debentures                      -                  -                  -                 -     
   Issuance of warrants to purchase common stock                -                  -                  -                 -     
      for patent legal services
   Issuance of common stock on exercise
      of options                                                -                  -                  -                 -     
   Dividends accrued on preferred stock                         -          2,524,701                  -                 -     
   Net loss                                           (11,425,782)                 -                  -                 -     
                                                   ===============   ================   ================   ================
BALANCE AT DECEMBER 31, 1996                        $(108,375,407)        $3,671,532           $(49,976)       $        -     
                                                   ===============   ================   ================   ================



<PAGE>
                               GENTA INCORPORATED
                CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY
       FOR EACH OF THE THREE YEARS IN THE PERIOD ENDED DECEMBER 31, 1996

<CAPTION>

                                                           TOTAL
                                                      STOCKHOLDERS'
                                                          EQUITY
                                                     ---------------
<S>                                                     <C>
BALANCE AT DECEMBER 31, 1993                             38,734,747
   Issuance of common stock on exercise
      of options                                              9,850
   Issuance of common stock as dividend            
      on preferred stock                                       (503)
   Dividends accrued on preferred stock                           -
   Amortization of deferred compensation                    200,894
   Net loss                                             (23,448,508)
                                                     ---------------
BALANCE AT DECEMBER 31, 1994                             15,496,480
   Issuance of common stock                               9,165,277
   Issuance of common stock upon
      conversion of promissory notes                      3,022,438
   Issuance of common stock for acquired in-process
      research and development                            1,612,000
   Issuance of Series B convertible preferred
      stock                                               2,774,900
   Issuance of warrants to purchase common stock            173,118
   Issuance of common stock on exercise
      of options                                              3,662
   Issuance of common stock as dividend
      on preferred stock                                        (88)
   Dividends accrued on preferred stock                           -
   Repayment of notes receivable from
      stockholders                                           24,750
   Amortization of deferred compensation                     64,836
   Net loss                                             (25,365,714)
                                                     ---------------
BALANCE AT DECEMBER 31, 1995                              6,971,659
   Issuance of Series C convertible preferred
      stock                                               5,492,639
   Issuance of Series C convertible preferred
      stock on conversion of promissory notes             1,044,001
   Issuance of common stock upon conversion
      of Series A convertible preferred stock                     -
   Issuance of common stock upon conversion
      of Series B convertible preferred stock                     -
   Issuance of common stock upon conversion
      of Series C convertible preferred stock                     -
   Issuance of common stock upon
      conversion of convertible debentures                1,598,599
   Issuance of warrants to purchase common stock            221,543
      for patent legal services
   Issuance of common stock on exercise
      of options                                            171,573
   Dividends accrued on preferred stock                           -
   Net loss                                             (11,425,782)
                                                     ===============
BALANCE AT DECEMBER 31, 1996                             $4,074,232
                                                     ===============

</TABLE>

                             See Accompanying Notes

                                       36

<PAGE>



                               Genta Incorporated
                      CONSOLIDATED STATEMENTS OF CASH FLOWS


<TABLE>
<CAPTION>

                                                                             YEARS ENDED
                                                                             DECEMBER 31,
                                                      -----------------------------------------------------------
                                                            1996                 1995                 1994
                                                      ------------------   ------------------   -----------------
OPERATING ACTIVITIES
<S>                                                       <C>                  <C>                 <C>          
Net loss                                                   $(11,425,782)        $(25,365,714)       $(23,448,508)
Items reflected in net loss not requiring cash:
   Depreciation and amortization                              1,518,142            1,761,530           1,704,281
   Equity in net loss of joint venture                        2,712,183            6,913,180           7,424,828
   Charge for acquired in-process
      research and development and other                              -            3,807,556                   -
   Changes in operating assets and liabilities:
      Accounts and notes receivable                             168,600              294,012            (307,444)
      Inventories                                              (289,599)             106,909              36,564
      Other current assets                                      (33,241)             366,790             (83,360)
      Accounts payable, accrued expenses and other             (803,347)             467,738             931,835
      Deferred revenue                                           44,589             (976,468)           (141,688)
                                                      ------------------   ------------------   -----------------
Net cash used in operating activities                        (8,108,455)         (12,624,467)        (13,883,492)
INVESTING ACTIVITIES
Purchase of short-term investments                           (1,497,775)                    -        (10,935,406)
Maturities of short-term investments                          1,497,775            3,843,685          24,739,731
Purchase of property and equipment                             (115,922)            (778,964)         (1,264,168)
Investment in and advances to joint venture                    (846,784)          (7,722,255)         (6,749,298)
Deposits and other                                              642,654           (2,021,908)         (1,291,977)
                                                      ------------------   ------------------   -----------------
Net cash provided by (used in) investing activities            (320,052)          (6,679,442)          4,498,882
FINANCING ACTIVITIES
Proceeds from notes payable                                   2,176,500            4,877,471             757,456
Repayments of notes payable and capital leases               (1,948,438)          (1,743,728)         (1,069,289)
Proceeds from issuance of preferred stock, net                8,267,539                    -                   -
Proceeds from issuance of common stock, net                     171,573            9,168,939               9,850
Other                                                            21,591               13,762                (503)
                                                      ------------------   ------------------   -----------------
Net cash provided by (used in) financing activities           8,688,765           12,316,444            (302,486)
                                                      ------------------   ------------------   -----------------
Increase (decrease) in cash and cash equivalents                260,258           (6,987,465)         (9,687,096)
Cash and cash equivalents at beginning of year                  271,755            7,259,220          16,946,316
                                                      ------------------   ------------------   -----------------
Cash and cash equivalents at end of year                       $532,013             $271,755          $7,259,220
                                                      ==================   ==================   =================
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION:
Interest paid                                                  $225,186             $298,432            $283,530
SUPPLEMENTAL SCHEDULE OF NONCASH INVESTING AND
  FINANCING ACTIVITIES:
Capital lease obligations
   entered into for equipment                                         -              622,746           1,182,015
Preferred stock dividends accrued                             2,524,701            2,551,726           2,550,000
Common stock issued in payment of dividends
   on preferred stock                                           425,757            2,399,912           1,799,497
Common stock issued upon conversion of notes
  payable and accrued interest                                1,044,001            3,022,438                   -
Preferred stock issued for receivable                                 -            2,774,900                   -
Common Stock issued upon conversion of
   convertible debentures                                     1,598,599                    -                   -
Exercise of buyout option for equipment under
    capital lease obligation in exchange for deposits         1,200,000                    -                   -
</TABLE>


                             See Accompanying Notes

                                       37

<PAGE>



                               Genta Incorporated
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

1.  Organization and Significant Accounting Policies

       Organization and Business

         Genta   Incorporated   ("Genta"  or  the   "Company")  is  an  emerging
biopharmaceutical   company   engaged  in  the  development  of  a  pipeline  of
pharmaceutical  products.  The near to mid-term segment of this product pipeline
consists of oral controlled-release  drugs being developed by the Company's drug
delivery joint venture with Jagotec AG ("Jagotec"), Genta Jago Technologies B.V.
("Genta Jago").  The Company's  longer-term  research efforts are focused on the
development   of   proprietary   Anticode(TM)    oligonucleotide    ("Anticode")
pharmaceuticals  intended to block or regulate the production of disease-related
proteins  by acting at the genetic  level.  The Company  also  manufactures  and
markets specialty  biochemical and pharmaceutical  intermediate products through
its manufacturing subsidiary, JBL Scientific, Inc. ("JBL").

       Basis of Presentation

         The accompanying  financial statements have been prepared assuming that
the Company will continue as a going  concern.  The Company is actively  seeking
collaborative  agreements,  additional  equity  financing  and  other  financing
arrangements with potential corporate partners and other sources. However, there
can be no assurance that any such  collaborative  agreements or other sources of
funding will be available  on  favorable  terms,  if at all. The Company is also
considering  the  licensing  or sale of certain  of its  assets and  technology,
delaying  or  curtailing  of  certain  of  its  development  programs,   further
reductions in workforce and spending or other  measures in order to continue its
operations.  The 1996 financial  statements do not include any adjustments  that
might result from the outcome of this uncertainty.

       Principles of Consolidation

         The  consolidated  financial  statements  include  the  accounts of the
Company and its wholly owned subsidiaries, JBL and Genta Pharmaceuticals Europe,
S.A.,  the  Company's  European  subsidiary  based in  Marseilles,  France.  All
significant  intercompany  accounts and  transactions  have been  eliminated  in
consolidation.

       Investment in Joint Venture

         The Company has a 50%  ownership  interest  in a joint  venture,  Genta
Jago, a Netherlands  corporation.  The  investment in joint venture is accounted
for under the equity method (Note 5).

       Use of Estimates

         The  preparation of financial  statements in conformity  with generally
accepted  accounting  principles  requires  management  to  make  estimates  and
assumptions  that affect the amounts  reported in the financial  statements  and
disclosures made in the accompanying notes to the financial  statements.  Actual
results could differ from those estimates.

       Revenue Recognition and Major Customers

         Revenue from product sales is recognized upon shipment. One customer, a
European  distributor,  accounted for approximately  27%, 21% and 19% of product
sales during the years ended December 31, 1996, 1995 and 1994, respectively. One
other customer  accounted for  approximately 16% and 12% of product sales during
the years ended December 31, 1995 and 1994, respectively, while another customer
comprised 18% of 1994 product sales.  No other customer  accounted for more than
8% of product sales in 1996. Collaborative research and development revenues are
recorded as earned,  generally ratably,  as research and development  activities
are performed under the terms of

                                       38

<PAGE>



the contracts.  Payments received in excess of amounts earned are deferred.  See
Note 9 for major collaborative research and development arrangements.

       Cash and Cash Equivalents

         Cash and cash  equivalents  consist of cash,  money market  funds,  and
other highly  liquid  investments  with  maturities of three months or less when
purchased. The carrying value of these instruments approximates fair value.

       Concentration of Credit Risk

         The Company  generally  invests its excess cash in high credit  quality
debt  instruments  of  corporations  and financial  institutions,  and in United
States government  securities.  Such investments are made in accordance with the
Company's   investment  policy,   which  establishes   guidelines   relative  to
diversification and maturities designed to maintain safety and liquidity.  These
guidelines are periodically reviewed and modified to take advantage of trends in
yields and interest  rates.  The Company has not  experienced  any losses on its
cash equivalents or short-term investments.

         The Company markets its specialty biochemical and intermediate products
to the pharmaceutical and diagnostic  industries.  Generally,  collateral is not
required on the  Company's  sales.  Credit  losses have been  insignificant  and
within management's expectations.

       Inventories

         Inventories  are stated at the lower of cost  (first-in,  first-out) or
market.

       Property and Equipment

         Property  and  equipment  is  stated at cost and  depreciated  over the
estimated useful lives of the assets using the straight-line  method.  Leasehold
improvements  are stated at cost and amortized over the shorter of the estimated
useful lives of the assets or the lease term.  Amortization  of equipment  under
capital leases is reported with depreciation of property and equipment.

       Intangible Assets

         Intangible assets, consisting primarily of capitalized patent costs and
purchased  proprietary  technology,  are amortized using the straight line basis
over a term of 5-17 years for issued patents, 14 years for purchased proprietary
technology and 5-7 years for organizational and other amortizable costs.

       Asset Impairment

         In March 1995,  the FASB issued  Statement No. 121,  Accounting for the
Impairment of  Long-Lived  Assets and for  Long-Lived  Assets to Be Disposed Of,
which  requires  impairment  losses to be recorded on long-lived  assets used in
operations when indicators of impairment are present and the  undiscounted  cash
flows  estimated  to be  generated  by those  assets  are less than the  assets'
carrying amounts. Statement No. 121 also addresses the accounting for long-lived
assets that are expected to be disposed of. There was no affect on the financial
statements from the adoption of Statement No. 121.

       Employee Stock Options

         The Company has elected to follow  Accounting  Principles Board Opinion
No.  25,  "Accounting  for  Stock  Issued  to  Employees"  (APB 25) and  related
Interpretations  in  accounting  for its employee  stock  options  because,  the
alternative  fair value  accounting  provided  for under  Statement of Financial
Accounting  Standards No. 123,  "Accounting for Stock-Based  Compensation" (SFAS
123), requires use of option valuation models that were not developed for use in
valuing  employee stock options.  Under SFAS No. 123,  deferred  compensation is
recorded for

                                       39

<PAGE>



the excess of the fair value of the stock on the date of the option grant,  over
the exercise price of the option.  The deferred  compensation  is amortized over
the vesting period of the option.

         Net Loss Per Common Share

         Net loss per common share is computed using the weighted average number
of common  shares  outstanding  during each  period.  Shares  issuable  upon the
exercise of  outstanding  stock options and warrants and upon the  conversion of
convertible preferred stock are not reflected as their effect is anti-dilutive.

2.  Inventories
<TABLE>
<CAPTION>

     Inventories are comprised of the following:
                                                                              December 31,
                                                                        -----------------------
                                                                         1996              1995
                                                                        ------             ----

<S>                                                                  <C>              <C>        
     Raw materials and supplies.................................     $   342,875      $   280,621
     Work-in-process............................................         272,259          162,097
     Finished goods.............................................         377,109          259,926
                                                                     -----------      -----------
                                                                     $   992,243      $   702,644
                                                                     ===========      ===========

3.  Property and Equipment

     Property and equipment is comprised of the following:
                                                                              December 31,
                                                                        -----------------------
                                                                         1996              1995
                                                                        ------             ----

     Equipment..................................................   $   4,093,563     $  7,719,863
     Leasehold improvements.....................................       1,128,520        1,385,041
     Furniture and fixtures.....................................         105,318          116,161
     Construction in progress...................................         624,167          359,273
                                                                   -------------     ------------
                                                                       5,951,568        9,580,338
     Less accumulated depreciation and amortization.............      (2,317,287)      (4,923,383)
                                                                   -------------     ------------
                                                                   $   3,634,281     $  4,656,955
                                                                   =============     ============
</TABLE>

         Included in property and  equipment  at December 31, 1996 and 1995,  is
equipment   under  capital  leases   aggregating   $200,000  and  $4.7  million,
respectively,  all of which is pledged as  security  pursuant  to the  Company's
capital lease agreements. Accumulated amortization with respect to the equipment
under  capital  leases  totaled  $80,000 and $3 million at December 31, 1996 and
1995, respectively.

4.  Notes Receivable from Officers and Employees

         Notes  receivable  consist of loans made to officers  and  employees to
facilitate  their   relocation.   Such  loans  are  generally  secured  by  each
individual's residence.

5.  Genta Jago Joint Venture

         In December 1992, the Company and Jagotec, a subsidiary of Jago Holding
AG which was  acquired by  SkyePharma  in May 1996,  formed  Genta Jago, a 50/50
joint  venture to develop and  commercialize  products in six major  therapeutic
areas. Under the arrangement, Jagotec granted Genta Jago an exclusive license to
its  GEOMATRIX  oral  controlled-release  technology  for  the  development  and
commercialization  of  approximately  25 specified  products.  In May 1995,  the
parties  entered  into an agreement to expand Genta Jago by adding the rights to
develop and  commercialize  an  additional  35 products.  With these  additional
products,  Genta Jago now  maintains  the  rights to develop  controlled-release
formulations of approximately 60 products using Jagotec's GEOMATRIX  technology.
Under the agreement,  Genta Jago also acquired certain manufacturing rights with
respect to such  products.  In connection  with the expansion of Genta Jago, the
parties elected to focus Genta Jago's activities

                                       40

<PAGE>



exclusively on GEOMATRIX-based products and, as a result, Genta Jago returned to
Genta in May 1995 the right to develop six Anticode products licensed from Genta
in 1992.

         In  connection  with the  formation of Genta Jago,  the Company made an
initial capital  contribution  of $4 million to Genta Jago and issued  1,200,000
unregistered  shares of Genta's  common  stock to Jagotec and an  affiliate.  To
obtain the  additional  product and  manufacturing  rights  during  1995,  Genta
applied  $5  million  in  option  and  related  fees  paid  to  Jagotec  and its
affiliates, of which $3.85 million was paid during 1994 (including $1.85 million
of  non-refundable  fees charged to expense  during 1994) and $1.15  million was
paid during the first  quarter of 1995.  The Company  also issued an  additional
1.24  million  unregistered  shares of Genta's  common  stock to an affiliate of
Jagotec in May 1995.  The  Company  recorded a charge  for  acquired  in-process
research and  development  of $4.8 million  during 1995  consisting  of the fair
value of the 1.24  million  shares of common stock  issued  ($1.6  million),  $2
million of  refundable  option fees paid during 1994,  and the $1.15  million in
fees paid  during the first  quarter  of 1995.  Genta  Jago is  required  to pay
certain  additional  fees to Jagotec upon Genta Jago's  receipt of revenues from
third parties, and pay manufacturing royalties to Jagotec.

         The Company is also required to provide loans to Genta Jago pursuant to
a working  capital  agreement  which  expires  in  October  1998.  The loans are
advanced up to a mutually agreed upon maximum commitment amount, which amount is
established by the parties on a periodic  basis. In connection with Genta Jago's
return of the Anticode  license rights to Genta in May 1995, the working capital
loan payable by Genta Jago to Genta was credited  with a principal  reduction of
approximately  $4.4 million.  As of December 31, 1996,  the Company had advanced
working  capital  loans of  approximately  $15.3  million to Genta Jago,  net of
principal repayments and the aforementioned credit, which amount fully satisfied
the loan commitment  established by the parties through  December 31, 1996. Such
loans bear  interest and are payable in full in October  1998, or earlier in the
event certain revenues are received by Genta Jago from third parties.  There can
be no assurance,  however,  that Genta Jago will obtain the necessary  financial
resources to repay such loans to Genta.  The Company has recorded  substantially
all of the net losses  incurred by Genta Jago  (excluding  certain  intercompany
transactions) as a reduction of the Company's investment in joint venture.

         Under terms of the joint venture,  Genta Jago has  contracted  with the
Company to conduct  research and development and provide certain other services.
Revenues associated with providing such services, totaling $1.6 million in 1996,
$2.7 million in 1995, and $2.9 million in 1994, are recorded by the Company as a
reduction of the related research and development and general and administrative
expenses.  Terms of the arrangement also grant the Company an option to purchase
Jagotec's interest in Genta Jago exercisable from December 1998 through 2000.
   
         Genta Jago  entered  into  collaborative  development  agreements  with
Gensia, Inc.,  Apothecon,  Inc., a subsidiary of Bristol-Myers  Squibb Co., and
Krypton,  Ltd., a subsidiary of SkyePharma,  during January 1993, March 1996 and
October  1996,  respectively.  In October  1996,  SkyePharma  signed a letter of
intent with Gensia,  Inc. and  Boehringer  Mannheim Corp.  whereby  Brightstone,
SkyePharma's  United States subsidiary,  will assume rights to develop Procardia
XL(R) in collaboration with Boehringer Mannheim. Such agreements provide funding
to  Genta  Jago  for  the   development   and   clinical   testing  of  selected
controlled-release  pharmaceuticals in addition to potential  milestone payments
and royalties on future product sales.
    

                                       41

<PAGE>



Condensed  financial  information for Genta Jago  Technologies B.V. is set forth
below.
<TABLE>
<CAPTION>

                                                                                    December 31,
                                                                                -------------------
                                                                                1996           1995
                                                                                ----           ----
<S>                                                                     <C>               <C> 
Balance Sheets Data:
   Advance contract payments to related parties......................    $           -    $    1,539,000
   Receivables under collaboration agreements........................          904,000                 -
   Other current assets..............................................          142,000           245,000
                                                                         -------------    --------------
   Total current assets..............................................        1,046,000         1,784,000
   Other assets......................................................           11,000            12,000
                                                                         -------------    --------------
                                                                         $   1,057,000    $    1,796,000
                                                                         =============    ==============

   Current liabilities...............................................    $   3,053,000    $    1,360,000
   Notes payable to Genta Incorporated...............................       15,287,000        13,787,000
   Net capital deficiency............................................      (17,283,000)      (13,351,000)
                                                                         -------------    --------------
                                                                         $   1,057,000    $    1,796,000
                                                                         =============    ==============
</TABLE>


<TABLE>
<CAPTION>
                                                                                    Years ended December 31,
                                                                             -----------------------------------
                                                                             1996            1995           1994
                                                                             ----            ----           ----
<S>                                                                     <C>              <C>              <C>          
Statements of Operations Data:
   Collaborative research and development revenues...................   $   5,477,000    $  2,968,000     $   5,285,000
   Costs and expenses................................................       8,453,000      10,336,000        13,338,000
                                                                          ------------    ------------     -------------
   Loss from operations..............................................      (2,976,000)     (7,368,000)       (8,053,000)
   Gain on waiver of debt in exchange for return of
      license rights to related party................................               -       4,703,000                 -
   Interest expense..................................................        (956,000)       (746,000)         (298,000)
                                                                        --------------  --------------    --------------
   Net loss..........................................................   $  (3,932,000)  $  (3,411,000)    $  (8,351,000)
                                                                        ==============  ==============    ==============
</TABLE>


6.  Intangibles

     Intangibles consist of the following:
<TABLE>
<CAPTION>

                                                                                           December 31,
                                                                                      ----------------------
                                                                                       1996             1995
                                                                                      -----             ----

<S>                                                                               <C>                <C>           
     Purchased proprietary technology..................................           $   1,747,082      $    1,747,082
     Patent and patent applications....................................               2,964,193           2,356,556
     Organizational and other amortizable costs........................                 414,521             428,773
                                                                                  -------------      --------------
                                                                                      5,125,796           4,532,411
     Less accumulated amortization.....................................              (1,103,554)           (954,757)
                                                                                  -------------      --------------
     Net intangible assets.............................................           $   4,022,242      $    3,577,654
                                                                                  =============      ==============
</TABLE>



                                                       42

<PAGE>



7.  Notes Payable and Leases

     Notes payable consist of the following:
<TABLE>
<CAPTION>

                                                                                           December 31,
                                                                                        ---------------------
                                                                                         1996            1995
                                                                                        -----            ----

<S>                                                                                 <C>                <C>
        Note payable with  interest at 12.63%,  due in monthly  installments  of
          $22,407, secured by equipment with a net book value of approximately
          $703,000 and security deposit of $251,000..............................   $     328,367      $     540,955

        Research financing obligation payable to a French governmental
          agency, non-interest bearing, maturing through 2003....................       1,040,462          1,101,103

        Other....................................................................           7,435             16,584
                                                                                    -------------      -------------
                                                                                        1,376,264          1,658,642
        Less current portion.....................................................        (246,876)          (221,161)
                                                                                    -------------      -------------
                                                                                    $   1,129,388      $   1,437,481
                                                                                    =============      =============
</TABLE>

         During 1995,  the Company  obtained  $1,100,000 in financing aid from a
French  governmental  agency  to be  used  to fund  certain  of its  development
programs. The aggregate principal maturities of notes payable for the years 1997
through  2001  are  $247,000,   $185,000,   $154,000,  $193,000,  and  $385,000,
respectively and $212,000 thereafter.

         The Company leases its facilities under operating leases that generally
provide for annual cost of living  related  increases.  The JBL  facilities  are
leased from its prior owners,  who include a director,  an executive officer and
other  stockholders of the Company.  Certain equipment is leased under operating
and capital leases. The Company's equipment financing agreements contain certain
financial  covenants,  the most  significant  of which  required  the Company to
provide  certain  deposits in the event that the Company's  cash and  investment
balances fell below specified  levels.  Included in other assets at December 31,
1996  and  1995  was  $251,000  and  $1.6  million  in cash  deposits  primarily
associated with the Company's  equipment  financing  agreements.  Minimum future
obligations  under both operating and capital leases at December 31, 1996 are as
follows:
<TABLE>
<CAPTION>

                                                                  Operating leases
                                                             -------------------------
                                                               Related                         Capital
                                                               parties         Others          leases
                                                             ----------       --------        ---------
<S>                                                        <C>             <C>               <C>        
     1997.............................................     $    389,000    $     447,000     $    48,000
     1998.............................................          408,000           99,000          31,000
     1999.............................................          429,000           99,000           1,000
     2000.............................................          188,000           99,000             ---
     2001.............................................              ---           99,000             ---
     Thereafter.......................................              ---          198,000             ---
                                                           ------------    -------------     -----------
     Total future minimum lease payments..............     $  1,414,000    $   1,041,000          80,000
                                                           ============    =============
     Less amount representing interest................                                            (4,000)
                                                                                             ------------
     Present value of future minimum lease payments...                                            76,000
     Less current portion.............................                                           (45,000)
                                                                                             ------------
     Long-term portion................................                                       $    31,000
                                                                                             ============
</TABLE>

         Total rent expense under operating  leases for the years ended December
31,  1996,   1995  and  1994  was   $1,043,000,   $1,117,000,   and  $1,090,000,
respectively.



                                       43

<PAGE>



8.  Stockholders' Equity

       Subsequent Event

         In February  1997, the company raised gross proceeds of $3 million in a
private placement of Senior Secured  Convertible  Bridge Notes (the "Convertible
Notes")  that bear  interest  at 12% per annum and mature on the earlier of June
30, 1997 or five business days following the  completion of any equity  offering
or series of equity  offerings  with gross  proceeds in excess of $2.5  million.
Warrants to purchase  7.8 million  and 12.2  million  shares of common  stock at
exercise prices of $.001 and $.55, respectively, are attached to the Convertible
Notes. The Convertible Notes are convertible,  at the option of the holder, into
600,000 shares of Series D Preferred Stock, subject to antidilution adjustments.
In the event of default,  the holders of the Convertible Notes have the right to
convert  the  lesser  of  (i)  the  then  outstanding  principal  amount  of the
Convertible  Notes  or  (ii)  10%  of  the  original  principal  amounts  of the
Convertible  Notes into common  shares at a conversion  rate of $.001 per share,
subject to antidilution  adjustments.  The holders of the Convertible Notes also
have the right to appoint a majority of members of the Board of Directors of the
Company;  provided however, that in the event the Company does not obtain future
financings  in excess of $3.5  million on or before June 30,  1997,  the holders
shall have the contractual right to appoint only two directors or observers and,
if additional directors have been appointed,  such additional directors shall be
required to resign.

         Preferred Stock

         In September  1996,  the Company  raised  gross  proceeds of $2 million
(approximately  $1.9 million net of offering fees and costs) through the sale of
Convertible  Debentures to investors in a private  placement  outside the United
States.  The  Convertible  Debentures  bear interest at the rate of 4% per annum
with  principal  and interest due and payable  August 1, 1997.  The  Convertible
Debentures were convertible,  at the option of the holders, beginning in October
1996,  into shares of common stock at a conversion  price equal to 75 percent of
the  average  Nasdaq  closing bid prices of Genta  common  stock for a specified
period prior to the date of conversion. Terms of the Convertible Debentures also
provide  for  interest  payable  in shares of the  Company's  common  stock.  In
November  1996,  $1.65  million of the  Convertible  Debentures  and the related
accrued interest was converted into  approximately  5.9 million shares of common
stock.

         In  March  1996,  the  Company  raised  gross  proceeds  of $6  million
(approximately  $5.5  million  net of  offering  fees and  costs)  in a  private
placement  of Series C  Convertible  preferred  stock (the  "Series C  Preferred
Stock") sold to institutional  investors.  In 1996, 5,620 shares of the Series C
Preferred Stock and accrued dividends was converted at the option of the holders
into  approximately  5.2 million shares of Genta's common stock.  The conversion
price is based  upon 75% of the  average  Nasdaq  closing  bid prices of Genta's
common stock for a specified period.  Terms of the Series C Preferred Stock also
provide for  dividends  payable in shares of the  Company's  common  stock.  The
Company has agreed to file a  registration  statement  with the  Securities  and
Exchange  Commission  covering the resale of the common stock  issuable upon the
payment of the remaining  dividends and the conversion of the Series C Preferred
Stock.

         On December 29, 1995, the Company completed the sale of 3,000 shares of
Series B Convertible preferred stock (the "Series B preferred stock") at a price
of $1,000 per share to  institutional  investors  outside of the United  States.
Proceeds from the offering totaling approximately $2.8 million were reflected as
a receivable from sale of preferred stock at December 31, 1995 and were received
by the Company on January 2, 1996.  The Series B preferred  stock was  converted
into  approximately  2.3 million  shares of the  Company's  common stock in late
February 1996 pursuant to terms of the Series B stock purchase agreements.

         In October 1993,  the Company  completed the sale of 600,000  shares of
Series A  convertible  preferred  stock ("the  Series A  Preferred  Stock") in a
private  placement of units  consisting of one share of Series A Preferred Stock
and a warrant to acquire one share of common stock,  sold at an aggregate  price
of $50 per unit. Each share of Series A Preferred  Stock is convertible,  at any
time prior to  redemption,  into 21.31  shares of the  Company's  common  stock,
subject to antidilution  adjustments.  Dividends on the Series A Preferred Stock
are cumulative  from the date of issuance,  and are payable  annually in amounts
ranging from $3 per share per annum for the first year to $5 per share per annum
in the third and fourth years.  Dividends may be paid in cash or common stock or
a combination  thereof at the Company's option.  Dividends are accrued using the
straight-line method over the four year period. The

                                       44

<PAGE>



Company may redeem the Series A Preferred Stock under certain circumstances, and
was  required  to redeem  the  Series A  Preferred  Stock,  at the option of the
holder,  in September 1996 at a redemption price of $50 per share,  plus accrued
and unpaid  dividends (the "Redemption  Price").  The Company elected to pay the
Redemption  Price in common stock. In September 1996,  55,900 shares of Series A
Preferred  Stock  converted  such  shares and  related  accrued  dividends  into
approximately  2.4 million shares of the Company's  common stock. The Company is
obligated  to use  its  reasonable  efforts  to  arrange  for a firm  commitment
underwriting  in order to redeem the Series A  Preferred  Stock.  The company is
restricted  from paying cash  dividends  on common  stock until such time as all
cumulative  dividends on  outstanding  shares of Series A and Series C Preferred
Stock have been paid.

         In December  1993,  the Board of  Directors  of the  Company  adopted a
Stockholder Rights Plan which provides for the distribution of a preferred stock
purchase  right  ("Right") as a dividend for each share of the Company's  common
stock held of record at the close of business on January 21, 1994. Under certain
circumstances  involving an acquisition  of 15% or more of the Company's  common
stock or a specified  business  combination,  the Rights would permit the holder
(other than the 15% holder) to purchase shares of the Company's common stock or,
if applicable,  common stock of an acquirer at a 50% discount upon payment of an
exercise  price of $50 per Right.  The Rights expire in December 2003 and may be
redeemed by the Company prior to a 15% acquisition at a price of $.01 per Right.

       Warrants

         The Company  issued  five-year  warrants to purchase  600,000 shares of
common stock at an exercise  price of $2.60 per share,  subject to  antidilution
adjustments,  in  connection  with the Company's  private  placement of units in
October 1993. The Company issued a five-year  warrant to purchase 235,250 shares
of common  stock at an exercise  price of $1.70 per share in  connection  with a
private placement of common stock in May 1995. In addition,  five-year  warrants
to purchase an  aggregate of 247,312  shares of common stock at exercise  prices
ranging  from $1.94 to $2.13 per share were  issued to two  equipment  financing
companies  during 1995. In October 1996,  the Company issued a five year warrant
to purchase  375,123  shares of common  stock at an exercise  price of $1.32 per
share to a patent law firm, in exchange for legal services. In October 1996, the
Company  also issued a five year  warrant to purchase  100,000  shares of common
stock at an exercise price of $1.50 per share in connection with the Convertible
Debentures  issued in September 1996.  Warrants to purchase 7.8 million and 12.2
million  shares of common stock at exercise  prices of $.001 and $.55 per share,
respectively, were also issued in connection with the Convertible Notes.



                                       45

<PAGE>



       Stock Benefit Plans

         The  Company's  1991 Stock Plan (the  "Plan")  provides for the sale of
stock and the grant of stock options to employees,  directors,  consultants  and
advisors of the Company. Options may be designated as incentive stock options or
non-statutory  stock options;  however,  incentive  stock options may be granted
only to employees of the  Company.  Options  under the Plan have a term of up to
ten years and must be  granted  at not less than the fair  market  value (85% of
fair market value for non-statutory  options) on the date of grant. Common stock
sold and options  granted  pursuant to the Plan  generally vest over a period of
four to five years. Information with respect to the Company's 1991 Stock Plan is
as follows:
<TABLE>
<CAPTION>


                                                                              Shares under
                                                                                 option           Price
                                                                              ------------       -------
<S>                                                                             <C>            <C>   
Balance at December 31, 1993...............................................     1,367,116      $ .50-15.75
     Granted...............................................................       417,950        4.88-8.75
     Exercised.............................................................        (3,306)        .50-7.25
     Cancelled.............................................................       (34,537)       .50-12.00
                                                                              ------------     -----------
Balance at December 31, 1994...............................................     1,747,223        .50-15.75
     Granted...............................................................     1,988,035        1.75-6.25
     Exercised.............................................................        (7,324)             .50
     Cancelled.............................................................    (1,839,092)        .50-9.88
                                                                              ------------      ----------
Balance at December 31, 1995...............................................     1,888,842        .50-15.75
     Granted...............................................................       136,773         .41-2.63
     Exercised.............................................................       (78,821)        .50-2.25
     Cancelled.............................................................      (297,492)       .50-15.75
                                                                              ------------     -----------
Balance at December 31, 1996...............................................    1,649,302       $  .41-7.44
                                                                              ============     ===========
</TABLE>

         In April  1995,  the Stock  Plan  Committee  of the Board of  Directors
approved a program  whereby  employees  (including  executive  officers)  of the
Company and certain  other  option  holders  could  exchange  their  unexercised
options ("Old  Options") on a one-for-one  basis for new options ("New Options")
priced at the market  value on April 20,  1995.  The New  Options  have the same
vesting  schedule and  contractual  terms as the Old Options.  However,  the New
Options held by  employees  (excluding  executive  officers)  and certain  other
holders  were not  exercisable  until April 20, 1996 and the New Options held by
executive  officers  of the  Company  are not  exercisable  until April 20, 1997
unless the holder is involuntarily  terminated without cause prior to such date.
An  aggregate  of  1,581,330   options  with  an  average   exercise   price  of
approximately  $7.84 per share were  exchanged  for New Options with an exercise
price of $2.25 per share on April 20, 1995. All of the  replacement  options are
included in options  granted and  canceled in the above  summary of stock option
activity.

         At  December  31,  1996,  options to purchase  approximately  1,248,000
shares  of  common  stock  were  exercisable  at a  weighted  average  price  of
approximately  $2.81 per share and approximately  669,000 shares of common stock
were  available for grant or sale under the Plan. An aggregate of  approximately
18,259,930  shares of common stock were reserved for the conversion of preferred
stock and the exercise of outstanding options and warrants at December 31, 1996.

         Adjusted pro forma  information  regarding net loss is required by SFAS
123, and has been  determined  as if the Company had  accounted for its employee
stock options under the fair value method of that Statement.  The fair value for
these  options  was  estimated  at the date of grant  using the "Black  Scholes"
method for option pricing with the following  weighted-average  assumptions  for
both 1995 and 1996:  volatility  factors  of the  expected  market  value of the
Company's common stock of .7 and .8,  respectively;  risk-free interest rates of
6%; dividend yields of 0%; and a weighted-average expected life of the option of
five years.


                                       46

<PAGE>



         For  purposes of adjusted pro forma  disclosures,  the  estimated  fair
value of the options is amortized to expense over the options'  vesting  period.
The Company's adjusted pro forma information follows:

                                                     Year ended      Year ended
                                                    December 31,    December 31,
                                                       1996              1995
                                                      ------            -----

     Adjusted pro forma net loss.................. $ (14,280,253) $ (28,027,475)
     Adjusted pro forma loss per share  .......... $        (.48) $       (1.44)


         The results above are not likely to be representative of the effects of
applying FAS123 on reported net income or loss for future years as these amounts
reflect the expense for only one or two years vesting.

         The weighted-average  exercise price of options granted,  exercised and
cancelled  during  the year were  $1.77,  $2.14,  and $2.23,  respectively.  The
weighted-average  grant-date  fair value of the options  granted during the year
was $0.85.  Following is a further  breakdown of the options  outstanding  as of
December 31, 1996.

<TABLE>
<CAPTION>

                                                                                                                   Weighted
                                                                                                                    Average
                                                 Weighted              Weighted                                    exercise
                                                  Average               Average                                    price of
        Range               Options              remaining             Exercise               Options               options
      of Prices           Outstanding          life in years             Price              exercisable           exercisable
      ---------           -----------          -------------           --------             -----------           -----------
<S>                        <C>                     <C>                <C>                   <C>                  <C>    
$0.41 - $1.69                 54,878                6.37               $  0.61                26,978             $  0.50

$1.75 - $2.63              1,525,674                7.39                  2.21             1,158,883                2.22

$3.00 - $7.44                 68,750                6.58                  7.34                62,472                7.41
                    ---------------------------------------------------------------------------------------------------------------
                           1,649,302                7.30               $  2.33             1,248,133             $  2.45
                    ===============================================================================================================

</TABLE>

9.  Research, Development and Licensing Arrangements

         The  Company  entered  into  collaborative   research  and  development
agreements  with The  Procter  & Gamble  Company  ("P&G")  and the  Wyeth-Ayerst
Laboratories  Division of American  Home  Products  Corporation  ("WyethAyerst")
during 1991 and 1992,  respectively.  The agreements  generally provided for the
Company to  receive  research  funding  for the  discovery  and  development  of
specified Anticode products. The Wyeth-Ayerst collaboration ended in August 1994
and the P&G  collaboration,  as extended and modified,  ended in September 1995.
The Company received  research  payments of $3 million during 1994,  pursuant to
the P&G and Wyeth-Ayerst agreements.  Collaborative revenues of $1.1 million and
$3.1  million  were  recognized  under  these  contracts  during  1995 and 1994,
respectively, which amounts approximate costs incurred on the programs.

         In addition to the aforementioned arrangements, the Company has entered
into various license,  royalty and sponsored  research  agreements which provide
the  Company  with  rights to develop  and  market  products  covered  under the
agreements.  In connection with certain license  agreements  entered into with a
director of the Company and two other stockholders, the Company incurred royalty
expense  of  $100,000,   $100,000,   and  $75,000  in  1996,   1995,  and  1994,
respectively,  and is  committed to pay minimum  royalties of $100,000  annually
until expiration of the related patents.


                                       47

<PAGE>



10.  Income Taxes

         Significant  components  of the  Company's  deferred  tax  assets as of
December 31, 1996 and 1995 are shown below. A valuation allowance of $32,508,000
has been recognized to offset the net deferred tax assets as realization of such
assets is uncertain.
<TABLE>
<CAPTION>

                                                                            December 31,
                                                                     -------------------------
                                                                      1996                1995
                                                                     ------               ----
<S>                                                           <C>                   <C>   
     Deferred tax assets:
       Capitalized research expenses........................   $    2,663,000       $   2,231,000
       Net operating loss carryforwards.....................       22,177,000          19,490,000
       Research and development credits.....................        3,248,000           2,920,000
       Purchased technology and license fees................        4,523,000           4,519,000
       Other, net...........................................        1,108,000             116,000
                                                               --------------       -------------
       Total deferred tax assets............................       33,719,000          29,276,000
       Valuation allowance for deferred tax assets..........      (32,508,000)        (28,305,000)
                                                               --------------       -------------
                                                                    1,211,000             971,000
     Deferred tax liabilities:
       Patent expenses......................................       (1,211,000)           (971,000)
                                                               --------------       -------------
       Net deferred tax assets..............................   $          ---       $         ---
                                                               ==============       =============
</TABLE>


         At December  31,  1996,  the Company  has  federal and  California  net
operating  loss  carryforwards  of  approximately  $61,731,000  and  $9,525,000,
respectively.  The  difference  between  the  federal  and  California  tax loss
carryforwards is primarily  attributable to the  capitalization  of research and
development   expenses  for  California  tax  purposes  and  the  fifty  percent
limitation on California loss carryforwards.  The federal tax loss carryforwards
will begin expiring in 2003, unless previously utilized. The California tax loss
carryforwards  began  expiring  in 1996  and  will  continue  to  expire  unless
previously utilized.  (Approximately $277,000 of the California tax loss expired
in 1996.) The Company also has federal and California  research and  development
tax credit carryforwards of $2,585,000 and $1,019,000,  respectively, which will
begin expiring in 2003 unless previously utilized.

         Federal and California tax laws limit the utilization of income tax net
operating loss and credit  carryforwards  that arise prior to certain cumulative
changes  in a  corporation's  ownership  resulting  in change of  control of the
Company.  The future annual use of net operating loss carryforwards and research
and  development  tax credits will be limited due to the ownership  changes that
occurred during 1990,  1991, 1993 and 1996.  Because of the decrease in value of
the Company's  stock,  the ownership  change which  occurred in 1996 will have a
material impact on the utilization of these carryforwards.

11.  Employee Savings Plan

         The Company began a 401(k)  program in 1994 which allows  participating
employees to contribute up to 15% of their salary, subject to annual limits. The
Board of Directors may, at its sole discretion,  approve Company  contributions.
No such contributions have been approved or made.

12.  Gain on Sale of Technology

         In December 1996, the Company sold the rights to two  development-stage
dermatological products for cash of $373,261.

13.  Contingencies

         On February 5, 1997,  Equity-Linked  Investors,  L.P. and Equity-Linked
Investors-II (collectively,  the "Plaintiffs") who, as a group, beneficially own
more than five  percent of the  outstanding  shares of the  Common  Stock of the
Company  as Series A  preferred  stockholders,  filed  Suit (the  "Suit") in the
Delaware  Court of  Chancery  (the  "Court")  against the  Company,  each of the
Company's directors and the Aries Funds. Through the Suit, the Plaintiffs

                                       48

<PAGE>



are seeking to enjoin the transactions described in footnote 8 under the caption
"Subsequent Event" (the "Transactions"),  damages, attorney fees, and such other
and further relief as the Court may deem just and proper.  The Suit alleges that
the Board of Directors of the Company  breached  fiduciary  duties by failing to
consider financing alternatives to the Transactions and further alleges that the
Transactions were not in the best interests of the  stockholders.  Additionally,
the Suit alleges that the Aries Funds aided and abetted such breach of fiduciary
duty through their participation in the Transactions.  On March 4 and 5, 1997, a
trial was held before the Court.  The Court has established a briefing  schedule
and set a hearing for post-trial arguments on April 1, 1997.

         In October 1996, JBL retained a chemical  consulting  firm to advise it
with  respect to  environmental  compliance  regarding  an  incident of soil and
groundwater   contamination   (the  "Spill")  by  small  quantities  of  certain
chemicals.  The Company believes, based upon information known to date, that the
Spill is  relatively  minor and will not have a material  adverse  effect on the
business of the Company, although there can be no assurance thereof.


                                       49

<PAGE>



                REPORT OF ERNST & YOUNG LLP, INDEPENDENT AUDITORS


The Board of Directors and Stockholders
Genta Jago Technologies B.V.

         We  have  audited  the  accompanying   balance  sheets  of  Genta  Jago
Technologies  B.V. (a  development  stage  company) as of December  31, 1996 and
1995, and the related  statements of operations,  stockholders'  equity and cash
flows for each of the three years in the period ended  December 31, 1996 and for
the period  December 15, 1992  (inception)  through  December  31,  1996.  These
financial  statements are the  responsibility of the Company's  management.  Our
responsibility  is to express an opinion on these financial  statements based on
our audits.

         We conducted our audits in accordance with generally  accepted auditing
standards.  Those standards require that we plan and perform the audit to obtain
reasonable assurance about whether the financial statements are free of material
misstatement.  An audit includes examining, on a test basis, evidence supporting
the amounts and disclosures in the financial statements.  An audit also includes
assessing the  accounting  principles  used and  significant  estimates  made by
management,  as well as evaluating the overall financial statement presentation.
We believe that our audits provide a reasonable basis for our opinion.

         In our opinion,  the  financial  statements  referred to above  present
fairly,  in  all  material  respects,  the  financial  position  of  Genta  Jago
Technologies  B.V. (a development  stage company) at December 31, 1996 and 1995,
and the results of its operations and its cash flows for each of the three years
in the period  ended  December  31,  1996 and for the period  December  15, 1992
(inception)  through  December 31, 1996 in conformity  with  generally  accepted
accounting principles.

         As discussed  in Note 1 to the  financial  statements,  the Company has
incurred  operating losses since inception and requires  substantial  sources of
financing  to  fund  its  operations   through  1997.   These  conditions  raise
substantial  doubt about the Company's  ability to continue as a going  concern.
Management's  plan as to this  matter  are  also  described  in Note 1. The 1996
financial  statements do not include any adjustments  that might result from the
outcome of this uncertainty.


                                                               ERNST & YOUNG LLP

San Diego, California
February 28, 1997


                                       50

<PAGE>

                          GENTA JAGO TECHNOLOGIES B.V.
                         (A DEVELOPMENT STAGE COMPANY)
                                 BALANCE SHEETS
<TABLE>
<CAPTION>


                                                                                         DECEMBER 31,
                                                                        -----------------------------------------
                                ASSETS                                         1996                  1995
                                                                        -------------------    ------------------

Current assets:
<S>                                                                                <C>                  <C>     
   Cash and cash equivalents.................................                      $36,092              $245,172
   Receivables under collaboration agreements................                      903,838                     -
   Advance contract payments to related parties..............                            -             1,538,594
   Other current assets......................................                      105,934                     -
                                                                        -------------------    ------------------
Total current assets.........................................                    1,045,864             1,783,766
Property and equipment, net..................................                        4,900                 7,500
Other assets.................................................                        6,651                 4,492
                                                                        ===================    ==================
                                                                                $1,057,415            $1,795,758
                                                                        ===================    ==================


                 LIABILITIES AND STOCKHOLDERS' EQUITY
(NET CAPITAL DEFICIENCY)

Current liabilities:
   Accounts payable and accrued expenses ....................                     $571,539              $247,354
   Payable to related parties................................                    2,481,452               794,838
   Deferred contract revenue.................................                            -               317,555
                                                                        -------------------    ------------------
Total current liabilities....................................                    3,052,991             1,359,747
Notes payable to related party...............................                   15,287,099            13,787,099
Stockholders' equity (net capital deficiency):
   Common Stock, 14,700 shares authorized, 10,000 shares issued
      and outstanding at stated value........................                      512,000               512,000
   Additional paid-in capital................................                    3,741,950             3,741,950
   Deficit accumulated during the development stage..........                 (21,536,625)          (17,605,038)
                                                                        -------------------    ------------------
Net capital deficiency.......................................                 (17,282,675)          (13,351,088)
                                                                        ===================    ==================
                                                                                $1,057,415            $1,795,758
                                                                        ===================    ==================
</TABLE>


                             See accompanying notes  

                                       51

<PAGE>

                          Genta Jago Technologies B.V.
                         (A Development Stage Company)
                            STATEMENTS OF OPERATIONS
<TABLE>
<CAPTION>

                                                                                                            
                                                                                                            
                                                                                                              Cumulative from    
                                                                 Years ended December 31.                           inception   
                                                      -----------------------------------------------        (December 15, 1992)
                                                        1996               1995                1994           to December 31, 1996
                                                      -------------   ----------------    ---------------    ----------------------
<S>                                                        <C>                <C>               <C>                <C>       
Revenues:
   Collaborative research
      and development............................         $5,477,059        $2,968,463         $5,284,602        $15,406,378
                                                                                                              
Cost and expenses:                                                                                            
   Research and development,                                                                                  
      including contractual amounts to                                                                        
      related parties of $7,040,438, $9,318,460,                                                              
      and $12,456,985, and $35,629,158 in 1996,                                                               
      1995, 1994 and the period from inception                                                                
      (December 15, 1992) to December 31, 1996,                                                               
      respectively...............................          8,091,465          9,866,038         13,046,365         38,263,584
   General and and administrative................            361,920            470,081            291,782          1,385,383
                                                       ---------------   ----------------    ---------------    ---------------
                                                           8,453,385         10,336,119         13,338,147         39,648,967
                                                       --------------   ----------------    ---------------     --------------
Loss from operations............................          (2,976,326)        (7,367,656)        (8,053,545)       (24,242,589)
Other income (expense):                                                                                       
   Gain on waiver of debt in exchange for return                                                              
      of license rights to related party                           -          4,703,352                  -          4,703,352
Interest income.................................               5,814              2,620              8,215             19,546
Interest expense................................            (961,075)          (749,808)          (306,051)        (2,016,934)
                                                     ----------------   ----------------    ---------------     --------------
                                                            (955,261)          3,956,164          (297,836)          2,705,964
                                                     ----------------   ----------------    ---------------     --------------
Net loss........................................         $(3,931,587)       $(3,411,492)       $(8,351,381)      $(21,536,625)
                                                     ================   ================    ===============     ==============
</TABLE> 
                                                     
                             See accompanying notes  
                                                     
                                       52            
                                                     
                                                    
<PAGE>

                          GENTA JAGO TECHNOLOGIES B.V.
                         (A DEVELOPMENT STAGE COMPANY)
           STATEMENT OF STOCKHOLDERS' EQUITY (NET CAPITAL DEFICIENCY)
         PERIOD FROM INCEPTION (DECEMBER 15, 1992) TO DECEMBER 31, 1996
<TABLE>
<CAPTION>
                                                                           
                                                             
                                            COMMON                              DEFICIT          STOCKHOLDERS' 
                                             STOCK            ADDITIONAL       ACCUMULATED         EQUITY     
                                      --------------------    PAID-IN           DURING THE       (NET CAPITAL  
                                        SHARES    AMOUNT      CAPITAL       DEVELOPMENT STAGE    DEFICIENCY)
                                      ---------- ---------   -----------   ------------------   -------------
<S>                                  <C>         <C>          <C>           <C>                  <C>        
Issuance of common stock at
 $51.20 per share for cash ....       2,940     $150,528     $      --      $        --           $150,528
Capital contributions in excess   
 of stated value ..............          --           --         12,882               --            12,882
                                    -------     --------     ----------     ------------      ------------
Balance at December 31, 1992 ..       2,940      150,528         12,882               --           163,410
Issuance of common stock at       
 $51.20 per share for cash .....      7,060      361,472             --               --           361,472
Capital contributions in excess   
of stated value ...............          --           --      3,729,068               --         3,729,068
Net loss ......................          --           --             --       (5,842,165)       (5,842,165)
                                     ------     --------     ----------     ------------      ------------
Balance at December 31, 1993 ..      10,000      512,000      3,741,950       (5,842,165)       (1,588,215)
Net loss ......................          --           --             --       (8,351,381)       (8,351,381)
                                     ------     --------     ----------     ------------      ------------
Balance at December 31, 1994 ..      10,000      512,000      3,741,950      (14,193,546)       (9,939,596)
Net loss ......................          --           --             --       (3,411,492)       (3,411,492)
                                     ------     --------     ----------     ------------      ------------
Balance at December 31, 1995 ..      10,000      512,000      3,741,950      (17,605,038)      (13,351,088)
Net loss ......................          --           --             --       (3,931,587)       (3,931,587)
                                     ------     --------     ----------     ------------      ------------
                                     
Balance at December 31, 1996 ..      10,000     $512,000     $3,741,950     $(21,536,625)     $(17,282,675)
                                     ======     ========     ==========     ============      ============
</TABLE>


                             See accompanying notes.

                                       53

<PAGE>
                          GENTA JAGO TECHNOLOGIES B.V.
                         (A DEVELOPMENT STAGE COMPANY)
                            STATEMENTS OF CASH FLOWS
<TABLE>
<CAPTION>

                                                                                                          CUMULATIVE FROM
                                                                                                             INCEPTION
                                          YEARS ENDED  DECEMBER 31,                                      (DECEMBER 15, 1992)
                                          ------------------------------------- --------------------
                                               1996                1995                 1994           TO DECEMBER 31, 1996
                                          ---------------   -------------------   -----------------    ----------------------
OPERATING ACTIVITIES
<S>                                         <C>                   <C>                 <C>                      <C>          
Net loss                                    $(3,931,587)          $(3,411,492)        $(8,351,381)             $(21,536,625)
Items reflected in net loss not
requiring cash:
   Depreciation and amortization                   2,600                 2,600               3,451                    13,168
   Technology license fee                                                                                            192,580
                                                       -                     -                   -
   Gain on waiver of debt in exchange
     for return of license rights to                                                                   
     related party                                     -            (4,703,352)                  -                (4,703,352)
   Changes in operating assets and liabilities:
      Advance contract payments
         to related parties                    1,538,594               435,276           1,016,053
                                                                                                                           -
      Receivables under collaboration
         agreements                            (903,838)                     -                   -                  (903,838)
      Other current assets                     (105,934)                68,440             (56,770)                 (105,934)
      Accounts payable and accrued expenses     324,185                112,227              20,112                   571,539
      Payable to related parties               1,686,614               277,479             267,085                 2,481,452
      Deferred contract revenue                (317,555)           (1,071,863)           1,065,672
                                          ---------------   -------------------   -----------------    ----------------------
Net cash used in operating activities        (1,706,921)           (8,290,685)         (6,035,778)              (23,991,010)
INVESTING ACTIVITIES
Purchase of property and equipment and
other                                            (2,159)               (4,492)                   -                  (24,719)
                                          ---------------   -------------------   -----------------    ----------------------
Net cash used in investing activities            (2,159)               (4,492)                   -                  (24,719)

FINANCING ACTIVITIES
Proceeds from issuance of common stock
   and capital contributions                           -                     -                   -
Proceeds from notes payable to related         1,500,000             8,415,407           6,688,756                20,590,643
party
Repayment of notes payable to related                                          
party                                                  -                     -           (600,192)                 (600,192)
                                          ---------------   -------------------   -----------------    ----------------------
Net cash provided by financing activities      1,500,000             8,415,407           6,088,564                24,051,821
                                          ---------------   -------------------   -----------------    ----------------------
Increase (decrease) in cash and
   cash equivalents                            (209,080)               120,230              52,786                    36,092
Cash and cash equivalents at
   beginning of period                           245,172               124,942              72,156                         -
                                          ---------------   -------------------   -----------------    ----------------------
Cash and cash equivalents at end
   of period                                     $36,092              $245,172            $124,942                   $36,092
                                          ===============   ===================   =================    ======================
SUPPLEMENTAL DISCLOSURES OF CASH FLOW
INFORMATION:
   Interest paid                          $           -        $             -            $299,808                  $299,808
                                          ===============   ===================   =================    ======================
</TABLE>


                             See accompanying notes.

                                       54

<PAGE>



                          Genta Jago Technologies B.V.
                          (A Development Stage Company)
                          NOTES TO FINANCIAL STATEMENTS


1.  Organization and Significant Accounting Policies

       Organization and Business

         Genta  Jago  Technologies  B.V.  ("Genta  Jago")  was  incorporated  in
December 1992 under the laws of the  Netherlands.  Genta Jago is a joint venture
owned and controlled 50% by Genta  Incorporated  ("Genta") and 50% by Jagotec AG
("Jagotec"), a subsidiary of Jago Holding AG which was acquired by SkyePharma in
May 1996. Genta Jago was formed to develop and commercialize  pharmaceuticals in
six major therapeutic areas, and commenced  research and development  activities
in  January  1993.  Genta  Jago is  managed  under the  direction  of a Board of
Managing  Directors  consisting of two members  appointed from each of Genta and
Jagotec and one outside member.

         Pursuant to terms of the joint  venture  arrangement,  Jagotec  granted
Genta  Jago  an  exclusive  license  to its  GEOMATRIX  oral  controlled-release
technology  for  the  development  and  commercialization  of  approximately  25
specified products.  In May 1995, Genta and Jagotec entered into an agreement to
expand  Genta  Jago by  adding  the  rights  to  develop  and  commercialize  an
additional 35 products (see  "Expansion of Genta Jago").  With these  additional
products,  Genta Jago now  maintains  the  rights to develop  controlled-release
formulations of approximately 60 products using Jagotec's GEOMATRIX technology.

         Genta  Jago is  dependent  on future  funding  from  Genta (see Note 2,
"Capital  Contributions and Working Capital  Agreement") and corporate  partners
and is considered a Development  Stage Company.  Genta has incurred  significant
operating losses since its inception and requires substantial additional sources
of  financing  to fund its  operations  through  1997,  conditions  which  raise
substantial  doubt about Genta's ability to continue as a going concern.  In the
event funding  sources prove to be unavailable  or inadequate to Genta,  Genta's
ability to provide further funding to Genta Jago could be significantly limited.
In this event,  Genta Jago would be dependent on  collaborative  funding and may
have to  consider  the  delay  or  curtailment  of  certain  of its  development
programs.

       Revenue Recognition

         Collaborative  research and development revenues are recorded as earned
as research and  development  activities  are  performed  under the terms of the
contracts,  with such revenues  generally  approximating  costs  incurred on the
programs. Payments received in excess of amounts earned are deferred.

       Research and Development Expenses

         Research and development costs are expensed as incurred.

       Depreciation

         The costs of furniture and equipment are depreciated over the estimated
useful lives of the assets using the straight-line method.

       Use of Estimates

         The  preparation of financial  statements in conformity  with generally
accepted  accounting  principles  requires  management  to  make  estimates  and
assumptions  that affect the reported  amounts of assets and  liabilities at the
date of the  financial  statements  and the  reported  amounts of  revenues  and
expenses  during the reporting  period.  Actual  results could differ from those
estimates.


                                       55

<PAGE>



2.  Related Party Transactions

        License Agreements

         Genta Jago entered into  license  agreements  with Jagotec and Genta in
connection with the planned development and  commercialization of GEOMATRIX oral
controlled-release  products and Anticode  products,  respectively.  The license
with Genta was terminated in 1995 in connection  with Genta Jago's return of the
right to develop six Anticode  products to Genta.  Pursuant to such  agreements,
Genta Jago  recorded  license fee expense of  $620,000,  $85,000,  and  $170,000
during the years ended December 31, 1996,  1995 and 1994,  respectively,  and is
obligated  to make  future  annual  license  fee  payments of $85,000 to Jagotec
through 1997.

       Research and Development and Service Agreements

         Genta Jago has  contracted  with Genta and Jagotec to conduct  research
and  development  and  provide  certain  other  services.  Under  terms  of such
agreements,  Genta Jago generally is required to reimburse the parties for their
respective  costs incurred plus a specified  mark-up.  Payments for research and
development  services are  generally  made in advance and are  refundable if the
services are not  performed.  For the years ended  December  31, 1996,  1995 and
1994, Genta Jago incurred  expenditures of $7 million,  $9.2 million,  and $12.3
million,  respectively,  pursuant to such research and  development  and service
agreements.

       Capital Contributions and Working Capital Agreement

         In  connection  with the  formation  of the  joint  venture,  Genta was
required to make an initial capital contribution of $4 million to Genta Jago. In
addition,  Genta Jago entered into a working capital  agreement with Genta which
expires in October 1998.  Pursuant to this agreement,  Genta is required to make
working  capital  loans to  Genta  Jago up to a  mutually  agreed  upon  maximum
principal  amount,  which  amount is  established  by the  parties on a periodic
basis.  As of December 31, 1996,  Genta had advanced  working  capital  loans of
approximately  $15.3 million to Genta Jago, net of principal  repayments and the
loan credit discussed below. Such loans bear interest at rates per annum ranging
from 5.81% to 7.5%,  and are payable in full on October 20, 1998,  or earlier in
the event  certain  revenues  are  received  by Genta  Jago and  specified  cash
balances are maintained by Genta Jago.

       Expansion of Genta Jago

         In May 1995,  Genta and Jagotec  entered  into an  agreement  to expand
Genta Jago by adding the rights to develop and  commercialize  an  additional 35
products (the "Additional Products"). With these Additional Products, Genta Jago
now  maintains  the  rights  to  develop   controlled-release   formulations  of
approximately  60  products  using  Jagotec's  GEOMATRIX  technology.  Under the
agreement, Genta Jago also acquired certain manufacturing rights with respect to
such  products.  In  connection  with the  expansion of Genta Jago,  the parties
elected   to  focus   Genta   Jago's   activities   exclusively   on   GEOMATRIX
oral-controlled  release products. As a result, Genta Jago returned to Genta the
right to develop six Anticode  products  licensed from Genta in connection  with
the  formation  of Genta  Jago in 1992.  In  connection  with the  return of the
Anticode license rights to Genta in May 1995, Genta Jago's note payable to Genta
was  credited  with a principal  reduction  of  approximately  $4.4  million and
accrued interest payable to Genta was reduced by approximately  $300,000.  Genta
Jago recorded the loan credit and related  accrued  interest as a gain on waiver
of debt in exchange for return of license rights to related party.

         To obtain the rights to the Additional  Products and the  manufacturing
rights in May 1995,  Genta applied $5 million in option and related fees paid to
Jagotec  and its  affiliates,  of which  $3.85  million was paid during 1994 and
$1.15  million  was paid in the first  quarter  of 1995.  Genta  also  issued an
additional  1.24  million  unregistered  shares of  Genta's  common  stock to an
affiliate  of  Jagotec  in May  1995.  Genta  Jago is  required  to pay  certain
additional  fees to Jagotec  upon Genta  Jago's  receipt of revenues  from third
parties, and pay manufacturing royalties to Jagotec.


                                       56

<PAGE>

3.  Collaborative Research and Development Agreements

         In January 1993, Genta Jago entered into a collaboration agreement with
Gensia   for   the   development   and   commercialization   of   certain   oral
controlled-release  pharmaceutical  products  for  treatment  of  cardiovascular
disease.  Under the  agreement,  Gensia  provides  funding for  formulation  and
preclinical  development  to be conducted by Genta Jago and is  responsible  for
clinical development,  regulatory submissions and marketing. Genta Jago received
$2.2 million,  $1.9 million, and $4.9 million of funding in 1996, 1995 and 1994,
respectively, pursuant to the agreement. Collaborative revenues of $2.8 million,
$3 million,  and $4.2 million were  recognized  under the  agreement  during the
years ended December 31, 1996, 1995 and 1994,  respectively.  Effective  October
1996,  Gensia  and  SkyePharma  reached an  agreement  whereby  Brightstone  was
assigned Gensia's rights (and those of Gensia's partner, Boehringer Mannheim) to
develop and co-promote the potentially  bioequivalent  nifedipine  product under
the  collaboration  agreement  with Genta Jago.  The  assignment was accepted by
Genta Jago and has no impact on the terms of the original agreement.  Genta Jago
is still  entitled to receive  additional  milestone  payments from  Brightstone
triggered upon  regulatory  submissions  and approvals,  as well as royalties or
profit sharing ranging from 10% to 21% of product sales, if any.

         In March 1996,  Genta Jago entered into a  collaborative  licensing and
development  agreement  with  Apothecon.  Under  the  terms  of  the  agreement,
Apothecon  will provide  funding to Genta Jago up to a specified  maximum amount
for  the   formulation,   development  and  clinical   testing  of  a  GEOMATRIX
controlled-release  formulation  of Q-CR  ketoprofen  (Oruvail(R)),  subject  to
certain early termination  rights. The agreement also provides for Genta Jago to
receive potential  milestone  payments and royalties on product sales.  Terms of
the agreement  provide  Apothecon  exclusive rights to market and distribute the
products on a worldwide  basis.  During 1996,  Genta Jago  recorded  revenue and
received  $1.1 million in funding  under the  arrangement  and  recognized  $1.3
million of collaborative revenue.

         In October 1996, Genta Jago entered into five  collaborative  licensing
and development agreements with Krypton,  whereby Genta Jago would sublicense to
Krypton,   rights  to  develop  and  commercialize   potentially   bioequivalent
GEOMATRIX(R)  versions of five currently marketed  products,  as well as another
agreement  granting  Krypton  an option to  sublicense  rights  to  develop  and
commercialize  an improved  version of a sixth product.  During 1996, Genta Jago
received funding of $1 million under the collaborative agreements and recognized
$1 million of collaborative revenue.

4.  Income Taxes

         Significant  components  of Genta  Jago's  deferred  tax  assets  as of
December 31, 1996 are shown below. A valuation  allowance of $2,154,000 has been
recognized  to offset the deferred tax assets as  realization  of such assets is
uncertain.
<TABLE>
<CAPTION>


                                                                                             December 31,
                                                                                             ------------
Deferred tax assets:                                                                   1996              1995
                                                                                       ----              ----

<S>                                                                                   <C>               <C>       
         Net operating loss carryforwards                                             $ 2,154,000       $1,761,000

         Valuation allowance for deferred tax assets                                  (2,154,000)       (1,761,000)
                                                                                    -------------      ------------

         Net deferred tax assets                                                   $      ---         $      ---
                                                                                   ==============     ==============

</TABLE>


         At  December  31,  1996,  Genta Jago has  foreign  net  operating  loss
carryforwards of approximately  $21,537,000.  The foreign tax loss carryforwards
will begin expiring in 2000, unless previously utilized.

Item 9.  Changes  in  and  Disagreements  with  Accountants  on  Accounting  and
         Financial Disclosure

         Not Applicable.

                                       57

<PAGE>

                                    Part III

Item 10. Directors and Executive Officers of the Registrant

         (a) The sections  labeled  "Proposal Two -- Election of Directors"  and
"Section  16(a)  Beneficial  Ownership  Reporting  Compliance"  appearing in the
Company's Proxy Statement are incorporated herein by reference.

         (b)  Information  concerning  the Company's  Executive  Officers is set
forth in Part I of this Form 10-K.

Item 11. Executive Compensation

         The section labeled  "Compensation of Executive Officers and Directors"
appearing in the Company's Proxy Statement is incorporated herein by reference.

Item 12. Security Ownership of Certain Beneficial Owners and Management

         The  section  labeled  "Stock   Ownership  of  Management  and  Certain
Beneficial  Owners"  appearing in the Company's  Proxy Statement is incorporated
herein by reference.

Item 13. Certain Relationships and Related Transactions

         The section labeled "Certain  Relationships  and Related  Transactions"
appearing in the Company's Proxy Statement is incorporated herein by reference.

                                     Part IV

Item 14. Exhibits, Financial Statement Schedules and Reports on Form 8-K

     (a)  (1)  Financial statements

     Reference is made to the Index to Financial Statements under Item 8 of this
     report on Form 10-K.

          (2)  All schedules are omitted because they are not required,  are not
               applicable,  or  the  required  information  is  included  in the
               consolidated financial statements or notes thereto.

          (3)  Reference is made to Paragraph (c) below for Exhibits required by
               Item 601 of Regulation S-K,  including  management  contracts and
               compensatory plans and arrangements.

     (b) Reports on Form 8-K.  During the fourth  quarter of 1996,  the  Company
         filed the following report on Form 8-K: On October 8, 1996, the Company
         filed a report  on Form 8-K to  disclose  the  resignation  of James C.
         Blair,  Ph.D.  as a  Director  and as Vice  Chairman  of the  Board  of
         Directors of the Company.

     (c) Exhibits  required by Item 601 of Regulation  S-K with each  management
         contract,  compensatory  plan  or  arrangement  required  to  be  filed
         identified.

                                       58

<PAGE>



 Exhibit
 Number        Description of Document
 ------        -----------------------

3(i).1(1)       Restated   Certificate  of   Incorporation  as  amended  by  the
                Certificate of the Powers, Designations,  Preferences and Rights
                of the Series B  Convertible  Preferred  Stock as amended by the
                Certificate of the Powers, Designations,  Preferences and Rights
                of the Series C Convertible Preferred Stock.

3(i).2(18)      Certificate of  Designations  of Series D Convertible  Preferred
                Stock of the Company.

3(ii).1(2)      By-laws of the Company.

4.1(5)          Specimen Common Stock Certificate.

4.2(4)          Specimen Series A Convertible Preferred Stock Certificate.

4.3(4)          Specimen Warrant.

4.4(4)          Form of Unit Purchase  Agreement  dated as of September 23, 1993
                by and between the  Company and the  Purchasers  of the Series A
                Convertible Preferred Stock and Warrants.

4.5(11)         Form of Rights  Agreement  dated as of December 16, 1993 between
                Genta  Incorporated  and First  Interstate  Bank of  California,
                which   includes  as  Exhibit  A  the  form  of  Certificate  of
                Designations,  Rights and  Preferences of Series F Participating
                Preferred Stock.

4.6(8)          Form of Regulation S Subscription Agreement entered into between
                the Company and certain  purchasers  of the Series B Convertible
                Preferred Stock.

4.7(1)          Form of Securities  Subscription  Agreement entered into between
                the Company and certain  purchasers  of the Series C Convertible
                Preferred Stock.

4.8(1)          Common Stock  Purchase  Warrant dated  December 14, 1995 between
                the Company and Lease Management Services, Inc.

4.9(17)         Warrant  for the  Purchase  of  213,415  Shares of Common  Stock
                issued to Lyon & Lyon in October 1996.

4.10(17)        Warrant  for the  Purchase  of  100,000  Shares of Common  Stock
                issued to Michael Arnouse in October 1996.

10.1(3)(6)(6)   Amended and Restated 1991 Stock Plan of Genta Incorporated.

10.2(5)         Master Lease Agreement No. 10300 dated as of May 4, 1989 between
                the Company and Lease Management Services, Inc. and Master Lease
                Agreement  No.  10428  dated as of August 15,  1991  between the
                Company and Lease Management Services, Inc.

10.3(5)         Standard  Industrial  Lease dated  October 24, 1988, as amended,
                between the Company and General Atomics.

10.4(5)         Revised and Restated Lease dated as of March 1, 1990 between JBL
                Scientific, Inc. and Granada Associates.


                                       59

<PAGE>

10.5(5)(6)      Employment Agreement dated February 20, 1991 between the Company
                and Dr. Robert E. Klem.

10.6(5)(6)      Employment Agreement dated February 20, 1991 between the Company
                and Dr. Lauren R. Brown.

10.7(5)(6)      Form of  Indemnification  Agreement  entered  into  between  the
                Company and its directors and officers.

10.8(5)         Preferred Stock Purchase  Agreement dated September 30, 1991 and
                Amendment Agreement dated October 2, 1991.

10.9(5)(6)      Consulting  Agreement dated February 2, 1989 between the Company
                and Dr. Paul O.P. Ts'o.

10.10(5)(7)     Development, License and Supply Agreement dated February 2, 1989
                between the Company and Gen-Probe Incorporated.

10.12(5)(7)     License Agreement dated February 2, 1989 among the Company,  Dr.
                Ts'o, Dr. Miller and Mr. Finch.

10.13(5)(7)     License Agreement dated May 15, 1990 between the Company and The
                Johns Hopkins University.

10.19(6)(1)     Promissory  Note dated March 7, 1996 between the Company and Dr.
                Donald Picker.

10.21(7)(9)     Common Stock Transfer  Agreement  dated as of December 15, 1992,
                between the Company and Dr. Jacques Gonella.

10.32(9)        Consulting  Agreement dated as of December 15, 1992, between the
                Company and Dr. Jacques Gonella.

10.36(7)(9)     Common Stock Transfer  Agreement  dated as of December 15, 1992,
                between the Company and Jagotec AG.

10.37(7)(9)     Collaboration  Agreement  dated as of January 22, 1993,  between
                Jobewol  Investments B.V. (now known as Genta Jago  Technologies
                B.V.) and Gensia, Inc.

10.46(10)       Form of  Purchase  Agreement  between  the  Company  and certain
                purchasers of Common Stock.

10.47(10)       Common  Stock  Purchase  Warrant  dated May 8, 1995  between the
                Company and Index Securities S.A.

10.48(7)(12)    Restated Joint Venture and  Shareholders  Agreement  dated as of
                May 12, 1995 between the  Company,  Jagotec AG, Jago Holding AG,
                Jago Pharma AG and Genta Jago Technologies B.V.

10.50(7)(12)    Limited  Liability  Company Agreement of Genta Jago Delaware LLC
                dated as of May 12, 1995  between  GPM  Generic  Pharmaceuticals
                Manufacturing Inc. and the Company.

10.51(7)(12)    Restated Transfer Restriction Agreement dated as of May 12, 1995
                between the Company and Jagotec AG.

10.52(7)(12)    Transfer Restriction  Agreement dated as of May 12, 1995 between
                the Company, GPM Generic Pharmaceuticals  Manufacturing Inc. and
                Jago Holding AG.

                                       60

<PAGE>

10.53(7)(12)    Common Stock Transfer Agreement dated as of May 30, 1995 between
                the Company and Jago Finance Limited.

10.54(7)(12)    Stockholders'  Agreement  dated as of May 30,  1995  between the
                Company,  Jagotec  AG,  Dr.  Jacques  Gonella  and Jago  Finance
                Limited.

10.55(7)(12)    Restated Geomatrix  Research and Development  Agreement dated as
                of May 12, 1995 between Jago Pharma AG, the Company,  Genta Jago
                Delaware, L.L.C. and Genta Jago Technologies B.V.

10.56(7)(12)    Restated  Services  Agreement  dated as of May 12, 1995  between
                Jago Pharma AG, the Company,  Genta Jago  Delaware,  L.L.C.  and
                Genta Jago Technologies B.V.

10.57(7)(12)    Restated Working Capital  Agreement dated as of May 12, 1995 and
                Amendment No. 1 to Restated  Working Capital  Agreement dated as
                of July 11, 1995 between the Company and Genta Jago Technologies
                B.V.

10.58(7)(12)    Restated  Promissory  Note dated as of  January 1, 1994  between
                Genta Jago Technologies B.V. and the Company.

10.59(7)(12)    Restated  License  Agreement  dated as of May 12,  1995  between
                Jagotec AG and the Company.

10.61(7)(12)    Restated  Geomatrix  License  Agreement dated as of May 12, 1995
                between Jagotec AG and Genta Jago Technologies B.V.

10.62(7)(12)    Geomatrix  Manufacturing  License  Agreement dated as of May 12,
                1995 between Jagotec AG and Genta Jago Technologies B.V.

10.63(7)(12)    Restated  Geomatrix  Supply  Agreement  dated as of May 12, 1995
                between Jago Pharma AG and Genta Jago Technologies B.V.

10.65(13)       Form of Regulation S Subscription Agreement entered into between
                the Company and certain  purchasers  of the Series B Convertible
                Preferred Stock.

10.66(1)        Promissory  Note dated  November 8, 1995 between the Company and
                Domain Partners, L.P.

10.67(1)        Promissory  Note dated  November 8, 1995 between the Company and
                Domain Partners II, L.P.

10.68(1)        Promissory  Note dated  November 8, 1995 between the Company and
                Institutional Venture Partners, IV.

10.69(14)       Amendment to Promissory  Note  effective  March 22, 1996 between
                the Company and Institutional Venture Partners, IV.

10.70(14)       Amendment to Promissory  Note  effective  March 22, 1996 between
                the Company and Domain Partners, L.P.

10.71(14)       Amendment to Promissory  Note  effective  March 22, 1996 between
                the Company and Domain Partners II, L.P.

10.72(15)       Amendments  to the Series C  Securities  Subscription  Agreement
                dated April 23, 1996.


                                       61


<PAGE>

10.73(16)       Form of Regulation S Securities  Subscription  Agreement entered
                into  between  the  Company  and  certain  purchasers  of the 4%
                Convertible Debentures, Due August 1, 1997.

10.74(16)       Form of 4% Convertible Debenture Due August 1, 1997.

10.75(19)       Note and  Warrant  Purchase  Agreement  dated as of January  28,
                1997, by and among the Company,  The Aries Fund, A Cayman Island
                Trust (the  "Trust")  and The Aries  Domestic  Fund,  L.P.  (the
                "Partnership").

10.76(19)       Letter dated January 28, 1997 from Genta Incorporated.

10.77(19)       Senior  Secured  Convertible  Bridge Note of the  Company  dated
                January 28, 1997 for $1,050,000.

10.78(19)       Senior  Secured  Convertible  Bridge Note of the  Company  dated
                January 28, 1997 for $1,950,000.

10.79(19)       Class A  Bridge  Warrant  of the  Company  for the  purchase  of
                2,730,000 shares of Common Stock.

10.80(19)       Class A  Bridge  Warrant  of the  Company  for the  purchase  of
                5,070,000 shares of Common Stock.

10.81(19)       Class B  Bridge  Warrant  of the  Company  for the  purchase  of
                4,270,000 shares of Common Stock.

10.82(19)       Class B  Bridge  Warrant  of the  Company  for the  purchase  of
                7,930,000 shares of Common Stock.

10.83(19)       Security  Agreement  dated as of January  28,  1997  between the
                Company and Paramount Capital, Inc.

10.84(19)       Letter  Agreement  dated  January  28,  1997 among the  Company,
                Paramount Capital, Inc., the Partnership and the Trust.

10.85(19)       Amendment  No.  1  dated  as  of  January  28,  1997  to  Rights
                Agreement,  dated as of December 16,  1997,  between the Company
                and ChaseMellon Shareholder Services L.L.C.

10.86(20)(6)    Executive  Compensation  Agreement  dated as of  January 1, 1996
                between the Company and Howard Sampson.

10.87(20)       Collaboration  Agreement  dated  December  26, 1995  between the
                Company and Johnson & Johnson Consumer Products, Inc.

10.88(20)       Assignment   Agreement   (of   Gensia   Inc.'s   rights  in  the
                Collaboration  Agreement  between  Genta Jago and Gensia,  Inc.,
                dated  January 23,  1993) to  Brightstone  Pharma,  Inc.,  dated
                October  1, 1996 among  Gensia,  Inc.,  Genta Jago  Technologies
                B.V., Brightstone Pharma, Inc., and SkyePharma PLC.

   
10.89(20)(21)   Development and Marketing  Agreement effective February 28, 1996
                between  Genta Jago  Technologies  B.V.,  a Dutch  company,  and
                Apothecon, Inc., a Delaware corporation.


                                       62


<PAGE>

10.90(20)(21)   License Agreement effective February 28, 1996 between Genta Jago
                Technologies  B.V.,  a Dutch  company,  and  Apothecon,  Inc., a
                Delaware corporation.

10.91(20)(21)   Option,  Development  & Sub-License  Agreement/(The  Company has
                requested  confidential  treatment for the name of this element)
                dated as of October 31,  1996  between  Genta Jago  Technologies
                B.V., a Dutch  company,  and Krypton  Ltd., a Gibraltar  limited
                company.

10.92(20)(21)   Development and Sub-License Agreement/(The Company has requested
                confidential treatment for the name of this element) dated as of
                October 31, 1996 between Genta Jago  Technologies  B.V., a Dutch
                company, and Krypton Ltd., a Gibraltar limited company.

10.93(20)(21)   Development and Sub-License Agreement/(The Company has requested
                confidential treatment for the name of this element) dated as of
                October 31, 1996 between Genta Jago  Technologies  B.V., a Dutch
                company, and Krypton Ltd., a Gibraltar limited company.

10.94(20)(21)   Development  and  Sub-License  Agreement/Diclofenac  dated as of
                October 31, 1996 between Genta Jago  Technologies  B.V., a Dutch
                company, and Krypton Ltd., a Gibraltar limited company.

10.95(20)(21)   Development  and  Sub-License  Agreement/Naproxen  dated  as  of
                October 31, 1996 between Genta Jago  Technologies  B.V., a Dutch
                company, and Krypton Ltd., a Gibraltar limited company.

10.96(20)(21)   Development  and  Sub-License  Agreement/Verapamil  dated  as of
                October 31, 1996 between Genta Jago  Technologies  B.V., a Dutch
                company, and Krypton Ltd., a Gibraltar limited company.

10.97(20)(21)   License Termination Agreement dated December 2, 1996 between the
                Company and Wilton Licensing AG.

10.98(20)       Contract  for  Regional Aid for  Innovation,  effective  July 1,
                1993,   between   L'Agence   Nationale  de  Valorisation  de  la
                Recherche, Genta Pharmaceuticals Europe SA and the Company.
    

22.1(20)        Subsidiaries of the Registrant.

23.1(20)        Consent of Ernst & Young LLP, Independent Auditors.

24.1            Power of Attorney. (See page 66)

                                       63

<PAGE>

(1)      Incorporated  herein by reference to the exhibits of the same number to
         the Company's  Annual  Report on Form 10-K for the year ended  December
         31, 1995, Commission File No. 0-19635.

(2)      Exhibit 3(ii).1 is  incorporated  herein by reference to the Exhibit of
         the same number  contained in Post-  Effective  Amendment  No. 1 to the
         Company's   Registration   Statement  on  Form  S-3,  Registration  No.
         33-72130.

(3)      Exhibit 10.1 is incorporated herein by reference to Exhibit 10.1 to the
         Company's   Registration   Statement  on  Form  S-8,  Registration  No.
         33-85887.

(4)      Exhibits 4.2, 4.3, and 4.4 are incorporated by reference to Exhibits of
         the  same  number  to the  Company's  Report  on Form  8-K  dated as of
         September 24, 1993, Commission File No. 0-19635.

(5)      Incorporated  herein by  reference to the exhibit of the same number to
         the  Company's  Registration  Statement on Form S-1,  Registration  No.
         33-43642.

(6)      Indicates management contract, compensatory plan or arrangement.

(7)      The Company has been granted confidential treatment of certain portions
         of this exhibit.

(8)      Exhibit  4.6 is  incorporated  by  reference  to  Exhibit  10.65 to the
         Company's Report on Form 8-K dated as of December 29, 1995,  Commission
         File No. 0-19635.

(9)      Incorporated  by  reference  to the  exhibits of the same number to the
         Company's   Registration   Statement  on  Form  S-3,  Registration  No.
         33-58362.

(10)     Incorporated  by  reference  to the  exhibits of the same number to the
         Company's Quarterly Report on Form 10-Q for the quarter ended March 31,
         1995, Commission File No. 0-19635.

(11)     Incorporated  by  reference to Exhibit 5.1 to the  Company's  Report on
         Form 8-K dated as of December 16, 1993, Commission File No. 0-19635.

(12)     Incorporated  by  reference  to the  exhibits of the same number to the
         Company's  Quarterly  Report on Form 10-Q/A for the quarter  ended June
         30, 1995, Commission File No. 0-19635.

(13)     Incorporated  herein by  reference to the exhibit of the same number to
         the Company's Report on Form 8-K dated as of December 29, 1995.

(14)     Incorporated  herein by  reference  to  exhibits  10.1,  10.2 and 10.3,
         respectively,  to the  Company's  Registration  Statement  on Form  S-3
         (Registration No. 333-3846)

(15)     Incorporated  herein by  reference  to  Exhibit  10.1 to the  Company's
         Quarterly  Report on Form 10-Q for the  quarter  ended  June 30,  1996,
         Commission File No. 0-19635.

(16)     Exhibits  10.73 and  10.74 are  incorporated  herein  by  reference  to
         Exhibits 10.1 and 10.2 to the Company's  Report on Form 8-K dated as of
         September 17, 1996, Commission File No. 0-19635.

(17)     Exhibits 4.9 and 4.10 are incorporated  herein by reference to Exhibits
         4.1 and 4.2 respectively to the Company's Quarterly Report on Form 10-Q
         for the quarter ended September 30, 1996, Commission File No. 0-19635.

(18)     Exhibit  3(i).2 is  incorporated  by  reference  to Exhibit 3(i) to the
         Company's  Report on Form 8-K dated as of January 28, 1997,  Commission
         File No. 0-19635.


                                       64

<PAGE>

(19)     Exhibits 10.75, 10.76, 10.77, 10.78, 10.79, 10.80, 10.81, 10.82, 10.83,
         10.84 and 10.85 are incorporated  herein by reference to Exhibits 10.1,
         10.2,  10.3,  10.4,  10.5,  10.6,  10.7,  10.8,  10.9,  10.10 and 10.11
         respectively  to the  Company's  Report on Form 8-K dated as of January
         28, 1997, Commission File No. 0-19635.

(20)     Filed herewith.

   
(21)     The Company has requested  confidential  treatment for certain portions
         of this Exhibit.
    

                (d) See (a)(2) above.

                                       65

<PAGE>



                                   SIGNATURES

   
         Pursuant to the  requirements  of Section 13 or 15(d) of the Securities
Exchange Act of 1934, the Registrant has duly caused this report to be signed on
its behalf by the undersigned,  thereunto duly  authorized,  on this 27th day of
March, 1997.

                                           Genta Incorporated
    

   
                                           By /s/Thomas H. Adams
                                              ------------------
                                              Thomas H. Adams, Ph.D.
                                              Chairman, Chief Executive Officer,
                                              and Acting Chief Financial Officer
    
                                POWER OF ATTORNEY

      KNOW ALL MEN BY THESE PRESENTS,  that each person whose signature  appears
below   constitutes  and  appoints   Thomas  H.  Adams,   his  true  and  lawful
attorney-in-fact   and  agent,   each  with  full  power  of  substitution   and
resubstitution,  for  him  and in his  name,  place  and  stead,  in any and all
capacities, to sign any and all amendments to this report, and to file the same,
with  exhibits  thereto and other  documents in connection  therewith,  with the
Securities  and Exchange  Commission,  granting unto said  attorney-in-fact  and
agent,  full power and  authority to do and perform each and every act and thing
requisite  and  necessary to be done, as fully to all intents and purposes as he
might or could do in  person,  hereby  ratifying  and  confirming  all that said
attorney-in-fact and agent or their substitute or substitutes may lawfully do or
cause to be done by virtue hereof.

      Pursuant to the requirements of the Securities  Exchange Act of 1934, this
report  has  been  signed  below  by the  following  persons  on  behalf  of the
Registrant and in the capacities and on the dates indicated.
<TABLE>
<CAPTION>

              Signature                                         Title                                      Date
              ---------                                         -----                                      ----

<S>                                                <C>                                                <C>  
   
/s/ Thomas H. Adams                                Chairman and Chief Executive Officer               March  27, 1997
- - - ------------------------------------------         (Principal Executive Officer), Acting Chief
           Thomas H. Adams                          Financial Officer and Director
                            

/s/ Robert E. Klem                                 Director                                           March  27, 1997
- - - ------------------------------------------
           Robert E. Klem

/s/ Paul O.P. Ts'o                                 Director                                           March  27, 1997
- - - ------------------------------------------
           Paul O.P. Ts'o

/s/ Sharon B. Webster                              Director                                           March  27, 1997
- - - ------------------------------------------
          Sharon B. Webster
    
</TABLE>

                                       66

                                 EXHIBIT 10.86
                        EXECUTIVE COMPENSATION AGREEMENT


         THIS  AGREEMENT is entered  into as of January 1, 1996,  by and between
Howard Sampson (the "Employee") and Genta Incorporated,  a Delaware  corporation
(the  "Company").  This  Agreement  supersedes any prior  agreements  previously
entered into between Employee and Company.

         1.       Term of Employment.

         (a)  Basic  Rule.   The  Company  agrees  to  continue  the  Employee's
employment,  and the Employee  agrees to remain in employment  with the Company,
from the date hereof until the date when the  Employee's  employment  terminates
pursuant to Subsection (b), (c) or (d) below.

         (b) Early  Termination.  Subject to  Sections 6 and 7, the  Company may
terminate  the  Employee's  employment  by giving the Employee 30 days'  advance
notice in writing.  The  Employee may  terminate  his  employment  by giving the
Company 1 day's  advance  notice in writing.  The  Employee's  employment  shall
terminate automatically in the event of his death. Any waiver of notice shall be
valid  only if it is made in  writing  and  expressly  refers to the  applicable
notice requirement of this Section 1.

         (c)  Cause.  The  Company  may at any  time  terminate  the  Employee's
employment for Cause by giving the Employee notice in writing.  For all purposes
under this Agreement, "Cause" shall mean:

               (i) A  willful  act  by  the  Employee  which  constitutes  gross
          misconduct  (as  determined by an  independent  tribunal) or fraud and
          which is injurious to the Company; or

               (ii)  Conviction  of, or a plead of "guilty" or no contest" to, a
          felony.

No act, or failure to act, by the Employee shall be considered  "willful" unless
committed  without  good faith and without a  reasonable  belief that the act or
omission was in the Company's best interest.

         (d)  Disability.  The  Company  may  terminate  the  Employee's  active
employment  due to Disability by giving the Employee 30 days' advance  notice in
writing. For all purposes under this Agreement, "Disability" shall mean that the
Employee,  at the time notice is given, has become eligible to receive immediate
long-term disability benefits under the Company's long-term disability insurance
plan or, if there is no such plan, under the federal Social Security program. In
the event that the Employee resumes the performance of substantially  all of his
duties hereunder before the termination of his active employment under this


<PAGE>

Subsection (d) becomes effective,  the notice of termination shall automatically
be deemed to have been revoked.

         (e) Rights Upon Termination. Except as expressly provided in Sections 6
and 7,  upon the  termination  of the  Employee's  employment  pursuant  to this
Section 1, the Employee shall only be entitled to the compensation, benefits and
reimbursements  described  in Sections 3, 4 and 5 for the period  preceding  the
effective date of the termination. The payments under this Agreement shall fully
discharge  all  responsibilities  of  the  Company  to  the  Employee  upon  the
termination of his employment.

         (f)  Termination of Agreement.  This Agreement shall terminate when all
obligations of the parties hereunder have been satisfied.

         2.       Duties and Scope of Employment.

         (a)  Position.  The Company  agrees to employ the Employee as its Chief
Financial  Officer  for the term of his  employment  under this  Agreement.  The
Employee shall report to the Company's President.

         (b)  Obligations.   During  the  term  of  his  employment  under  this
Agreement,  the Employee shall devote his full business  efforts and time to the
Company and its  subsidiaries.  The  Employee  shall not render  services to any
other for-profit  corporation or entity without the prior written consent of the
Company's  Board of  Directors  (the  "Board").  This  Subsection  (b) shall not
preclude the Employee from engaging in  appropriate  professional,  educational,
civic,  charitable or religious  activities or from devoting a reasonable amount
of time to  private  investments  that do not  interfere  or  conflict  with his
responsibilities to the Company.

         3.       Base Compensation and Incentive Compensation.

         (a) Base  Compensation.  During the term of his  employment  under this
Agreement,  the  Company  agrees to pay the  Employee  as  compensation  for his
services a base  salary at the annual rate of $175,000 or at such higher rate as
the Company may determine  from time to time.  Any  difference  between the Base
Compensation  payable  on a  bi-monthly  basis and that  actually  paid  between
January  1,  1996,  and the date this  Agreement  is  executed  shall be paid to
Employee in one lump sum upon execution of this Agreement.  Such salary shall be
payable in  accordance  with the Company's  standard  payroll  procedures.  (The
annual compensation  specified in this Section 3, together with any increases in
such  compensation  that the Company may grant from time to time, is referred to
in this Agreement as "Base Compensation.")

         (b) Incentive Compensation. In addition, Employee shall be eligible for
participation in an annual incentive compensation


                                        2


<PAGE>

program, if any, to be determined in the sole discretion of the Company.

         (c) Stock  Compensation.  In addition to such options and Company stock
compensation  available to Employee as of the execution of this Agreement,  upon
execution of this  Agreement  Employee  shall  receive  75,000 shares of Company
stock at no cost to Participant.  Such shares shall be fully vested when granted
and shall  not be  subject  to any  right of  repurchase  by the  Company.  As a
condition of this grant, Employee agrees to satisfy such requirements as Company
deems necessary to satisfy its federal and state tax withholding requirements.

         4.       Employee Benefits.

         During the term of his employment  under this  Agreement,  the Employee
shall be eligible  for the employee  benefit  plans and  executive  compensation
programs maintained by the Company for other senior executives,  subject in each
case to the generally  applicable terms and conditions of the plan or program in
question and to the determinations of any person or committee administering such
plan or program.

         5.       Business Expenses.

         During the term of his employment  under this  Agreement,  the Employee
shall be authorized to incur necessary and reasonable travel,  entertainment and
other business  expenses in connection  with his duties  hereunder.  The Company
shall reimburse the Employee for such expenses upon  presentation of an itemized
account and  appropriate  supporting  documentation,  all in accordance with the
Company's generally applicable policies.

         6.       SkyePharma Transaction.

         (a) General.  As of September 25, 1996, the Company is  contemplating a
transaction  with  SkyePharma.  If the  transaction is  contemplated by June 30,
1997,  Employee  shall be paid a lump sum cash bonus of $50,000  upon closing of
the  transaction.  Closing  means  execution  of  a  definitive  agreement  with
shareholder approval, if necessary.  Such bonus shall not be paid to Employee if
he is not  employed  by the  Company on the date of closing  unless  Employee is
either involuntarily terminated without cause or terminates with Good Reason.

         (b) Good Reason.  For all purposes under this Agreement,  "Good Reason"
shall mean that the Employee:

               (i)  Has  incurred  a  material  reduction  in his  authority  or
          responsibility except for reason of demonstrated lack of performance;

               (ii)  Has   incurred   one  or  more   reductions   in  his  Base
          Compensation; or


                                        3


<PAGE>

               (iii) Has been notified that the Company's  headquarters  will be
          relocated by a distance of 50 miles or more.

         7.       Termination for Any Reason Without Cause.

         (a) Continuation Period. Except as otherwise  specifically provided for
this Agreement, in the event that during the term of this Agreement, the Company
terminates the Employee's employment for any reason other than Cause or Employee
voluntarily terminates under circumstances where an involuntary  termination for
Cause is not otherwise warranted, then the Employee shall be entitled to receive
all of the  payments  and benefit  coverage  described  in this  Section 7. Such
payments and benefit  coverage shall continue for the period (the  "Continuation
Period") commencing on the date when the employment termination is effective and
ending on the date twelve months after such date.

         (b) Compensation. During the Continuation Period, the Company shall pay
the Employee  compensation  at an annual rate equal to his Base  Compensation at
the rate in effect on the date of the employment termination.  Such amount shall
be paid at periodic  intervals in accordance with the Company's standard payroll
procedures.

         (c) Insurance  Coverage.  During the Continuation  Period, the Employee
(and,  where   applicable,   his  dependents)  shall  be  entitled  to  continue
participation in the group insurance plans maintained by the Company,  including
life,  disability and health insurance programs, as if he were still an employee
of the Company.  Where  applicable,  the Employee's  salary for purposes of such
plans shall be deemed to be equal to his Base  Compensation.  To the extent that
the Company finds it impossible to cover the Employee under its group  insurance
policies during the Continuation  Period, the Company shall provide the Employee
with  individual  policies  which offer at least the same level of coverage  and
which impose not more than the same costs on him. The foregoing notwithstanding,
in the event that the Employee  becomes  eligible for comparable group insurance
coverage in connection with new employment, the coverage provided by the Company
under  this  Subsection  (c)  shall  terminate  immediately.  Any  group  health
continuation  coverage  that the  Company is required to offer under COBRA shall
commence when coverage under this Subsection (c) terminates.

         (d) Incentive  Programs.  The  Continuation  Period shall be counted as
employment  with the Company for  purposes  of vesting  under all stock  option,
stock  appreciation  rights,  restricted  stock,  phantom stock or similar plans
maintained   by  the   Company   (any   contrary   provisions   of  such   plans
notwithstanding).  The preceding  sentence shall not be construed to require the
Company to grant any new awards to the Employee during the Continuation  Period.
The Continuation Period shall also be counted as employment with the Company for
purposes of determining the


                                        4


<PAGE>

expiration  date of any stock  option  granted  by the  Company  and held by the
Employee when his employment  terminates.  Any other provision of this Agreement
notwithstanding,  the  Continuation  Period for purposes of this  Subsection (d)
shall not exceed  three  months in the event  that the  Company  terminates  the
Employee's   employment  for   performance-related   reasons  (considering  only
performance  after the date this  Agreement is  executed),  as determined by the
Board.  (There is no  Continuation  Period for any purpose in the event that the
termination is for Cause.)

         (e) No  Mitigation.  The Employee shall not be required to mitigate the
amount of any  payment  contemplated  by this  Section 7 (whether by seeking new
employment or in any other manner).  Except as expressly  provided in Subsection
(c) above,  no such payment  shall be reduced by earnings  that the Employee may
receive from any other source.

         8.  Covenant  Not to Compete.  As a condition to  Employee's  rights to
receive  payments under Section 6 or 7 of this  Agreement,  the parties agree to
the following:

         (a) Competition.  Employee hereby agrees,  so long as Company is not in
material  default  (subject  to notice and a 30- day cure  period) of any of its
material  obligations  under this  Agreement,  that Employee will not, except as
specifically provided for in this Covenant, at any time during the Covenant Term
(as defined in Section 8(b) below),  directly or indirectly,  whether or not for
compensation,  engage  in any  business  activity,  or have any  interest  in or
relationship  with any person,  firm,  corporation  or  business  (whether as an
employee,  shareholder,  proprietor,  officer, director, agent, security holder,
trustee,  partner,  consultant or  otherwise),  which is  competitive  with, the
antisense and geomatrix  drug delivery  business of Company or its  subsidiaries
now being conducted in the Covered Area;  provided,  however,  that Employee may
own  shares of  companies  whose  securities  do not  constitute  more than five
percent (5%) of the outstanding securities of any such company. Employee further
agrees that as long as the Covenant remains in effect, Employee will not, in any
way which  materially  adversely  affects the  Company's  business or  financial
position  divert or attempt to divert,  directly or indirectly,  any business of
Company or any of its subsidiaries,  or any customers of their business,  to any
competitor  in the  Covered  Area or induce or attempt to  induce,  directly  or
indirectly, any person to leave his or her employment with Company or any of its
subsidiaries.

         (b)  Covenant  Term.  The Term of this  Covenant  ("Covenant  Term") is
defined to be the period commencing on the effective date of this Agreement, and
ending upon the last payment made to Employee pursuant of Section 6 or 7.

         (c)  Covered  Area.  The  Covered  Area  shall be the area in which the
Company or any of its wholly-owned subsidiaries is


                                        5


<PAGE>

operating  at the  time  of the  alleged  violation  of the  covenants  of  this
paragraph.

         9.       Limitation on Payments.

         (a) Basic Rule. Any other provision of this Agreement  notwithstanding,
the Company  shall not be required to make any payment or property  transfer to,
or for the benefit of, the Employee  (under this  Agreement or  otherwise)  that
would be non-deductible by the Company by reason of section 280G of the Internal
Revenue  Code of 1986,  as  amended  (the  "Code"),  or that would  subject  the
Employee  to the  excise  tax  described  in  section  49999  of the  Code.  All
calculations  required by this Section 9 shall be  performed by the  independent
auditors  retained by the Company most  recently  prior to the Change in Control
(the "Auditors"), based on information supplied by the Company and the Employee,
and shall be binding on the Company and the  Employee.  All fees and expenses of
the Auditors shall be paid by the Company.

         (b)  Reductions.  If the amount of the  aggregate  payments or property
transfers  to the  Employee  must be  reduced  under  this  Section  9, then the
Employee  shall  direct  in which  order the  payments  or  transfers  are to be
reduced,  but no change in the timing of any payment or  transfer  shall be made
without the Company's consent.  As a result of uncertainty in the application of
sections  280G and 4999 of the Code at the time of an initial  determination  by
the Auditors hereunder, it is possible that a payment will have been made by the
Company that should not have been made (an  "Overpayment") or that an additional
payment  that will not have been made by the  Company  could  have been made (an
"Underpayment").  In the event that the Auditors,  based upon the assertion of a
deficiency by the Internal  Revenue  Service against the Company or the Employee
that the Auditors believe has a high  probability of success,  determine that an
Overpayment has been made, such Overpayment shall be treated for all purposes as
a loan to the  Employee  that he  shall  repay  to the  Company,  together  with
interest at the applicable  federal rate specified in section  7872(f)(2) of the
Code; provided,  however, that no amount shall be payable by the Employee to the
Company if and to the extent that such payment  would not reduce the amount that
is nondeductible  under section 280G of the Code or is subject to the excise tax
under section 4999 of the Code. In the event that the Auditors determine that an
Underpayment  has  occurred,   such  Underpayment  shall  promptly  be  paid  or
transferred  by the Company to, or for the  benefit of, the  Employee,  together
with interest at the applicable  federal rate specified in section 7872(f)(2) of
the Code.

         10.      Successors.

         (a)  Company's  Successors.  The Company  shall  require any  successor
(whether   direct  or  indirect   and  whether  by  purchase,   lease,   merger,
consolidation, liquidation or otherwise) to all or


                                        6

<PAGE>

substantially  all of the Company's  business and/or assets,  by an agreement in
substance and form satisfactory to the Employee, to assume this Agreement and to
agree  expressly  to perform  this  Agreement in the same manner and to the same
extent as the  Company  would be  required  to  perform  it in the  absence of a
succession.  The  Company's  failure  to  obtain  such  agreement  prior  to the
effectiveness  of a  succession  shall be a breach of this  Agreement  and shall
entitle the Employee to all of the  compensation  and benefits to which he would
have been entitled  hereunder if the Company had  involuntarily  terminated  his
employment,  without Cause immediately after such succession  becomes effective.
For all purposes  under this  Agreement,  the term  "Company"  shall include any
successor to the Company's  business  and/or assets which  executes and delivers
the assumption agreement described in this Subsection (a) or which becomes bound
by this Agreement by operation of law.

         (b)  Employee's  Successors.  This  Agreement  and  all  rights  of the
Employee  hereunder  shall inure to the benefit of, and be  enforceable  by, the
Employee's  personal  or  legal  representatives,   executors,   administrators,
successors, heirs, distributees, devisees and legatees.

         11.      Miscellaneous Provisions.

         (a) Notice.  Notices and all other communications  contemplated by this
Agreement  shall be in writing  and shall be deemed to have been duly given when
personally delivered or when mailed by U.S. registered or certified mail, return
receipt  requested  and postage  prepaid.  In the case of the  Employee,  mailed
notices  shall be addressed to him at the home  address  which he most  recently
communicated  to the  Company in  writing.  In the case of the  Company,  mailed
notices shall be addressed to its corporate headquarters,  and all notices shall
be directed to the attention of its Secretary.

         (b) Waiver. No provision of this Agreement shall be modified, waived or
discharged unless the modification,  waiver or discharge is agreed to in writing
and signed by the Employee and an authorized  officer of the Company (other than
the  Employee).  No waiver by either  party of any breach  of, or of  compliance
with,  any condition or provision of this  Agreement by the other party shall be
considered a waiver of any other condition or provision or of the same condition
or provision at another time.

         (c) Whole Agreement.  No agreements,  representations or understandings
(whether oral or written and whether express or implied) which are not expressly
set forth in this  Agreement have been made or entered into by either party with
respect to the subject matter hereof.

         (d) No Setoff;  Withholding Taxes. There shall be no right of setoff or
counterclaim, with respect to any claim, debt or obligation, against payments to
the Employee under this


                                        7


<PAGE>

Agreement.  All payments made under this Agreement shall be subject to reduction
to reflect taxes required to be withheld by law.

         (e)  Choice of Law.  The  validity,  interpretation,  construction  and
performance  of this  Agreement  shall be  governed  by the laws of the State of
California.

         (f) Severability.  The invalidity or  unenforceability of any provision
or provisions of this Agreement shall not affect the validity or  enforceability
of any other provision hereof, which shall remain in full force and effect.

         (g)  Arbitration.  Except  as  otherwise  provided  in  Section  9, any
controversy or claim arising out of or relating to this Agreement, or the breach
thereof,  shall be settled by  arbitration  in San Diego in accordance  with the
Commercial Arbitration Rules of the American Arbitration Association.  Discovery
shall be permitted to the same extent as in a proceeding under the Federal Rules
of  Civil  Procedure,  including  (without  limitation)  such  discovery  as  is
specifically  authorized  by  section  1283.05 of the  California  Code of Civil
Procedure,  without  need  of  prior  leave  of  the  arbitrator  under  section
1283.05(e) of such Code. Judgment on the award rendered by the arbitrator may be
entered in any court having jurisdiction  thereof.  All fees and expenses of the
arbitrator and such  Association  shall be paid as determined by the arbitrator.
Any  attorney  fees  paid  to  enforce  this  Agreement  shall  be  paid  by the
non-prevailing party.

         (h) No  Assignment.  The rights of any person to  payments  or benefits
under this Agreement  shall not be made subject to option or assignment,  either
by  voluntary  or  involuntary  assignment  or by  operation  of law,  including
(without  limitation)  bankruptcy,  garnishment,  attachment or other creditor's
process, and any action in violation of this Subsection (h) shall be void.

         IN WITNESS WHEREOF, each of the parties has executed this Agreement, in
the case of the Company by its duly authorized  officer,  as of the day and year
first above written.


                                             /s/ Howard Sampson
                                             -------------------------------
                                             Howard Sampson


                                             GENTA INCORPORATED


                                             By /s/ Thomas H. Adams

                                             Title __________________________


                                        8



                                 EXHIBIT 10.87
                         [Johnson & Johnson Letterhead]

                                    AGREEMENT


         This Agreement,  made and entered into this 26th day of December, 1995,
by and between

         GENTA  INCORPORATED,  having offices at 3550 General Atomics Court, San
Diego, California 92121 (hereinafter "GENTA"), and

         JOHNSON & JOHNSON CONSUMER PRODUCTS,  INC., having offices at Grandview
Avenue, Skillman, New Jersey 08550 (hereinafter "CPI").

                               W I T N E S S E T H

         WHEREAS,  GENTA  is a  research-based  company  which  focuses  on  the
discovery of biopharmaceuticals;

         WHEREAS,  CPI  develops,  manufactures  and  sells  skin and hair  care
products; and

         WHEREAS,  GENTA and CPI desire to cooperate in the  development  of new
skin care agents and active ingredients.

         NOW  THEREFORE,  in  consideration  of the covenants and conditions set
forth herein, and other good valuable consideration, the sufficiency of which is
hereby acknowledged by each of the parties hereto, it is agreed as follows:

1.       General Purpose

         It is the general  purpose of this  Agreement  to provide for GENTA and
CPI to cooperate in a feasibility  study for the potential joint  development of
new and improved  skin and hair care  products and active  ingredients  with the
objective of GENTA manufacturing and supplying such ingredients to CPI. In order
to accomplish this purpose,  CPI will evaluate the use of one or more of GENTA's
compounds  that  are  selective  for the  mRNA of the  human  androgen  receptor
(hereinafter,  "the Compound") as a prophylactic  and/or  therapeutic  agent for
androgen receptor mediated conditions (such as control of hair growth, sebaceous
gland  activity,  etc.).  These will be evaluated in a study that is designed to
quantify the reduction in sebum production resulting from topical application of
the Compound to the forehead of selected patients (hereinafter, "the Study").

         The Compound and the  Formulation  (as defined below) provided by GENTA
to CPI under this  Agreement  (a) shall remain the sole  property of GENTA,  (b)
shall be used by and under the  control  of CPI solely in order to carry out its
obligations  under this  Agreement,  (c) shall not be used by or delivered to or
for the benefit of any third party without the prior express  written consent of
GENTA.


<PAGE>

         GENTA and CPI each shall comply in all material  respects with all laws
and governmental  rules,  regulations and guidelines which are applicable to the
Compound,  the Formulation or the use thereof,  including biosafety  procedures,
and with any safety  precautions  described in a writing which  accompanies  the
Compound or the Formulation.

         CPI shall return to GENTA all unused quantities of the Compound and the
Formulation after the completion, or earlier termination, of the Study.

         THE COMPOUND AND THE  FORMULATION  ARE PROVIDED "AS IS" AND WITHOUT ANY
REPRESENTATION OR WARRANTY, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY
IMPLIED WARRANTY OF  MERCHANTABILITY OR OF FITNESS FOR ANY PARTICULAR PURPOSE OR
ANY WARRANTY THAT THE USE OF THE COMPOUND OR THE  FORMULATION  WILL NOT INFRINGE
OR VIOLATE ANY PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY THIRD PARTY.

         It is understood  by the parties that "CPI",  unless  expressly  stated
otherwise, shall mean Johnson & Johnson Consumer Products, Inc., the corporation
of New Jersey as above described, together with its Affiliates.  "Affiliate" of,
or an entity  "Affiliated"  with,  a  specified  entity,  means an  entity  that
controls (in other words, owns directly or indirectly or otherwise has the power
to vote more than fifty percent (50%) of the voting stock), is controlled by, or
is under common control with, the entity specified.

2.       Responsibility of the Parties

         GENTA will  provide the Compound and an  appropriate  delivery  vehicle
(hereinafter,  "the  Formulation").  GENTA will supply the  Formulation  free of
charge to CPI in quantities  sufficient to complete CPI's  evaluation.  CPI will
(1) provide technical resources to develop an acceptable topical formulation for
use in the Study,  (2)  conduct  appropriate  toxicological  tests,  (3) design,
conduct  and  evaluate  the  results of the Study and (4)  provide  GENTA with a
written summary of all tests conducted in progress  reports on the status of the
Study and copies of all results. The Study will take place outside of the United
States.  CPI will be responsible  for  fulfilling  regulatory  requirements  for
shipping the Formulation outside the United States.

         The  Results  shall  be  jointly  owned by GENTA  and  CPI,  and  shall
constitute  Confidential  Information of GENTA and CPI for purposes of Section 4
below.

3.       Expenses

         Each party will bear its own  expenses in the initial  preparation  and
evaluation of compounds under this Agreement,  with the following exception: CPI
shall  within  fifteen  (15)  days  of  signing  this  Agreement,  pay  GENTA  a
non-refundable  commitment fee of Fifty Thousand Dollars ($50,000.00) which will
not be creditable toward any further purchases or license fees.


                                        2


<PAGE>

4.       Confidentiality

         In order to  accomplish  the  objectives of this  Agreement,  it may be
necessary  for the  parties to  exchange  materials  and  information  which are
considered to be  confidential  and  proprietary to the disclosing  party.  Each
party agrees to limit its  disclosure of  Confidential  Information to the other
party to that reasonably necessary to achieve the objectives of this Agreement.

         All  information   disclosed  hereunder  which  is  considered  by  the
disclosing  party to be  confidential  and  proprietary  shall be in writing and
marked "Confidential",  or if initially disclosed orally or visually, designated
as being  confidential at the time of disclosure and confirmed in writing within
thirty (30) days (hereinafter "Confidential Information"). All written documents
containing Confidential  Information and other confidential material in tangible
form received by either party under this Agreement  shall remain the property of
the  originating  party,  and all and any such other materials shall be promptly
returned to the  originating  party upon request;  provided,  however,  that the
receiving  party  shall  have the right to  retain  one copy of any and all such
materials solely in its Law Department files.

         Each party agrees that all Confidential  Information  received from the
other party under this  Agreement  shall be  maintained  in  confidence  and not
disclosed to a third party during the term of this Agreement and for a period of
five (5)  years  thereafter,  and the  receiving  party  agrees  not to use such
Confidential Information for any purpose other than to further the objectives of
this Agreement  without the prior written consent of the other party. Each party
shall  use  the  same  standard  of  care  to  protect  the  confidentiality  of
information  received  from  the  other  party  as it  uses to  protect  its own
confidential  information,  and shall limit  disclosure of such  information  to
those of its personnel and  consultants who have an actual need to know and have
a written obligation to protect the confidentiality thereof.

         Notwithstanding  the  preceding   provisions,   obligations   regarding
confidentiality  and use of Confidential  Information  disclosed hereunder shall
not include:

         a) information which, at the time of disclosure,  was published,  known
publicly, or otherwise in the public domain;

         b) information  which,  after disclosure,  is published,  becomes known
publicly, or otherwise becomes part of the public domain through no fault of the
receiving party;

         c) information which, prior to the time of disclosure,  is known to the
receiving  party without any obligation of  confidentiality  as evidenced by its
written records;

         d)  information  which,  after  disclosure,  is made  available  to the
receiving  party in good faith by a third  party who is under no  obligation  of
confidentiality or secrecy to the disclosing party; and


                                        3

<PAGE>

         e) information which is independently  developed by employees or others
on behalf of the receiving  party,  without access to or use of the Confidential
Information of the disclosing party.

         Notwithstanding  the  preceding   provisions,   obligations   regarding
confidentiality  and use of Confidential  Information  disclosed hereunder shall
not  apply to the  extent  that the  receiving  party is  required  to  disclose
information by law,  order or regulation of a governmental  agency or a court of
competent jurisdiction,  provided that the receiving party shall provide written
notice  thereof  to the  disclosing  party and  sufficient  opportunity  for the
disclosing  party to object to any such  disclosure  or to request  confidential
treatment thereof.

         The disclosure of  Confidential  Information  hereunder by either party
shall not result in any right or  license  under any  patent or  know-how  being
granted to the other  party,  nor shall it be  construed  to impose on the other
party any restriction, duty or obligation other than that of confidentiality and
non-use as expressly provided herein.

5.       Designated Representatives

         The following representatives are designated by the parties to disclose
and receive Confidential Information under this Agreement:

                  For CPI:          Stanley Shapiro, Ph.D.
                                    Worldwide Director
                                    Dermatology Research and Drug Discovery

                  For GENTA:        Dr. Donald Picker
                                    Senior Vice President
                                    Research & Development

6.       Competitive Activity

         GENTA  acknowledges  that CPI and its affiliates are in the business of
manufacturing and selling cosmetic and pharmaceutical  products for the purposes
of caring  for the skin and hair and has an  ongoing  research  and  development
effort relating to such products. In addition, CPI may consult with, supply, and
jointly develop with third parties skin and hair care compositions and products.
Nothing  contained herein shall be construed to prevent CPI from continuing such
activities  provided only that CPI does not reveal to such third parties, or use
for any purpose (other than as permitted by this Agreement),  the Compound,  the
Formulation or any Confidential Information of GENTA covered by this Agreement.

7.       Inventions

         Any invention,  discovery, or improvement made or technology developed,
whether  patentable  or not (an  "Invention")  as a  result  of  work  performed
pursuant to this  Agreement  shall be owned by the party making the Invention if
such Invention is made independently of the other party.


                                        4


<PAGE>

         Inventions made jointly by  representatives of both GENTA and CPI shall
be jointly owned by CPI and GENTA.  GENTA and CPI shall promptly disclose to the
other party all such solely or jointly  owned  Inventions.  Both  parties  shall
cooperate in the filing and prosecution of patent applications  related to joint
inventions  and shall share equally the costs  associated  with such filings and
prosecution.  With respect to such joint inventions, the parties will grant each
other a  non-assignable,  sole  license to make,  have  made,  use and sell such
inventions  without the right to sublicense  without the mutual agreement of the
parties.  With respect to joint inventions and inventions made by GENTA pursuant
to this  Agreement,  CPI shall have the right of first  refusal for an exclusive
license to make, have made, use and sell the inventions in the field of skin and
hair care.

         Nothing  in this  Agreement  shall be  construed  to grant to a party a
license or other  rights  under any  intellectual  property  rights of the other
party, unless expressly provided in this Agreement.

8.       Future Rights

         Simultaneous  with the  performance  of the  Study,  CPI and GENTA will
negotiate  the terms of a  mutually  acceptable  full  development,  supply  and
product license  agreement  (hereinafter,  "the License  Agreement").  Under the
License Agreement,  CPI shall have the exclusive  worldwide rights to have made,
use and sell GENTA's antisense  compounds which are selective to the mRNA of the
human  androgen  receptor  for the  field  of skin and hair  care.  The  License
Agreement  shall  be  complete  prior  to  the  completion  of  the  Study.  The
negotiations to develop the License  Agreement between CPI and GENTA shall begin
no later than two (2) months after the execution of this Agreement.

         At the  completion of the Study,  CPI shall notify GENTA that the Study
has been  completed.  Within sixty (60) days after CPI  notifies  GENTA that the
Study has been  completed,  CPI shall notify GENTA  whether it intends to pursue
the development of the Compound commercially. Upon notification that CPI intends
to pursue the  development  of the  Compound  commercially,  the  parties  shall
execute  the  License  Agreement  and CPI shall pay GENTA One  Hundred and Fifty
Thousand Dollars ($150,000.00).  The License Agreement will include at least the
following provisions:  (i) GENTA will supply the Compound exclusively to CPI for
use in its skin and hair care products,  (ii) CPI will purchase its requirements
of such compounds from GENTA,  if GENTA is capable,  at a negotiated fair market
price which shall be at least as favorable as GENTA's  price to other  customers
for  similar  compounds,  and  (iii)  CPI will  pay  GENTA  mutually  acceptable
royalties on Net Sales of products and milestone payments.

9.       Exclusivity

         During  the  duration  of the Study,  GENTA  shall not engage any third
party to study the  androgen  receptor  mediated  dermatological  effects of the
Compound or discuss with or negotiate  with any third party  regarding the right
to make, have made, use or sell the Compound.


                                        5


<PAGE>



10.      Term and Termination

         The term of this Agreement  shall be one (1) year from the date written
above.  This  Agreement  may be  terminated  by CPI upon  thirty (30) days prior
written notice to GENTA,  provided,  however, that the obligations of each party
under Paragraph 4 hereof shall survive such termination of this Agreement.

11.      Miscellaneous

         This Agreement may not be superseded,  amended,  or modified  except by
written agreement signed on behalf of both parties hereto.

         Notices  given by either  party hereto shall be in writing and shall be
effective  upon receipt and shall be sent by  registered  or  certified  mail or
overnight courier to the other party at the address set forth above.

         Each party's rights and obligations under this Agreement shall enure to
the benefit of, and shall be binding upon, its successors.

         This  Agreement  shall  in no way  constitute  a  commitment  by CPI to
purchase any goods from GENTA or by GENTA to produce and sell any goods to CPI.

         This  Agreement  shall be governed by and construed in accordance  with
the  laws of the  State of  Delaware,  without  regard  to the  conflict  of law
principles thereof.

         IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be
executed in duplicate by their duly  authorized  representatives  on the day and
year first above written.

GENTA INCORPORATED                             JOHNSON & JOHNSON
                                               CONSUMER PRODUCTS, INC.


By:   /s/Thomas H. Adams                       By:  /s/
      ------------------                            ---------------------
      Thomas H. Adams
                                               Title:  Vice President,        
Title:__________________                               Licensing & Acquisition
                                               


                                        6



                                 EXHIBIT 10.88
                              ASSIGNMENT AGREEMENT
           (OF COLLABORATION AGREEMENT BETWEEN GENTA JAGO AND GENSIA)


This ASSIGNMENT  AGREEMENT effective as of October 1, 1996 (this "AGREEMENT") is
entered  into  among  GENSIA,  INC.,  a Delaware  corporation  having a place of
business  at 9360 Towne  Center  Drive,  San  Diego,  California  92121,  U.S.A.
(hereinafter referred to as "GENSIA"), and GENTA JAGO TECHNOLOGIES B.V., a Dutch
company,  having a place of  business  at  Grundstrasse  12,  CH-6343  Rotkreuz,
Switzerland  (hereinafter  referred to as "GENTA JAGO"), and BRIGHTSTONE PHARMA,
INC., a Delaware  corporation  having a place of business at 109 MacKenan Drive,
Cary, North Carolina 27511,  U.S.A.  (hereinafter  referred to as "BRIGHTSTONE")
and SKYEPHARMA PLC, an English public company, having a place of business at 105
Piccadilly, London (hereinafter referred to as "SKYEPHARMA").


                                   WITNESSTH:


         WHEREAS,   GENSIA   and  GENTA  JAGO  have   entered   into  a  certain
Collaboration  Agreement  dated as of January 22, 1993 (as amended as of October
7,  1994,  and  thereafter,   hereinafter  the  "GJT  Collaboration  Agreement")
regarding  the  development  of - inter  alia - a  GEOMATRIX(R)  formulation  of
Nifedipine (hereinafter the "Nifedipine Product"); and

         WHEREAS,  GENSIA  and  Jagotec  AG,  a Swiss  corporation  (hereinafter
"JAGOTEC") have entered into a certain License Agreement dated as of January 22,
1993 (as amended as of October 7, 1994 and thereafter;  hereinafter the "License
Agreement")  regarding  manufacturing  rights for - inter alia - the  Nifedipine
Product; and

         WHEREAS,  GENSIA and JAGO Pharma AG, a Swiss  corporation  (hereinafter
"JAGO PHARMA") have entered into a certain Supply  Agreement dated as of January
22,  1993 (as  amended  as of October 7, 1994 and  thereafter;  hereinafter  the
"Supply Agreement") regarding the manufacturing and supply of - inter alia - the
Nifedipine Product; and

         WHEREAS, GENSIA and Boehringer Mannheim Pharmaceuticals  Corporation, a
Maryland  corporation  (hereinafter  "BMPC") have entered into a certain License
and Collaboration  Agreement dated as of October 10, 1994 (hereinafter the "BMCT
License and Collaboration Agreement") regarding the development and marketing of
the Nifedipine Product; and

         WHEREAS,  as  the  result  of  an  internal  corporate   restructuring,
Boehringer Mannheim Corporation,  Therapeutics  Division ("BMCT"),  succeeded to
the rights and  obligations  of BMPC under the BMCT  License  and  Collaboration
Agreement;

         WHEREAS, BRIGHTSTONE desires to assume, and GENSIA desires to assign to
BRIGHTSTONE,  all of GENSIA's rights and obligations under the GJT Collaboration
Agreement as of the  Effective  Date (as defined  below) and under the terms and
subject to the conditions of this Agreement; and

         WHEREAS,  GENTA JAGO is willing to consent to GENSIA's  assignment  and
BRIGHTSTONE's  assumption  of  GENSIA's  rights  and  obligations  under the GJT
Collaboration  Agreement,  under the terms and subject to the conditions of this
Agreement; and


                                      - 1 -


<PAGE>

         WHEREAS,  the  GENTA  JAGO and  BRIGHTSTONE  desire  to  amend  certain
provisions of the GJT  Collaboration  Agreement as of the Effective  Date as set
forth below.


         NOW,  THEREFORE,  for  and in  consideration  of the  premises,  mutual
covenants  and  agreements  contained  herein and  intending to be legally bound
hereby, the parties hereby agree as follows:


                                    ARTICLE 1
                      ASSIGNMENT, SUBSTITUTION AND RELEASE

         As of the  Effective  Date and subject to the terms and  conditions of
         this Agreement,

1.1      GENSIA does assign and transfer to BRIGHTSTONE  all of GENSIA's  right,
         title and interest in and to, and all of GENSIA's  liabilities,  duties
         and obligations  arising or becoming due on or after the Effective Date
         under the GJT Collaboration Agreement;

1.2      BRIGHTSTONE  does  assume  such right,  title,  interest,  liabilities,
         duties  and  obligations  of  GENSIA  and does  agree  that it shall be
         substituted for GENSIA under the GJT  Collaboration  Agreement and that
         it will  perform  the  obligations,  liabilities  and  duties of GENSIA
         arising or becoming due on or after the  Effective  Date  thereunder in
         accordance with the terms hereof and thereof;

1.3      SKYEPHARMA agrees to guarantee the performance of BRIGHTSTONE under the
         GJT  Collaboration   Agreement  as  it  will  be  amended  concurrently
         herewith; and

1.4      GENTA JAGO does consent to such assignment and substitution.


                                    ARTICLE 2
                         REPRESENTATIONS AND WARRANTIES

2.1      Of Each Party to the Others.  Each party hereby represents and warrants
         to the other parties as follows:

         (a) Corporate  Existence.  Such party is a corporation  duly organized,
         validly  existing and in good  standing  under the laws of the state or
         other jurisdiction in which it is incorporated.

         (b)  Authorization  and Enforcement of Obligations.  Such party has the
         corporate  power and  authority  and the legal right to enter into this
         Agreement  and to perform its  obligations  hereunder and has taken all
         necessary  corporate  action on its part to authorize the execution and
         delivery  of this  Agreement  and the  performance  of its  obligations
         hereunder.  This  Agreement  has been duly  executed  and  delivered on
         behalf  of such  party  and  constitutes  a legal,  valid  and  binding
         obligation,  enforceable  against  such  party in  accordance  with its
         terms.

         (c) Consents.  All necessary consents,  approvals and authorizations of
         all governmental  authorities and other persons required to be obtained
         by such party in connection with this Agreement have been obtained.


                                      - 2 -


<PAGE>

         (d) No Conflict.  The execution and delivery of this  Agreement and the
         performance of such party's obligations  hereunder do not conflict with
         or violate any requirement of applicable laws or regulations and do not
         conflict  with,  or  constitute  a  default  under,   any   contractual
         obligation  of  such  party,   except  such   conflicts  that  do  not,
         individually  or in the  aggregate,  have a material  adverse effect on
         such party or do not materially  adversely  affect such party's ability
         to perform its obligations under this Agreement.

2.2      Of GENSIA and GENTA JAGO to Each  Other,  SKYEPHARMA  and  BRIGHTSTONE.
         Each of GENSIA and GENTA JAGO hereby  represents  and  warrants to each
         other,  SKYEPHARMA  and  BRIGHTSTONE  that,  immediately  prior  to the
         Effective  Date, (a) the GJT  Collaboration  Agreement is in full force
         and effect;  (b) the GJT Collaboration  Agreement has not been amended,
         modified or altered (by amendment,  side agreement or otherwise)  other
         than as described in the  recitals to this  Agreement,  (c) all amounts
         owing as of such date by  GENSIA  to GJT  under  the GJT  Collaboration
         Agreement have been paid in full; (d) it has not received any notice of
         uncured past default under the GJT Collaboration  Agreement,  (e) there
         exists no uncured  default  or event  which  (with only the  passage of
         time, the giving of notice or both) would constitute an uncured default
         of a material obligation under the GJT Collaboration  Agreement,  other
         than any default under the GJT  Collaboration  Agreement which directly
         or  indirectly  derives  from  or  relates  to the  same  or a  related
         occurrence  (or  series of  occurrences)  which  BMCT  alleges  (or may
         allege)  constitutes a default under the BMCT License and Collaboration
         Agreement or the BMCT Amended License and  Collaboration  Agreement and
         (f) to the best of its knowledge,  there exists no pending  litigation,
         arbitration  or similar  proceeding to which it is a party,  and it has
         not received written notice of any threatened  litigation,  arbitration
         or similar proceeding,  relating to the GJT Collaboration  Agreement or
         the activities contemplated by the GJT Collaboration Agreement.



                                    ARTICLE 3
                                    RELEASES


3.1      Release of GENSIA.  GENTA JAGO,  BRIGHTSTONE  and  SKYEPHARMA do hereby
         release,   remise  and  forever  discharge  GENSIA  and  its  officers,
         directors,  shareholders,  employees and agents from (i) liabilities of
         GENSIA resulting from acts of GENTA JAGO on or after the Effective Date
         arising  from  the  GJT   Collaboration   Agreement;   and  (ii)  those
         liabilities of GENSIA to GENTA JAGO,  BRIGHTSTONE or SKYEPHARMA arising
         from the GJT  Collaboration  Agreement  which have accrued prior to the
         Effective  Date and are actually  known by GENTA JAGO,  BRIGHTSTONE  or
         SKYEPHARMA.   In  no  event  shall  the  foregoing   release  apply  to
         obligations and liabilities of GENSIA owing to third parties.

3.2      Release of GENTA JAGO,  BRIGHTSTONE and SKYEPHARMA.  GENSIA does hereby
         release,  remise and forever discharge each of GENTA JAGO,  BRIGHTSTONE
         and SKYEPHARMA and its officers, directors, shareholders, employees and
         agents from any and all liabilities  and obligations  arising out of or
         related to the GJT Collaboration  Agreement which have accrued prior to
         the Effective Date and are actually known by GENSIA.  In no event shall
         the foregoing  release apply to  obligations  and  liabilities of GENTA
         JAGO, BRIGHTSTONE or SKYEPHARMA owing to third parties.


                                      - 3 -


<PAGE>

                                    ARTICLE 4
                                 INDEMNIFICATION

4.1      Indemnification  Provision.  Each of SKYEPHARMA,  BRIGHTSTONE AND GENTA
         JAGO severally agree to indemnify  GENSIA and hold GENSIA harmless from
         and against all losses,  liabilities,  damages and expenses,  including
         reasonable  attorneys'  fees and  costs,  incurred  as a result  of any
         claim,  demand,  action or other  proceeding  arising  from the acts or
         omissions  of  SKYEPHARMA,  BRIGHTSTONE  AND GENTA JAGO,  respectively,
         under  the  GJT  Collaboration  Agreement  accruing  on and  after  the
         Effective Date.  GENTA JAGO further agrees to indemnify GENSIA and hold
         GENSIA harmless from and against all losses,  liabilities,  damages and
         expenses,  including reasonable attorneys' fees and costs, arising from
         liabilities  and  obligations of GENSIA to GENTA JAGO arising out of or
         related  to the  GJT  Collaboration  Agreement  which  liabilities  and
         obligations  have accrued prior to the Effective  Date and are actually
         known  by  GENTA  JAGO;  provided,  however,  that  in no  event  shall
         SKYEPHARMA,  BRIGHTSTONE OR GENTA JAGO  indemnify  GENSIA in respect of
         obligations  and  liabilities of GENSIA owing to third parties.  GENSIA
         agrees to indemnify  GENTA JAGO and hold GENTA JAGO  harmless  from and
         against  all  losses,  liabilities,  damages  and  expenses,  including
         reasonable  attorneys'  fees and costs,  arising from  liabilities  and
         obligations  of GENTA JAGO to GENSIA  arising  out of or related to the
         GJT  Collaboration  Agreement which  liabilities  and obligations  have
         accrued prior to the Effective  Date and are actually  known by GENSIA;
         provided,  however,  that in no event shall GENSIA indemnify GENTA JAGO
         in respect of obligations  and liabilities of GENTA JAGO owing to third
         parties.  GENSIA agrees to indemnify  SKYEPHARMA,  BRIGHTSTONE or GENTA
         JAGO and  hold  each of them  harmless  from and  against  all  losses,
         liabilities, damages and expenses, including reasonable attorneys' fees
         and costs,  arising from liabilities and obligations of GENSIA owing to
         third parties  related to the GJT  Collaboration  Agreement,  provided,
         however, that the foregoing  indemnification shall not apply to losses,
         liabilities,  damages and expenses of the indemnified  parties incurred
         as a result of the operation of the first sentence of this Section 4.1.
         The  foregoing  notwithstanding,  in no event will any party  hereto be
         required to indemnify another party hereunder for any loss,  liability,
         damage  or  expense  to  the  extent  it is  caused  by  acts  of  such
         indemnified party  constituting  gross negligence or willful misconduct
         or constituting a breach of this Agreement.

4.2      Procedure.   A  party  (the   "Indemnitee")   that   intends  to  claim
         indemnification   under  this  Section  4  shall  promptly  notify  the
         indemnifying party (the "Indemnitor") of any claim,  demand,  action or
         other  proceeding in respect of which the  Indemnitee  intends to claim
         such  indemnification,  and the  Indemnitor  shall  have  the  right to
         participate  in, and, to the extent the Indemnitor so desires,  jointly
         with any other  Indemnitor  similarly  noticed,  to assume the  defense
         thereof with counsel  selected by the  Indemnitor,  provided,  however,
         that an Indemnitee shall have the right to retain its own counsel, with
         the fees  and  expenses  to be paid by the  Indemnitee.  The  indemnity
         obligations  under this  Section 4 shall not apply to  amounts  paid in
         settlement  of any claim,  demand,  action or other  proceeding if such
         settlement  is effected  without the consent of the  Indemnitor,  which
         consent  shall not be  unreasonably  withheld.  The  failure to deliver
         notice  to  the   Indemnitor   within  a  reasonable   time  after  the
         commencement  of any such  action,  if  prejudicial  to its  ability to
         defend such action,  shall relieve such  Indemnitor of any liability to
         the  Indemnitee  under this  Section 4, but the  omission so to deliver
         notice to the  Indemnitor  will not relieve it of any liability that it
         may have to any  Indemnitee  otherwise  than under this  Section 4. The
         Indemnitor may not settle the action or otherwise consent to an adverse
         judgment in such action that  diminishes the rights or interests of the
         Indemnitee without the express written consent of the Indemnitee, which
         consent  shall  not  be  unreasonably  withheld.  The  Indemnitee,  its
         employees


                                      - 4 -


<PAGE>

         and agents  shall  cooperate  fully with the  Indemnitor  and its legal
         representatives in the investigation of any action,  claim or liability
         covered by this indemnification.


                                    ARTICLE 5
                  AMENDMENTS TO THE GJT COLLABORATION AGREEMENT

         The GJT Collaboration Agreement is hereby amended as follows:

5.1      The  reference  to GENTA JAGO in the  ingress of the GJT  Collaboration
         Agreement:

                  JOBEWOL  INVESTMENTS  BV  (proposed  to be renamed  GENTA JAGO
                  TECHNOLOGIES BV), a Dutch corporation ("Technologies"), having
                  a place  of  business  located  at  Vijzelstraat  32,  NL-1017
                  Amsterdam, Netherlands,

                  shall be deleted and replaced by the following:

                  GENTA JAGO TECHNOLOGIES BV, A DUTCH COMPANY  ("TECHNOLOGIES"),
                  HAVING  A  PLACE  OF  BUSINESS  AT  GRUNDSTRASSE  12,  CH-6343
                  ROTKREUZ, SWITZERLAND,

5.2      In Section  1.2,  the  qualifying  threshold  of voting  stock or other
         ownership interest shall be increased from at least forty percent (40%)
         to MORE THAN FIFTY PERCENT (50%).

5.3      Section  1.11 shall be  deleted in its  entirety  and  replaced  by the
         following new Section:

         1.11 "GEOMATRIX(R)  TECHNOLOGY" SHALL MEAN THE ORAL  CONTROLLED-RELEASE
         DRUG  DELIVERY  AND  RELATED  TECHNOLOGY  LICENSED TO  TECHNOLOGIES  BY
         JAGOTEC AG WHICH UTILIZES A HYDROPHILIC  DRUG-CONTAINING  MATRIX TABLET
         WHICH  CONTROLS  THE RELEASE OF THE DRUG THROUGH THE USE OF ONE OR MORE
         BARRIER LAYERS, TOGETHER WITH ALL IMPROVEMENTS THEREON AND THERETO.

5.4      Section  2.5 shall be  deleted  in its  entirety  and  replaced  by the
         following new Section:

         2.5 RIGHTS TO  GEOMATRIX(R)  TECHNOLOGY.  TECHNOLOGIES  REPRESENTS  AND
         WARRANTS THAT IT HAS THE  EXCLUSIVE  RIGHT AND LICENSE FOR SALE AND USE
         IN THE FIELD UNDER THE PATENT RIGHTS,  THE GEOMATRIX(R)  TECHNOLOGY AND
         THE KNOW-HOW NECESSARY AND REQUIRED TO GRANT THE LICENSES UNDER ARTICLE
         6.1 BELOW, AND THAT IT HAS THE RIGHT TO GRANT THE LICENSES HEREUNDER.

5.5      Section 14.4 shall be amended by the following new sub-section

         14.4     TERMINATION OF THE LICENSE AGREEMENTS.
         14.4.1 IN THE EVENT THAT THE LICENSE  AGREEMENT IS TERMINATED  PRIOR TO
         THE  EXPIRATION  OF THE  LAST TO  EXPIRE  OF THE  PATENTS  LICENSED  TO
         TECHNOLOGIES  IN THE  TERRITORY,  THEN  JAGOTEC  SHALL  GRANT A  DIRECT
         LICENSE  TO  BRIGHTSTONE  WHEREUNDER  THE SAME  LICENSE  RIGHTS  AS ARE
         GRANTED  UNDER THE  LICENSE  AGREEMENT  TO  TECHNOLOGIES  ARE  DIRECTLY
         GRANTED TO  BRIGHTSTONE.  IN THIS EVENT JAGOTEC SHALL ASSUME ALL RIGHTS
         AND OBLIGATIONS OF TECHNOLOGIES UNDER THIS AGREEMENT AND SHALL PROMPTLY
         CURE ALL DEFAULTS OF TECHNOLOGIES UNDER THIS AGREEMENT, IF ANY.


                                      - 5 -


<PAGE>

         14.4.2  NOTWITHSTANDING  ANYTHING  CONTAINED IN THIS SECTION  14.4,  NO
         ACTION  TAKEN BY  JAGOTEC  AND/OR  BRIGHTSTONE  TO  CONTINUE  OR NOT TO
         CONTINUE THE LICENSE SHALL RELIEVE  TECHNOLOGIES FROM ANY LIABILITY FOR
         ANY UNCURED  DEFAULTS UNDER THIS  AGREEMENT OR THE LICENSE  AGREEMENTS,
         AND  SUCH  ACTION  BY  JAGOTEC  AND/OR  BRIGHTSTONE  SHALL  BE  WITHOUT
         PREJUDICE TO ANY OTHER RIGHTS OR REMEDIES  JAGOTEC  AND/OR  BRIGHTSTONE
         MAY HAVE IN LAW OR EQUITY.

5.6      In Section 20.1, the notice  addresses to BRIGHTSTONE and  Technologies
         are amended as follows:

         If to BRIGHTSTONE:   BRIGHTSTONE PHARMA INC.
                              109 MacKenan Drive
                              Cary, NC 27511, U.S.A.
                              att: Joseph F. Bozman, Jr.


                                      - 6 -


<PAGE>

         with copies to:     SKYEPHARMA PLC
                             105 Piccadilly
                             London W1V 9FN, England
                             att: Company Secretary

         and:                RINDERKNECHT GLAUS & STADELHOFER
                             Beethovenstrasse 7
                             P.O. Box 4451
                             CH-8022 Zurich, Switzerland
                             att: Dr. Thomas M. Rinderknecht

         If to TECHNOLOGIES: GENTA JAGO TECHNOLOGIES BV
                             Swiss Branch
                             Grundstrasse 12
                             CH-6343 Rotkreuz
                             att: Management Committee

         with copies to:     remains unchanged

5.7      Section 20.6 (Non-Competition) shall be deleted in its entirety.


                                    ARTICLE 6
                                 CONFIDENTIALITY

6.1      For a  period  of ten  years  from the  Effective  Date,  GENSIA  shall
         maintain in  confidence  and shall not use in any way  information  and
         data resulting from or related to the development of the Products under
         the GJT Collaboration  Agreement and, to the extent not included in the
         foregoing, information supplied by GENTA JAGO and marked "Confidential"
         (collectively the "Information").

6.2      The  obligation not to disclose or use  Information  shall not apply to
         any part of such Information that (a) is or becomes patented, published
         or otherwise  part of the public domain other than by acts of GENSIA or
         its Affiliates or sublicensees in contravention of this Agreement,  (b)
         is disclosed to GENSIA or its  Affiliates  or  sublicensees  by a Third
         Party,  provided that such  Information  was not obtained by such Third
         Party  directly or indirectly  on a  confidential  basis,  (c) prior to
         disclosure  to  GENSIA  was  already  in  possession  of  GENSIA or its
         Affiliates or sublicensees,  provided such Information was not obtained
         directly  or  indirectly  from GENTA  JAGO under the GJT  Collaboration
         Agreement,  or (d) is  disclosed  in a press  release  agreed to by all
         parties  hereto.   GENSIA  agrees  that  it  shall  not,   directly  or
         indirectly,  perform  research and  development  on,  promote,  sell or
         distribute  another sustained release  formulation of Nifedipine in the
         Territory,   provided,  however,  that  the  foregoing  non-competition
         obligation  shall  not  apply to  GENSIA  in the  event of a change  of
         control (as defined in Section 13.2.4 of the License and  Collaboration
         Agreement between GENSIA and BMCT).

6.3      Furthermore,  GENSIA  shall not  disclose to any third party any of the
         terms  or  conditions  of  the  GJT  Collaboration  Agreement  or  this
         Agreement  without  the prior  written  consent  of the  other  parties
         hereto,  except  where and to the extent  required by  applicable  law.
         Notwithstanding the foregoing, prior to the Effective Date, the parties
         hereto shall agree on the substance of


                                      - 7 -


<PAGE>

         information   to  describe  the  terms  of  this   transaction,   which
         information may be disclosed by GENSIA without the consent of the other
         parties hereto.


                                    ARTICLE 7
                 CLOSING, CONDITION PRECEDENT AND EFFECTIVE DATE

7.1      The closing of the transaction  contemplated  hereby  ("Closing") shall
         take  place at the  offices of Bryan Cave LLP,  counsel  for BMCT,  700
         Thirteenth Street,  N.W.,  Washington,  D.C., or at such other place as
         the parties may agree at 1:00 p.m. EST on February  24, 1997,  provided
         that the following conditions precedent have been fulfilled:

         (a)      GENSIA, JAGOTEC, BRIGHTSTONE and SKYE PHARMA shall have agreed
                  upon and duly  executed an assignment  agreement  (hereinafter
                  the "JAGOTEC Assignment")  providing for the assignment of all
                  of GENSIA's rights and obligations under the License Agreement
                  to, and the assumption thereof by, BRIGHTSTONE under terms and
                  conditions reasonably acceptable to all parties thereto; and

         (b)      GENSIA,  JAGO PHARMA,  BRIGHTSTONE  and SKYE PHARMA shall have
                  agreed  upon  and  duly  executed  an   assignment   agreement
                  (hereinafter the "JAGO PHARMA  Assignment")  providing for the
                  assignment of all of GENSIA's rights and obligations under the
                  Supply   Agreement   to,  and  the   assumption   thereof  by,
                  BRIGHTSTONE under terms and conditions  reasonably  acceptable
                  to all parties thereto; and

         (c)      GENSIA,  BMCT,  BRIGHTSTONE  and SKYE PHARMA shall have agreed
                  upon and duly  executed an assignment  agreement  (hereinafter
                  the "BMPC Assignment")  providing for the assignment of all of
                  GENSIA's rights and  obligations  under the BMPC Agreement to,
                  and the  assumption  thereof by,  BRIGHTSTONE  under terms and
                  conditions reasonably acceptable to all parties thereto.

7.2      Provided  that the Closing  shall take place as provided  hereinbefore,
         the "Effective Date" of this transaction shall be October 1, 1996.


                                    ARTICLE 8
                                  MISCELLANEOUS

8.1      This  Agreement  embodies  the entire  understanding  among the parties
         hereto   and   supersedes   any  prior   representations,   agreements,
         arrangements or understandings  among them regarding the subject matter
         hereof, including but not limited to the letter of intent dated October
         17, 1996.  There are no  representations,  agreements,  arrangements or
         understandings, oral or written, among the parties hereto regarding the
         subject matter hereof which are not fully expressed herein.

8.2      No  change,  modification,  extension,  termination  or  waiver of this
         Agreement,  or any provision  herein  contained,  shall be valid unless
         made in writing and duly signed by  authorized  representatives  of the
         parties hereto.

8.3      This  Agreement  may be executed in two or more  counterparts,  each of
         which  shall be deemed an  original,  but all of which  together  shall
         constitute one and the same instrument.


                                      - 8 -


<PAGE>

IN WITNESS WHEREOF, the parties hereto have executed this Agreement effective as
of the date first written above.

GENSIA, INC.

   /s/David F. Hale
- - - ---------------------------------
By:  David F. Hale
Its:  Chairman, President and CEO


GENTA JAGO Technologies B.V.


  /s/                                            /s/Thomas H. Adams
- - - ---------------------------------              ---------------------------------
By:                                            By: Thomas H. Adams, Ph.D.
Its:  Managing Director                        Its:  Managing Director


BRIGHTSTONE PHARMA INC.


  /s/
- - - ---------------------------------
By:
Its:  President


SKYE PHARMA PLC


   /s/
- - - ---------------------------------
By:
Its:  Chairman


                                                                   EXHIBIT 10.89
                        CONFIDENTIAL TREATMENT REQUESTED

                       DEVELOPMENT AND MARKETING AGREEMENT


         THIS AGREEMENT, is made as of the Effective Date (as defined below), by
and  between  APOTHECON,  INC.,  a  Delaware  corporation,  with  offices at 777
Scudders Mill Road, Plainsboro,  New Jersey 08536, USA, (hereinafter referred to
as "APOTHECON") and GENTA JAGO TECHNOLOGIES BV, a Dutch company,  having offices
at  Grundstrasse  12, 6343  Rotkreuz,  Switzerland  (hereinafter  referred to as
"GJT").

                                    RECITALS

         WHEREAS,   GJT  has  the   expertise   and  skill   needed  to  develop
pharmaceutical  preparations in * formulation of *  (hereinafter,  as more fully
defined below, referred to as the "Product"); and

         WHEREAS,  GJT (i) is the  exclusive  licensee  of  Jagotec  AG, a Swiss
corporation,  of certain patent rights covering the GEOMATRIX formulation of the
Product and (ii) is in possession of certain  know-how and technology  regarding
the development,  production and analytical methods of the Product (hereinafter,
as more fully defined below, referred to as "Know-how"); and

         WHEREAS,  APOTHECON is interested  in  developing,  manufacturing,  and
marketing the Product  throughout  the world and receiving an exclusive  license
under the relevant  GEOMATRIX patent rights and Know- how for such purpose,  and
GJT is willing to grant such exclusive license to APOTHECON; and

         WHEREAS,  all licenses and rights to make,  have made, use and sell the
Product have been granted pursuant to a license  agreement of even date herewith
between GJT and APOTHECON (said license agreement,  as the same may be extended,
supplemented  or changed  hereafter,  referred to  hereinafter as the "* License
Agreement"); and

         WHEREAS,  the parties desire to provide  herein for the  development of
the Product, all upon the terms and conditions set forth below.

         NOW,  THEREFORE,  in consideration of the above premises and the mutual
promises and covenants set forth herein, the parties agree as follows:


                                    ARTICLE 1
                                   DEFINITIONS

         The following  terms as used in this Agreement  shall have the meanings
set forth in this Article 1:

         * that (i) where marketed  within the United  States,  is classified by
FDA as an * under the Federal Food, Drug and Cosmetic Act, as amended,  and (ii)
where  marketed  outside  the United  States,  is  classified,  marketed  and/or
designated as a *.

         "Adverse Drug Reaction  (ADR)" shall have the meaning  ascribed to such
term under  applicable  law, but in any event shall include any  reaction,  side
effect or other undesirable event (such as side effects,  injuries,  toxicity or
sensitivity reaction, or any unexpected incidence and the severity thereof) that
is associated with the use of the Product in humans, whether or not the event is
considered  drug  related,  including,  but not  limited to, the  following:  an
adverse event  occurring in the course of the use of the Product in professional
practice,  including use in clinical studies; drug overdose,  whether accidental
or  intentional;  an adverse event  occurring from drug abuse;  an adverse event
occurring   from  drug   withdrawal;   any   significant   failure  of  expected
pharmacological or biological actions;


- - - ------------------
*    Confidential treatment requested. The redacted material has been separately
     filed with the Commission.


<PAGE>

and any adverse event  associated with the clinical use,  study,  investigation,
testing and  marketing  of the Product or any other  product (to the extent such
adverse event pertains to the use or incorporation  of the GEOMATRIX  Technology
in such product).  In addition,  when an ADR is herein referred to as "serious",
it shall have the meaning ascribed to such term under applicable law, but in any
event shall include one or more of the following: death; admission to a hospital
or  prolongation  of a  hospital  stay;  permanent  or  substantially  disabling
condition; life- threatening condition; overdose; congenital anomaly; or cancer.
Also,  when an ADR is herein  referred  to as  "unexpected",  it shall  have the
meaning  ascribed  to such term under  applicable  law,  but in any event  shall
include (x) for a non-marketed  product, an experience that is not identified in
nature,   severity  or   frequency  in  the  current   clinical   investigator's
confidential information brochure, and (y) for a marketed product, an experience
which is not listed in the current  labeling for such  product,  and includes an
event that may be symptomatically and  pathophysiologically  related to an event
listed in the labeling but differs from the event because of increased frequency
or greater severity or specificity.

         "Affiliate"  means, with respect to any Person,  any other Person which
directly or indirectly  controls,  is controlled  by, or is under common control
with, such Person. A Person shall be regarded as in control of another Person if
it/he/she owns, or directly or indirectly controls,  fifty percent (50%) or more
of the voting  stock or other  ownership  interest  of the other  Person,  or if
it/he/she  directly  or  indirectly  possesses  the power to direct or cause the
direction  of the  management  and  policies  of the  other  Person by any means
whatsoever. For example, Jagotec and Jago Pharma AG are Affiliates of GJT.

         "Developmental  Program" shall mean a development  program in which the
different  activities  to be  performed  by GJT and  APOTHECON  shall be  listed
(together with a respective  time schedule for the development of the Product to
be carried out by GJT and/or  APOTHECON),  as the case may be, according to such
"Project  Addendum" (and as amended or supplemented by mutual written  agreement
from time to time  hereafter),  with the initial  Project  Addendum  attached as
Exhibit 1.1(i) hereto.

         "Effective  Date" means the date when this  Agreement  is executed  and
delivered by the parties  hereto,  and (i)  APOTHECON  shall have  received duly
executed  originals  of all  Waivers and  Consents  required  under  Section 3.6
hereof,  (ii) all  opinions of counsel  contemplated  by section 3.7 hereof have
been  received by  APOTHECON,  and (iii) Jagotec and Jago Pharma shall have duly
executed the acknowledgment on the signature page of this Agreement.

         "...exclusive...."  means,  with  respect  to the grant of a license or
sublicense,  or to the appointment of a distributor,  a license,  sublicense, or
appointment whereby the licensee's, sublicensee's or appointee's rights are sole
and  entire,  and  operate  to  exclude  all  others,  including  the  licensor,
sublicensor  and  appointor,  as the case may be,  and may be  exercised  by the
licensee  or  sublicensee  itself or through one or more of its  Affiliates.  An
exclusive licensee (and permitted sublicensees) may sell and distribute Products
through agents and distributors under exclusive or nonexclusive  arrangements in
any country in the Territory. ". . . semi-exclusive. . . .", with respect to the
grant of a license or sublicense, or to the appointment of a distributor,  shall
be  interpreted  in the same manner as the preceding  sentence,  except that the
licensor,  sublicensor  or  appointor,  as the  case  may be,  may  also use the
licensed,  sublicensed or appointed  rights itself or through one or more of its
Affiliates.

         "FDA" shall mean the United States Food and Drug Administration, or any
successor   agency  having   regulatory   jurisdiction   over  the  manufacture,
distribution and sale of drugs in the United States.

         "First  Commercial  Sale" shall mean, with respect to any Product,  the
first sale for use or  consumption  by the general  public of such  Product in a
particular  country in the Territory after the required  marketing  approval and
pricing approval,  if any, has been granted by the governing health authority of
such country.

         "GEOMATRIX  Agreements"  means the  GEOMATRIX  License  Agreement,  the
GEOMATRIX License Agreement,  the GEOMATRIX Supply Agreement,  and the GEOMATRIX
Research  and   Development   Agreement   (each,   individually,   a  "GEOMATRIX
Agreement").


                                       -2-


<PAGE>

         "GEOMATRIX License Agreement" shall mean the Restated GEOMATRIX License
Agreement dated as of May 12, 1995 between GJT and Jagotec.

         "GEOMATRIX  Manufacturing  License  Agreement"  shall mean the Restated
GEOMATRIX  Manufacturing  License Agreement dated as of May 12, 1995 between GJT
and Jagotec.

         "GEOMATRIX  Research  and  Development  Agreement"  means the  Restated
GEOMATRIX  Research and  Development  Agreement  dated as of May 12, 1995 by and
among GJT, Jago Pharma AG, as Swiss corporation,  Genta Incorporated, a Delaware
corporation,  and Genta Jago  Delaware,  L.L.C.,  a Delaware  limited  liability
company.

         "GEOMATRIX  Supply  Agreement"  means  the  Restated  GEOMATRIX  Supply
Agreement dated as of May 12, 1995 by and among GJT and Jago Pharma AG, as Swiss
corporation.

         "GEOMATRIX Technology" means all oral  controlled-release drug delivery
and related  technology  which utilizes a hydrophilic  drug-containing  matrix *
which  controls  the release of the drug  through the use of one or more barrier
layers,  together with all improvements  thereon and thereto,  all to the extent
and only to the  extent  that GJT now has or  hereafter  will  have the right to
grant licenses, immunities or other rights thereunder.

         "Gross Margin" shall have the meaning  ascribed to such term in Section
7.2.2 of the * License Agreement.

         "Jagotec"  means  Jagotec  AG, a Swiss  corporation,  having a place of
business at Seestrasse 47, CH-6052 Hergiswil, Switzerland.

         "Jago Pharma" means Jago Pharma AG, a Swiss corporation, having a place
of business at Eptingerstrasse 51, CH-4132 Muttenz, Switzerland.

         "* License  Agreement" means the agreement  referred to in the recitals
above.

         "Know-how"  means  all  information  and data,  which is not  generally
known,  including,  but  not  limited  to,  formulae,   procedures,   protocols,
techniques,  preclinical  and clinical  developmental  and technical  data,  and
results of  experimentation  and testing,  which (a)(i)  relate to the GEOMATRIX
Technology  or the  Product,  or the  manufacture  or use of  same,  or (ii) are
necessary or useful to develop, make, use, sell or seek regulatory approval in a
country in the Territory to make, use or sell the Product, and (b) are developed
or acquired by or are under the control of a party to this Agreement.

         "Manufacturing   Cost"  shall  mean  the  cost  to  APOTHECON  and  its
Affiliates  of * by  APOTHECON  or such  Affiliates  in the  manufacture  of all
products  produced  in the  facility  or  facilities  in which  the  Product  is
manufactured.  If  the  Product  is  manufactured  in  whole  or in  part  by an
unAffiliated Third Party, the costs to be taken into account shall be the amount
paid to such Third Party plus any of the aforementioned  costs that are incurred
in completing the manufacture and delivery of the Product.

         "Net Sales" shall mean the  applicable  quantity of Product  times "Net
Sales  Price." It shall be  determined  at the point of sale from  APOTHECON (or
from such of its Affiliates to whom APOTHECON may sell such Product) to a Person
not Affiliated with APOTHECON.

         "Net Sales Price" of Product shall mean the invoiced sales price of the
Product billed to independent customers of APOTHECON who are not its Affiliates,
less (to the extent incurred and absorbed by APOTHECON or its  Affiliates):  (a)
credits, allowances,  discounts and rebates to, and chargebacks from the account
of, such


- - - ------------------
*    Confidential treatment requested. The redacted material has been separately
     filed with the Commission.


                                       -3-


<PAGE>

independent  customers  for spoiled,  damaged,  out-dated,  rejected or returned
Product;  (b) actual freight and insurance costs in transporting  the Product in
final form to such customers;  (c) cash, quantity and trade discounts,  rebates,
and other  price  adjustments  or price  reduction  programs;  (d)  sales,  use,
value-added  and other direct taxes,  or any other  governmental  charge imposed
upon  the  production,  importation,  use or sale of the  Product;  (e)  customs
duties,  surcharges  and  other  governmental  charges  in  connection  with the
exportation  or  importation  of the  Product in final  form;  and (f)  invoiced
amounts with respect to the Product which are first outstanding and unpaid for *
days or more during the applicable  reporting period, less such invoiced amounts
outstanding and unpaid for * days or more which are received or recovered during
such reporting  period;  provided that such amounts under (f) shall not exceed *
of  APOTHECON  during the term hereof.  Notwithstanding  the  foregoing,  if any
Product is sold under * arrangements,  then,  prior to the First Commercial Sale
of such Product and thereafter promptly following the end of each calendar year,
APOTHECON  and GJT shall * the "Net Sales Price" for sales of such Product under
such * arrangements.  Such formula shall be based on such factors as the parties
* and shall  appropriately and equitably  allocate a sales price to Product sold
under such * arrangements.

         "Patent  Rights"  shall mean(a) all patent  applications  heretofore or
hereafter  filed or having legal force in any country in the Territory  owned by
or licensed to GJT or its Affiliates or to which GJT or its Affiliates otherwise
acquires  rights,  which claim the GEOMATRIX  Technology or the Product,  or the
process  of  manufacture  or use of the  GEOMATRIX  Technology  or the  Product,
together  with any and all  patents  that  have  issued or in the  future  issue
therefrom,  including  utility,  model and design  patents and  certificates  of
invention,  including but not limited to those patent  applications  and patents
listed on  Exhibit  1.1 (ii)  hereto,  and (b) all  divisionals,  continuations,
continuations-in-part,    reissues,   renewals,    extensions,    substitutions,
confirmations or additions to any such patents and patent  applications;  all to
the extent and only to the extent  that GJI now has or  hereafter  will have the
right to grant licenses, immunities or other rights thereunder.

         "Person" shall mean an  individual,  corporation,  partnership,  trust,
business  trust,   association,   joint  stock  company,  joint  venture,  pool,
syndicate,  sole  proprietorship,   unincorporated  organization,   governmental
authority, or any other form of entity not specifically listed herein.

         "Product"  shall  mean  a  pharmaceutical   composition   containing  *
(including  all commonly used and known salts and acids thereof) which is *, and
which  incorporates,  is  based  on and  is  derived  by  use  of the  GEOMATRIX
Technology.

         "Region I" shall  mean all  countries  located *, and their  respective
territories and possessions.

         "Region  II'  shall  mean  all   countries  *,  and  their   respective
territories and possessions.

         "Region III" shall mean *, and their respective territories and
possessions.

         "Region  IV" shall  mean all other  countries  of the world  other than
those  located  in  Regions  I-III,   and  their   respective   territories  and
possessions.

         "Registration"   shall   mean  any  form  and  type  of   registration,
application,   permit,  license,   authorization,   approval,   presentation  or
notification being requested by any competent authorities, government or body in
a given  country  for the  manufacturing,  production,  marketing,  advertising,
distribution,  sale,  trade,  import,  export  or use of the  Products  of  such
authority,  government or body, and shall include all acts, steps, applications,
presentations,  statements  or other  things  which are  necessary  or useful to
obtain the foregoing.


- - - ------------------
*    Confidential treatment requested. The redacted material has been separately
     filed with the Commission.


                                       -4-


<PAGE>

         "Research and  Development  Costs" shall mean (a) the  following  costs
reasonably  incurred  by  GJT  relating  to  its  development  and  Registration
responsibilities hereunder for the Product: raw materials,  energy, direct labor
(salary  and  benefits)  and  reasonable  allocable  direct  (but not  indirect)
overhead  charges  relating to the development and  Registration of the Product,
plus (b)  reasonable  out-of-pocket  or other expenses paid or accrued by GJT to
any  Subcontractee  performing any portion of such development and Registration,
provided that expenses paid to an Affiliate  Subcontractee under this clause (b)
shall not exceed the amounts  required to be paid under the  GEOMATRIX  Research
and Development  Agreement.  All such costs shall be determined and allocated in
accordance with generally accepted accounting principles, consistently applied.

         "Royalty  Term" shall  mean,  with  respect to each  Product in a given
country in the  Territory in which the Product is sold by or through  APOTHECON,
the term for which a Valid  Patent Claim  remains in effect,  and which would be
infringed by the manufacture, use or sale of the Product in such country but for
the license rights granted to APOTHECON under this Agreement.

         "Scale-Up"  shall mean,  with  respect to the Product and a  designated
Manufacturing  facility,  the process of  developing  a reliable  and  practical
method of manufacturing the Product in such designated manufacturing facility to
effectuate the orderly  transition from laboratory  production of the Product to
routine  full-scale  production  of the Product in such  designated  facility in
quantities necessary for commercial sale. Without limitation,  Scale-Up includes
(a)  installation,  evaluation  and validation of the necessary  equipment,  (b)
establishment,   evaluation,   validation  and  finalization  of  the  necessary
production and process  controls,  (c) demonstration of the ability to produce a
batch size of * of the proposed  commercial  production
batch for the Product at such facility, (d) demonstration of compliance with all
other  applicable  laws,  regulations  and  good  manufacturing  practices,  (e)
production of GMP bio-batches for pivotal clinical trials, and (f) transposition
to routine full scale production.

         "Specifications"  of the  Product  shall have the  meaning set forth in
Section 4.2 hereof.

         "Subcontractee" shall have the meaning ascribed to such term in Article
14 hereof.

         "Territory" shall mean *.

         "Third Party" means any Person other than GJT or  APOTHECON,  except as
otherwise specifically indicated.

         "Valid  Patent  Claim"  shall mean a claim of an issued  and  unexpired
patent included within the Patent Rights (or a claim under a patent  application
within the  Patent  Rights  that is being  diligently  prosecuted  by GJT or its
Affiliates),   which  has  not  been  held  permanently   revoked,  or  declared
unenforceable or invalid by a decision of a court or other  governmental  agency
of competent  jurisdiction,  unappealable or unappeased  within the time allowed
for  appeal,  and which has not been  admitted  to be invalid  or  unenforceable
through reissue or disclaimer or otherwise (other than as required by applicable
law to initiate the reissue of a patent).

         "Validated  Manufacturing  Scale-Up"  shall mean,  with  respect to the
Product and a designated Manufacturing facility, a reliable and practical method
of  manufacturing  the Product in such  designated  manufacturing  facility  for
routine  full-scale  production  of the Product in such  designated  facility in
quantities   necessary  for  commercial  sale.  Without  limitation,   Validated
Manufacturing  Scale-Up includes (a) installation,  evaluation and validation of
the  necessary  equipment,   (b)  establishment,   evaluation,   validation  and
finalization of the necessary  production and process  controls,  (c) successful
demonstration  and validation of the ability to produce GMP batch sizes equal to
one hundred percent (100%) of the proposed  commercial  production batch for the
Product  at such  facility,  (d)  demonstration  of  compliance  with all  other
applicable  laws,  regulations  and  good  manufacturing   practices,   and  (e)
transposition to routine full scale production.


- - - ------------------
*    Confidential treatment requested. The redacted material has been separately
     filed with the Commission.


                                       -5-


<PAGE>

                                    ARTICLE 2
                               OWNERSHIP OF RIGHTS

         2.1      Ownership of Rights. [Intentionally omitted.]

         2.2 No Taking  Subject To. Except as may be expressly set forth in this
Agreement,  any sublicense or other rights granted  APOTHECON  hereunder are not
subject to the terms and  conditions of the  GEOMATRIX  License  Agreement,  the
GEOMATRIX Manufacturing License Agreement, the GEOMATRIX Supply Agreement or the
GEOMATRIX Research and Development  Agreement,  and APOTHECON shall not be bound
by any obligations or undertakings of GJT under any of the aforesaid agreements.

         2.3  Enforcement of GEOMATRIX  Agreements.  GJT covenants and agrees to
comply with its duties and obligations  under the GEOMATRIX  License  Agreement,
the GEOMATRIX  Manufacturing License Agreement,  the GEOMATRIX Supply Agreement,
and  the  GEOMATRIX  Research  and  Development  Agreement  (collectively,   the
"GEOMATRIX  Agreements"),  and to use best  efforts  to  enforce  its rights and
privileges  under  each  such  GEOMATRIX  Agreement  so as  not to  diminish  or
adversely affect in any material respect the rights and privileges  available to
APOTHECON under this  Agreement.  GJT agrees not to terminate any such GEOMATRIX
Agreement or waive in any material respect any rights or privileges available to
it under any such GEOMATRIX Agreement which would have the effect of diminishing
or  adversely  affecting  in any  material  respect  the rights  and  privileges
available to APOTHECON  hereunder or which would have the effect of  diminishing
or adversely  affecting in any material  respect GJT's agreements or obligations
hereunder, without the prior written consent of APOTHECON.


                                    ARTICLE 3
              GRANT OF LICENSE; BACK-UP SUPPLY; CONSENT AND WAIVER

         3.1      Grant of License. [Intentionally omitted].

         3.2      Manufacture and Supply of Product.

         3.2.1 Subject to the terms of this Agreement,  and where referenced the
         * License Agreement,  APOTHECON will arrange, through itself and/or its
         Affiliate(s)  and/or a Third  Party,  to  manufacture  and  supply  the
         Product  needed for GJT to conduct  all  testing  and other  activities
         contemplated  by or  through  it under  the  Development  Program  (and
         section  4.6  hereof)  or needed to  register  the  Product  in a given
         country.   APOTHECON  will  also  be  responsible   for  arranging  and
         coordinating,  either  through  itself or its  Affiliates  or through a
         Third  Party,  for the  supply of the  Product  as will be used for all
         other  commercial  purposes,  and for  procuring  and supplying the raw
         material  to make  the  Product  (other  than raw  material  previously
         purchased by GJT for the Development Program).

         3.2.2.1  GJT shall remain solely  responsible to APOTHECON  (whether or
                  not  delegated  by GJT)  for all  matters  relating  to  GJT's
                  responsibilities  hereunder,  including without limitation the
                  following   matters:   bioequivalence  and  clinical  testing;
                  transfer and training in the use of the  GEOMATRIX  Technology
                  by  APOTHECON,  its  Affiliates,  and any  contract or back-up
                  supply  manufacturer  selected  by  APOTHECON;  and prompt and
                  complete training and consulting  assistance in the use of the
                  GEOMATRIX  Technology so that  APOTHECON  may,  through itself
                  and/or its Affiliates or a Third Party,  initiate and complete
                  Scale-Up  (including  Validated  Manufacturing  Scale-Up) on a
                  timely basis.

         3.2.2.2  As  soon  as  reasonably  practicable  after  the  date of the
                  Agreement,  and from time to time  thereafter  during the term
                  hereof as additional information becomes available,  GJT shall
                  provide,  and/or  shall cause its  Affiliates  to provide,  to
                  APOTHECON   (and   any   contract    and/or   back-up   supply
                  manufacturer(s)  designated  by APOTHECON in  accordance  with
                  this Agreement and, where referenced, the * License Agreement)
                  with all Know-How,  information  regarding the Patent  Rights,
                  technical assistance and such other


- - - ------------------
*    Confidential treatment requested. The redacted material has been separately
     filed with the Commission.


                                       -6-


<PAGE>

                   cooperation  as may be reasonably  requested by APOTHECON and
                   is available  from GJT from time to time  hereunder to enable
                   APOTHECON  (and  any  such  contract  and/or  back-up  supply
                   manufacturer(s)   designated  by  APOTHECON)  to  obtain  all
                   regulatory   approvals   required  (i)  to  effect   Scale-Up
                   (including  Validated   Manufacturing   Scale-Up),   (ii)  to
                   qualify,  file and obtain  registration as a manufacturer and
                   supplier  (or  back-up  supplier,  as the case may be) of the
                   Product,  and  (iii) to make  and/or  have made  Products  in
                   accordance  with the terms of this  Agreement and  applicable
                   regulatory filings therefor. Additionally, GJT shall make its
                   and/or its Affiliates'  employees and  consultants  available
                   for  consultation,  at such time and place as APOTHECON  (and
                   any  such  contract  and/or  back-up  supply  manufacturer(s)
                   designated by APOTHECON)  reasonably requests,  regarding the
                   scale-up and  manufacture of Products.  Technical  assistance
                   supplied by GJT and/or its Affiliates for such purposes shall
                   be without  additional  charge for such services to APOTHECON
                   (and any such contract  and/or  back-up  supply  manufacturer
                   designated by APOTHECON),  except to the extent reimbursement
                   for such  charge  is  already  included  within  the  budgets
                   pursuant to section 4.6 hereof,  and provided that  APOTHECON
                   will reimburse GJT and/or its Affiliates for any reasonable *
                   incurred by GJT or its Affiliates in connection therewith not
                   covered  by  such  budgets  and for any  other  reasonable  *
                   (including *) needed to train an entity (other than APOTHECON
                   and one  unAffiliated  Third Party selected by APOTHECON as a
                   contract  or back-up  supplier)  in the use of the  GEOMATRIX
                   technology.

         3.3      Other Suppliers. [Intentionally omitted.]

         3.4      Initiation of Back-up Supply. [Intentionally omitted.]

         3.5      Sublicenses to Certain Third Parties. [Intentionally omitted].

         3.6  Consent  and  Waiver  Agreements.  As  a  material  inducement  to
APOTHECON's   willingness  to  enter  into  this  Agreement,   GJT  will  cause,
contemporaneously with the execution and delivery of this Agreement, each of the
Consent and Waiver  Agreements  in the form  attached  as  Exhibits  3.6(i)-(iv)
hereto to be executed and delivered to APOTHECON.

         3.7  Opinions  of Counsel.  Contemporaneously  with the  execution  and
delivery  of this  Agreement,  GJT will  deliver  opinions of counsel to itself,
Jagotec and Jago Pharma AG, and an opinion of counsel to Genta Incorporated,  in
form and substance satisfactory to APOTHECON.

                                    ARTICLE 4
                               PRODUCT DEVELOPMENT

         4.1  Information  Exchange.  Promptly  following the Effective Date and
thereafter as it becomes available during the term of this Agreement, each party
agrees, subject to conflicting third party rights, to promptly furnish the other
in  writing  all  technical  information  and  pre-clinical  and  clinical  data
developed  or acquired  relating  to the Product  that comes into the control or
possession of a party,  including all  information in the nature of improvements
or modifications to the aforesaid and all  toxicological,  analytical,  chemical
data,  and the like,  provided,  that the  foregoing  shall not be  construed as
covering,  or requiring  APOTHECON to disclose,  any  manufacturing  know-how or
trade  secrets  (including  but  not  limited  to  procedures,  techniques,  and
processes) of APOTHECON,  its  Affiliates  or its contract  suppliers.  All such
information  exchanged  shall be  treated  as  Confidential  Information  of the
disclosing party.

         4.2  Product   Specifications.   The  parties  agree  to  target,   and
acknowledge that the costs of Product development set forth in section 4.6 below
contemplate,  the  development  of the  Product  *.  The  parties  may in  their
discretion  determine hereafter to pursue different or additional  strengths for
the Product, in which event the parties will negotiate mutually acceptable terms


- - - ------------------
*    Confidential treatment requested. The redacted material has been separately
     filed with the Commission.


                                       -7-


<PAGE>

and conditions for the  development and marketing of same, with such terms to be
similar,  where  practicable,  to the terms and conditions  contained herein, it
being  further  understood  that  APOTHECON  will fund the costs to develop  and
register any such additional strengths.

         The dosage  strength,  formulation,  quality  and other  specifications
("Specifications") of the furnished Product shall depend in relevant part on the
following items:

         i)       Conformity  to  current  USP  monograph(s)  for all  pertinent
                  inactive and active ingredients;

         ii)      election  of dosage  strength  and  formulation  (the  parties
                  agreeing  initially  to target *, and to  determine  hereafter
                  (based  upon  estimates  of the cost of  development  thereof)
                  whether also to pursue development of *); and

         iii)     GMP-related   specifications   resulting  from  GJT's  Product
                  validation.

         The parties  shall jointly  agree upon and  memorialize  in writing the
Specifications  for the Product at the earliest  practicable  time;  the initial
Specifications  are  attached  as  Exhibit  4.2  hereto.  Hereafter,  changes or
supplements to the Specifications may be made only by mutual written agreement.

         4.3 APOTHECON Product Development Duties. Subject to section 6.2 of the
* License Agreement, APOTHECON will, at its expense, use commercially reasonable
efforts to  prepare or have  prepared  (by itself or through an  Affiliate)  the
necessary documentation,  and shall take or have taken all necessary actions, to
obtain and maintain all  Registrations  (e.g., the ANDA in the United States) in
its name for the marketing of the Product  during the term of this  Agreement in
those countries in the Territory in which,  and for so long as, APOTHECON in its
discretion  considers it  commercially  feasible to do so.  APOTHECON  shall use
commercially  reasonable  efforts to complete such Registrations in its own name
(or in the name of an Affiliate,  if APOTHECON  believes that such  Registration
would be  better  effected  by an  Affiliate  in such  country)  as  quickly  as
commercially feasible. GJT will have the right to review and comment on all such
regulatory applications and other submissions prior to filing, and APOTHECON (or
such Affiliate) will give due  consideration to any reasonable  requests of GJT.
APOTHECON  shall  inform  GJT  promptly  in writing  on any  unforseen  material
problems,   delays  or  requirements  in  connection  with  such  Registrations.
APOTHECON (or such Affiliate) shall maintain such  Registrations for the Product
in each country in the Territory in which the Product is sold during the term of
this  Agreement,  or such portion  thereof as  APOTHECON  (or an  Affiliate)  is
selling the Product in such country,  and thereafter for such period as required
by  applicable  law  or  regulation.  APOTHECON  (or  such  Affiliate)  will  be
responsible  for  all  costs  incurred  by  it in  connection  with  filing  and
maintaining such Registrations.

         GJT shall, or shall cause its Affiliates,  Subcontractees and licensors
of the GEOMATRIX  Technology to, provide such advice and technical assistance as
APOTHECON (or its Affiliates) may reasonably request in order to prepare, obtain
and maintain such  Registrations.  APOTHECON (and any pertinent  Affiliate) will
have the right to review, copy, access, cross-reference and use all development,
manufacturing  and testing  information  obtained or developed by any of them as
APOTHECON  (or such  Affiliate)  reasonably  considers  necessary to obtain such
Registrations.  All  material  provided  by GJT toward  that end will be held in
confidence  (subject to  regulatory  and filing  requirements)  under Article 10
hereof.

         APOTHECON  shall  be  responsible  for  all  costs  incurred  by  it in
connection  with  such  Registrations.  GJT shall be  responsible  for any costs
incurred by it in  connection  with  assisting  APOTHECON to obtain and maintain
same, to the extent not subsumed within the payments contemplated by section 4.6
hereof.

         4.4      GJT Product Development Duties.  Subject to Article 4.7:

         4.4.1 GJT will use commercially  reasonable  efforts to conduct or have
         conducted  such  research,  formulation,   development,   testing,  and
         preclinical and human clinical trials and bioequivalence testing as are
         necessary or desirable  to obtain all  required  Registrations  for the
         Product   in   those   countries   in  the   Territory   selected   for
         commercialization  by APOTHECON,  in accordance  with the terms of this
         Agreement


- - - ------------------
*    Confidential treatment requested. The redacted material has been separately
     filed with the Commission.


                                       -8-


<PAGE>

         and the Development  Program.  GJT shall conduct or have conducted such
         activities in a diligent and efficient  manner and in compliance in all
         material   respects  with  all   applicable   governmental   and  legal
         requirements,  all applicable good  laboratory and clinical  practices,
         and all  applicable  standards of practice  established  by  applicable
         regulatory  authorities.  GJT shall  allocate all necessary  resources,
         including without  limitation  facilities,  equipment,  time and use of
         personnel  with  sufficient  skills  and  experience,  to  perform  and
         accomplish its development obligations hereunder.

         4.4.2 GJT will use  commercially  reasonable  efforts to  complete  all
         bioequivalence  testing and all pivotal clinical studies, and to assist
         APOTHECON  in  completing  and  demonstrating  Validated  Manufacturing
         Scale-Up, for the Product by *.

         4.5 Development  and  Registration  Reports.  In addition to such other
informal reports and meetings as the parties may mutually agree to conduct, each
party shall inform the other of all material  activities  and results  regarding
its development and Registration of the Product, as follows:

         4.5.1 Within * during the term of the Agreement (or more  frequently as
         APOTHECON  may  request),  GJT shall prepare and deliver to APOTHECON a
         written  summary  report  which shall  describe,  with  respect to each
         Product, the status of such research,  development, and clinical trials
         and such  Registrations.  Not less  than * to the  commencement  of any
         human clinical trials of the Product,  GJT shall provide APOTHECON with
         a reasonably  detailed  written report  summarizing such proposed human
         clinical trials.

         4.5.2 Not less than * to the filing or  submission  by APOTHECON of any
         regulatory filing or submission to an applicable  regulatory  authority
         regarding  Registration to market the Product,  APOTHECON shall provide
         GJT with a reasonably detailed written report summarizing such proposed
         regulatory filing or submission.

         4.5.3 Each party  shall  provide  the other with  prompt  notice of all
         regulatory  filings and submissions to, and all responses and approvals
         obtained from, regulatory authorities regarding any Registration sought
         by a Party for the Product.  Upon written request by the other party, a
         copy of any  filing  and  submission  made by a party  to a  regulatory
         authority,  as  well as the  regulatory  authority's  written  response
         thereto, shall be provided to the requesting party.

         4.6      Development Cost Funding.  Subject to section 4.7:

         4.6.1 * shall be  responsible  for * incurred by *, after July 1, 1995,
         in the  formulation,  development  and  testing  of the  Product in the
         Territory,  * as  provided  below.  GJT  will  be  responsible  for all
         research  and  development  costs in excess of such amounts that may be
         incurred by it or its  Subcontractees  in connection  therewith,  other
         than * associated with the conduct of pivotal clinical trials for which
         *  shall  be  responsible.  GJT has  estimated,  based  upon  currently
         available  information  and in  recognition  of  incomplete  regulatory
         guidance  available at this time,  that its external  costs  associated
         with the conduct of such pivotal  clinical studies will be in the range
         of *, it being  further  understood  that if actual costs are different
         (including materially  different) from such estimate,  GJT shall not be
         considered  to  have   breached  this   Agreement  by  reason  of  such
         difference, unless GJT's estimate was made in bad faith.

         GJT's  reasonable  and actual  Research and  Development  Costs will be
         reimbursed  by APOTHECON  subject to section  4.6.2 and pursuant to the
         following budget and milestones, as follows:


- - - ------------------
*    Confidential treatment requested. The redacted material has been separately
     filed with the Commission.


                                       -9-


<PAGE>

         GJT will  provide * to APOTHECON  of actual  Research  and  Development
         Costs expended by GJT under the budget for each  milestone  established
         below. When an advance against the full budget for a milestone has been
         fully  expended,  APOTHECON  will  thereafter  reimburse  GJT  for  its
         reasonable  and actual  Research and  Development  Costs incurred under
         such  milestone,  up to the total amount  budgeted for such  milestone,
         pursuant to such * submitted by GJT; provided, however,
         that any individual charges * can be submitted for reimbursement by GJT
         separately from the *,  APOTHECON will pay same, to the
         extent not  contested  by it in good  faith,  within  thirty  (30) days
         thereafter.

         Upon  conclusion  of  each  milestone,   GJT  will  submit  a  detailed
         reconciliation  of actual Research and Development Costs incurred by it
         under such  milestone  against  budget.  Any * by  APOTHECON  will be *
         payments to be made under the succeeding milestone (and against outside
         clinical  expenses * by it); any excess actual Research and Development
         Costs  reasonably  incurred by * may be * by it against  any  favorable
         budget  variance  arising  under  a  succeeding  milestone  or  will be
         reimbursed  by  APOTHECON  following  conclusion  of the work under all
         milestones  against an * reserved  by * for same.  Should the  payments
         made by APOTHECON in the  aggregate  following  conclusion  of the work
         under all milestones exceed the actual direct costs reasonably incurred
         by GJT,  the  difference  will be  repaid to  APOTHECON  within 30 days
         following ANDA approval.

     The budget and payment milestones are as follows:

         4.6.1.1   Contract    signing/Feasibility   Studies.   (This   includes
         formulation development,  analytical methods development, and * product
         *). The budget for this milestone is * which will be paid upon contract
         signing.

         4.6.1.2 Initiation of Scale-Up Activities. (This includes raw materials
         previously  purchased  by *,  *  Scale-Up  activities,  and  analytical
         methods  validation).  The budget for this milestone is * of which will
         be paid  upon  initiation  of work  for  scaling  up the  manufacturing
         processes  and  analytical  methods  validation  for  production of the
         bio-batch, and the balance to be paid as provided above in this section
         4.6.1.

         4.6.1.3 Bio-batch manufacturing. (This includes transfer of methods and
         GEOMATRIX  technology.  Actual manufacturing and raw materials purchase
         will be handled directly by *, other than raw materials  purchase for *
         which have  previously been purchased by * and will paid for separately
         by * pursuant to section  4.6.1.2).  The budget for this milestone is *
         of which will be paid upon  initiation of work for  manufacture  of the
         bio-batch, and the balance to be paid as provided above in this section
         4.6.1.

         4.6.1.4  Clinical  studies  and  laboratory   trials.   (This  includes
         preparation,   initiation  and  completion  of  all  clinical   trials,
         compilation of data for * section,  and stability testing).  The budget
         for this milestone * exclusive of GJT's external costs to Third Parties
         associated with the conduct of such pivotal clinical studies. * will be
         paid upon initiation of work for the commencement and completion of the
         pivotal clinical  trials,  and the balance to be paid as provided above
         in this section 4.6.1.


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*    Confidential treatment requested. The redacted material has been separately
     filed with the Commission.


                                      -10-


<PAGE>

                  4.6.1.4.1  External  Clinical   Development  Costs.  GJT  will
                  structure  and present  for  APOTHECON's  approval  (not to be
                  unreasonably   withheld)  the  clinical   program   (including
                  protocols and  selection of Third  Parties  serving as CROs or
                  otherwise  providing  clinical  services) required for Product
                  testing  and  approval,   as  well  as  the  budget   therefor
                  (including  all  amounts to be paid to such Third  Parties for
                  the clinical work conducted by such Third  Parties).  GJT will
                  enter into  appropriate  agreements  with such  Third  Parties
                  pursuant to Section 4.7, and APOTHECON  will either  reimburse
                  GJT for (or will pay directly to such Third Party) all amounts
                  actually  paid (or owed) by GJT to such Third  Parties for the
                  performance of such services in accordance with such budget(s)
                  and time  lines  therefor  (and as the  same  may be  changed,
                  supplemented   or   extended  by  mutual   written   agreement
                  thereafter),  or, if not so  budgeted,  within  30 days  after
                  presentation of an invoice and substantiating documentation by
                  GJT (to the  extent not  contested  in good  faith).  GJT will
                  endeavor to structure  such  clinical  program in a reasonably
                  cost-effective manner consistent with the time lines set forth
                  herein.

                  4.6.1.5 ANDA preparation.  (This includes  compilation of ANDA
                  and related  assistance).  The budget for this  milestone * of
                  which will be paid upon initiation of this milestone,  and the
                  balance to be paid as provided above in this section 4.6.1.

         4.6.2 GJT will  present  the  overall  development  budget for  review,
         comment and approval by APOTHECON.  The parties will jointly  determine
         specific  benchmarks to monitor the process of  development.  APOTHECON
         will  have  the  right  to  review  and  comment  on  all   significant
         development  and  testing  activities  prior  to  the  start  of  these
         activities  and GJT  will  give  due  consideration  to all  reasonable
         comments  and requests  made by  APOTHECON.  GJT will give  APOTHECON a
         reasonable  period in which to conduct such review,  and APOTHECON will
         conduct  its review and  provide its  comments  within such  reasonable
         period,  so as not to cause any undue delay in the commencement of such
         activities.  Upon  conclusion of each of the milestones  under 4.6.1.1,
         4.6.1.2,    4.6.1.3,    and   4.6.1.4    (and   any   other    specific
         benchmarks/milestones  to which the  parties  may  mutually  agree) and
         before  proceeding  to the  next  milestone,  GJT  must  first  receive
         APOTHECON's written approval (not to be unreasonably withheld).

         4.6.3  GJT  will  provide   APOTHECON,   at  its  request,   with  a  *
         reconciliation  of actual Research and Development Costs of development
         hereunder  incurred  against  budget  where the  duration  of, or costs
         incurred against, a milestone is a period longer than *.

         4.7      Consent and Waiver - Conforming Changes.

         4.7.1  Notwithstanding  any  provision  in  this  Agreement  or in  the
         GEOMATRIX  Research  and  Development  Agreement to the  contrary,  and
         subject to Article 11 hereof:

                  4.7.1.1  All  applications  filed by GJT or any other party to
                           the  GEOMATRIX  Research  and  Development  Agreement
                           pursuant  to  its  obligations  under  the  GEOMATRIX
                           Research and  Development  Agreement as are necessary
                           or useful for the  Registration  of the Product shall
                           be filed in the name of, and be owned by, APOTHECON.

                  4.7.1.2  All  data  and  results  pertaining  to  the  Product
                           generated   by  any   party  to  the   Research   and
                           Development   Agreement  shall  be  owned  solely  by
                           APOTHECON.   Concurrently   with  the  execution  and
                           delivery  of this  Agreement,  GJT will  turn over to
                           APOTHECON all data and results  heretofore  developed
                           by or for it  pertaining  to the  Product.  GJT  will
                           thereafter  report to  APOTHECON in writing such data
                           and  results   developed   by  or  for  it  not  less
                           frequently than quarterly  (monthly,  if requested by
                           APOTHECON)   and  will  transmit  all  such  data  to
                           APOTHECON  by magnetic  media or such other method as
                           APOTHECON may request.


- - - ------------------
*    Confidential treatment requested. The redacted material has been separately
     filed with the Commission.


                                      -11-


<PAGE>

                  4.7.1.3  In  the  event  that  the   GEOMATRIX   Research  and
                           Development Agreement should terminate,  for whatever
                           reason  and  however  effected,  APOTHECON  shall  be
                           entitled,  but shall not be obligated,  to enter into
                           an  agreement   with  any  of  the  parties  to  said
                           GEOMATRIX Research and Development  Agreement for the
                           development and  registration of the Product on terms
                           and  conditions  acceptable  to  APOTHECON  (and with
                           APOTHECON  having the rights that GJT otherwise would
                           have  had   under   such   GEOMATRIX   Research   and
                           Development  Agreement  and with  APOTHECON  assuming
                           GJT's obligations  under such GEOMATRIX  Research and
                           Development  Agreement to the extent such obligations
                           do  not  conflict  with  or are  in  addition  to the
                           obligations that APOTHECON has under this Agreement).

         4.7.2  GJT  shall  submit  to  APOTHECON  a copy  of (i)  all  reports,
         statements, invoices, Product workplans, and budgets submitted to it by
         any party to the GEOMATRIX Research and Development  Agreement relating
         to the  Product,  (ii) a copy of all  reports  relating  to the Product
         submitted  to GJT  under  section  5.4 of the  GEOMATRIX  Research  and
         Development Agreement,  and (iii) a copy of all submissions to, and all
         responses and approvals obtained from, a regulatory  authority relating
         to the  Product.  If GJT should  default in its  obligations  under the
         GEOMATRIX Research and Development Agreement,  APOTHECON shall have the
         right, but shall not be under any obligation of any nature  whatsoever,
         expressly or impliedly,  to (i) cure any such default,  and/or (ii) pay
         each party to the GEOMATRIX  Research and Development  Agreement (other
         than GJT) directly  thereafter  for all services  performed by it under
         the GEOMATRIX  Research and  Development  Agreement that pertain to the
         Product and deduct and offset same from any monies owed by APOTHECON to
         GJT under  section  4.6 hereof  (or,  to the extent no such sums remain
         owing by APOTHECON under said section 4.6, then against such amounts as
         may be owed by APOTHECON under section 7.1 of the * License Agreement).

         4.7.3  APOTHECON shall have the right to exercise the same audit rights
         as GJT may exercise  under  section 4.6 of the  GEOMATRIX  Research and
         Development Agreement, to the extent relating to the Product.

         4.7.4 GJT shall defend,  indemnify and hold APOTHECON harmless from and
         against  any  and  all  losses,   liabilities,   damages  and  expenses
         (including reasonable attorneys' fees and costs) that APOTHECON suffers
         as a result of any claim,  demand,  action or other  proceeding  by any
         Third  Party  arising  from  or  relating  to the * *,  its  directors,
         officers,   employees,   consultants   or  agents  in  performing   its
         obligations  under the GEOMATRIX  Research and  Development  Agreement,
         except to the extent such  losses,  liabilities,  damages and  expenses
         arise  from  the  *  or  its  directors,  officers,  general  partners,
         employees,  consultants, or agents. APOTHECON, as an Indemnitee, agrees
         to adhere to and be bound by the terms of section 9.5 of the  GEOMATRIX
         Research and Development Agreement, as though such terms were fully set
         forth herein (and with "Article 9" replaced by "Article 4 hereof").


                                    ARTICLE 5
                        MANUFACTURE AND SUPPLY OF PRODUCT

         5.1  Manufacture.  APOTHECON  shall  manufacture  or have  manufactured
Products for all clinical and commercial  purposes in accordance with prevailing
industry  standards  and  in  compliance  in  all  material  respects  with  all
applicable laws, regulations and other governmental requirements, all applicable
good   manufacturing   practices  and  all  applicable   standards  of  practice
established  by  applicable   regulatory   authorities.   Without  limiting  the
generality of the foregoing,  Product manufactured in the United States shall be
manufactured in accordance with CGMPs promulgated by the FDA and pursuant to all
necessary DMFs filed with FDA.  APOTHECON  shall be responsible for all costs of
any nature  incurred by or on behalf of it in connection with the manufacture of
the Product.

         5.2      Product Registrations.


- - - ------------------
*    Confidential treatment requested. The redacted material has been separately
     filed with the Commission.


                                      -12-


<PAGE>

         5.2.1 APOTHECON shall prepare or have prepared, on behalf of itself, an
         Affiliate  and/or a Third Party contract or back-up  manufacturer,  the
         necessary  documentation,  and shall take or have  taken all  necessary
         actions,  to obtain and maintain  Registrations  for the manufacture of
         Products needed to meet APOTHECON's reasonably foreseeable requirements
         for  same.  APOTHECON  shall use  commercially  reasonable  efforts  to
         complete  such  Registrations  as  quickly  as  commercially  feasible.
         APOTHECON  shall  inform  GJT  promptly  in  writing  on any  unforseen
         material  problems,  delays or  requirements  in  connection  with such
         Registrations.   APOTHECON   and/or  such  other   contractor   back-up
         manufacturer  shall maintain such Registrations for the Product in each
         country  in which the  Product is  manufactured  during the term of the
         Agreement,  or such portion  thereof as the Product is  manufactured in
         such country,  and thereafter for such period as required by applicable
         law or  regulation.  APOTHECON  shall  be  responsible  for  all  costs
         incurred by it or on its behalf in connection with such Registrations.

         Without  limiting the generality of the  foregoing,  APOTHECON will use
commercially reasonable efforts:

                           to pursue all necessary DMF approvals required in the
                  United States (and corresponding approvals,  where applicable,
                  in other  countries in the  Territory)  for all pertinent bulk
                  and/or  finished  material  components of the Product and will
                  cooperate  with and comply  with all  reasonable  requests  of
                  applicable governmental authorities in pursuit of same; and

                           to  secure   necessary   approvals  from   applicable
                  governmental authorities for the manufacturing facilities from
                  which finished  dosage form Product will be supplied and shall
                  cooperate with such  applicable  governmental  authorities and
                  comply with their reasonable requests for site inspections and
                  other information and analyses in pursuit of the approved ANDA
                  and any other Registrations.

         5.3 Manufacturing and Registration Reports.  APOTHECON shall inform GJT
of the  following  activities  regarding  the  manufacture  of the  Product,  as
follows:

         5.3.1 Within * days  following  the end of each * until ANDA  approval,
         APOTHECON  shall  prepare and deliver to GJT a written  summary  report
         which shall describe, with respect to the Product, material information
         pertaining to its manufacturing status;  provided, that any proprietary
         or confidential  information of APOTHECON and its  Affiliates,  such as
         manufacturing  know-how or trade  secrets,  shall not be required to be
         disclosed and may be redacted.

         5.3.2  APOTHECON shall provide GJT with prompt notice of all regulatory
         filings and  submissions  to, and all responses and approvals  obtained
         from, regulatory authorities regarding such Registration to manufacture
         of the Product.

         5.3.3  Each  party  shall  promptly  advise  the other of any safety or
         toxicity  problem of which either party  becomes  aware  regarding  the
         Product,  intermediates  or other  ingredients or processes used in the
         manufacture of the Product.

         5.3.4 APOTHECON shall be responsible for ongoing stability testing with
         respect to Product.

         5.4 Product Purchase.

         5.4.1  Subject to Article 11 hereof  and to  Section  3.2  hereof,  the
         parties  agree to cooperate  to ensure an orderly and timely  supply of
         Product to GJT and its clinical  investigators  of all Product required
         by GJT to conduct pivotal clinical studies and  bioequivalence  testing
         and to establish a reasonable  procedure  for ensuring  that  APOTHECON
         receives  adequate  advance notice of GJT's  requirements for same. All
         Product  supplied  by  APOTHECON  shall be sold  F.O.B.  GJT's  (or its
         clinical  investigator's)  facility (as the case may be), and title to,
         and risk of loss,  of the  Product  shall  pass upon  delivery  to such
         facility.


                                      -13-


<PAGE>

         5.4.2  No  terms  and  conditions  contained  in  any  purchase  order,
         acknowledgment, invoice, bill of lading, acceptance or other preprinted
         form issued by either  party shall be  effective to the extent they are
         inconsistent with or modify the terms and conditions  contained herein.
         Each  purchase  order shall  contain the  requested  delivery  date(s),
         quantity purchased, routing instructions and destination.

         5.5 Acceptance; Rejection of Product in Case of Non-Conformity.

         5.5.1  GJT  may  reject  the  shipment  to it or its  investigators  of
         Product,  in  whole  or  in  part,  if  adulterated  or  otherwise  not
         conforming in any respect with the Specifications. In order to reject a
         shipment,  GJT must give  written  notice to  APOTHECON  within * after
         receipt of the shipment,  together with a reasonably detailed statement
         of its  reasons  for  rejection,  and a report of its  analysis  of the
         allegedly   nonconforming  Product,   together  with  the  methods  and
         procedures  used.  If no such  notice  is  received,  then GJT shall be
         deemed to have  accepted  the  shipment  of the  Product,  unless  such
         nonconformity  or grounds for rejection  could not reasonably have been
         discovered  by  GJT  (pursuant  to  the  procedures  set  forth  in the
         Specifications)  within such * period,  in which event the commencement
         of said * period  shall be tolled until such  nonconformity  or grounds
         are  discovered  by GJT.  APOTHECON  shall  notify GJT as  promptly  as
         reasonably  possible,  but in any event within * after  receipt of such
         notice  of   rejection,   whether  it  accepts   GJT's   assertions  of
         nonconformity.

         5.5.2   Whether  or  not   APOTHECON   accepts   GJT's   assertion   of
         nonconformity,  promptly on receipt of a notice of rejection, APOTHECON
         shall use its best efforts  provide  replacement of the same Product as
         in the original shipment.  If the original shipment ultimately is found
         to be  nonconforming,  APOTHECON  shall bear its own  expenses  of such
         replacement;  if  the  original  shipment  is  ultimately  found  to be
         conforming,  GJT  shall  bear the cost of such  replacement  and  shall
         reimburse  APOTHECON,  within *  following  demand  for  same,  for all
         reasonable  expenses and costs incurred by APOTHECON in connection with
         the manufacture and shipment of such replacement Product.

         5.5.3 If  APOTHECON  disagrees  with any alleged  nonconformity  to the
         Specifications, then the parties will use their best efforts to resolve
         the disagreement promptly as follows: an independent GMP laboratory (or
         other consultant),  acceptable to both GJT and APOTHECON, shall analyze
         an aliquot sample or such other portions of the shipment,  furnished by
         GJT  from  the  shipment  received  by  GJT,  as  may be  necessary  to
         substantiate  whether the Product rejected by GJT conformed (or not) to
         the pertinent Specifications.  The laboratory shall use such procedures
         and  tests  as  the  laboratory  may  consider  necessary  to  reach  a
         conclusion;  however,  if,  by using  the same  tests  set forth in the
         Specifications  as were used by GJT,  such  laboratory  confirms  GJT's
         findings,  further  tests shall not be required.  Both parties agree to
         cooperate with the  independent  laboratory's  reasonable  requests for
         assistance  in  connection  with its analysis  hereunder.  Both parties
         shall be bound by the  laboratory's  results  of  analysis.  The  costs
         incurred by the laboratory shall be borne by the losing party.

         5.5.4  If  APOTHECON  or  the  independent   laboratory   confirms  the
         nonconformity,  then,  in  addition  to any  other  remedies  set forth
         herein,  at law or in equity,  APOTHECON  shall  replace (if it has not
         already done so) the nonconforming  Product with conforming  Product as
         promptly as possible.  Replacement  shipments  shall also be subject to
         the  procedures  contained  in this  Section  5.5.  If the  independent
         laboratory confirms (or GJT subsequently  agrees) that no nonconformity
         existed,  then,  in addition to any other  remedies set forth herein or
         available  at law or in  equity,  GJT  shall  pay for  the  cost of the
         replacement shipment.

         5.5.5 Unless APOTHECON  requests the return to it of any  nonconforming
         Product,  GJT shall lawfully  destroy such Product promptly and provide
         APOTHECON with written  certification of such  destruction.  GJT shall,
         upon receipt of APOTHECON's request for return,  promptly dispatch said
         Product to APOTHECON, at APOTHECON's expense.

         5.6 Process Changes. [Intentionally omitted.]


                                      -14-


<PAGE>

         5.7 Warranties.

         5.7.1 APOTHECON  represents and warrants to GJT that Product  delivered
         by or through APOTHECON to GJT shall, at time of delivery to GJT (or to
         a  clinical  or  laboratory  site,  as the case may be),  conform  with
         Product  Specifications  and be in compliance in all material  respects
         with applicable laws,  regulations and other governmental  requirements
         and  with  all  applicable   Regulatory   requirements  and  approvals,
         including without limitation that such Product shall not be adulterated
         within the  meaning of the  Federal  Food,  Drug and  Cosmetic  Act, as
         amended, or within the meaning of any applicable state or municipal law
         in which the definition of  adulteration is  substantially  the same as
         that contained in the Federal Food,  Drug and Cosmetic Act, as such Act
         and such laws are constituted and effective at the time of delivery.

         5.7.2 APOTHECON  further  represents and warrants that such samples and
         batches  intended  for  clinical  or  bioequivalence  testing  will  be
         manufactured  in accordance  with the  regulations  of the  appropriate
         regulatory  authority of the country (e.g.,  CGMP in the United States)
         in which the Product is manufactured.

         5.7.3  APOTHECON  represents  and  warrants  that the  quality  control
         procedures and in-plant  quality  control checks on the  manufacture of
         Product  shall be applied in the same  manner as those  procedures  and
         checks are applied to other products manufactured for sale by APOTHECON
         or its contract manufacturer.

         5.7.4 NEITHER PARTY MAKES ANY REPRESENTATIONS OR WARRANTIES, EXPRESS OR
         IMPLIED,  OTHER THAN THOSE  EXPRESSLY  MADE IN THIS  AGREEMENT OR THE *
         LICENSE AGREEMENT. ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING,
         WITHOUT  LIMITATION,  THE IMPLIED  WARRANTIES  OF  MERCHANTABILITY  AND
         FITNESS FOR A PARTICULAR  PURPOSE (AND INCLUDING ANY EXPRESS OR IMPLIED
         WARRANTY THAT THE MANUFACTURE,  USE OR SALE OF THE PRODUCT INFRINGES OR
         WILL INFRINGE ANY PATENT RIGHTS OR TRADEMARK RIGHTS OWNED OR CONTROLLED
         BY  ANY  PERSON  OTHER  THAN A  PARTY  OR ITS  AFFILIATES)  ARE  HEREBY
         DISCLAIMED BY EACH PARTY.

         5.8 Inspection. [Intentionally omitted].

         5.9 [Intentionally omitted.]

         5.10 Payment Terms.  APOTHECON will provide Product reasonably required
by GJT for bioequivalence and clinical testing in accordance with the procedures
set forth in Section 4.6 hereof without  charge,  and will pay for any shipping,
packaging  and  insurance  costs,  as well as any  customs  and  import  charges
incurred by GJT or its clinical investigators, associated with such shipments of
Product.


                                    ARTICLE 6
                                    MARKETING

         6.1 Packaging  and  Labeling.  APOTHECON  shall be  responsible  at its
expense for arranging for the labeling and packaging into bottles (or otherwise)
the  finished  * form of the  Product.  GJT shall  have the right to review  and
comment  on all  labels  and  labeling  prior to any final  Regulatory  approval
required of same.

         6.2 Commercialization. Intentionally omitted].

         6.3 Covenant Not to License a Competitor.  So long as APOTHECON retains
the  exclusive  rights under  section  3.1.2 of the * License  Agreement to use,
distribute, market and sell the Product in a country, GJT and its Affiliates may
not (and GJT will  cause its  Affiliates  not to),  without  the  prior  written
consent of APOTHECON,  use, distribute,  develop, market, or sell, or license or
permit any Third Party to use, distribute,


- - - ------------------
*    Confidential treatment requested. The redacted material has been separately
     filed with the Commission.


                                      -15-


<PAGE>

develop,  market,  or sell, any other  pharmaceutical  composition  containing *
(including all commonly used and known salts and acids thereof) as

         (i)      an * in any country, or

         (ii)     a * in the United States,

and  which  incorporates,  is based on and is  derived  by use of the  GEOMATRIX
Technology,   irrespective  of  whether  the  dosage,   formulation,   strength,
specifications  or  other  qualities  of such  other  Product  are  the  same or
different  from that being  developed,  used,  distributed,  marketed or sold by
APOTHECON.

         6.4 Adverse Drug Reactions. The following provisions shall apply to the
reporting of Adverse Drug Reactions:

         6.4.1 It will be APOTHECON's  responsibility to report ADRs to the FDA;
         however, it will be solely GJT's responsibility to report ADRs required
         to be  reported  that  arise  during  clinical  testing  and  which are
         otherwise required of GJT in accordance with applicable law.

         6.4.2 Each party agrees to furnish party, as hereinafter provided, with
         information  pertaining  to any ADR known to such party from any source
         whatsoever (other than from the other party).  For such purposes,  each
         party shall be charged  with  knowledge of an ADR if (and only if) such
         ADR has in fact been brought to the attention of the party.  Each party
         will exercise due diligence and exert reasonable efforts to collect ADR
         information from its affiliates and other related parties worldwide. In
         the case of a serious  ADR,  the party in question  shall report to the
         other party,  in English,  within 48 hours of knowledge of the ADR. All
         other  ADRs shall be  reported  by the party in  question  from time to
         time, but not less frequently than monthly, in the same manner.

         6.4.3 Each party shall  maintain,  in accordance with its own customary
         practice,  appropriate  detailed  records of all ADR reports which have
         been  submitted to the other party.  Further,  in the event that either
         party shall be requested  for more detailed  investigation  by the U.S.
         Food and Drug  Administration or other regulatory body on any ADR, such
         other  party  shall  cooperate  and assist the party in  question  with
         respect to such investigation.

         6.4.4  Each party  further  shall  immediately  notify the other of any
         information  received  regarding any  threatened or pending action by a
         regulatory  agency which may affect the safety and  efficacy  claims of
         the Product.  Upon receipt of any such  information,  the parties shall
         consult with each other in an effort to arrive at a mutually acceptable
         procedure  for  taking  appropriate  action;  provided,  however,  that
         nothing  contained  herein  shall be construed  as  restricting  either
         party's right to make a timely report of such matter to any  regulatory
         agency  or  take  other  action  that it  deems  to be  appropriate  or
         required, by applicable law or regulation.

         6.4.5 The  obligations  under this  Section  6.4 shall  survive for the
         period of time that such reporting  obligations  exist under applicable
         law.

         6.5 Product Recall

         6.5.1 In the event (a) any  government  authority  of a country  in the
         Territory  in  which  APOTHECON  or any of its  Affiliates  markets  or
         marketed the Product  should  issue a request,  directive or order that
         Product be recalled,  or (b) a court of competent  jurisdiction  orders
         such  a  recall,  or  (c)  the  parties   reasonably   determine  after
         consultation   with  each  other  that   Product   should  be  recalled
         ("Recall"), the parties shall take all appropriate corrective action.

         6.5.2  APOTHECON  shall be  responsible  for the  expense  of a Recall,
         except  to the  extent  that a  Recall  and any  related  expenses  are
         attributable  to a  cause  or  event  or  instruction  by  GJT  or  its
         Affiliates, in


- - - ------------------
*    Confidential treatment requested. The redacted material has been separately
     filed with the Commission.


                                      -16-


<PAGE>

         which case GJT shall be  responsible  for same.  For  purposes  of this
         Agreement,  Recall  expenses shall include,  but not be limited to, the
         expenses of  notification  and  destruction  or return of the  recalled
         Product,  as the case may be, and  APOTHECON's  and GJT's costs for the
         recalled Product, as the case may be; provided, however, the expense or
         service fee associated with representatives' time of a party hereto (or
         of its Affiliates) shall be borne by such party.

         6.5.3 In the event a Recall  resulting  from any cause or event arising
         from a cause or event or  instruction  attributable  to GJT,  APOTHECON
         shall  have the right at any time  within of such  Recall to  terminate
         this Agreement.


                                    ARTICLE 7
                         MILESTONE AND ROYALTY PAYMENTS

                            [Intentionally omitted].


                                    ARTICLE 8
                                  PATENT RIGHTS

         8.1 Patent  Prosecution and  Maintenance.  GJT shall be responsible for
and shall control,  at its sole cost, the preparation,  filing,  prosecution and
maintenance of all patent  applications and patents of the Patent Rights.  In so
doing, GJT shall endeavor to obtain the strongest commercially reasonable patent
protection  (under the  circumstances)  regarding the GEOMATRIX  Technology with
respect  to the  Product  and shall  consider  in good  faith the  interests  of
APOTHECON.  With  respect to Patent  Rights  pertaining  to the Product in those
countries in which APOTHECON has the right hereunder to market the Product:  GJT
(a) shall supply APOTHECON with a copy of each such patent application as filed,
together  with notice of its filing date and serial  number;  (b) shall  consult
with APOTHECON  regarding the  prosecution and maintenance of such Patent Rights
relating  to the  Product,  and  shall  implement  all  reasonable  requests  of
APOTHECON  with  respect  thereto;  (c) shall inform  APOTHECON  promptly of any
substantive action or proposed action with respect to the Patent Rights relating
to the Product,  shall  provide  APOTHECON  with advance  copies of all proposed
responses thereto, and shall implement all reasonable requests of APOTHECON with
respect  thereto;  (d) shall not abandon or  materially  narrow the  substantive
claims of the  Patent  Rights  without  the prior  express  written  consent  of
APOTHECON; (e) shall provide APOTHECON with copies of all filings,  submissions,
together  with  all  correspondence,  with  the  applicable  patent  authorities
regarding  the  Patent  Rights;  (f)  shall  inform  APOTHECON  promptly  of the
allowance and issuance of each patent  included in the Patent  Rights,  together
with the date and patent number thereof, and shall provide APOTHECON with a copy
of such  patent  as  issued;  and (g) shall  prosecute  all  reexaminations  and
reissues as reasonably  requested by APOTHECON.  APOTHECON  shall cooperate with
GJT,  execute all lawful papers and  instruments and make all rightful oaths and
declarations as may be necessary in the preparation, prosecution and maintenance
of all such patents and patent applications.

         8.2  Notification  of  Infringement.  Each party shall notify the other
party of any  infringement  of the Patent  Rights with respect to Products  that
comes to the  attention of the  management  of such party and shall  provide the
other party with the available evidence, if any, of such infringement.

         8.3  Enforcement  of Patent  Rights.  With  respect  to  Patent  Rights
pertaining  to  those  countries  in which  APOTHECON  has the  exclusive  right
hereunder to market the Product,  APOTHECON, at its sole expense, shall have the
right, but not the obligation, (a) to determine the appropriate course of action
to enforce,  or  otherwise  abate the  infringement  of, the Patent  Rights with
respect to Products, (b) to take, or refrain from taking,  appropriate action to
enforce  the  Patent  Rights  with  respect  to  Products,  (c) to  control  any
litigation or other  enforcement  action regarding Patent Rights with respect to
Products,  and  (d) to  enter  into,  or  permit,  the  settlement  of any  such
litigation or other  enforcement  action regarding Patent Rights with respect to
Products.  APOTHECON  shall consult with GJT and Jagotec prior to and during the
course of taking any of the foregoing  actions,  shall consider,  in good faith,
the interests of GJT and Jagotec in taking any of the foregoing actions, and, if
GJT or Jagotec reasonably


                                      -17-


<PAGE>

concludes  that  taking  any  specific  action(s)  likely  would have a material
adverse effect on GJT's or Jagotec's  interests in the Patent Rights (other than
with respect to the Products),  and timely gives APOTHECON prior express written
notice thereof,  then APOTHECON shall not take such specific  action(s)  without
the prior express written  consent (not to be unreasonably  withheld or delayed)
of GJT or  Jagotec,  as the  case  may be.  If (x)  within  * after  receipt  by
APOTHECON of notice by a Third Party  pursuant to 21 U.S.C.  ss.355(b)(3)(A)  or
(j)(4)(B)(iii)  with  respect to any  Product,  APOTHECON  has not  initiated an
action for patent  infringement  against  the Third  Party that  forwarded  such
notice,  then GJT and/or  Jagotec  shall have the right to initiate  and control
such action,  and (y) within * days after  receipt of notice from GJT or Jagotec
of  such  an  infringement,   APOTHECON  has  not  taken  action  to  abate  the
infringement or filed suit to enforce the Patent Rights with respect to Products
against at least one  infringing  party,  GJT or Jagotec shall have the right to
take whatever  action it deems  appropriate to enforce the Patent Rights against
such parties in such  countries as APOTHECON may have elected not to take action
to abate, or file suit to prevent,  such infringement;  provided,  however, that
GJT or Jagotec,  as the case may be, shall have given prompt  written  notice to
APOTHECON of its intent to file a suit or commence any other enforcement  action
in connection therewith.  If GJT or Jagotec elects to file such suit or commence
such  action,  then  GJT or  Jagotec  (as the case may be)  shall  consult  with
APOTHECON prior to and during the course of taking any of the foregoing actions,
and shall consider,  in good faith,  the interests of APOTHECON in taking any of
the foregoing actions. Within * after receipt of such notice from GJT or Jagotec
(as the case may be),  APOTHECON shall have the right to jointly  prosecute such
suit or other action and *. The party  controlling any such suit or other action
shall not settle the suit or action or otherwise  consent to an adverse judgment
in such suit or action that diminishes the rights of the  non-controlling  party
without the prior  express  written  consent of the  noncontrolling  party.  All
monies recovered upon the final judgment or settlement of any such suit or other
action  shall be shared,  after  reimbursement  of expenses  of the  controlling
party(ies), as follows:

         i)       Where APOTHECON has solely controlled the litigation,  * shall
                  be entitled to retain all monies  recovered  and awarded  upon
                  the final  judgment  or  settlement  of any such suit or other
                  proceeding,  and  shall pay to * such  amount as equals  the *
                  that * would  otherwise  have  received  under  the *  License
                  Agreement on * as were taken into account in  determining  the
                  monies recovered.

         ii)      Where  control  of the  litigation  has  operated  other  than
                  pursuant to (i), the parties  shall and awarded upon the final
                  judgment or settlement of any such suit or other proceeding in
                  proportion  to  their  respective  contributions  to the  cost
                  thereof.

         Notwithstanding  the  foregoing,  APOTHECON,  Jagotec,  and  GJT  shall
         reasonably  cooperate  with each other in the planning and execution of
         any suit or other  action to enforce the Patent  Rights with respect to
         Products.

         8.4 Third Party Infringement Actions.

         8.4.1  If  GJT  or  APOTHECON,   or  their  respective   Affiliates  or
         sublicensees,  shall be sued by a Third  Party  for  infringement  of a
         patent because of the  manufacture,  use or sale of any  pharmaceutical
         composition which incorporates,  is based on, uses or is derived by use
         of the GEOMATRIX  Technology,  the party which (or whose Affiliate) has
         been sued  shall  promptly  notify  the other  party in  writing of the
         institution  of such  suit,  and with  respect  to suits  which are the
         subject of Section  8.4.2  below,  shall  provide  the other party with
         copies of all pleadings,  exhibits and all other  relevant  information
         available to such other party regarding such pleadings.

         8.4.2 If the suit alleges the  infringement  of a patent because of the
         use or sale  of the  Product  (or an  intermediate  in the  manufacture
         thereof) and the alleged infringing  process,  method or composition is
         claimed under the Patent Rights, APOTHECON shall have the right, in its
         sole  discretion,  to control the defense of such suit with  counsel of
         its own selection and at its own expense;  provided,  however, that GJT
         or, if GJT elects not to exercise  its option,  Jagotec  shall have the
         option,  within  *  after  receipt  of  notice  of any  such  suit,  to
         co-control the defense of such suit. If GJT or Jagotec timely exercises


- - - ------------------
*    Confidential treatment requested. The redacted material has been separately
     filed with the Commission.


                                      -18-


<PAGE>

         its option to  co-control  the defense of such suit,  (a) APOTHECON and
         GJT (or Jagotec,  as the case maybe)  shall select  mutually-acceptable
         counsel, if possible,  and GJT or Jagotec, as the case may be, shall be
         solely  responsible  for paying the fees and costs of its own  advisory
         counsel of its own selection and the fees and costs of any party hereto
         in taking any action in such suit at the  request of GJT or Jagotec (as
         the case may be) or any action to defend the rights or interests of GJT
         or Jagotec,  but not the interests  APOTHECON,  or (b) if APOTHECON and
         GJT  (or   Jagotec,   as  the  case  may  be)  are   unable  to  select
         mutually-acceptable counsel, APOTHECON and GJT (or Jagotec, as the case
         may be) each  shall  be  represented  in the  defense  of such  suit by
         counsel of its own selection at its own expense. If GJT (or Jagotec, as
         the case may be) fails to timely  exercise its option to co-control the
         defense  of such  suit,  GJT and  Jagotec  shall  have the  right to be
         represented by advisory counsel of their own selection and at their own
         expense,  shall  cooperate  fully in the defense of such suit and shall
         furnish to APOTHECON  all evidence and  assistance  in its control.  If
         APOTHECON does not elect,  within * after receipt of notice of any such
         suit, to control the defense of such suit, GJT or Jagotec may undertake
         such  control  of the  defense  of such  suit with  counsel  of its own
         selection and at its own expense.  In such case,  APOTHECON  shall have
         the right to be  represented  by advisory  counsel of its own selection
         and at its own expense,  shall  cooperate  fully in the defense of such
         suit  and  shall  furnish  to GJT or  Jagotec  (as the case may be) all
         evidence and assistance in its control.

         8.4.3 If the suit alleges the  infringement  of a patent because of the
         use or sale of a  pharmaceutical  composition  which  incorporates,  is
         based on, uses or is derived by use of the GEOMATRIX Technology,  which
         is not the Product (or an intermediate in the manufacture thereof), and
         the alleged infringing process,  method or composition is claimed under
         the Patent Rights,  GJT or, if GJT declines to exercise same,  Jagotec,
         shall have the right, in its sole discretion, to control the defense of
         such suit with counsel of its own selection and at its own expense.  In
         such case, GJT (or Jagotec,  as the case may be) shall inform APOTHECON
         from time to time, and upon the reasonable request of APOTHECON, of the
         status of the defense or settlement of any such action.

         8.4.4  The  party   controlling   such  suit  shall  consult  with  the
         non-controlling  party prior to and during the course of such suit, and
         shall  consider,  in good faith,  the interests of the  non-controlling
         party in connection  therewith.  The party  controlling such suit shall
         not settle the suit or otherwise consent to an adverse judgment in such
         suit that  diminishes  the rights or interests  of the  non-controlling
         party without the express written consent of the non-controlling  party
         (  not  to  be  unreasonably  withheld  or  delayed).   All  judgments,
         settlements or damages payable with respect to any suit covered by this
         Section 8.4 shall be paid by the party which  controls the  litigation,
         or if co-controlled,  then by both parties. In the event that APOTHECON
         controls or co-controls  any such claim,  it will be entitled to offset
         up to of the  reasonable  costs and  expenses  (including  professional
         fees)  incurred by it in  connection  with any such  defense  against *
         under the * License Agreement,  up to a * it would otherwise owe to GJT
         during any *.

         8.4.5 If as a result of a settlement or other outcome under the suit or
         other  proceedings  conducted  against a Third  Party  pursuant to this
         section 8.4, or if GJT and  APOTHECON  jointly  agree to seek a license
         from a Third  Party in order to avoid  infringing  such  Third  Party's
         patent rights with respect to the manufacture, use or sale of a Product
         in a country in the Territory, ongoing royalties or other payments must
         be paid by APOTHECON to such Third Party,  APOTHECON  shall be entitled
         to * by it to such  Third  Party * to * under the *  License  Agreement
         with respect to such country,  up to a * to * during any * with respect
         to such country.

         8.5  Prosecution  and Defense of Non-Patent  Actions.  APOTHECON,  with
counsel of its own selection and at its sole expense,  shall have the right, but
not the  obligation,  (a) to control the  prosecution of any litigation or other
action with  respect to the  manufacture,  use or sale of Products  which is not
described  in Section  8.3 above,  (b) subject to the  provisions  of Article 12
below,  to control the defense of any litigation or other action with respect to
the use or sale of Products which is not described in Section 8.4 above, and (c)
to enter into, or permit,  the settlement of any such litigation or other action
described in clause (a) or (b) above. APOTHECON shall consult


- - - ------------------
*    Confidential treatment requested. The redacted material has been separately
     filed with the Commission.


                                      -19-


<PAGE>

with GJT and  Jagotec  prior to and  during  the  course  of  taking  any of the
foregoing actions,  and shall consider,  in good faith, the interests of GJT and
Jagotec in taking any of the foregoing  actions.  APOTHECON shall not settle any
such litigation or other action or otherwise  consent to an adverse  judgment in
such  litigation or other action that  diminishes the rights or interests of GJT
and  Jagotec  without  the  prior  express  written  consent  of GJT  (not to be
unreasonably  withheld  or  delayed).  Notwithstanding  the  foregoing,  GJT and
Jagotec shall fully  cooperate with APOTHECON at its request in the planning and
prosecution  or  defense  of  any  such   litigation  or  other  action.   After
reimbursement  of any  reasonable  expenses of GJT and  Jagotec  incurred at the
request of  APOTHECON in the  planning  and  prosecution  or defense of any such
litigation or other action,  * shall be entitled to retain all monies  recovered
upon the final  judgment or settlement  of any such  litigation or other action.
APOTHECON shall be responsible for all judgments, settlements or damages payable
with respect to any such litigation or other action covered by this Section 8.5.

         8.6  Notification  of  Patent  Term   Restoration.   GJT  shall  notify
APOTHECON, and any sublicensee which APOTHECON requests in writing,  promptly of
each notice  pertaining to any patent included within the Patent Rights which it
(or Jagotec) receives as patent owner pursuant to the Drug Price Competition and
Patent Term Restoration Act of 1984 (the "Act"),  including  notices pursuant to
21 U.S.C.  ss.355(b)(3)(A)  or  (j)(4)(B)(iii)  from  persons  who have filed an
Abbreviated New Drug Application.  GJT shall give all such notices promptly, but
in any event  within  five (5)  calendar  days of  receipt  of each such  notice
pursuant  to the  Act,  whichever  is  applicable.  GJT  promptly  shall  notify
APOTHECON  of each  filing  for  patent  term  restoration  under  the Act,  any
allegations  of failure  to show due  diligence  and all  awards of patent  term
restoration  (extensions)  with  respect to the  Patent  Rights.  Likewise,  GJT
promptly  shall  inform  APOTHECON  of patent  extensions  and  periods  of data
exclusivity in the rest of the world regarding any Product.

         8.7 Indemnification. Subject to Article 8.4 hereof, GJT shall indemnify
and  hold  harmless  APOTHECON,  its  Affiliates  and its and  their  directors,
officers,  employees  and agents from and against any all  liabilities,  losses,
damages,  costs and expenses (including  reasonable attorneys' fees and costs of
litigation or  arbitration,  regardless of outcome) to the extent arising out of
or in connection with any claims or causes of action:

         8.7.1 * in a country in the Territory  because of the manufacture,  use
         or  sale  of the  Product  (or of an  intermediate  in the  manufacture
         thereof) in such country and the alleged infringing process,  method or
         composition is claimed under the Patent Rights, and/or

         8.7.2 asserted by a Third Party to the extent based on the *, or breach
         of a * owed to such * or their respective Affiliates.

         8.8  Condition  Precedent.  The  exercise  of any rights  and  benefits
afforded to Jagotec under sections 8.3-8.5 hereof are conditioned on the receipt
by APOTHECON and GJT of a letter (or acknowledgment in the form contained on the
signature  page of this  Agreement)  from  Jagotec  signed by a duly  authorized
official of Jagotec  stating that  Jagotec  agrees to be bound by the duties and
obligations imposed on Jagotec under such sections and by sections 6.3, 11.2.4.2
and Article 16 hereof,  as well as section 11.2.4.2 of the * License  Agreement,
and for which an opinion,  reasonably  satisfactory to APOTHECON,  of counsel to
Jagotec is provided as to the enforceability and validity thereof.


                                    ARTICLE 9
                                   TRADEMARKS

                             [Intentionally omitted]


- - - ------------------
*    Confidential treatment requested. The redacted material has been separately
     filed with the Commission.


                                      -20-


<PAGE>

                                   ARTICLE 10
                                 CONFIDENTIALITY

         10.1 Confidential Information.  Each party shall use reasonable efforts
(including  not  less  than  the  same  efforts  it  uses  to  protect  its  own
confidential information) to maintain in confidence all information, records and
data of the other  party  (including  samples)  disclosed  by the other party in
connection  with  the  performance  of  this  Agreement  and/or  the  *  License
Agreement,  and which is identified as, or acknowledged to be, confidential (the
"Confidential Information"), and shall not use, disclose or grant the use of the
Confidential Information except to its and its Affiliates' directors,  officers,
employees,  agents,  consultants,  clinical  investigators  or  other  permitted
contractors, to the extent such disclosure is reasonably necessary in connection
with such party's  activities as expressly  authorized by the Agreement or the *
License  Agreement.  To the extent that  disclosure is so  authorized,  prior to
disclosure,  each party  hereto  shall  assure that each such Person is bound to
hold such Confidential  Information in confidence in a manner that is similar to
that set  forth  herein  for  such  party  and not make use of the  Confidential
Information for any purpose other than those authorized by this Agreement and/or
the * License Agreement.

         10.2 Permitted  Disclosures.  The  obligations of  confidentiality  and
non-use  in  Section  10.1  above  shall  not apply to the  extent  that (a) the
receiving  party (the  "Recipient")  (i) is required to disclose  information by
law,  regulation  or  order of a  governmental  agency  or a court of  competent
jurisdiction,  or (ii) is required to disclose  information to any  governmental
agency  for  purposes  of  obtaining  approval  to test or market  the  Product,
provided in each case that the Recipient shall give the disclosing party written
notice  thereof and  sufficient  opportunity  to object to any  disclosure or to
request  confidential  treatment  thereof;  or (b) the Recipient can demonstrate
that (i) the  disclosed  information  was public  knowledge  at the time of such
disclosure to the Recipient,  or thereafter became public knowledge,  other than
as a result of actions of the Recipient,  its directors,  officers and employees
in violation hereof; (ii) the disclosed  information was rightfully known by the
Recipient (as shown by its written  records)  prior to the date of disclosure to
the Recipient by the disclosing party hereunder; (iii) the disclosed information
was disclosed to the Recipient on an unrestricted  basis from a source unrelated
to any party to the  Agreement  and not under a duty of  confidentiality  to the
disclosing party; or (iv) the disclosed information was independently  developed
by the Recipient  without the use of Confidential  Information  disclosed by the
other party hereto. Notwithstanding any other provision of this Agreement or the
* License  Agreement,  APOTHECON may disclose  Confidential  Information  of GJT
relating to  information  developed  pursuant to either  Agreement  to any Third
Party  with whom  APOTHECON  has,  or is  proposing  to enter  into,  a business
relationship (such as a sublicense hereunder;  a merger,  consolidation or other
reorganization;  an  acquisition  of a business  by  APOTHECON  or a sale of its
business;  or a distribution,  agency or sales representative  arrangement),  as
long as such Third  Party has  entered  into a  confidentiality  agreement  with
APOTHECON  and the  nature  and  extent  of the  disclosure  bears a  reasonable
relationship to the proposed business relationship.

         10.3 Terms of the  Agreement.  Except as otherwise  provided in Section
10.2  above,  neither  party  shall  disclose  any terms or  conditions  of this
Agreement  or the * License  Agreement  to any  Third  Party  without  the prior
consent  of  the  other  party.  Notwithstanding  the  foregoing,  prior  to the
execution of this Agreement and the * License Agreement, the parties shall agree
upon the substance of information that can be used to describe the terms of this
transaction,  and the parties may disclose  such  information  without the other
party's consent.

         10.4 Term of  Confidentiality.  The  confidentiality  obligations under
this Article 10 shall be effective  during the term of this  Agreement and for a
period of * after the expiration or earlier termination hereof.


                                   ARTICLE 11
                              TERM AND TERMINATION

         11.1 Terms. This Agreement shall commence  effective upon the Effective
Date. The Agreement shall continue until terminated upon the earlier to occur of
the following: (i) pursuant to Section 11.2 below, (ii) by


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                                      -21-


<PAGE>

mutual  written  agreement,  or  (iii)  on a  country-by-country  basis  in  the
Territory upon the expiration of the Royalty Term in such country.

         Upon  termination of this Agreement,  in whole or in part,  pursuant to
section  11.1  (ii),  the  parties  will  determine  the  disposition  of rights
hereunder as part of such mutual termination.  Upon expiration of this Agreement
as to any country in the Territory  under  Section  11.1(iii)  above,  APOTHECON
shall  have  an  irrevocable,   perpetual,   fully  paid-up  and   royalty-free,
non-exclusive  right and license to use the  Knowhow in order to develop,  make,
have made, use and sell Products in such country.

         11.2  Termination.  This Agreement may be terminated in accordance with
any of the following (all of which may be exercised independently of the other):

         11.2.1 Termination Without Cause.  APOTHECON may elect at any time, for
         any reason and without cause, to terminate this Agreement,  in whole or
         in part as to one or more  countries,  upon  sixty  (60)  days  written
         notice to GJT:

                  11.2.1.1 If * elects to so terminate under this section 11.2.1
                  prior to filing of the ANDA in the United  States,  then:  (i)
                  such  termination  shall be *; (ii) all  rights  and  licenses
                  granted by * hereunder * with respect to such  country(ies) so
                  terminated,   provided,  further,  that  if  *  so  elects  to
                  terminate  under this section 11.2.1 in the United States,  it
                  shall be deemed a  termination  as to the *;  (iii) * of any *
                  that are scheduled or may be made in the future under sections
                  4.6  hereof  and  7.1  of the *  License  Agreement  (and  the
                  subsections  thereunder),  provided that such  termination  is
                  exercised   with   respect   to   United   States;   (iv)  all
                  Registrations  pertaining  to the Product shall be * as to the
                  affected  country(ies) and the * under this Agreement shall be
                  provided to and  thereafter  may be * to develop,  manufacture
                  and market the Product;  (v) the * License  Agreement  shall *
                  with  respect  to the  right  to  sell  the  Product  in  such
                  country(ies); and (vi) * shall thereafter be entitled exercise
                  such rights as they may have under the GEOMATRIX Agreements to
                  make,  have made, use or sell the Product in the  country(ies)
                  so  terminated  without   compensation  or  obligation  to  *;
                  provided,  that the foregoing rights under (iv) and (vi) shall
                  not  create  or imply any right or  license  under any  patent
                  rights, copyright rights, trademarks or trade names, know-how,
                  or other intellectual property rights owned or controlled by *
                  or its Affiliates.

                  11.2.1.2 If * elects to so terminate this Agreement under this
                  section 11.2.1 subsequent to the * in the United States, then:
                  (i) such  termination  shall be * to *;  (ii) all  rights  and
                  licenses  granted by * hereunder  shall * with respect to such
                  country(ies)  so terminated;  (iii) * shall be relieved of any
                  payments that are scheduled or may be made in the future under
                  sections  4.6 hereof and 7.1 of the * License  Agreement  (and
                  the subsections thereunder), provided that such termination is
                  exercised  with  respect  to  United  States;   (iv)  *  shall
                  thereafter  be  entitled  to * as  they  may  have  under  the
                  GEOMATRIX  Agreements  to  make,  have  made,  use or sell the
                  Product in the country(ies) so terminated (and, provided, that
                  the  foregoing  shall not create or imply any right or license
                  under any patent rights, copyright rights, trademarks or trade
                  names,  know-how,  or other intellectual property rights owned
                  or  controlled  by * or its  Affiliates);  (v)  the *  License
                  Agreement  shall  terminate  with respect to the right to sell
                  the  Product  in such  country(ies);  (vi)  all  Registrations
                  pertaining  to  the  Product  shall  be * as to  the  affected
                  country(ies) and the data generated under this Agreement shall
                  be provided to and thereafter may be * to develop, manufacture
                  and market the Product; and (vii) * shall pay to * the same *,
                  which shall be paid in the same manner and subject to the same
                  terms and conditions as would  otherwise have applied to *, as
                  * would  otherwise have paid (absent such  termination)  under
                  the * License


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                                      -22-


<PAGE>

                  Agreement  to * (or on the * of such *, as the case may be) of
                  the  Product in the  country(ies)  to which  such  termination
                  applies  (with  such * to be paid by * and its  Affiliates  in
                  each such country until expiration of the Royalty Term in each
                  such  country),  until  such time as the * paid to * equal the
                  aggregate  amount that had been paid by * to GJT prior to such
                  termination under the aforesaid  sections 4.6 and 7.1 (and the
                  subsections thereunder), at which time the *.

         11.2.2 Termination for Default. Except as otherwise provided in Article
         13 below,  upon or after the breach of any  material  provision  of the
         Agreement by a party  (unless such failure  results  from, or is caused
         by,  adherence  required by a party to applicable  laws or governmental
         regulations),  if the breaching  party has not cured such breach within
         sixty  (60)  days  after  notice  thereof  by  the  other  party,   the
         nonbreaching party may terminate this Agreement;  provided, however, if
         any default is not capable of being cured within such 60-day period and
         the  breaching  party has  diligently  undertaken  to cure such default
         within such 60- day period and continues to take diligent steps to cure
         same  as  soon  as   commercially   feasible   thereafter   under   the
         circumstances,  the nonbreaching party shall have no right to terminate
         the Agreement.

         In cases  where  the  breach  involves  an act or  omission  by a party
         specifically   and  directly   relating  to  a  country  or  countries,
         termination  shall be limited to the country or  countries  affected by
         such breach, as opposed to termination of the entire Agreement, and the
         remedies listed in section  11.2.2.1-11.2.2.4 below shall be limited to
         such country or countries. For example, the termination remedy shall be
         limited to the country or countries  affected by (i) a breach by GJT or
         its  Affiliates  of section  6.3,  or (ii)  APOTHECON's  failure to pay
         royalties in accordance  with the * License  Agreement for such country
         or countries.

                  11.2.2.1 If GJT breaches this Agreement prior to the date that
                  initial commercial launch occurs in the United States and in a
                  manner that entities * to terminate this Agreement pursuant to
                  this  section  11.2.2,  then,  if * elects to  terminate  this
                  Agreement: (i) all rights granted to * under this Agreement *;
                  (ii) no further  payments  shall be due from * with respect to
                  any of the  milestones  not yet  paid  that  are set  forth in
                  Section 4.6 hereof and section 7.1 of the * License  Agreement
                  (and  the  subsections   thereunder);   (iii)  the  *  License
                  Agreement  shall  terminate  with respect to the right to sell
                  the  Product  in such  country(ies);  (iv)  all  Registrations
                  pertaining  to  the  Product  shall  be * as to  the  affected
                  country(ies)  and the * under this Agreement shall be provided
                  to and thereafter may be * to develop,  manufacture and market
                  the Product (provided,  that the foregoing shall not create or
                  imply any right or license under any patent rights,  copyright
                  rights,   trademarks  or  trade  names,   know-how,  or  other
                  intellectual  property  rights owned or controlled by * or its
                  Affiliates);  (v) * shall pay to * the same *, which  shall be
                  paid in the same  manner  and  subject  to the same  terms and
                  conditions  as would  otherwise  have applied to *, as * would
                  otherwise  have paid  (absent  such  termination)  under the *
                  License Agreement to * (or on the * of such *, as the case may
                  be)  of  the  Product  in  the   country(ies)  to  which  such
                  termination  applies  (with  such * to be  paid  by * and  its
                  Affiliates  until  expiration of the Royalty Term in each such
                  country),  until  such  time  as the *  paid  to *  equal  the
                  aggregate  amount  that had been  paid by * to * prior to such
                  termination  under  sections  4.6  and  7.1  hereof  (and  the
                  subsections  thereunder),  at which  time * of the  rate  then
                  applicable  from  time  to  time  thereafter;  and  (vi)  such
                  termination  shall be without prejudice to any other rights or
                  remedies available to * arising from such breach.

                  11.2.2.2 If GJT breaches this Agreement subsequent to the date
                  that initial commercial launch occurs in the United States and
                  in  a  manner  that  entitles   APOTHECON  to  terminate  this
                  Agreement pursuant to this section 11.2.1,  then, if APOTHECON
                  elects to terminate this


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                                      -23-


<PAGE>

                  Agreement, then the provisions of subsections 11.2.2.1(i)-(vi)
                  apply as though fully set forth herein.

                  11.2.2.3 If APOTHECON  breaches  this  Agreement  prior to the
                  date that  initial  commercial  launch  occurs  in the  United
                  States  and in manner  that  entitles  GJT to  terminate  this
                  Agreement pursuant to this section 11.2.2,  then GJT may elect
                  either:

                           (A)  to  pursue  all  claims  and  causes  of  action
                           available  to it at law or in equity for such breach,
                           or

                           (B) to terminate this Agreement,  in which event: (i)
                           * shall be deemed to waive and release all claims and
                           causes of action  available to it at law or in equity
                           for  such  breach,  and  such  termination  shall  be
                           without  penalty or  liability  to *; (ii) all rights
                           granted by * hereunder  shall * with  respect to such
                           country(ies) so terminated;  (iii) * will be relieved
                           of any * that  are  scheduled  or may be  made in the
                           future  under  section  4.6 hereof and section 7.1 of
                           the  *  License   Agreement   (and  the   subsections
                           thereunder); (iv) all Registrations pertaining to the
                           Product  shall be * as to the  affected  country(ies)
                           and the * under this  Agreement  shall be provided to
                           and thereafter may be * to develop,  manufacture  and
                           market the Product; (v) the * License Agreement shall
                           terminate  with  respect  to the  right  to sell  the
                           Product  in  such  country(ies);  and  (vi) * and its
                           Affiliates shall thereafter be entitled * as they may
                           have under the  GEOMATRIX  Agreements  to make,  have
                           made, use or sell the Product in the  country(ies) so
                           terminated  without  compensation or obligation to *;
                           provided,  that the  foregoing  rights under (iv) and
                           (vi)  shall not  create or imply any right or license
                           under any patent rights, copyright rights, trademarks
                           or trade names, or other intellectual property rights
                           owned or controlled by * or its Affiliates.

                  11.2.2.4 If APOTHECON  breaches this  Agreement  subsequent to
                  the date that initial  commercial  launch quantities occurs in
                  the United States and in manner that entitles GJT to terminate
                  this Agreement  pursuant to this section 11.2.2,  then GJT may
                  elect either:

                           (A)  to  pursue  all  claims  and  causes  of  action
                           available  to it at law or in equity for such breach,
                           or

                           (B) to terminate this Agreement,  in which event: (i)
                           * shall be deemed to waive and  released  all  claims
                           and  causes  of action  available  to it at law or in
                           equity for such breach, and such termination shall be
                           without  penalty or  liability  to *; (ii) all rights
                           and licenses  granted by GJT  hereunder  shall * with
                           respect to such  country(ies)  so *; (iii) * shall be
                           relieved of any * that are  scheduled  or may be made
                           in the future  under  sections  4.6 hereof and 7.1 of
                           the  *  License   Agreement   (and  the   subsections
                           thereunder),   provided  that  such   termination  is
                           exercised with respect to United  States;  (iv) * and
                           its  Affiliates   shall  thereafter  be  entitled  to
                           exercise  such  rights  as they  may have  under  the
                           GEOMATRIX  Agreements to make, have made, use or sell
                           the Product in the  country(ies) so terminated  (and,
                           provided,  that the  foregoing  shall  not  create or
                           imply any right or license  under any patent  rights,
                           copyright   rights,   trademarks   or  trade   names,
                           know-how, or other intellectual property rights owned
                           or  controlled  by * or its  Affiliates);  (v)  the *
                           License Agreement shall terminate with respect to the
                           right to sell the Product in such country(ies);  (vi)
                           all Registrations  pertaining to the Product shall be
                           * as to the  affected  country(ies)  and  the * under
                           this  Agreement  shall be provided to and  thereafter
                           may  be * to  develop,  manufacture  and  market  the
                           Product; and (vii) * shall pay to *


                                      -24-


<PAGE>

                           the same *,  which  shall be paid in the same  manner
                           and subject to the same terms and conditions as would
                           otherwise  have  applied  to *, as * would  otherwise
                           have  paid  (absent  such  termination)  under  the *
                           License Agreement to * (or on the * of such *, as the
                           case may be) of the  Product in the  country(ies)  to
                           which such termination  applies (with such royalty to
                           be paid by * and its  Affiliates in each such country
                           until  expiration  of the  Royalty  Term in each such
                           country),  until  such  time as the * paid to * equal
                           the  aggregate  amount  that had been  paid by * to *
                           prior  to  such   termination   under  the  aforesaid
                           sections   4.6   and   7.1   (and   the   subsections
                           thereunder),  at which  time the  royalty  rate  then
                           prevailing  on * (or on the * of such *, as the  case
                           may be) in the United States shall be *).

         11.2.3  Termination for Failure to Meet Milestones.

                  11.2.3.1 If all bioequivalence  testing,  all pivotal clinical
                  and bioequivalence studies shall not have been completed,  and
                  Validated Manufacturing Scale-Up capabilities (biobatches) for
                  the Product shall not have been completed and  demonstrated to
                  APOTHECON's  reasonable  satisfaction,  by * so as  to  enable
                  manufacture  and marketing of the Product in the United States
                  and  other  major  markets   designated   by  APOTHECON,   and
                  irrespective  of whether  APOTHECON is  otherwise  entitled to
                  terminate  this Agreement  pursuant to any other  provision of
                  this Article 11:

                           a)       APOTHECON will have the right to immediately
                                    terminate   this   Agreement   at  any  time
                                    thereafter until *, or

                           b)       allow additional time for the completion and
                                    demonstration of same until *.

                  If APOTHECON  elects to terminate  this Agreement with respect
                  to one or more  countries  pursuant to option (a) above,  then
                  the provisions of section 11.2.1.2(i)-(vii),  inclusive, shall
                  apply.

                  If  APOTHECON  elects  not  to  terminate  this  Agreement  in
                  accordance with (a) above, then all payments due after * under
                  section  7.1 of the *  License  Agreement  shall  be * and all
                  royalty rates applicable to all * in the Territory at any time
                  thereafter under the * License  Agreement shall be * provided,
                  * shall not apply if (A) the  failure  to so  demonstrate  and
                  complete  the  foregoing  was  due to *  failure  to  use  all
                  reasonable  efforts to Scale-up  and to  manufacture  adequate
                  quantities  of  conforming  Product  on a timely  basis (and *
                  shall   have   given   reasonable   advance   notice   of  its
                  requirements)   and/or  failure  to  comply  in  all  material
                  respects  with the  Specifications  and  written  instructions
                  provided * with respect to the use of the GEOMATRIX Technology
                  in connection with the  manufacture of the Product,  and (B) *
                  shall have fulfilled its obligations hereunder in all material
                  respects  with respect to the transfer and training in the use
                  of the GEOMATRIX Technology.

                  11.2.3.2  If,   notwithstanding   APOTHECON's  election  under
                  section  11.2.3.1(b)  above, all bioequivalence  testing,  all
                  pivotal  clinical and  bioequivalence  studies  shall not have
                  been   completed,   and   Validated   Manufacturing   Scale-Up
                  capabilities (bio-batches) for the Product shall not have been
                  completed   and   demonstrated   to   APOTHECON's   reasonable
                  satisfaction,  by * so as to enable  manufacture and marketing
                  of the Product in the United  States and other  major  markets
                  designated  by  APOTHECON,  and  APOTHECON  is  not  otherwise
                  entitled to  terminate  this  Agreement  pursuant to any other
                  provision of this Article 11, then APOTHECON shall be entitled
                  to elect,  at any time within * thereafter,  to terminate this
                  Agreement,   in  which   event  the   provisions   of  section
                  11.2.1.2(i)-(vii), inclusive, shall apply.


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                  If  APOTHECON  elects  not  to  terminate  this  Agreement  in
                  accordance with this section  11.2.3.2,  then all payments due
                  after * under section 7.1 of the * License  Agreement shall be
                  eliminated and waived, and all royalty rates applicable to all
                  * in the Territory  under the * License  Agreement at any time
                  thereafter shall be * provided, that such reductions shall not
                  apply if (A) the failure to so  demonstrate  and  complete the
                  foregoing was due to * failure to use all  reasonable  efforts
                  to  Scale-up  and  to  manufacture   adequate   quantities  of
                  conforming  Product on a timely  basis (and * shall have given
                  reasonable advance notice of its requirements)  and/or failure
                  to comply in all material respects with the Specifications and
                  written instructions provided * with respect to the use of the
                  GEOMATRIX Technology in connection with the manufacture of the
                  Product,   and  (B)  shall  have  fulfilled  its   obligations
                  hereunder  in  all  material  respects  with  respect  to  the
                  transfer and training in the use of the GEOMATRIX Technology.

         11.2.4  Other Termination.

                  11.2.4.1 Termination for Misrepresentation.  In the event that
                  a representation or warranty of GJT hereunder is untrue in any
                  material  respect,  APOTHECON  shall be entitled to  terminate
                  this  Agreement  upon thirty (30) days' written notice to GJT.
                  If APOTHECON  elects to so  terminate,  the rights and actions
                  indicated in sections  11.2.2.1 (i) - (vi),  inclusive,  shall
                  apply as though set forth herein.

                  11.2.4.2  Termination  for  Failure to Repay  Working  Capital
                  Agreement.  If GJT fails to make a payment  when due under its
                  Restated  Working  Capital  Agreement dated as of May 12, 1995
                  (as amended by a First Amendment  thereto dated as of July 11,
                  1995,  and as the  same  may be  amended  from  time  to  time
                  hereafter,  and  including any  successor  agreement  thereto)
                  between GJT and Genta,  Incorporated,  a Delaware  corporation
                  ("Genta"),  GJT shall promptly  inform  APOTHECON of same, and
                  APOTHECON may elect (by  delivering a writing to GJT,  Jagotec
                  and Jago Pharma of APOTHECON's intent to exercise such option)
                  at any time  thereafter  to terminate  this  Agreement  and to
                  require  each of Jagotec  and Jago  Pharma to, and Jagotec and
                  Jago Pharma agree that each of them will,  promptly enter into
                  a new, separate  agreement with APOTHECON under which (i) Jago
                  Pharma and Jagotec  will,  to the extent each has the right to
                  do so, ensure that any licenses,  sublicenses and other rights
                  and  privileges  granted  by GJT under  this  Agreement  shall
                  continue  without  change,  (ii) Jago  Pharma  will assume all
                  rights  and  obligations  of GJT  under  articles  3, 4, 5, 6,
                  11.4.5,  12, 14, 15.1,  and 15.2 hereof and will promptly cure
                  any  defaults of GJT under said  articles,  any payments to be
                  made   thereafter  by  APOTHECON  under  said  articles  shall
                  thereafter  be  paid  to  Jago  Pharma,  and  APOTHECON  shall
                  continue to enjoy all rights and privileges granted under said
                  articles,  and  (iii)  Jagotec  will  assume  all  rights  and
                  obligations of GJT under article 8 hereof,  any payments to be
                  made   thereafter  by  APOTHECON   under  said  article  shall
                  thereafter be paid to Jagotec, and APOTHECON shall continue to
                  enjoy all rights and privileges granted under said article.

         11.2.5 No Effect on Remedies.  Where APOTHECON  elects not to terminate
         the Agreement pursuant to section 11.2.2.1,  11.2.2.2,  or 11.2.4, such
         decision  shall be without  prejudice  to any other  rights or remedies
         available to APOTHECON arising from such breach or untrue statement.

         11.2.6  Injunctive Relief.  If:

         i)       GJT or its  Affiliates  breach  section  3.1 of the *  License
                  Agreement or section 6.3 hereof, or

         ii)      APOTHECON  or  its  Affiliates  breach  section  3.1  of the *
                  License Agreement,

         then the  parties  acknowledge  and agree that such  breach  will cause
         irreparable  injury to the  nonbreaching  party or its Affiliates,  for
         which  monetary  damages,  even if available,  will be  inadequate  and
         difficult, if


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         not impossible, to accurately ascertain. Accordingly, the parties agree
         that the  nonbreaching  party  or its  Affiliates  may seek and  obtain
         injunctive  relief  against  the  breach  or  threatened  breach of the
         undertakings set forth in this section 11.2.6 (i) and (ii), in addition
         to  any  other  rights  or  remedies  which  may  be  available  to the
         nonbreaching party or to its Affiliates at law or in equity.

         11.3 Effect on Continuing  Business.  In the event of a termination  of
this  Agreement  in which  the  rights  to  market  the  Product  revert  to GJT
hereunder, GJT shall not be under any obligation, express or implied, to use the
Registrations  and data  transferred to it or to continue to  commercialize  the
Product, and APOTHECON shall not be under any obligation, express or implied, to
continue to transfer any inventory of Product to GJT or to  manufacture  Product
for GJT following such termination.

                  Effect of Bankruptcy.  If a party becomes  insolvent or admits
                  in writing  its  inability  to pay its debts as they mature or
                  applies for or consents  to the  appointment  of a receiver or
                  trustee for any of its properties; or a receiver or trustee is
                  appointed  for such  party  or a  substantial  portion  of its
                  properties and is not  discharged  within ninety (90) days; or
                  any bankruptcy, reorganization, debt arrangement, dissolution,
                  liquidation  or  other  proceeding  under  any  bankruptcy  or
                  insolvency  law is instituted by or against such party and, if
                  instituted  against  such party,  it is  consented  to by such
                  party or remains undismissed for ninety (90) days, then

         11.3.1   Notwithstanding  any  such  event,  such  party  shall  remain
         obligated to fulfill its obligations and covenants  hereunder,  and any
         failure to do so or other  breach  hereunder  shall  entitle  the other
         party to  terminate  this  Agreement  in  accordance  with section 11.2
         hereof; and

         11.3.2 It is the parties  desire that, if any such  receiver,  trustee,
         judge,  arbitrator or other adjudicator  conducting or controlling such
         proceedings  on behalf  of a party  should  hold that any  obligations,
         covenants  or duties of such party  hereunder  should be  suspended  or
         declared  unenforceable,  in  whole or in part,  then  the  rights  and
         benefits  granted to the other  party  hereunder  shall  remain in full
         force and effect,  and that any such  obligations,  covenants or duties
         shall be reformed by such receiver, trustee, judge, arbitrator or other
         adjudicator so as to be enforceable to the maximum extent  permitted by
         applicable  law  and to  permit  any  suspension  to be  lifted  at the
         earliest practicable time.

         11.4 Other Effects.

         11.4.1 Effect of Reversion.  Where a termination of this Agreement,  as
         provided for in this Article 11.2,  results in a reversion of rights to
         GJT that had been granted to APOTHECON  under Articles 3 and 9 of the *
         License  Agreement,  APOTHECON shall not thereafter make any use of the
         Patent Rights and Trademarks,  and, except to the extent the same shall
         have  entered the public  domain,  the  Know-how,  with  respect to the
         country(ies) affected by such termination.

         11.4.2 Survival. The provisions of

                  (i)      Articles 2.2 and 2.3 shall survive any  expiration of
                           this Agreement under section 1.1(iii), and

                  (ii)     Articles 5.7, 6.4, 6.5,  8.3-8.5,  8.7, 10, 11.2.4.2,
                           11.2.5,  11.2.7,  11.4-11.6,  12, 14, 16.2,  16.3 and
                           16.4 shall survive any  expiration or  termination of
                           the Agreement, in whole or in part,

         as well as such other terms,  obligations  and rights  which,  by their
         intent or  meaning,  are  intended  to so survive.  The  expiration  or
         termination of the Agreement  shall not relieve either party of payment
         of any  amounts  that  may be  owed  to the  other  based  upon  events
         occurring  or rights  accruing  prior to the date of  termination,  and
         shall be without  prejudice,  except as provided in sections  11.2.2.3,
         and 11.2.2.4,  to any rights and  obligations  of either party accruing
         prior to, or that may be based on acts or  omissions of the other party
         occurring prior to, the effective date of termination.


- - - ------------------
*    Confidential treatment requested. The redacted material has been separately
     filed with the Commission.


                                      -27-


<PAGE>

         11.4.3 Undeveloped Products.  The Products licensed hereunder shall not
         be treated  as  "Undeveloped  Products"  under  sections  11.2.3 of the
         GEOMATRIX  License  Agreement  and  GEOMATRIX   Manufacturing   License
         Agreement.

         11.4.4  No  Waiver.  The  right  of  either  party  to  terminate  this
         Agreement,  as hereinabove  provided,  or to pursue rights and remedies
         available  to it at law or in equity,  shall not be affected in any way
         by its  waiver  of, or  failure to take  action  with  respect  to, any
         previous defaults or breaches hereunder.

         11.4.5 Use of Data Following Termination. Notwithstanding any provision
         of this Agreement that may state or imply to the contrary, in the event
         that this  Agreement  terminates  for any reason,  it is understood and
         agreed  that  all data  generated  pursuant  to  activities  funded  by
         APOTHECON  pursuant to section 4.6 of this Agreement and transferred or
         made available to GJT or its Affiliates under this Agreement (including
         without    limitation    pursuant   to   11.2.1.1(iv),    11.2.1.2(vi),
         11.2.2.1(iv),  11.2.2.3(iv), or 11.2.2.4(vi) of this Agreement) may not
         thereafter be used by, and may not  thereafter be made  available to or
         disclosed  to any  Third  Party  by,  GJT  or  any  of  its  Affiliates
         (including any Jagotec and Genta Incorporated,  a Delaware corporation,
         and their respective Affiliates) in the development, or registration or
         filing for regulatory  approval,  of any product other than the Product
         (including  without  limitation  not  using  and not  making  such data
         available for developing or filing of an NDA in the United States for a
         * product  based on,  incorporating,  or  derived  from the use of, the
         GEOMATRIX  Technology),  without the prior written consent of APOTHECON
         (which  consent  may be given  or  withheld  in its  sole and  absolute
         discretion).

         11.5 Survival of Rights and Sublicenses.

         11.5.1 In the event of an event that the  GEOMATRIX  License  Agreement
         and/or  the  GEOMATRIX   Manufacturing  License  Agreement  is  or  are
         terminated, for whatever reason and whether by action taken by Jagotec,
         GJT or both,  this Agreement,  and any licenses,  sublicenses and other
         rights and privileges granted or extended to APOTHECON  hereunder shall
         continue and remain in full force and effect in  accordance  with their
         terms, without further action or election on the part of APOTHECON, and
         notwithstanding  any provision  (including  without  limitation section
         11.4)  to the  contrary  in the  GEOMATRIX  License  Agreement  and the
         GEOMATRIX Manufacturing Agreement.

         11.5.2  If GJT  breaches  this  Agreement  in a  manner  that  entitles
         APOTHECON to terminate  same pursuant to section  11.2.2.1 or 11.2.2.2,
         or makes an untrue statement that entitles  APOTHECON to terminate same
         pursuant  to  section  11.2.4.1,  or in the  event  that GJT  commences
         proceedings  to dissolve,  liquidate or wind up its affairs,  then,  in
         addition to any other  remedies  available to it hereunder or at law or
         in equity,  APOTHECON may (A) elect any remedies  available to it under
         any  applicable  Waiver and Consent  and/or (B) elect (by  delivering a
         writing  to GJT,  Jagotec  and Jago  Pharma  of  APOTHECON's  intent to
         exercise  its rights  under this  section  11.5.2)  to  terminate  this
         Agreement with GJT, and: (i) any licenses, sublicenses and other rights
         and  privileges  granted by GJT under  this  Agreement  shall  continue
         without  further  action or  election  on the part of  APOTHECON,  with
         APOTHECON continuing to have the same rights and obligations as are set
         forth in this Agreement,  notwithstanding any provision to the contrary
         contained in section 11.4 of the  GEOMATRIX  License  Agreement (as the
         same may be thereafter amended, supplemented or extended) or in section
         11.4 of the GEOMATRIX  Manufacturing License Agreement (as the same may
         be thereafter amended,  supplemented or extended), (ii) Jago Pharma and
         Jagotec  will,  to the extent each has the right to do so,  ensure that
         all licenses,  sublicenses  and other rights and privileges  granted by
         GJT under this Agreement  shall continue  without  change,  (iii) enter
         into an agreement  with Jago Pharma under which Jago Pharma will assume
         all rights and  obligations  of GJT under  articles 3, 4, 5, 6, 11.4.5,
         12, 14, 15.1,  and 15.2 hereof,  will promptly cure any defaults of GJT
         under said  articles,  any payments to be made  thereafter by APOTHECON
         under  said  articles  shall  thereafter  be paid to Jago  Pharma,  and
         APOTHECON  shall  continue to enjoy all rights and  privileges  granted
         under said  articles,  and (iv) enter into an  agreement  with  Jagotec
         under which Jagotec will assume all rights and obligations of GJT under
         article 8 hereof, any payments to be made thereafter by APOTHECON under
         said article shall  thereafter be paid to Jagotec,  and APOTHECON shall
         continue to enjoy all rights and privileges


- - - ------------------
*    Confidential treatment requested. The redacted material has been separately
     filed with the Commission.


                                      -28-


<PAGE>

         granted  under said article.  Upon request,  Jagotec and Jago Pharma AG
         will deliver to APOTHECON satisfactory confirming written documentation
         of same.

         11.5.3 In no event shall  APOTHECON be required,  as a condition to the
         continuance or continuing validity of any license,  sublicense or other
         rights granted by GJT under this  Agreement,  to give written notice to
         Jagotec of any election to continue  such rights,  to assume all rights
         and obligations of GJT, and/or to promptly cure all defaults of GJT, as
         otherwise  required under section 11.4 of each of the GEOMATRIX License
         Agreement and GEOMATRIX Manufacturing License Agreement.

     11.6  Transfer of  Registrations  and Rights.  In the event this  Agreement
terminates,  and GJT is entitled  hereunder  (and notifies  APOTHECON in writing
that it desires) to continue the development and marketing of the Product in the
country(ies)  affected  by such  termination,  the parties  agree to  reasonably
cooperate to ensure an orderly transition for a reasonable period (not to exceed
*)  following  such  termination,  and the parties  will  effectuate  an orderly
transfer of any  Registrations  owned or controlled by APOTHECON with respect to
the Product in such  country(ies) to GJT;  provided,  however,  that in no event
shall the foregoing create or imply any right to use or license under any patent
rights,  copyright  rights,  trademarks or trade names  (including those for the
Product),  know-how or other intellectual property rights owned or controlled by
APOTHECON or its Affiliates).  Such transfer(s) in such country(ies) shall be *;
provided  that * shall bear all * into its name in such  country(ies)  and shall
reimburse * for any  out-of-pocket  costs incurred by it in connection  with the
foregoing.  * shall be entitled to retain,  subject to the * as provided  for in
section 7.2 of the * License  Agreement,  the amount  received by it on * during
such transition period and shall use reasonable efforts to comply with the terms
of this Agreement. For any other termination of this Agreement, such termination
shall not result in any transfer of any  Registrations  owned or  controlled  by
APOTHECON to GJT or Jagotec,  and regardless of any provision  (such as sections
11.5 of the  GEOMATRIX  License  Agreement  and of the  GEOMATRIX  Manufacturing
License  Agreement) to the contrary in any agreement  between GJT and any one or
more of its Affiliates.


                                   ARTICLE 12
                                    INDEMNITY

         12.1 Indemnity.

          12.1.1 Indemnity by APOTHECON.  APOTHECON shall defend,  indemnify and
          hold Jagotec,  GJT, their  respective  Affiliates and their respective
          directors,    officers,    employees,    consultants,     contractors,
          Subcontractees, and agents (each a "GJT Indemnitee") harmless from and
          against  *  (including   reasonable   attorneys'  fees  and  costs  of
          litigation,  *) as a result  of any  claim,  demand,  action  or other
          proceeding  by a Third  Party based upon any death,  bodily  injury or
          physical  property  damage arising from or relating to the manufacture
          (including  without  limitation  failure  to  manufacture  Product  in
          accordance  with  the   Specifications  or  adulteration  of  Product)
          distribution,   use,   handling,   packaging,   labeling,   promotion,
          marketing,  storage,  or sale of  Products  by or on  behalf of *, its
          Affiliates  and its and  their,  licensors,  licensees,  sublicensees,
          contractors and subcontractors, except:

                  12.1.1.1 to the extent such damages or other  amounts  payable
                  arise from or are attributable to:

                           (i)      the negligence,  fault or willful misconduct
                                    of any *, or

                    (ii) * of the  terms of the *  License  Agreement  and/or of
                         this  Agreement (or  adulteration  of the Product while
                         under the control of * or any of its contractees), or


- - - ------------------
*    Confidential treatment requested. The redacted material has been separately
     filed with the Commission.


                                      -29-


<PAGE>

                           (iii) reliance  upon  any  written   instructions  or
                                 written    information    pertaining   to   the
                                 manufacture  and  storage   conditions  of  the
                                 Product   and/or  the  use  of  the   GEOMATRIX
                                 technology in connection  therewith provided by
                                 *,  any of its  Affiliates,  or its or  their
                                 licensors, contractors and Subcontractees.

          12.1.2  Indemnity  by  GJT.  GJT  shall  defend,  indemnify  and  hold
          APOTHECON,  its respective  Affiliates,  and its and their  respective
          directors,    officers,    employees,    consultants,     contractors,
          subcontractors  and agents (each an "APOTHECON  Indemnitee")  harmless
          from and against * (including  reasonable attorneys' fees and costs of
          litigation,  *) as a result  of any  claim,  demand,  action  or other
          proceeding  by a Third  Party  based  upon  death,  bodily  injury  or
          physical  property  damage arising from or relating to the development
          of the  Product,  the  Specifications  provided,  and/or  any  written
          instructions or written information  provided by GJT or its Affiliates
          pertaining to the use of the GEOMATRIX  technology in connection  with
          the manufacture or storage of the Product, except:

                  12.1.2.1 to the extent such damages or other  amounts  payable
                  arise from or are attributable to:

                           (i)      *, or

                           (ii)     *.

         12.2 Procedure.  It is a condition  precedent to a party's  obligations
under Section 12.1 above that:

         12.2.1 A party (the "Indemnitee") that intends to claim indemnification
         under  this   Article  12   promptly   shall   notify  the  other  (the
         "Indemnifying  Party") of any claim, demand, action or other proceeding
         with   respect   to  which  the   Indemnitee   intends  to  claim  such
         indemnification.  The failure of an Indemnitee to deliver notice to the
         Indemnifying  Party within a reasonable time after the  commencement of
         any such action or other proceeding, if prejudicial to the Indemnifying
         Party's  ability  to  defend  such  action or other  proceeding,  shall
         relieve the  Indemnifying  Party of any  obligation or liability it may
         have under  Section  12.1,  provided  that the failure to deliver  such
         notice shall not relieve the Indemnifying Party of any liability it may
         have otherwise than under Article 12.1; and

         12.2.2 The  Indemnifying  Party shall have the right to  participate in
         and, to the extent it so desires, to assume sole control of the defense
         thereof (including all decisions relative to settlement, litigation and
         appeal)  with counsel  selected by the  Indemnifying  Party;  provided,
         however,  that the  Indemnitee  shall  have the right to retain its own
         counsel  with the fees and  expenses  to be paid by the  Indemnitee  if
         representation   of  the   Indemnitee   by  the  counsel   retained  by
         Indemnifying  Party would be  inappropriate  due to actual or potential
         conflicting  interests  between  the  Indemnitee  and any  other  party
         represented  by  such  counsel  in  such  proceedings.   The  indemnity
         obligations  under this  Article 12 shall not apply to amounts  paid in
         settlement  of any claim,  demand,  action or other  proceeding if such
         settlement  is  effected  without  the  prior  written  consent  of the
         Indemnifying Party; and

         12.2.3  Each  lndemnitee  shall  cooperate  fully (to the  extent  such
         cooperation  would not be  inappropriate  due to  actual  or  potential
         conflicting  interests)  with  the  Indemnifying  Party  and its  legal
         representatives in the investigation and defense of any claim,  demand,
         action or other proceeding  covered by this Article 12; provided,  that
         the failure of an  Indemnitee  to provide  such  cooperation  shall not
         affect the Indemnifying  Party's  obligations under Section 12.1 to any
         other   Indemnitee   not  capable  of  exercising   control  over  such
         noncooperative Indemnitee.

         12.3   Insurance.   Each   Indemnifying   Party  shall   *,  with
respect to its  indemnification  obligations under this Agreement in such *


- - - ------------------
*    Confidential treatment requested. The redacted material has been separately
     filed with the Commission.


                                      -30-


<PAGE>


*  under-taking  activities  with  products of a similar  nature to the Products
being manufactured and sold hereunder.  After the commencement of human clinical
trials or the commercial  sale of the Product or other product,  each party,  as
applicable, .


                                   ARTICLE 13
                                  FORCE MAJEURE

         Neither party hereto shall be held liable or  responsible  to the other
party  nor be deemed to have  defaulted  under or  breached  the  Agreement  for
failure or delay in fulfilling or performing any term of the Agreement,  and the
time required for performance shall be extended by the period occasioned by such
cause, when such failure or delay is caused by or results from causes beyond the
reasonable  control of the  affected  party  including  but not limited to fire,
floods,  embargoes,  war,  acts  of  war  (whether  war  be  declared  or  not),
insurrections,  riots,  civil  commotions,  strikes,  lockouts  or  other  labor
disturbances,  acts  of God or  acts,  omissions  or  delays  in  acting  by any
governmental  authority  or the other  party  hereto,  but not  failure or delay
caused by subcontractors of a party who breach their obligations hereunder.  The
party so affected shall give prompt notice to the other party of such cause, and
shall use its best  efforts to  minimize  the delay in  performance  and adverse
effects occasioned by such cause.


                                   ARTICLE 14
                                 SUBCONTRACTEES


         APOTHECON  understands  that GJT intends to  contract  with one or more
Affiliates and other Persons ("Subcontractees") to perform certain of its duties
hereunder,  including  without  limitation,  subcontracting  with  one  or  more
contract research  organizations to perform necessary clinical studies. All such
Subcontractees must be reasonably acceptable to APOTHECON. All such arrangements
shall be evidenced by written agreement(s) between GJT and such Subcontractee(s)
which are consistent with the terms of this Agreement and which accord APOTHECON
the same rights,  benefits and options  under such  agreements  as APOTHECON has
hereunder with GJT, including without limitation,  the right of APOTHECON,  upon
reasonable  notice  and  at  reasonable  times,  to  examine  a  Subcontractee's
facilities,  to make copies of relevant  records and monitor the work  performed
thereunder  pertaining  to the  Product,  and to  determine  the adequacy of the
facilities  and whether the pertinent  duties are being  performed in compliance
with this Agreement and relevant governmental requirements. Any such subcontract
shall  be  subject  to the  terms  and  conditions  of the  Agreement,  and  any
Subcontractee  shall  be  bound  by  all  obligations  and  undertakings  of GJT
hereunder  (as  they  relate  to the  obligations  and  rights  so  assigned  or
delegated).  All such  agreements  shall be submitted  by GJT to  APOTHECON  for
review, which GJT shall use commercially reasonable efforts to effect in advance
of execution to allow APOTHECON  reasonable  opportunity to comment  thereon.  A
copy of each  such  executed  Subcontractee  agreement,  and any  amendments  or
supplements  thereto,  shall be promptly provided by GJT to APOTHECON  following
execution of same.

         All compensation,  reimbursement of costs and other payments to be made
for any such  Subcontractee's  services is solely a matter  between GJT and such
Subcontractee(s),  and GJT shall indemnify and hold APOTHECON  harmless from and
against any claims of compensation, cost reimbursement or other payments claimed
by any  such  Subcontractee(s)  in  connection  with  the  performance  of  this
Agreement.

         GJT will ensure (with respect to any Affiliate Subcontractee), and will
use  commercially  reasonable  efforts  to  ensure  (in the  case  of any  other
Subcontractee),  that  APOTHECON  is  expressly  designated  as  a  third  party
beneficiary of a Subcontractee's obligations to GJT pertaining to this Agreement
and of GJT's rights under such  Subcontractee's  written agreement with GJT. GJT
will be  responsible  and  liable  to  APOTHECON  for  any  breach  by any  such
Subcontractee  of its  obligations  under such agreements and for the failure by
such Subcontractee to perform any duties hereunder assigned or delegated to such
Subcontractee.


                                      -31-


<PAGE>

                                   ARTICLE 15
            ASSIGNMENT; SEVERABILITY: REPRESENTATIONS AND WARRANTIES

         15.1  Assignment.  Except to the extent  specifically set forth in this
Agreement,  this Agreement may not be assigned or nor may the performance of any
duties  hereunder be delegated or  transferred,  nor may any right or obligation
hereunder be assigned or transferred, by either party, without the prior written
consent of the other party (which consent shall not be  unreasonably  withheld);
provided, however, that either party may, without such consent, assign the right
to receive payments to an Affiliate, and may assign the Agreement and its rights
and  obligations  hereunder  in  connection  with the transfer or sale of all or
substantially all of its business assets to which this Agreement relates,  or in
the event of  merger,  consolidation,  or similar  reorganization  (or change in
control or similar transaction);  and provided,  further, that in the case of an
assignment,  the assigning  party shall remain liable as a continuing  guarantor
under  any  such  assignment  of all  obligations  and  duties  assumed  by such
Affiliate,  and the other party shall have entered  into a separate  counterpart
agreement with any such Affiliate.  Such  counterpart  agreement shall be in the
same form as this Agreement,  except for necessary changes to reflect the extent
of the assignment,  the  substitution of the Affiliate's  name and the effective
date of the assignment.

         15.2  Severability.  Each party  hereby  acknowledges  that it does not
intend  to  violate  any  public  policy,   statutory  or  common  laws,  rules,
regulations,  treaty or  decision of any  government  agency or  executive  body
thereof of any country or community or association  of countries.  Should one or
more provisions of the Agreement be or become invalid,  the parties hereto shall
substitute,  by mutual  consent,  valid  provisions for such invalid  provisions
which valid provisions in their economic effect are sufficiently  similar to the
invalid provisions that it can be reasonably assumed that the parties would have
entered into the Agreement with such provisions.  In case such provisions cannot
be agreed upon,  the  invalidity  of one or several  provisions of the Agreement
shall not affect the validity of the  Agreement  as a whole,  unless the invalid
provisions  are of such  essential  importance to the Agreement that it is to be
reasonably  assumed that the parties  would not have entered into the  Agreement
without the invalid provisions.

         15.3 General Representations and Warranties.  Each party represents and
warrants to the other the following:

         15.3.1 Existence and Power. It (a) is duly organized,  validly existing
         and in good standing under the laws of the  jurisdiction in which it is
         organized;  (b) has the  requisite  power and  authority  and the legal
         right to own and operate its property and assets, to lease the property
         and assets it operates under lease,  and to carry on its business as it
         is now being conducted;  and (c) is in compliance with all requirements
         of applicable  law, except to the extent that any  noncompliance  would
         not  have  a  material  adverse  effect  on the  properties,  business,
         financial or other  condition of it and would not materially  adversely
         affect its ability to perform its obligations under the Agreement.

         15.3.2  Authorization  and Enforcement of  Obligations.  It (a) has the
         requisite  power and  authority  and the legal  right to enter into the
         Agreement and to perform its obligations  hereunder;  and (b) has taken
         all  necessary  action  on its  part to  authorize  the  execution  and
         delivery  of the  Agreement  and  the  performance  of its  obligations
         hereunder.  The  Agreement  has been duly executed and delivered on its
         behalf, and constitutes a legal, valid, binding obligation, enforceable
         against it in accordance with its terms.

         15.3.3   No   Consents.   All   necessary   consents,   approvals   and
         authorizations  of  all  governmental  authorities  and  other  Persons
         required to be obtained by it in  connection  with the  Agreement  have
         been obtained.

         15.3.4 No Conflict.  The execution and delivery of the Agreement on its
         behalf and the  performance  of its  obligations  hereunder  (a) do not
         conflict  with  or  violate  any  requirement  of  applicable  laws  or
         regulations,  and (b) do not  conflict  with,  or  constitute a default
         under, any contractual obligation of it.

         15.3.5   DISCLAIMER OF WARRANTIES.  NOTHING IN THE AGREEMENT SHALL BE
         CONSTRUED AS A REPRESENTATION MADE, OR WARRANTY GIVEN, BY GJT THAT ANY
         RESEARCH AND DEVELOPMENT PERFORMED BY IT UNDER THIS AGREEMENT WILL BE


                                      -32-


<PAGE>

         SUCCESSFUL,  IN WHOLE OR IN PART,  OR THAT ANY  PRODUCTS  WHICH  MAY BE
         DEVELOPED WILL BE SUCCESSFUL IN THE COMMERCIAL  MARKETPLACE.  APOTHECON
         ACKNOWLEDGES  THAT,  EXCEPT AS OTHERWISE  SET FORTH HEREIN OR AS MAY BE
         SET FORTH IN A WRITING SIGNED BY GJT, GJT MAKES NO  REPRESENTATIONS  OR
         WARRANTIES,  EXPRESS OR IMPLIED, WITH RESPECT TO ANY PRODUCTS WHICH MAY
         BE   DEVELOPED,   INCLUDING   WITHOUT   LIMITATION,   ANY  WARRANTY  OF
         MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.

         15.4 GJT Representations and Warranties. GJT represents and warrants to
APOTHECON as of the Effective Date the following:

         15.4.1 The Patent Rights listed on Exhibit  1.l(ii) and the  Trademarks
         listed on Exhibit 9.1 list all Patent Rights and  GEOMATRIX  Trademarks
         owned or  controlled  by GJT in the  Territory  or to which GJT has the
         right to grant the license rights,  sublicense  rights and other rights
         granted  hereunder,  and  which  may  be  useful  to  the  manufacture,
         development,  use or sale of  Product,  and such  Exhibits  specify the
         jurisdiction(s) by or in which such right has been issued or registered
         or in which an application for such issuance or  registration  has been
         filed, including respective registration or application numbers. To the
         best knowledge of the current officers and directors of GJT, the issued
         Patent Rights are valid and in full force and effect.

         15.4.2 Except as disclosed on Exhibit 1. l(ii),  to the best  knowledge
         of GJT's current  officers and directors,  (i) the use of such Know-how
         and any Patent Rights in the  manufacture,  use and sale of the Product
         does  not  infringe  upon  any  patent  rights,   copyrights  or  other
         proprietary rights of any Affiliate of GJT or any non-Affiliated  Third
         Party in the Territory;  (ii) GJT has no knowledge of any  infringement
         by any Third Party of any of the Patent  Rights in the  Territory;  and
         (iii) GJT and each its  Affiliates  are not subject to any  outstanding
         order,  judgment or decree of any court or administrative  agency,  and
         each has not entered into any stipulation or agreement, restricting its
         use  of  the  Patent  Rights  in  connection   with  the   manufacture,
         development, use or sale of Products in the Territory.

         15.4.3  There is no  action,  suit or  proceeding  pending  or,  to the
         knowledge  of  its  current  officers  and  directors,  that  has  been
         threatened in writing by any Third Party against GJT or its  Affiliates
         which, if adversely  determined,  would have a material  adverse effect
         upon the ability of APOTHECON  to use the Patent  Rights or Know-how in
         the manufacture, use and/or sale of any Product in the Territory.

         15.4.4 The Know-how and Patent Rights  licensed  and/or  sublicensed by
         GJT to APOTHECON  pursuant to this  Agreement were not been obtained by
         GJT or its  Affiliates  in  violation of any  contractual  or fiduciary
         obligation   to   which   GJT   or   any   of   its   Affiliates,   any
         predecessor-in-interest or any of its or their employees or contractors
         is or was a party or by  misappropriation  of the trade  secrets of any
         Third  Party,  and the  manufacture,  use or sale  by or  through  GJT,
         APOTHECON  and their  respective  Affiliates  of any Product using such
         Know-how  and  Patent  Rights  does not and will not  violate  any such
         contractual  or  fiduciary  obligation  owed to any such Third Party or
         render APOTHECON liable for the payment of any royalty  attributable to
         or arising out of any such  contractual or fiduciary  obligation or any
         such misappropriation.

         15.4.5 During the term of this  Agreement,  GJT or its Affiliates  will
         not  disclose  to  APOTHECON  and  its   Affiliates   any   proprietary
         information,  such as  trade  secrets,  which  is  confidential  to any
         non-Affiliated Third Party or institution and which GJT is not entitled
         to disclose in accordance with the terms of this Agreement.

         15.4.6 Except as otherwise provided in this Agreement, the rights under
         the Know-how or any Patent Rights that have been or will be licensed to
         APOTHECON  under this Agreement are not and will not be licensed to any
         other party to make, have made, use or sell Products in the Territory.


                                      -33-


<PAGE>

         15.4.7 There are no licenses under any patent rights,  and, to the best
         knowledge of the current officers and directors of GJT, under any other
         intellectual  property or other proprietary  rights owned or controlled
         by any GJT Affiliate or Third Party which are used by GJT in connection
         with  the  manufacture,  development,  use or  sale of  Product  in the
         Territory, other than those listed on Exhibits 1.1 (ii) and 9. 1.


                                   ARTICLE 16
                                  MISCELLANEOUS

         16.1 Notices. Any consent, notice or report required or permitted to be
given or made under the  Agreement  by one party to the other  party shall be in
English and in writing,  delivered  personally  or by  registered  mail,  return
receipt  requested,  addressed to the other party at its address indicated below
or to such other address as the addressee  shall have last  furnished in writing
to the  addressor  and except as otherwise  provided in the  Agreement  shall be
effective upon receipt by the addressee.

               If to GJT:             Genta Jago Technologies BV
                                      Swiss Branch
                                      Grundstrasse 12
                                      6343 Rotkreuz, Switzerland
                                      Attention: Executive Management Committee

               with copies to:        Genta Incorporated
                                      3550 General Atomics Court
                                      San Diego, CA 92121, U.S.A.
                                      Attention: Thomas H. Adams, Ph.D.

                        and:          Pillsbury Madison & Sutro
                                      235 Montgomery Street, 15th Floor
                                      San Francisco, CA 94104, U.S.A.
                                      Attention: Thomas E. Sparks, Jr., Esq.

                        and:          Jagotec AG
                                      c/o Jago Pharma AG
                                      Eptingerstrasse 51
                                      CH-4132 Muttenz, Switzerland
                                      Attention: Dr. Jacques Gonella

                        and:          Rinderknecht Glaus & Stadelhofer
                                      beethovenstrasse 7
                                      Postfach 4451
                                      CH-8002 Zurich, Switzerland
                                      Attention: Dr. Thomas M. Rinderknecht

               If to APOTHECON:       Apothecon, Inc.
                                      777 Scudders Mill Road
                                      Plainsboro, New Jersey 08536 USA
                                      Attention: President

               with a copy to:        Apothecon, Inc.
                                      777 Scudders Mill Road
                                      Plainsboro, New Jersey 08536 USA
                                      Attention: Corporate Legal Counsel


                                      -34-


<PAGE>

         16.2  Applicable  Law. The Agreement shall be governed by and construed
in accordance with the laws of Switzerland,  without  reference to the conflicts
of law  principles  thereof,  and shall not be  governed  by the United  Nations
Convention on Contracts for the International Sale of Goods.

         16.3 Arbitration. Any dispute, claim or controversy between the parties
relating to,  arising out of or in any way  connected  with the Agreement or any
term or condition  hereof, or the performance by either party of its obligations
hereunder,  whether  before  or after  termination  of the  Agreement,  shall be
finally  resolved  by  binding  arbitration.  Whenever a party  shall  decide to
institute arbitration  proceedings,  it shall give written notice to that effect
to the other party. Any arbitration hereunder shall be conducted under the Rules
of Conciliation and Arbitration of the  International  Chamber of Commerce.  Any
such arbitration  shall be conducted in the English language by a panel of three
(3) arbitrators  appointed in accordance  with such rules,  and shall be held in
Paris,  France.  The  arbitrators  shall have the  authority  to grant  specific
performance, and to allocate between the parties the cost of arbitration in such
equitable  manner as they determine.  Judgment upon the award so rendered may be
entered in any court  having  jurisdiction  or  application  may be made to such
court  for  judicial  acceptance  of any  award  so  rendered  and an  order  of
enforcement,  as the case may be.  Whether a claim,  dispute or other  matter in
question would be barred by the applicable  statute of  limitations,  which also
shall apply to any arbitration  under this Section 16.3,  shall be determined by
binding arbitration pursuant to this Section 16.3.

         16.4 Excise Taxes. If the recipient of any payment hereunder,  received
in  consideration  for  providing  any goods or services or granting  any rights
hereunder,  shall have the obligation  under any applicable law,  regulations or
governance to add, include or pay to the applicable governmental authority,  any
value added taxes, turnover taxes, excise taxes, sales taxes or similar taxes or
levies  (collectively,  "Excise  Taxes") on the amount of such payment  received
hereunder,  then the  recipient  shall be  entitled to receive the amount of any
Excise Taxes on the amount of such payment  hereunder as evidenced by an invoice
from the  recipient  to the payor of such payment  hereunder.  The payor of such
payment hereunder shall pay the amount of any such Excise Taxes thereon prior to
the date on which the  recipient  is  required to pay or account for such Excise
Taxes  to the  applicable  governmental  authority.  The  recipient  of any such
payment  hereunder shall use reasonable  efforts to minimize any Excise Taxes on
any such  payments  hereunder,  and  promptly  shall take all such  actions  and
execute all such instruments as the payor of such payment  hereunder  reasonably
requests to enable the payor to apply for and, if  possible,  to receive  prompt
refund or credit of the amount of such Excise Taxes on such payments hereunder.

         16.5  Headings.  The  titles and  headings  used in the  Agreement  are
intended  for  convenience  only and shall not in any way affect the  meaning or
construction of any provision of the Agreement.  A reference to a an Article (or
section)  shall be deemed to include  reference to all sections and  subsections
thereunder.

         16.6 Independent  Contractors.  It is expressly agreed that the parties
shall be  independent  contractors  and that the  relationship  between  the two
parties shall not  constitute a  partnership,  joint venture or agency.  Neither
party  shall  have the  authority  to make any  statements,  representations  or
commitments  of any kind,  or to take any action  which  shall be binding on the
other party, without the prior consent of the other party to do so.

         16.7 Waiver.  The waiver by either party hereto of any right  hereunder
or the  failure to perform or of a breach by the other party shall not be deemed
a waiver of any other right  hereunder or of any other breach or failure by said
other party whether of a similar nature or otherwise.

         16.8  Amendments.  The  provisions  of the Agreement may not be waived,
altered,  amended or repealed in whole or in part except by the written  consent
of both of the parties to the Agreement.

         16.9 Entire Agreement. The terms, covenants,  conditions and provisions
contained  in the  Agreement,  including  the  exhibits  hereto  and  any  other
agreement  (including the * License  Agreement) to the extent herein referenced,
together with all of the documents referred to herein as having been provided by
one party to another  and the letter  agreement  of even date  herewith  between
Jagotec,  GJT  and  APOTHECON  (pertaining  in part to the  Territory  in  which
APOTHECON may exercise its manufacturing rights hereunder), constitute the total
and complete agreement of the parties and supersede all prior understandings and
agreements hereto made, and there are no other  representations,  understandings
or agreements relating to the subject matter hereof.


- - - ------------------
*    Confidential treatment requested. The redacted material has been separately
     filed with the Commission.


                                      -35-


<PAGE>

         16.10  Counterparts.  The  Agreement  may be  executed  in two or  more
counterparts,  each of  which  shall be  deemed  an  original,  but all of which
together shall constitute one and the same instrument.

         16.11  Publicity.  Neither party to this Agreement  shall employ or use
the name of the other party or any Affiliate of such party in any publication or
promotional materials or in any form for public distribution, except as required
by law,  without  prior  written  consent of said other  party in each  instance
(which consent shall not be unreasonably withheld).


                                      -36-


<PAGE>

         IN WITNESS WHEREOF, the parties hereto have duly executed the Agreement
as of the date first set forth above.

                                                APOTHECON, INC.

                                                By:      /s/
                                                   -----------------------

                                                Title:   VP/GM


                                                GENTA JAGO TECHNOLOGIES BV


                                                By:  /s/ Thomas H. Adams
                                                     -------------------
                                                       Thomas H. Adams, Ph.D.
                                                       Managing Director


                                                By:  /s/ Jacques Gonella
                                                    --------------------
                                                       Dr. Jacques Gonella
                                                       Managing Director


JAGOTEC AG hereby  agrees to be bound by the  provisions  of sections  2.2, 6.3,
8.3, 8.4, 8.5,  11.2.4.2,  11.4.3,  11.4.5, and 11.5 and article 16 of the above
Agreement and sections 11.2.4.2 and 11.5 of the * License Agreement, agrees that
all notices to be given to it shall be given to such  address as is set forth in
section  16.1  hereof  unless  and until it  otherwise  instructs  APOTHECON  in
writing:

JAGOTEC AG

By:  /s/ Jacques Gonella
     -------------------
     Dr. Jacques Gonella
     President

JAGO PHARMA AG hereby agrees to be bound by the provisions of sections 2.2, 6.3,
11.2.4.2,  11.4.3,  11.4.5,  and 11.5 and article 16 of the above  Agreement and
sections 11.2.4.2 and 11.5 of the * License  Agreement,  agrees that all notices
to be given to it shall be given to such address as is set forth in section 16.1
hereof unless and until it otherwise instructs APOTHECON in writing:

JAGO PHARMA AG

By:  /s/ Jacques Gonella
     -------------------
     Dr. Jacques Gonella
     President


- - - ------------------
*    Confidential treatment requested. The redacted material has been separately
     filed with the Commission.


                                      -37-


<PAGE>

                                    EXHIBITS


Exhibit 1.1(i)           Initial Project Addendum for the Development Program

Exhibit 1.1(ii)          List of Patent Rights

Exhibit 3.6(i)-(iv)      Waiver and Consent Agreements

Exhibit 4.2              Initial Product Specifications

Exhibit 9.1              List of GEOMATRIX Trademarks


                                      -38-


<PAGE>


                                 EXHIBIT 1.1(i)

                        INITIAL PROJECT ADDENDUM FOR THE
                              DEVELOPMENT PROGRAM

- - - --------------------------------------------------------------------------------



                                      *


- - - ------------------
*    Confidential treatment requested. The redacted material has been separately
     filed with the Commission.


<PAGE>


                                 EXHIBIT 1.1(ii)

                                  PATENT RIGHTS

- - - --------------------------------------------------------------------------------


PACO. 1

Subject:       System for the controlled-rate release of active substances

Inventors:     Colombo, La Manna, Conte

Assignee:      JAGOTEC AG

Priority:      Italy, No. 23321 A/85, Dec 20th 1985
               Approved: January 7th 1988, No. 1188212
               Valid Until: December 19th 2005

Countries:     USA
               Approved: June 13th 1989, No. 4.839.177
               Valid Until: June 12th 2006


               Europe
               Approved: November 22nd 1990, No. 0226884
               Valid Until: December lst 2006


               Australia
               Approved: July 10th 1990, No. 594992
               Valid Until: December 18th 2006


               Canada
               Approved: April 7th 1992, No. 1.298.479
               Valid Until: April 6th 2009


               New Zealand
               Approved: December llth 1990 No. 218.596
               Valid Until: December 10th 2002


               Japan
               Pending
               *


PACO. 6


Subject:       Tablets with controlled-rate release of active substances

Inventors:     Conte, La Manna, Colombo

Assignee:      JAGOTEC  AG

Priority:      Italy, No. 2269489, December 14th 1989
               Approved, No. 1237904, June 18th 1993


- - - ------------------
*    Confidential treatment requested. The redacted material has been separately
     filed with the Commission.


                                      -1-


<PAGE>

PACO. 6 (cont.)


Countries:     USA
               Approved: June 6th 1995, No. 5,422,123
               Valid Until: June 5th 2012


               Europe
               Pending
               *

               Canada
               Pending
               *

               Japan
               Pending
               *

PACO. 7


Subject:       Process  for  preparing  pharmaceutical  compositions  having  an
               increased active substance dissolution rate, and the compositions
               obtained

Inventors:     Conte, La Manna, Giunchedi

Assignee:      JAGOTEC AG

Priority:      Italy, No. 21091, July 27th 1990             
               Approved: November 16th 1994, No. 1.246.188  
               Valid Until: July 26th 2010                  
                                                            
               
Countries:     USA
               lst Application No. 07/733457, Filed July 22nd 1991
               Pending:  Continuation No. 08/524.739, Filed October 11th 1994
               Continuation No. 08/321,123, Filed October 11th 1994
               Approved: December 19th 1995, No. 5.476.654
               Valid Until: October 10th 2014

               Europe
               Pending
               *

               Canada
               Pending
               *

               Japan
               Pending
               *

- - - ------------------
*    Confidential treatment requested. The redacted material has been separately
     filed with the Commission.


                                      -2-


<PAGE>

PACO. 8

Subject:       Pharmaceutical  tablets  releasing the active  substance  after a
               definite period of time

Inventors:     Conte, La Manna, Maggi

Assignee:      JAGOTEC AG

Priority:      Italy, MI 92 A 001174, Filed May 15th 1992

Countries:     USA
               Approved: November 7th 1995, No. 5,464,633
               Valid Until: May 23rd 2014

               Canada
               Pending
               *

PACO. 9


Subject:       Pharmaceutical  tablet capable of liberating one or more drugs at
               different release rates

Inventors:     Conte, La Manna, Maggi

Assignee:      JAGOTEC AG

Priority:      Italy, MI 92 A 002192, Filed September 24th 1992

Countries:     PCT Application, No. PCT/EP93/02556,
               Filed September 21st 1993
               Designated Territories:    Australia
                                          Canada
                                          Japan
                                          USA
                                          New Zealand
                                          European Patent Territory


- - - ------------------
*    Confidential treatment requested. The redacted material has been separately
     filed with the Commission.


                                      -3-



<PAGE>

                                 EXHIBIT 3.6(I)

                           GENTA JAGO DELAWARE, L.L.C.
                             SAN DIEGO, CA 92121 USA


                                                               February 28, 1996


Apothecon, Inc.
777 Scudders Mill Road
Plainsboro, New Jersey
USA
     ATTN: President

Genta Jago Technologies B.V., Swiss Branch
Grundstrasse 12
6343 Rotkreuz
SWITZERLAND
     ATTN: Executive Management Committee

Jago Pharma AG
Eptingerstrasse 51
CH-4132 Muttenz
SWITZERLAND
     ATTN: President

Genta Incorporated
3550 General Atomics Court
San Diego, CA 92121
USA
     ATTN: President

         Re:   WAIVER AND CONSENT

Gentlemen:
       Reference is hereby made to:

       i)     An Agreement dated the date hereof by and between Apothecon,  Inc.
              a Delaware corporation,  and Genta Jago Technologies BV ("GJT"), a
              Dutch  company,  regarding  the  development  of * , using certain
              proprietary  sustained  release  technology  licensed  to  GJT  by
              Jagotec AG (said agreement, as it may be supplemented,  changed or
              extended  from time to time  hereafter,  is  referred to as the "*
              Development  Agreement").  Each of you  acknowledges  receipt of a
              copy of said agreement; and

       ii)    An Agreement  dated the date hereof by and between  Apothecon  and
              Genta Jago Technologies BV ("GJT"), a Dutch company, regarding the
              grant of certain  license rights to Apothecon to make,  have made,
              use and sell * under certain  Patent Rights and Know- How licensed
              to  GJT  pertaining  to  certain  proprietary   sustained  release
              technology  licensed to GJT by Jagotec AG (said  agreement,  as it
              may be  supplemented,  changed  or  extended  from  time  to  time
              hereafter,  is referred to as 


- - - ------------------
*    Confidential treatment requested. The redacted material has been separately
     filed with the Commission.


<PAGE>

              the "* License Agreement").  Each of you acknowledges receipt of a
              copy  of  said  agreement.  The  *  License  Agreement  and  the *
              Development   Agreement   are   referred   to  herein  as  the  "*
              Agreements."; and

       iii)   The Restated GEOMATRIX Research and Development Agreement dated as
              of May 12,  1995 by and  among  GJT,  Jago  Pharma  AG,  as  Swiss
              corporation, Genta Incorporated ("Genta"), a Delaware corporation,
              and Genta Jago  Delaware,  L.L.C.  ("Genta  Jago LLC),  a Delaware
              limited liability company (the "GEOMATRIX Research and Development
              Agreement".

         All capitalized  terms not expressly defined in this Waiver and Consent
agreement ("the "Genta Jago LLC Waiver and Consent  Agreement") have the meaning
ascribed to such term in the * License Agreement.

         Jagotec  AG and Genta  are each 50%  owners of the  equity  and  income
interests of GJT.  Jagotec and Jago Pharma AG are Affiliates of one another,  of
GJT,  and of  Jago  Holding  AG,  a Swiss  corporation.  Genta  and GPM  Generic
Pharmaceuticals  Manufacturing,  Inc.  (the  latter  entity  being an  Affiliate
Jagotec  AG) are each a 50% owner of the equity and  income  interests  of Genta
Jago LLC.  Genta Jago LLC  acknowledges,  and each of the parties  signing below
hereby  acknowledges,  that  it  expects  to  derive,  directly  or  indirectly,
substantial  economic  benefit  as a  result  of  the  execution,  delivery  and
performance of the * License Agreement,  the * Development Agreement, and of the
GEOMATRIX  Agreements.  Therefore,  in order to  induce  Apothecon  to  execute,
deliver and perform the * Agreements, to make the payments required of Apothecon
thereunder, and to accept GJT's promises to discharge its obligations thereunder
and otherwise,  and for other good and valuable  consideration,  the receipt and
sufficiency of which are hereby  acknowledged by each party signing below, Genta
Jago Delaware L.L.C. hereby represents,  warrants,  agrees, and covenants to and
with Apothecon, and each other party signing below hereby represents,  warrants,
agrees and concurs, as follows:

      1. Notwithstanding any provision in the GEOMATRIX Research and Development
Agreement to the contrary:

       a. All  applications  filed by Genta Jago LLC pursuant to its obligations
       under the GEOMATRIX  Research and Development  Agreement as are necessary
       or useful for the  Registration of the Product shall be filed in the name
       of, and be owned by, Apothecon, and not GJT.

       b. All data and results pertaining to the Product generated by Genta Jago
       LLC under the Research and Development Agreement shall be owned solely by
       Apothecon.  Concurrently  with the  execution  and delivery of this Genta
       Jago LLC Waiver and Consent  Agreement,  Genta Jago LLC will turn over to
       Apothecon  all  data  and  results  heretofore  developed  by or  for  it
       pertaining  to the  Product.  Genta  Jago LLC will  thereafter  report in
       writing such data and results  developed by or for it not less frequently
       than  quarterly to Apothecon  and GJT (and monthly if requested by either
       party),  and will  immediately  transmit  all such data to  Apothecon  by
       magnetic media or such other method as Apothecon shall request.

     c. In the event  that the  GEOMATRIX  Research  and  Development  Agreement
     should terminate,  for whatever reason and however effected,  and/or in the
     event that GJT commences proceedings to dissolve,  liquidate or wind up its
     affairs, then, in addition to any remedies available to APOTHECON under the
     * Development and Marketing  Agreement at law or in equity,  Genta Jago LLC
     shall, at Apothecon's  request,  enter into an agreement with Apothecon for
     the  development  and  registration  of the Product on terms and conditions
     that, to the maximum practicable extent,  require Genta Jago LLC to perform
     the same  obligations and observe the same terms and conditions as apply to
     it under the GEOMATRIX  Research and Development  Agreement (without regard
     to Genta and Jago Pharma's duties or responsibilities thereunder), and with
     Apothecon  having the rights that GJT  otherwise  had under such  GEOMATRIX
     Research  and  Development  Agreement  and with  APOTHECON  assuming  GJT's
     obligations under such GEOMATRIX Research and Development  Agreement to the
     extent  such  obligations  do not  conflict  with or are in addition to the
     obligations  that  Apothecon  has under  the *  Development  and  Marketing
     Agreement. In such event Apothecon shall be entitled to grant to Genta Jago
     LLC a * under the Patent Rights and Knowhow  solely to conduct the Research
     and Development (as such term is defined in the GEOMATRIX


- - - ------------------
*    Confidential treatment requested. The redacted material has been separately
     filed with the Commission.


                                       -2-


<PAGE>

       Research and  Development  Agreement) that Genta Jago LLC is obligated to
       conduct under the GEOMATRIX Research and Development  Agreement,  and any
       payments for services performed thereafter by Genta Jago LLC with respect
       to the  development of the Product shall be made directly by APOTHECON to
       Genta Jago LLC.


       2.  Genta  Jago LLC shall  submit  to  Apothecon,  concurrently  with its
submission  to GJT, a copy of (i) all  reports,  statements,  invoices,  Product
Workplans,  and budgets  submitted  by Genta Jago LLC to GJT or to the  Steering
Committee  relating to the Product,  (ii) a copy of all reports  relating to the
Product  submitted  to GJT  under  section  5.4 of the  GEOMATRIX  Research  and
Development Agreement, and (iii) a copy of all submissions to, and all responses
and approvals  obtained  from, a regulatory  authority  relating to the Product.
Genta Jago LLC shall promptly  inform  Apothecon of any default by GJT under the
GEOMATRIX  Research  and  Development  Agreement.  Following  any such  default,
Apothecon  shall have the right,  but shall not be under any  obligation  of any
nature whatsoever,  expressly or impliedly, to (i) cure any such default, and/or
(ii) pay Genta Jago LLC directly  thereafter  for all  services  performed by it
under the  GEOMATRIX  Research  and  Development  Agreement  that pertain to the
Product  and deduct  and  offset  same from any  monies  payable  thereafter  by
Apothecon to GJT.

       3.  Apothecon  shall have the right to exercise  the same audit rights as
GJT may exercise  under  section 4.6 of the GEOMATRIX  Research and  Development
Agreement, to the extent relating to the Product only.

     4. Genta Jago LLC shall defend, indemnify and hold Apothecon, Inc. harmless
from  and  against  any  and  all  losses,  liabilities,  damages  and  expenses
(including  reasonable  attorneys'  fees and costs) that Apothecon  suffers as a
result of any  claim,  demand,  action or other  proceeding  by any Third  Party
arising  from  or  relating  to  the  *,  its  directors,  officers,  employees,
consultants or agents in performing its obligations under the GEOMATRIX Research
and  Development  Agreement,  except to the  extent  such  losses,  liabilities,
damages and expenses arise from the *, or their respective directors,  officers,
general partners, employees, consultants, or agents (other than ). Apothecon, as
an  Indemnitee,  agrees to adhere to and be bound by the terms of section 9.5 of
the  GEOMATRIX  Research and  Development  Agreement,  as though such terms were
fully set forth herein (and with "Article 9" replaced by "Article 4 hereof").

         5. To the extent any  provisions  of the * Agreements  or of any of the
GEOMATRIX  Agreements  conflict in any way with the terms of this Genta Jago LLC
Waiver and Consent Agreement, the terms of this Agreement shall control.

         6. This Genta Jago LLC Waiver and Consent  Agreement shall be effective
immediately  and shall  continue  in full  force and  effect  until such time as
Apothecon  may elect to terminate it by a writing  delivered to GJT and to Genta
Jago LLC by a duly authorized officer of Apothecon,  or until the termination of
the * Marketing and Development Agreement, whichever occurs first.

       7. Any  consent,  notice or report  required or  permitted to be given or
made  hereunder  by one  party to the other  party  shall be in  English  and in
writing,  delivered  personally or by registered mail, return receipt requested,
addressed  to the other  party at its address  indicated  below or to such other
address as the addressee  shall have last  furnished in writing to the addressor
(with a copy  addressed  as well to the  attention of its "Legal  Counsel")  and
shall be effective upon receipt by the addressee.

      8. Each party  represents  and  warrants to the other  parties  hereto the
following:

       a)     Existence and Power.  It (i) is duly organized,  validly  existing
              and in good standing under the laws of the  jurisdiction  in which
              it is organized;  (ii) has the  requisite  power and authority and
              the legal  right to own and operate its  property  and assets,  to
              lease the  property  and assets it operates  under  lease,  and to
              carry on its business as it is now being  conducted;  and (iii) is
              in compliance  with all  requirements of applicable law, except to
              the  extent  that any  noncompliance  would  not  have a  material
              adverse  effect on the  properties,  business,  financial or other
              condition  of it and would not  materially  adversely  affect  its
              ability to perform its obligations under this Agreement.


- - - ------------------
*    Confidential treatment requested. The redacted material has been separately
     filed with the Commission.


                                       -3-


<PAGE>

       b)     Authorization  and  Enforcement  of  Obligations.  It (i)  has the
              requisite  power and  authority  and the legal right to enter into
              the Agreement and to perform its obligations  hereunder;  and (ii)
              has  taken  all  necessary  action  on its part to  authorize  the
              execution and delivery of this  Agreement and the  performance  of
              its obligations  hereunder.  This Agreement has been duly executed
              and  delivered  on its behalf,  and  constitutes  a legal,  valid,
              binding obligation,  enforceable against it in accordance with its
              terms.

       c)     No Consents. All necessary consents,  approvals and authorizations
              of all  governmental  authorities and other Persons required to be
              obtained by it in connection with the execution and performance of
              this Agreement have been obtained.

       d)     No Conflict.  The execution and delivery of this  Agreement on its
              behalf and the performance of its obligations hereunder (a) do not
              conflict with or violate any  requirement  of  applicable  laws or
              regulations  applicable  to it,  and  (b) do not  conflict  or are
              inconsistent  with, or constitute a default under, any contractual
              or fiduciary obligation or covenant of it.

       9. This Genta Jago LLC Waiver and  Consent  Agreement  shall inure to the
benefit  of,  and  be  binding  upon  each  party  hereto,  and  its  respective
successors,  permitted  assigns  and legal  representatives.  Any party may also
assign its rights and  obligations  under this Agreement  without the consent of
the other parties in connection with a merger, consolidation, or the sale of all
or substantially all of its assets to an Affiliate agreeing to be bound by same,
or may otherwise assign its rights or obligations under this Agreement only with
the prior written  consent of the other parties  hereto.  This  Agreement  shall
survive any merger, consolidation or similar reorganization of either party with
or into  another  party and no consent  for a merger,  consolidation  or similar
reorganization  shall be required  hereunder.  Any  assignment not in accordance
with this Agreement shall be void.

       10. This Genta Jago LLC Waiver and Consent  Agreement,  together with all
other documents referred to herein,  constitute the total and complete agreement
of the parties and  supersede all prior  understandings  and  agreements  hereto
made,  and  there are no other  representations,  understandings  or  agreements
relating to the subject  matter  hereof that are not set forth herein on which a
party has  relied.  All terms  and  conditions  of the  GEOMATRIX  Research  and
Development  Agreement,  to the extent not changed or supplemented by this Genta
Jago LLC Waiver and Consent Agreement, remain in full force and effect.

       11. This Genta Jago LLC Waiver and Consent Agreement shall be governed by
and construed in accordance with the laws of Switzerland,  without  reference to
the conflicts of law principles thereof.

       12. No provision of this Genta Jago LLC Waiver and Consent Agreement,  or
the benefit thereof may be waived,  altered,  amended or repealed in whole or in
part except by the written  consent of all of the  parties  hereto,  and no such
waiver or changed shall extend beyond the circumstances for which it is granted.
Except as  specifically  provided for herein,  the waiver from time to time by a
party of any of its rights or its  failure  to  exercise  any  remedy  shall not
operate or be construed  as a continuing  waiver of same or of any other of such
party's rights or remedies hereunder.

       13. If any term,  covenant or condition of this Genta Jago LLC Waiver and
Consent Agreement or the application thereof to any party or circumstance shall,
to any extent, be held to be invalid or unenforceable, then (1) the remainder of
this  Agreement,  or the  application  of such term,  covenant or  condition  to
parties or  circumstances  other  than  those as to which it is held  invalid or
unenforceable,  shall  not be  affected  thereby  and  each  term,  covenant  or
condition of this Agreement shall be valid and be enforced to the fullest extent
permitted by law; and (2) the parties  hereto  covenant and agree to renegotiate
any such term, covenant or application thereof in good faith in order to provide
a reasonably  acceptable  alternative to the term, covenant or condition of this
Agreement or the application thereof that is invalid or unenforceable,  it being
the intent of the parties that the basic  purposes of this  Agreement  are to be
effectuated.

       14. Any dispute,  claim or controversy  between the parties  relating to,
arising  out of or in any way  connected  with this  Genta  Jago LLC  Waiver and
Consent Agreement or any term or condition hereof, or the performance by 


                                       -4-


<PAGE>

a party of its  obligations  hereunder,  whether before or after  termination of
this Agreement,  shall be finally  resolved by binding  arbitration.  Whenever a
party shall decide to institute arbitration  proceedings,  it shall give written
notice to that effect to the other parties.  Any arbitration  hereunder shall be
conducted under the Rules of Conciliation  and Arbitration of the  International
Chamber of  Commerce.  Any such  arbitration  shall be  conducted in the English
language by a panel of three (3)  arbitrators  appointed in accordance with such
rules,  and shall be held in  Paris,  France.  The  arbitrators  shall  have the
authority to grant specific performance, and to allocate between the parties the
cost of arbitration in such equitable  manner as they  determine.  Judgment upon
the award so  rendered  may be  entered  in any  court  having  jurisdiction  or
application  may be made to such court for judicial  acceptance  of any award so
rendered  and an order of  enforcement,  as the  case may be.  Whether  a claim,
dispute or other matter in question would be barred by the applicable statute of
limitations,  which also shall apply to any  arbitration  under this Section 14,
shall be determined by binding arbitration pursuant to this Section 14.

       15. It is expressly  agreed that the parties are independent  contractors
with each other under this Agreement and that the  relationship  between the two
parties shall not  constitute a partnership,  joint venture or agency.  No party
shall have the authority to make any statements,  representations or commitments
of any kind,  or to take any action  which shall be binding on any other  party,
without the prior consent of the other party to do so.

       16. This Genta Jago LLC Waiver and Consent  Agreement  may be executed in
two or more counterparts,  each of which shall be deemed an original, but all of
which together shall constitute one and the same instrument.
It shall not be strictly construed against any party hereto.


                                       -5-


<PAGE>

       IN WITNESS WHEREOF,  the parties below have duly executed this Genta Jago
LLC Waiver and  Consent  Agreement  through  their  respective  duly  authorized
representatives as of the date first set forth above.

                                                 GENTA JAGO DELAWARE, L.L.C.


                                                 By:   /s/ Thomas H. Adams
                                                      --------------------
                                                          Thomas H. Adams, Ph.D.
                                                          Managing Director


                                                 By:   /s/ Jacques Gonella
                                                      --------------------
                                                          Dr. Jacques Gonella
                                                          Managing Director

We accept and agree to the  foregoing,  and  acknowledge  same by executing this
Genta  Jago LLC  Waiver  and  Consent  Agreement  through  our  duly  authorized
representatives:

GENTA JAGO TECHNOLOGIES BV                  JAGO PHARMA AG


By     /s/ Thomas H. Adams                  By:   /s/ Jacques Gonella
       -------------------                        -------------------
       Thomas H. Adams, Ph.D.                     Dr. Jacques Gonella
       Managing Director                          President


By     /s/ Jacques Gonella
       -------------------
       Dr. Jacques Gonella
       Managing Director


GENTA INCORPORATED                          APOTHECON, INC.


By     /s/ Thomas H. Adams                  By:   /s/ Lee Burg
       -------------------                        ------------
       Thomas H. Adams, Ph.D.                     Lee Burg
       Chairman and Chief Executive Officer       President


                                       -6-


<PAGE>

                                 EXHIBIT 3.6(II)

                               GENTA INCORPORATED
                           3550 GENERAL ATOMICS COURT
                             SAN DIEGO, CA 92121 USA


                                                               February 28, 1996


Apothecon, Inc.
777 Scudders Mill Road
Plainsboro, New Jersey
USA
       ATTN: President

Jago Pharma AG
Eptingerstrasse 51
CH-4132 Muttenz
SWITZERLAND
       ATTN: President

Genta Jago Technologies B.V.
Grundstrasse 12
6343 Rotkreuz
SWITZERLAND
       ATTN: Executive Committee

Genta Jago Delaware, L.L.C.
3550 General Atomics Court
San Diego, CA 92121
USA
       ATTN: President

              Re:  WAIVER AND CONSENT

Gentlemen:

       Reference is hereby made to:

       i)     An Agreement dated the date hereof by and between Apothecon, Inc.,
              a Delaware corporation,  and Genta Jago Technologies BV ("GJT"), a
              Dutch  company,  regarding  the  development  of *, using  certain
              proprietary  sustained  release  technology  licensed  to  GJT  by
              Jagotec AG (said agreement, as it may be supplemented,  changed or
              extended  from time to time  hereafter,  is  referred to as the "*
              Development  Agreement").  Each of you  acknowledges  receipt of a
              copy of said agreement; and

       ii)    An Agreement  dated the date hereof by and between  Apothecon  and
              Genta Jago Technologies BV ("GJT'), a Dutch company, regarding the
              grant of certain  license rights to Apothecon to make,  have made,
              use and sell * under certain  Patent Rights and Know- How licensed
              to  GJT  pertaining  to  certain  proprietary   sustained  release
              technology  licensed to GJT by Jagotec AG (said  agreement,  as it
              may be


- - - ------------------
*    Confidential treatment requested. The redacted material has been separately
     filed with the Commission.


                                       -1-


<PAGE>

              supplemented,  changed or extended from time to time hereafter, is
              referred   to  as  the  "*  License   Agreement").   Each  of  you
              acknowledges  receipt of a copy of said  agreement.  The * License
              Agreement and the *  Development  Agreement are referred to herein
              as the "* Agreements."; and

       iii)   The Restated GEOMATRIX Research and Development Agreement dated as
              of May 12,  1995 by and  among  GJT,  Jago  Pharma  AG,  as  Swiss
              corporation, Genta Incorporated ("Genta"), a Delaware corporation,
              and Genta Jago  Delaware,  L.L.C.  ("Genta Jago LLC"),  a Delaware
              limited liability company (the "GEOMATRIX Research and Development
              Agreement".

       iv)    The GEOMATRIX License Agreement;

       v)     The GEOMATRIX Manufacturing License Agreement; and

       vi)    The GEOMATRIX Supply Agreement.

       All  capitalized  terms not expressly  defined in this Waiver and Consent
agreement ("the "Genta Waiver and Consent  Agreement") have the meaning ascribed
to such term in the * License Agreement.

         Jagotec  AG and Genta  are each 50%  owners of the  equity  and  income
interests of GJT.  Jagotec and Jago Pharma AG are Affiliates of one another,  of
GJT,  and of  Jago  Holding  AG,  a Swiss  corporation.  Genta  and GPM  Generic
Pharmaceuticals  Manufacturing,  Inc.  (the latter  entity being an affiliate of
Jagotec  AG) are each a 50% owner of the equity and  income  interests  of Genta
Jago LLC.  Genta  acknowledges,  and each of the parties  signing  below  hereby
acknowledges,  that it expects to derive,  directly or  indirectly,  substantial
economic benefit as a result of the execution, delivery and performance of the *
License Agreement, the * Development Agreement, and of the GEOMATRIX Agreements.
Therefore,  in order to induce  Apothecon to execute,  deliver and perform the *
Agreements, to make the payments required of Apothecon thereunder, and to accept
GJT's promises to discharge its  obligations  thereunder and otherwise,  and for
other good and valuable consideration,  the receipt and sufficiency of which are
hereby acknowledged, Genta Incorporated hereby represents, warrants, agrees, and
covenants  to and with  Apothecon,  and each other party  signing  below  hereby
represents, warrants, agrees and concurs, as follows:

     1.  Notwithstanding any provision in the GEOMATRIX Research and Development
Agreement to the contrary:


              a. All  applications  filed by Genta  pursuant to its  obligations
       under the GEOMATRIX  Research and Development  Agreement as are necessary
       or useful for the  Registration of the Product shall be filed in the name
       of, and be owned by, Apothecon, and not GJT.

              b. All data and results  pertaining  to the Product  generated  by
       Genta under the Research and Development  Agreement shall be owned solely
       by Apothecon.  Concurrently with the execution and delivery of this Genta
       Waiver and Consent Agreement,  Genta will turn over to Apothecon all data
       and results developed  heretofore by or for it pertaining to the Product.
       Genta will thereafter  report in writing such data and results  developed
       by or for it not less frequently than quarterly to Apothecon and GJT (and
       monthly if requested by either party), and will immediately  transmit all
       such  data to  Apothecon  by  magnetic  media  or such  other  method  as
       Apothecon shall request.

              c. In the  event  that  the  GEOMATRIX  Research  and  Development
       Agreement  should  terminate,  for whatever reason and however  effected,
       and/or in the event that GJT commences proceedings to dissolve, liquidate
       or wind up its affairs,  then,  in addition to any remedies  available to
       Apothecon  under the * Development  and Marketing  Agreement at law or in
       equity, Genta shall, at Apothecon's request, enter into an agreement with
       Apothecon for the  development  and  registration of the Product on terms
       and conditions that, to the maximum practicable extent,  require Genta to
       perform the same obligations and observe the same terms and conditions as
       apply  to it under  the  GEOMATRIX  Research  and  Development  Agreement
       (without  regard  to  Jago  Phanna's  and  Genta  Jago  LLC's  duties  or
       responsibilities thereunder), and with Apothecon having the


- - - ------------------
*    Confidential treatment requested. The redacted material has been separately
     filed with the Commission.


                                       -2-


<PAGE>

          rights  that GJT  otherwise  had under  such  GEOMATRIX  Research  and
          Development  Agreement and with APOTHECON  assuming GJT's  obligations
          under such GEOMATRIX Research and Development  Agreement to the extent
          such  obligations  do not  conflict  with  or are in  addition  to the
          obligations  that Apothecon has under the * Development  and Marketing
          Agreement. In such event Apothecon shall be entitled to grant to Genta
          a * under the Patent Rights and Knowhow solely to conduct the Research
          and Development (as such term is defined in the GEOMATRIX Research and
          Development  Agreement)  that Genta is obligated to conduct  under the
          GEOMATRIX  Research and  Development  Agreement,  and any payments for
          services performed thereafter by Genta with respect to the development
          of the Product shall be made directly by APOTHECON to Genta.

       2. Genta shall submit to Apothecon,  concurrently  with its submission to
GJT, a copy of (i) all reports,  statements,  invoices,  Product Workplans,  and
budgets submitted by Genta to GJT or to the Steering  Committee  relating to the
Product,  (ii) a copy of all reports  relating to the Product  submitted  to GJT
under section 5.4 of the GEOMATRIX Research and Development Agreement, and (iii)
a copy of all submissions  to, and all responses and approvals  obtained from, a
regulatory  authority  relating  to the  Product.  Genta shall  promptly  inform
Apothecon of any default by GJT under the  GEOMATRIX  Research  and  Development
Agreement. Following any such default, Apothecon shall have the right, but shall
not be under any obligation of any nature whatsoever, expressly or impliedly, to
(i) cure any such default,  and/or (ii) pay Genta  directly  thereafter  for all
services performed by it under the GEOMATRIX Research and Development  Agreement
that  pertain to the Product and deduct and offset same from any monies  payable
thereafter by Apothecon to GJT.

       3.  Apothecon  shall have the right to exercise  the same audit rights as
GJT may exercise  under  section 4.6 of the GEOMATRIX  Research and  Development
Agreement, to the extent relating to the Product only.

     4. Genta shall defend, indemnify and hold Apothecon, Inc. harmless from and
against  any  and all  losses,  liabilities,  damages  and  expenses  (including
reasonable  attorneys' fees and costs) that Apothecon suffers as a result of any
claim,  demand,  action or other  proceeding  by any Third Party arising from or
relating to the *, its directors, officers, employees,  consultants or agents in
performing  its  obligations  under  the  GEOMATRIX   Research  and  Development
Agreement, except to the extent such losses,  liabilities,  damages and expenses
arise from the *, or their respective  directors,  officers,  general  partners,
employees,  consultants,  or agents (other than *). Apothecon, as an Indemnitee,
agrees to adhere to and be bound by the terms of  section  9.5 of the  GEOMATRIX
Research and  Development  Agreement,  as though such terms were fully set forth
herein (and with "Article 9" replaced by "Article 4 hereof").

        5. To the extent any  provisions  of the *  Agreements  or of any of the
GEOMATRIX Agreements conflict in any way with the terms of this Genta Waiver and
Consent Agreement, the terms of this agreement shall control.

        6. This  Waiver and Consent  shall be  effective  immediately  and shall
continue  in full force and effect  until  such time as  Apothecon  may elect to
terminate  it by a writing  delivered  to GJT and to Genta by a duly  authorized
officer  of  Apothecon,  or  until  the  termination  of  the  *  Marketing  and
Development Agreement, whichever occurs first.

       7. Any  consent,  notice or report  required or  permitted to be given or
made  hereunder  by one  party to the other  party  shall be in  English  and in
writing,  delivered  personally or by registered mail, return receipt requested,
addressed  to the other  party at its address  indicated  below or to such other
address as the addressee  shall have last  furnished in writing to the addressor
(with a copy  addressed  as well to the  attention of its "Legal  Counsel")  and
shall be effective upon receipt by the addressee.

      8. Each party  represents  and  warrants to the other  parties  hereto the
following:

              a)     Existence  and  Power.  It (i) is duly  organized,  validly
                     existing  and  in  good  standing  under  the  laws  of the
                     jurisdiction  in  which  it  is  organized;  (ii)  has  the
                     requisite  power and  authority  and the legal right to own


- - - ------------------
*    Confidential treatment requested. The redacted material has been separately
     filed with the Commission.


                                       -3-


<PAGE>

                     and operate its property and assets,  to lease the property
                     and assets it  operates  under  lease,  and to carry on its
                     business  as it is now  being  conducted;  and  (iii) is in
                     compliance with all  requirements of applicable law, except
                     to the  extent  that  any  noncompliance  would  not have a
                     material  adverse  effect  on  the  properties,   business,
                     financial or other condition of it and would not materially
                     adversely  affect its  ability to perform  its  obligations
                     under this Agreement.

              b)    Authorization and Enforcement of Obligations. It (i) has the
                    requisite  power and  authority and the legal right to enter
                    into the Agreement and to perform its obligations hereunder;
                    and (ii)  has  taken  all  necessary  action  on its part to
                    authorize the  execution and delivery of this  Agreement and
                    the performance of its obligations hereunder. This Agreement
                    has been duly  executed  and  delivered  on its behalf,  and
                    constitutes a legal, valid, binding obligation,  enforceable
                    against it in accordance with its terms.

              c)     No  Consents.   All  necessary   consents,   approvals  and
                     authorizations  of all  governmental  authorities and other
                     Persons  required to be obtained by it in  connection  with
                     the execution and  performance  of this Agreement have been
                     obtained.

              d)    No Conflict. The execution and delivery of this Agreement on
                    its behalf and the performance of its obligations  hereunder
                    (a) do not  conflict  with or  violate  any  requirement  of
                    applicable laws or regulations  applicable to it, and (b) do
                    not  conflict or are  inconsistent  with,  or  constitute  a
                    default under,  any  contractual or fiduciary  obligation or
                    covenant of it.

       9. This Genta Waiver and Consent Agreement shall inure to the benefit of,
and be binding upon each party hereto, and its respective successors,  permitted
assigns  and legal  representatives.  Any party may also  assign  its rights and
obligations  under this  Agreement  without the consent of the other  parties in
connection with a merger,  consolidation or the sale of all or substantially all
of its assets to an  Affiliate  agreeing to be bound by same,  or may  otherwise
assign  its  rights or  obligations  under  this  Agreement  only with the prior
written  consent of the other parties  hereto.  This Agreement shall survive any
merger,  consolidation  or similar  reorganization  of either party with or into
another   party  and  no  consent  for  a  merger,   consolidation   or  similar
reorganization  shall be required  hereunder.  Any  assignment not in accordance
with this Agreement shall be void.

       10. This Genta  Waiver and Consent  Agreement,  together  with all of the
documents referred to herein, constitute the total and complete agreement of the
parties and supersede all prior  understandings  and agreements hereto made, and
there are no other representations, understandings or agreements relating to the
subject matter hereof that are not set forth herein on which a party has relied.
All  other  terms and  conditions  of the  GEOMATRIX  Research  and  Development
Agreement,  to the extent not changed or  supplemented  by this Genta Waiver and
Consent Agreement, remain in full force and effect.

       11.  This Genta  Waiver and  Consent  Agreement  shall be governed by and
construed in accordance with the laws of Switzerland,  without  reference to the
conflicts of law principles thereof.

       12. No  provision  of this Genta  Waiver and  Consent  Agreement,  or the
benefit thereof may be waived, altered,  amended or repealed in whole or in part
except by the written consent of all of the parties  hereto,  and no such waiver
or changed shall extend beyond the circumstances for which it is granted. Except
as specifically  provided for herein, the waiver from time to time by a party of
any of its rights or its failure to exercise  any remedy shall not operate or be
construed as a continuing  waiver of same or of any other of such party's rights
or remedies hereunder.

       13. If any term,  covenant or  condition of this Genta Waiver and Consent
Agreement or the application  thereof to any party or circumstance shall, to any
extent, be held to be invalid or  unenforceable,  then (1) the remainder of this
Agreement,  or the application of such term, covenant or condition to parties or
circumstances  other than those as to which it is held invalid or unenforceable,
shall not be affected  thereby  and each term,  covenant  or  condition  of this
Agreement shall be valid and be enforced to the fullest extent permitted by law;
and (2) the parties  hereto  covenant  and agree to  renegotiate  any such term,
covenant or  application  thereof in good faith in order to provide a reasonably
acceptable  alternative to the term,  covenant or condition of this Agreement or
the application 


                                       -4-


<PAGE>

thereof  that is invalid or  unenforceable,  it being the intent of the  parties
that the basic purposes of this Agreement are to be effectuated.

       14. Any dispute,  claim or controversy  between the parties  relating to,
arising  out of or in any way  connected  with this  Genta  Waiver  and  Consent
Agreement or any term or condition  hereof, or the performance by a party of its
obligations  hereunder,  whether before or after  termination of this Agreement,
shall be finally resolved by binding arbitration.  Whenever a party shall decide
to  institute  arbitration  proceedings,  it shall give  written  notice to that
effect to the other parties. Any arbitration  hereunder shall be conducted under
the Rules of  Conciliation  and  Arbitration  of the  International  Chamber  of
Commerce.  Any such arbitration  shall be conducted in the English language by a
panel of three (3)  arbitrators  appointed in  accordance  with such rules,  and
shall be held in Paris,  France.  The  arbitrators  shall have the  authority to
grant  specific  performance,  and to  allocate  between the parties the cost of
arbitration in such equitable manner as they determine.  Judgment upon the award
so rendered may be entered in any court having  jurisdiction  or application may
be made to such court for  judicial  acceptance  of any award so rendered and an
order of  enforcement,  as the case may be.  Whether a claim,  dispute  or other
matter in question  would be barred by the  applicable  statute of  limitations,
which also  shall  apply to any  arbitration  under this  Section  14,  shall be
determined by binding arbitration pursuant to this Section 14.

       15. It is expressly  agreed that the parties are independent  contractors
with one another under this Agreement and that the relationship  between the two
parties shall not  constitute a partnership,  joint venture or agency.  No party
shall have the authority to make any statements,  representations or commitments
of any kind,  or to take any action  which shall be binding on any other  party,
without the prior consent of the other party to do so.

       16.  This Genta  Waiver and Consent  Agreement  may be executed in two or
more counterparts,  each of which shall be deemed an original,  but all of which
together shall constitute one and the same instrument.  It shall not be strictly
construed against any party hereto.


                                       -5-


<PAGE>

      IN WITNESS WHEREOF, the parties below have duly executed this Genta Waiver
and Consent Agreement  through their respective duly authorized  representatives
as of the date first set forth above.

                                  GENTA INCORPORATED


                                  By:   /s/ Thomas H. Adams
                                        -------------------
                                        Thomas H. Adams, Ph.D.
                                        Chairman and Chief Executive Officer

We accept and agree to the  foregoing,  and  acknowledge  same by executing this
Genta Waiver and Consent Agreement through our duly authorized representatives:

GENTA JAGO TECHNOLOGIES BV              JAGO PHARMA AG


By     /s/ Thomas H. Adams              By:   /s/ Jacques Gonella
       -------------------                    -------------------
       Thomas H. Adams, Ph.D.                     Dr. Jacques Gonella
       Managing Director                          President


By     /s/ Jacques Gonella
       -------------------
       Dr. Jacques Gonella
       Managing Director



GENTA JAGO DELAWARE, L.L.C.


By     /s/ Thomas H. Adams
       -------------------
       Thomas H. Adams, Ph.D.
       Managing Director


By     /s/ Jacques Gonella
       -------------------
       Dr. Jacques Gonella
       Managing Director

APOTHECON, INC.


By     /s/ Lee Burg
       ------------
       Lee Burg
       President


                                       -6-


<PAGE>

                                EXHIBIT 3.6(III)

                                 JAGO PHARMA AG
                               EPTINGERSTRASSE 51
                                 CH-4132 MUFFENZ
                                   SWITZERLAND


                                                               February 28, 1996


Apothecon, Inc.
777 Scudders Mill Road
Plainsboro, New Jersey
USA
       ATTN: President

Genta Jago Technologies B.V., Swiss Branch
Grundstrasse 12
6343 Rotkreuz
SWITZERLAND
       ATTN: Executive Management Committee

Genta Jago Delaware, L. L - C
3550 General Atomics Court
San Diego, CA 92121
USA
       ATTN: President

Genta Incorporated
3550 General Atomics Court
San Diego, CA 92121
USA
       ATTN: President

              Re:   WAIVER AND CONSENT

Gentlemen:

       Reference is hereby made to:

       i)     An Agreement dated the date hereof by and between Apothecon, Inc.,
              a Delaware corporation,  and Genta Jago Technologies BV ("GJT"), a
              Dutch  company,  regarding  the  development  of *, using  certain
              proprietary  sustained  release  technology  licensed  to  GJT  by
              Jagotec AG (said agreement, as it may be supplemented,  changed or
              extended  from time to time  hereafter,  is  referred to as the "*
              Development  Agreement").  Each of you  acknowledges  receipt of a
              copy of said agreement; and

       ii)    An Agreement  dated the date hereof by and between  Apothecon  and
              Genta Jago Technologies BV ("GJT"), a Dutch company, regarding the
              grant of certain  license rights to Apothecon to make,  have made,
              use and sell * under certain  Patent Rights and Know- How licensed
              to  GJT  pertaining  to  certain  proprietary   sustained  release
              technology  licensed to GJT by Jagotec AG (said  agreement,  as it
              may be  


- - - ------------------
*    Confidential treatment requested. The redacted material has been separately
     filed with the Commission.


<PAGE>

              supplemented,  changed or extended from time to time hereafter, is
              referred   to  as  the  "*  License   Agreement").   Each  of  you
              acknowledges  receipt of a copy of said  agreement.  The * License
              Agreement and the *  Development  Agreement are referred to herein
              as the "* Agreements"; and

       iii)   The Restated GEOMATRIX Research and Development Agreement dated as
              of May 12,  1995 by and  among  GJT,  Jago  Pharma  AG,  as  Swiss
              corporation, Genta Incorporated ("Genta"), a Delaware corporation,
              and Genta Jago  Delaware,  L.L.C.  ("Genta  Jago LLC),  a Delaware
              limited liability company (the "GEOMATRIX Research and Development
              Agreement".

    All  capitalized  terms not  expressly  defined in this  Waiver and  Consent
agreement  ("the "Jago Pharma  Waiver and Consent  Agreement")  have the meaning
ascribed to such term in the * License Agreement.

    Jagotec AG and Genta are each 50% owners of the equity and income  interests
of GJT. Jagotec and Jago Pharma AG are Affiliates of one another, of GJT, and of
Jago  Holding AG, a Swiss  corporation.  Genta and GPM  Generic  Pharmaceuticals
Manufacturing Inc. (the latter entity being an Affiliate of Jagotec AG) are each
a 50% owner of the equity and income interests of Genta Jago LLC. Jago Pharma AG
acknowledges, and each of the parties signing below hereby acknowledges, that it
expects to derive  substantial  economic benefit,  directly or indirectly,  as a
result of the execution,  delivery and  performance of the * License  Agreement,
the * Development  Agreement,  and of the GEOMATRIX  Agreements.  Therefore,  in
order to induce Apothecon to execute,  deliver and perform the * Agreements,  to
make the payments required of Apothecon thereunder, and to accept GJT's promises
to discharge its  obligations  thereunder and otherwise,  and for other good and
valuable  consideration,  the  receipt  and  sufficiency  of  which  are  hereby
acknowledged, Jago Pharma AG hereby represents,  warrants, agrees, and covenants
to and with  Apothecon,  and each other party signing  below hereby  represents,
warrants, agrees and concurs, as follows:

    1.  (a)   Notwithstanding  any  provision  in  the  GEOMATRIX  Research  and
Development Agreement to the contrary:

       i. All  applications  filed by Jago Pharma AG pursuant to its obligations
       under the GEOMATRIX  Research and Development  Agreement as are necessary
       or useful for the  Registration of the Product shall be filed in the name
       of, and be owned by, Apothecon, and not GJT.

       ii. All data and  results  pertaining  to the Product  generated  by Jago
       Pharma AG under the Research  and  Development  Agreement  shall be owned
       solely by Apothecon. Concurrently with the execution and delivery of this
       Jago Pharma Waiver and Consent  Agreement,  Jago Pharma will turn over to
       Apothecon  all  data  and  results  heretofore  developed  by or  for  it
       pertaining  to the  Product.  Jago Pharrna AG will  thereafter  report in
       writing such data and results  developed by or for it not less frequently
       than  quarterly to Apothecon  and GJT (and monthly if requested by either
       party),  and will  immediately  transmit  all such data to  Apothecon  by
       magnetic media or such other method as Apothecon shall request.

          iii.  In  the  event  that  the  GEOMATRIX  Research  and  Development
          Agreement should terminate,  for whatever reason and however effected,
          then, in addition to any remedies  available to APOTHECON  under the *
          Development and Marketing  Agreement at law or in equity,  Jago Pharma
          AG shall, at Apothecon's election and request, enter into an agreement
          with Apothecon for the development and  registration of the Product on
          terms and conditions that, to the maximum practicable extent,  require
          Jago  Pharma AG to perform the same  obligations  and observe the same
          terms and  conditions as apply to it under the GEOMATRIX  Research and
          Development  Agreement  (without  regard to Genta and Genta Jago LLC's
          duties or responsibilities  thereunder), and with Apothecon having the
          rights  that GJT  otherwise  had under  such  GEOMATRIX  Research  and
          Development  Agreement and with APOTHECON  assuming GJT's  obligations
          under such GEOMATRIX Research and Development  Agreement to the extent
          such  obligations  do not  conflict  with  or are in  addition  to the
          obligations  that Apothecon has under the * Development  and Marketing
          Agreement.  In such event Apothecon shall be entitled to grant to Jago
          Pharma AG a * under the Patent  Rights and  Knowhow  solely to conduct
          the Research and Development (as such term is defined in the GEOMATRIX


- - - ------------------
*    Confidential treatment requested. The redacted material has been separately
     filed with the Commission.


                                       -2-


<PAGE>

       Research and  Development  Agreement) that Jago Pharma AG is obligated to
       conduct under the GEOMATRIX Research and Development  Agreement,  and any
       payments for services performed thereafter by Jago Pharma AG with respect
       to the  development of the Product shall be made directly by APOTHECON to
       Jago Pharma AG.

              (b) If GJT breaches the * Development and Marketing Agreement with
       respect  to the  development  of the  Product in a manner  that  entitles
       APOTHECON to  terminate  same  pursuant to section  11.2.2.1 or 11. 2.2.2
       thereof,  or  makes  an  untrue  statement  that  entitles  APOTHECON  to
       terminate same pursuant to section 11.2.4.1 thereof,  and/or in the event
       that GJT  commences  proceedings  to  dissolve,  liquidate or wind up its
       affairs,  then, in addition to any remedies  available to it under said *
       Development  and  Marketing  Agreement  or  available  to it at law or in
       equity,  APOTHECON  may elect (by  delivering  a writing  to GJT and Jago
       Pharma AG of APOTHECON's intent to exercise its option),  for Jago Pharma
       AG to, and Jago  Pharma AG agrees  that it will,  promptly  enter into an
       agreement with APOTHECON under which: (i) Jago Pharma will, to the extent
       it has the right to do so,  ensure  that all  licenses,  sublicenses  and
       other rights and  privileges  granted by GJT under the * Development  and
       Marketing  Agreement shall continue without change,  and (ii) Jago Pharma
       will assume all rights and  obligations of GJT under articles 3, 4, 5, 6,
       11.4.5, 12, 14, 15.1, and 15.2 of the Development and Marketing Agreement
       and will  promptly  cure any  defaults  of GJT under said  articles,  any
       payments to be made  thereafter by APOTHECON  under said  articles  shall
       thereafter be paid to Jago Phanna,  and APOTHECON shall continue to enjoy
       all rights and privileges granted under said articles.

    2. Jago Pharma shall submit to Apothecon,  concurrently  with its submission
to GJT, a copy of (i) all reports, statements,  invoices, Product Workplans, and
budgets submitted by Jago Pharma AG to GJT or to the Steering Committee relating
to the Product,  (ii) a copy of all reports relating to the Product submitted to
GJT under section 5.4 of the GEOMATRIX Research and Development  Agreement,  and
(iii) a copy of all  submissions  to, and all responses  and approvals  obtained
from,  a  regulatory  authority  relating to the  Product.  Jago Pharma AG shall
promptly inform Apothecon of any default by GJT under the GEOMATRIX Research and
Development  Agreement.  Following  any such default,  Apothecon  shall have the
right, but shall not be under any obligation of any nature whatsoever, expressly
or  impliedly,  to (i) cure any such  default,  and/or  (ii) pay Jago  Pharma AG
directly  thereafter  for all  services  performed  by it  under  the  GEOMATRIX
Research and  Development  Agreement  that pertain to the Product and deduct and
offset same from any monies payable thereafter by Apothecon to GJT.

    3.  Apothecon  shall have the right to exercise the same audit rights as GJT
may  exercise  under  section  4.6 of the  GEOMATRIX  Research  and  Development
Agreement, to the extent relating to the Product only.

     4. Jago Pharma AG shall defend, indemnify and hold Apothecon, Inc. harmless
from  and  against  any  and  all  losses,  liabilities,  damages  and  expenses
(including  reasonable  attorneys'  fees and costs) that Apothecon  suffers as a
result of any  claim,  demand,  action or other  proceeding  by any Third  Party
arising  from  or  relating  to  the  *,  its  directors,  officers,  employees,
consultants or agents in performing its obligations under the GEOMATRIX Research
and  Development  Agreement,  except to the  extent  such  losses,  liabilities,
damages and expenses arise from the *, or their respective directors,  officers,
general partners,  employees,  consultants, or agents (other than *). Apothecon,
as an  Indemnitee,  agrees to adhere to and be bound by the terms of section 9.5
of the GEOMATRIX Research and Development  Agreement,  as though such terms were
fully set forth herein (and with "Article 9" replaced by "Article 4 hereof").

    5.  To  the  extent  any  provisions  of the *  Agreements  or of any of the
GEOMATRIX  Agreements  conflict  in any way with the terms of this  Jago  Pharma
Waiver and Consent Agreement, the terms of this Agreement shall control.

    6. This Waiver and Consent shall be effective immediately and shall continue
in full force and effect until such time as Apothecon  may elect to terminate it
by a writing delivered to GJT and to Jago Pharma by a duly authorized officer of
Apothecon,  or  until  the  termination  of  the  *  Marketing  and  Development
Agreement, whichever occurs first.


- - - ------------------
*    Confidential treatment requested. The redacted material has been separately
     filed with the Commission.


                                       -3-


<PAGE>

    7. Any consent,  notice or report  required or permitted to be given or made
hereunder  by one party to the other  party  shall be in English and in writing,
delivered personally or by registered mail, return receipt requested,  addressed
to the other party at its address  indicated  below or to such other  address as
the addressee shall have last furnished in writing to the addressor (with a copy
addressed  as well  to the  attention  of its  "Legal  Counsel")  and  shall  be
effective upon receipt by the addressee.

8. Each party represents and warrants to the other parties hereto the following:

              a) Existence and Power. It (i) is duly organized, validly existing
       and in good standing  under the laws of the  jurisdiction  in which it is
       organized; (ii) has the requisite power and authority and the legal right
       to own and operate its  property  and assets,  to lease the  property and
       assets it operates under lease, and to carry on its business as it is now
       being  conducted;  and (iii) is in compliance  with all  requirements  of
       applicable  law,  except to the extent that any  noncompliance  would not
       have a material adverse effect on the properties,  business, financial or
       other  condition  of it and would not  materially  adversely  affect  its
       ability to perform its obligations under this Agreement.

              b)  Authorization  and Enforcement of Obligations.  It (i) has the
       requisite  power  and  authority  and the legal  right to enter  into the
       Agreement and to perform its  obligations  hereunder;  and (ii) has taken
       all necessary  action on its part to authorize the execution and delivery
       of this Agreement and the performance of its obligations hereunder.  This
       Agreement  has been  duly  executed  and  delivered  on its  behalf,  and
       constitutes a legal, valid, binding obligation, enforceable against it in
       accordance with its terms.

              c)  No   Consents.   All   necessary   consents,   approvals   and
       authorizations of all governmental authorities and other Persons required
       to be obtained by it in connection  with the execution and performance of
       this Agreement have been obtained.

              d) No Conflict.  The execution  and delivery of this  Agreement on
       its behalf and the  performance of its  obligations  hereunder (a) do not
       conflict  with  or  violate  any   requirement  of  applicable   laws  or
       regulations applicable to it, and (b) do not conflict or are inconsistent
       with,  or  constitute  a default  under,  any  contractual  or  fiduciary
       obligation or covenant of it.

    9. This Jago Pharma Waiver and Consent  Agreement shall inure to the benefit
of,  and be binding  upon each  party  hereto,  and its  respective  successors,
permitted  assigns  and legal  representatives.  Any party may also  assign  its
rights and  obligations  under this  Agreement  without the consent of the other
parties  in  connection  with a  merger,  consolidation,  or the  sale of all or
substantially all of its assets to an Affiliate agreeing to be bound by same, or
may otherwise  assign its rights or  obligations  under this Agreement only with
the prior written  consent of the other parties  hereto.  This  Agreement  shall
survive any merger, consolidation or similar reorganization of either party with
or into  another  party and no consent  for a merger,  consolidation  or similar
reorganization  shall be required  hereunder.  Any  assignment not in accordance
with this Agreement shall be void.

    10. This Jago Pharma Waiver and Consent  Agreement,  together with all other
documents to the extent  referred to herein,  constitute  the total and complete
agreement of the parties and supersede all prior  understandings  and agreements
hereto  made,  and  there  are  no  other  representations,   understandings  or
agreements  relating to the subject  matter hereof that are not set forth herein
on which a party has relied.  All terms and conditions of the GEOMATRIX Research
and  Development  Agreement,  to the extent not changed or  supplemented by this
Jago Pharma Waiver and Consent Agreement, remain in full force and effect.

    11. This Jago Pharma Waiver and Consent  Agreement  shall be governed by and
construed in accordance with the laws of Switzerland,  without  reference to the
conflicts of law principles thereof.

    12. No provision of this Jago Pharma  Waiver and Consent  Agreement,  or the
benefit thereof may be waived, altered,  amended or repealed in whole or in part
except by the written consent of all of the parties  hereto,  and no such waiver
or changed shall extend beyond the circumstances for which it is granted. Except
as specifically  provided for herein, the waiver from time to time by a party of
any of its rights or its failure to exercise any remedy


                                       -4-


<PAGE>
shall not operate or be construed as a continuing waiver of same or of any other
of such party's rights or remedies hereunder.

    13. If any term,  covenant  or  condition  of this Jago  Pharma  Waiver  and
Consent Agreement or the application thereof to any party or circumstance shall,
to any extent, be held to be invalid or unenforceable, then (1) the remainder of
this  Agreement,  or the  application  of such term,  covenant or  condition  to
parties or  circumstances  other  than  those as to which it is held  invalid or
unenforceable,  shall  not be  affected  thereby  and  each  term,  covenant  or
condition of this Agreement shall be valid and be enforced to the fullest extent
permitted by law; and (2) the parties  hereto  covenant and agree to renegotiate
any such term, covenant or application thereof in good faith in order to provide
a reasonably  acceptable  alternative to the term, covenant or condition of this
Agreement or the application thereof that is invalid or unenforceable,  it being
the intent of the parties that the basic  purposes of this  Agreement  are to be
effectuated.

    14. Any  dispute,  claim or  controversy  between the parties  relating  to,
arising out of or in any way connected  with this Jago Pharma Waiver and Consent
Agreement or any term or condition  hereof, or the performance by a party of its
obligations  hereunder,  whether before or after  termination of this Agreement,
shall be finally resolved by binding arbitration.  Whenever a party shall decide
to  institute  arbitration  proceedings,  it shall give  written  notice to that
effect to the other parties. Any arbitration  hereunder shall be conducted under
the Rules of  Conciliation  and  Arbitration  of the  International  Chamber  of
Commerce.  Any such arbitration  shall be conducted in the English language by a
panel of three (3)  arbitrators  appointed in  accordance  with such rules,  and
shall be held in Paris,  France.  The  arbitrators  shall have the  authority to
grant  specific  performance,  and to  allocate  between the parties the cost of
arbitration in such equitable manner as they determine.  Judgment upon the award
so rendered may be entered in any court having  jurisdiction  or application may
be made to such court for  judicial  acceptance  of any award so rendered and an
order of  enforcement,  as the case may be.  Whether a claim,  dispute  or other
matter in question  would be barred by the  applicable  statute of  limitations,
which also  shall  apply to any  arbitration  under this  Section  14,  shall be
deter-mined by binding arbitration pursuant to this Section 14.

    15. It is expressly agreed that the parties are independent contractors with
each other under this  Agreement and that the  relationship  between the parties
shall not constitute a partnership, joint venture or agency. No party shall have
the authority to make any  statements,  representations  or  commitments  of any
kind,  or to take any action which shall be binding on any other party,  without
the prior consent of the other party to do so.

    16. This Jago Pharma Waiver and Consent  Agreement may be executed in two or
more counterparts,  each of which shall be deemed an original,  but all of which
together shall constitute one and the same instrument.  It shall not be strictly
construed against any party hereto.


                                       -5-


<PAGE>

       IN WITNESS WHEREOF, the parties below have duly executed this Jago Pharma
Waiver  and  Consent   Agreement   through  their   respective  duly  authorized
representatives as of the date first set forth above.

                                                 JAGO PHARMA AG


                                                 By   /s/ Jacques Gonella
                                                      -------------------
                                                          Dr. Jacques Gonella
                                                          President


We accept and agree to the  foregoing,  and  acknowledge  same by executing this
Jago  Pharma  Waiver  and  Consent   Agreement   through  our  duly   authorized
representatives:

GENTA JAGO TECHNOLOGIES BV

By:    /s/ Thomas H. Adams
       -------------------
       Thomas H. Adams, Ph.D.
       Managing Director

By:    /s/ Jacques Gonella
       -------------------
       Dr. Jacques Gonella
       Managing Director


GENTA INCORPORATED

By:    /s/ Thomas H. Adams
       -------------------
       Thomas H. Adams, Ph.D.
       Chairman and Chief Executive Officer

GENTA JAGO DELAWARE, L.L.C.


By:    /s/ Thomas H. Adams
       -------------------
       Thomas H. Adams, Ph.D.
       Managing Director


By:    /s/ Jacques Gonella
       -------------------
       Dr. Jacques Gonella
       Managing Director

APOTHECON, INC.


By:    /s/ Lee Burg
       ------------
       Lee Burg
       President


                                       -6-


<PAGE>

                                 EXHIBIT 3.6(IV)

                                   JAGOTEC AG
                                  SEESTRASSE 47
                         CH-6052 HERGISWIL, SWITZERLAND


                                                               February 28, 1996


Apothecon, Inc.
777 Scudder Mills Road
Princeton, New Jersey 08536
USA
Attn.: President

Genta Jago Technologies BV
Grundstrasse 12
6343 Rotkreuz
SWITZERLAND

      Re:   WAIVER AND CONSENT

Gentlemen:

      Reference is hereby made to:

      i) An Agreement  dated the date hereof by and between  Apothecon,  Inc., a
Delaware  corporation,  and Genta Jago Technologies BV ("GJT"), a Dutch company,
regarding  the  development  and  marketing  of  *,  using  certain  proprietary
sustained release technology  licensed to GJT by Jagotec AG (said agreement,  as
it may be  supplemented,  changed or extended  from time to time  hereafter,  is
referred to as the "* Development  and Marketing  Agreement").  You  acknowledge
receipt of a copy of said agreement; and

      ii) An Agreement dated the date hereof by and between  Apothecon and Genta
Jago  Technologies BV ("GJT"),  a Dutch company,  regarding the grant of certain
license  rights to Apothecon to make,  have made,  use and sell * under  certain
Patent Rights and Know- How licensed to GJT  pertaining  to certain  proprietary
sustained release technology  licensed to GJT by Jagotec AG (said agreement,  as
it may be  supplemented,  changed or extended  from time to time  hereafter,  is
referred to as the "* License Agreement").  You acknowledge receipt of a copy of
said  agreement.  The * License  Agreement and the *  Development  and Marketing
Agreement are referred to herein as the "* Agreements.";

       All  capitalized  terms not expressly  defined in this Waiver and Consent
agreement  ("the  "Jagotec  Waiver  and  Consent  Agreement")  have the  meaning
ascribed to such term in the * License Agreement.

       Jagotec  AG  ("Jagotec"),  a Swiss  corporation,  is party to a  Restated
GEOMATRIX  License  Agreement  between  Jagotec and GJT dated May 12, 1995 (said
agreement, as it may be supplemented,  changed or extended from time to time, is
referred  to herein as the  "License  Agreement")  and to a  Restated  GEOMATRIX
Manufacturing License Agreement between Jagotec and GJT dated May 12, 1995 (said
agreement, as it may be supplemented,  changed or extended from time to time, is
referred to herein as the "Manufacturing License Agreement").


- - - ------------------
*    Confidential treatment requested. The redacted material has been separately
     filed with the Commission.

<PAGE>

      Jagotec is a 50% owner of the equity and income  interests of GJT. Jagotec
is an Affiliate of GJT and of Jago Holding AG, a Swiss corporation. Accordingly,
the undersigned expects to derive, directly or indirectly,  substantial economic
benefit  as a  result  of  the  execution,  delivery  and  performance  of the *
Agreements.  Therefore,  in order to induce  Apothecon  to execute,  deliver and
perform the * Agreements, to make the payments required of Apothecon thereunder,
and to accept  GJT's  promises  to  discharge  its  obligations  thereunder  and
otherwise,  Jagotec hereby  represents,  warrants,  agrees, and covenants to and
with GJT and Apothecon as follows:

      1. Jagotec  agrees that any license  rights,  sublicense  rights and other
rights  granted or extended by GJT to Apothecon  under the * Agreements  are not
subject  to  the  terms  and  conditions  of  the  License   Agreement  and  the
Manufacturing  License  Agreement  and waives any rights  Jagotec  may have with
respect to the  enforcement of same against  Apothecon.  Jagotec  further agrees
that  Apothecon,  to the extent it is a  subcontractee  or  sublicensee of GJT's
rights  and  obligations  under  the  License  Agreement  and the  Manufacturing
Agreement, shall not be bound by any and all obligations and undertakings of GJT
under  either of said  Agreements,  and waives any rights  Jagotec may have with
respect to the enforcement of same against Apothecon.

      2. (a)  Jagotec  agrees  that,  in the event of an event that the  License
Agreement and/or the Manufacturing  License Agreement is or are terminated,  for
whatever  reason  and  whether  by action  taken by  Jagotec,  GJT or both,  and
notwithstanding any provision (including without limitation section 11.4) to the
contrary  in the  License  Agreement  and in the  Manufacturing  Agreement,  all
licenses,  sublicenses  and other rights and  privileges  granted or extended to
Apothecon  under the *  Agreements  shall  continue and remain in full force and
effect in accordance with their terms, without further action or election on the
part of Apothecon,  and Jagotec shall be deemed  simultaneously  to have assumed
the rights and  obligations of GJT under the * Agreements and will promptly cure
all defaults of GJT thereunder.

              (b) If GJT  breaches  the *  License  Agreement  in a manner  that
entitles  APOTHECON to terminate  same pursuant to section  11.2.2.1 or 11.2.2.2
thereof,  or makes an untrue statement that entitles APOTHECON to terminate same
pursuant to section  11.2.4.1  thereof,  and/or in the event that GJT  commences
proceedings to dissolve,  liquidate or wind up its affairs, then, in addition to
any  remedies  available  to it under  said  Agreement  or at law or in  equity,
APOTHECON may elect (by  delivering a writing to GJT and Jagotec of  APOTHECON's
intent to exercise such option) for Jagotec to, and Jagotec agrees that it will,
promptly enter into a new, separate agreement with APOTHECON under which (i) all
licenses, sublicenses and other rights and privileges granted by GJT under the *
License  Agreement shall continue without further action or election on the part
of  APOTHECON,  (ii) Jagotec will assume all rights and  obligations  of GJT and
promptly cure all defaults of GJT thereunder,  and (iii) all payments that would
otherwise have been made thereafter by APOTHECON  under the * License  Agreement
shall thereafter be paid to Jagotec.

              (c) If GJT  fails to make a payment  when due  under its  Restated
Working  Capital  Agreement  dated  as of May 12,  1995 (as  amended  by a First
Amendment  thereto dated as of July 11, 1995 and as the same may be amended from
time to time hereafter, and including any successor agreement thereto),  between
GJT and  Genta,  Incorporated,  a  Delaware  corporation  ("Genta"),  GJT and/or
Jagotec shall  promptly  inform  APOTHECON of same,  and APOTHECON may elect (by
delivering a writing to GJT and Jagotec of  APOTHECON's  intent to exercise such
option) at any time  thereafter  to terminate  the * License  Agreement  and for
Jagotec to, and Jagotec agrees that it will, promptly enter into a new, separate
agreement with  APOTHECON  under which (i) all licenses,  sublicenses  and other
rights  and  privileges  granted  by GJT  under the *  License  Agreement  shall
continue  without further action or election on the part of APOTHECON,  and (ii)
Jagotec  will assume all rights and  obligations  of GJT and  promptly  cure all
defaults of GJT  thereunder;  provided,  however,  that all payments  that would
otherwise have been made thereafter by APOTHECON  under the * License  Agreement
and otherwise under such new, separate agreement shall thereafter continue to be
paid to GJT by  APOTHECON,  until  APOTHECON  is duly  instructed  otherwise  in
writing by GJT and Jagotec AG.

      3. To the extent any provisions of the * Agreements supplement or conflict
with the terms of the GEOMATRIX Agreements,  the terms of the * Agreements shall
control.


- - - ------------------
*    Confidential treatment requested. The redacted material has been separately
     filed with the Commission.


                                       -2-


<PAGE>

      4. This Jagotec Waiver and Consent Agreement shall inure to the benefit of
Apothecon,  its successors,  assigns and legal representatives,  as well as GJT,
its successors,  assigns and legal  representatives,  and shall bind the Jagotec
and its successors and assigns.  This Jagotec Waiver and Consent  Agreement sets
forth the entire understanding of the GJT, Jagotec and Apothecon with respect to
the subject matter hereof,  and there are no other promises,  representations or
understandings, written or oral, not set forth herein.

      5. Each party  represents  and  warrants to the other  parties  hereto the
following:

              a) Existence and Power. It (i) is duly organized, validly existing
       and in good standing  under the laws of the  jurisdiction  in which it is
       organized; (ii) has the requisite power and authority and the legal right
       to own and operate its  property  and assets,  to lease the  property and
       assets it operates under lease, and to carry on its business as it is now
       being  conducted;  and (iii) is in compliance  with all  requirements  of
       applicable  law,  except to the extent that any  noncompliance  would not
       have a material adverse effect on the properties,  business, financial or
       other  condition  of it and would not  materially  adversely  affect  its
       ability to perform its obligations under this Agreement.

              b)  Authorization  and Enforcement of Obligations.  It (i) has the
       requisite  power  and  authority  and the legal  right to enter  into the
       Agreement and to perform its  obligations  hereunder;  and (ii) has taken
       all necessary  action on its part to authorize the execution and delivery
       of this Agreement and the performance of its obligations hereunder.  This
       Agreement  has been  duly  executed  and  delivered  on its  behalf,  and
       constitutes a legal, valid, binding obligation, enforceable against it in
       accordance with its terms.

              c)  No   Consents.   All   necessary   consents,   approvals   and
       authorizations of all governmental authorities and other Persons required
       to be obtained by it in connection  with the execution and performance of
       this Agreement have been obtained.

              d) No Conflict.  The execution  and delivery of this  Agreement on
       its behalf and the  performance of its  obligations  hereunder (a) do not
       conflict  with  or  violate  any   requirement  of  applicable   laws  or
       regulations applicable to it, and (b) do not conflict or are inconsistent
       with,  or  constitute  a default  under,  any  contractual  or  fiduciary
       obligation or covenant of it.

      6.  This  Jagotec  Waiver  and  Consent   Agreement   shall  be  effective
immediately  and shall  continue  in full  force and  effect  until such time as
Apothecon may elect to terminate it by a writing delivered to GJT and to Jagotec
by a duly  authorized  officer of Apothecon,  or until the  termination of the *
Agreements, whichever occurs first.

      7. Any consent, notice or report required or permitted to be given or made
hereunder  by one party to the other  party  shall be in English and in writing,
delivered personally or by registered mail, return receipt requested,  addressed
to the other party at its address  indicated  below or to such other  address as
the addressee shall have last furnished in writing to the addressor and shall be
effective upon receipt by the addressee.

              If to Jagotec:         Jagotec AG
                                     c/o Jago Pharma AG
                                     Eptingerstrasse 51
                                     CH-4132 Muttenz, Switzerland
                                     Attention:  Dr. Jacques Gonella

              with a copy to:        Rinderknecht Glaus & Stadelhofer
                                     Beethovenstrasse 7
                                     Postfach 4451
                                     CH-8002 Zurich, Switzerland
                                     Attention: Dr. Thomas M. Rinderknecht


- - - ------------------
*    Confidential treatment requested. The redacted material has been separately
     filed with the Commission.


                                       -3-


<PAGE>

                    If to GJT:       Genta Jago Technologies BV
                                     Swiss Branch
                                     Grundstrasse 12
                                     6343 Rotkreuz, Switzerland
                                     Attention: Executive Management Committee

                    with copies to:  Genta Incorporated
                                     3550 General Atomics Court
                                     San Diego, CA 92121, U.S.A.
                                     Attention: Thomas H. Adams, Ph.D.

                    and:             Pillsbury Madison & Sutro
                                     235 Montgomery Street, 15th Floor
                                     San Francisco, CA 94104, U.S.A.
                                     Attention: Thomas E. Sparks, Jr., Esq.

              If to
              APOTHECON:   Apothecon, Inc.
                                     777 Scudders Mill Road
                                     Plainsboro, New Jersey 08536 USA
                                     Attention: President

              with a copy to:        Apothecon, Inc.
                                     777 Scudders Mill Road
                                     Plainsboro, New Jersey 08536 USA
                                     Attention: Corporate Legal Counsel

       8. This  Jagotec  Waiver and Consent  Agreement  shall be governed by and
construed in accordance with the laws of Switzerland,  without  reference to the
conflicts of law principles thereof.

       9. Any dispute,  claim or  controversy  between the parties  relating to,
arising  out of or in any way  connected  with this  Jagotec  Waiver and Consent
Agreement or any term or condition hereof, or the performance by either party of
its obligations  hereunder,  whether before or after termination of this Jagotec
Waiver and Consent Agreement,  shall be finally resolved by binding arbitration.
Whenever a party shall decide to  institute  arbitration  proceedings,  it shall
give written notice to that effect to the other party. Any arbitration hereunder
shall be  conducted  under  the Rules of  Conciliation  and  Arbitration  of the
International  Chamber of Commerce.  Any such arbitration  shall be conducted in
the English language by a panel of three (3) arbitrators appointed in accordance
with such rules, and shall be held in Paris,  France. The arbitrators shall have
the authority to grant specific performance, and to allocate between the parties
the cost of  arbitration in such equitable  manner as they  determine.  Judgment
upon the award so rendered  may be entered in any court having  jurisdiction  or
application  may be made to such court for judicial  acceptance  of any award so
rendered  and an order of  enforcement,  as the  case may be.  Whether  a claim,
dispute or other matter in question would be barred by the applicable statute of
limitations,  which also shall apply to any  arbitration  under this  Section 9,
shall be determined by binding arbitration pursuant to this Section 9.

       10.  It is  expressly  agreed  that  the  parties  are  each  independent
contractors  with one another  under this  Agreement  and that the  relationship
between the two parties  shall not  constitute a  partnership,  joint venture or
agency.  Neither  party  shall  have  the  authority  to  make  any  statements,
representations or commitments of any kind, or to take any action which shall be
binding on the other party,  without the prior  consent of the other party to do
so.

       11. The provisions of this Jagotec  Waiver and Consent  Agreement may not
be  waived,  altered,  amended  or  repealed  in whole or in part  except by the
written consent of all of the parties hereto.


                                       -4-


<PAGE>

       12. The terms,  covenants,  conditions and provisions  contained  herein,
together with all other documetts to the extent  referred to herein,  constitute
the  total  and  complete  agreement  of the  parties  and  supersede  all prior
understandings   and   agreements   hereto   made,   and   there  are  no  other
representations,  understandings  or agreements  relating to the subject  matter
hereof.

       13. This Jagotec  Waiver and Consent  Agreement may be executed in two or
more counterparts,  each of which shall be deemed an original,  but all of which
together shall constitute one and the same instrument.  It shall not be strictly
construed against any party hereto.

       14. This Jagotec Waiver and Consent  Agreement shall inure to the benefit
of,  and be binding  upon each  party  hereto,  and its  respective  successors,
permitted  assigns  and legal  representatives.  Any party may also  assign  its
rights and  obligations  under this  Agreement  without the consent of the other
parties  in  connection  with a  merger,  consolidation,  or the  sale of all or
substantially all of its assets to an Affiliate agreeing to be bound by same, or
may otherwise  assign its rights or  obligations  under this Agreement only with
the prior written  consent of the other parties  hereto.  This  Agreement  shall
survive any merger, consolidation or similar reorganization of either party with
or into  another  party and no consent  for a merger,  consolidation  or similar
reorganization  shall be required  hereunder.  Any  assignment not in accordance
with this Agreement shall be void.

       15. No  provision of this Jagotec  Waiver and Consent  Agreement,  or the
benefit thereof may be waived, altered,  amended or repealed in whole or in part
except by the written consent of all of the parties  hereto,  and no such waiver
or changed shall extend beyond the circumstances for which it is granted. Except
as specifically  provided for herein, the waiver from time to time by a party of
any of its rights or its failure to exercise  any remedy shall not operate or be
construed as a continuing  waiver of same or of any other of such party's rights
or remedies hereunder.

       16. If any term, covenant or condition of this Jagotec Waiver and Consent
Agreement or the application  thereof to any party or circumstance shall, to any
extent, be held to be invalid or  unenforceable,  then (1) the remainder of this
Agreement,  or the application of such term, covenant or condition to parties or
circumstances  other than those as to which it is held invalid or unenforceable,
shall not be affected  thereby  and each term,  covenant  or  condition  of this
Agreement shall be valid and be enforced to the fullest extent permitted by law;
and (2) the parties  hereto  covenant  and agree to  renegotiate  any such term,
covenant or  application  thereof in good faith in order to provide a reasonably
acceptable  alternative to the term,  covenant or condition of this Agreement or
the application thereof that is invalid or unenforceable, it being the intent of
the parties that the basic purposes of this Agreement are to be effectuated.


                                       -5-


<PAGE>

       IN WITNESS  WHEREOF,  the parties  below have duly  executed this Jagotec
Waiver  and  Consent   Agreement   through  their   respective  duly  authorized
representatives as of the date first set forth above.

                                                  JAGOTEC AG


                                                  By:   /s/ Jacquest Gonella
                                                        --------------------
                                                           Dr. Jacques Gonella
                                                           President


We accept and agree to the  foregoing,  and  acknowledge  same by executing this
Jagotec   Waiver   and   Consent   Agreement   through   our   duly   authorized
representatives:

GENTA JAGO TECHNOLOGIES BV


By:    /s/ Jacques Gonella
       -------------------
              Dr.Jacques Gonella
              Managing Director


By:    /s/ Thomas H. Adams
       -------------------
              Thomas H. Adams, Ph.D.
              managing Director

APOTHECON, INC.


By:    /s/ Lee Burg
       ------------

Title: VP/GM

Date:


                                       -6-


<PAGE>

                                  EXHIBIT 4.2
                         INITIAL PRODUCT SPECIFICATIONS
- - - --------------------------------------------------------------------------------


                                       *


- - - ------------------
*    Confidential treatment requested. The redacted material has been separately
     filed with the Commission.


<PAGE>

                                   EXHIBIT 9.1
                          LIST OF GEOMATRIX TRADEMARKS
- - - -------------------------------------------------------------------------------



Country                                  TM-No.              Issue Date
- - - -------------------------------               ------------             --------
International                           522 445              April 8, 1988
Registration (25 countries)

Canada                                  369 959              May 29, 1990

Switzerland                             360 353              November 11, 1987

United Kingdom (class 1)               1415 927              March 24, 1990

United Kingdom (class 5)               1353 226              August 2, 1995 *)

Greece                                   90 337              August 25, 1955

Japan                                  2578 899              September 30, 1993

New Zealand                             185 989              July 28, 1995

Portugal **)                            303 292              September 12, 1994

Sweden                                  223 455              May 10, 1991

United States                          1562 880              October 31, 1989




*)    renewal date
**)  registration not yet granted



                                                                 
                                                                 EXHIBIT 10.90
                                                                 -------------
                        CONFIDENTIAL TREATMENT REQUESTED

                                LICENSE AGREEMENT

         THIS AGREEMENT, is made as of the Effective Date (as defined below), by
and between APOTHECON, INC., a Delaware corporation with offices at 777 Scudders
Mill Road,  Plainsboro,  New  Jersey  08536,  USA  (hereinafter  referred  to as
"APOTHECON"), and GENTA JAGO TECHNOLOGIES BV, a Dutch company, having offices at
Grundstrasse 12, 6343 Rotkreuz, Switzerland (hereinafter referred to as "GJT").

                                    RECITALS

         WHEREAS,   GJT  has  the   expertise   and  skill   needed  to  develop
pharmaceutical  preparations in * formulation of *  (hereinafter,  as more fully
defined below, referred to as the "Product"); and

         WHEREAS,  GJT (i) is the  exclusive  licensee  of  Jagotec  AG, a Swiss
corporation,  of certain patent rights covering the GEOMATRIX formulation of the
Product and (ii) is in possession of certain  know-how and technology  regarding
the development,  production and analytical methods of the Product (hereinafter,
as more fully defined below, referred to as "Know-how");

         WHEREAS,  APOTHECON is  interested  in  developing  and  marketing  the
Product  throughout  the world and  receiving  an  exclusive  license  under the
relevant  GEOMATRIX  patent  rights and  Know-how for such  purpose,  and GJT is
willing to grant such  exclusive  license to  APOTHECON,  all upon the terms and
conditions set forth below.

         WHEREAS, the terms and conditions governing the research,  development,
manufacture,  and marketing of the Product are set forth in a separate agreement
of even date herewith between GJT and APOTHECON (said agreement, as the same may
be extended, supplemented or changed hereafter, referred to hereinafter as the "
Development and Marketing Agreement").

         NOW,  THEREFORE,  in consideration of the above premises and the mutual
promises and covenants set forth herein, the parties agree as follows:


                                    ARTICLE 1
                                   DEFINITIONS

         The following  terms as used in this Agreement  shall have the meanings
set forth in this Article 1:

         * that (i) where marketed  within the United  States,  is classified by
FDA as an * under the Federal Food, Drug and Cosmetic Act, as amended,  and (ii)
where  marketed  outside  the United  States,  is  classified,  marketed  and/or
designated as a *.

         "Adverse Drug Reaction  (ADR)" shall have the meaning  ascribed to such
term under  applicable  law, but in any event shall include any  reaction,  side
effect or other undesirable event (such as side effects,  injuries,  toxicity or
sensitivity reaction, or any unexpected incidence and the severity thereof) that
is associated with the use of the Product in humans, whether or not the event is
considered  drug  related,  including,  but not  limited to, the  following:  an
adverse event  occurring in the course of the use of the Product in professional
practice,  including use in clinical studies; drug overdose,  whether accidental
or  intentional;  an adverse event  occurring from drug abuse;  an adverse event
occurring   from  drug   withdrawal;   any   significant   failure  of  expected
pharmacological or biological actions; and any adverse event associated with the
clinical use, study, investigation,  testing and marketing of the Product or any
other  product  (to  the  extent  such  adverse  event  pertains  to the  use or
incorporation of the GEOMATRIX Technology in such product). In addition, when an
ADR is herein referred to as "serious", it shall have the


- - - ------------------
*    Confidential treatment requested. The redacted material has been separately
     filed with the Commission.


<PAGE>

meaning  ascribed  to such term under  applicable  law,  but in any event  shall
include  one or  more  of the  following:  death;  admission  to a  hospital  or
prolongation of a hospital stay; permanent or substantially disabling condition;
life- threatening condition; overdose; congenital anomaly; or cancer. Also, when
an ADR is herein referred to as "unexpected", it shall have the meaning ascribed
to such term under  applicable  law,  but in any event  shall  include (x) for a
non-marketed  product, an experience that is not identified in nature,  severity
or frequency in the current  clinical  investigator's  confidential  information
brochure,  and (y) for a marketed product,  an experience which is not listed in
the  current  labeling  for such  product,  and  includes  an event  that may be
symptomatically  and  pathophysiologically  related  to an event  listed  in the
labeling  but differs from the event  because of increased  frequency or greater
severity or specificity.

         "Affiliate"  means, with respect to any Person,  any other Person which
directly or indirectly  controls,  is controlled  by, or is under common control
with, such Person. A Person shall be regarded as in control of another Person if
it/he/she owns, or directly or indirectly controls,  fifty percent (50%) or more
of the voting  stock or other  ownership  interest  of the other  Person,  or if
it/he/she  directly  or  indirectly  possesses  the power to direct or cause the
direction  of the  management  and  policies  of the  other  Person by any means
whatsoever. For example, Jagotec and Jago Pharma AG are Affiliates of GJT.

         "Developmental  Program" shall mean a development  program in which the
different  activities  to be  performed  by GJT and  APOTHECON  shall be  listed
(together with a respective  time schedule for the development of the Product to
be carried out by GJT and/or  APOTHECON),  as the case may be, according to such
"Project  Addendum" (and as amended or supplemented by mutual written  agreement
from time to time  hereafter),  with the initial  Project  Addendum  attached as
Exhibit 1.1(i) to the * Development and Marketing Agreement.

         "Effective  Date" means the date when this  Agreement  is executed  and
delivered by both parties  hereto,  and (i)  APOTHECON  shall have received duly
executed  originals  of all  Waivers and  Consents  required  under  Section 3.6
hereof,  (ii) all  opinions of counsel  contemplated  by section 3.7 hereof have
been  received by  APOTHECON,  and (iii) Jagotec and Jago Pharma shall have duly
executed the acknowledgment on the signature page of this Agreement.

         "...exclusive....."means,  with  respect  to the grant of a license  or
sublicense,  or to the appointment of a distributor,  a license,  sublicense, or
appointment whereby the licensee's, sublicensee's or appointee's rights are sole
and  entire,  and  operate  to  exclude  all  others,  including  the  licensor,
sublicensor  and  appointor,  as the case may be,  and may be  exercised  by the
licensee  or  sublicensee  itself or through one or more of its  Affiliates.  An
exclusive licensee (and permitted sublicensees) may sell and distribute Products
through agents and distributors under exclusive or nonexclusive  arrangements in
any country in the Territory. "...semi-exclusive....," with respect to the grant
of a license or sublicense,  or to the  appointment  of a distributor,  shall be
interpreted  in the same  manner  as the  preceding  sentence,  except  that the
licensor,  sublicensor  or  appointor,  as the  case  may be,  may  also use the
licensed,  sublicensed or appointed  rights itself or through one or more of its
Affiliates.

         "FDA" shall mean the United States Food and Drug Administration, or any
successor   agency  having   regulatory   jurisdiction   over  the  manufacture,
distribution and sale of drugs in the United States.

         "First  Commercial  Sale" shall mean, with respect to any Product,  the
first sale for use or  consumption  by the general  public of such  Product in a
particular  country in the Territory after the required  marketing  approval and
pricing approval,  if any, has been granted by the governing health authority of
such country.

         "GEOMATRIX  Agreements"  means the  GEOMATRIX  License  Agreement,  the
GEOMATRIX Manufacturing License Agreement,  the GEOMATRIX Supply Agreement,  and
the  GEOMATRIX  Research  and  Development  Agreement  (each,  individually,   a
"GEOMATRIX Agreement").

         "GEOMATRIX License Agreement" shall mean the Restated GEOMATRIX License
Agreement dated as of May 12, 1995 between GJT and Jagotec.


- - - ------------------
*    Confidential treatment requested. The redacted material has been separately
     filed with the Commission.


                                      - 2 -


<PAGE>

         "GEOMATRIX  Manufacturing  License  Agreement"  shall mean the Restated
GEOMATRIX  Manufacturing  License Agreement dated as of May 12, 1995 between GJT
and Jagotec.

         "GEOMATRIX  Research  and  Development  Agreement"  means the  Restated
GEOMATRIX  Research and  Development  Agreement  dated as of May 12, 1995 by and
among GJT, Jago Pharma AG, a Swiss corporation,  Genta Incorporated,  a Delaware
corporation,  and Genta Jago  Delaware,  L.L.C.,  a Delaware  limited  liability
company.

         "GEOMATRIX  Supply  Agreement"  means  the  Restated  GEOMATRIX  Supply
Agreement  dated as of May 12, 1995 by and among GJT and Jago Pharma AG, a Swiss
corporation.

         "GEOMATRIX Technology" means all oral  controlled-release drug delivery
and related  technology  which utilizes a hydrophilic  drug-containing  matrix *
which  controls  the release of the drug  through the use of one or more barrier
layers,  together with all improvements  thereon and thereto,  all to the extent
and only to the  extent  that GJT now has or  hereafter  will  have the right to
grant licenses, immunities or other rights thereunder.

         "Gross Margin" shall have the meaning  ascribed to such term in Section
7.2.2 hereof.

         "Jagotec"  means  Jagotec  AG, a Swiss  corporation,  having a place of
business at Seestrasse 47, CH6052 Hergiswil, Switzerland.

         "Jago Pharma" means Jago Pharma AG, a Swiss corporation, having a place
of business at Eptingerstrasse 51, CH-4132 Muttenz, Switzerland.

         "* Development  and Marketing  Agreement"  has the meaning  ascribed to
such term in the recitals above.

         "Know-how"  means  all  information  and data,  which is not  generally
known,  including,  but  not  limited  to,  formulae,   procedures,   protocols,
techniques,  preclinical  and clinical  developmental  and technical  data,  and
results of  experimentation  and testing,  which (a)(i)  relate to the GEOMATRIX
Technology  or the  Product,  or the  manufacture  or use of  same,  or (ii) are
necessary or useful to develop, make, use, sell or seek regulatory approval in a
country in the Territory to make, use or sell the Product, and (b) are developed
or acquired by or are under the control of a party to this Agreement.

         "Manufacturing   Cost"  shall  mean  the  cost  to  APOTHECON  and  its
Affiliates  of * by  APOTHECON  or such  Affiliates  in the  manufacture  of all
products  produced  in the  facility  or  facilities  in which  the  Product  is
manufactured.  If  the  Product  is  manufactured  in  whole  or in  part  by an
unaffiliated Third Party, the costs to be taken into account shall be the amount
paid to such Third Party plus any of the aforementioned  costs that are incurred
in completing the manufacture and delivery of the Product.

         "Net Sales" shall mean the  applicable  quantity of Product  times "Net
Sales  Price." It shall be  determined  at the point of sale from  APOTHECON (or
from such of its Affiliates to whom APOTHECON may sell such Product) to a Person
not Affiliated with APOTHECON.

         "Net Sales Price" of Product shall mean the invoiced sales price of the
Product billed to independent customers of APOTHECON who are not its Affiliates,
less (to the extent incurred and absorbed by APOTHECON or its  Affiliates):  (a)
credits, allowances,  discounts and rebates to, and chargebacks from the account
of, such  independent  customers for spoiled,  damaged,  out-dated,  rejected or
returned  Product;  (b) actual freight and insurance costs in  transporting  the
Product in final form to such customers; (c) cash, quantity and trade discounts,
rebates,  and other price  adjustments or price reduction  programs;  (d) sales,
use, value-added and other direct taxes,


- - - ------------------
*    Confidential treatment requested. The redacted material has been separately
     filed with the Commission.


                                      - 3 -


<PAGE>

or any other governmental charge imposed upon the production,  importation,  use
or sale of the Product;  (e) customs duties,  surcharges and other  governmental
charges in connection  with the  exportation  or  importation  of the Product in
final form; and (f) invoiced amounts with respect to the Product which are first
outstanding  and unpaid for * or more during the  applicable  reporting  period,
less such  invoiced  amounts  outstanding  and  unpaid  for * or more  which are
received or recovered during such reporting  period;  provided that such amounts
under  (f)  shall  not  exceed  *  of   APOTHECON   during   the  term   hereof.
Notwithstanding  the  foregoing,  if any  Product is sold under *  arrangements,
then, prior to the First Commercial Sale of such Product and thereafter promptly
following  the end of each  calendar  year,  APOTHECON  and GJT shall * the "Net
Sales Price' for sales of such Product under such *  arrangements.  Such formula
shall be based on such  factors  as the  parties * and shall  appropriately  and
equitably allocate a sales price to Product sold under such * arrangements.

         "Patent  Rights" shall mean (a) all patent  applications  heretofore or
hereafter  filed or having legal force in any country in the Territory  owned by
or licensed to GJT or its Affiliates or to which GJT or its Affiliates otherwise
acquires  rights,  which claim the GEOMATRIX  Technology or the Product,  or the
process  of  manufacture  or use of the  GEOMATRIX  Technology  or the  Product,
together  with any and all  patents  that  have  issued or in the  future  issue
therefrom,  including  utility,  model and design  patents and  certificates  of
invention,  including but not limited to those patent  applications  and patents
listed  on  Exhibit  1.1(ii)  hereto,  and (b) all  divisionals,  continuations,
continuations-in-part,    reissues,   renewals,    extensions,    substitutions,
confirmations or additions to any such patents and patent  applications;  all to
the extent and only to the extent  that GJT now has or  hereafter  will have the
right to grant licenses, immunities or other rights thereunder.

         " Person" shall mean an individual,  corporation,  partnership,  trust,
business  trust,   association,   joint  stock  company,  joint  venture,  pool,
syndicate,  sole  proprietorship,   unincorporated  organization,   governmental
authority, or any other form of entity not specifically listed herein.

         "Product"  shall  mean  a  pharmaceutical   composition   containing  *
(including  all commonly used and known salts and acids  thereof) which is an *,
and  which  incorporates,  is based on and is  derived  by use of the  GEOMATRIX
Technology.

         "Region  I" shall  mean all *, and  their  respective  territories  and
possessions.

         "Region  II"  shall  mean  all   countries  *,  and  their   respective
territories and possessions.

         "Region  III"  shall  mean *,  and  their  respective  territories  and
possessions.

         "Region  IV" shall  mean all other  countries  of the world  other than
those  located  in  Regions  I-III,   and  their   respective   territories  and
possessions.

         "Registration"   shall   mean  any  form  and  type  of   registration,
application,   permit,  license,   authorization,   approval,   presentation  or
notification being requested by any competent authorities, government or body in
a given  country  for the  manufacturing,  production,  marketing,  advertising,
distribution,  sale,  trade,  import,  export  or use of the  Products  of  such
authority,  government or body, and shall include all acts, steps, applications,
presentations,  statements  or other  things  which are  necessary  or useful to
obtain the foregoing.

         "Research and  Development  Costs" shall mean (a) the  following  costs
reasonably  incurred  by  GJT  relating  to  its  development  and  Registration
responsibilities hereunder for the Product: raw materials, energy, direct labor


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(salary  and  benefits)  and  reasonable  allocable  direct  (but not  indirect)
overhead  charges  relating to the development and  Registration of the Product,
plus (b)  reasonable  out-of-pocket  or other expenses paid or accrued by GJT to
any  Subcontractee  performing any portion of such development and Registration,
provided that expenses paid to an Affiliate  Subcontractee under this clause (b)
shall not exceed the amounts  required to be paid under the  GEOMATRIX  Research
and Development  Agreement.  All such costs shall be determined and allocated in
accordance with generally accepted accounting principles, consistently applied.

         "Royalty  Term" shall  mean,  with  respect to each  Product in a given
country in the  Territory in which the Product is sold by or through  APOTHECON,
the term for which a Valid  Patent Claim  remains in effect,  and which would be
infringed by the manufacture, use or sale of the Product in such country but for
the license rights granted to APOTHECON under this Agreement.

"Scale-Up"   shall  mean,   with   respect  to  the  Product  and  a  designated
Manufacturing  facility,  the process of  developing  a reliable  and  practical
method of manufacturing the Product in such designated manufacturing facility to
effectuate the orderly  transition from laboratory  production of the Product to
routine  full-scale  production  of the Product in such  designated  facility in
quantities necessary for commercial sale. Without limitation,  Scale-Up includes
(a)  installation,  evaluation  and validation of the necessary  equipment,  (b)
establishment,   evaluation,   validation  and  finalization  of  the  necessary
production and process  controls,  (c) demonstration of the ability to produce a
batch size of at least * of the  proposed  commercial  production  batch for the
Product  at such  facility,  (d)  demonstration  of  compliance  with all  other
applicable laws, regulations and good manufacturing practices, (e) production of
GMP bio-batches for pivotal  clinical trials,  and (f)  transposition to routine
full scale production.

         "Specifications"  of the  Product  shall have the  meaning set forth in
Section 4.2 of the * Development and Marketing Agreement.

         "Subcontractee" shall have the meaning ascribed to such term in Article
14 of the * Development and Marketing Agreement.

         "Territory" shall mean *.

         "Third  Party"  means  any  Person  other  than GJT or  APOTHECON,  and
includes  their  respective  Affiliates  and  sublicensees  except as  otherwise
specifically indicated.

         "Valid  Patent  Claim"  shall mean a claim of an issued  and  unexpired
patent included within the Patent Rights (or a claim under a patent  application
within the  Patent  Rights  that is being  diligently  prosecuted  by GJT or its
Affiliates),   which  has  not  been  held  permanently   revoked,  or  declared
unenforceable or invalid by a decision of a court or other  governmental  agency
of competent  jurisdiction,  .unappealable or unappealed within the time allowed
for  appeal,  and which has not been  admitted  to be invalid  or  unenforceable
through reissue or disclaimer or otherwise (other than as required by applicable
law to initiate the reissue of a patent).

         "Validated  Manufacturing  Scale-Up"  shall mean,  with  respect to the
Product and a designated Manufacturing facility, a reliable and practical method
of  manufacturing  the Product in such  designated  manufacturing  facility  for
routine  full-scale  production  of the Product in such  designated  facility in
quantities   necessary  for  commercial  sale.  Without  limitation,   Validated
Manufacturing  Scale-Up includes (a) installation,  evaluation and validation of
the  necessary  equipment,   (b)  establishment,   evaluation,   validation  and
finalization of the necessary  production and process  controls,  (c) successful
demonstration  and validation of the ability to produce GMP batch sizes equal to
one hundred percent (100%) of the proposed  commercial  production batch for the
Product  at such  facility,  (d)  demonstration  of  compliance  with all  other
applicable  laws,  regulations  and  good  manufacturing   practices,   and  (e)
transposition to routine full scale production.


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                                    ARTICLE 2
                               OWNERSHIP OF RIGHTS

       2.1    Ownership of Rights. GJT represents and warrants that:

              2.1.1  (a) it has the  exclusive  license  under all rights of any
                     nature regarding the Patent Rights which are the subject of
                     the license granted under Article 3 below, and

                     (b)    it has the right to use,  and to grant the  licenses
                            hereunder to use, the Know-how  which is the subject
                            of the license granted under Article 3 below,

              in each case, whether protected or not by any valid registrations,
              approvals or by any law or contract, and

                  2.1.2 it has not assigned, conveyed or otherwise encumbered by
         any agreement,  either oral or written, any right, title or interest in
         and to the Patent Rights or Know-how which would be  inconsistent  with
         the rights granted APOTHECON hereunder.

         2.2 No Taking  Subject To. Except as may be expressly set forth in this
Agreement,  any sublicense or other rights granted  APOTHECON  hereunder are not
subject to the terms and  conditions of the  GEOMATRIX  License  Agreement,  the
GEOMATRIX Manufacturing License Agreement, the GEOMATRIX Supply Agreement or the
GEOMATRIX Research and Development  Agreement,  and APOTHECON shall not be bound
by any obligations or undertakings of GJT under any of the aforesaid Agreements.

         2.3      Enforcement of GEOMATRIX Agreements.  [Intentionally omitted].


                                    ARTICLE 3
              GRANT OF LICENSE; BACK-UP SUPPLY; CONSENT AND WAIVER

         3.1 Grant of License.  GJT hereby  grants to  APOTHECON  and  APOTHECON
accepts, upon the terms hereinafter set forth:

              3.1.1 a * license, with the right to grant sublicenses,  under the
       Patent Rights and Know-how,  to research and develop  Products for use in
       the  Territory  in  accordance  with  the  *  Development  and  Marketing
       Agreement and this Agreement; and

              3.1.2 an exclusive  license,  with the right to grant sublicenses,
       under the Patent Rights and Know-how, to use, distribute, market and sell
       Products in the Territory; and

              3.1.3 subject to section 3.5 hereof, 8 license,  with the right to
       grant sublicenses,  under the Patent Rights and Know-how to make and have
       made the Product in the United  States (or in its  possessions  or Puerto
       Rico) for use or sale in the Territory.

Such rights shall continue until terminated in accordance with the terms of this
Agreement.

         3.2  Supply of Product. [Intentionally omitted.]

         3.3  Other Suppliers. [Intentionally omitted].

         3.4  Initiation of Back-up Supply. [Intentionally omitted.]


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         3.5 Sublicenses to Certain Third Parties.  Notwithstanding  anything to
the contrary in this  Agreement,  APOTHECON  shall not  sublicense any right and
license  granted  hereunder  to any  unaffiliated  Third  Party in order to make
Product  whose  research  and  development   programs  are  primarily  based  on
controlled release-formulation  technology, without the prior written consent of
GJT (not to be unreasonably withheld).  APOTHECON shall deliver to GJT a copy of
each  sublicense  under  the  Agreement  within  ten (10)  business  days  after
execution   thereof   (except  that  financial  and  marketing   provisions  and
information may be redacted), which GJT shall maintain in confidence pursuant to
Article 10 below. Any sublicense shall be subject to the terms and conditions of
the  Agreement,  and any  sublicensee  shall  be bound  by all  obligations  and
undertakings of APOTHECON hereunder (as they relate to the sublicensed rights).

         3.6  Consent  and  Waiver  Agreements.  As  a  material  inducement  to
APOTHECON's   willingness  to  enter  into  this  Agreement,   GJT  will  cause,
contemporaneously with the execution and delivery of this Agreement, each of the
Consent and Waiver  Agreements  in the form  attached as Exhibits  3.6  (i)-(iv)
hereto to be executed and delivered to APOTHECON.

         3.7  Opinions  of Counsel.  Contemporaneously  with the  execution  and
delivery  of this  Agreement,GJT  will  deliver  opinions  of counsel to itself,
Jagotec and Jago Pharma AG, and an opinion of counsel to Genta Incorporated,  in
form and substance satisfactory to APOTHECON.


                                    ARTICLE 4
                               PRODUCT DEVELOPMENT

         4.1 Information  Exchange.  Promptly following the Effective Date, each
party agrees, subject to conflicting third party rights, to promptly furnish the
other in writing all technical  information  and  preclinical  and clinical data
developed or acquired  relating to the Product in the control or possession of a
party,  including all information in the nature of improvements or modifications
to the aforesaid and all toxicological, analytical, chemical data, and the like.
All such information  exchanged shall be treated as Confidential  Information of
the  disclosing  party  in  accordance  with  the *  Development  and  Marketing
Agreement.

         4.2      Product Specifications.  [Intentionally omitted].

         4.3      APOTHECON Product Development Duties. [Intentionally omitted.]

         4.4      GJT Product Development Duties.  [Intentionally omitted.]

         4.5      Development and Registration Reports. [Intentionally omitted].

         4.6      Development Cost Funding. [Intentionally omitted].


                                    ARTICLE 5
                        MANUFACTURE AND SUPPLY OF PRODUCT

         5.1      Manufacture.  [Intentionally omitted].

         5.2      Product Registrations.  [Intentionally omitted]

         5.3      Manufacturing   and   Registration   Reports.   [Intentionally
                  omitted]

         5.4      Product Purchase.  [Intentionally omitted].


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         5.5      Acceptance; Rejection of Initial Launch Quantity of Product in
                  Case of Non-Conformity. [Intentionally omitted.]

         5.6      Process Changes.  [Intentionally omitted].

         5.7      Warranties.  [Intentionally omitted.

         5.8      Inspection.  [Intentionally omitted].

         5.9      [Intentionally omitted]

         5.10     Payment Terms. [Intentionally omitted.]


                                    ARTICLE 6
                                    MARKETING

         6.1      Packaging and Labeling.  Intentionally omitted].

         6.2      Commercialization.

                  6.2.1 Subject to Sections 6.2.4 and 6.2.5 below,  in the event
         that APOTHECON in the exercise of its sole  discretion does not, either
         through itself or an Affiliate,  within * of the Product *, register or
         file for regulatory approval to market the Product

                           i)       *,
                           ii)      *, and
                           iii)     *

         APOTHECON's  * where  APOTHECON  failed to so register or file for such
         regulatory  approval,  unless  APOTHECON  demonstrates why such filings
         were not commercially feasible.

                  6.2.2 Subject to Sections 6.2.4 and 6.2.5, APOTHECON exclusive
         rights under  section 3.1.2 shall,  at GJT's option,  be converted to *
         with respect to all  countries  located in a particular  Region  within
         Regions  I,  II,  III  or  IV  where,   having   made  the  filings  or
         registrations  required to be made under section 6.2.1 to maintain such
         exclusivity  in  any  such  Region,   APOTHECON   thereafter  fails  to
         diligently  prosecute  and  pursue  such  regulatory  approval  for the
         marketing of the Product for the number of (or specifically designated)
         countries indicated in 6.2.1(i)-(iii) above (and with respect to Region
         I, in the United States),  unless APOTHECON demonstrates why continuing
         such prosecution was not commercially feasible.

                  6.2.3 Upon  obtaining all applicable  Registrations  to market
         the Product for the number of (or  specifically  designated)  countries
         indicated in 6.2.1(i)-(iii)  above for a given Region (and with respect
         to  Region  I,  in  the  United   States),   APOTHECON  shall  use  its
         commercially  reasonable  efforts to market,  or to cause the marketing
         and  sales  of,  the  Product  for  the  number  of  (or   specifically
         designated)  countries  indicated in  6.2.1(i)-(iii)  above for a given
         Region  (and with  respect to Region I, in the United  States),  for so
         long a period of time as APOTHECON  considers it commercially  feasible
         to do so for such country(ies) in such Region. APOTHECON may, but shall
         not be required,  to consult  with GJT  regarding  marketing  and sales
         strategies  developed  and  applied by  APOTHECON.  APOTHECON  shall be
         responsible for all


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<PAGE>

         costs of  marketing  and sales of Products  incurred by it.  Subject to
         Section 6.2.4, if APOTHECON ceases to use its  commercially  reasonable
         efforts to market, or cause the marketing and sales of, the Product for
         the number of (or specifically designated) countries indicated in 6.2.1
         (i)-(iii)  above for a given  Region (and with  respect to Region I, in
         the United States), and if substantial steps are not taken by APOTHECON
         to reverse same  (should such  efforts,  in fact,  have ceased)  within
         sixty (60) days  following  receipt by APOTHECON of written notice from
         GJT  stating  that it  believes  such  efforts  to have  ceased,  then,
         provided,  that  APOTHECON  ceased such  efforts and that it intends to
         pursue  conversion of APOTHECON's  exclusive rights under section 3.1.2
         to * with respect to such Region,  such rights shall,  at GJT's option,
         be so converted.

                  6.2.4  Prior to any  conversion  of  APOTHECON's  rights  from
         exclusive  to *, as provided for in each of Sections  6.2.1-6.2.3,  GJT
         shall give  APOTHECON  written  notice of its intention Dto do so and a
         detailed statement of the reasons therefor.  APOTHECON shall have sixty
         (60) days thereafter to reply in writing as to whether it will go along
         with or disagrees with the proposed conversion. If APOTHECON disagrees,
         it will  provide a detailed  statement  of its  reasons  therefor.  The
         parties will meet and confer within 30 days  thereafter to determine if
         the difference can be resolved. If not so resolved,  the matter will be
         referred for  resolution  pursuant to the  arbitration  procedures  set
         forth herein.

                  6.2.5 An  election  by GJT to  convert  APOTHECON's  exclusive
         rights to * under any of sections  6.2.1-6.2.3  shall be GJT's sole and
         exclusive  remedy,  and GJT shall be deemed to have released and waived
         any claims or other  causes of action,  for and with respect to any and
         all  damages  of any type or  nature  whatsoever  arising  out of or in
         connection  with the acts or omissions  of APOTHECON or its  Affiliates
         entitling GJT to so convert.

         6.3      Covenant Not to License a Competitor. [Intentionally omitted]

         6.4      Adverse Drug Reactions.  [Intentionally omitted]

         6.5      Product Recall.  [Intentionally omitted].


                                    ARTICLE 7
                         MILESTONE AND ROYALTY PAYMENTS

         7.1      Additional Payments.  Subject to Article 11 hereof:

                  7.1.1  If  the  Product  is  the *  with  the  Product),  then
         APOTHECON shall pay to GJT an *.

                  7.1.2 Upon demonstration of * to GJT; provided,  that * at the
         date of such demonstration.

         7.2      Royalties.  Subject to Article 11 hereof and to sections 4.7.2
                  and  8.4  of  the  *  Development  and  Marketing   Agreement,
                  Apothecon will pay GJT royalties of * during the Royalty Term,
                  subject to the following:

                  7.2.1 * on Product samples distributed by APOTHECON,  it being
         understood  that such  samples  will be  limited  to use  primarily  in
         situations involving promotional photograph


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and account demonstrations necessary to secure sales contracts, and will not, in
any event, exceed *.

                  7.2.2 If * in such country in the Territory, less the sum of

                           (i) packaging (in final form) and labeling  costs for
                  the dosage form of the Product (with such costs,  for purposes
                  of *, * plus

                           (ii) actual net distribution costs for the Product in
                  such country,  with such * has been  approved for marketing in
                  such country).  Actual net  distribution  costs are defined as
                  * distribution costs for the Product in such country *, plus

                          (iii) APOTHECON's  actual  Manufacturing Costs for the
                  Product  sold in such  country,  other than the costs  already
                  taken into account under subsections  7.2.2(i) and (ii) above;
                  provided, however, that for purposes of only, APOTHECON agrees
                  that its actual  Manufacturing  Costs for the  Product  will *
                  following First  Commercial  Sale in the United States,  by an
                  amount  equal to the  percentage  change from the  immediately
                  preceding  January 1 in the Consumer Price Index for All Urban
                  Consumers,  All Items (1986 = 100) (the "Index"), as published
                  by the  U.S.  Department  of  Labor  (or  successor  index  or
                  department).

                  7.2.3 All  royalties  shall  cease for a given  country in the
         Territory upon the first to occur of the following:  (i) the expiration
         of the Royalty Term in such country; (ii) when the Product is no longer
         being marketed by or through  APOTHECON in such country;  or (iii) upon
         termination of this Agreement with respect to such country.

                  7.2.4 If the royalty rate  specified in the  Agreement  should
         exceed  the  permissible   rate  established  in  any  country  in  the
         Territory,  the  royalty  rate for Net Sales in such  country  shall be
         adjusted  to the highest  legally  permissible  or  government-approved
         rate.

         7.3      Payment: Records; Audits

                  7.3.1 Payment;  Reports.  All royalty  payments due under this
         Agreement  shall be paid in U.S.  dollars  within 60 days of the end of
         each calendar quarter,  unless otherwise  specifically provided herein.
         Each payment of royalties shall be accompanied by a report of Net Sales
         of Products in sufficient detail to permit confirmation of the accuracy
         of the royalty payment made.

                           7.3.1.1  Exchange Rate;  Manner and Place of Payment.
                  Royalty  payments and reports due  pursuant to this  Agreement
                  shall be calculated  and reported for each  calendar  quarter.
                  Exchange  conversion  of foreign  payments  into U.S.  Dollars
                  shall be made as necessary at the rate of exchange reported in
                  The Wall  Street  Journal as of the end of the fourth  banking
                  day preceding the end of the applicable royalty period or, for
                  payments other than royalty  payments,  the fourth banking day
                  preceding  the date of payment.  All payments  owed under this
                  Agreement  shall be made by wire  transfer,  unless  otherwise
                  specified by the receiving party.

                           7.3.1.2 Late Payments. In the event that any payment,
                  including  royalty,   milestone  and  research  payments,  due
                  hereunder  is not made  when due,  the  payment  shall  accrue
                  interest from


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                  * ;  provided  that in no event  shall  such rate  exceed  the
                  maximum  legal  annual  interest  rate.  The  payment  of such
                  interest  shall not limit any party from  exercising any other
                  rights it may have as a  consequence  of the  lateness  of any
                  payment.

                  7.3.2 Records and Audit. During the term of this Agreement and
         for a period of two  years  thereafter,  the  parties  shall  each keep
         complete and accurate records pertaining to the development of Products
         and sale or other  disposition  of  Products  in  sufficient  detail to
         permit the other party to confirm the accuracy of all payments and cost
         reimbursements due hereunder. Each party shall have the right to have a
         representative  (including an independent,  certified public accountant
         if so designated by a party) to audit such books and records to confirm
         (i) in the case of APOTHECON, its books and records pertaining to Gross
         Sales,  Net  Sales and  royalty  and  other  payments  due for the then
         current year and the two preceding  years, and (ii) in the case of GJT,
         its books and  records  pertaining  to any costs or other  charges  for
         which it seeks payment or reimbursement  hereunder.  Such audits may be
         exercised  during normal business hours not more frequently than once a
         year upon notice to such other party.  The party  requesting  the audit
         shall bear the full cost of such audit  unless  such audit  discloses a
         variance of * due under this Agreement. In such case, the audited party
         shall bear the full cost of such audit. The terms of this Section shall
         survive any termination or expiration of this Agreement for a period of
         *.

                  7.3.3 Taxes.  All  turnover,  income and other taxes levied on
         account of the  royalties  and other  payments  accruing  to each party
         under this Agreement  shall be paid by the party receiving such royalty
         or other payment for its own account, including taxes levied thereon as
         income to the receiving party.

         7.4 Exchange  Control.  If at any time legal  restrictions  prevent the
prompt remittance of part or all royalties, purchase price for Product, or other
payments due hereunder,  APOTHECON shall have the right, in its sole discretion,
to make such  payments by  depositing  the amount  thereof in local  currency to
GJT's account in a bank or other depository institution in such country imposing
such restrictions.

         7.5  Withholding  Taxes.  If provision is made in law or regulation for
withholding  of taxes of any type,  levies or other  charges with respect to any
royalty or other  amounts  payable  under this  Agreement  to any party or other
Person, the party making such payment shall be entitled to deduct such tax, levy
or charge from the royalty or other  payment to be made by the party making same
and pay such tax,  levy or charge to the proper taxing  authority.  A receipt of
payment of the tax, levy or charge  secured  shall be promptly  delivered to the
party  entitled to the  royalty or other  payment,  together  with copies of all
pertinent communications from or with such governmental authorities with respect
thereto.  Each party agrees to assist the other party in claiming exemption from
such deductions or withholdings  under any double taxation or similar  agreement
or treaty from time to time in force and in minimizing the amount required to be
so withheld or deducted.


                                    ARTICLE 8
                                  PATENT RIGHTS

                             [Intentionally omitted]


                                    ARTICLE 9
                                   TRADEMARKS

         9.1 GEOMATRIX Trademark. The GEOMATRIX trademark, as licensed to GJT by
Jagotec as of the date hereof,  shall remain the sole and exclusive  property of
GJT or Jagotec,  as the case may be. APOTHECON shall not, directly or indirectly
through its officers,  directors,  employees,  agents, Affiliates,  customers or
other Persons, acquire any proprietary interest or other right to such GEOMATRIX
trademark,  other  than  as  provided  in  the  Agreement.  Notwithstanding  the
foregoing, GJT grants to APOTHECON a non-exclusive, royalty-free


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license (including the right to grant sublicenses in the same manner as provided
herein for the  GEOMATRIX  patent  rights) to use such  GEOMATRIX  trademark  in
connection  with, and for the  development,  use and sale of, the Products under
the Agreement.  GJT shall control,  at its sole expense,  the prosecution of any
litigation  or other  action to abate  the  unauthorized  use of such  GEOMATRIX
trademark,  and the  defense  of any  claim in any  litigation  or other  action
alleging that the use of such  GEOMATRIX  trademark  infringes the rights of any
Third Party.  A list of such GEOMATRIX  Trademarks for the Territory  covered by
this Agreement are set forth on Exhibit 9.1 hereto.

         9.2 Registration of Other  Trademarks.  APOTHECON shall have the right,
in its sole discretion and expense, to register and maintain other trademarks of
its choice to be used in  connection  with the Products.  Such other  trademarks
shall be held in the name of APOTHECON.

         9.3 Use of GEOMATRIX Trademark.  APOTHECON shall be entitled to use, as
it considers appropriate in the exercise of its sole and absolute discretion and
without  being  obligated  in any way,  expressly  or  impliedly  to do so,  the
GEOMATRIX  trademark on the label for the Product.  APOTHECON  agrees to use the
GEOMATRIX  trademark  in an  appropriate  manner  in print  advertising  for the
Product and in the package insert for the Product,  it being understood that the
APOTHECON name and marks and the Bristol-Myers Squibb names and marks shall have
preeminence.   APOTHECON  may  also  use  such  other  trademarks  as  it  deems
appropriate in connection with the development, use, distribution, marketing and
sale of the  Products.  Except as  otherwise  set forth in the  Agreement  or as
otherwise  agreed to in writing by GJT,  APOTHECON  shall not use such GEOMATRIX
trademark and such other trademarks in any manner  whatsoever which infringe the
trademarks or other rights owned by GJT or its Affiliates.


                                   ARTICLE 10
                                 CONFIDENTIALITY

                             [Intentionally omitted]


                                   ARTICLE 11
                              TERM AND TERMINATION

         11.1 Term. This Agreement  shall commence  effective upon the Effective
Date. The Agreement shall continue until terminated upon the earlier to occur of
the  following:  (i)  pursuant  to Section  11.2 below,  (ii) by mutual  written
agreement,  or (iii) on a  country-by-country  basis in the  Territory  upon the
expiration of the Royalty Term in such country.

         Upon  termination of this Agreement,  in whole or in part,  pursuant to
section 11.1(ii), the parties will determine the disposition of rights hereunder
as part of such mutual termination.  Upon expiration of this Agreement as to any
country in the Territory under Section 11.1(iii) above,  APOTHECON shall have an
irrevocable, perpetual, fully paid-up and royalty-free,  non-exclusive right and
license to use the Know-how in order to develop,  make,  have made, use and sell
Products in such country.

         11.2  Termination.  This Agreement may be terminated in accordance with
any of the following (all of which may be exercised independently of the other):

                  11.2.1 Termination  Without Cause.  APOTHECON may elect at any
         time, for any reason and without cause, to terminate this Agreement, in
         whole or in part as to one or more  countries,  upon  sixty  (60)  days
         written notice to GJT:

                           11.2.1.1  If *  elects  to so  terminate  under  this
                  section  11.2.1  prior to  filing  of the  ANDA in the  United
                  States, then: (i) such termination shall be *


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<PAGE>

                  to *; (ii) all rights and  licenses  granted by GJT  hereunder
                  shall * with  respect  to  such  country(ies)  so  terminated,
                  provided, further, that if * so elects to terminate under this
                  section  11.2.1  in the  United  States,  it shall be deemed a
                  termination  as to the *; (iii) * of any * that are  scheduled
                  or may be  made  in the  future  under  sections  4.6 of the *
                  Development  and  Marketing  Agreement and 7.1 hereof (and the
                  subsections  thereunder),  provided that such  termination  is
                  exercised  with  respect  to  the  United  States;   (iv)  all
                  Registrations pertaining to the marketing of the Product shall
                  be * as to the  affected  country(ies)  and the * under  the *
                  Development  and Marketing  Agreement shall be provided to and
                  thereafter  may be * to  develop,  manufacture  and market the
                  Product; (v) the * Development and Marketing Agreement shall *
                  with respect to the  development  and marketing of the Product
                  in such  country(ies);  and  (vi) * and its  Affiliates  shall
                  thereafter  be entitled  to  exercise  such rights as they may
                  have under the GEOMATRIX Agreements to make, have made, use or
                  sell the Product in the  country(ies)  so  terminated  without
                  compensation or obligation to *; provided,  that the foregoing
                  rights under (iv) and (vi) shall not create or imply any right
                  or  license  under  any  patent  rights,   copyright   rights,
                  trademarks  or trade names,  know-how,  or other  intellectual
                  property rights owned or controlled by * or its Affiliates.

                  11.2.1.2 If * elects to so terminate this Agreement under this
                  section 11.2.1 subsequent to the * in the United States, then:
                  (i) such  termination  shall  be to *;  (ii)  all  rights  and
                  licenses  granted by * hereunder  shall * with respect to such
                  country(ies)  so terminated;  (iii) * shall be relieved of any
                  payments that are scheduled or may be made in the future under
                  section 7.1 hereof and section  4.6 of the *  Development  and
                  Marketing Agreement (and the subsections thereunder), provided
                  that such  termination is exercised with respect to the United
                  States; (iv) * and its Affiliates shall thereafter be entitled
                  to  make,   have  made,   use  or  sell  the  Product  in  the
                  country(ies) so terminated (and, provided,  that the foregoing
                  shall  not  create or imply  any  right or  license  under any
                  patent rights,  copyright  rights,  trademarks or trade names,
                  know-how,  or  other  intellectual  property  rights  owned or
                  controlled by * or its Affiliates);  (v) the * Development and
                  Marketing  Agreement  shall  terminate  with  respect  to  the
                  development and marketing of the Product in such country(ies);
                  (vi) all Registrations pertaining to the Product shall be * as
                  to the affected country(ies) and the * under the * Development
                  and Marketing  Agreement  shall be provided to and  thereafter
                  may be * to develop,  manufacture and market the Product;  and
                  (vii) * shall pay to * the same *, which  shall be paid in the
                  same  manner and subject to the same terms and  conditions  as
                  would  otherwise have applied to *, as * would  otherwise have
                  paid (absent such termination)  hereunder to * (or on the * of
                  such *, as the case may be) of the Product in the country(ies)
                  to which such  termination  applies (with such * to be paid by
                  GJT and its  Affiliates in each such country until  expiration
                  of the Royalty Term in each such country),  until such time as
                  the * paid to * equal the aggregate  amount that had been paid
                  by * to *  prior  to  such  termination  under  the  aforesaid
                  sections  4.6 and 7.1 (and  the  subsections  thereunder),  at
                  which time the *.

                  11.2.2  Termination for Default.  Except as otherwise provided
                  in Article 13 below,  upon or after the breach of any material
                  provision  of the  Agreement  by a party  (unless such failure
                  results from, or is caused by,  adherence  required by a party
                  to  applicable  laws  or  governmental  regulations),  if  the
                  breaching  party has not cured such breach  within  sixty (60)
                  days after notice thereof by the other party, the nonbreaching
                  party may terminate this Agreement;  provided, however, if any
                  default  is not  capable of being  cured  within  such  60-day
                  period and the breaching  party has  diligently  undertaken to
                  cure such default  within such 60-day  period and continues to
                  take diligent steps to cure same as soon as commercially


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*    Confidential treatment requested. The redacted material has been separately
     filed with the Commission.


                                     - 13 -


<PAGE>

         feasible  thereafter under the  circumstances,  the nonbreaching  party
         shall have no right to terminate the Agreement.

         In cases  where  the  breach  involves  an act or  omission  by a party
         specifically   and  directly   relating  to  a  country  or  countries,
         termination  shall be limited to the country or  countries  affected by
         such breach, as opposed to termination of the entire Agreement, and the
         remedies listed in section  11.2.2.1-11.2.2.4 below shall be limited to
         such country or countries.

                  11.2.2.1 If GJT breaches this Agreement prior to the date that
                  initial commercial launch occurs in the United States and in a
                  manner that entitles * to terminate this Agreement pursuant to
                  this  section  11.2.2,  then,  if * elects to  terminate  this
                  Agreement: (i) all rights and licenses granted to * under this
                  Agreement shall revert to GJT; (ii) no further  payments shall
                  be due from * with  respect to any of the  milestones  not yet
                  paid that are set forth in  Section  4.6 of the *  Development
                  and  Marketing  Agreement  and  section  7.1  hereof  (and the
                  subsections thereunder); (iii) the * Development and Marketing
                  Agreement  shall terminate with respect to the development and
                  marketing  of the  Product  in  such  country(ies);  (iv)  all
                  Registrations  pertaining  to the Product shall be * as to the
                  affected  country(ies)  and the * under the * Development  and
                  Marketing Agreement shall be provided to and thereafter may be
                  * to develop,  manufacture  and market the Product  (provided,
                  that the  foregoing  shall  not  create  or imply any right or
                  license under any patent rights, copyright rights,  trademarks
                  or  trade  names,  know-how,  or other  intellectual  property
                  rights  owned or  controlled  by * or its  Affiliates);  (v) *
                  shall  pay to * the  same *,  which  shall be paid in the same
                  manner and subject to the same terms and  conditions  as would
                  otherwise  have applied to *, as * would  otherwise  have paid
                  (absent such termination)  hereunder to * (or on the * of such
                  *, as the case may be) of the Product in the  country(ies)  to
                  which such  termination  applies  (with such * to be paid by *
                  and its  Affiliates  until  expiration  of the Royalty Term in
                  each such  country),  until such time as the * paid to * equal
                  the  aggregate  amount that had been paid by * to GJT prior to
                  such  termination  under  said  sections  4.6 and 7.1 (and the
                  subsections thereunder), at which time the * from time to time
                  thereafter;   and  (vi)  such  termination  shall  be  without
                  prejudice  to any other  rights  or  remedies  available  to *
                  arising from such breach.

                           11.2.2.2 If GJT breaches this Agreement subsequent to
                  the date that initial  commercial  launch occurs in the United
                  States and in a manner that  entitles  APOTHECON  to terminate
                  this  Agreement  pursuant to this  section  11.2.2,  then,  if
                  APOTHECON  elects  to  terminate  this  Agreement,   then  the
                  provisions of  subsections  11.2.2.1  (i)-(vi) apply as though
                  fully set forth herein.

                           11.2.2.3 If APOTHECON  breaches this Agreement  prior
                  to the date  that  initial  commercial  launch  occurs  in the
                  United  States and in manner that  entitles  GJT to  terminate
                  this Agreement  pursuant to this section 11.2.2,  then GJT may
                  elect either:

                                    (A) to  pursue  all  claims  and  causes  of
                                    action  available  to it at law or in equity
                                    for such breach, or

                                    (B) to terminate  this  Agreement,  in which
                                    event:  (i) * shall be  deemed  to waive and
                                    release  all  claims  and  causes  of action
                                    available to it at law or in equity for such
                                    breach,   and  such  termination   shall  be
                                    without  penalty or liability to *; (ii) all
                                    rights  granted  by *  hereunder  (including
                                    without  limitation  under  Articles 3 and 9
                                    hereof)   shall  *  with   respect  to  such
                                    country(ies) so terminated; (iii) *


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*    Confidential treatment requested. The redacted material has been separately
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                                     - 14 -


<PAGE>

                                    will be relieved of any * that are scheduled
                                    or may be made in the future  under  section
                                    4.6  of  the  *  Development  and  Marketing
                                    Agreement  and  section  7.1 hereof (and the
                                    subsections     thereunder);     (iv)    all
                                    Registrations pertaining to the marketing of
                                    the  Product  shall  be as to  the  affected
                                    country(ies)   and   the  *   under   the  *
                                    Development and Marketing Agreement shall be
                                    provided  to  and  thereafter  may be * * to
                                    develop, manufacture and market the Product;
                                    (v)   the  *   Development   and   Marketing
                                    Agreement  shall  terminate  with respect to
                                    the development and marketing of the Product
                                    in  such  country(ies);  and  (vi) * and its
                                    Affiliates shall thereafter be entitled to *
                                    as  they  may  have   under  the   GEOMATRIX
                                    Agreements to make,  have made,  use or sell
                                    the   Product   in   the   country(ies)   so
                                    terminated    without     compensation    or
                                    obligation   to  *;   provided,   that   the
                                    foregoing  rights  under (iv) and (vi) shall
                                    not  create or imply  any  right or  license
                                    under any patent rights,  copyright  rights,
                                    trademarks   or   trade   names,   or  other
                                    intellectual   property   rights   owned  or
                                    controlled by * or its Affiliates.

                           11.2.2.4  If  APOTHECON   breaches   this   Agreement
                  subsequent to the date that initial  commercial  launch occurs
                  in the  United  States  and in  manner  that  entitles  GJT to
                  terminate this Agreement pursuant to this section 11.2.2, then
                  GJT may elect either:

                                    (A) to  pursue  all  claims  and  causes  of
                                    action  available  to it at law or in equity
                                    for such breach, or

                                    (B) to terminate  this  Agreement,  in which
                                    event:  (i) * shall be  deemed  to waive and
                                    release  all  claims  and  causes  of action
                                    available to it at law or in equity for such
                                    breach,   and  such  termination   shall  be
                                    without  penalty or liability to *; (ii) all
                                    rights and licenses granted by GJT hereunder
                                    shall * with respect to such country(ies) so
                                    terminated; (iii) * shall be relieved of any
                                    * that are  scheduled  or may be made in the
                                    future under  section 7.1 hereof and section
                                    4.6  of  the  *  Development  and  Marketing
                                    Agreement (and the subsections  thereunder),
                                    provided that such  termination is exercised
                                    with  respect to the United  States;  (iv) *
                                    and  its  Affiliates   shall  thereafter  be
                                    entitled to make, have made, use or sell the
                                    Product in the  country(ies)  so  terminated
                                    (and, provided, that the foregoing shall not
                                    create or imply any right or  license  under
                                    any   patent   rights,   copyright   rights,
                                    trademarks  or  trade  names,  know-how,  or
                                    other intellectual  property rights owned or
                                    controlled by * or its Affiliates);  (v) the
                                    * Development and Marketing  Agreement shall
                                    terminate  with  respect to the  development
                                    and   marketing   of  the  Product  in  such
                                    country(ies);    (vi)   all    Registrations
                                    pertaining  to the Product  shall be * as to
                                    the  affected  country(ies)  and the * under
                                    the * Development  and  Marketing  Agreement
                                    shall be provided to and thereafter may be *
                                    to  develop,   manufacture  and  market  the
                                    Product; and (vii) * shall pay to * the same
                                    *,  which  shall be paid in the same  manner
                                    and subject to the same terms and conditions
                                    as would  otherwise  have applied to *, as *
                                    would   otherwise  have  paid  (absent  such
                                    termination)  hereunder to * (or on the * of
                                    such *, as the case  may be) of the  Product
                                    in   the    country(ies)   to   which   such
                                    termination  applies (with such * to be paid
                                    by * and its Affiliates in each such country
                                    until expiration of the Royalty Term in each
                                    such country), until such time as the * paid
                                    to


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*    Confidential treatment requested. The redacted material has been separately
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                                     - 15 -


<PAGE>

                                    * equal the  aggregate  amount that had been
                                    paid  by * to * prior  to  such  termination
                                    under  the  aforesaid  sections  4.6 and 7.1
                                    (and the subsections  thereunder),  at which
                                    time the *.

                  11.2.3 Termination for Failure to Meet Milestones.

                           11.2.3.1 If all bioequivalence  testing,  all pivotal
                  clinical  and  bioequivalence  studies  shall  not  have  been
                  completed,  and Validated  Manufacturing Scale-Up capabilities
                  (bio-batches)  for the Product  shall not have been  completed
                  and demonstrated to APOTHECON's reasonable satisfaction,  * so
                  as to enable  manufacture  and marketing of the Product in the
                  United States and other major markets designated by APOTHECON,
                  and  APOTHECON is not  otherwise  entitled to  terminate  this
                  Agreement pursuant to any other provision of this Article 11:

                                    a)   APOTHECON   will   have  the  right  to
                                    immediately  terminate this Agreement at any
                                    time thereafter until *, or

                                    b) allow  additional time for the completion
                                    and demonstration of same until *.

                  If APOTHECON  elects to terminate  this Agreement with respect
                  to one or more  countries  pursuant to option (a) above,  then
                  the provisions of section 11.2.1.2(i)-(vii),  inclusive, shall
                  apply.

                  If  APOTHECON  elects  not  to  terminate  this  Agreement  in
                  accordance  with (a) above,  then all payments due after under
                  section  7.1  hereof  shall  be * shall  not  apply if (A) the
                  failure to so  demonstrate  and complete the foregoing was due
                  to * failure to use all reasonable  efforts to Scale-up and to
                  manufacture  adequate  quantities of  conforming  Product on a
                  timely basis (and * shall have given reasonable advance notice
                  of its requirements)  and/or failure to comply in all material
                  respects  with the  Specifications  and  written  instructions
                  provided * with respect to the use of the GEOMATRIX Technology
                  in connection with the  manufacture of the Product,  and (B) *
                  shall have fulfilled its obligations hereunder in all material
                  respects  with respect to the transfer and training in the use
                  of the GEOMATRIX Technology.

                           11.2.3.2  If,  notwithstanding  APOTHECON's  election
                  under section  11.2.3.1(b) above, all bioequivalence  testing,
                  all pivotal clinical and bioequivalence studies shall not have
                  been   completed,   and   Validated   Manufacturing   Scale-Up
                  capabilities (bio-batches) for the Product shall not have been
                  completed   and   demonstrated   to   APOTHECON's   reasonable
                  satisfaction,  by * so as to enable  manufacture and marketing
                  of the Product in the United  States and other  major  markets
                  designated  by  APOTHECON,  and  APOTHECON  is  not  otherwise
                  entitled to  terminate  this  Agreement  pursuant to any other
                  provision of this Article 11, then APOTHECON shall be entitled
                  to elect,  at any time within  thereafter,  to terminate  this
                  Agreement,   in  which   event  the   provisions   of  section
                  11.2.1.2(i)-(vii), inclusive, shall apply.

                  If  APOTHECON  elects  not  to  terminate  this  Agreement  in
                  accordance with this section 11.2.3.2,  then * shall not apply
                  if  (A)  the  failure  to  so  demonstrate  and  complete  the
                  foregoing was due to * failure to use all  reasonable  efforts
                  to  Scale-up  and  to  manufacture   adequate   quantities  of
                  conforming  Product on a timely  basis (and * shall have given
                  reasonable advance notice of its requirements) and/or


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<PAGE>

                  failure  to  comply  in  all   material   respects   with  the
                  Specifications  and  written  instructions   provided  *  with
                  respect to the use of the  GEOMATRIX  Technology in connection
                  with the  manufacture  of the  Product,  and (B) * shall  have
                  fulfilled its obligations  hereunder in all material  respects
                  with  respect to the  transfer  and training in the use of the
                  GEOMATRIX Technology.

                  11.2.4   Other Termination.

                           11.2.4.1  Termination for  Misrepresentation.  In the
                  event that a  representation  or warranty of GJT  hereunder is
                  untrue in any material respect, APOTHECON shall be entitled to
                  terminate this Agreement upon thirty (30) days' written notice
                  to GJT. If APOTHECON  elects to so  terminate,  the rights and
                  actions  indicated in sections 11.2.2.1  (i)-(vi),  inclusive,
                  shall apply as though set forth herein.

                           11.2.4.2  Termination  for  Failure to Repay  Working
                  Capital  Agreement.  If GJT fails to make a  payment  when due
                  under its Restated  Working Capital  Agreement dated as of May
                  12, 1995 (as amended by a First Amendment  thereto dated as of
                  July 11,  1995,  and as the same may be  amended  from time to
                  time hereafter, and including any successor agreement thereto)
                  between GJT and Genta,  Incorporated,  a Delaware  corporation
                  ("Genta"),  GJT shall promptly  inform  APOTHECON of same, and
                  APOTHECON may elect (by  delivering a writing to GJT,  Jagotec
                  and Jago Pharma of APOTHECON's intent to exercise such option)
                  at any time  thereafter  to terminate  this  Agreement  and to
                  require  each of Jagotec  and Jago  Pharma to, and Jagotec and
                  Jago Pharma agree that each of them will,  promptly enter into
                  a new, separate  agreement with APOTHECON under which (i) Jago
                  Pharma and Jagotec  will,  to the extent each has the right to
                  do so, ensure that all licenses,  sublicenses and other rights
                  and  privileges  granted  by GJT under  this  Agreement  shall
                  continue  without  change,  (ii) Jago  Pharma  will assume all
                  rights  and  obligations  of GJT  under  articles  3, 4, 5, 6,
                  11.4.5,  12,  14,  15.  1, and 15.2 of the *  Development  and
                  Marketing Agreement and will promptly cure any defaults of GJT
                  under said  articles,  any payments to be made  thereafter  by
                  APOTHECON under said articles shall thereafter be paid to Jago
                  Pharma,  and APOTHECON  shall continue to enjoy all rights and
                  privileges granted under said articles, and (iii) Jagotec will
                  assume all rights and  obligations  of GJT under  article 8 of
                  the * Development  and Marketing  Agreement and under articles
                  3.1, 6, 7 and 9 hereof,  any payments to be made thereafter by
                  APOTHECON  under said  articles  shall  thereafter  be paid to
                  Jagotec,  and APOTHECON shall continue to enjoy all rights and
                  privileges  granted under said  articles;  provided,  however,
                  that such new  agreement  with Jagotec  shall provide that all
                  payments  that would  otherwise  have been made  thereafter by
                  APOTHECON under article 7 hereof shall continue  thereafter to
                  be  paid  to  GJT  by  APOTHECON,   until  APOTHECON  is  duly
                  instructed otherwise in writing by GJT and Jagotec.

                  11.2.5 No Effect on Remedies.  Where  APOTHECON  elects not to
         terminate  the Agreement  pursuant to section  11.2.2.1,  11.2.2.2,  or
         11.2.4, such decision shall be without prejudice to any other rights or
         remedies  available  to  APOTHECON  arising  from such breach or untrue
         statement.

                  11.2.6   Injunctive Relief.  If:

                           i)       GJT or its  Affiliates  breach  section  3.1
                                    hereof or section  6.3 of the *  Development
                                    and Marketing Agreement, or

                           ii)      APOTHECON or its  Affiliates  breach section
                                    3.1 hereof,

         then the  parties  acknowledge  and agree that such  breach  will cause
         irreparable  injury to the  nonbreaching  party or its Affiliates,  for
         which  monetary  damages,  even if available,  will be  inadequate  and
         difficult, if not impossible, to accurately ascertain. Accordingly, the
         parties agree that the  nonbreaching  party or its  Affiliates may seek
         and obtain injunctive relief against the breach or threatened breach of
         the undertakings


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*    Confidential treatment requested. The redacted material has been separately
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                                     - 17 -


<PAGE>



         set forth in this section  11.2.6(i) and (ii), in addition to any other
         rights or remedies which may be available to the nonbreaching  party or
         to its Affiliates at law or in equity.

                  11.2.7  Effect  on  Continuing  Business.  In the  event  of a
         termination of this Agreement in which the rights to market the Product
         revert to GJT hereunder, GJT shall not be under any obligation, express
         or implied,  to use the  Registrations and data transferred to it or to
         continue to commercialize the Product, and APOTHECON shall not be under
         any  obligation,  express or  implied,  to  continue  to  transfer  any
         inventory of Product to GJT or to manufacture Product for GJT following
         such termination.

         11.3 Effect of  Bankruptcy.  If a party becomes  insolvent or admits in
writing its inability to pay its debts as they mature or applies for or consents
to the  appointment  of a receiver  or trustee for any of its  properties;  or a
receiver or trustee is appointed for such party or a substantial  portion of its
properties  and is not  discharged  within ninety (90) days; or any  bankruptcy,
reorganization, debt arrangement,  dissolution,  liquidation or other proceeding
under any  bankruptcy or  insolvency  law is instituted by or against such party
and, if  instituted  against  such party,  it is  consented  to by such party or
remains undismissed for ninety (90) days, then

                  11.3.1 Notwithstanding any such event, such party shall remain
         obligated to fulfill its obligations and covenants  hereunder,  and any
         failure to do so or other  breach  hereunder  shall  entitle  the other
         party to  terminate  this  Agreement  in  accordance  with section 11.2
         hereof; and

                  11.3.2 It is the parties'  desire that, if any such  receiver,
         trustee,   judge,   arbitrator  or  other  adjudicator   conducting  or
         controlling  such proceedings on behalf of a party should hold that any
         obligations,  covenants  or duties of such  party  hereunder  should be
         suspended  or  declared  unenforceable,  in whole or in part,  then the
         rights and benefits  granted to the other party  hereunder shall remain
         in full force and effect,  and that any such obligations,  covenants or
         duties shall be reformed by such receiver,  trustee,  judge, arbitrator
         or other  adjudicator  so as to be  enforceable  to the maximum  extent
         permitted by applicable  law and to permit any  suspension to be lifted
         at the earliest practicable time.

         11.4     Other Effects.

                  11.4.1  Effect  of  Reversion.  Where  a  termination  of this
         Agreement, as provided for in this Article 11.2, results in a reversion
         of rights to GJT that had been  granted to APOTHECON  under  Articles 3
         and 9 hereof, APOTHECON shall not thereafter make any use of the Patent
         Rights and  Trademarks,  and,  except to the extent the same shall have
         entered  the  public  domain,   the  Know-how,   with  respect  to  the
         country(ies) affected by such termination.

                  11.4.2   Survival.  The provisions of

                           (i)      Articles   2.2  and  9  shall   survive  any
                                    expiration of this  Agreement  under section
                                    11.1 (iii), and

                           (ii)     Articles 7.3-7.5,  11.2.4.1, 11.2.5, 11.2.7,
                                    11.4-11.6, 16.2, 16.3 and 16.4 shall survive
                                    any   expiration  or   termination   of  the
                                    Agreement, in whole or in part,

         as well as such other terms,  obligations  and rights  which,  by their
         intent or  meaning,  are  intended  to so survive.  The  expiration  or
         termination of the Agreement  shall not relieve either party of payment
         of any  amounts  that  may be  owed  to the  other  based  upon  events
         occurring  or rights  accruing  prior to the date of  termination,  and
         shall be without  prejudice,  except as provided in sections  11.2.2.3,
         and 11.2.2.4,  to any rights and  obligations  of either party accruing
         prior to, or that may be based on acts or  omissions of the other party
         occurring prior to, the effective date of termination.

                  11.4.3 Undeveloped  Products.  The Products licensed hereunder
         shall not be treated as "Undeveloped Products" under sections 11.2.3 of
         the GEOMATRIX  License  Agreement and GEOMATRIX  Manufacturing  License
         Agreement.


                                     - 18 -


<PAGE>


                  11.4.4 No Waiver.  The right of either party to terminate this
         Agreement,  as hereinabove  provided,  or to pursue rights and remedies
         available  to it at law or in equity,  shall not be affected in any way
         by its  waiver  of, or  failure to take  action  with  respect  to, any
         previous defaults or breaches hereunder.

                  11.4.5 Use of Data Following Termination.  Notwithstanding any
         provision of this Agreement that may state or imply to the contrary, in
         the  event  that  this  Agreement  terminates  for  any  reason,  it is
         understood  and agreed that all data  generated  pursuant to activities
         funded by APOTHECON  pursuant to section 4.6 of the *  Development  and
         Marketing  Agreement and  transferred  or made  available to GJT or its
         Affiliates under this Agreement  (including without limitation pursuant
         to   11.2.1.1(iv),   11.2.1.2(vi),   11.2.2.1(iv),   11.2.2.3(iv),   or
         11.2.2.4(vi)  of this Agreement) may not thereafter be used by, and may
         not thereafter be made available to or disclosed to any Third Party by,
         GJT  or  any  of  its  Affiliates  (including  any  Jagotec  and  Genta
         Incorporated,  a Delaware corporation, and their respective Affiliates)
         in the development,  or registration or filing for regulatory approval,
         of any product other than the Product (including without limitation not
         using and not making such data available for developing or filing of an
         NDA in the United  States for a * product based on,  incorporating,  or
         derived from the use of, the GEOMATRIX  Technology),  without the prior
         written consent of APOTHECON (which consent may be given or withheld in
         its sole and absolute discretion).

         11.5     Survival of Rights and Sublicenses.

                  11.5.1 In the  event of an event  that the  GEOMATRIX  License
         Agreement and/or the GEOMATRIX  Manufacturing  License  Agreement is or
         are  terminated,  for  whatever  reason and whether by action  taken by
         Jagotec, GJT or both, this Agreement, and all licenses, sublicenses and
         other rights and privileges granted or extended to APOTHECON hereunder,
         shall  continue and remain in full force and effect in accordance  with
         their  terms,  without  further  action  or  election  on the  part  of
         APOTHECON,   and  notwithstanding  any  provision   (including  without
         limitation  section  11.4) to the  contrary  in the  GEOMATRIX  License
         Agreement and the GEOMATRIX Manufacturing Agreement.

                  11.5.2  If  GJT  breaches  this  Agreement  in a  manner  that
         entitles  APOTHECON to terminate  same pursuant to section  11.2.2.1 or
         11.2.2.2,  or makes an untrue  statement  that  entitles  APOTHECON  to
         terminate same pursuant to section 11. 2.4.1,  or in the event that GJT
         commences  proceedings  to dissolve,  liquidate or wind up its affairs,
         then, in addition to any other remedies available to it hereunder or at
         law or in equity,  APOTHECON may (A) elect any remedies available to it
         under any applicable Waiver and Consent and/or (B) elect (by delivering
         a writing to GJT,  Jagotec  and Jago  Pharma of  APOTHECON's  intent to
         exercise  its rights  under this  section  11.5.2)  to  terminate  this
         Agreement with GJT, and: (i) any licenses, sublicenses and other rights
         and  privileges  granted by GJT under  this  Agreement  shall  continue
         without  further  action or  election  on the part of  APOTHECON,  with
         APOTHECON continuing to have the same rights and obligations as are set
         forth in this Agreement,  notwithstanding any provision to the contrary
         contained in section 11.4 of the  GEOMATRIX  License  Agreement (as the
         same may be thereafter amended, supplemented or extended) or in section
         11.4 of the GEOMATRIX  Manufacturing License Agreement (as the same may
         be thereafter amended,  supplemented or extended), (ii) Jago Pharma and
         Jagotec  will,  to the extent each has the right to do so,  ensure that
         all licenses,  sublicenses  and other rights and privileges  granted by
         GJT under this Agreement  shall  continue  without  change,  (iii) Jago
         Pharma will enter into an  agreement  with  APOTHECON  under which Jago
         Pharina will assume all rights and obligations of GJT under articles 3,
         4, 5, 6,  11.4.5,  12,  14,  15.1,  and 15.2 of the *  Development  and
         Marketing Agreement,  will promptly cure any defaults of GJT under said
         articles,  any payments to be made thereafter by APOT'HECON  under said
         articles shall  thereafter be paid to Jago Pharma,  and APOTHECON shall
         continue  to  enjoy  all  rights  and  privileges  granted  under  said
         articles,  and (iv) Jagotec will enter into an agreement with APOTHECON
         under which Jagotec will assume all rights and obligations of GIT under
         article  8 of the *  Development  and  Marketing  Agreement  and  under
         articles 3.1, 6, 7 and 9 hereof,  any payments to be made thereafter by
         APOTHECON  under shall  thereafter  be paid to Jagotec,  and  APOTHECON
         shall  continue to enjoy all rights and  privileges  granted under said
         articles.  Upon  request,  Jagotec and Jago  Pharma AG will  deliver to
         APOTHECON satisfactory confirming written documentation of same.


- - - ------------------
*    Confidential treatment requested. The redacted material has been separately
     filed with the Commission.


                                                     - 19 -


<PAGE>

                  11.5.3 In no event shall APOTHECON be required, as a condition
         to the continuance or continuing validity of any license, sublicense or
         other  rights  granted by GJT under  this  Agreement,  to give  written
         notice to Jagotec of any election to continue  such  rights,  to assume
         all rights and obligations of GJT, and/or to promptly cure all defaults
         of  GJT,  as  otherwise  required  under  section  11.4  of each of the
         GEOMATRIX  License  Agreement  and  GEOMATRIX   Manufacturing   License
         Agreement.

         11.6 Transfer of Registrations  and Rights. In the event this Agreement
terminates,  and GJT is entitled  hereunder  (and notifies  APOTHECON in writing
that it desires) to continue the development and marketing of the Product in the
country(ies)  affected  by such  termination,  the parties  agree to  reasonably
cooperate to ensure an orderly transition for a reasonable period (not to exceed
*)  following  such  termination,  and the parties  will  effectuate  an orderly
transfer of any  Registrations  owned or controlled by APOTHECON with respect to
the Product in such  country(ies) to GJT;  provided,  however,  that in no event
shall the foregoing create or imply any right to use or license under any patent
rights,  copyright  rights,  trademarks or trade names  (including those for the
Product), know-how, or other intellectual property rights owned or controlled by
APOTHECON or its Affiliates.  Such transfer(s) in such country(ies)  shall be *;
provided  that * shall bear all * into its name in such  country(ies)  and shall
reimburse for any  out-of-pocket  costs  incurred by it in  connection  with the
foregoing.  * shall be entitled to retain,  subject to the * as provided  for in
section 7.2, the amount  received by it on * during such  transition  period and
shall use reasonable efforts to comply with the terms of this Agreement. For any
other  termination of this Agreement,  such termination  shall not result in any
transfer  of any  Registrations  owned  or  controlled  by  APOTHECON  to GJT or
Jagotec, and regardless of any provision (such as sections 11.5 of the GEOMATRIX
License Agreement and of the GEOMATRIX  Manufacturing  License Agreement) to the
contrary in any agreement between GJT and any one or more of its Affiliates.


                                   ARTICLE 12
                                    INDEMNITY

                             [Intentionally omitted]


                                   ARTICLE 13
                                  FORCE MAJEURE

         Neither party hereto shall be held liable or  responsible  to the other
party  nor be deemed to have  defaulted  under or  breached  the  Agreement  for
failure or delay in fulfilling or performing any term of the Agreement,  and the
time required for performance shall be extended by the period occasioned by such
cause, when such failure or delay is caused by or results from causes beyond the
reasonable  control of the  affected  party  including  but not limited to fire,
floods,  embargoes,  war,  acts  of  war  (whether  war  be  declared  or  not),
insurrections,  riots,  civil  commotions,  strikes,  lockouts  or  other  labor
disturbances,  acts  of God or  acts,  omissions  or  delays  in  acting  by any
governmental  authority  or the other  party  hereto,  but not  failure or delay
caused by subcontractors of a party who breach their obligations hereunder.  The
party so affected shall give prompt notice to the other party of such cause, and
shall use its best  efforts to  minimize  the delay in  performance  and adverse
effects occasioned by such cause.


                                   ARTICLE 14
                                 SUBCONTRACTEES

                             [Intentionally omitted]


                                     - 20 -


<PAGE>

                                   ARTICLE 15
            ASSIGNMENT; SEVERABILITY; REPRESENTATIONS AND WARRANTIES

         15.1  Assignment.  Except to the extent  specifically set forth in this
Agreement,  this Agreement may not be assigned or nor may the performance of any
duties  hereunder be delegated or  transferred,  nor may any right or obligation
hereunder be assigned or transferred, by either party, without the prior written
consent of the other party (which consent shall not be  unreasonably  withheld);
provided, however, that either party may, without such consent, assign the right
to receive payments to an Affiliate, and may assign the Agreement and its rights
and  obligations  hereunder  in  connection  with the transfer or sale of all or
substantially all of its business assets to which this Agreement relates,  or in
the event of  merger,  consolidation,  or similar  reorganization  (or change in
control or similar transaction);  and provided,  further, that in the case of an
assignment,  the assigning  party shall remain liable as a continuing  guarantor
under  any  such  assignment  of all  obligations  and  duties  assumed  by such
Affiliate,  and the other party shall have entered  into a separate  counterpart
agreement with any such Affiliate.  Such  counterpart  agreement shall be in the
same form as this Agreement,  except for necessary changes to reflect the extent
of the assignment,  the  substitution of the Affiliate's  name and the effective
date of the assignment.

         15.2  Severability.  Each party  hereby  acknowledges  that it does not
intend  to  violate  any  public  policy,   statutory  or  common  laws,  rules,
regulations,  treaty or  decision of any  government  agency or  executive  body
thereof of any country or community or association  of countries.  Should one or
more provisions of the Agreement be or become invalid,  the parties hereto shall
substitute,  by mutual  consent,  valid  provisions for such invalid  provisions
which valid provisions in their economic effect are sufficiently  similar to the
invalid provisions that it can be reasonably assumed that the parties would have
entered into the Agreement with such provisions.  In case such provisions cannot
be agreed upon,  the  invalidity  of one or several  provisions of the Agreement
shall not affect the validity of the  Agreement  as a whole,  unless the invalid
provisions  are of such  essential  importance to the Agreement that it is to be
reasonably  assumed that the parties  would not have entered into the  Agreement
without the invalid provisions.

         15.3 General Representations and Warranties.  Each party represents and
warrants to the other the following:

                  15.3.1 Existence and Power. It (a) is duly organized,  validly
         existing and in good  standing  under the laws of the  jurisdiction  in
         which it is organized;  (b) has the  requisite  power and authority and
         the legal right to own and operate its  property  and assets,  to lease
         the  property and assets it operates  under lease,  and to carry on its
         business as it is now being  conducted;  and (c) is in compliance  with
         all  requirements  of  applicable  law,  except to the extent  that any
         noncompliance   would  not  have  a  material  adverse  effect  on  the
         properties,  business, financial or other condition of it and would not
         materially  adversely  affect its  ability to perform  its  obligations
         under the Agreement.

                  15.3.2  Authorization  and Enforcement of Obligations.  It (a)
         has the requisite power and authority and the legal right to enter into
         the Agreement  and to perform its  obligations  hereunder;  and (b) has
         taken all  necessary  action on its part to authorize the execution and
         delivery  of the  Agreement  and  the  performance  of its  obligations
         hereunder.  The  Agreement  has been duly executed and delivered on its
         behalf, and constitutes a legal, valid, binding obligation, enforceable
         against it in accordance with its terms.

                  15.3.3 No Consents.  All  necessary  consents,  approvals  and
         authorizations  of  all  governmental  authorities  and  other  Persons
         required to be obtained by it in  connection  with the  Agreement  have
         been obtained.

                  15.3.4  No  Conflict.   The  execution  and  delivery  of  the
         Agreement  on  its  behalf  and  the  performance  of  its  obligations
         hereunder  (a) do not  conflict  with or  violate  any  requirement  of
         applicable  laws or  regulations,  and  (b) do not  conflict  with,  or
         constitute a default under, any contractual obligation of it.


                                     - 21 -


<PAGE>

                  15.3.5  DISCLAIMER  OF  WARRANTIES.  NOTHING IN THE  AGREEMENT
         SHALL BE CONSTRUED AS A REPRESENTATION  MADE, OR WARRANTY GIVEN, BY GJT
         THAT ANY RESEARCH AND DEVELOPMENT  PERFORMED BY IT UNDER THIS AGREEMENT
         WILL BE SUCCESSFUL, IN WHOLE OR IN PART, OR THAT ANY PRODUCTS WHICH MAY
         BE  DEVELOPED  WILL  BE  SUCCESSFUL  IN  THE  COMMERCIAL   MARKETPLACE.
         APOTHECON ACKNOWLEDGES THAT, EXCEPT AS OTHERWISE SET FORTH HEREIN OR AS
         MAY  BE  SET  FORTH  IN  A  WRITING   SIGNED  BY  GJT,   GJT  MAKES  NO
         REPRESENTATIONS OR WARRANTIES,  EXPRESS OR IMPLIED, WITH RESPECT TO ANY
         PRODUCTS  WHICH MAY BE DEVELOPED,  INCLUDING  WITHOUT  LIMITATION,  ANY
         WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.

         15.4 GJT Representations and Warranties. GJT represents and warrants to
APOTHECON as of the Effective Date the following:

                  15.4.1 The Patent  Rights  listed on Exhibit  1.1(ii)  and the
         Trademarks  listed on Exhibit 9.1 list all Patent  Rights and GEOMATRIX
         Trademarks  owned or controlled by GJT in the Territory or to which GJT
         has the right to grant the license rights,  sublicense rights and other
         rights granted  hereunder,  and which may be useful to the manufacture,
         development,  use or sale of  Product,  and such  Exhibits  specify the
         jurisdiction(s) by or in which such right has been issued or registered
         or in which an application for such issuance or  registration  has been
         filed, including respective registration or application numbers. To the
         best knowledge of the current officers and directors of GJT, the issued
         Patent Rights are valid and in full force and effect.

                  15.4.2  Except as  disclosed on Exhibit  1.1(ii),  to the best
         knowledge of GJT's current officers and directors,  (i) the use of such
         Know-how and any Patent Rights in the manufacture,  use and sale of the
         Product does not infringe upon any patent  rights,  copyrights or other
         proprietary rights of any Affiliate of GJT or any  non-Affiliated,Third
         Party in the Territory;  (ii) GJT has no knowledge of any  infringement
         by any Third Party of any of the Patent  Rights in the  Territory;  and
         (iii) GJT and each its  Affiliates  are not subject to any  outstanding
         order,  judgment or decree of any court or administrative  agency,  and
         each has not entered into any stipulation or agreement, restricting its
         use  of  the  Patent  Rights  in  connection   with  the   manufacture,
         development, use or sale of Products in the Territory.

                  15.4.3 There is no action,  suit or proceeding  pending or, to
         the  knowledge  of its current  officers and  directors,  that has been
         threatened in writing by any Third Party against GJT or its  Affiliates
         which, if adversely  determined,  would have a material  adverse effect
         upon the ability of APOTHECON  to use the Patent  Rights or Know-how in
         the manufacture, use and/or sale of any Product in the Territory.

                  15.4.4  The  Know-how  and  Patent  Rights   licensed   and/or
         sublicensed  by GJT to APOTHECON  pursuant to this  Agreement  were not
         been obtained by GJT or its Affiliates in violation of any  contractual
         or  fiduciary  obligation  to which GJT or any of its  Affiliates,  any
         predecessor-in-interest or any of its or their employees or contractors
         is or was a party or by  misappropriation  of the trade  secrets of any
         Third  Party,  and the  manufacture,  use or sale  by or  through  GJT,
         APOTHECON  and their  respective  Affiliates  of any Product using such
         Know-how  and  Patent  Rights  does not and will not  violate  any such
         contractual  or  fiduciary  obligation  owed to any such Third Party or
         render APOTHECON liable for the payment of any royalty  attributable to
         or arising out of any such  contractual or fiduciary  obligation or any
         such misappropriation.

                  15.4.5  During  the  term  of  this  Agreement,   GJT  or  its
         Affiliates  will not  disclose  to  APOTHECON  and its  Affiliates  any
         proprietary  information,  such as trade secrets, which is confidential
         to any  non-Affiliated  Third Party or institution and which GJT is not
         entitled to disclose in accordance with the terms of this Agreement.


                                     - 22 -




<PAGE>



                  15.4.6  Except as otherwise  provided in this  Agreement,  the
         rights under the  Know-how or any Patent  Rights that have been or will
         be licensed to APOTHECON  under this  Agreement are not and will not be
         licensed to any other party to make, have made, use or sell Products in
         the Territory.

                  15.4.7 There are no licenses under any patent rights,  and, to
         the best knowledge of the current  officers and directors of GJT, under
         any other  intellectual  property or other proprietary  rights owned or
         controlled by any GJT Affiliate or Third Party which are used by GJT in
         connection with the manufacture, development, use or sale of Product in
         the Territory, other than those listed on Exhibits 1.1(ii) and 9.1.


                                   ARTICLE 16
                                  MISCELLANEOUS

         16.1 Notices. Any consent, notice or report required or permitted to be
given or made under the  Agreement  by one party to the other  party shall be in
English and in writing,  delivered  personally  or by  registered  mail,  return
receipt  requested,  addressed to the other party at its address indicated below
or to such other address as the addressee  shall have last  furnished in writing
to the  addressor  and except as otherwise  provided in the  Agreement  shall be
effective upon receipt by the addressee.

                  If to GJT:          Genta Jago Technologies BV
                                      Swiss Branch
                                      Grundstrasse 12
                                      6343 Rotkreuz, Switzerland
                                      Attention:  Executive Management Committee

                  with copies to:     Genta Incorporated
                                      3550 General Atomics Court
                                      San Diego, CA 92121, U.S.A.
                                      Attention: Thomas H. Adams, Ph.D.

                  and:                Pillsbury Madison & Sutro
                                      235 Montgomery Street, 15th Floor
                                      San Francisco, CA 94104, U.S.A.
                                      Attention: Thomas E. Sparks, Jr., Esq.

                  and:                Jagotec AG
                                      c/o Jago Pharma AG
                                      Eptingerstrasse 51
                                      CH-4132 Muttenz, Switzerland
                                      Attention: Dr. Jacques Gonella

                  and:                Rinderknecht Glaus & Stadelhofer
                                      Beethovenstrasse 7
                                      Postfach 4451
                                      CH-8002 Zurich, Switzerland
                                      Attention: Dr. Thomas M. Rinderknecht

                  If to
                  APOTHECON:          Apothecon, Inc.
                                      777 Scudders Mill Road
                                      Plainsboro, New Jersey 08536 USA
                                      Attention: President


                                     - 23 -


<PAGE>

                  with a copy to:     Apothecon, Inc.
                                      777 Scudders Mill Road
                                      Plainsboro, New Jersey 08536 USA
                                      Attention: Corporate Legal Counsel

         16.2  Applicable  Law. The Agreement shall be governed by and construed
in accordance with the laws of Switzerland,  without  reference to the conflicts
of law  principles  thereof,  and shall not be  governed  by the United  Nations
Convention on Contracts for the International Sale of Goods.

         16.3 Arbitration. Any dispute, claim or controversy between the parties
relating to,  arising out of or in any way  connected  with the Agreement or any
term or condition  hereof, or the performance by either party of its obligations
hereunder,  whether  before  or after  termination  of the  Agreement,  shall be
finally  resolved  by  binding  arbitration.  Whenever a party  shall  decide to
institute arbitration  proceedings,  it shall give written notice to that effect
to the other party. Any arbitration hereunder shall be conducted under the Rules
of Conciliation and Arbitration of the  International  Chamber of Commerce.  Any
such arbitration  shall be conducted in the English language by a panel of three
(3) arbitrators  appointed in accordance  with such rules,  and shall be held in
Paris,  France.  The  arbitrators  shall have the  authority  to grant  specific
performance, and to allocate between the parties the cost of arbitration in such
equitable  manner as they determine.  Judgment upon the award so rendered may be
entered in any court  having  jurisdiction  or  application  may be made to such
court  for  judicial  acceptance  of any  award  so  rendered  and an  order  of
enforcement,  as the case may be.  Whether a claim,  dispute or other  matter in
question would be barred by the applicable  statute of  limitations,  which also
shall apply to any arbitration  under this Section 16.3,  shall be determined by
binding arbitration pursuant to this Section 16.3.

         16.4 Excise Taxes. If the recipient of any payment hereunder,  received
in  consideration  for  providing  any goods or services or granting  any rights
hereunder,  shall have the obligation  under any applicable law,  regulations or
governance to add, include or pay to the applicable governmental authority,  any
value added taxes,  turn-over taxes,  excise taxes, sales taxes or similar taxes
or levies (collectively,  "Excise Taxes') on the amount of such payment received
hereunder,  then the  recipient  shall be  entitled to receive the amount of any
Excise Taxes on the amount of such payment  hereunder as evidenced by an invoice
from the  recipient  to the payor of such payment  hereunder.  The payor of such
payment hereunder shall pay the amount of any such Excise Taxes thereon prior to
the date on which the  recipient  is  required to pay or account for such Excise
Taxes  to the  applicable  governmental  authority.  The  recipient  of any such
payment  hereunder shall use reasonable  efforts to minimize any Excise Taxes on
any such  payments  hereunder,  and  promptly  shall take all such  actions  and
execute all such instruments as the payor of such payment  hereunder  reasonably
requests to enable the payor to apply for and, if  possible,  to receive  prompt
refund or credit of the amount of such Excise Taxes on such payments hereunder.

         16.5  Headings.  The  titles and  headings  used in the  Agreement  are
intended  for  convenience  only and shall not in any way affect the  meaning or
construction  of any provision of the  Agreement.  A reference to an Article (or
section)  shall be deemed to include  reference to all sections and  subsections
thereunder.

         No   terms   and   conditions   contained   in  any   purchase   order,
acknowledgment,  invoice,  bill of lading,  acceptance or other  preprinted form
issued by either party shall be  effective  to the extent they are  inconsistent
with or modify the terms and conditions  contained  herein.  Each purchase order
shall  contain the  requested  delivery  date(s),  quantity  purchased,  routing
instructions and destination.

         16.6 Independent  Contractors.  It is expressly agreed that the parties
shall be  independent  contractors  and that the  relationship  between  the two
parties shall not  constitute a  partnership,  joint venture or agency.  Neither
party  shall  have the  authority  to make any  statements,  representations  or
commitments  of any kind,  or to take any action  which  shall be binding on the
other party, without the prior consent of the other party to do so.

         16.7 Waiver.  The waiver by either party hereto of any right  hereunder
or the  failure to perform or of a breach by the other party shall not be deemed
a waiver of any other right  hereunder or of any other breach or failure by said
other party whether of a similar nature or otherwise.


                                     - 24 -


<PAGE>

         16.8  Amendments.  The  provisions  of the Agreement may not be waived,
altered,  amended or repealed in whole or in part except by the written  consent
of both of the parties to the Agreement.

         16.9 Entire Agreement. The terms, covenants,  conditions and provisions
contained  in the  Agreement,  including  the  exhibits  hereto  and  any  other
agreement  (including the * Development  and Marketing  Agreement) to the extent
herein  referenced,  together  with all of the  documents  referred to herein as
having  been  provided  by one  party  to  another  (pertaining  in  part to the
Territory in which APOTHECON may exercise its manufacturing  rights  hereunder),
constitute  the total and complete  agreement of the parties and  supersede  all
prior  understandings  and  agreements  hereto  made,  and  there  are no  other
representations,  understandings  or agreements  relating to the subject  matter
hereof.

         16.10  Counterparts.  The  Agreement  may be  executed  in two or  more
counterparts,  each of  which  shall be  deemed  an  original,  but all of which
together shall constitute one and the same instrument.

         16.11  Publicity.  Neither party to this Agreement  shall employ or use
the name of the other party or any Affiliate of such party in any publication or
promotional materials or in any form for public distribution, except as required
by law,  without  prior  written  consent of said other  party in each  instance
(which consent shall not be unreasonably withheld).

         IN WITNESS WHEREOF, the parties hereto have duly executed the Agreement
as of the date first set forth above.

                                     APOTHECON, INC.


                                     By: /s/Lee Burg
                                        ----------------------------------
                                     Title: Vice President/General Manager


                                     GENTA JAGO TECHNOLOGIES BV


                                     By: /s/ Thomas H. Adams
                                        ----------------------------------
                                        Thomas H. Adams, Ph.D.
                                        Managing Director


                                     By:  /s/ Jacques Gonella
                                        ----------------------------------
                                        Dr. Jacques Gonella
                                        Managing Director

JAGOTEC AG hereby  agrees to be bound by the  provisions  of sections  2.2, 6.3,
8.3,  8.4,  8.5,  11.2.4.2,  11.4.3,  11.4.5,  and 11.5 and  article 16 of the *
Development and Marketing  Agreement and sections 11.2.4.2 and 11.5 of the above
Agreement,  that all notices to be given to it shall be given to such address as
is set forth in section  16.1  hereof  unless and until it  otherwise  instructs
APOTHECON in writing.

JAGOTEC AG


By: /s/ Jacques Gonella
   ---------------------
     Dr. Jacques Gonella
     President


- - - ------------------
*    Confidential treatment requested. The redacted material has been separately
     filed with the Commission.


                                     - 25 -


<PAGE>



JAGO PHARMA AG hereby agrees to be bound by the provisions of sections 2.2, 6.3,
11.2.4.2,  11.4.3,  11.4.5,  and 11.5 and  article 16 of the *  Development  and
Marketing  Agreement  and  sections  11.2.4.2  and 11.5 of the above  Agreement,
agrees that all  notices to be given to it shall be given to such  address as is
set  forth in  section  16.1  hereof  unless  and until it  otherwise  instructs
APOTHECON in writing:

JAGO PHARMA AG

By: /s/ Jacques Gonella
   ---------------------
     Dr. Jacques Gonella
     President


                                     - 26 -




<PAGE>

                                    EXHIBITS



Exhibit 1. l(ii)    -      List of Patent Rights

Exhibit 3.6(i)-(iv) -      Waiver and Consent Agreements

Exhibit 9.1         -      List of GEOMATRIX Trademarks


                                     - 27 -


<PAGE>


                                 EXHIBIT 1.1(ii)

                                  PATENT RIGHTS

- - - --------------------------------------------------------------------------------


PACO. 1

Subject:       System for the controlled-rate release of active substances

Inventors:     Colombo, La Manna, Conte

Assignee:      JAGOTEC AG

Priority:      Italy, No. 23321 A/85, Dec 20th 1985
               Approved: January 7th 1988, No. 1188212
               Valid Until: December 19th 2005

Countries:     USA
               Approved: June 13th 1989, No. 4.839.177
               Valid Until: June 12th 2006


               Europe
               Approved: November 22nd 1990, No. 0226884
               Valid Until: December lst 2006


               Australia
               Approved: July 10th 1990, No. 594992
               Valid Until: December 18th 2006


               Canada
               Approved: April 7th 1992, No. 1.298.479
               Valid Until: April 6th 2009


               New Zealand
               Approved: December llth 1990 No. 218.596
               Valid Until: December 10th 2002


               Japan
               Pending
               *


PACO. 6


Subject:       Tablets with controlled-rate release of active substances

Inventors:     Conte, La Manna, Colombo

Assignee:      JAGOTEC  AG

Priority:      Italy, No. 2269489, December 14th 1989
               Approved, No. 1237904, June 18th 1993


- - - ------------------
*    Confidential treatment requested. The redacted material has been separately
     filed with the Commission.


                                      -1-


<PAGE>

PACO. 6 (cont.)


Countries:     USA
               Approved: June 6th 1995, No. 5,422,123
               Valid Until: June 5th 2012


               Europe
               Pending
               *

               Canada
               Pending
               *

               Japan
               Pending
               *

PACO. 7


Subject:       Process  for  preparing  pharmaceutical  compositions  having  an
               increased active substance dissolution rate, and the compositions
               obtained

Inventors:     Conte, La Manna, Giunchedi

Assignee:      JAGOTEC AG

Priority:      Italy, No. 21091, July 27th 1990             
               Approved: November 16th 1994, No. 1.246.188  
               Valid Until: July 26th 2010                  
                                                            
               
Countries:     USA
               lst Application No. 07/733457, Filed July 22nd 1991
               Pending:  Continuation No. 08/524.739, Filed October 11th 1994
               Continuation No. 08/321,123, Filed October 11th 1994
               Approved: December 19th 1995, No. 5.476.654
               Valid Until: October 10th 2014

               Europe
               Pending
               *

               Canada
               Pending
               *

               Japan
               Pending
               *

- - - ------------------
*    Confidential treatment requested. The redacted material has been separately
     filed with the Commission.


                                      -2-


<PAGE>

PACO. 8

Subject:       Pharmaceutical  tablets  releasing the active  substance  after a
               definite period of time

Inventors:     Conte, La Manna, Maggi

Assignee:      JAGOTEC AG

Priority:      Italy, MI 92 A 001174, Filed May 15th 1992

Countries:     USA
               Approved: November 7th 1995, No. 5,464,633
               Valid Until: May 23rd 2014

               Canada
               Pending
               *

PACO. 9


Subject:       Pharmaceutical  tablet capable of liberating one or more drugs at
               different release rates

Inventors:     Conte, La Manna, Maggi

Assignee:      JAGOTEC AG

Priority:      Italy, MI 92 A 002192, Filed September 24th 1992

Countries:     PCT Application, No. PCT/EP93/02556,
               Filed September 21st 1993
               Designated Territories:    Australia
                                          Canada
                                          Japan
                                          USA
                                          New Zealand
                                          European Patent Territory


- - - ------------------
*    Confidential treatment requested. The redacted material has been separately
     filed with the Commission.


                                      -3-



<PAGE>

                                 EXHIBIT 3.6(I)

                           GENTA JAGO DELAWARE, L.L.C.
                             SAN DIEGO, CA 92121 USA


                                                               February 28, 1996


Apothecon, Inc.
777 Scudders Mill Road
Plainsboro, New Jersey
USA
     ATTN: President

Genta Jago Technologies B.V., Swiss Branch
Grundstrasse 12
6343 Rotkreuz
SWITZERLAND
     ATTN: Executive Management Committee

Jago Pharma AG
Eptingerstrasse 51
CH-4132 Muttenz
SWITZERLAND
     ATTN: President

Genta Incorporated
3550 General Atomics Court
San Diego, CA 92121
USA
     ATTN: President

         Re:   WAIVER AND CONSENT

Gentlemen:
       Reference is hereby made to:

       i)     An Agreement dated the date hereof by and between Apothecon,  Inc.
              a Delaware corporation,  and Genta Jago Technologies BV ("GJT"), a
              Dutch  company,  regarding  the  development  of * , using certain
              proprietary  sustained  release  technology  licensed  to  GJT  by
              Jagotec AG (said agreement, as it may be supplemented,  changed or
              extended  from time to time  hereafter,  is  referred to as the "*
              Development  Agreement").  Each of you  acknowledges  receipt of a
              copy of said agreement; and

       ii)    An Agreement  dated the date hereof by and between  Apothecon  and
              Genta Jago Technologies BV ("GJT"), a Dutch company, regarding the
              grant of certain  license rights to Apothecon to make,  have made,
              use and sell * under certain  Patent Rights and Know- How licensed
              to  GJT  pertaining  to  certain  proprietary   sustained  release
              technology  licensed to GJT by Jagotec AG (said  agreement,  as it
              may be  supplemented,  changed  or  extended  from  time  to  time
              hereafter,  is referred to as 


- - - ------------------
*    Confidential treatment requested. The redacted material has been separately
     filed with the Commission.


<PAGE>

              the "* License Agreement").  Each of you acknowledges receipt of a
              copy  of  said  agreement.  The  *  License  Agreement  and  the *
              Development   Agreement   are   referred   to  herein  as  the  "*
              Agreements."; and

       iii)   The Restated GEOMATRIX Research and Development Agreement dated as
              of May 12,  1995 by and  among  GJT,  Jago  Pharma  AG,  as  Swiss
              corporation, Genta Incorporated ("Genta"), a Delaware corporation,
              and Genta Jago  Delaware,  L.L.C.  ("Genta  Jago LLC),  a Delaware
              limited liability company (the "GEOMATRIX Research and Development
              Agreement".

         All capitalized  terms not expressly defined in this Waiver and Consent
agreement ("the "Genta Jago LLC Waiver and Consent  Agreement") have the meaning
ascribed to such term in the * License Agreement.

         Jagotec  AG and Genta  are each 50%  owners of the  equity  and  income
interests of GJT.  Jagotec and Jago Pharma AG are Affiliates of one another,  of
GJT,  and of  Jago  Holding  AG,  a Swiss  corporation.  Genta  and GPM  Generic
Pharmaceuticals  Manufacturing,  Inc.  (the  latter  entity  being an  Affiliate
Jagotec  AG) are each a 50% owner of the equity and  income  interests  of Genta
Jago LLC.  Genta Jago LLC  acknowledges,  and each of the parties  signing below
hereby  acknowledges,  that  it  expects  to  derive,  directly  or  indirectly,
substantial  economic  benefit  as a  result  of  the  execution,  delivery  and
performance of the * License Agreement,  the * Development Agreement, and of the
GEOMATRIX  Agreements.  Therefore,  in order to  induce  Apothecon  to  execute,
deliver and perform the * Agreements, to make the payments required of Apothecon
thereunder, and to accept GJT's promises to discharge its obligations thereunder
and otherwise,  and for other good and valuable  consideration,  the receipt and
sufficiency of which are hereby  acknowledged by each party signing below, Genta
Jago Delaware L.L.C. hereby represents,  warrants,  agrees, and covenants to and
with Apothecon, and each other party signing below hereby represents,  warrants,
agrees and concurs, as follows:

      1. Notwithstanding any provision in the GEOMATRIX Research and Development
Agreement to the contrary:

       a. All  applications  filed by Genta Jago LLC pursuant to its obligations
       under the GEOMATRIX  Research and Development  Agreement as are necessary
       or useful for the  Registration of the Product shall be filed in the name
       of, and be owned by, Apothecon, and not GJT.

       b. All data and results pertaining to the Product generated by Genta Jago
       LLC under the Research and Development Agreement shall be owned solely by
       Apothecon.  Concurrently  with the  execution  and delivery of this Genta
       Jago LLC Waiver and Consent  Agreement,  Genta Jago LLC will turn over to
       Apothecon  all  data  and  results  heretofore  developed  by or  for  it
       pertaining  to the  Product.  Genta  Jago LLC will  thereafter  report in
       writing such data and results  developed by or for it not less frequently
       than  quarterly to Apothecon  and GJT (and monthly if requested by either
       party),  and will  immediately  transmit  all such data to  Apothecon  by
       magnetic media or such other method as Apothecon shall request.

       c. In the event that the  GEOMATRIX  Research and  Development  Agreement
       should terminate, for whatever reason and however effected, and/or in the
       event that GJT commences  proceedings  to dissolve,  liquidate or wind up
       its affairs,  then,  in addition to any  remedies  available to APOTHECON
       under the *  Development  and  Marketing  Agreement  at law or in equity,
       Genta Jago LLC shall,  at  Apothecon's  request,  enter into an agreement
       with Apothecon for the  development  and  registration  of the Product on
       terms and conditions  that, to the maximum  practicable  extent,  require
       Genta Jago LLC to perform the same obligations and observe the same terms
       and  conditions  as  apply  to  it  under  the  GEOMATRIX   Research  and
       Development  Agreement  (without regard to Genta and Jago Pharma's duties
       or  responsibilities  thereunder),  and with Apothecon  having the rights
       that GJT  otherwise  had under such  GEOMATRIX  Research and  Development
       Agreement  and with  APOTHECON  assuming  GJT's  obligations  under  such
       GEOMATRIX   Research  and  Development   Agreement  to  the  extent  such
       obligations  do not conflict  with or are in addition to the  obligations
       that Apothecon has under the * Development  and Marketing  Agreement.  In
       such event Apothecon shall be entitled to grant to Genta Jago LLC a under
       the  Patent  Rights  and  Knowhow  solely to  conduct  the  Research  and
       Development (as such term is defined in the GEOMATRIX


- - - ------------------
*    Confidential treatment requested. The redacted material has been separately
     filed with the Commission.


                                       -2-


<PAGE>

       Research and  Development  Agreement) that Genta Jago LLC is obligated to
       conduct under the GEOMATRIX Research and Development  Agreement,  and any
       payments for services performed thereafter by Genta Jago LLC with respect
       to the  development of the Product shall be made directly by APOTHECON to
       Genta Jago LLC.


       2.  Genta  Jago LLC shall  submit  to  Apothecon,  concurrently  with its
submission  to GJT, a copy of (i) all  reports,  statements,  invoices,  Product
Workplans,  and budgets  submitted  by Genta Jago LLC to GJT or to the  Steering
Committee  relating to the Product,  (ii) a copy of all reports  relating to the
Product  submitted  to GJT  under  section  5.4 of the  GEOMATRIX  Research  and
Development Agreement, and (iii) a copy of all submissions to, and all responses
and approvals  obtained  from, a regulatory  authority  relating to the Product.
Genta Jago LLC shall promptly  inform  Apothecon of any default by GJT under the
GEOMATRIX  Research  and  Development  Agreement.  Following  any such  default,
Apothecon  shall have the right,  but shall not be under any  obligation  of any
nature whatsoever,  expressly or impliedly, to (i) cure any such default, and/or
(ii) pay Genta Jago LLC directly  thereafter  for all  services  performed by it
under the  GEOMATRIX  Research  and  Development  Agreement  that pertain to the
Product  and deduct  and  offset  same from any  monies  payable  thereafter  by
Apothecon to GJT.

       3.  Apothecon  shall have the right to exercise  the same audit rights as
GJT may exercise  under  section 4.6 of the GEOMATRIX  Research and  Development
Agreement, to the extent relating to the Product only.

       4.  Genta  Jago LLC shall  defend,  indemnify  and hold  Apothecon,  Inc.
harmless from and against any and all losses, liabilities,  damages and expenses
(including  reasonable  attorneys'  fees and costs) that Apothecon  suffers as a
result of any  claim,  demand,  action or other  proceeding  by any Third  Party
arising  from  or  relating  to the * *,  its  directors,  officers,  employees,
consultants or agents in performing its obligations under the GEOMATRIX Research
and  Development  Agreement,  except to the  extent  such  losses,  liabilities,
damages and expenses arise from the * or their respective  directors,  officers,
general partners,  employees,  consultants, or agents (other than *). Apothecon,
as an  Indemnitee,  agrees to adhere to and be bound by the terms of section 9.5
of the GEOMATRIX Research and Development  Agreement,  as though such terms were
fully set forth herein (and with "Article 9" replaced by "Article 4 hereof").

         5. To the extent any  provisions  of the * Agreements  or of any of the
GEOMATRIX  Agreements  conflict in any way with the terms of this Genta Jago LLC
Waiver and Consent Agreement, the terms of this Agreement shall control.

       6. This Genta Jago LLC Waiver and Consent  Agreement  shall be  effective
immediately  and shall  continue  in full  force and  effect  until such time as
Apothecon  may elect to terminate it by a writing  delivered to GJT and to Genta
Jago LLC by a duly authorized officer of Apothecon,  or until the termination of
the * Marketing and Development Agreement, whichever occurs first.

       7. Any  consent,  notice or report  required or  permitted to be given or
made  hereunder  by one  party to the other  party  shall be in  English  and in
writing,  delivered  personally or by registered mail, return receipt requested,
addressed  to the other  party at its address  indicated  below or to such other
address as the addressee  shall have last  furnished in writing to the addressor
(with a copy  addressed  as well to the  attention of its "Legal  Counsel")  and
shall be effective upon receipt by the addressee.

      8. Each party  represents  and  warrants to the other  parties  hereto the
following:

       a)     Existence and Power.  It (i) is duly organized,  validly  existing
              and in good standing under the laws of the  jurisdiction  in which
              it is organized;  (ii) has the  requisite  power and authority and
              the legal  right to own and operate its  property  and assets,  to
              lease the  property  and assets it operates  under  lease,  and to
              carry on its business as it is now being  conducted;  and (iii) is
              in compliance  with all  requirements of applicable law, except to
              the  extent  that any  noncompliance  would  not  have a  material
              adverse  effect on the  properties,  business,  financial or other
              condition  of it and would not  materially  adversely  affect  its
              ability to perform its obligations under this Agreement.


- - - ------------------
*    Confidential treatment requested. The redacted material has been separately
     filed with the Commission.


                                       -3-


<PAGE>

       b)     Authorization  and  Enforcement  of  Obligations.  It (i)  has the
              requisite  power and  authority  and the legal right to enter into
              the Agreement and to perform its obligations  hereunder;  and (ii)
              has  taken  all  necessary  action  on its part to  authorize  the
              execution and delivery of this  Agreement and the  performance  of
              its obligations  hereunder.  This Agreement has been duly executed
              and  delivered  on its behalf,  and  constitutes  a legal,  valid,
              binding obligation,  enforceable against it in accordance with its
              terms.

       c)     No Consents. All necessary consents,  approvals and authorizations
              of all  governmental  authorities and other Persons required to be
              obtained by it in connection with the execution and performance of
              this Agreement have been obtained.

       d)     No Conflict.  The execution and delivery of this  Agreement on its
              behalf and the performance of its obligations hereunder (a) do not
              conflict with or violate any  requirement  of  applicable  laws or
              regulations  applicable  to it,  and  (b) do not  conflict  or are
              inconsistent  with, or constitute a default under, any contractual
              or fiduciary obligation or covenant of it.

       9. This Genta Jago LLC Waiver and  Consent  Agreement  shall inure to the
benefit  of,  and  be  binding  upon  each  party  hereto,  and  its  respective
successors,  permitted  assigns  and legal  representatives.  Any party may also
assign its rights and  obligations  under this Agreement  without the consent of
the other parties in connection with a merger, consolidation, or the sale of all
or substantially all of its assets to an Affiliate agreeing to be bound by same,
or may otherwise assign its rights or obligations under this Agreement only with
the prior written  consent of the other parties  hereto.  This  Agreement  shall
survive any merger, consolidation or similar reorganization of either party with
or into  another  party and no consent  for a merger,  consolidation  or similar
reorganization  shall be required  hereunder.  Any  assignment not in accordance
with this Agreement shall be void.

       10. This Genta Jago LLC Waiver and Consent  Agreement,  together with all
other documents referred to herein,  constitute the total and complete agreement
of the parties and  supersede all prior  understandings  and  agreements  hereto
made,  and  there are no other  representations,  understandings  or  agreements
relating to the subject  matter  hereof that are not set forth herein on which a
party has  relied.  All terms  and  conditions  of the  GEOMATRIX  Research  and
Development  Agreement,  to the extent not changed or supplemented by this Genta
Jago LLC Waiver and Consent Agreement, remain in full force and effect.

       11. This Genta Jago LLC Waiver and Consent Agreement shall be governed by
and construed in accordance with the laws of Switzerland,  without  reference to
the conflicts of law principles thereof.

       12. No provision of this Genta Jago LLC Waiver and Consent Agreement,  or
the benefit thereof may be waived,  altered,  amended or repealed in whole or in
part except by the written  consent of all of the  parties  hereto,  and no such
waiver or changed shall extend beyond the circumstances for which it is granted.
Except as  specifically  provided for herein,  the waiver from time to time by a
party of any of its rights or its  failure  to  exercise  any  remedy  shall not
operate or be construed  as a continuing  waiver of same or of any other of such
party's rights or remedies hereunder.

       13. If any term,  covenant or condition of this Genta Jago LLC Waiver and
Consent Agreement or the application thereof to any party or circumstance shall,
to any extent, be held to be invalid or unenforceable, then (1) the remainder of
this  Agreement,  or the  application  of such term,  covenant or  condition  to
parties or  circumstances  other  than  those as to which it is held  invalid or
unenforceable,  shall  not be  affected  thereby  and  each  term,  covenant  or
condition of this Agreement shall be valid and be enforced to the fullest extent
permitted by law; and (2) the parties  hereto  covenant and agree to renegotiate
any such term, covenant or application thereof in good faith in order to provide
a reasonably  acceptable  alternative to the term, covenant or condition of this
Agreement or the application thereof that is invalid or unenforceable,  it being
the intent of the parties that the basic  purposes of this  Agreement  are to be
effectuated.

       14. Any dispute,  claim or controversy  between the parties  relating to,
arising  out of or in any way  connected  with this  Genta  Jago LLC  Waiver and
Consent Agreement or any term or condition hereof, or the performance by 


                                       -4-


<PAGE>

a party of its  obligations  hereunder,  whether before or after  termination of
this Agreement,  shall be finally  resolved by binding  arbitration.  Whenever a
party shall decide to institute arbitration  proceedings,  it shall give written
notice to that effect to the other parties.  Any arbitration  hereunder shall be
conducted under the Rules of Conciliation  and Arbitration of the  International
Chamber of  Commerce.  Any such  arbitration  shall be  conducted in the English
language by a panel of three (3)  arbitrators  appointed in accordance with such
rules,  and shall be held in  Paris,  France.  The  arbitrators  shall  have the
authority to grant specific performance, and to allocate between the parties the
cost of arbitration in such equitable  manner as they  determine.  Judgment upon
the award so  rendered  may be  entered  in any  court  having  jurisdiction  or
application  may be made to such court for judicial  acceptance  of any award so
rendered  and an order of  enforcement,  as the  case may be.  Whether  a claim,
dispute or other matter in question would be barred by the applicable statute of
limitations,  which also shall apply to any  arbitration  under this Section 14,
shall be determined by binding arbitration pursuant to this Section 14.

       15. It is expressly  agreed that the parties are independent  contractors
with each other under this Agreement and that the  relationship  between the two
parties shall not  constitute a partnership,  joint venture or agency.  No party
shall have the authority to make any statements,  representations or commitments
of any kind,  or to take any action  which shall be binding on any other  party,
without the prior consent of the other party to do so.

       16. This Genta Jago LLC Waiver and Consent  Agreement  may be executed in
two or more counterparts,  each of which shall be deemed an original, but all of
which together shall constitute one and the same instrument.
It shall not be strictly construed against any party hereto.


                                       -5-


<PAGE>

       IN WITNESS WHEREOF,  the parties below have duly executed this Genta Jago
LLC Waiver and  Consent  Agreement  through  their  respective  duly  authorized
representatives as of the date first set forth above.

                                                 GENTA JAGO DELAWARE, L.L.C.


                                                 By:   /s/ Thomas H. Adams
                                                      --------------------
                                                          Thomas H. Adams, Ph.D.
                                                          Managing Director


                                                 By:   /s/ Jacques Gonella
                                                      --------------------
                                                          Dr. Jacques Gonella
                                                          Managing Director

We accept and agree to the  foregoing,  and  acknowledge  same by executing this
Genta  Jago LLC  Waiver  and  Consent  Agreement  through  our  duly  authorized
representatives:

GENTA JAGO TECHNOLOGIES BV                  JAGO PHARMA AG


By     /s/ Thomas H. Adams                  By:   /s/ Jacques Gonella
       -------------------                        -------------------
       Thomas H. Adams, Ph.D.                     Dr. Jacques Gonella
       Managing Director                          President


By     /s/ Jacques Gonella
       -------------------
       Dr. Jacques Gonella
       Managing Director


GENTA INCORPORATED                          APOTHECON, INC.


By     /s/ Thomas H. Adams                  By:   /s/ Lee Burg
       -------------------                        ------------
       Thomas H. Adams, Ph.D.                     Lee Burg
       Chairman and Chief Executive Officer       President


                                       -6-


<PAGE>

                                 EXHIBIT 3.6(II)

                               GENTA INCORPORATED
                           3550 GENERAL ATOMICS COURT
                             SAN DIEGO, CA 92121 USA


                                                               February 28, 1996


Apothecon, Inc.
777 Scudders Mill Road
Plainsboro, New Jersey
USA
       ATTN: President

Jago Pharma AG
Eptingerstrasse 51
CH-4132 Muttenz
SWITZERLAND
       ATTN: President

Genta Jago Technologies B.V.
Grundstrasse 12
6343 Rotkreuz
SWITZERLAND
       ATTN: Executive Committee

Genta Jago Delaware, L.L.C.
3550 General Atomics Court
San Diego, CA 92121
USA
       ATTN: President

              Re:  WAIVER AND CONSENT

Gentlemen:

       Reference is hereby made to:

       i)     An Agreement dated the date hereof by and between Apothecon, Inc.,
              a Delaware corporation,  and Genta Jago Technologies BV ("GJT"), a
              Dutch  company,  regarding  the  development  of *, using  certain
              proprietary  sustained  release  technology  licensed  to  GJT  by
              Jagotec AG (said agreement, as it may be supplemented,  changed or
              extended  from time to time  hereafter,  is  referred to as the "*
              Development  Agreement").  Each of you  acknowledges  receipt of a
              copy of said agreement; and

       ii)    An Agreement  dated the date hereof by and between  Apothecon  and
              Genta Jago Technologies BV ("GJT'), a Dutch company, regarding the
              grant of certain  license rights to Apothecon to make,  have made,
              use and sell * under certain  Patent Rights and Know-How  licensed
              to  GJT  pertaining  to  certain  proprietary   sustained  release
              technology  licensed to GJT by Jagotec AG (said  agreement,  as it
              may be


- - - ------------------
*    Confidential treatment requested. The redacted material has been separately
     filed with the Commission.


                                       -1-


<PAGE>

              supplemented,  changed or extended from time to time hereafter, is
              referred   to  as  the  "*  License   Agreement").   Each  of  you
              acknowledges  receipt of a copy of said  agreement.  The * License
              Agreement and the *  Development  Agreement are referred to herein
              as the "* Agreements."; and

       iii)   The Restated GEOMATRIX Research and Development Agreement dated as
              of May 12,  1995 by and  among  GJT,  Jago  Pharma  AG,  as  Swiss
              corporation, Genta Incorporated ("Genta"), a Delaware corporation,
              and Genta Jago  Delaware,  L.L.C.  ("Genta Jago LLC"),  a Delaware
              limited liability company (the "GEOMATRIX Research and Development
              Agreement".

       iv)    The GEOMATRIX License Agreement;

       v)     The GEOMATRIX Manufacturing License Agreement; and

       vi)    The GEOMATRIX Supply Agreement.

       All  capitalized  terms not expressly  defined in this Waiver and Consent
agreement ("the "Genta Waiver and Consent  Agreement") have the meaning ascribed
to such term in the * License Agreement.

         Jagotec  AG and Genta  are each 50%  owners of the  equity  and  income
interests of GJT.  Jagotec and Jago Pharma AG are Affiliates of one another,  of
GJT,  and of  Jago  Holding  AG,  a Swiss  corporation.  Genta  and GPM  Generic
Pharmaceuticals  Manufacturing,  Inc.  (the latter  entity being an affiliate of
Jagotec  AG) are each a 50% owner of the equity and  income  interests  of Genta
Jago LLC.  Genta  acknowledges,  and each of the parties  signing  below  hereby
acknowledges,  that it expects to derive,  directly or  indirectly,  substantial
economic benefit as a result of the execution, delivery and performance of the *
License Agreement, the * Development Agreement, and of the GEOMATRIX Agreements.
Therefore,  in order to induce  Apothecon to execute,  deliver and perform the *
Agreements, to make the payments required of Apothecon thereunder, and to accept
GJT's promises to discharge its  obligations  thereunder and otherwise,  and for
other good and valuable consideration,  the receipt and sufficiency of which are
hereby acknowledged, Genta Incorporated hereby represents, warrants, agrees, and
covenants  to and with  Apothecon,  and each other party  signing  below  hereby
represents, warrants, agrees and concurs, as follows:

     1.  Notwithstanding any provision in the GEOMATRIX Research and Development
Agreement to the contrary:


              a. All  applications  filed by Genta  pursuant to its  obligations
       under the GEOMATRIX  Research and Development  Agreement as are necessary
       or useful for the  Registration of the Product shall be filed in the name
       of, and be owned by, Apothecon, and not GJT.

              b. All data and results  pertaining  to the Product  generated  by
       Genta under the Research and Development  Agreement shall be owned solely
       by Apothecon.  Concurrently with the execution and delivery of this Genta
       Waiver and Consent Agreement,  Genta will turn over to Apothecon all data
       and results developed  heretofore by or for it pertaining to the Product.
       Genta will thereafter  report in writing such data and results  developed
       by or for it not less frequently than quarterly to Apothecon and GJT (and
       monthly if requested by either party), and will immediately  transmit all
       such  data to  Apothecon  by  magnetic  media  or such  other  method  as
       Apothecon shall request.

              c. In the  event  that  the  GEOMATRIX  Research  and  Development
       Agreement  should  terminate,  for whatever reason and however  effected,
       and/or in the event that GJT commences proceedings to dissolve, liquidate
       or wind up its affairs,  then,  in addition to any remedies  available to
       Apothecon  under the * Development  and Marketing  Agreement at law or in
       equity, Genta shall, at Apothecon's request, enter into an agreement with
       Apothecon for the  development  and  registration of the Product on terms
       and conditions that, to the maximum practicable extent,  require Genta to
       perform the same obligations and observe the same terms and conditions as
       apply  to it under  the  GEOMATRIX  Research  and  Development  Agreement
       (without  regard  to  Jago  Phanna's  and  Genta  Jago  LLC's  duties  or
       responsibilities thereunder), and with Apothecon having the


- - - ------------------
*    Confidential treatment requested. The redacted material has been separately
     filed with the Commission.


                                       -2-


<PAGE>

       rights  that  GJT  otherwise  had  under  such  GEOMATRIX   Research  and
       Development Agreement and with APOTHECON assuming GJT's obligations under
       such  GEOMATRIX  Research  and  Development  Agreement to the extent such
       obligations  do not conflict  with or are in addition to the  obligations
       that Apothecon has under the * Development  and Marketing  Agreement.  In
       such event  Apothecon  shall be  entitled to grant to Genta a * under the
       Patent Rights and Knowhow solely to conduct the Research and  Development
       (as such  term is  defined  in the  GEOMATRIX  Research  and  Development
       Agreement)  that  Genta is  obligated  to  conduct  under  the  GEOMATRIX
       Research  and  Development  Agreement,  and  any  payments  for  services
       performed  thereafter  by Genta with  respect to the  development  of the
       Product shall be made directly by APOTHECON to Genta.

       2. Genta shall submit to Apothecon,  concurrently  with its submission to
GJT, a copy of (i) all reports,  statements,  invoices,  Product Workplans,  and
budgets submitted by Genta to GJT or to the Steering  Committee  relating to the
Product,  (ii) a copy of all reports  relating to the Product  submitted  to GJT
under section 5.4 of the GEOMATRIX Research and Development Agreement, and (iii)
a copy of all submissions  to, and all responses and approvals  obtained from, a
regulatory  authority  relating  to the  Product.  Genta shall  promptly  inform
Apothecon of any default by GJT under the  GEOMATRIX  Research  and  Development
Agreement. Following any such default, Apothecon shall have the right, but shall
not be under any obligation of any nature whatsoever, expressly or impliedly, to
(i) cure any such default,  and/or (ii) pay Genta  directly  thereafter  for all
services performed by it under the GEOMATRIX Research and Development  Agreement
that  pertain to the Product and deduct and offset same from any monies  payable
thereafter by Apothecon to GJT.

       3.  Apothecon  shall have the right to exercise  the same audit rights as
GJT may exercise  under  section 4.6 of the GEOMATRIX  Research and  Development
Agreement, to the extent relating to the Product only.

       4. Genta shall defend,  indemnify and hold Apothecon,  Inc. harmless from
and against any and all losses,  liabilities,  damages and  expenses  (including
reasonable  attorneys' fees and costs) that Apothecon suffers as a result of any
claim,  demand,  action or other  proceeding  by any Third Party arising from or
relating to the *, its directors, officers, employees,  consultants or agents in
performing  its  obligations  under  the  GEOMATRIX   Research  and  Development
Agreement, except to the extent such losses,  liabilities,  damages and expenses
arise from the *, or their respective  directors,  officers,  general  partners,
employees,  consultants,  or agents (other than *). Apothecon, as an Indemnitee,
agrees to adhere to and be bound by the terms of  section  9.5 of the  GEOMATRIX
Research and  Development  Agreement,  as though such terms were fully set forth
herein (and with "Article 9" replaced by "Article 4 hereof").

        5. To the extent any  provisions  of the *  Agreements  or of any of the
GEOMATRIX Agreements conflict in any way with the terms of this Genta Waiver and
Consent Agreement, the terms of this agreement shall control.

        6. This  Waiver and Consent  shall be  effective  immediately  and shall
continue  in full force and effect  until  such time as  Apothecon  may elect to
terminate  it by a writing  delivered  to GJT and to Genta by a duly  authorized
officer  of  Apothecon,  or  until  the  termination  of  the  *  Marketing  and
Development Agreement, whichever occurs first.

       7. Any  consent,  notice or report  required or  permitted to be given or
made  hereunder  by one  party to the other  party  shall be in  English  and in
writing,  delivered  personally or by registered mail, return receipt requested,
addressed  to the other  party at its address  indicated  below or to such other
address as the addressee  shall have last  furnished in writing to the addressor
(with a copy  addressed  as well to the  attention of its "Legal  Counsel")  and
shall be effective upon receipt by the addressee.

      8. Each party  represents  and  warrants to the other  parties  hereto the
following:

              a)     Existence  and  Power.  It (i) is duly  organized,  validly
                     existing  and  in  good  standing  under  the  laws  of the
                     jurisdiction  in  which  it  is  organized;  (ii)  has  the
                     requisite  power and  authority  and the legal right to own


- - - ------------------
*    Confidential treatment requested. The redacted material has been separately
     filed with the Commission.


                                       -3-


<PAGE>

                     and operate its property and assets,  to lease the property
                     and assets it  operates  under  lease,  and to carry on its
                     business  as it is now  being  conducted;  and  (iii) is in
                     compliance with all  requirements of applicable law, except
                     to the  extent  that  any  noncompliance  would  not have a
                     material  adverse  effect  on  the  properties,   business,
                     financial or other condition of it and would not materially
                     adversely  affect its  ability to perform  its  obligations
                     under this Agreement.

              b)    Authorization and Enforcement of Obligations. It (i) has the
                    requisite  power and  authority and the legal right to enter
                    into the Agreement and to perform its obligations hereunder;
                    and (ii)  has  taken  all  necessary  action  on its part to
                    authorize the  execution and delivery of this  Agreement and
                    the performance of its obligations hereunder. This Agreement
                    has been duly  executed  and  delivered  on its behalf,  and
                    constitutes a legal, valid, binding obligation,  enforceable
                    against it in accordance with its terms.

              c)     No  Consents.   All  necessary   consents,   approvals  and
                     authorizations  of all  governmental  authorities and other
                     Persons  required to be obtained by it in  connection  with
                     the execution and  performance  of this Agreement have been
                     obtained.

              d)    No Conflict. The execution and delivery of this Agreement on
                    its behalf and the performance of its obligations  hereunder
                    (a) do not  conflict  with or  violate  any  requirement  of
                    applicable laws or regulations  applicable to it, and (b) do
                    not  conflict or are  inconsistent  with,  or  constitute  a
                    default under,  any  contractual or fiduciary  obligation or
                    covenant of it.

       9. This Genta Waiver and Consent Agreement shall inure to the benefit of,
and be binding upon each party hereto, and its respective successors,  permitted
assigns  and legal  representatives.  Any party may also  assign  its rights and
obligations  under this  Agreement  without the consent of the other  parties in
connection with a merger,  consolidation or the sale of all or substantially all
of its assets to an  Affiliate  agreeing to be bound by same,  or may  otherwise
assign  its  rights or  obligations  under  this  Agreement  only with the prior
written  consent of the other parties  hereto.  This Agreement shall survive any
merger,  consolidation  or similar  reorganization  of either party with or into
another   party  and  no  consent  for  a  merger,   consolidation   or  similar
reorganization  shall be required  hereunder.  Any  assignment not in accordance
with this Agreement shall be void.

       10. This Genta  Waiver and Consent  Agreement,  together  with all of the
documents referred to herein, constitute the total and complete agreement of the
parties and supersede all prior  understandings  and agreements hereto made, and
there are no other representations, understandings or agreements relating to the
subject matter hereof that are not set forth herein on which a party has relied.
All  other  terms and  conditions  of the  GEOMATRIX  Research  and  Development
Agreement,  to the extent not changed or  supplemented  by this Genta Waiver and
Consent Agreement, remain in full force and effect.

       11.  This Genta  Waiver and  Consent  Agreement  shall be governed by and
construed in accordance with the laws of Switzerland,  without  reference to the
conflicts of law principles thereof.

       12. No  provision  of this Genta  Waiver and  Consent  Agreement,  or the
benefit thereof may be waived, altered,  amended or repealed in whole or in part
except by the written consent of all of the parties  hereto,  and no such waiver
or changed shall extend beyond the circumstances for which it is granted. Except
as specifically  provided for herein, the waiver from time to time by a party of
any of its rights or its failure to exercise  any remedy shall not operate or be
construed as a continuing  waiver of same or of any other of such party's rights
or remedies hereunder.

       13. If any term,  covenant or  condition of this Genta Waiver and Consent
Agreement or the application  thereof to any party or circumstance shall, to any
extent, be held to be invalid or  unenforceable,  then (1) the remainder of this
Agreement,  or the application of such term, covenant or condition to parties or
circumstances  other than those as to which it is held invalid or unenforceable,
shall not be affected  thereby  and each term,  covenant  or  condition  of this
Agreement shall be valid and be enforced to the fullest extent permitted by law;
and (2) the parties  hereto  covenant  and agree to  renegotiate  any such term,
covenant or  application  thereof in good faith in order to provide a reasonably
acceptable  alternative to the term,  covenant or condition of this Agreement or
the application 


                                       -4-


<PAGE>

thereof  that is invalid or  unenforceable,  it being the intent of the  parties
that the basic purposes of this Agreement are to be effectuated.

       14. Any dispute,  claim or controversy  between the parties  relating to,
arising  out of or in any way  connected  with this  Genta  Waiver  and  Consent
Agreement or any term or condition  hereof, or the performance by a party of its
obligations  hereunder,  whether before or after  termination of this Agreement,
shall be finally resolved by binding arbitration.  Whenever a party shall decide
to  institute  arbitration  proceedings,  it shall give  written  notice to that
effect to the other parties. Any arbitration  hereunder shall be conducted under
the Rules of  Conciliation  and  Arbitration  of the  International  Chamber  of
Commerce.  Any such arbitration  shall be conducted in the English language by a
panel of three (3)  arbitrators  appointed in  accordance  with such rules,  and
shall be held in Paris,  France.  The  arbitrators  shall have the  authority to
grant  specific  performance,  and to  allocate  between the parties the cost of
arbitration in such equitable manner as they determine.  Judgment upon the award
so rendered may be entered in any court having  jurisdiction  or application may
be made to such court for  judicial  acceptance  of any award so rendered and an
order of  enforcement,  as the case may be.  Whether a claim,  dispute  or other
matter in question  would be barred by the  applicable  statute of  limitations,
which also  shall  apply to any  arbitration  under this  Section  14,  shall be
determined by binding arbitration pursuant to this Section 14.

       15. It is expressly  agreed that the parties are independent  contractors
with one another under this Agreement and that the relationship  between the two
parties shall not  constitute a partnership,  joint venture or agency.  No party
shall have the authority to make any statements,  representations or commitments
of any kind,  or to take any action  which shall be binding on any other  party,
without the prior consent of the other party to do so.

       16.  This Genta  Waiver and Consent  Agreement  may be executed in two or
more counterparts,  each of which shall be deemed an original,  but all of which
together shall constitute one and the same instrument.  It shall not be strictly
construed against any party hereto.


                                       -5-


<PAGE>

      IN WITNESS WHEREOF, the parties below have duly executed this Genta Waiver
and Consent Agreement  through their respective duly authorized  representatives
as of the date first set forth above.

                                  GENTA INCORPORATED


                                  By:   /s/ Thomas H. Adams
                                        -------------------
                                        Thomas H. Adams, Ph.D.
                                        Chairman and Chief Executive Officer

We accept and agree to the  foregoing,  and  acknowledge  same by executing this
Genta Waiver and Consent Agreement through our duly authorized representatives:

GENTA JAGO TECHNOLOGIES BV              JAGO PHARMA AG


By     /s/ Thomas H. Adams              By:   /s/ Jacques Gonella
       -------------------                    -------------------
       Thomas H. Adams, Ph.D.                     Dr. Jacques Gonella
       Managing Director                          President


By     /s/ Jacques Gonella
       -------------------
       Dr. Jacques Gonella
       Managing Director



GENTA JAGO DELAWARE, L.L.C.


By     /s/ Thomas H. Adams
       -------------------
       Thomas H. Adams, Ph.D.
       Managing Director


By     /s/ Jacques Gonella
       -------------------
       Dr. Jacques Gonella
       Managing Director

APOTHECON, INC.


By     /s/ Lee Burg
       ------------
       Lee Burg
       President


                                       -6-


<PAGE>

                                EXHIBIT 3.6(III)

                                 JAGO PHARMA AG
                               EPTINGERSTRASSE 51
                                 CH-4132 MUFFENZ
                                   SWITZERLAND


                                                               February 28, 1996


Apothecon, Inc.
777 Scudders Mill Road
Plainsboro, New Jersey
USA
       ATTN: President

Genta Jago Technologies B.V., Swiss Branch
Grundstrasse 12
6343 Rotkreuz
SWITZERLAND
       ATTN: Executive Management Committee

Genta Jago Delaware, L. L - C
3550 General Atomics Court
San Diego, CA 92121
USA
       ATTN: President

Genta Incorporated
3550 General Atomics Court
San Diego, CA 92121
USA
       ATTN: President

              Re:   WAIVER AND CONSENT

Gentlemen:

       Reference is hereby made to:

       i)     An Agreement dated the date hereof by and between Apothecon, Inc.,
              a Delaware corporation,  and Genta Jago Technologies BV ("GJT"), a
              Dutch  company,  regarding  the  development  of *, using  certain
              proprietary  sustained  release  technology  licensed  to  GJT  by
              Jagotec AG (said agreement, as it may be supplemented,  changed or
              extended  from time to time  hereafter,  is  referred to as the "*
              Development  Agreement").  Each of you  acknowledges  receipt of a
              copy of said agreement; and

       ii)    An Agreement  dated the date hereof by and between  Apothecon  and
              Genta Jago Technologies BV ("GJT"), a Dutch company, regarding the
              grant of certain  license rights to Apothecon to make,  have made,
              use and sell * under certain  Patent Rights and Know-How  licensed
              to  GJT  pertaining  to  certain  proprietary   sustained  release
              technology  licensed to GJT by Jagotec AG (said  agreement,  as it
              may be


- - - ------------------
*    Confidential treatment requested. The redacted material has been separately
     filed with the Commission.


<PAGE>

              supplemented,  changed or extended from time to time hereafter, is
              referred   to  as  the  "*  License   Agreement").   Each  of  you
              acknowledges  receipt of a copy of said  agreement.  The * License
              Agreement and the *  Development  Agreement are referred to herein
              as the "* Agreements"; and

       iii)   The Restated GEOMATRIX Research and Development Agreement dated as
              of May 12,  1995 by and  among  GJT,  Jago  Pharma  AG,  as  Swiss
              corporation, Genta Incorporated ("Genta"), a Delaware corporation,
              and Genta Jago  Delaware,  L.L.C.  ("Genta  Jago LLC),  a Delaware
              limited liability company (the "GEOMATRIX Research and Development
              Agreement".

    All  capitalized  terms not  expressly  defined in this  Waiver and  Consent
agreement  ("the "Jago Pharma  Waiver and Consent  Agreement")  have the meaning
ascribed to such term in the * License Agreement.

    Jagotec AG and Genta are each 50% owners of the equity and income  interests
of GJT. Jagotec and Jago Pharma AG are Affiliates of one another, of GJT, and of
Jago  Holding AG, a Swiss  corporation.  Genta and GPM  Generic  Pharmaceuticals
Manufacturing Inc. (the latter entity being an Affiliate of Jagotec AG) are each
a 50% owner of the equity and income interests of Genta Jago LLC. Jago Pharma AG
acknowledges, and each of the parties signing below hereby acknowledges, that it
expects to derive  substantial  economic benefit,  directly or indirectly,  as a
result of the execution,  delivery and  performance of the * License  Agreement,
the * Development  Agreement,  and of the GEOMATRIX  Agreements.  Therefore,  in
order to induce Apothecon to execute,  deliver and perform the * Agreements,  to
make the payments required of Apothecon thereunder, and to accept GJT's promises
to discharge its  obligations  thereunder and otherwise,  and for other good and
valuable  consideration,  the  receipt  and  sufficiency  of  which  are  hereby
acknowledged, Jago Pharma AG hereby represents,  warrants, agrees, and covenants
to and with  Apothecon,  and each other party signing  below hereby  represents,
warrants, agrees and concurs, as follows:

    1.  (a)   Notwithstanding  any  provision  in  the  GEOMATRIX  Research  and
Development Agreement to the contrary:

       i. All  applications  filed by Jago Pharma AG pursuant to its obligations
       under the GEOMATRIX  Research and Development  Agreement as are necessary
       or useful for the  Registration of the Product shall be filed in the name
       of, and be owned by, Apothecon, and not GJT.

       ii. All data and  results  pertaining  to the Product  generated  by Jago
       Pharma AG under the Research  and  Development  Agreement  shall be owned
       solely by Apothecon. Concurrently with the execution and delivery of this
       Jago Pharma Waiver and Consent  Agreement,  Jago Pharma will turn over to
       Apothecon  all  data  and  results  heretofore  developed  by or  for  it
       pertaining  to the  Product.  Jago Pharrna AG will  thereafter  report in
       writing such data and results  developed by or for it not less frequently
       than  quarterly to Apothecon  and GJT (and monthly if requested by either
       party),  and will  immediately  transmit  all such data to  Apothecon  by
       magnetic media or such other method as Apothecon shall request.

       iii. In the event that the GEOMATRIX  Research and Development  Agreement
       should  terminate,  for whatever  reason and however  effected,  then, in
       addition to any remedies  available to APOTHECON  under the * Development
       and  Marketing  Agreement at law or in equity,  Jago Pharma AG shall,  at
       Apothecon's election and request,  enter into an agreement with Apothecon
       for  the  development  and  registration  of the  Product  on  terms  and
       conditions that, to the maximum practicable  extent,  require Jago Pharma
       AG to  perform  the same  obligations  and  observe  the same  terms  and
       conditions  as apply to it under the GEOMATRIX  Research and  Development
       Agreement  (without  regard  to Genta  and  Genta  Jago  LLC's  duties or
       responsibilities  thereunder),  and with Apothecon having the rights that
       GJT otherwise had under such GEOMATRIX Research and Development Agreement
       and with  APOTHECON  assuming  GJT's  obligations  under  such  GEOMATRIX
       Research and Development  Agreement to the extent such obligations do not
       conflict with or are in addition to the  obligations  that  Apothecon has
       under the * Development and Marketing Agreement.  In such event Apothecon
       shall be entitled to grant to Jago Pharma AG a * under the Patent  Rights
       and Knowhow solely to conduct the Research and  Development (as such term
       is defined in the GEOMATRIX


- - - ------------------
*    Confidential treatment requested. The redacted material has been separately
     filed with the Commission.


                                       -2-


<PAGE>

       Research and  Development  Agreement) that Jago Pharma AG is obligated to
       conduct under the GEOMATRIX Research and Development  Agreement,  and any
       payments for services performed thereafter by Jago Pharma AG with respect
       to the  development of the Product shall be made directly by APOTHECON to
       Jago Pharma AG.

              (b) If GJT breaches the * Development and Marketing Agreement with
       respect  to the  development  of the  Product in a manner  that  entitles
       APOTHECON to  terminate  same  pursuant to section  11.2.2.1 or 11. 2.2.2
       thereof,  or  makes  an  untrue  statement  that  entitles  APOTHECON  to
       terminate same pursuant to section 11.2.4.1 thereof,  and/or in the event
       that GJT  commences  proceedings  to  dissolve,  liquidate or wind up its
       affairs,  then, in addition to any remedies  available to it under said *
       Development  and  Marketing  Agreement  or  available  to it at law or in
       equity,  APOTHECON  may elect (by  delivering  a writing  to GJT and Jago
       Pharma AG of APOTHECON's intent to exercise its option),  for Jago Pharma
       AG to, and Jago  Pharma AG agrees  that it will,  promptly  enter into an
       agreement with APOTHECON under which: (i) Jago Pharma will, to the extent
       it has the right to do so,  ensure  that all  licenses,  sublicenses  and
       other rights and  privileges  granted by GJT under the * Development  and
       Marketing  Agreement shall continue without change,  and (ii) Jago Pharma
       will assume all rights and  obligations of GJT under articles 3, 4, 5, 6,
       11.4.5, 12, 14, 15.1, and 15.2 of the Development and Marketing Agreement
       and will  promptly  cure any  defaults  of GJT under said  articles,  any
       payments to be made  thereafter by APOTHECON  under said  articles  shall
       thereafter be paid to Jago Phanna,  and APOTHECON shall continue to enjoy
       all rights and privileges granted under said articles.

    2. Jago Pharma shall submit to Apothecon,  concurrently  with its submission
to GJT, a copy of (i) all reports, statements,  invoices, Product Workplans, and
budgets submitted by Jago Pharma AG to GJT or to the Steering Committee relating
to the Product,  (ii) a copy of all reports relating to the Product submitted to
GJT under section 5.4 of the GEOMATRIX Research and Development  Agreement,  and
(iii) a copy of all  submissions  to, and all responses  and approvals  obtained
from,  a  regulatory  authority  relating to the  Product.  Jago Pharma AG shall
promptly inform Apothecon of any default by GJT under the GEOMATRIX Research and
Development  Agreement.  Following  any such default,  Apothecon  shall have the
right, but shall not be under any obligation of any nature whatsoever, expressly
or  impliedly,  to (i) cure any such  default,  and/or  (ii) pay Jago  Pharma AG
directly  thereafter  for all  services  performed  by it  under  the  GEOMATRIX
Research and  Development  Agreement  that pertain to the Product and deduct and
offset same from any monies payable thereafter by Apothecon to GJT.

    3.  Apothecon  shall have the right to exercise the same audit rights as GJT
may  exercise  under  section  4.6 of the  GEOMATRIX  Research  and  Development
Agreement, to the extent relating to the Product only.

    4. Jago Pharma AG shall defend, indemnify and hold Apothecon,  Inc. harmless
from  and  against  any  and  all  losses,  liabilities,  damages  and  expenses
(including  reasonable  attorneys'  fees and costs) that Apothecon  suffers as a
result of any  claim,  demand,  action or other  proceeding  by any Third  Party
arising  from  or  relating  to  the  *,  its  directors,  officers,  employees,
consultants or agents in performing its obligations under the GEOMATRIX Research
and  Development  Agreement,  except to the  extent  such  losses,  liabilities,
damages and expenses arise from the *, or their respective directors,  officers,
general partners,  employees,  consultants, or agents (other than *). Apothecon,
as an  Indemnitee,  agrees to adhere to and be bound by the terms of section 9.5
of the GEOMATRIX Research and Development  Agreement,  as though such terms were
fully set forth herein (and with "Article 9" replaced by "Article 4 hereof").

    5.  To  the  extent  any  provisions  of the *  Agreements  or of any of the
GEOMATRIX  Agreements  conflict  in any way with the terms of this  Jago  Pharma
Waiver and Consent Agreement, the terms of this Agreement shall control.

    6. This Waiver and Consent shall be effective immediately and shall continue
in full force and effect until such time as Apothecon  may elect to terminate it
by a writing delivered to GJT and to Jago Pharma by a duly authorized officer of
Apothecon,  or  until  the  termination  of  the  *  Marketing  and  Development
Agreement, whichever occurs first.


- - - ------------------
*    Confidential treatment requested. The redacted material has been separately
     filed with the Commission.


                                       -3-


<PAGE>

    7. Any consent,  notice or report  required or permitted to be given or made
hereunder  by one party to the other  party  shall be in English and in writing,
delivered personally or by registered mail, return receipt requested,  addressed
to the other party at its address  indicated  below or to such other  address as
the addressee shall have last furnished in writing to the addressor (with a copy
addressed  as well  to the  attention  of its  "Legal  Counsel")  and  shall  be
effective upon receipt by the addressee.

8. Each party represents and warrants to the other parties hereto the following:

              a) Existence and Power. It (i) is duly organized, validly existing
       and in good standing  under the laws of the  jurisdiction  in which it is
       organized; (ii) has the requisite power and authority and the legal right
       to own and operate its  property  and assets,  to lease the  property and
       assets it operates under lease, and to carry on its business as it is now
       being  conducted;  and (iii) is in compliance  with all  requirements  of
       applicable  law,  except to the extent that any  noncompliance  would not
       have a material adverse effect on the properties,  business, financial or
       other  condition  of it and would not  materially  adversely  affect  its
       ability to perform its obligations under this Agreement.

              b)  Authorization  and Enforcement of Obligations.  It (i) has the
       requisite  power  and  authority  and the legal  right to enter  into the
       Agreement and to perform its  obligations  hereunder;  and (ii) has taken
       all necessary  action on its part to authorize the execution and delivery
       of this Agreement and the performance of its obligations hereunder.  This
       Agreement  has been  duly  executed  and  delivered  on its  behalf,  and
       constitutes a legal, valid, binding obligation, enforceable against it in
       accordance with its terms.

              c)  No   Consents.   All   necessary   consents,   approvals   and
       authorizations of all governmental authorities and other Persons required
       to be obtained by it in connection  with the execution and performance of
       this Agreement have been obtained.

              d) No Conflict.  The execution  and delivery of this  Agreement on
       its behalf and the  performance of its  obligations  hereunder (a) do not
       conflict  with  or  violate  any   requirement  of  applicable   laws  or
       regulations applicable to it, and (b) do not conflict or are inconsistent
       with,  or  constitute  a default  under,  any  contractual  or  fiduciary
       obligation or covenant of it.

    9. This Jago Pharma Waiver and Consent  Agreement shall inure to the benefit
of,  and be binding  upon each  party  hereto,  and its  respective  successors,
permitted  assigns  and legal  representatives.  Any party may also  assign  its
rights and  obligations  under this  Agreement  without the consent of the other
parties  in  connection  with a  merger,  consolidation,  or the  sale of all or
substantially all of its assets to an Affiliate agreeing to be bound by same, or
may otherwise  assign its rights or  obligations  under this Agreement only with
the prior written  consent of the other parties  hereto.  This  Agreement  shall
survive any merger, consolidation or similar reorganization of either party with
or into  another  party and no consent  for a merger,  consolidation  or similar
reorganization  shall be required  hereunder.  Any  assignment not in accordance
with this Agreement shall be void.

    10. This Jago Pharma Waiver and Consent  Agreement,  together with all other
documents to the extent  referred to herein,  constitute  the total and complete
agreement of the parties and supersede all prior  understandings  and agreements
hereto  made,  and  there  are  no  other  representations,   understandings  or
agreements  relating to the subject  matter hereof that are not set forth herein
on which a party has relied.  All terms and conditions of the GEOMATRIX Research
and  Development  Agreement,  to the extent not changed or  supplemented by this
Jago Pharma Waiver and Consent Agreement, remain in full force and effect.

    11. This Jago Pharma Waiver and Consent  Agreement  shall be governed by and
construed in accordance with the laws of Switzerland,  without  reference to the
conflicts of law principles thereof.

    12. No provision of this Jago Pharma  Waiver and Consent  Agreement,  or the
benefit thereof may be waived, altered,  amended or repealed in whole or in part
except by the written consent of all of the parties  hereto,  and no such waiver
or changed shall extend beyond the circumstances for which it is granted. Except
as specifically  provided for herein, the waiver from time to time by a party of
any of its rights or its failure to exercise any remedy


                                       -4-


<PAGE>
shall not operate or be construed as a continuing waiver of same or of any other
of such party's rights or remedies hereunder.

    13. If any term,  covenant  or  condition  of this Jago  Pharma  Waiver  and
Consent Agreement or the application thereof to any party or circumstance shall,
to any extent, be held to be invalid or unenforceable, then (1) the remainder of
this  Agreement,  or the  application  of such term,  covenant or  condition  to
parties or  circumstances  other  than  those as to which it is held  invalid or
unenforceable,  shall  not be  affected  thereby  and  each  term,  covenant  or
condition of this Agreement shall be valid and be enforced to the fullest extent
permitted by law; and (2) the parties  hereto  covenant and agree to renegotiate
any such term, covenant or application thereof in good faith in order to provide
a reasonably  acceptable  alternative to the term, covenant or condition of this
Agreement or the application thereof that is invalid or unenforceable,  it being
the intent of the parties that the basic  purposes of this  Agreement  are to be
effectuated.

    14. Any  dispute,  claim or  controversy  between the parties  relating  to,
arising out of or in any way connected  with this Jago Pharma Waiver and Consent
Agreement or any term or condition  hereof, or the performance by a party of its
obligations  hereunder,  whether before or after  termination of this Agreement,
shall be finally resolved by binding arbitration.  Whenever a party shall decide
to  institute  arbitration  proceedings,  it shall give  written  notice to that
effect to the other parties. Any arbitration  hereunder shall be conducted under
the Rules of  Conciliation  and  Arbitration  of the  International  Chamber  of
Commerce.  Any such arbitration  shall be conducted in the English language by a
panel of three (3)  arbitrators  appointed in  accordance  with such rules,  and
shall be held in Paris,  France.  The  arbitrators  shall have the  authority to
grant  specific  performance,  and to  allocate  between the parties the cost of
arbitration in such equitable manner as they determine.  Judgment upon the award
so rendered may be entered in any court having  jurisdiction  or application may
be made to such court for  judicial  acceptance  of any award so rendered and an
order of  enforcement,  as the case may be.  Whether a claim,  dispute  or other
matter in question  would be barred by the  applicable  statute of  limitations,
which also  shall  apply to any  arbitration  under this  Section  14,  shall be
deter-mined by binding arbitration pursuant to this Section 14.

    15. It is expressly agreed that the parties are independent contractors with
each other under this  Agreement and that the  relationship  between the parties
shall not constitute a partnership, joint venture or agency. No party shall have
the authority to make any  statements,  representations  or  commitments  of any
kind,  or to take any action which shall be binding on any other party,  without
the prior consent of the other party to do so.

    16. This Jago Pharma Waiver and Consent  Agreement may be executed in two or
more counterparts,  each of which shall be deemed an original,  but all of which
together shall constitute one and the same instrument.  It shall not be strictly
construed against any party hereto.


                                       -5-


<PAGE>

       IN WITNESS WHEREOF, the parties below have duly executed this Jago Pharma
Waiver  and  Consent   Agreement   through  their   respective  duly  authorized
representatives as of the date first set forth above.

                                                 JAGO PHARMA AG


                                                 By   /s/ Jacques Gonella
                                                      -------------------
                                                          Dr. Jacques Gonella
                                                          President


We accept and agree to the  foregoing,  and  acknowledge  same by executing this
Jago  Pharma  Waiver  and  Consent   Agreement   through  our  duly   authorized
representatives:

GENTA JAGO TECHNOLOGIES BV

By:    /s/ Thomas H. Adams
       -------------------
       Thomas H. Adams, Ph.D.
       Managing Director

By:    /s/ Jacques Gonella
       -------------------
       Dr. Jacques Gonella
       Managing Director


GENTA INCORPORATED

By:    /s/ Thomas H. Adams
       -------------------
       Thomas H. Adams, Ph.D.
       Chairman and Chief Executive Officer

GENTA JAGO DELAWARE, L.L.C.


By:    /s/ Thomas H. Adams
       -------------------
       Thomas H. Adams, Ph.D.
       Managing Director


By:    /s/ Jacques Gonella
       -------------------
       Dr. Jacques Gonella
       Managing Director

APOTHECON, INC.


By:    /s/ Lee Burg
       ------------
       Lee Burg
       President


                                       -6-


<PAGE>

                                 EXHIBIT 3.6(IV)

                                   JAGOTEC AG
                                  SEESTRASSE 47
                         CH-6052 HERGISWIL, SWITZERLAND


                                                               February 28, 1996


Apothecon, Inc.
777 Scudder Mills Road
Princeton, New Jersey 08536
USA
Attn.: President

Genta Jago Technologies BV
Grundstrasse 12
6343 Rotkreuz
SWITZERLAND

      Re:   WAIVER AND CONSENT

Gentlemen:

      Reference is hereby made to:

      i) An Agreement  dated the date hereof by and between  Apothecon,  Inc., a
Delaware  corporation,  and Genta Jago Technologies BV ("GJT"), a Dutch company,
regarding  the  development  and  marketing  of  *,  using  certain  proprietary
sustained release technology  licensed to GJT by Jagotec AG (said agreement,  as
it may be  supplemented,  changed or extended  from time to time  hereafter,  is
referred to as the "* Development  and Marketing  Agreement").  You  acknowledge
receipt of a copy of said agreement; and

      ii) An Agreement dated the date hereof by and between  Apothecon and Genta
Jago  Technologies BV ("GJT"),  a Dutch company,  regarding the grant of certain
license  rights to Apothecon to make,  have made,  use and sell * under  certain
Patent Rights and Know-How  licensed to GJT  pertaining  to certain  proprietary
sustained release technology  licensed to GJT by Jagotec AG (said agreement,  as
it may be  supplemented,  changed or extended  from time to time  hereafter,  is
referred to as the "* License Agreement").  You acknowledge receipt of a copy of
said  agreement.  The * License  Agreement and the *  Development  and Marketing
Agreement are referred to herein as the "* Agreements.";

       All  capitalized  terms not expressly  defined in this Waiver and Consent
agreement  ("the  "Jagotec  Waiver  and  Consent  Agreement")  have the  meaning
ascribed to such term in the * License Agreement.

       Jagotec  AG  ("Jagotec"),  a Swiss  corporation,  is party to a  Restated
GEOMATRIX  License  Agreement  between  Jagotec and GJT dated May 12, 1995 (said
agreement, as it may be supplemented,  changed or extended from time to time, is
referred  to herein as the  "License  Agreement")  and to a  Restated  GEOMATRIX
Manufacturing License Agreement between Jagotec and GJT dated May 12, 1995 (said
agreement, as it may be supplemented,  changed or extended from time to time, is
referred to herein as the "Manufacturing License Agreement").


- - - ------------------
*    Confidential treatment requested. The redacted material has been separately
     filed with the Commission.

<PAGE>

      Jagotec is a 50% owner of the equity and income  interests of GJT. Jagotec
is an Affiliate of GJT and of Jago Holding AG, a Swiss corporation. Accordingly,
the undersigned expects to derive, directly or indirectly,  substantial economic
benefit  as a  result  of  the  execution,  delivery  and  performance  of the *
Agreements.  Therefore,  in order to induce  Apothecon  to execute,  deliver and
perform the * Agreements, to make the payments required of Apothecon thereunder,
and to accept  GJT's  promises  to  discharge  its  obligations  thereunder  and
otherwise,  Jagotec hereby  represents,  warrants,  agrees, and covenants to and
with GJT and Apothecon as follows:

      1. Jagotec  agrees that any license  rights,  sublicense  rights and other
rights  granted or extended by GJT to Apothecon  under the * Agreements  are not
subject  to  the  terms  and  conditions  of  the  License   Agreement  and  the
Manufacturing  License  Agreement  and waives any rights  Jagotec  may have with
respect to the  enforcement of same against  Apothecon.  Jagotec  further agrees
that  Apothecon,  to the extent it is a  subcontractee  or  sublicensee of GJT's
rights  and  obligations  under  the  License  Agreement  and the  Manufacturing
Agreement, shall not be bound by any and all obligations and undertakings of GJT
under  either of said  Agreements,  and waives any rights  Jagotec may have with
respect to the enforcement of same against Apothecon.

      2. (a)  Jagotec  agrees  that,  in the event of an event that the  License
Agreement and/or the Manufacturing  License Agreement is or are terminated,  for
whatever  reason  and  whether  by action  taken by  Jagotec,  GJT or both,  and
notwithstanding any provision (including without limitation section 11.4) to the
contrary  in the  License  Agreement  and in the  Manufacturing  Agreement,  all
licenses,  sublicenses  and other rights and  privileges  granted or extended to
Apothecon  under the *  Agreements  shall  continue and remain in full force and
effect in accordance with their terms, without further action or election on the
part of Apothecon,  and Jagotec shall be deemed  simultaneously  to have assumed
the rights and  obligations of GJT under the * Agreements and will promptly cure
all defaults of GJT thereunder.

              (b) If GJT  breaches  the *  License  Agreement  in a manner  that
entitles  APOTHECON to terminate  same pursuant to section  11.2.2.1 or 11.2.2.2
thereof,  or makes an untrue statement that entitles APOTHECON to terminate same
pursuant to section  11.2.4.1  thereof,  and/or in the event that GJT  commences
proceedings to dissolve,  liquidate or wind up its affairs, then, in addition to
any  remedies  available  to it under  said  Agreement  or at law or in  equity,
APOTHECON may elect (by  delivering a writing to GJT and Jagotec of  APOTHECON's
intent to exercise such option) for Jagotec to, and Jagotec agrees that it will,
promptly enter into a new, separate agreement with APOTHECON under which (i) all
licenses, sublicenses and other rights and privileges granted by GJT under the *
License  Agreement shall continue without further action or election on the part
of  APOTHECON,  (ii) Jagotec will assume all rights and  obligations  of GJT and
promptly cure all defaults of GJT thereunder,  and (iii) all payments that would
otherwise have been made thereafter by APOTHECON  under the * License  Agreement
shall thereafter be paid to Jagotec.

              (c) If GJT  fails to make a payment  when due  under its  Restated
Working  Capital  Agreement  dated  as of May 12,  1995 (as  amended  by a First
Amendment  thereto dated as of July 11, 1995 and as the same may be amended from
time to time hereafter, and including any successor agreement thereto),  between
GJT and  Genta,  Incorporated,  a  Delaware  corporation  ("Genta"),  GJT and/or
Jagotec shall  promptly  inform  APOTHECON of same,  and APOTHECON may elect (by
delivering a writing to GJT and Jagotec of  APOTHECON's  intent to exercise such
option) at any time  thereafter  to terminate  the * License  Agreement  and for
Jagotec to, and Jagotec agrees that it will, promptly enter into a new, separate
agreement with  APOTHECON  under which (i) all licenses,  sublicenses  and other
rights  and  privileges  granted  by GJT  under the *  License  Agreement  shall
continue  without further action or election on the part of APOTHECON,  and (ii)
Jagotec  will assume all rights and  obligations  of GJT and  promptly  cure all
defaults of GJT  thereunder;  provided,  however,  that all payments  that would
otherwise have been made thereafter by APOTHECON  under the * License  Agreement
and otherwise under such new, separate agreement shall thereafter continue to be
paid to GJT by  APOTHECON,  until  APOTHECON  is duly  instructed  otherwise  in
writing by GJT and Jagotec AG.

      3. To the extent any provisions of the * Agreements supplement or conflict
with the terms of the GEOMATRIX Agreements,  the terms of the * Agreements shall
control.


- - - ------------------
*    Confidential treatment requested. The redacted material has been separately
     filed with the Commission.


                                       -2-


<PAGE>

      4. This Jagotec Waiver and Consent Agreement shall inure to the benefit of
Apothecon,  its successors,  assigns and legal representatives,  as well as GJT,
its successors,  assigns and legal  representatives,  and shall bind the Jagotec
and its successors and assigns.  This Jagotec Waiver and Consent  Agreement sets
forth the entire understanding of the GJT, Jagotec and Apothecon with respect to
the subject matter hereof,  and there are no other promises,  representations or
understandings, written or oral, not set forth herein.

      5. Each party  represents  and  warrants to the other  parties  hereto the
following:

              a) Existence and Power. It (i) is duly organized, validly existing
       and in good standing  under the laws of the  jurisdiction  in which it is
       organized; (ii) has the requisite power and authority and the legal right
       to own and operate its  property  and assets,  to lease the  property and
       assets it operates under lease, and to carry on its business as it is now
       being  conducted;  and (iii) is in compliance  with all  requirements  of
       applicable  law,  except to the extent that any  noncompliance  would not
       have a material adverse effect on the properties,  business, financial or
       other  condition  of it and would not  materially  adversely  affect  its
       ability to perform its obligations under this Agreement.

              b)  Authorization  and Enforcement of Obligations.  It (i) has the
       requisite  power  and  authority  and the legal  right to enter  into the
       Agreement and to perform its  obligations  hereunder;  and (ii) has taken
       all necessary  action on its part to authorize the execution and delivery
       of this Agreement and the performance of its obligations hereunder.  This
       Agreement  has been  duly  executed  and  delivered  on its  behalf,  and
       constitutes a legal, valid, binding obligation, enforceable against it in
       accordance with its terms.

              c)  No   Consents.   All   necessary   consents,   approvals   and
       authorizations of all governmental authorities and other Persons required
       to be obtained by it in connection  with the execution and performance of
       this Agreement have been obtained.

              d) No Conflict.  The execution  and delivery of this  Agreement on
       its behalf and the  performance of its  obligations  hereunder (a) do not
       conflict  with  or  violate  any   requirement  of  applicable   laws  or
       regulations applicable to it, and (b) do not conflict or are inconsistent
       with,  or  constitute  a default  under,  any  contractual  or  fiduciary
       obligation or covenant of it.

      6.  This  Jagotec  Waiver  and  Consent   Agreement   shall  be  effective
immediately  and shall  continue  in full  force and  effect  until such time as
Apothecon may elect to terminate it by a writing delivered to GJT and to Jagotec
by a duly  authorized  officer of Apothecon,  or until the  termination of the *
Agreements, whichever occurs first.

      7. Any consent, notice or report required or permitted to be given or made
hereunder  by one party to the other  party  shall be in English and in writing,
delivered personally or by registered mail, return receipt requested,  addressed
to the other party at its address  indicated  below or to such other  address as
the addressee shall have last furnished in writing to the addressor and shall be
effective upon receipt by the addressee.

              If to Jagotec:         Jagotec AG
                                     c/o Jago Pharma AG
                                     Eptingerstrasse 51
                                     CH-4132 Muttenz, Switzerland
                                     Attention:  Dr. Jacques Gonella

              with a copy to:        Rinderknecht Glaus & Stadelhofer
                                     Beethovenstrasse 7
                                     Postfach 4451
                                     CH-8002 Zurich, Switzerland
                                     Attention: Dr. Thomas M. Rinderknecht


- - - ------------------
*    Confidential treatment requested. The redacted material has been separately
     filed with the Commission.


                                       -3-


<PAGE>

                    If to GJT:       Genta Jago Technologies BV
                                     Swiss Branch
                                     Grundstrasse 12
                                     6343 Rotkreuz, Switzerland
                                     Attention: Executive Management Committee

                    with copies to:  Genta Incorporated
                                     3550 General Atomics Court
                                     San Diego, CA 92121, U.S.A.
                                     Attention: Thomas H. Adams, Ph.D.

                    and:             Pillsbury Madison & Sutro
                                     235 Montgomery Street, 15th Floor
                                     San Francisco, CA 94104, U.S.A.
                                     Attention: Thomas E. Sparks, Jr., Esq.

              If to
              APOTHECON:   Apothecon, Inc.
                                     777 Scudders Mill Road
                                     Plainsboro, New Jersey 08536 USA
                                     Attention: President

              with a copy to:        Apothecon, Inc.
                                     777 Scudders Mill Road
                                     Plainsboro, New Jersey 08536 USA
                                     Attention: Corporate Legal Counsel

       8. This  Jagotec  Waiver and Consent  Agreement  shall be governed by and
construed in accordance with the laws of Switzerland,  without  reference to the
conflicts of law principles thereof.

       9. Any dispute,  claim or  controversy  between the parties  relating to,
arising  out of or in any way  connected  with this  Jagotec  Waiver and Consent
Agreement or any term or condition hereof, or the performance by either party of
its obligations  hereunder,  whether before or after termination of this Jagotec
Waiver and Consent Agreement,  shall be finally resolved by binding arbitration.
Whenever a party shall decide to  institute  arbitration  proceedings,  it shall
give written notice to that effect to the other party. Any arbitration hereunder
shall be  conducted  under  the Rules of  Conciliation  and  Arbitration  of the
International  Chamber of Commerce.  Any such arbitration  shall be conducted in
the English language by a panel of three (3) arbitrators appointed in accordance
with such rules, and shall be held in Paris,  France. The arbitrators shall have
the authority to grant specific performance, and to allocate between the parties
the cost of  arbitration in such equitable  manner as they  determine.  Judgment
upon the award so rendered  may be entered in any court having  jurisdiction  or
application  may be made to such court for judicial  acceptance  of any award so
rendered  and an order of  enforcement,  as the  case may be.  Whether  a claim,
dispute or other matter in question would be barred by the applicable statute of
limitations,  which also shall apply to any  arbitration  under this  Section 9,
shall be determined by binding arbitration pursuant to this Section 9.

       10.  It is  expressly  agreed  that  the  parties  are  each  independent
contractors  with one another  under this  Agreement  and that the  relationship
between the two parties  shall not  constitute a  partnership,  joint venture or
agency.  Neither  party  shall  have  the  authority  to  make  any  statements,
representations or commitments of any kind, or to take any action which shall be
binding on the other party,  without the prior  consent of the other party to do
so.

       11. The provisions of this Jagotec  Waiver and Consent  Agreement may not
be  waived,  altered,  amended  or  repealed  in whole or in part  except by the
written consent of all of the parties hereto.


                                       -4-


<PAGE>

       12. The terms,  covenants,  conditions and provisions  contained  herein,
together with all other documetts to the extent  referred to herein,  constitute
the  total  and  complete  agreement  of the  parties  and  supersede  all prior
understandings   and   agreements   hereto   made,   and   there  are  no  other
representations,  understandings  or agreements  relating to the subject  matter
hereof.

       13. This Jagotec  Waiver and Consent  Agreement may be executed in two or
more counterparts,  each of which shall be deemed an original,  but all of which
together shall constitute one and the same instrument.  It shall not be strictly
construed against any party hereto.

       14. This Jagotec Waiver and Consent  Agreement shall inure to the benefit
of,  and be binding  upon each  party  hereto,  and its  respective  successors,
permitted  assigns  and legal  representatives.  Any party may also  assign  its
rights and  obligations  under this  Agreement  without the consent of the other
parties  in  connection  with a  merger,  consolidation,  or the  sale of all or
substantially all of its assets to an Affiliate agreeing to be bound by same, or
may otherwise  assign its rights or  obligations  under this Agreement only with
the prior written  consent of the other parties  hereto.  This  Agreement  shall
survive any merger, consolidation or similar reorganization of either party with
or into  another  party and no consent  for a merger,  consolidation  or similar
reorganization  shall be required  hereunder.  Any  assignment not in accordance
with this Agreement shall be void.

       15. No  provision of this Jagotec  Waiver and Consent  Agreement,  or the
benefit thereof may be waived, altered,  amended or repealed in whole or in part
except by the written consent of all of the parties  hereto,  and no such waiver
or changed shall extend beyond the circumstances for which it is granted. Except
as specifically  provided for herein, the waiver from time to time by a party of
any of its rights or its failure to exercise  any remedy shall not operate or be
construed as a continuing  waiver of same or of any other of such party's rights
or remedies hereunder.

       16. If any term, covenant or condition of this Jagotec Waiver and Consent
Agreement or the application  thereof to any party or circumstance shall, to any
extent, be held to be invalid or  unenforceable,  then (1) the remainder of this
Agreement,  or the application of such term, covenant or condition to parties or
circumstances  other than those as to which it is held invalid or unenforceable,
shall not be affected  thereby  and each term,  covenant  or  condition  of this
Agreement shall be valid and be enforced to the fullest extent permitted by law;
and (2) the parties  hereto  covenant  and agree to  renegotiate  any such term,
covenant or  application  thereof in good faith in order to provide a reasonably
acceptable  alternative to the term,  covenant or condition of this Agreement or
the application thereof that is invalid or unenforceable, it being the intent of
the parties that the basic purposes of this Agreement are to be effectuated.


                                       -5-


<PAGE>

       IN WITNESS  WHEREOF,  the parties  below have duly  executed this Jagotec
Waiver  and  Consent   Agreement   through  their   respective  duly  authorized
representatives as of the date first set forth above.

                                                  JAGOTEC AG


                                                  By:   /s/ Jacquest Gonella
                                                        --------------------
                                                           Dr. Jacques Gonella
                                                           President


We accept and agree to the  foregoing,  and  acknowledge  same by executing this
Jagotec   Waiver   and   Consent   Agreement   through   our   duly   authorized
representatives:

GENTA JAGO TECHNOLOGIES BV


By:    /s/ Jacques Gonella
       -------------------
              Dr.Jacques Gonella
              Managing Director


By:    /s/ Thomas H. Adams
       -------------------
              Thomas H. Adams, Ph.D.
              managing Director

APOTHECON, INC.


By:    /s/ Lee Burg
       ------------

Title: VP/GM

Date:


                                       -6-


<PAGE>

                                   EXHIBIT 9.1
                          LIST OF GEOMATRIX TRADEMARKS
- - - --------------------------------------------------------------------------------


Country                                  TM-No.              Issue Date
- - - -------------------------------               ------------             --------
International                           522 445              April 8, 1988
Registration (25 countries)

Canada                                  369 959              May 29, 1990

Switzerland                             360 353              November 11, 1987

United Kingdom (class 1)               1415 927              March 24, 1990

United Kingdom (class 5)               1353 226              August 2, 1995 *)

Greece                                   90 337              August 25, 1955

Japan                                  2578 899              September 30, 1993

New Zealand                             185 989              July 28, 1995

Portugal **)                            303 292              September 12, 1994

Sweden                                  223 455              May 10, 1991

United States                          1562 880              October 31, 1989




*)    renewal date
**)  registration not yet granted



                                                                   EXHIBIT 10.91
                        CONFIDENTIAL TREATMENT REQUESTED

                  OPTION , DEVELOPMENT & SUB-LICENSE AGREEMENT
                                       *



This OPTION, DEVELOPMENT AND SUB-LICENSE AGREEMENT (this "AGREEMENT"), effective
from the date last  written  hereunder,  is  entered  into  between  GENTA  JAGO
TECHNOLOGIES  B.V., a Dutch company,  having a place of business at Grundstrasse
12, 6343 Rotkreuz,  Switzerland  (hereinafter  referred to as "GENTA JAGO"), and
KRYPTON LTD., a Gibraltar  limited  company,  having a place of business at East
Wing,  Second Level,  Hadfield  House,  Library Street,  Gibraltar  (hereinafter
referred to as "KRYPTON")



                                   WITNESSTH:


WHEREAS,  GENTA JAGO has  expertise  in the  development  of  controlled-release
formulations for pharmaceutical agents and in particular has exclusive rights to
proprietary know-how and technology generally known and commercialized under the
registered  trademark  GEOMATRIX(R) and as described and embodied in the Patents
(as defined  below) with respect to  product(s)  containing * as the sole active
ingredient; and

WHEREAS,  KRYPTON is a company  which  markets  pharmaceutical  products  and is
interested in developing Prototype Formulations (as defined below) for the Final
Products  (as  defined   below)  and  in  seeking  the  approval  of  Regulatory
Authorities (as defined below) to manufacture,  or have  manufactured and market
the Final Products in the Territory (as defined below); and

WHEREAS, GENTA JAGO is prepared to conduct or have conducted certain studies and
the development of the Prototype Formulations and Final Products; and

WHEREAS,  GENTA  JAGO is  prepared  to grant to  KRYPTON  under  the  terms  and
conditions  set forth  hereafter  an option to  sub-license  under the  Patents,
GEOMATRIX(R)  Technology  and  Know-How  (as defined  below) to conduct  studies
relating to the  Prototype  Formulations  and,  upon  receipt of approval by the
Regulatory  Authority (as defined below),  to manufacture or have  manufactured,
market and sell the Final Products in the Territory.


NOW, THEREFORE,  for and in consideration of the premises,  mutual covenants and
agreements  contained  herein and  intending  to be legally  bound  hereby,  the
Parties hereby agree as follows:


- - - ------------------
*    Confidential treatment requested. The redacted material has been separately
     filed with the Commission.


<PAGE>

                                    ARTICLE 1
                                   DEFINITIONS

         For  purposes of this  Agreement,  the terms  defined in this Article 1
         shall have the following meanings:

1.1  "Active Ingredient" shall mean *.

1.2  "Affiliate"   shall  mean,  with  respect  to  either  Party  hereto,   any
     corporation,  partnership  or other entity  controlled  by,  controlling or
     under common control with,  such Party,  with  "control"  meaning direct or
     indirect  beneficial  ownership of more than 50% of the voting power of, or
     more than 50% of ownership  interest in, such  corporation,  partnership or
     other entity.

1.3  "FDA"  shall mean the U.S.  Federal  Food and Drug  Administration  and any
     successor agency thereof.

1.4  "Final   Products"  shall  mean  the   pharmaceutical   orally-administered
     controlled-release formulation containing the Active Ingredient,  presented
     as a compressed tablet developed  pursuant to this Agreement,  based on the
     GEOMATRIX(R) Technology and meeting the Specifications.

1.5  "GEOMATRIX(R)  Technology"  shall  mean  the oral  controlled-release  drug
     delivery  and related  technology  licensed  to GENTA JAGO by the  Licensor
     which utilizes a hydrophilic  drug-containing  matrix tablet which controls
     the release of the drug through the use of one or more barrier layers.

1.6  "Know-How"  shall mean all  information  and data,  which are not generally
     known  --------  including,  but not limited to,  patent claims and related
     information  not  yet  disclosed  to  the  public,  formulae,   procedures,
     protocols, techniques and results of experimentation and testing, which (a)
     relate to the  GEOMATRIX(R)Technology,  any  Prototype  Formulation  or any
     Final Product,  or (b) are necessary or useful to develop,  make or use any
     Prototype  Formulation,  or (c) are  necessary  or useful to develop,  seek
     regulatory approval, make, use or sell any Final Product, all to the extent
     presently  or  during  the term of this  Agreement  licensed  or  otherwise
     available to and at the free disposition of GENTA JAGO.

1.7  "Leading Dose Strength"  shall mean the dose strength of Active  Ingredient
     to be used in the first to be developed Prototype Formulations, as mutually
     agreed upon by the Parties, together with the respective Specifications.

1.8  "License  Agreements" shall mean the license agreements entered into by and
     between GENTA JAGO and the Licensor, under which the Licensor granted GENTA
     JAGO  the  rights  in  the  Patents,  the  Know-How  and  the  GEOMATRIX(R)
     Technology,  which are the subject matter of the sub-license referred to in
     Article 11. below.


- - - ------------------
*    Confidential treatment requested. The redacted material has been separately
     filed with the Commission.


                                       -2-


<PAGE>


1.9  "Licensor" shall mean Jagotec AG, a Swiss corporation,  having its place of
     business at Seestrasse 91, CH-6052 Hergiswil, Switzerland.

1.10 "NDA"  shall mean any New Drug  Application  filed with the FDA,  by or for
     KRYPTON requesting authorization to manufacture,  have manufactured or sell
     any Final  Product  in the  United  States of  America,  or any  equivalent
     application  to  a  Regulatory  Authority  in  any  other  country  of  the
     Territory.

1.11 "Net Sales" shall mean, with respect to any Final Product(s),  the invoiced
     sales price of ---------  such Final  Product(s)  in finished  package form
     invoiced by KRYPTON and/or its Affiliates to any independent customer other
     than  KRYPTON's  Affiliates,  less (a) credits,  allowances,  discounts and
     rebates to, and chargebacks from the account of, such independent customers
     for spoiled, damaged, out-dated, rejected or returned Final Product(s); (b)
     actual freight and insurance  costs incurred and paid by KRYPTON and/or its
     Affiliates  in  transporting  such Final  Product(s)  in final form to such
     customers; (c) customary cash, quantity and trade discounts and other price
     reduction programs; (d) sales, use, value-added and other direct taxes (but
     excluding any income tax) actually  incurred and paid by KRYPTON and/or its
     Affiliates;  and (e)  customs  duties,  surcharges  and other  governmental
     charges  incurred by KRYPTON and/or its  Affiliates in connection  with the
     exportation or importation of such Final Product(s) in final form.

1.12 "Patents"  shall mean all patents  and patent  applications  heretofore  or
     hereafter filed or ------- having presently or in the future legal force in
     any country of the Territory,  licensed by the Licensor to GENTA JAGO which
     claim the  GEOMATRIX(R)Technology  or the process to manufacture  Prototype
     Formulations  and/or  Final  Products  by  use  of,  or  the  use  of,  the
     GEOMATRIX(R)Technology, including but not limited to the patents and patent
     applications listed in APPENDIX A hereto, together with all patents that in
     the future  issue  therefrom  in any  country of the  Territory,  including
     utility,  model and design patents and  certificates of invention,  and all
     divisionals,  continuations,  continuations-in-part,   reissues,  renewals,
     extensions,  substitutions,  confirmations or additions to any such patents
     and patent applications,  all to the extent presently or during the term of
     this  Agreement  licensed  or  otherwise  available  to  and  at  the  free
     disposition of GENTA JAGO.

1.13 "Prototype  Formulations" shall mean the oral delivery system for both, the
     Leading  Dose  Strength  and  the  Subsequent  Dose  Strength,   of  Active
     Ingredient  based on the  GEOMATRIX(R)  Technology that reasonably meet the
     Specifications.

1.14 "Reference  Products" shall mean the products  containing Active Ingredient
     listed in APPENDIX B.

1.15 "Regulatory  Authority"  shall  mean the FDA and any  equivalent  competent
     regulatory authority in the other countries of the Territory.

1.16 "Specifications"  shall  mean the  Product  specifications  to be  mutually
     decided and agreed upon by the Parties for the Leading  Dose  Strength  and
     the  Subsequent  Dose  Strength  and as set  forth  from  time  to  time in
     Appendixes to this Agreement.


                                       -3-


<PAGE>

1.17 "Subsequent   Dose  Strength"  shall  mean  the  dose  strength  of  Active
     Ingredient to be used in Prototype  Formulations to be developed  hereunder
     subsequent to the Prototype  Formulations for the Leading Dose Strength, as
     mutually  agreed  upon  by  the  Parties,   together  with  the  respective
     Specifications, at the appropriate time.

1.18 "Territory" shall mean *.


                                    ARTICLE 2
                    GRANT OF OPTION AND DEVELOPMENT PREAMBLE

2.1  GENTA JAGO hereby  grants to KRYPTON an exclusive  option to develop and to
     acquire a sub-licensese  (hereinafter referred to as the "License") to use,
     manufacture,  have manufactured,  sell and market the Final Products in the
     Territory and to use the Patents,  GEOMATRIX(R)  Technology and Know How as
     further set forth  hereinafter.  This option may be exercised by KRYPTON in
     writing at any time on or before the earlier of (i)* or (ii) within *. Upon
     timely  exercise  of  this  option  the  terms  and  provisions  set  forth
     hereinafter for the development, registration and sub-license for the Final
     Products  shall come into full force and effect.  Should KRYPTON not timely
     exercise its option granted  hereunder or inform GENTA JAGO in writing that
     KRYPTON does not wish to exercise the option, then GENTA JAGO shall be free
     to develop,  sub-license and market the Final Products for its own purposes
     or for and to any other third party.

2.2  The Parties  agree that upon  KRYPTON's  exercise of the option  granted in
     Section 2.1. above GENTA JAGO shall  commence the  development of Prototype
     Formulations  for the Leading  Dose  Strength  pursuant to this  Agreement.
     During the term of this  Agreement,  KRYPTON shall have a further option of
     whether or not and when to commence  development of Prototype  Formulations
     for the Subsequent Dose Strength by giving written notice to that effect to
     GENTA JAGO.  If and when  KRYPTON so elects and GENTA JAGO so agrees,  than
     the terms and conditions for the development as set forth hereinafter shall
     apply  accordingly to the Prototype  Formulations  for the Subsequent  Dose
     Strength, except where explicitly stated otherwise below.

2.3  At the date of  execution  of this  Agreement,  GENTA  JAGO  has  performed
     certain  preliminary  development  efforts for the Prototype  Formulations.
     This development is hereby incorporated in this Agreement.

2.4  GENTA  JAGO   undertakes  to  conduct  the  development  of  the  Prototype
     Formulation(s)


                                       -4-


<PAGE>

     and the Final Product(s) in an efficient and professional  manner.  KRYPTON
     shall actively  support GENTA JAGO regarding the development and studies to
     be executed by GENTA JAGO as may be reasonably  required by GENTA JAGO from
     time to time. In particular,  KRYPTON shall provide information  reasonably
     requested by GENTA JAGO relating to the Active  Ingredient for the purposes
     of  carrying  out  this  development,   including,   but  not  limited  to,
     physico-chemical  characteristics,   safe-handling  instructions,  in-vitro
     analytical  methods,  degradation  products and  standards  and  analytical
     methods  therefore.  Additionally,  KRYPTON  shall  provide  to GENTA  JAGO
     requested data and adequate quantities of samples of Reference Products for
     the purposes of conducting the Feasibility Study. KRYPTON,  however,  shall
     not be required to provide  information  regarding the  Reference  Products
     which is not in the public  domain,  unless  KRYPTON is duly  authorized to
     possess and disclose such  non-public  information.  Any costs and expenses
     incurred  by  KRYPTON in  connection  with such  support  shall be borne by
     KRYPTON.

2.5  Due to the nature and  complexity  of the  development  and the  respective
     studies  as  set  forth  in  this  Agreement,  the  Parties  recognize  and
     acknowledge that problems and delays may occur which render the time limits
     set in this  Agreement  and/or the time-frame of the  development  mutually
     agreed upon difficult or impossible to  accomplish.  The Parties agree that
     they  shall  immediately  inform  each  other in  writing in the event that
     significant  problems or delays are  encountered  or  envisaged  during the
     course of the  development  and shall  discuss such  problems and delays in
     order to agree on a mutually  acceptable revision of the time limits set in
     this Agreement and/or the time-frames mutually agreed upon.

2.6  Together  with the notice from KRYPTON to GENTA JAGO referred to in Section
     3.1 below, KRYPTON, or its designated supplier,  shall supply GENTA JAGO on
     a free-of- charge basis with sufficient  quantities of Active Ingredient to
     perform the development program intended hereunder.  Such supplies shall be
     accompanied with respective certificates of analysis and conformity.  GENTA
     JAGO shall use all Active  Ingredient  supplied to it by KRYPTON  hereunder
     solely and exclusively in connection with the development  program mutually
     agreed upon.

     Alternatively,  KRYPTON  may  request  that GENTA  JAGO  obtain a supply of
     Active  Ingredient from a reputable source having the necessary  regulatory
     clearances  in place to allow future  marketing of the Final Product in the
     Territory.  Should  KRYPTON so require and GENTA JAGO so agree,  the chosen
     supplier's  facilities,  processes and procedures shall be audited by GENTA
     JAGO,  or a third party  mutually  acceptable to KRYPTON and GENTA JAGO, in
     order to ensure  compliance with the appropriate  regulatory  requirements.
     KRYPTON shall reimburse all direct costs of GENTA JAGO incurred in carrying
     out, or having  carried out such audit.  GENTA JAGO shall  provide  KRYPTON
     with  a copy  of  the  audit  report  within  thirty  (30)  days  as of the
     completion of the audit.

2.7  In the event that GENTA JAGO becomes  responsible  for the supply of Active
     Ingredient,  KRYPTON shall * related  thereto and shall  further  reimburse
     GENTA JAGO any and all shipping and  transportation  costs,  import duties,
     taxes or other


- - - ------------------
*    Confidential treatment requested. The redacted material has been separately
     filed with the Commission.

                                       -5-


<PAGE>

     costs  incurred  by GENTA  JAGO in  connection  with such  supply of Active
     Ingredient promptly upon receipt of GENTA JAGO's respective invoices.


                                    ARTICLE 3
                                FEASIBILITY STUDY

3.1  By the notice of exercise  of the option  granted in Section 2.1 above from
     KRYPTON the development program contemplated  hereunder shall be initiated.
     Not later than two (2) months as of the receipt of (i) such notice,  (ii) a
     *  and  (iii)  the  Active  Ingredient,   GENTA  JAGO  shall  commence  the
     feasibility  study  under this  Article  3. and shall use its  commercially
     reasonable efforts to develop the Prototype  Formulations.  Up to three (3)
     of the developed Prototype Formulations shall be chosen by mutual agreement
     by the Parties for further study and development.

     The  Parties  recognize  that  the  Specifications   mutually  agreed  upon
     eventually  will need to be updated with more detailed  specifications  for
     the Final  Product in the course of the  development,  and in such case the
     Parties  agree  to  mutually  agree  on  any  reasonable  amendment  of the
     Specifications.

3.2  The  development  of the  Prototype  Formulations  shall  include,  but not
     necessarily be limited to, the following elements:

     (a)  Development and  establishment of analytical  methodology  specific to
          the characterization of such Prototype Formulations;

     (b)  Qualitative  and  quantitative   characterization  of  such  Prototype
          Formulation;

     (c)  In-vitro   release   profile   characterization   of  such   Prototype
          Formulations  and the  Originator  by  using  appropriate  methodology
          mutually agreed to by the Parties;

     (d)  Elaboration  of pre-scale up procedures  and the production of samples
          (2000  units  +/-  10%)  of  the  chosen  Prototype  Formulations  for
          evaluation by KRYPTON, and for use in the Pilot  Pharmacokinetic Study
          under Article 4. below; and

     (e)  Accelerated stability testing of Prototype Formulations to provide *.

3.3  GENTA JAGO will  ensure the use of  generally  accepted  standards  of Good
     Laboratory  and  Manufacturing  Practices  during  the  performance  of the
     feasibility study.

3.4  Within thirty (30) days of the completion of the feasibility  study,  GENTA
     JAGO shall supply  KRYPTON with a report (the  "Feasibility  Study Report")
     reasonably  detailing the development of the Prototype  Formulation(s)  and
     containing one (1) month  accelerated  stability data only. A supplement to
     the Feasibility  Study Report  containing the * accelerated  stability data
     will be forwarded sixty (60) days later.


- - - ------------------
*    Confidential treatment requested. The redacted material has been separately
     filed with the Commission.


                                       -6-


<PAGE>

3.5  Prior to the commencement of the Feasibility  Study GENTA JAGO shall submit
     to KRYPTON a * for the entire Feasibility Study which * shall be reasonably
     acceptable to KRYPTON.  KRYPTON shall  reimburse GENTA JAGO's *, reasonably
     incurred  by GENTA JAGO during the  Feasibility  Study,  including  but not
     limited to costs,  expenses  and fees paid to Jago  Pharma and third  party
     contractors,  by the  payment  of  non-refundable  development  fees.  Such
     development costs shall be refunded by KRYPTON to GENTA JAGO * upon receipt
     by KRYPTON of an invoice from GENTA JAGO or Jago Pharma AG.

3.6  In the  event  that  the  results  of the  feasibility  study  conclusively
     demonstrate  that  no  Prototype   Formulation  has  been  developed  which
     reasonably meets the  Specifications to the good faith mutual  satisfaction
     of  KRYPTON  and GENTA  JAGO,  the  Parties  agree to enter into good faith
     negotiations  in  order to  determine  an  appropriate  course  of  action,
     including,  but not limited to,  that the  Parties  may  mutually  agree to
     abandon the development  program under this  Agreement,  and terminate this
     Agreement with immediate effect.


                                    ARTICLE 4
                           PILOT PHARMACOKINETIC STUDY

4.1  Included as part of the  feasibility  study  described in Article 3. above,
     KRYPTON shall,  at its own  responsibility  and its own cost,  sub-contract
     under  confidentiality  commitments  comparable in all material respects to
     the  provisions  set forth  herein  between  GENTA  JAGO and  KRYPTON to an
     external qualified clinical research  organization  (hereinafter  "CRO") to
     perform a pilot pharmacokinetic study pursuant to this Article 4.

4.2  The Pilot  Pharmacokinetic  Study shall consist of commercially  reasonable
     and  appropriately  designed  *  of  the  Prototype  Formulations  and  the
     Originator.  KRYPTON shall reasonably consult with GENTA JAGO in the design
     of the Pilot Pharmacokinetic Study and shall review the final protocol with
     GENTA JAGO prior to initiating work with the selected  sub-contractor.  The
     Pilot Pharmacokinetic Study shall be conducted in accordance with generally
     accepted standards of Good Clinical Practice and in compliance with Ethical
     Committee requirements or equivalent requirements, where applicable.

4.3  Prior to the  commencement  of the Pilot  Pharmacokinetic  Study GENTA JAGO
     shall  submit to KRYPTON a * for the  entire  Pilot  Pharmacokinetic  Study
     which * shall be reasonably acceptable to KRYPTON.  KRYPTON shall reimburse
     GENTA  JAGO's  *,  reasonably  incurred  by GENTA  JAGO  during  the  Pilot
     Pharmacokinetic  Study,  including  but not limited to costs,  expenses and
     fees paid to Jago  Pharma and third  party  contractors,  by the payment of
     non-refundable  development  fees. Such development costs shall be refunded
     by KRYPTON to GENTA JAGO *

- - - ------------------
*    Confidential treatment requested. The redacted material has been separately
     filed with the Commission.


                                      -7-


<PAGE>

     upon receipt by KRYPTON of an invoice from GENTA JAGO or Jago Pharma AG.

4.4  KRYPTON  shall  provide  GENTA JAGO with a copy of the report  (hereinafter
     referred  to  as  the  "Pilot  Pharmacokinetic  Study  Report")  reasonably
     detailing  the results of the Pilot  Pharmacokinetic  Study  within six (6)
     weeks as of the study's completion and presentation of the preliminary data
     for GENTA JAGO's file.

4.5  GENTA  JAGO shall  have no  liability  or  responsibility  whatsoever  with
     respect to such Pilot Pharmacokinetic  Study,  including without limitation
     the  availability  or  quality  of the  results  and data from  such  Pilot
     Pharmacokinetic Study to be carried out by KRYPTON and the CRO.

4.6  In  the  event  that  the  results  of  the  Pilot   Pharmacokinetic  Study
     conclusively  demonstrate  that it is not  fully  demonstrated  to the good
     faith  mutual  satisfaction  of KRYPTON and GENTA JAGO that at least one of
     the Prototype Formulations  reasonably meet the respective  Specifications,
     the  Parties may  mutually  agree to abandon  the  development  program and
     terminate this Agreement with respect to such Prototype Formulation.


                                    ARTICLE 5
                             PRE-SCALE-UP ACTIVITIES

5.1  Upon  completion of the Pilot  Pharmacokinetic  Study,  KRYPTON may, at its
     option,  request  and  charge  GENTA  JAGO to  carry  out the  pre-scale-up
     activities as described in this Article 5. (hereinafter  referred to as the
     "Pre-Scale-Up Activities").  KRYPTON shall, within thirty (30) days as from
     the date of the Pilot  Pharmacokinetic Study Report notify in writing GENTA
     JAGO of its decision whether to proceed with and to have GENTA JAGO perform
     the Pre-Scale-Up Activities.

5.2  Prior to the commencement of the  Pre-Scale-Up  Activities GENTA JAGO shall
     submit to KRYPTON a * for the entire Pre-Scale-Up  Activities which * shall
     be reasonably  acceptable to KRYPTON.  KRYPTON shall reimburse GENTA JAGO's
     *,  reasonably  incurred by GENTA JAGO during the  Pre-Scale  Up  activity,
     including  but not limited to costs,  expenses and fees paid to Jago Pharma
     and third party contractors,  by the payment of non-refundable  development
     fees.  Such pre scale up costs shall be refunded by KRYPTON to GENTA JAGO *
     upon receipt by KRYPTON of an invoice from GENTA JAGO or Jago Pharma AG.

5.3  The  Pre-Scale-Up  Activities to be performed by GENTA JAGO shall  comprise
     all reasonable  activities  necessary to allow the technology  transfer to,
     and subsequent  scale-up at, the mutually  established  manufacturing site,
     including,  but  not  limited  to,  final  optimization  of  the  Prototype
     Formulation (where  necessary),  development and validation of the scale-up
     manufacturing  procedure  and  analytical  validation.   Such  Pre-Scale-Up
     Activities  shall be completed  within the time period mutually agreed upon
     by the Parties


- - - ------------------
*    Confidential treatment requested. The redacted material has been separately
     filed with the Commission.


                                       -8-


<PAGE>

     in  Appendix  D  hereto,  calculated  as from  the date of  receipt  of the
     KRYPTON's notice by GENTA JAGO pursuant to Section 5.1 above.

5.4  In  the  event  that  additional   clinical   testing,   including  without
     limitation,  confirming  pharmacokinetic studies, is reasonably required or
     deemed necessary beyond the program envisaged in this Agreement in order to
     satisfy the FDA  requirements  for an NDA or ANDA  approval of the Product,
     KRYPTON and GENTA JAGO shall meet to discuss in good faith the  appropriate
     course of action to be followed and agree upon any such additional  testing
     to be  performed,  provided that any such  additional  testing shall in any
     event be funded solely by KRYPTON.

5.5  Not later than upon the  initiation  of the  Pre-Scale-Up  Activities,  the
     Parties shall establish and mutually agree upon a manufacturing site, where
     the  Bio-Batches  referred to in Section 7.2 below required for the pivotal
     clinical  studies  will be produced  and where the Final  Product  shall be
     manufactured for commercial use after FDA approval(s) for the Final Product
     have been granted.


                                    ARTICLE 6
                        PRE-PIVOTAL PHARMACOKINETIC STUDY

6.1  Included as part of the Pre-Scale-Up  Activities,  KRYPTON shall at its own
     responsibility  and its own  cost,  perform  or have  performed  with a CRO
     selected by KRYPTON, a pre- pivotal  pharmacokinetic study pursuant to this
     Article  6.  (hereinafter  referred  to  as  "Pre-  Pivotal  Study").  Such
     Pre-Pivotal  Study shall  consist of *, to select the best of the Prototype
     Formulations  for each dose strength to be used in the further  development
     under this Agreement.

6.2  The  Pre-Pivotal  Study shall be performed in the United States of America.
     KRYPTON  shall  consult,  review and mutually  agree with GENTA JAGO on the
     design and final  protocol of such  Pre-Pivotal  Study prior to  initiating
     work with the selected CRO.

6.3  KRYPTON shall reimburse to GENTA JAGO the * incurred by GENTA JAGO to cover
     its workload for preparation and consulting of such Pre-Pivotal Study. Such
     development  costs shall be paid by KRYPTON * upon receipt by KRYPTON of an
     invoice from GENTA JAGO or Jago Pharma AG.

6.4  KRYPTON shall provide GENTA JAGO with a copy of the report  detailling  the
     results of the Pre-Pivotal Study within ten (10) days of its completion for
     GENTA  JAGO's file.  GENTA JAGO shall have no  liability or  responsibility
     whatsoever  with  resupect to such  Pre-Pivotal  Study,  including  without
     limitation,  the  performance  or conduct of such Pre- Pivotal Study or the
     availability or quality of the results and data from such Pre-Pivotal Study
     to be carried out by KRYPTON and the CRO.

6.5  Upon completion of the Pre-Pivotal Study and availability of the results of
     such Pre- Pivotal Study,  the Parties shall consult with each other on such
     results and mutually agree


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*    Confidential treatment requested. The redacted material has been separately
     filed with the Commission.


                                       -9-


<PAGE>

     in writing  upon the  Prototype  Formulation  to be  selected  for  further
     development  under this  Agreement.  In the event  that the  results of the
     Pre-Pivotal Study are  unsatisfactory in that it is not fully  demonstrated
     to the good faith mutual  satisfaction  of the Parties that at least one of
     the Prototype Formulations meet the respective Specifications,  KRYPTON may
     elect to abandon the development  program and terminate this Agreement with
     respect to such  Prototype  Formulation  by giving  written  notice to that
     effect to GENTA JAGO.


                                    ARTICLE 7
                               FURTHER ACTIVITIES

7.1  Technology Transfer

     Upon  mutual  agreement  of  the  Prototype  Formulation  to  be  used  for
     development  as  referred  to in  Section  6.5  above,  GENTA JAGO shall be
     responsible  for and initiate the  technology  transfer to, and perform the
     scale-up at, the manufacturing site mutually established and agreed upon by
     the  Parties.  GENTA JAGO  agrees  that such  technology  transfer,  and in
     particular  the aspects of scale-up  and  validation  of the  manufacturing
     process  shall be  carried  out by GENTA  JAGO on such  equipment  as shall
     eventually  be used by KRYPTON or a third  party to  manufacture  the Final
     Product. Upon completion of such scale-up,  GENTA JAGO shall notify KRYPTON
     thereof in writing.

7.2  Production of Industrial Scale Batches

     Upon receipt by KRYPTON of GENTA JAGO's  notice  referred to in Section 7.1
     above,  the Parties shall  initiate the  production of three (3) industrial
     scale  batches  (hereinafter  "Bio-Batches")  on such  equipment  as  shall
     eventually be used KRYPTON or a third party to commercially manufacture the
     Final  Product,  based  on the  Prototype  Formulation  (the  size  of each
     Bio-Batch  to be not less than the greater of (i) 10% (ten  percent) of the
     anticipated  initial  commercial  batch  size,  or (ii)  100,000  tablets),
     according to Current Good Manufacturing  Practices,  such Bio-Batches to be
     subsequently  used for  stability  testing  and pivotal  clinical  studies;
     provided  however,  that GENTA JAGO shall have the ultimate  responsibility
     with respect of any and all technical aspects of such production of batches
     related  to  the  technology   transfer  and  the  implementation  of  such
     technology in the manufacturing site.

7.3  Funding of Further Activities

     (a)  Prior to the commencement of any activities under Sections 7.1 and 7.2
          above  GENTA  JAGO  shall  submit  to  KRYPTON  a * for  such  further
          activities which * shall be reasonably acceptable to KRYPTON.  KRYPTON
          shall refund  GENTA  JAGO's * reasonably  incurred by GENTA JAGO under
          Sections  7.1 and 7.2  above,  including  but not  limited  to  costs,
          expenses and fees paid to Jago Pharma and third party contractors,  by
          the  payment  of   non-refundable   development   fees.  Such  further
          development costs shall be refunded by KRYPTON *


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*    Confidential treatment requested. The redacted material has been separately
     filed with the Commission.


                                      -10-


<PAGE>

          upon  receipt by KRYPTON of an invoice  from GENTA JAGO or Jago Pharma
          AG.

     (b)  Furthermore,  KRYPTON shall be  responsible,  at its own cost, for the
          supply of all raw material  including,  but not limited to, the Active
          Ingredients  required or necessary for, and all  additional  costs and
          expenses  whatsoever  arising  out  of  or  in  connection  with,  the
          production of the  Bio-Batches  described in Section 7.2 above and all
          other  costs  associated  with  the  use  of  facilities,   technology
          transfer, equipment and analytical services.

7.4  Stability Testing

     (a)  KRYPTON shall be responsible  for and perform or have performed at its
          own cost, the stability  testing of the Final Product according to the
          then  current  requirements  of the FDA in bulk  packaging  and in the
          final  packaging  materials.  GENTA JAGO shall  have no  liability  or
          responsibility  whatsoever  with  respect to such  stability  testing,
          including  without  limitation,  the  performance  or  conduct of such
          stability  testing or the  availability  or quality of the results and
          data from such  stability  testing to be carried out or  requested  by
          KRYPTON.

     (b)  KRYPTON  shall  provide  to GENTA  JAGO  with a copy of all  stability
          testing  data  within  thirty (30) days after the  completion  of each
          stability  testing  period  (hereinafter  referred  to as  the  "Final
          Stability Testing Report") for GENTA JAGO's file.

     (c)  GENTA  JAGO  agrees to provide  additional  technical  assistance  and
          consultation  as may be reasonably  requested by KRYPTON in connection
          with the stability testing of the Final Product.  KRYPTON shall pay to
          GENTA JAGO for such services provided by GENTA JAGO's or Jago Pharma's
          personnel an amount of USD * or part thereof spent,  and  furthermore,
          KRYPTON shall  reimburse  GENTA JAGO for all reasonable and documented
          travel  related  expenses  of  GENTA  JAGO  personnel  who  travel  at
          KRYPTON's  request to  locations  remote from such  personnel's  usual
          working location.

7.5  Further Provisions

     In the event that KRYPTON and GENTA JAGO shall  reasonably deem the results
     or data from any of the  activities  to be  performed by either Party under
     this Article 7. with respect to any dose strength be unsatisfactory for any
     reason,  the Parties may mutually agree to abandon the development  program
     and terminate this Agreement with immediate effect.


                                    ARTICLE 8
                             PIVOTAL CLINICAL STUDY

8.1  Promptly upon completion of the further  activities  referred to in Article
     7.  above,  KRYPTON  shall,  at its own  responsibility  and its own  cost,
     sub-contract under


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*    Confidential treatment requested. The redacted material has been separately
     filed with the Commission.


                                      -11-


<PAGE>

     confidentiality  commitments  comparable to the provisions set forth herein
     between GENTA JAGO and KRYPTON to an external  qualified CRO of its choice,
     reasonably  acceptable  to GENTA  JAGO,  to perform  and manage a series of
     pivotal clinical studies  (hereinafter  "Clinical Studies") in man required
     and/or  necessary for any  subsequent  NDA or ANDA for the Final Product in
     accordance with the then current requirements of the FDA.

8.2  KRYPTON shall  consult,  review and agree with GENTA JAGO on the design and
     the final protocol of such Clinical  Studies prior to initiating  work with
     the selected subcontractor.

8.3  KRYPTON shall reimburse to GENTA JAGO * incurred by GENTA JAGO to cover its
     workload for  preparation  and  consulting of such Clinical  Studies.  Such
     development  costs shall be paid by KRYPTON * upon receipt by KRYPTON of an
     invoice from GENTA JAGO or Jago Pharma AG.

8.4  KRYPTON shall  provide  GENTA JAGO with a copy of the report  detailing the
     results of the Clinical  Studies within ten (10) days of its completion for
     GENTA JAGO's file.

8.5  GENTA  JAGO shall  have no  liability  or  responsibility  whatsoever  with
     respect  to  such  Clinical  Studies,  including  without  limitation,  the
     performance  or conduct of such  Clinical  Studies or the  availability  or
     quality of the  results and data from such  Clinical  Studies to be carried
     out or requested by KRYPTON.

8.6  In  the  event  that  the  results  of the  Pivotal  Clinical  Studies  are
     unsatisfactory  in that it is not  fully  demonstrated  to the  good  faith
     mutual   satisfaction   of  KRYPTON  and  GENTA  JAGO  that  the  Prototype
     Formulation reasonably meets the respective Specifications, the Parties may
     mutually  agree to abandon  the  development  program  and  terminate  this
     Agreement with respect to such dose strength.


                                    ARTICLE 9
                     THE REGULATORY (NDA OR ANDA) SUBMISSION

9.1  Upon completion of the Clinical Studies,  KRYPTON may, at its option, elect
     to prepare and submit to the FDA an NDA or ANDA. KRYPTON shall notify GENTA
     JAGO of its  election to exercise or not to exercise  this option by giving
     written  notice  thereof to GENTA JAGO  within  thirty  (30) days as of the
     availability of the results of the Clinical Studies.


9.2  In the event that KRYPTON elects  pursuant to Section 9.1 above to make NDA
     or ANDA  submission(s) to any Regulatory  Authority with respect to a Final
     Product,  KRYPTON  shall have sole  liability  and  responsibility  for the
     prosecution,  conduct  and  results  of such NDA or ANDA and shall bear all
     costs in connection  therewith.  KRYPTON, at KRYPTON's option, may elect by
     written notice to GENTA JAGO prior to


- - - ------------------
*    Confidential treatment requested. The redacted material has been separately
     filed with the Commission.


                                      -12-


<PAGE>

     commencement of the technology transfer referred to in Section 7.1 above to
     have the NDA or ANDA  dossier  prepared on its behalf by a qualified  third
     party acceptable to GENTA JAGO. KRYPTON shall be liable and responsible for
     any and all costs associated with such sub-contracting.

9.3  KRYPTON or its chosen  sub-contractor  shall  consult with GENTA JAGO,  and
     GENTA  JAGO  agrees  to  provide   additional   technical   assistance  and
     consultation  as may be  reasonably  requested  by  KRYPTON  or the  chosen
     sub-contractor,  in connection  with the preparation and prosecution of any
     NDA or ANDA or with the  preparation  of the dossier to be submitted to the
     FDA.  KRYPTON  shall pay to GENTA JAGO for such  services and  consultation
     provided by GENTA  JAGO's  personnel an amount of USD * or any part thereof
     spent.  Furthermore,  KRYPTON shall reimburse GENTA JAGO for reasonable and
     documented  travel-related  expenses of GENTA JAGO  personnel who travel at
     KRYPTON's  request  to the  elected  manufacturing  facility(ies)  or other
     locations remote from such personnel's usual working location.


                                   ARTICLE 10
                         PROPRIETARY RIGHTS AND PATENTS

10.1 Patents and Proprietary Rights of GENTA JAGO

     (a)  The Licensor and GENTA JAGO,  respectively,  shall retain title to and
          ownership of Patents, Know-How and GEOMATRIX(R) Technology licensed to
          GENTA JAGO,  including,  but not limited to, any and all  developments
          and  inventions   relating  to  Patents,   Know-How  and  GEOMATRIX(R)
          Technology (hereinafter collectively referred to as "GENTA JAGO IPR").

     (b)  KRYPTON  shall not,  directly  or  indirectly  through  its  officers,
          directors,   employees,  agents,  customers  or  other  controlled  or
          associated third parties, acquire any proprietary interest in or other
          right to GENTA JAGO IPR, other than provided in this Agreement.

     (c)  GENTA JAGO shall use all commercially  reasonable  efforts, at its own
          cost,  to cause the  Licensor to prepare,  prosecute  and maintain all
          patent applications and patents  constituting  Patents, and shall keep
          KRYPTON  fully and promptly  informed on any  developments  or changes
          relating thereto. If the Licensor decides not to further prosecute any
          patent  application  constituting  Patents,  GENTA JAGO shall promptly
          inform  KRYPTON of such  decision in writing,  and the Parties  shall,
          upon KRYPTON's  reasonable written request,  meet with the Licensor to
          discuss any  reasonable  appropriate  action.  During the term of this
          Agreement,  GENTA JAGO shall,  at its sole cost, use all  commercially
          reasonable  efforts to cause the Licensor to take all steps  necessary
          to  maintain  Patents  to the extent  GENTA  JAGO  deems  commercially
          reasonable.  If the  Licensor  decides  not  to  maintain  any  patent
          constituting Patents, GENTA JAGO shall promptly inform KRYPTON of such
          decision in writing,  and the Parties shall, upon KRYPTON's reasonable
          written


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*    Confidential treatment requested. The redacted material has been separately
     filed with the Commission.


                                      -13-


<PAGE>

          request, meet with the Licensor to discuss any reasonable  appropriate
          action.  Notwithstanding the foregoing,  KRYPTON acknowledges to GENTA
          JAGO that Licensor has the final authority regarding such preparation,
          prosecution and maintenance of all patent applications and patents.

10.2 Patents and Proprietary Rights for Final Products

     (a)  KRYPTON  shall  retain  title to and  ownership  of all  developments,
          whether  patentable or not,  relating  specifically and exclusively to
          the Final  Products,  provided  that such  developments  are  entirely
          independent  of any and all GENTA JAGO IPR  (hereinafter  collectively
          referred to "Final Product IPR").

     (b)  KRYPTON shall be responsible  for and shall control,  at its own cost,
          the preparation,  prosecution and maintenance of all Final Product IPR
          and  shall  keep  GENTA  JAGO  fully  and  promptly  informed  on  any
          developments  or  changes  relating  thereto.  During the term of this
          Agreement,  KRYPTON shall,  at its sole cost, take all steps necessary
          to  prosecute  and/or  maintain  all Final  Product  IPR to the extent
          KRYPTON  deems  commercially  reasonable.  If KRYPTON  intends  not to
          further  prosecute  and/or  maintain  any of the  Final  Product  IPR,
          KRYPTON shall promptly inform GENTA JAGO of such intention in writing,
          and  GENTA  JAGO  shall  have  the  right  and  option,  but  not  the
          obligation,  to have  transferred to it sole title to and ownership in
          such Final Product IPR free of any charge by giving respective written
          notice  thereof to KRYPTON  within thirty (30) days after GENTA JAGO's
          receipt of KRYPTON's notice referred to above.

     (c)  In the  event  GENTA  JAGO has and  exercises  its  right  and  option
          referred to Section 10.2 (b) above to have  transferred to it any such
          Final Product IPR, KRYPTON shall promptly  undertake any and all steps
          required  and/or  necessary to transfer title to and ownership of such
          Final  Product  IPR to  GENTA  JAGO.  In the  event  that  GENTA  JAGO
          exercises its option to have  transferred  such Final Product IPR from
          KRYPTON to GENTA JAGO,  GENTA JAGO shall  maintain  such Final Product
          IPR during the term of this  Agreement  to the extent GENTA JAGO deems
          commercially  reasonable and shall bear all cost associated  therewith
          incurred  after the date of GENTA JAGO's notice to KRYPTON  exercising
          its option  referred to in Section 10.2 (b) above.  In such case,  the
          Parties shall  negotiate in good faith the terms and condition,  under
          which  such  Final  Product  IPR  transferred  to GENTA  JAGO shall be
          included in the License pursuant to Article 11. below.

10.3 Notification of Infringement

     (a)  If KRYPTON  becomes  aware of (i) any  product or activity of any kind
          that  involves or may involve an  infringement  or  violation of GENTA
          JAGO IPR or Final Product IPR or (ii) any third-party action, claim or
          dispute  (including,  but not  limited  to,  actions  for  declaratory
          judgment  alleging the invalidity or  non-infringement)  based upon or
          arising out of GENTA JAGO IPR or Final Product IPR, then KRYPTON shall
          promptly  notify  GENTA  JAGO in  writing  of any  such  infringement,
          violation,


                                      -14-


<PAGE>


          action, claim or dispute.

     (b)  If GENTA JAGO becomes aware of (i) any product or activity of any kind
          that  involves or may involve an  infringement  or  violation of GENTA
          JAGO IPR with  respect to Final  Products or of Final  Product IPR; or
          (ii) any  third-party  action,  claim or dispute  (including,  but not
          limited to, actions for declaratory  judgment  alleging the invalidity
          or non-infringement)  based upon or arising out of GENTA JAGO IPR with
          respect to Final  Products or of Final  Product  IPR,  then GENTA JAGO
          shall  promptly  notify  KRYPTON in writing of any such  infringement,
          violation, action, claim or dispute.

10.4 Enforcement of GENTA JAGO IPR

     (a)  GENTA JAGO,  at its sole  expense,  shall have the right,  but not the
          obligation,  (i) to  determine  the  appropriate  course  of action to
          enforce, or otherwise abate the infringement of, or defend third-party
          actions  regarding,  GENTA JAGO IPR,  (ii) to take,  or  refrain  from
          taking,  appropriate action to enforce,  or defend third-party actions
          regarding,  GENTA JAGO IPR,  (iii) to control any  litigation or other
          enforcement  action  regarding GENTA JAGO IPR, and (iv) to enter into,
          or permit,  the settlement of any such litigation or other enforcement
          action  regarding  GENTA  JAGO IPR.  GENTA  JAGO  shall  keep  KRYPTON
          informed on a regular basis on its taking or  refraining  from taking,
          and the  development  of,  any of the  foregoing  actions,  and  shall
          consider, in good faith, the interests of KRYPTON under this Agreement
          when taking any of the foregoing actions,  to the extent that any such
          action  or such  infringement  may  have an  adverse  effect  on Final
          Product.  KRYPTON shall,  at its own cost,  fully cooperate with GENTA
          JAGO in the  planing  and  execution  of any suit or other  action  to
          enforce,  or defend third-party actions regar- ding, GENTA JAGO IPR as
          reasonably required or requested by GENTA JAGO.

     (b)  If GENTA JAGO does not within  one-hundred-twenty  (120) days,  or any
          shorter delay imposed by any  applicable law or regulation or court or
          authority   having   jurisdiction,   after  receiving  notice  of  any
          infringement or violation of GENTA JAGO IPR which may adversely affect
          Final Products,  or of any third-party action,  claim or dispute based
          upon or arising out of GENTA JAGO IPR which may adversely affect Final
          Products,  commence or take an action to enforce,  or otherwise  abate
          such infringement, or defend against such third-party action, then the
          Parties  shall,  upon  KRYPTON's  written  request,  promptly  meet to
          discuss  any  reasonable   appropriate  action  with  regard  to  such
          enforcement  of GENTA  JAGO  IPR  which  may  adversely  affect  Final
          Products,  provided  however,  that KRYPTON is aware and  acknowledges
          that in such case the Licensor  will have the right to enforce any and
          all GENTA JAGO IPR pursuant to the License Agreements.

     (c)  Subject  to the right of the  Licensor  to  control  any suit or other
          action  with  regard to GENTA JAGO IPR as  outlined  in the  preceding
          section,  KRYPTON,  upon its written  request and at its sole expense,
          shall be made an additional,  but not  controlling  party, in any such
          suit or  other  action  where  necessary  to  obtain  complete  relief
          regarding


                                      -15-


<PAGE>

          the subject infringement or violation.

10.5 Enforcement of Final Product IPR

     (a)  KRYPTON,  at its  sole  expense,  shall  have the  right,  but not the
          obligation,  (i) to  determine  the  appropriate  course  of action to
          enforce, or otherwise abate the infringement of, or defend third-party
          actions  regarding,  Final  Product IPR, (ii) to take, or refrain from
          taking,  appropriate action to enforce,  or defend third-party actions
          regarding, Final Product IPR, (iii) to control any litigation or other
          enforcement  action  regarding  Final  Product  IPR, and (iv) to enter
          into,  or  permit,  the  settlement  of any such  litigation  or other
          enforcement  action  regarding  Final  Product  IPR.   Notwithstanding
          anything contained in the preceding sentence, KRYPTON shall not settle
          any suit or action or otherwise consent to an adverse judgment in such
          suit or action without the prior written consent of GENTA JAGO,  which
          consent shall not be withheld  unreasonably.  KRYPTON shall keep GENTA
          JAGO  informed  on a regular  basis on its taking or  refraining  from
          taking,  and the  development  of, any of the foregoing  actions,  and
          shall consider,  in good faith, the interests of GENTA JAGO under this
          Agreement  and in GENTA JAGO IPR,  when  taking  any of the  foregoing
          actions.

     (b)  If KRYPTON does not, within  one-hundred-and-twenty (120) days, or any
          shorter delay imposed by any  applicable law or regulation or court or
          authority   having   jurisdiction,   after  receiving  notice  of  any
          infringement  or violation of Final Product IPR, or of any third-party
          action,  claim or dispute  based upon or arising out of Final  Product
          IPR,  commence or take an action to enforce,  or otherwise  abate such
          infringement,  or defend against such third-party  action,  then GENTA
          JAGO  shall  have  the  right,  but not the  obligation,  at its  sole
          expense,  to take and control such action as it deems  appropriate  to
          enforce,  or  abate  the  infringement  of,  or  defend  against  such
          third-party action, regarding Final Product IPR. GENTA JAGO shall keep
          KRYPTON  informed on a regular  basis of any such action and consider,
          in good faith,  the  interests of KRYPTON  under this  Agreement  when
          taking any of the foregoing actions. KRYPTON, upon its written request
          and at its  sole  expense,  shall  be  made  an  additional,  but  not
          controlling  party,  in any such suit or other  action  controlled  by
          GENTA JAGO where  necessary to obtain  complete  relief  regarding the
          subject infringement or violation.


10.6 Application of Monies Recovered

     Subject  always to the right of the  Licensor  to control any suit or other
     action with regard to GENTA JAGO IPR as outlined in Section 10.4(c) and any
     right to receive any monies  recovered  therefrom  as  provided  for in the
     License  Agreements,  all  monies  recovered  upon the  final  judgment  or
     settlement  of any suit or other  action under this  Sections  10.4 or 10.5
     shall be applied as follows:

     (i)  to cover any and all costs and expenses  (including  attorney's  fees)
          incurred by the


                                      -16-


<PAGE>

          Party controlling such suit or other action;

     (ii) to cover any and all costs and expenses  (including  attorney's  fees)
          reasonably,  or upon request of the controlling Party, incurred by the
          other Party in connection with such suit or other action, if any;

    (iii) the  remainder,  if any,  to the  Party  controlling  any such suit or
          other action.


                                   ARTICLE 11
                              SUB-LICENSE AGREEMENT

11.1 GENTA JAGO hereby grants to KRYPTON the exclusive and sublicenseable  right
     and  sub-license  (hereinafter  referred  to  as  the  "License")  to  use,
     manufacture,  have manufactured,  sell and market the Final Products in the
     Territory  and to use the  Patents,  GEOMATRIX(R)  Technology  and Know How
     exclusively  for  that  purpose  subject  to the  payment  of the * and the
     Royalties pursuant to Articles 13. and 14. below.

11.2 The rights of KRYPTON to grant any sub-license in any part of the Territory
     shall be subject to the  requirement  that KRYPTON shall obtain the written
     approval of GENTA JAGO prior to executing any such  sub-license  agreement,
     which approval shall not unreasonably be withheld,  provided however,  that
     no such approval by GENTA JAGO shall be required for any  sub-license to an
     Affiliate of KRYPTON .

11.3 In any event KRYPTON shall be responsible  for any and all acts,  deeds and
     undertakings of its permitted sub-licensee(s) and KRYPTON and its permitted
     sub-licensee(s)  shall  continue  to be bound by all terms  and  provisions
     under this Agreement throughout its term. In case that KRYPTON sub-licenses
     rights  and/or the License to any  sub-licensee(s)  approved by GENTA JAGO,
     such  sub-licensee(s)  shall  agree in writing to any and all of  KRYPTON's
     obligations  and  undertakings  under  this  Agreement,  including  but not
     limited  to  its   confidentiality   obligations  set  forth   hereinafter.
     Furthermore,  KRYPTON  undertakes that any and all  sub-license  agreements
     shall  provide  for  inspection  and  audit  provisions  identical  to  the
     provisions  set forth  below in order to enable  GENTA JAGO to control  and
     audit and  receive any and all fees and  Royalties  due as provided in this
     Agreement.  KRYPTON  shall  provide  GENTA JAGO  promptly  with  reasonable
     appropriate information on its sub-licensee(s) and copies of all agreements
     with such sub-licensee(s) (with only the commercial terms may be redacted).


                                   ARTICLE 12
                       MANUFACTURING AND PRODUCT LIABILITY

12.1 In the event that KRYPTON, subject to Section 5.5 above, elects GENTA JAGO,
     and  GENTA  JAGO  expressly  agrees  to  such  manufacture,  or  any of its
     Affiliates  shall  manufacture  Final  Products,  then the Parties agree to
     enter into good faith  negotiations on and to use  commercially  reasonable
     efforts to execute in due time a respective


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*    Confidential treatment requested. The redacted material has been separately
     filed with the Commission.


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<PAGE>

     Manufacturing  and Supply  Agreement,  according to which GENTA JAGO or its
     Affiliates  shall  undertake to  manufacture  and supply Final  Products in
     sufficient quantities to meet KRYPTON's  requirements,  at a sale price for
     such Final Products  manufactured  equal to GENTA JAGO's * In the event and
     for such period of time, that GENTA JAGO or its Affiliate  manufactures and
     supplies Final Product under such  Manufacturing and Supply Agreement,  the
     Royalty Rate referred to in Section 14.1 below shall be *

12.2 In the event that  KRYPTON or any of its  Affiliates  or any third party is
     elected  pursuant to Section 5.5 above to manufacture  Final Product,  then
     KRYPTON  undertakes and agrees that at all times the  Specifications and to
     any and all laws, rules and regulations  imposed by any competent authority
     on the  manufacturing,  marketing,  distribution and sale of Final Products
     are strictly adhered to by the  manufacturer,  and KRYPTON shall during the
     entire term of this  Agreement be solely and fully  liable and  responsible
     for  the  compliance  with  all  such  laws,  rules  and  regulations  when
     manufacturing,  having  manufactured,  marketing,  distributing and selling
     Final Products itself and/or through Affiliates or sub- licensee(s).

12.3 KRYPTON shall indemnify, defend and hold GENTA JAGO, its Affiliates and the
     Licensor harmless from and against any losses, claims,  liabilities,  costs
     and expenses  (including  reasonable  attorney's  fees) that may be imposed
     upon or  asserted  against  GENTA  JAGO  and/or its  Affiliates  and/or the
     Licensor as a result of the marketing,  distributing,  manufacture,  use or
     sale of Final Products by or on behalf of KRYPTON,  its Affiliates,  agents
     or  sub-licensee(s),  except  for  those  claims,  liabilities,  costs  and
     expenses  arising from gross  negligence or  intentional  misconduct on the
     part of GENTA JAGO, its Affiliates or the Licensor.


                                   ARTICLE 13
                       * PAYMENTS AND OTHER CONSIDERATION

13.1 As consideration for GENTA JAGO granting the option  hereinbefore set forth
     KRYPTON  undertakes  to pay to GENTA JAGO an *, payable  upon  execution of
     this Agreement.


13.2 Provided  that KRYPTON  shall  exercise the option  granted  hereunder,  as
     consideration  for the License  granted by GENTA JAGO to KRYPTON under this
     Agreement and in consideration of certain major  development steps achieved
     hereunder, KRYPTON undertakes to pay to GENTA JAGO a *

13.3 The * shall be payable *:

     (a)  * KRYPTON's receipt of


- - - ------------------
*    Confidential treatment requested. The redacted material has been separately
     filed with the Commission.


                                      -18-


<PAGE>

          GENTA JAGO's notice referred to in Section 7.1 above; and

     (b)  *; and

     (c)  * for the Final Product; and

     (d)  * for Final Product.

13.4 The Parties agree that * as set forth in Section 14.4 below.

13.5 Unless otherwise agreed by the Parties in writing,  all payments under this
     Article  13.  shall be made in United  States  Dollars and to such place or
     account as GENTA JAGO reasonably requests from time to time in writing.


                                   ARTICLE 14
                                    ROYALTIES

14.1 During a period  commencing upon the first commercial sale of Final Product
     in each  country of the  Territory  and ending  upon the earlier of (i) the
     fifteenth (15th)  anniversary of the first commercial sale of Final Product
     in such country of the  Territory,  and (ii) the  expiration of the last of
     the  Patents  covering  Final  Product  in such  country  of the  Territory
     (hereinafter   referred   to  as   the"Royalty   Term"),   and  in  further
     consideration  of the  License  granted to KRYPTON by GENTA  JAGO,  KRYPTON
     shall pay to GENTA JAGO a royalty (hereinafter referred to as the"Royalty")
     of an amount equal to * of the Final Products in the Territory.

14.2 Royalties  shall be payable on a quarterly  basis.  KRYPTON  shall remit to
     GENTA JAGO within six (6) weeks after the end of each calendar  quarter the
     amount of Royalty due with respect to Net Sales  achieved in the  preceding
     quarter,  beginning with the calendar quarter in which the first commercial
     sale of the Final Product is made in any country of the Territory.  KRYPTON
     shall  deliver  to GENTA  JAGO,  along  with  such  remittance  of  Royalty
     payments,   *  of  the   Final   Product   on  a   country-by-country   and
     product-by-product basis to which the Royalty payment relates.

14.3 All Royalty Reports shall be prepared in accordance with generally accepted
     accounting principles consistently applied from applicable period to period
     and shall be certified by an officer of KRYPTON as being so prepared, true,
     accurate and correct.

14.4 In recognition of the * payable by KRYPTON to GENTA JAGO prior to the


- - - ------------------
*    Confidential treatment requested. The redacted material has been separately
     filed with the Commission.


                                      -19-


<PAGE>

     commercial sale of the Final Products,  the amount of Royalty  payments due
     to GENTA  JAGO under  Article  14.2  above  with  respect to each  calendar
     quarter shall be * until such time as the aggregate amount of all *

14.5 Unless  otherwise  agreed by the Parties in writing,  payments of Royalties
     shall be made in United  States  Dollars  and to such  place or  account as
     GENTA  JAGO  reasonably  requests  from  time  to  time  in  writing.   Any
     conversions  into  United  States  Dollars  from the  currency in which the
     corresponding  Net Sales for such Royalties were made, are to be calculated
     as using the average  closing  buying rate for such currency  quoted in the
     continental  terms method of quoting exchange rates (local currency per USD
     1)  published  in the Wall Street  Journal on the last  business day of the
     applicable reporting period covered by such Royalty Report.


                                   ARTICLE 15
                              INSPECTION AND AUDIT

15.1 During the term of this Agreement and during a period of twelve (12) months
     after its  expiration  or  termination  for any  reason,  upon the  written
     request of GENTA JAGO and not more than once each  calendar  year,  KRYPTON
     shall permit an independent  certified public accountant of internationally
     recognized  standing  selected by GENTA JAGO, at GENTA JAGO's  expense,  to
     have access during regular business hours to such of the records of KRYPTON
     and its Affiliates as may be reasonably necessary to verify the accuracy of
     the  Royalty  Reports  for any year  ending not more than  thirty-six  (36)
     months  prior  to the  date of such  request.  The  accounting  firm  shall
     disclose  to GENTA JAGO only  whether  the  Royalty  Reports and records of
     KRYPTON and its  Affiliates  and the amount of Royalties  actually paid are
     correct or not and the specific details  concerning any  discrepancies;  no
     other information shall be shared. The Parties agree to accept such written
     audit report as final and binding upon them.

15.2 If such  independent  accounting  firm correctly  concludes that additional
     Royalties were owed during any such period audited,  KRYPTON shall pay such
     additional  Royalties  within ten (10) days of the date GENTA JAGO delivers
     to KRYPTON such  accounting  firm's written report so concluding.  The fees
     and  expenses  charged by such  accounting  firm with respect to such audit
     shall be paid by GENTA JAGO;  provided however, if any such audit correctly
     discloses that Royalties payable by KRYPTON for the audited period are more
     *, then KRYPTON shall pay all reasonable fees and expenses  charged by such
     accounting firm with respect to such audit.

15.3 GENTA JAGO shall treat all  financial  information  subject to review under
     this  Article  15.  as  confidential  and  subject  to the  confidentiality
     obligations in Article 16. below.


- - - ------------------
*    Confidential treatment requested. The redacted material has been separately
     filed with the Commission.


                                      -20-


<PAGE>

                                   ARTICLE 16
                                 CONFIDENTIALITY

16.1 Confidential Information

     KRYPTON shall maintain in confidence all Know-How and other  information of
     GENTA JAGO (including  samples)  disclosed by GENTA JAGO and identified as,
     or acknowledged to be, confidential (the "Confidential  Information"),  and
     shall not use,  disclose or grant the use of the  Confidential  Information
     except  on a  need-to-know  basis to its  directors,  officers,  employees,
     agents, consultants, clinical investigators or other permitted contractors,
     to the extent such  disclosure is reasonably  necessary in connection  with
     KRYPTON's  activities  as expressly  authorized by this  Agreement.  To the
     extent  that  disclosure  is  authorized  by  this   Agreement,   prior  to
     disclosure,  KRYPTON  hereto shall obtain  agreement in writing of any such
     person  to  hold  in  confidence  and  not  make  use of  the  Confidential
     Information for any purpose other than those  authorized by this Agreement.
     KRYPTON  shall  notify  GENTA  JAGO  promptly  upon  the  discovery  of the
     unauthorized use or disclosure of the Confidential Information.

16.2 Permitted Disclosures

     The obligations of  confidentiality  and non-use  contained in Section 16.1
     above  shall not apply to the extent  that (a)  KRYPTON  (i) is required to
     disclose  information by law,  regulation or order of a governmental agency
     or a court of  competent  jurisdiction,  or (ii) is  required  to  disclose
     information to any governmental  agency for purposes of obtaining  approval
     to test or market Final Products,  provided in each case that KRYPTON shall
     give GENTA JAGO written notice thereof and sufficient opportunity to object
     to any  disclosure or to request  confidential  treatment  thereof,  or (b)
     KRYPTON  can  demonstrate  that (i) the  disclosed  information  was public
     knowledge at the time of such disclosure to it, or thereafter became public
     knowledge,  other than as a result of actions of  KRYPTON,  its  directors,
     officers and employees in violation hereof; (ii) the disclosed  information
     was rightfully  known by KRYPTON (as shown by its written records) prior to
     the date of disclosure to it by GENTA JAGO  hereunder;  (iii) the disclosed
     information was disclosed to KRYPTON on an unrestricted basis from a source
     unrelated  to any  party  to  this  Agreement  and  not  under  a  duty  of
     confidentiality  to  GENTA  JAGO or the  Licensor;  or (iv)  the  disclosed
     information  was  independently  developed  by KRYPTON  without  the use of
     Confidential Information disclosed by GENTA JAGO.

16.3 Terms of this Agreement

     Except as  otherwise  provided in Section 16.2 above,  neither  Party shall
     disclose  any terms or  conditions  of this  Agreement  to any third  party
     (other than the Licensor) without the prior consent of the other Party. The
     Parties further agree that no public  announcements or press releases shall
     be made prior to the exercise of the option granted hereinbefore.

16.4 Term of Confidentiality


                                      -21-


<PAGE>

     The  confidentiality  obligations  under this Article 16 shall be effective
     during the term of this  Agreement and for a period of ten (10) years after
     the expiration or earlier termination hereof.

16.5 Injunctive Remedies

     GENTA JAGO shall be  entitled to  injunctive  remedies  and relief  against
     KRYPTON and any third  parties for any breach or  threatened  breach of the
     confidentiality obligations under this Article 16.

16.6 Damages

     In the  event of a breach  of the  confidentiality  provisions  under  this
     Article 16 by KRYPTON or its  directors,  officers,  employees or any other
     person who were given access to the  Confidential  Information  by KRYPTON,
     GENTA JAGO shall be  entitled  to receive  from  KRYPTON any and all actual
     costs and damages caused by such breach.


                                   ARTICLE 17
                              TERM AND TERMINATION

17.1 Term and Expiration

     (a)  This   Agreement   shall   expire   on   a   country-by-country    and
          product-by-product basis upon the expiration of the Royalty Term.

     (b)  Upon the expiration of this Agreement in each country of the Territory
          pursuant to Section 17.1 (a) above and payment of all fees,  including
          but not  limited to the *, and all  Royalties  and other  payments  by
          KRYPTON  due GENTA JAGO under this  Agreement,  the  License  shall be
          deemed to be a perpetual,  fully paid-up and royalty-free  license for
          such Final Product and each such country of the Territory.


17.2 Termination Prior to Registration

     During the development, test, study and registration phases as specified in
     Articles 3. through 8. above, and until the first  successful  registration
     approval of any Final Product by any Regulatory  Authority,  this Agreement
     may be  terminated  by  KRYPTON  for  any  reason  and  without  cause,  in
     accordance with the provisions set forth in Sections 3.6, 4.6, 6.5, 7.5 and
     8.6 above.

17.3 Termination for Cause

     During the entire term of this  Agreement  either Party may terminate  this
     Agreement by giving to the other Party  written  notice to that effect,  if
     any of the following events occur:


- - - ------------------
*    Confidential treatment requested. The redacted material has been separately
     filed with the Commission.


                                      -22-


<PAGE>

     (a)  the other  Party is in  default  or in  breach of a term or  provision
          hereof and such default or breach continues and is not remedied within
          thirty (30) days upon the other Party's written request to remedy such
          default or breach; or

     (b)  the other  Party shall  commit a breach of any of the  confidentiality
          provisions of Article 16. above; or

     (c)  the other Party goes into liquidation, voluntarily or otherwise, other
          than for the sole purpose of  reorganization,  or goes into bankruptcy
          or makes an assignment  for the benefit of creditors,  or in the event
          of a receiver being  appointed of the other Party's  property or parts
          thereof.

17.4 Effect of Termination

     (a)  If KRYPTON  elects to so terminate  the  Agreement  under Section 17.2
          above prior to filing of the ANDA in the United States, then: (i) such
          termination shall be without penalty or liability to KRYPTON; (ii) all
          rights and licenses  granted by GENTA JAGO  hereunder  shall revert to
          GENTA JAGO with  respect to such  country(ies)  so  terminated,  (iii)
          KRYPTON be relieved of any payments  that are scheduled or may be made
          in the future under this Agreement, (iv) KRYPTON shall return to GENTA
          JAGO all materials, documentation,  information, data and other things
          furnished by GENTA JAGO in connection with this  Agreement,  including
          without limitation any and all Confidential Information, together with
          all copies thereof in KRYPTON's  possession or under its control,  (v)
          all Registrations  pertaining to the marketing of the Product shall be
          transferred  to  and  be  owned  by  GENTA  JAGO  as to  the  affected
          country(ies)  and the data  generated  under this  Agreement  shall be
          provided  to and  thereafter  may be  freely  used  by  GENTA  JAGO to
          develop,  manufacture and market the Product;  and (vi) GENTA JAGO and
          its Affiliates shall thereafter be entitled to exercise such rights as
          they may have under their own license  agreements to make,  have made,
          use or sell the  Product in the  country(ies)  so  terminated  without
          compensation  or obligation to KRYPTON;  provided,  that the foregoing
          rights  under  (iv) and (vi)  shall  not  create or imply any right or
          license under any patent rights, copyright rights, trademarks or trade
          names,  know-how,  or  other  intellectual  property  rights  owned or
          controlled by KRYPTON or its Affiliates.

     If KRYPTON elects to so terminate  this Agreement  subsequent to the filing
     of the ANDA in the  United  States,  then:  (i) such  termination  shall be
     without  penalty or  liability  to  KRYPTON;  (ii) all rights and  licenses
     granted by GENTA JAGO hereunder  shall revert to GENTA JAGO with respect to
     such  country(ies)  so  terminated;  (iii) KRYPTON shall be relieved of any
     payments  that  are  scheduled  or may be made  in the  future  under  this
     Agreement,   (iv)  KRYPTON  shall  return  to  GENTA  JAGO  all  materials,
     documentation,  information,  data and other things furnished by GENTA JAGO
     in connection with this Agreement, including without limitation any and all
     Confidential  Information,  together  with all copies  thereof in KRYPTON's
     possession or under its control,  (v) GENTA JAGO and its  Affiliates  shall
     thereafter be entitled to make,  have made,  use or sell the Product in the
     country(ies)  so terminated  (and,  provided,  that the foregoing shall not
     create or


                                      -23-


<PAGE>

     imply any right or  license  under any  patent  rights,  copyright  rights,
     trademarks or trade names,  know-how, or other intellectual property rights
     owned or controlled by KRYPTON or its Affiliates);  (vi) all  Registrations
     pertaining  to the Product  shall be  transferred  to and be owned by GENTA
     JAGO as to the affected country(ies) and the data generated hereunder shall
     be provided to and  thereafter may be freely used by GENTA JAGO to develop,
     manufacture  and  market  the  Product;  and (vii)  GENTA JAGO shall pay to
     KRYPTON  the same  royalty,  which  shall be paid in the  same  manner  and
     subject to the same terms and conditions as would otherwise have applied to
     KRYPTON,  as KRYPTON would  otherwise  have paid (absent such  termination)
     hereunder  to GENTA  JAGO on Net Sales (or on the Gross  Margin of such Net
     Sales, as the case may be) of the Product in the country(ies) to which such
     termination  applies  (with  such  royalty to be paid by GENTA JAGO and its
     Affiliates  in each such country  until  expiration  of the Royalty Term in
     each such country),  until such time as the royalties paid to KRYPTON equal
     the  aggregate  amount that had been paid by KRYPTON to GENTA JAGO prior to
     such termination  under the Sections 3.5, 4.3, 5.2, 6.3,  7.3,8.3,  9.2 and
     13., at which time the royalty rate then prevailing on Net Sales (or on the
     Gross  Margin of such Net Sales,  as the case may be) in the United  States
     shall be reduced by two  percent (2 %) (but shall not be reduced  for sales
     outside the United States).

     (c)  Otherwise the termination of this Agreement shall be without prejudice
          to any rights and  obligations  of either Party  accrued  prior to the
          effective  date of  termination.  KRYPTON  shall  forthwith  make  all
          payments due and outstanding to GENTA JAGO at the date of termination.
          Except as explicitly  otherwise  stated in this Agreement,  GENTA JAGO
          shall not be obligated to refund upon termination of this Agreement to
          KRYPTON any  payments,  including  without  limitation  the *, made by
          KRYPTON  to GENTA  JAGO  prior  to such  termination  pursuant  to the
          provisions of this Agreement.



     (d)  The  termination of this  Agreement  pursuant to Section 17.3 above by
          either Party shall not limit remedies which may be otherwise available
          in law or equity to either Party.

17.5 Early Termination of the License Agreements

     (a)  In the event that the License  Agreements are terminated  prior to the
          expiration of the last to expire of the Patents licensed to GENTA JAGO
          in the Territory,  then the License granted hereunder to KRYPTON shall
          also terminate upon  KRYPTON's  receipt of the respective  termination
          notice  from the  Licensor.  KRYPTON  may give  written  notice to the
          Licensor of  KRYPTON's  desire to continue the License  granted  under
          this Agreement  within sixty (60) days as of KRYPTON's  receipt of the
          Licensor's notice referred to above.

     (b)  In the event that KRYPTON  timely  notifies the Licensor of its desire
          to continue the License  granted  under this  Agreement,  the Licensor
          shall have the right, at its sole


- - - ------------------
*    Confidential treatment requested. The redacted material has been separately
     filed with the Commission.


                                      -24-


<PAGE>

          discretion,  to elect to assume in writing within sixty (60) days upon
          the Licensor's receipt of KRYPTON's notice any and all rights of GENTA
          JAGO under this  Agreement  and to promptly cure all defaults of GENTA
          JAGO under this Agreement, if any.

     (c)  In the event that the Licensor does not timely gives notice to KRYPTON
          and cures all of GENTA JAGO's defaults  hereunder  pursuant to Section
          17.5(b) above,  then KRYPTON shall promptly  assume in writing any and
          all rights and obligations of GENTA JAGO under the License  Agreements
          with the Licensor,  but with regard to the rights  encompassed  by the
          License  granted  hereunder  only,  and promptly  cure all defaults of
          GENTA  JAGO under the  License  Agreements  with  regard to the rights
          encompassed by the License granted hereunder only, if any.

     (d)  Notwithstanding  anything  contained in this Section  17.5,  no action
          taken by the  Licensor  and/or  KRYPTON to continue or not to continue
          the  License  shall  relieve  GENTA  JAGO from any  liability  for any
          uncured defaults under this Agreement or the License  Agreements,  and
          such action by the Licensor and/or KRYPTON shall be without  prejudice
          to any other rights or remedies the Licensor  and/or  KRYPTON may have
          in law or equity.


                                   ARTICLE 18
                                   WARRANTIES

18.1 GENTA JAGO shall carry out and undertake the studies and tests specified in
     this  Agreement  in a careful  and  diligent  manner.  GENTA JAGO agrees to
     carefully   choose,   instruct  and  supervise  any  employees,   officers,
     Affiliates  or third  parties to be chosen by GENTA JAGO  pursuant  to this
     Agreement,  who are involved  with the tests and  studies.  Nothing in this
     Agreement shall be construed as a  representation  made, or warranty given,
     by GENTA  JAGO that any  development  performed  by or for GENTA JAGO under
     this Agreement will be successful in whole or in part, or that any product,
     including Final Product, which may be developed,  will be successful in the
     commercial marketplace.  Furthermore, GENTA JAGO makes no representation or
     warranty, express or implied, with respect to GEOMATRIX(R)Technology and/or
     Know-How,  including  without  limitation,  any  warranty of  completeness,
     accuracy, merchantability or fitness for a particular purpose thereof.

18.2 GENTA  JAGO  represents  and  warrants  that  it has all  rights  regarding
     Patents, GEOMATRIX(R)Technology and Know-How necessary to grant the License
     hereunder.  Notwithstanding  the  preceding  sentence,  GENTA JAGO does not
     assume any  responsibility  and makes no warranty that the  performance  of
     this Agreement and any product  developed  hereunder,  including  Prototype
     Formulation(s)  and Final  Products,  do not  infringe  any  third  party's
     patents,   patent  applications  or  other  intellectual  property  rights.
     Notwithstanding the preceding sentence,  GENTA JAGO represents and warrants
     that, as of the effective date of this  Agreement,  it is not aware and has
     not  knowledge  of any such  infringement  of any third party  rights.  If,
     however, during the course of this


                                      -25-


<PAGE>

     Agreement either Party discovers that the Prototype  Formulation(s)  and/or
     the Final Products infringe or may infringe any third party's  intellectual
     property  rights,  it shall promptly inform the other Party thereof and the
     Parties  shall meet to discuss the course of action to be taken with regard
     thereto.

18.3 Nothing in this Agreement shall be construed as a  representation  made, or
     warranty  given by GENTA  JAGO that any patent  will  issue  based upon any
     pending patent  application  encompassed by the term Patents,  and that any
     patent  encompassed  by the  term  Patents  which  issues  will be valid or
     enforceable.

18.4 GENTA JAGO assumes no liability or responsibility for any damages caused to
     KRYPTON,   third   parties,   animals   and/or  the   environment   by  the
     manufacturing,  marketing  or use of the  Prototype  Formulations  or Final
     Products or the active ingredient  contained therein,  except to the extent
     that any of the above are  attributable to the gross  negligence or willful
     misconduct of GENTA JAGO in performing its obligations hereunder.

18.5 Subject to the specific  representations  and warranties given and specific
     disclaimers of representations  and warranties included in this Article 18,
     and  further  subject  to  anything  to  the  contrary  contained  in  this
     Agreement, either Party shall, as to third parties, be indemnified and held
     harmless  by  the  other  Party  from  and  against  any  and  all  losses,
     liabilities and damages arising from any claim,  action or other proceeding
     by any third party  relating to any acts or  omissions  of the other Party,
     its directors,  officers,  employees or agents,  or the gross negligence or
     willful misconduct of such other Party, its directors,  officers, employees
     or agents in performing any of its obligations under this Agreement.

18.6 Any liability,  warranty and undertaking  contained herein shall be limited
     to the payment by either Party for direct damages to the other Party and in
     any  event,  neither  Party  shall be  liable  to the  other  Party for any
     special, indirect, punitive or consequential damages and/or loss of profits
     or anticipated profits, respectively.

18.7 KRYPTON shall,  at its own expense,  purchase from an insurance  company of
     its choice and shall  maintain  during the entire term of this Agreement an
     appropriate and customary policy of general liability and product liability
     insurance covering its responsibilities  regarding Prototype Formulation(s)
     and Final Products  developed,  manufactured,  marketed and sold under this
     Agreement and the Active Ingredient  contained therein and the use thereof.
     Upon  request,  KRYPTON  shall  provide  GENTA JAGO with evidence that such
     insurances are existing and are maintained.


                                   ARTICLE 19
                            MISCELLANEOUS PROVISIONS

19.1 Entire Agreement: The terms, covenants, conditions and provisions contained
     in this Agreement,  including its Appendices referred to herein, constitute
     the total and  complete  agreement of the Parties and  supersede  all prior
     understandings and agreements hereto


                                      -26-


<PAGE>

     made, and there are no other representations,  understandings or agreements
     relating to the subject matter hereof. The provisions of this Agreement may
     not be waived,  altered,  amended or repealed in whole or in part except by
     the written consent of both of the Parties to this Agreement.

19.2 Assignment:  This  Agreement may not be assigned or otherwise  transferred,
     nor, except as expressly  provided  hereunder,  may any right or obligation
     hereunder  be assigned or  transferred  by either  Party,  other than to an
     Affiliate of such Party,  without the consent of the other Party;  provided
     however, that either Party may, without such consent, assign this Agreement
     and its rights and obligations hereunder in connection with the transfer or
     sale of all or  substantially  all of its business,  or in the event of its
     merger,  consolidation,  change in  control  or  similar  transaction;  and
     provided  further that GENTA JAGO may without the consent of KRYPTON assign
     any and all of its rights and obligations  hereunder to the Licensor and/or
     any of the Licensor's  Affiliates.  Any permitted assignee shall assume all
     obligations  of its assignor  under this  Agreement or under the respective
     rights or obligations actually assigned.

19.3 Successors:  This  Agreement and all rights  hereunder  shall ensure to the
     benefit of all successors and assigns of both Parties.

19.4 Notices: Any consent, notice or report required or permitted to be given or
     made under this Agreement by one Party to the other shall be in English and
     in writing,  delivered  personally  or by courier  service or by  facsimile
     (promptly  confirmed by personal delivery or courier service)  addressed to
     the other Party at its address indicated below, or to such other address as
     shall have been  notified in writing to the sending  Party by the receiving
     party  from  time to time,  and  shall  take  effect  upon  receipt  by the
     addressee.


     IF TO KRYPTON:                          KRYPTON Ltd.
                                             East Wing, Second Level
                                             Hadfield House
                                             Library Street
                                             Gibraltar
                                             attn.: PRESIDENT

     WITH COPIES TO:                         SKYEPHARMA PLC
                                             105 Piccadilly
                                             London W1V 9FN, England
                                             attn.: COMPANY SECRETARY


     AND:                                    RINDERKNECHT GLAUS & STADELHOFER
                                             Beethovenstrasse 7
                                             P.O. Box 4451
                                             CH-8022 Zurich, Switzerland
                                             attn.: DR. THOMAS M. RINDERKNECHT


                                      -27-


<PAGE>

     IF TO GENTA JAGO:                       GENTA JAGO Technologies B.V.
                                             Swiss Branch
                                             Grundstrasse 12
                                             CH-6343 Rotkreuz, Switzerland
                                             attn.: MANAGEMENT COMMITTEE

     WITH COPIES TO:                         RINDERKNECHT GLAUS & STADELHOFER
                                             Beethovenstrasse 7
                                             8002 Zurich, Switzerland
                                             attn.: DR. THOMAS M. RINDERKNECHT

     AND:                                    PILLSBURY MADISON & SUTRO LLP
                                             235 Montgomery Street, 15th Floor
                                             San Francisco, CA 94104, U.S.A.
                                             attn.: THOMAS E. SPARKS, JR., ESQ.

19.5 Independent  Contractors:  It is expressly agreed that the Parties shall be
     independent contractors and that the relationship between the Parties shall
     not constitute a partnership,  joint venture or agency. Neither Party shall
     have the authority to make any statements,  representations  or commitments
     of any kind,  or to take any  action,  which  shall be binding on the other
     Party, without the prior written consent of the other Party to do so.

19.6 Severability:  Each Party  hereby  acknowledges  that it does not intend to
     violate any public policy,  statutory or common laws,  rules,  regulations,
     treaty or decision of any  government  agency or executive  body thereof of
     any country or community or  association  of countries.  Should one or more
     provisions of this Agreement be or become invalid, the Parties hereto shall
     substitute, by mutual consent, valid provisions for such invalid provisions
     which valid provisions in their economic effect are sufficiently similar to
     the invalid  provisions that it can be reasonably  assumed that the parties
     would have entered into this Agreement with such  provisions.  In case such
     provisions  cannot  be  agreed  upon,  the  invalidity  of one  or  several
     provisions  of  this  Agreement  shall  not  affect  the  validity  of this
     Agreement as a whole,  unless the invalid  provisions are of such essential
     importance to this Agreement  that it is to be reasonably  assumed that the
     Parties  would not have  entered  into this  Agreement  without the invalid
     provisions.

19.7 Force Majeure:  Neither Party hereto shall be held liable or responsible to
     the other  Party nor be deemed to have  defaulted  under or  breached  this
     Agreement for failure or delay in fulfilling or performing any term of this
     Agreement  when such  failure or delay is caused by or results  from causes
     beyond the  reasonable  control of the  affected  Party  including  but not
     limited  to fire,  floods,  embargoes,  war,  acts of war  (whether  war be
     declared or not), insurrections, riots, civil commotions, strikes, lockouts
     or other labor  disturbances,  acts of God or acts,  omissions or delays in
     acting by any governmental authority or the other Party hereto.


                                      -28-


<PAGE>

19.8  Interest:  In the event any amount due and payable under this Agreement is
      not paid by the due date,  then the Party owing such  amount  shall pay to
      the creditor,  without being requested by the other Party, interest on the
      total outstanding amount at the rate equal to the London Interbank Offered
      Rate  ("LIBOR"),  as published in the Wall Street Journal  (Europe) on the
      date that such payment  falls due,  increased by three  percent  (3%),  in
      United  States  Dollars and  adjusted  on the first day of every  calendar
      quarter.

19.9  Headings:  The titles and headings used in this Agreement are intended for
      convenience  only  and  shall  not  in  any  way  affect  the  meaning  or
      construction of any provision of this Agreement.

19.10 Waiver:  The waiver by either Party  hereto of any right  hereunder or the
      failure to perform or of a breach by the other Party shall not be deemed a
      waiver of any other right  hereunder  or of any other breach or failure by
      said other Party whether of a similar nature or otherwise.

19.11 Counterparts:  This Agreement may be executed in two or more counterparts,
      each of which shall be deemed an original, but all of which together shall
      constitute one and the same instrument.


                                   ARTICLE 20
                       DISPUTE RESOLUTION AND ARBITRATION

20.1  In the event of any dispute  arising  between the Parties  concerning this
      Agreement, GENTA JAGO and KRYPTON agree that in the first place they shall
      meet for good faith  discussions  in an attempt to  negotiate  an amicable
      solution.

20.2  Any dispute  arising between the Parties out of or in connection with this
      Agreement,  or the interpretation,  breach or enforcement  thereof,  which
      cannot be amicably  resolved pursuant to Section 20.1 above within two (2)
      months as from the first  appearance  of such  dispute,  shall be  finally
      resolved  by  binding  arbitration.  Whenever  a  Party  shall  decide  to
      institute  arbitration  proceedings,  it shall give written notice to that
      effect to all of the other Parties.  Any  arbitration  hereunder  shall be
      conducted  under  the  Rules  of  Conciliation   and  Arbitration  of  the
      International Chamber of Commerce. Any such arbitration shall be conducted
      in the English  language by a panel of three (3) arbitrators  appointed in
      accordance  with  such  rules,  and shall be held in  PARIS,  FRANCE.  The
      arbitrators shall have the authority to grant specific performance, and to
      allocate  among the parties  the costs of  arbitration  in such  equitable
      manner  as they  determine.  Judgment  upon the award so  rendered  may be
      entered in any court having  jurisdiction  or  application  may be made to
      such court for judicial  acceptance  of any award so rendered and an order
      of  enforcement,  as the case may be.  Whether a claim,  dispute  or other
      matter  in  question  would  be  barred  by  the  applicable   statute  of
      limitations, which also shall apply to any arbitration under this section,
      shall be determined by binding arbitration pursuant to this section.

20.3  Notwithstanding  anything  contained in this Article 20,  either Party may
      seek preliminary


                                      -29-


<PAGE>

      or  injunctive   measures  or  relief  in  any   competent   court  having
      jurisdiction.


                                   ARTICLE 21
                                 APPLICABLE LAW

      The Parties hereto agree that this Agreement,  all  transactions  executed
      hereunder  and  all  relationships   between  the  Parties  in  connection
      therewith  shall  be  construed  under  and be  governed  by the  laws  of
      Switzerland  without reference to the conflict of law principals  thereof,
      and shall not be governed by the United  Nations  Convention  on Contracts
      for the International Sale of Goods.



IN WITNESS WHEREOF,  the Parties have executed this Agreement as of the 31st day
of October 1996.



GENTA JAGO TECHNOLOGIES B.V.




/s/ Thomas H. Adams                               /s/ Jacques Gonella
- - - -------------------                               -------------------
by:  Dr. Thomas H. Adams                          by:  Dr. Jacques Gonella
its:  Managing Director                           its:  Managing Director


KRYPTON LTD.


/s/
- - - -------------------
by:
its:

The Licensor, Jagotec AG, hereby agrees to be bound by the obligations contained
in Section 17.5 of this Agreement.


JAGOTEC AG

/s/ Jacques Gonella
- - - -------------------
by:                                                          by:
its:                                                         its:


                                      -30-


                                                                   EXHIBIT 10.92
                        CONFIDENTIAL TREATMENT REQUESTED

                       DEVELOPMENT & SUB-LICENSE AGREEMENT
                                        *



This DEVELOPMENT AND SUB-LICENSE  AGREEMENT (this  "Agreement"),  effective from
the date last written hereunder, is entered into between GENTA JAGO TECHNOLOGIES
B.V.,  a Dutch  company,  having a place of  business at  Grundstrasse  12, 6343
Rotkreuz,  Switzerland  (hereinafter  referred to as "GENTA JAGO"),  and KRYPTON
LTD.,  a  Gibraltar  limited  company,  having a place of business at East Wing,
Second Level, Hadfield House, Library Street, Gibraltar (hereinafter referred to
as "KRYPTON")


                                   WITNESSETH:


WHEREAS,  GENTA JAGO has  expertise  in the  development  of  controlled-release
formulations for pharmaceutical agents and in particular has exclusive rights to
proprietary know-how and technology generally known and commercialized under the
registered  trademark  GEOMATRIX(R) and as described and embodied in the Patents
(as defined below) with respect to a Bioequivalent Product (as defined below) to
* _; and

WHEREAS,  KRYPTON is a company  which  markets  pharmaceutical  products  and is
interested in developing Prototype Formulations (as defined below) for the Final
Product (as defined below) and in seeking the approval of Regulatory Authorities
(as defined below) to  manufacture,  or have  manufactured  and market the Final
Product in the Territory (as defined below); and

WHEREAS, GENTA JAGO is prepared to conduct or have conducted certain studies and
the development of the Prototype Formulations and Final Product; and

WHEREAS,  GENTA  JAGO is  prepared  to grant to  KRYPTON  under  the  terms  and
conditions  set forth  hereafter a sub-license  under the Patents,  GEOMATRIX(R)
Technology  and Know-How (as defined below) to conduct  studies  relating to the
Prototype Formulations and, upon receipt of approval by the Regulatory Authority
(as defined  below),  to manufacture or have  manufactured,  market and sell the
Final Product in the Territory.


NOW, THEREFORE,  for and in consideration of the premises,  mutual covenants and
agreements  contained  herein and  intending  to be legally  bound  hereby,  the
Parties hereby agree as follows:


- - - -----------------
*        Confidential  treatment  requested.  The  redacted  material  has  been
         separately filed with the Commission.


<PAGE>

                                    ARTICLE 1
                                   DEFINITIONS

         For  purposes of this  Agreement,  the terms  defined in this Article 1
         shall have the following meanings:

1.1      "Active Ingredient" shall mean *.

1.2      "Affiliate"  shall  mean,  with  respect to either  Party  hereto,  any
         corporation,  partnership or other entity controlled by, controlling or
         under common control with, such Party, with "control" meaning direct or
         indirect beneficial  ownership of more than 50% of the voting power of,
         or  more  than  50%  of  ownership   interest  in,  such   corporation,
         partnership or other entity.

1.3      "ANDA" shall mean any Abbreviated New Drug  Application  filed with the
         FDA, by or for KRYPTON  requesting  authorization to manufacture,  have
         manufactured or sell the Final Product in the United States of America,
         or any equivalent  application  to a Regulatory  Authority in any other
         country of the Territory.

1.4      "Bioequivalent   Product"  shall  mean  a  drug  product   meeting  the
         bioequivalence  requirements  imposed by the FDA for in vitro and/or in
         vivo  testing as set forth in the  regulations  of the FDA at 21 C.F.R.
         ss.320 ("AB  Equivalent  Rating"),  as they may be amended from time to
         time.

1.5      "Competitive  Product"  shall  mean any  product  other  than the Final
         Product  or the  Originator  which is a  Bioequivalent  Product  of the
         Originator   and  is  marketed   and  sold  in  the   Territory   on  a
         country-to-country basis.

1.6      "FDA" shall mean the U.S. Federal Food and Drug  Administration and any
         successor agency thereof.

1.7      "Final  Product"  shall  mean  the  pharmaceutical  orally-administered
         controlled-release  formulation(s)  containing  the Active  Ingredient,
         presented as a compressed tablet developed  pursuant to this Agreement,
         based on the GEOMATRIX(R)  Technology and being a Bioequivalent Product
         of the  Originator,  of a  Competitive  Product or of any other product
         containing the Active Ingredient.

1.8      "GEOMATRIX(R)  Technology" shall mean the oral  controlled-release drug
         delivery and related technology  licensed to GENTA JAGO by the Licensor
         which  utilizes  a  hydrophilic  drug-containing  matrix  tablet  which
         controls the release of the drug through the use of one or more barrier
         layers.

1.9      "Gross Margin" shall mean, with respect to any Final Product, Net Sales
         less only the direct  cost of such Final  Product  sold,  i.e.  (a) raw
         material  cost,   (b)  direct  labor  cost,  (c)  reasonably   directly
         allocatable  overhead  cost  (e.g.  energy  cost),  (d)  packaging  and
         labeling


- - - -----------------
*        Confidential  treatment  requested.  The  redacted  material  has  been
         separately filed with the Commission.


                                      - 2 -


<PAGE>

         cost, and (e) other costs directly associated with the manufacturing of
         such Final Product (e.g. quality control). No other deductions from Net
         Sales are permissible  for the  calculation of Gross Margin,  including
         without   limitation,   sales,   marketing  and   distribution   costs.
         Alternatively,   in  the   event   that   KRYPTON   sub-contracts   the
         manufacturing  of any  Final  Product  to a third  party,  then  "Gross
         Margin"  with respect to such Final  Product  shall mean Net Sales less
         only the manufacturing  costs as invoiced by such  manufacturing  third
         party sub-contractor and actually paid by KRYPTON.

1.10     "Know-How" shall mean all information and data, which are not generally
         known  including,  but  not  limited  to,  patent  claims  and  related
         information  not yet  disclosed  to the public,  formulae,  procedures,
         protocols, techniques and results of experimentation and testing, which
         (a) relate to the GEOMATRIX(R)Technology,  any Prototype Formulation or
         any Final Product,  or (b) are necessary or useful to develop,  make or
         use any  Prototype  Formulation,  or (c) are  necessary  or  useful  to
         develop, seek regulatory approval, make, use or sell any Final Product,
         all to the  extent  presently  or  during  the  term of this  Agreement
         licensed or otherwise available to and at the free disposition of GENTA
         JAGO.

1.11     "License  Agreements" shall mean the license agreements entered into by
         and  between  GENTA JAGO and the  Licensor,  under  which the  Licensor
         granted  GENTA JAGO the rights in the  Patents,  the  Know-How  and the
         GEOMATRIX(R)   Technology,   which  are  the  subject   matter  of  the
         sub-license referred to in Article 11. below.

1.12     "Licensor" shall mean Jagotec AG, a Swiss corporation, having its place
         of business at Seestrasse 91, CH-6052 Hergiswil, Switzerland.

1.13     "Net Sales" shall mean, with respect to any Final Product, the invoiced
         sales price of such Final Product in finished  package form invoiced by
         KRYPTON  and/or its Affiliates to any  independent  customer other than
         KRYPTON's  Affiliates,  less (a)  credits,  allowances,  discounts  and
         rebates to, and  chargebacks  from the  account  of,  such  independent
         customers for spoiled, damaged,  out-dated,  rejected or returned Final
         Product;  (b) actual  freight and insurance  costs incurred and paid by
         KRYPTON  and/or its  Affiliates in  transporting  such Final Product in
         final form to such customers;  (c) customary  cash,  quantity and trade
         discounts and other price reduction  programs;  (d) sales,  use, value-
         added and other direct taxes (but  excluding  any income tax)  actually
         incurred  and paid by KRYPTON  and/or its  Affiliates;  and (e) customs
         duties,  surcharges and other governmental  charges incurred by KRYPTON
         and/or its Affiliates in connection with the exportation or importation
         of such Final Product in final form.

1.14     "Originator"  shall mean * actually  marketed in the United States by *
         or any other  pharmaceutical  products containing the Active Ingredient
         and being marketed in the Territory

1.15     "Patents" shall mean all patents and patent applications  heretofore or
         hereafter filed or having presently or in the future legal force in any
         country of the Territory,  licensed by the Licensor to GENTA JAGO which
         claim the GEOMATRIX(R) Technology or the


- - - -----------------
*        Confidential  treatment  requested.  The  redacted  material  has  been
         separately filed with the Commission.


                                      - 3 -


<PAGE>

         process to manufacture  Prototype  Formulations and/or Final Product by
         use of, or the use of, the GEOMATRIX(R)  Technology,  including but not
         limited to the  patents  and patent  applications  listed in APPENDIX A
         hereto, together with all patents that in the future issue therefrom in
         any  country  of the  Territory,  including  utility,  model and design
         patents  and   certificates   of   invention,   and  all   divisionals,
         continuations,  continuations-in-part,  reissues, renewals, extensions,
         substitutions,  confirmations  or  additions  to any such  patents  and
         patent applications,  all to the extent presently or during the term of
         this  Agreement  licensed  or  otherwise  available  to and at the free
         disposition of GENTA JAGO.

1.16     "Prototype  Formulations"  shall mean the oral delivery  system for the
         Active Ingredient based on the GEOMATRIX(R)  Technology that reasonably
         meet the Specifications.

1.17     "Regulatory  Authority" shall mean the FDA or any equivalent  competent
         regulatory authority in any other countries of the Territory.

1.18     "Specifications"  shall mean the Products  specifications  set forth in
         Appendix B attached hereto.

1.19     "Territory" shall mean *.


                                    ARTICLE 2
                              DEVELOPMENT PREAMBLE

2.1      At the date of execution of this  Agreement,  GENTA JAGO has  performed
         certain preliminary  development efforts for the Prototype Formulation.
         This development is hereby incorporated in this Agreement.

2.2      GENTA JAGO  undertakes  to conduct  the  development  of the  Prototype
         Formulation(s)  and the Final Product in an efficient and  professional
         manner.  KRYPTON  shall  actively  support  GENTA  JAGO  regarding  the
         development  and  studies  to be  executed  by  GENTA  JAGO  as  may be
         reasonably  required  by GENTA JAGO from time to time.  In  particular,
         KRYPTON shall provide  information  reasonably  requested by GENTA JAGO
         relating  to the  Originator  and  to the  Active  Ingredient  for  the
         purposes of carrying out this development,  including,  but not limited
         to,  physico-chemical   characteristics,   safe-handling  instructions,
         in-vitro  analytical  methods,  degradation  products and standards and
         analytical  methods therefore.  Additionally,  KRYPTON shall provide to
         GENTA JAGO  requested  data and adequate  quantities  of samples of the
         Originator  for the  purposes  of  conducting  the  Feasibility  Study.
         KRYPTON,   however,  shall  not  be  required  to  provide  information
         regarding  the  Originator  which is not in the public  domain,  unless
         KRYPTON is duly  authorized  to possess and  disclose  such  non-public
         information.  Any costs and expenses  incurred by KRYPTON in connection
         with such support shall be borne by KRYPTON.

2.3      Due to the nature and complexity of the  development and the respective
         studies  as set forth in this  Agreement,  the  Parties  recognize  and
         acknowledge that problems and delays


- - - -----------------
*        Confidential  treatment  requested.  The  redacted  material  has  been
         separately filed with the Commission.


                                      - 4 -


<PAGE>

         may occur  which  render the time  limits  set forth in this  Agreement
         and/or the  time-frame  of the  development  as  mutually  agreed  upon
         difficult or  impossible  to  accomplish.  The Parties  agree that they
         shall  immediately  inform  each  other in  writing  in the event  that
         significant  problems or delays are encountered or envisaged during the
         course of the development and shall discuss such problems and delays in
         order to agree on a mutually acceptable revision of the time limits set
         in this Agreement  and/or the time-frame as previously  mutually agreed
         upon.

2.4      Together with the notice from KRYPTON referred to in Section 3.1 below,
         KRYPTON,  or its  designated  supplier,  shall  supply  GENTA JAGO on a
         free-of-charge basis with sufficient quantities of Active Ingredient to
         perform the development program intended hereunder. Such supplies shall
         be accompanied with respective certificates of analysis and conformity.
         GENTA JAGO shall use all Active  Ingredient  supplied  to it by KRYPTON
         hereunder  solely and  exclusively in connection  with the  development
         program as mutually agreed upon.

         Alternatively,  KRYPTON may request  that GENTA JAGO obtain a supply of
         Active   Ingredient  from  a  reputable  source  having  the  necessary
         regulatory  clearances in place to allow future  marketing of the Final
         Product in the  Territory.  Should KRYPTON so require and GENTA JAGO so
         agree, the chosen supplier's facilities, processes and procedures shall
         be audited by GENTA  JAGO,  or a third  party  mutually  acceptable  to
         KRYPTON  and  GENTA  JAGO,  in  order  to  ensure  compliance  with the
         appropriate  regulatory  requirements.  KRYPTON  shall * of GENTA  JAGO
         incurred in carrying out, or having carried out such audit.  GENTA JAGO
         shall  provide  KRYPTON with a copy of the audit report  within  thirty
         (30) days as of the completion of the audit.

2.5      In the event that the Parties  mutually  agree that GENTA JAGO  becomes
         responsible for the supply of Active Ingredient,  KRYPTON shall * GENTA
         JAGO for any and all shipping and transportation  costs, import duties,
         taxes or other  costs  incurred by GENTA JAGO in  connection  with such
         supply of Active  Ingredient  upon receipt of GENTA  JAGO's  respective
         invoices.


                                    ARTICLE 3
                                FEASIBILITY STUDY

3.1      KRYPTON shall initiate the development program  contemplated  hereunder
         as soon as technically feasible and within the time limits set forth in
         the mutually accepted  development  program by giving written notice to
         that effect to GENTA JAGO.  Not later than two (2) months after receipt
         of (i) such  notice,  (ii) a * and (iii) the Active  Ingredient,  GENTA
         JAGO shall  commence  the  feasibility  study under this Article 3. and
         shall use its commercially  reasonable efforts to develop the Prototype
         Formulations.  Up to three (3) of the developed Prototype  Formulations
         shall be chosen by mutual  agreement  by the Parties for further  study
         and development.


- - - -----------------
*        Confidential  treatment  requested.  The  redacted  material  has  been
         separately filed with the Commission.


                                      - 5 -


<PAGE>

         The Parties  recognize  that the  Specifications  mutually  agreed upon
         eventually  will need to be updated with more  detailed  specifications
         for the Final  Product  in the course of the  development,  and in such
         case the Parties agree to mutually agree on any reasonable amendment of
         the Specifications.

3.2      The development of the Prototype  Formulations  shall include,  but not
         necessarily be limited to, the following elements:

         (a)      Development  and   establishment  of  analytical   methodology
                  specific   to   the   characterization   of   such   Prototype
                  Formulations;

         (b)      Qualitative   and   quantitative   characterization   of  such
                  Prototype Formulation;

         (c)   In-vitro  release  profile  characterization  of  such  Prototype
               Formulations and the Originator by using appropriate  methodology
               mutually agreed to by the Parties;

         (d)      Elaboration  of pre-scale up procedures  and the production of
                  samples   (2000  units  +/-  10%)  of  the  chosen   Prototype
                  Formulations  for  evaluation  by KRYPTON,  and for use in the
                  Pilot Pharmacokinetic Study under Article 4. below; and

         (e)      Accelerated  stability  testing of Prototype  Formulations  to
                  provide *.

3.3      GENTA JAGO will ensure the use of generally  accepted standards of Good
         Laboratory and  Manufacturing  Practices  during the performance of the
         feasibility study.

3.4      Within  thirty (30) days of the  completion of the  feasibility  study,
         GENTA JAGO shall supply KRYPTON with a report (the  "Feasibility  Study
         Report")   reasonably   detailing  the  development  of  the  Prototype
         Formulation(s) and containing one (1) month accelerated  stability data
         only. A supplement to the  Feasibility  Study Report  containing  the *
         accelerated stability data will be forwarded sixty (60) days later.

3.5      Prior to the  commencement  of the  Feasibility  Study GENTA JAGO shall
         submit to KRYPTON * for the entire  Feasibility  Study which * shall be
         reasonably acceptable to KRYPTON.  KRYPTON shall reimburse GENTA JAGO's
         *,  reasonably  incurred  by GENTA JAGO during the  Feasibility  Study,
         including  but not  limited  to costs,  expenses  and fees paid to Jago
         Pharma and third party  contractors,  by the payment of  non-refundable
         development  fees. Such development  costs shall be refunded by KRYPTON
         to GENTA JAGO * upon  receipt by KRYPTON of an invoice  from GENTA JAGO
         or Jago Pharma AG.

3.6      In the event that the  results of the  feasibility  study  conclusively
         demonstrate  that no Prototype  Formulation  has been  developed  which
         reasonably meets the Specifications to


- - - -----------------
*        Confidential  treatment  requested.  The  redacted  material  has  been
         separately filed with the Commission.


                                      - 6 -


<PAGE>

         the good faith  mutual  satisfaction  of KRYPTON  and GENTA  JAGO,  the
         Parties  agree  to  enter  into  good  faith  negotiations  in order to
         determine an appropriate course of action,  including,  but not limited
         to,  that the  Parties may  mutually  agree to abandon the  development
         program  under  this  Agreement,  and  terminate  this  Agreement  with
         immediate effect.


                                    ARTICLE 4
                           PILOT PHARMACOKINETIC STUDY

4.1      Included  as part of the  feasibility  study  described  in  Article 3.
         above,  KRYPTON  shall,  at its own  responsibility  and its own  cost,
         sub-contract  under  confidentiality   commitments  comparable  in  all
         material respects to the provisions set forth herein between GENTA JAGO
         and KRYPTON to an external  qualified  clinical  research  organization
         (hereinafter "CRO") to perform a pilot  pharmacokinetic  study pursuant
         to this Article 4.

4.2      The  Pilot   Pharmacokinetic   Study  shall  consist  of   commercially
         reasonable and appropriately  designed * of the Prototype  Formulations
         and the Originator. KRYPTON shall reasonably consult with GENTA JAGO in
         the  design of the Pilot  Pharmacokinetic  Study and shall  review  the
         final  protocol  with  GENTA  JAGO  prior to  initiating  work with the
         selected  sub-contractor.  The  Pilot  Pharmacokinetic  Study  shall be
         conducted  in  accordance  with  generally  accepted  standards of Good
         Clinical Practice and in compliance with Ethical Committee requirements
         or equivalent requirements, where applicable.

4.3      Prior to the commencement of the Pilot Pharmacokinetic Study GENTA JAGO
         shall  submit to KRYPTON * for the entire Pilot  Pharmacokinetic  Study
         which * shall  be  reasonably  acceptable  to  KRYPTON.  KRYPTON  shall
         reimburse GENTA JAGO's *, reasonably  incurred by GENTA JAGO during the
         Pilot  Pharmacokinetic  Study,  including  but not  limited  to  costs,
         expenses and fees paid to Jago Pharma and third party  contractors,  by
         the payment of non-refundable  development fees. Such development costs
         shall be refunded by KRYPTON to GENTA JAGO * upon receipt by KRYPTON of
         an invoice from GENTA JAGO or Jago Pharma AG.

4.4      KRYPTON shall provide GENTA JAGO with a copy of the report (hereinafter
         referred to as the "Pilot  Pharmacokinetic  Study  Report")  reasonably
         detailing the results of the Pilot Pharmacokinetic Study within six (6)
         weeks as of the study's  completion and presentation of the preliminary
         data for GENTA JAGO's file.

4.5      GENTA JAGO shall have no liability or  responsibility  whatsoever  with
         respect  to  such  Pilot  Pharmacokinetic   Study,   including  without
         limitation  the  availability  or quality of the  results and data from
         such Pilot  Pharmacokinetic  Study to be carried out by KRYPTON and the
         CRO.


- - - -----------------
*        Confidential  treatment  requested.  The  redacted  material  has  been
         separately filed with the Commission.


                                      - 7 -


<PAGE>

4.6      In the  event  that the  results  of the  Pilot  Pharmacokinetic  Study
         conclusively  demonstrate that it is not fully demonstrated to the good
         faith mutual  satisfaction  of KRYPTON and GENTA JAGO that at least one
         of  the  Prototype   Formulations   reasonably   meet  the   respective
         Specifications,   the  Parties  may  mutually   agree  to  abandon  the
         development  program and terminate  this Agreement with respect to such
         Prototype Formulation.


                                    ARTICLE 5
                             PRE-SCALE-UP ACTIVITIES

5.1      Upon completion of the Pilot Pharmacokinetic Study, KRYPTON may, at its
         option,  request  and charge  GENTA JAGO to carry out the  pre-scale-up
         activities as described in this Article 5. (hereinafter  referred to as
         the "Pre-Scale-Up Activities").  KRYPTON shall, within thirty (30) days
         as from the date of the Pilot  Pharmacokinetic  Study Report  notify in
         writing GENTA JAGO of its decision  whether to proceed with and to have
         GENTA JAGO perform the Pre-Scale-Up Activities.

5.2      Prior to the  commencement of the  Pre-Scale-Up  Activities  GENTA JAGO
         shall submit to KRYPTON * for the entire Pre-Scale-Up  Activities which
         * shall be reasonably  acceptable to KRYPTON.  KRYPTON shall  reimburse
         GENTA JAGO's *, reasonably  incurred by GENTA JAGO during the Pre-Scale
         Up activity, including but not limited to costs, expenses and fees paid
         to  Jago  Pharma  and  third  party  contractors,  by  the  payment  of
         non-refundable  development  fees.  Such pre  scale  up costs  shall be
         refunded  by  KRYPTON  to GENTA  JAGO * upon  receipt  by KRYPTON of an
         invoice from GENTA JAGO or Jago Pharma AG.

5.3      The  Pre-Scale-Up  Activities  to be  performed  by  GENTA  JAGO  shall
         comprise all  reasonable  activities  necessary to allow the technology
         transfer  to, and  subsequent  scale-up  at, the  mutually  established
         manufacturing site,  including,  but not limited to, final optimization
         of  the  Prototype  Formulation  (where  necessary),   development  and
         validation  of the  scale-up  manufacturing  procedure  and  analytical
         validation.  Such Pre-Scale-Up Activities shall be completed within the
         time period  mutually  agreed upon by the Parties in Appendix D hereto,
         calculated as from the date of receipt of the KRYPTON's notice by GENTA
         JAGO pursuant to Section 5.1 above.

5.4      In the  event  that  additional  clinical  testing,  including  without
         limitation,  confirming pharmacokinetic studies, is reasonably required
         or deemed necessary  beyond the program  envisaged in this Agreement in
         order to satisfy the FDA  requirements  for an NDA or ANDA  approval of
         the Product, KRYPTON and GENTA JAGO shall meet to discuss in good faith
         the appropriate course of action to be followed and agree upon any such
         additional  testing to be performed,  provided that any such additional
         testing shall in any event be funded solely by KRYPTON.


- - - -----------------
*        Confidential  treatment  requested.  The  redacted  material  has  been
         separately filed with the Commission.


                                      - 8 -


<PAGE>

5.5      Not later than upon the initiation of the Pre-Scale-Up Activities,  the
         Parties shall establish and mutually agree upon a  manufacturing  site,
         where the Bio-Batches referred to in Section 7.2 below required for the
         pivotal  clinical  studies will be produced and where the Final Product
         shall be manufactured  for commercial use after FDA approval(s) for the
         Final Product have been granted.


                                    ARTICLE 6
                        PRE-PIVOTAL PHARMACOKINETIC STUDY

6.1      Included as part of the Pre-Scale-Up  Activities,  KRYPTON shall at its
         own  responsibility  and its own cost, perform or have performed with a
         CRO selected by KRYPTON, a pre- pivotal  pharmacokinetic study pursuant
         to this Article 6.  (hereinafter  referred to as "Pre- Pivotal Study").
         Such  Pre-Pivotal  Study shall  consist of *, to select the best of the
         Prototype Formulations for each dose strength to be used in the further
         development under this Agreement.

6.2      The  Pre-Pivotal  Study  shall be  performed  in the  United  States of
         America.  KRYPTON shall  consult,  review and mutually agree with GENTA
         JAGO on the design and final protocol of such  Pre-Pivotal  Study prior
         to initiating work with the selected CRO.

6.3      KRYPTON shall reimburse to GENTA JAGO * incurred by GENTA JAGO to cover
         its workload for preparation and consulting of such Pre-Pivotal  Study.
         Such  development  costs  shall be paid by  KRYPTON * upon  receipt  by
         KRYPTON of an invoice from GENTA JAGO or Jago Pharma AG.

6.4      KRYPTON shall  provide  GENTA JAGO with a copy of the report  detailing
         the  results  of the  Pre-Pivotal  Study  within  ten (10)  days of its
         completion for GENTA JAGO's file. GENTA JAGO shall have no liability or
         responsibility  whatsoever  with  respect  to such  Pre-Pivotal  Study,
         including without  limitation,  the performance or conduct of such Pre-
         Pivotal  Study or the  availability  or quality of the results and data
         from such Pre-Pivotal Study to be carried out by KRYPTON and the CRO.

6.5      Upon  completion  of the  Pre-Pivotal  Study  and  availability  of the
         results of such Pre- Pivotal Study, the Parties shall consult with each
         other on such results and mutually  agree in writing upon the Prototype
         Formulation  to  be  selected  for  further   development   under  this
         Agreement.  In the event that the results of the Pre-Pivotal  Study are
         unsatisfactory  in that it is not fully  demonstrated to the good faith
         mutual  satisfaction  of the Parties that at least one of the Prototype
         Formulations meet the respective  Specifications,  KRYPTON may elect to
         abandon the  development  program and  terminate  this  Agreement  with
         respect to such Prototype  Formulation by giving written notice to that
         effect to GENTA JAGO.


- - - -----------------
*        Confidential  treatment  requested.  The  redacted  material  has  been
         separately filed with the Commission.


                                      - 9 -


<PAGE>


                                    ARTICLE 7
                               FURTHER ACTIVITIES

7.1      Technology Transfer

         Upon  mutual  agreement  of the  Prototype  Formulation  to be used for
         development  as referred  to in Section 6.5 above,  GENTA JAGO shall be
         responsible  for and initiate the  technology  transfer to, and perform
         the scale-up at, the manufacturing site mutually established and agreed
         upon by the Parties.  GENTA JAGO agrees that such technology  transfer,
         and in  particular  the  aspects  of  scale-up  and  validation  of the
         manufacturing  process  shall  be  carried  out by  GENTA  JAGO on such
         equipment  as shall  eventually  be used by KRYPTON or a third party to
         manufacture the Final Product. Upon completion of such scale-up,  GENTA
         JAGO shall notify KRYPTON thereof in writing.

7.2      Production of Industrial Scale Batches

         Upon receipt by KRYPTON of GENTA JAGO's  notice  referred to in Section
         7.1 above,  the Parties  shall  initiate  the  production  of three (3)
         industrial scale batches (hereinafter  "Bio-Batches") on such equipment
         as shall  eventually  be used KRYPTON or a third party to  commercially
         manufacture the Final Product,  based on the Prototype Formulation (the
         size of each  Bio-Batch to be not less than the greater of (i) 10% (ten
         percent) of the  anticipated  initial  commercial  batch size,  or (ii)
         100,000 tablets),  according to Current Good  Manufacturing  Practices,
         such  Bio-Batches  to be  subsequently  used for stability  testing and
         pivotal clinical studies;  provided however, that GENTA JAGO shall have
         the  ultimate  responsibility  with  respect  of any and all  technical
         aspects  of  such  production  of  batches  related  to the  technology
         transfer and the implementation of such technology in the manufacturing
         site.

7.3      Funding of Further Activities

         (a)      Prior to the commencement of any activities under Sections 7.1
                  and 7.2 above  GENTA JAGO  shall  submit to KRYPTON * for such
                  further  activities which * shall be reasonably  acceptable to
                  KRYPTON.  KRYPTON  shall  refund  GENTA  JAGO's  *  reasonably
                  incurred  by GENTA  JAGO  under  Sections  7.1 and 7.2  above,
                  including but not limited to costs,  expenses and fees paid to
                  Jago  Pharma and third  party  contractors,  by the payment of
                  non-refundable  development  fees.  Such  further  development
                  costs shall be  refunded by KRYPTON * upon  receipt by KRYPTON
                  of an invoice from GENTA JAGO or Jago Pharma AG.

         (b)      Furthermore,  KRYPTON shall be  responsible,  at its own cost,
                  for the supply of all raw material including,  but not limited
                  to, the Active Ingredients  required or necessary for, and all
                  additional costs and expenses  whatsoever arising out of or in
                  connection  with, the production of the Bio-Batches  described
                  in Section 7.2 above and all other costs  associated  with the
                  use  of  facilities,   technology   transfer,   equipment  and
                  analytical services.


- - - -----------------
*        Confidential  treatment  requested.  The  redacted  material  has  been
         separately filed with the Commission.


                                     - 10 -


<PAGE>

7.4      Stability Testing

         (a)      KRYPTON shall be responsible for and perform or have performed
                  at its own cost,  the  stability  testing of the Final Product
                  according to the then current  requirements of the FDA in bulk
                  packaging  and in the final  packaging  materials.  GENTA JAGO
                  shall have no  liability  or  responsibility  whatsoever  with
                  respect  to  such   stability   testing,   including   without
                  limitation,  the  performance  or  conduct  of such  stability
                  testing or the availability or quality of the results and data
                  from such stability  testing to be carried out or requested by
                  KRYPTON.

         (b)      KRYPTON  shall  provide  to  GENTA  JAGO  with a  copy  of all
                  stability  testing  data  within  thirty  (30) days  after the
                  completion  of  each  stability  testing  period  (hereinafter
                  referred to as the "Final Stability Testing Report") for GENTA
                  JAGO's file.

         (c)      GENTA JAGO agrees to provide additional  technical  assistance
                  and consultation as may be reasonably  requested by KRYPTON in
                  connection  with the stability  testing of the Final  Product.
                  KRYPTON shall pay to GENTA JAGO for such services  provided by
                  GENTA JAGO's or Jago Pharma's  personnel an amount of USD * or
                  part thereof spent, and  furthermore,  KRYPTON shall reimburse
                  GENTA JAGO for all reasonable  and  documented  travel related
                  expenses  of GENTA  JAGO  personnel  who  travel at  KRYPTON's
                  request  to  locations  remote  from  such  personnel's  usual
                  working location.

7.5      Further Provisions

         In the event that  KRYPTON  and GENTA JAGO  shall  reasonably  deem the
         results or data from any of the  activities  to be  performed by either
         Party  under this  Article  7. with  respect  to any dose  strength  be
         unsatisfactory  for any  reason,  the  Parties  may  mutually  agree to
         abandon the  development  program and  terminate  this  Agreement  with
         immediate effect.


                                    ARTICLE 8
                             PIVOTAL CLINICAL STUDY

8.1      Promptly  upon  completion  of the  further  activities  referred to in
         Article 7. above,  KRYPTON shall, at its own responsibility and its own
         cost, sub-contract under confidentiality  commitments comparable to the
         provisions  set forth  herein  between  GENTA  JAGO and  KRYPTON  to an
         external  qualified CRO of its choice,  reasonably  acceptable to GENTA
         JAGO,  to  perform  and  manage a series of  pivotal  clinical  studies
         (hereinafter  "Clinical  Studies") in man required and/or necessary for
         any subsequent NDA or ANDA for the Final Product in accordance with the
         then current requirements of the FDA.

8.2      KRYPTON shall  consult,  review and agree with GENTA JAGO on the design
         and the final  protocol of such  Clinical  Studies  prior to initiating
         work with the selected sub-contractor.


- - - -----------------
*        Confidential  treatment  requested.  The  redacted  material  has  been
         separately filed with the Commission.


                                     - 11 -


<PAGE>

8.3      KRYPTON shall reimburse to GENTA JAGO * incurred by GENTA JAGO to cover
         its workload for preparation  and consulting of such Clinical  Studies.
         Such  development  costs  shall be paid by  KRYPTON * upon  receipt  by
         KRYPTON of an invoice from GENTA JAGO or Jago Pharma AG.

8.4      KRYPTON shall  provide  GENTA JAGO with a copy of the report  detailing
         the  results  of the  Clinical  Studies  within  ten  (10)  days of its
         completion for GENTA JAGO's file.

8.5      GENTA JAGO shall have no liability or  responsibility  whatsoever  with
         respect to such Clinical  Studies,  including without  limitation,  the
         performance or conduct of such Clinical  Studies or the availability or
         quality  of the  results  and data from  such  Clinical  Studies  to be
         carried out or requested by KRYPTON.

8.6      In the event  that the  results of the  Pivotal  Clinical  Studies  are
         unsatisfactory  in that it is not fully  demonstrated to the good faith
         mutual  satisfaction  of  KRYPTON  and GENTA  JAGO  that the  Prototype
         Formulation reasonably meets the respective Specifications, the Parties
         may mutually  agree to abandon the  development  program and  terminate
         this Agreement with respect to such dose strength.


                                    ARTICLE 9
                     THE REGULATORY (NDA OR ANDA) SUBMISSION

9.1      Upon  completion of the Clinical  Studies,  KRYPTON may, at its option,
         elect to prepare  and submit to the FDA an NDA or ANDA.  KRYPTON  shall
         notify GENTA JAGO of its  election to exercise or not to exercise  this
         option by giving  written  notice  thereof to GENTA JAGO within  thirty
         (30)  days  as of the  availability  of  the  results  of the  Clinical
         Studies.

9.2      In the event that KRYPTON elects  pursuant to Section 9.1 above to make
         NDA or ANDA submission(s) to any Regulatory Authority with respect to a
         Final Product, KRYPTON shall have sole liability and responsibility for
         the prosecution, conduct and results of such NDA or ANDA and shall bear
         all costs in connection  therewith.  KRYPTON,  at KRYPTON's option, may
         elect by  written  notice to GENTA JAGO  prior to  commencement  of the
         technology transfer referred to in Section 7.1 above to have the NDA or
         ANDA  dossier  prepared  on  its  behalf  by a  qualified  third  party
         acceptable to GENTA JAGO.  KRYPTON shall be liable and  responsible for
         any and all costs associated with such sub-contracting.

9.3      KRYPTON or its chosen sub-contractor shall consult with GENTA JAGO, and
         GENTA  JAGO  agrees to  provide  additional  technical  assistance  and
         consultation  as may be  reasonably  requested by KRYPTON or the chosen
         sub-contractor,  in connection  with the preparation and prosecution of
         any NDA or ANDA or with the preparation of the dossier


- - - -----------------
*        Confidential  treatment  requested.  The  redacted  material  has  been
         separately filed with the Commission.


                                     - 12 -


<PAGE>

         to be  submitted to the FDA.  KRYPTON  shall pay to GENTA JAGO for such
         services and consultation  provided by GENTA JAGO's personnel an amount
         of  USD  * or  any  part  thereof  spent.  Furthermore,  KRYPTON  shall
         reimburse  GENTA  JAGO for  reasonable  and  documented  travel-related
         expenses of GENTA JAGO personnel who travel at KRYPTON's request to the
         elected manufacturing facility(ies) or other locations remote from such
         personnel's usual working location.


                                   ARTICLE 10
                         PROPRIETARY RIGHTS AND PATENTS

10.1     Patents and Proprietary Rights of GENTA JAGO

         (a)      The Licensor and GENTA JAGO, respectively,  shall retain title
                  to  and  ownership  of  Patents,   Know-How  and  GEOMATRIX(R)
                  Technology licensed to GENTA JAGO, including,  but not limited
                  to,  any and  all  developments  and  inventions  relating  to
                  Patents,  Know-How and  GEOMATRIX(R)  Technology  (hereinafter
                  collectively referred to as "GENTA JAGO IPR").

         (b)      KRYPTON  shall  not,   directly  or  indirectly   through  its
                  officers,  directors,  employees,  agents,  customers or other
                  controlled   or   associated   third   parties,   acquire  any
                  proprietary  interest  in or other  right to GENTA  JAGO  IPR,
                  other than provided in this Agreement.

         (c)      GENTA JAGO shall use all commercially  reasonable  efforts, at
                  its own cost, to cause the Licensor to prepare,  prosecute and
                  maintain  all patent  applications  and  patents  constituting
                  Patents, and shall keep KRYPTON fully and promptly informed on
                  any developments or changes relating thereto.  If the Licensor
                  decides  not  to  further  prosecute  any  patent  application
                  constituting Patents, GENTA JAGO shall promptly inform KRYPTON
                  of such  decision in  writing,  and the  Parties  shall,  upon
                  KRYPTON's  reasonable written request,  meet with the Licensor
                  to discuss any reasonable  appropriate action. During the term
                  of this Agreement, GENTA JAGO shall, at its sole cost, use all
                  commercially  reasonable efforts to cause the Licensor to take
                  all steps  necessary  to maintain  Patents to the extent GENTA
                  JAGO deems  commercially  reasonable.  If the Licensor decides
                  not to maintain any patent  constituting  Patents,  GENTA JAGO
                  shall promptly inform KRYPTON of such decision in writing, and
                  the Parties shall, upon KRYPTON's  reasonable written request,
                  meet with the Licensor to discuss any  reasonable  appropriate
                  action. Notwithstanding the foregoing, KRYPTON acknowledges to
                  GENTA JAGO that  Licensor  has the final  authority  regarding
                  such  preparation,  prosecution  and maintenance of all patent
                  applications and patents.

10.2     Patents and Proprietary Rights for Final Products

         (a)      KRYPTON   shall   retain   title  to  and   ownership  of  all
                  developments, whether patentable or not, relating specifically
                  and exclusively to the Final Products, provided


                                     - 13 -


<PAGE>

                  that such developments are entirely independent of any and all
                  GENTA JAGO IPR  (hereinafter  collectively  referred to "Final
                  Product IPR").

         (b)      KRYPTON shall be responsible for and shall control, at its own
                  cost,  the  preparation,  prosecution  and  maintenance of all
                  Final Product IPR and shall keep GENTA JAGO fully and promptly
                  informed  on any  developments  or changes  relating  thereto.
                  During the term of this Agreement,  KRYPTON shall, at its sole
                  cost,  take all steps  necessary to prosecute  and/or maintain
                  all Final Product IPR to the extent KRYPTON deems commercially
                  reasonable. If KRYPTON intends not to further prosecute and/or
                  maintain any of the Final Product IPR,  KRYPTON shall promptly
                  inform GENTA JAGO of such intention in writing, and GENTA JAGO
                  shall have the right and option,  but not the  obligation,  to
                  have  transferred  to it sole title to and  ownership  in such
                  Final  Product  IPR free of any  charge by  giving  respective
                  written  notice  thereof to KRYPTON  within  thirty  (30) days
                  after GENTA  JAGO's  receipt of KRYPTON's  notice  referred to
                  above.

         (c)      In the event GENTA JAGO has and exercises its right and option
                  referred to Section 10.2 (b) above to have  transferred  to it
                  any such Final Product IPR,  KRYPTON shall promptly  undertake
                  any and all steps required and/or  necessary to transfer title
                  to and  ownership of such Final  Product IPR to GENTA JAGO. In
                  the  event  that  GENTA  JAGO  exercises  its  option  to have
                  transferred such Final Product IPR from KRYPTON to GENTA JAGO,
                  GENTA JAGO shall  maintain  such Final  Product IPR during the
                  term  of  this  Agreement  to  the  extent  GENTA  JAGO  deems
                  commercially  reasonable  and shall  bear all cost  associated
                  therewith  incurred  after the date of GENTA JAGO's  notice to
                  KRYPTON  exercising its option referred to in Section 10.2 (b)
                  above. In such case, the Parties shall negotiate in good faith
                  the terms and  condition,  under which such Final  Product IPR
                  transferred  to GENTA JAGO shall be  included  in the  License
                  pursuant to Article 11. below.

10.3     Notification of Infringement

         (a)      If KRYPTON becomes aware of (i) any product or activity of any
                  kind that involves or may involve an infringement or violation
                  of GENTA JAGO IPR or Final Product IPR or (ii) any third-party
                  action,  claim or  dispute  (including,  but not  limited  to,
                  actions for  declaratory  judgment  alleging the invalidity or
                  non-infringement)  based upon or arising out of GENTA JAGO IPR
                  or Final Product IPR, then KRYPTON shall promptly notify GENTA
                  JAGO in writing of any such infringement,  violation,  action,
                  claim or dispute.

         (b)      If GENTA JAGO becomes  aware of (i) any product or activity of
                  any kind that  involves  or may  involve  an  infringement  or
                  violation of GENTA JAGO IPR with respect to Final  Products or
                  of Final Product IPR; or (ii) any third-party action, claim or
                  dispute   (including,   but  not  limited   to,   actions  for
                  declaratory    judgment    alleging    the    invalidity    or
                  non-infringement)  based upon or arising out of GENTA JAGO IPR
                  with respect to Final  Products or of Final  Product IPR, then
                  GENTA JAGO  shall  promptly  notify  KRYPTON in writing of any
                  such infringement, violation, action, claim or dispute.


                                     - 14 -


<PAGE>

10.4     Enforcement of GENTA JAGO IPR

         (a)      GENTA JAGO, at its sole expense, shall have the right, but not
                  the  obligation,  (i) to determine the  appropriate  course of
                  action to enforce,  or otherwise abate the infringement of, or
                  defend third-party actions regarding,  GENTA JAGO IPR, (ii) to
                  take, or refrain from taking,  appropriate  action to enforce,
                  or defend third-party actions regarding, GENTA JAGO IPR, (iii)
                  to  control  any  litigation  or  other   enforcement   action
                  regarding  GENTA JAGO IPR, and (iv) to enter into,  or permit,
                  the  settlement of any such  litigation  or other  enforcement
                  action regarding GENTA JAGO IPR. GENTA JAGO shall keep KRYPTON
                  informed on a regular basis on its taking or  refraining  from
                  taking,  and the development of, any of the foregoing actions,
                  and shall  consider,  in good faith,  the interests of KRYPTON
                  under this Agreement when taking any of the foregoing actions,
                  to the extent  that any such action or such  infringement  may
                  have an adverse effect on Final Product. KRYPTON shall, at its
                  own cost,  fully  cooperate with GENTA JAGO in the planing and
                  execution  of any suit or other  action to enforce,  or defend
                  third-party  actions regar- ding, GENTA JAGO IPR as reasonably
                  required or requested by GENTA JAGO.

         (b)      If GENTA JAGO does not within  one-hundred-twenty  (120) days,
                  or  any  shorter  delay  imposed  by  any  applicable  law  or
                  regulation or court or authority  having  jurisdiction,  after
                  receiving  notice of any  infringement  or  violation of GENTA
                  JAGO IPR which may adversely affect Final Products,  or of any
                  third-party action, claim or dispute based upon or arising out
                  of GENTA JAGO IPR which may adversely  affect Final  Products,
                  commence or take an action to enforce, or otherwise abate such
                  infringement,  or defend against such third-party action, then
                  the Parties shall,  upon KRYPTON's  written request,  promptly
                  meet to discuss any reasonable  appropriate action with regard
                  to such  enforcement  of GENTA  JAGO IPR which  may  adversely
                  affect Final Products, provided however, that KRYPTON is aware
                  and acknowledges  that in such case the Licensor will have the
                  right to enforce  any and all GENTA JAGO IPR  pursuant  to the
                  License Agreements.

         (c)      Subject to the right of the  Licensor  to control  any suit or
                  other  action with regard to GENTA JAGO IPR as outlined in the
                  preceding  section,  KRYPTON,  upon its written request and at
                  its  sole  expense,  shall  be  made  an  additional,  but not
                  controlling  party,  in any such  suit or other  action  where
                  necessary  to obtain  complete  relief  regarding  the subject
                  infringement or violation.

10.5     Enforcement of Final Product IPR

         (a)      KRYPTON,  at its sole expense,  shall have the right,  but not
                  the  obligation,  (i) to determine the  appropriate  course of
                  action to enforce,  or otherwise abate the infringement of, or
                  defend third-party actions regarding,  Final Product IPR, (ii)
                  to  take,  or  refrain  from  taking,  appropriate  action  to
                  enforce,  or  defend  third-party  actions  regarding,   Final
                  Product IPR, (iii) to control any litigation or other


                                     - 15 -


<PAGE>

                  enforcement  action  regarding  Final Product IPR, and (iv) to
                  enter into, or permit,  the settlement of any such  litigation
                  or other  enforcement  action  regarding  Final  Product  IPR.
                  Notwithstanding  anything contained in the preceding sentence,
                  KRYPTON  shall not  settle  any suit or  action  or  otherwise
                  consent to an adverse  judgment in such suit or action without
                  the prior written  consent of GENTA JAGO,  which consent shall
                  not be withheld  unreasonably.  KRYPTON  shall keep GENTA JAGO
                  informed on a regular basis on its taking or  refraining  from
                  taking,  and the development of, any of the foregoing actions,
                  and shall consider, in good faith, the interests of GENTA JAGO
                  under this Agreement and in GENTA JAGO IPR, when taking any of
                  the foregoing actions.

         (b)      If KRYPTON does not, within one-hundred-and-twenty (120) days,
                  or  any  shorter  delay  imposed  by  any  applicable  law  or
                  regulation or court or authority  having  jurisdiction,  after
                  receiving  notice of any  infringement  or  violation of Final
                  Product IPR, or of any  third-party  action,  claim or dispute
                  based upon or arising out of Final  Product  IPR,  commence or
                  take  an  action  to   enforce,   or   otherwise   abate  such
                  infringement,  or defend against such third-party action, then
                  GENTA JAGO shall have the right,  but not the  obligation,  at
                  its sole expense,  to take and control such action as it deems
                  appropriate  to  enforce,  or abate  the  infringement  of, or
                  defend  against  such  third-party  action,   regarding  Final
                  Product  IPR.  GENTA  JAGO shall keep  KRYPTON  informed  on a
                  regular basis of any such action and consider,  in good faith,
                  the interests of KRYPTON under this  Agreement when taking any
                  of the foregoing  actions.  KRYPTON,  upon its written request
                  and at its sole expense, shall be made an additional,  but not
                  controlling party, in any such suit or other action controlled
                  by GENTA  JAGO  where  necessary  to  obtain  complete  relief
                  regarding the subject infringement or violation.

10.6     Application of Monies Recovered

         Subject  always to the right of the  Licensor  to  control  any suit or
         other  action  with  regard to GENTA  JAGO IPR as  outlined  in Section
         10.4(c)  and any right to receive  any monies  recovered  therefrom  as
         provided for in the License  Agreements,  all monies recovered upon the
         final  judgment or  settlement  of any suit or other  action under this
         Sections 10.4 or 10.5 shall be applied as follows:

         (i)      to cover any and all costs and expenses (including  attorney's
                  fees)  incurred  by the Party  controlling  such suit or other
                  action;

         (ii)     to cover any and all costs and expenses (including  attorney's
                  fees)  reasonably,  or upon request of the controlling  Party,
                  incurred  by the other Party in  connection  with such suit or
                  other action, if any;

         (iii)    the remainder,  if any, to the Party controlling any such suit
                  or other action.


                                     - 16 -


<PAGE>

                                   ARTICLE 11
                              SUB-LICENSE AGREEMENT

11.1     GENTA JAGO hereby grants to KRYPTON the  exclusive  and  sublicenseable
         right and  sub-license  (hereinafter  referred to as the  "License") to
         use, manufacture, have manufactured, sell and market the Final Products
         in the Territory and to use the Patents,  GEOMATRIX(R)  Technology  and
         Know How  exclusively  for that purpose subject to the payment of the *
         and the Royalties pursuant to Articles 13. and 14. below.

11.2     The  rights  of  KRYPTON  to grant any  sub-license  in any part of the
         Territory shall be subject to the requirement that KRYPTON shall obtain
         the  written  approval  of  GENTA  JAGO  prior  to  executing  any such
         sub-license  agreement,   which  approval  shall  not  unreasonably  be
         withheld,  provided however,  that no such approval by GENTA JAGO shall
         be required for any sub-license to an Affiliate of KRYPTON .

11.3     In any event KRYPTON shall be responsible  for any and all acts,  deeds
         and undertakings of its permitted  sub-licensee(s)  and KRYPTON and its
         permitted  sub-licensee(s)  shall continue to be bound by all terms and
         provisions  under  this  Agreement  throughout  its term.  In case that
         KRYPTON  sub-licenses  rights and/or the License to any sub-licensee(s)
         approved by GENTA JAGO, such sub-licensee(s)  shall agree in writing to
         any  and all of  KRYPTON's  obligations  and  undertakings  under  this
         Agreement, including but not limited to its confidentiality obligations
         set forth hereinafter. Furthermore, KRYPTON undertakes that any and all
         sub-license   agreements   shall  provide  for   inspection  and  audit
         provisions  identical  to the  provisions  set forth  below in order to
         enable GENTA JAGO to control and audit and receive any and all fees and
         Royalties  due as provided in this  Agreement.  KRYPTON  shall  provide
         GENTA JAGO  promptly with  reasonable  appropriate  information  on its
         sub-licensee(s) and copies of all agreements with such  sub-licensee(s)
         (with only the commercial terms may be redacted).


                                   ARTICLE 12
                       MANUFACTURING AND PRODUCT LIABILITY

12.1     In the event that KRYPTON,  subject to Section 5.5 above,  elects GENTA
         JAGO, and GENTA JAGO expressly  agrees to such  manufacture,  or any of
         its Affiliates shall manufacture Final Products, then the Parties agree
         to  enter  into  good  faith  negotiations  on and to use  commercially
         reasonable  efforts to execute in due time a  respective  Manufacturing
         and Supply  Agreement,  according to which GENTA JAGO or its Affiliates
         shall  undertake to manufacture and supply Final Products in sufficient
         quantities  to meet  KRYPTON's  requirements,  at a sale price for such
         Final  Products  manufactured  equal to GENTA JAGO's * In the event and
         for such period of time, that GENTA JAGO or its Affiliate  manufactures
         and  supplies  Final  Product  under  such   Manufacturing  and  Supply
         Agreement,  the Royalty Rate referred to in Section 14.1 below shall be
         *

12.2     In the event that KRYPTON or any of its  Affiliates  or any third party
         is elected pursuant


- - - -----------------
*        Confidential  treatment  requested.  The  redacted  material  has  been
         separately filed with the Commission.


                                     - 17 -


<PAGE>

         to  Section  5.5  above to  manufacture  Final  Product,  then  KRYPTON
         undertakes and agrees that at all times the  Specifications  and to any
         and all laws, rules and regulations  imposed by any competent authority
         on  the  manufacturing,  marketing,  distribution  and  sale  of  Final
         Products are strictly adhered to by the manufacturer, and KRYPTON shall
         during the entire term of this Agreement be solely and fully liable and
         responsible  for  the  compliance   with  all  such  laws,   rules  and
         regulations  when  manufacturing,   having   manufactured,   marketing,
         distributing   and  selling  Final   Products   itself  and/or  through
         Affiliates or sub- licensee(s).

12.3     KRYPTON shall indemnify, defend and hold GENTA JAGO, its Affiliates and
         the Licensor harmless from and against any losses, claims, liabilities,
         costs and expenses (including  reasonable  attorney's fees) that may be
         imposed  upon or  asserted  against  GENTA JAGO  and/or its  Affiliates
         and/or  the  Licensor  as a  result  of  the  marketing,  distributing,
         manufacture,  use or sale of Final Products by or on behalf of KRYPTON,
         its  Affiliates,  agents or  sub-licensee(s),  except for those claims,
         liabilities,  costs and  expenses  arising  from  gross  negligence  or
         intentional misconduct on the part of GENTA JAGO, its Affiliates or the
         Licensor.


                                   ARTICLE 13
                       * PAYMENTS AND OTHER CONSIDERATION

13.1     As consideration for GENTA JAGO's preliminary  development  efforts for
         the  Prototype  Formulation  performed  prior to the  execution of this
         Agreement as referred to in Section 2.1 above,  KRYPTON  undertakes  to
         pay to  GENTA  JAGO  an  initial *,  payable  upon  execution  of  this
         Agreement.

13.2     As consideration for the License granted by GENTA JAGO to KRYPTON under
         this Agreement and in consideration of certain major  development steps
         achieved hereunder, KRYPTON undertakes to pay to GENTA JAGO *:

         (a)      *  KRYPTON's  receipt of GENTA  JAGO's  notice  referred to in
                  Section 7.1 above; and

         (b)      *; and

         (c)      * for the Final Product; and

         (d)      * for the Final Product.


- - - -----------------
*        Confidential  treatment  requested.  The  redacted  material  has  been
         separately filed with the Commission.


                                     - 18 -


<PAGE>

13.3     The Parties agree that an * as set forth in Section 14.4 below.

13.4     Unless otherwise  agreed by the Parties in writing,  all payments under
         this  Article 13.  shall be made in United  States  Dollars and to such
         place or account as GENTA JAGO reasonably requests from time to time in
         writing.


                                   ARTICLE 14
                                    ROYALTIES

14.1     During a period  commencing  upon the  first  commercial  sale of Final
         Product in each country of the Territory and ending upon the earlier of
         (i) the fifteenth  (15th)  anniversary of the first  commercial sale of
         Final Product in such country of the Territory, and (ii) the expiration
         of the last of the Patents  covering  Final  Product in such country of
         the Territory  (hereinafter  referred to as the "Royalty Term"), and in
         further  consideration of the License granted to KRYPTON by GENTA JAGO,
         KRYPTON shall pay to GENTA JAGO a royalty  (hereinafter  referred to as
         the  "Royalty")  of an amount  equal to * of the Final  Product  in the
         Territory.

14.2     The  Parties  agree  that * shall be  applicable  for the first time on
         sales of such Final Product in such country of the Territory  after the
         beginning  of the  calendar  quarter  immediately  following  the first
         commercial sale of such Competitive Product.

14.3     Royalties shall be payable on a quarterly basis. KRYPTON shall remit to
         GENTA JAGO within six (6) weeks after the end of each calendar  quarter
         the  amount of  Royalty  due with  respect  to Net Sales  and/or  Gross
         Margin,  as  the  case  may  be,  achieved  in the  preceding  quarter,
         beginning with the calendar  quarter in which the first commercial sale
         of the Final Product is made in any country of the  Territory.  KRYPTON
         shall  deliver to GENTA  JAGO,  along with such  remittance  of Royalty
         payments, a detailed statement (hereinafter referred to as the "Royalty
         Report") of the Net Sales and/or Gross  Margin,  as the case may be, of
         the Final  Product on a  country-by-country  basis to which the Royalty
         payment relates.

14.4     All Royalty  Reports  shall be prepared in  accordance  with  generally
         accepted  accounting  principles  consistently  applied from applicable
         period to period  and shall be  certified  by an  officer of KRYPTON as
         being so prepared, true, accurate and correct.


- - - -----------------
*        Confidential  treatment  requested.  The  redacted  material  has  been
         separately filed with the Commission.


                                     - 19 -


<PAGE>

14.5     In recognition of the * by KRYPTON to GENTA JAGO prior to the
         commercial sale of the Final Products,  the amount of Royalty  payments
         due to GENTA  JAGO  under  Article  14.2  above  with  respect  to each
         calendar  quarter shall be * until such time as the aggregate amount of
         all *

14.6     Unless  otherwise  agreed  by  the  Parties  in  writing,  payments  of
         Royalties  shall be made in United States  Dollars and to such place or
         account as GENTA JAGO reasonably requests from time to time in writing.
         Any  conversions  into United States Dollars from the currency in which
         the corresponding Net Sales and/or Gross Margin for such Royalties were
         made, are to be calculated as using the average closing buying rate for
         such  currency  quoted  in the  continental  terms  method  of  quoting
         exchange rates (local  currency per USD 1) published in the Wall Street
         Journal on the last  business day of the  applicable  reporting  period
         covered by such Royalty Report.


                                   ARTICLE 15
                              INSPECTION AND AUDIT

15.1     During the term of this  Agreement  and during a period of twelve  (12)
         months after its  expiration or  termination  for any reason,  upon the
         written  request  of GENTA  JAGO and not more than  once each  calendar
         year,  KRYPTON shall permit an independent  certified public accountant
         of internationally recognized standing selected by GENTA JAGO, at GENTA
         JAGO's expense, to have access during regular business hours to such of
         the  records  of  KRYPTON  and  its  Affiliates  as may  be  reasonably
         necessary  to verify the  accuracy of the Royalty  Reports for any year
         ending not more than  thirty-six  (36) months prior to the date of such
         request.  The accounting firm shall disclose to GENTA JAGO only whether
         the Royalty  Reports and records of KRYPTON and its  Affiliates and the
         amount of Royalties  actually  paid are correct or not and the specific
         details  concerning any  discrepancies;  no other  information shall be
         shared.  The Parties agree to accept such written audit report as final
         and binding upon them.

15.2     If such independent accounting firm correctly concludes that additional
         Royalties were owed during any such period  audited,  KRYPTON shall pay
         such additional  Royalties  within ten (10) days of the date GENTA JAGO
         delivers  to  KRYPTON  such   accounting   firm's   written  report  so
         concluding.  The fees and expenses charged by such accounting firm with
         respect to such audit shall be paid by GENTA JAGO; provided however, if
         any such audit  correctly  discloses that Royalties  payable by KRYPTON
         for  the  audited  period  are  more  *,  then  KRYPTON  shall  pay all
         reasonable  fees and  expenses  charged  by such  accounting  firm with
         respect to such audit.

15.3     GENTA  JAGO shall  treat all  financial  information  subject to review
         under  this   Article   15.  as   confidential   and   subject  to  the
         confidentiality obligations in Article 16. below.


- - - -----------------
*        Confidential  treatment  requested.  The  redacted  material  has  been
         separately filed with the Commission.


                                     - 20 -


<PAGE>

                                   ARTICLE 16
                                 CONFIDENTIALITY

16.1     Confidential  Information.  KRYPTON shall  maintain in  confidence  all
         Know-How  and  other  information  of GENTA  JAGO  (including  samples)
         disclosed  by GENTA  JAGO and  identified  as, or  acknowledged  to be,
         confidential  (the  "Confidential  Information"),  and  shall  not use,
         disclose or grant the use of the Confidential  Information  except on a
         need-  to-know basis to its  directors,  officers,  employees,  agents,
         consultants,  clinical investigators or other permitted contractors, to
         the extent such  disclosure is reasonably  necessary in connection with
         KRYPTON's activities as expressly authorized by this Agreement.  To the
         extent  that  disclosure  is  authorized  by this  Agreement,  prior to
         disclosure,  KRYPTON  hereto shall  obtain  agreement in writing of any
         such person to hold in confidence and not make use of the  Confidential
         Information  for  any  purpose  other  than  those  authorized  by this
         Agreement.  KRYPTON shall notify GENTA JAGO promptly upon the discovery
         of the unauthorized use or disclosure of the Confidential Information.

16.2     Permitted  Disclosures.  The obligations of confidentiality and non-use
         contained  in Section 16.1 above shall not apply to the extent that (a)
         KRYPTON (i) is required to disclose  information by law,  regulation or
         order of a governmental agency or a court of competent jurisdiction, or
         (ii) is required to disclose information to any governmental agency for
         purposes  of  obtaining  approval  to test  or  market  Final  Product,
         provided in each case that KRYPTON shall give GENTA JAGO written notice
         thereof and  sufficient  opportunity  to object to any disclosure or to
         request confidential  treatment thereof, or (b) KRYPTON can demonstrate
         that (i) the disclosed  information was public knowledge at the time of
         such  disclosure to it, or thereafter  became public  knowledge,  other
         than as a result of actions of KRYPTON,  its  directors,  officers  and
         employees in  violation  hereof;  (ii) the  disclosed  information  was
         rightfully  known by KRYPTON (as shown by its written records) prior to
         the  date of  disclosure  to it by  GENTA  JAGO  hereunder;  (iii)  the
         disclosed information was disclosed to KRYPTON on an unrestricted basis
         from a source  unrelated to any party to this Agreement and not under a
         duty of  confidentiality  to GENTA  JAGO or the  Licensor;  or (iv) the
         disclosed  information was  independently  developed by KRYPTON without
         the use of Confidential Information disclosed by GENTA JAGO.

16.3     Terms of this Agreement.  Except as otherwise  provided in Section 16.2
         above,  neither  Party shall  disclose any terms or  conditions of this
         Agreement  to any third  party  (other than the  Licensor)  without the
         prior consent of the other Party.  Notwithstanding the foregoing, prior
         to the  execution of this  Agreement,  the Parties shall agree upon the
         substance of information that can be used to describe the terms of this
         transaction, and the Parties may disclose such information only without
         the other Party's consent.  Notwithstanding the foregoing, prior to the
         execution of the Agreement,  the Parties shall agree upon the substance
         of information that can be used to describe the terms of this


                                     - 21 -


<PAGE>

         transaction,  and the Parties may disclose such information without the
         other Party's consent.

16.4     Term of  Confidentiality.  The  confidentiality  obligations under this
         Article 16 shall be effective during the term of this Agreement and for
         a period of ten (10) years after the expiration or earlier  termination
         hereof.

16.5     Injunctive  Remedies.  GENTA  JAGO  shall  be  entitled  to  injunctive
         remedies and relief  against  KRYPTON and its  Affiliates and any third
         parties  for any  breach or  threatened  breach of the  confidentiality
         obligations under this Article 16.

16.6     Damages.  In the  event of a breach of the  confidentiality  provisions
         under this  Article 16 by KRYPTON,  its  Affiliates  or its  directors,
         officers,  employees  or any other  person who were given access to the
         Confidential  Information  by KRYPTON,  GENTA JAGO shall be entitled to
         receive  from  KRYPTON any and all actual  costs and damages  caused by
         such breach.

16.7     Public  Announcements.  Neither Party shall make any press  releases or
         other public  announcements or disclosures  regarding the execution and
         the existence of this Agreement or any activities  conducted hereunder,
         including development results,  filings and registrations,  without the
         prior  written  consent  of the other  Party,  except  for such  public
         disclosure  as may be  necessary  in the opinion of any  party's  legal
         advisor  in  order  not to be in  violation  of or  default  under  any
         applicable law,  regulation or governmental  order, in such later event
         the party having an  obligation  to disclose  shall submit to the other
         party a draft of the  required  announcement  and shall  give the other
         party  the   opportunity   to   request   reasonable   amendments   and
         modifications of such required announcement.


                                   ARTICLE 17
                              TERM AND TERMINATION

17.1     Term and Expiration

         (a)   This Agreement  shall expire on a  country-by-country  basis upon
               the expiration of the Royalty Term.

         (b)   Upon the  expiration  of this  Agreement  in each  country of the
               Territory  pursuant to Section  17.1 (a) above and payment of all
               fees,  including  but not limited to the *, and all Royalties and
               other  payments by KRYPTON  due GENTA JAGO under this  Agreement,
               the License shall be deemed to be a perpetual,  fully paid-up and
               royalty-free license for such Final Product and each such country
               of the Territory.


- - - -----------------
*        Confidential  treatment  requested.  The  redacted  material  has  been
         separately filed with the Commission.


                                     - 22 -



<PAGE>

17.2     Termination Prior to Registration

         During  the  development,   test,  study  and  registration  phases  as
         specified  in  Articles  3.  through  8.  above,  and  until  the first
         successful registration approval of any Final Product by any Regulatory
         Authority,  this  Agreement may be  terminated  in accordance  with the
         provisions set forth in Sections 3.6, 4.6, 6.5, 7.5 and 8.6 above.

17.3     Termination for Cause

         During the entire term of this  Agreement  either  Party may  terminate
         this  Agreement  by giving to the other  Party  written  notice to that
         effect, if any of the following events occur:

          (a)  the other Party is in default or in breach of a term or provision
               hereof and such default or breach  continues  and is not remedied
               within thirty (30) days upon the other Party's written request to
               remedy such default or breach; or

          (b)  the   other   Party   shall   commit  a  breach  of  any  of  the
               confidentiality provisions of Article 16. above; or

          (c)  the other Party goes into liquidation,  voluntarily or otherwise,
               other than for the sole purpose of  reorganization,  or goes into
               bankruptcy or makes an  assignment  for the benefit of creditors,
               or in the  event  of a  receiver  being  appointed  of the  other
               Party's property or parts thereof.

17.4     Effect of Termination

          (a)  If KRYPTON  elects to so terminate  the  Agreement  under Section
               17.2  above  prior to  filing of the ANDA in the  United  States,
               then: (i) such termination  shall be without penalty or liability
               to KRYPTON;  (ii) all rights and  licenses  granted by GENTA JAGO
               hereunder  shall  revert  to  GENTA  JAGO  with  respect  to such
               country(ies)  so  terminated,  (iii)  KRYPTON be  relieved of any
               payments  that are  scheduled  or may be made in the future under
               this  Agreement,  (iv)  KRYPTON  shall  return to GENTA  JAGO all
               materials,  documentation,  information,  data and  other  things
               furnished  by  GENTA  JAGO in  connection  with  this  Agreement,
               including   without   limitation   any   and   all   Confidential
               Information,  together  with  all  copies  thereof  in  KRYPTON's
               possession or under its control, (v) all Registrations pertaining
               to the  marketing of the Product shall be  transferred  to and be
               owned by GENTA JAGO as to the affected  country(ies) and the data
               generated   under  this  Agreement   shall  be  provided  to  and
               thereafter   may  be  freely  used  by  GENTA  JAGO  to  develop,
               manufacture  and market the Product;  and (vi) GENTA JAGO and its
               Affiliates  shall  thereafter be entitled to exercise such rights
               as they may have under their own license agreements to make, have
               made, use or sell the Product in the  country(ies)  so terminated
               without compensation or obligation to KRYPTON; provided, that the
               foregoing  rights  under  (iv) and (vi) shall not create or imply
               any right or license under any patent rights,  copyright  rights,
               trademarks  or  trade  names,  know-how,  or  other  intellectual
               property rights owned or controlled by KRYPTON or its Affiliates.


                                     - 23 -


<PAGE>

          (b)  If KRYPTON elects to so terminate  this  Agreement  subsequent to
               the  filing  of the ANDA in the  United  States,  then:  (i) such
               termination  shall be without  penalty or  liability  to KRYPTON;
               (ii) all rights  and  licenses  granted  by GENTA JAGO  hereunder
               shall revert to GENTA JAGO with respect to such  country(ies)  so
               terminated;  (iii) KRYPTON shall be relieved of any payments that
               are scheduled or may be made in the future under this  Agreement,
               (iv)  KRYPTON   shall   return  to  GENTA  JAGO  all   materials,
               documentation,  information,  data and other things  furnished by
               GENTA JAGO in connection with this Agreement,  including  without
               limitation any and all  Confidential  Information,  together with
               all copies thereof in KRYPTON's  possession or under its control,
               (v) GENTA JAGO and its Affiliates shall thereafter be entitled to
               make,  have made, use or sell the Product in the  country(ies) so
               terminated (and, provided, that the foregoing shall not create or
               imply any right or  license  under any patent  rights,  copyright
               rights,   trademarks   or  trade   names,   know-how,   or  other
               intellectual  property  rights owned or  controlled by KRYPTON or
               its Affiliates); (vi) all Registrations pertaining to the Product
               shall be  transferred  to and be  owned  by GENTA  JAGO as to the
               affected  country(ies) and the data generated  hereunder shall be
               provided  to and  thereafter  may be freely used by GENTA JAGO to
               develop, manufacture and market the Product; and (vii) GENTA JAGO
               shall pay to KRYPTON the same royalty, which shall be paid in the
               same manner and subject to the same terms and conditions as would
               otherwise  have applied to KRYPTON,  as KRYPTON  would  otherwise
               have paid  (absent such  termination)  hereunder to GENTA JAGO on
               Net Sales (or on the Gross Margin of such Net Sales,  as the case
               may  be) of  the  Product  in  the  country(ies)  to  which  such
               termination  applies  (with such royalty to be paid by GENTA JAGO
               and its  Affiliates in each such country until  expiration of the
               Royalty  Term in  each  such  country),  until  such  time as the
               royalties  paid to KRYPTON  equal the  aggregate  amount that had
               been paid by  KRYPTON  to GENTA  JAGO  prior to such  termination
               under the Sections 3.5, 4.3, 5.2, 6.3,  7.3,8.3,  9.2 and 13., at
               which time the royalty rate then  prevailing  on Net Sales (or on
               the Gross  Margin of such Net  Sales,  as the case may be) in the
               United  States  shall be reduced by two  percent (2 %) (but shall
               not be reduced for sales outside the United States).

          (c)  Otherwise  the  termination  of this  Agreement  shall be without
               prejudice to any rights and  obligations  of either Party accrued
               prior  to  the  effective  date  of  termination.  KRYPTON  shall
               forthwith make all payments due and  outstanding to GENTA JAGO at
               the date of termination. Except as explicitly otherwise stated in
               this Agreement,  GENTA JAGO shall not be obligated to refund upon
               termination of this Agreement to KRYPTON any payments,  including
               without  limitation the *, made by KRYPTON to GENTA JAGO prior to
               such termination pursuant to the provisions of this Agreement.

         (d)   The termination of this Agreement  pursuant to Section 17.3 above
               by either Party shall not limit  remedies  which may be otherwise
               available in law or equity to either Party.


- - - -----------------
*        Confidential  treatment  requested.  The  redacted  material  has  been
         separately filed with the Commission.


                                     - 24 -


<PAGE>

17.5     Early Termination of the License Agreements

          (a)  In the event that the License  Agreements are terminated prior to
               the  expiration of the last to expire of the Patents  licensed to
               GENTA JAGO in the Territory,  then the License granted  hereunder
               to KRYPTON shall also  terminate  upon  KRYPTON's  receipt of the
               respective termination notice from the Licensor. KRYPTON may give
               written  notice to the Licensor of  KRYPTON's  desire to continue
               the License  granted under this Agreement  within sixty (60) days
               as of  KRYPTON's  receipt of the  Licensor's  notice  referred to
               above.

          (b)  In the event that  KRYPTON  timely  notifies  the Licensor of its
               desire to continue the License granted under this Agreement,  the
               Licensor shall have the right, at its sole  discretion,  to elect
               to assume in writing  within sixty (60) days upon the  Licensor's
               receipt  of  KRYPTON's  notice  any and all  rights of GENTA JAGO
               under this  Agreement  and to promptly cure all defaults of GENTA
               JAGO under this Agreement, if any.

          (c)  In the event that the  Licensor  does not timely  gives notice to
               KRYPTON and cures all of GENTA JAGO's defaults hereunder pursuant
               to Section  17.5(b) above,  then KRYPTON shall promptly assume in
               writing  any and all rights and  obligations  of GENTA JAGO under
               the License Agreements with the Licensor,  but with regard to the
               rights  encompassed by the License  granted  hereunder  only, and
               promptly  cure all  defaults  of GENTA  JAGO  under  the  License
               Agreements  with regard to the rights  encompassed by the License
               granted hereunder only, if any.

          (d)  Notwithstanding  anything  contained  in this  Section  17.5,  no
               action taken by the Licensor and/or KRYPTON to continue or not to
               continue the License  shall relieve GENTA JAGO from any liability
               for any  uncured  defaults  under this  Agreement  or the License
               Agreements,  and such action by the Licensor and/or KRYPTON shall
               be without prejudice to any other rights or remedies the Licensor
               and/or KRYPTON may have in law or equity.


                                   ARTICLE 18
                                   WARRANTIES

18.1 GENTA JAGO shall carry out and undertake the studies and tests specified in
     this  Agreement  in a careful  and  diligent  manner.  GENTA JAGO agrees to
     carefully   choose,   instruct  and  supervise  any  employees,   officers,
     Affiliates  or third  parties to be chosen by GENTA JAGO  pursuant  to this
     Agreement,  who are involved  with the tests and  studies.  Nothing in this
     Agreement shall be construed as a  representation  made, or warranty given,
     by GENTA  JAGO that any  development  performed  by or for GENTA JAGO under
     this Agreement will be successful in whole or in part, or that any product,
     including Final Product, which may be developed,  will be successful in the
     commercial marketplace.  Furthermore, GENTA JAGO makes no representation or
     warranty, express or implied, with respect to GEOMATRIX(R)Technology and/or
     Know-How,  including  without  limitation,  any  warranty of  completeness,
     accuracy, merchantability or fitness for a particular purpose thereof.


                                     - 25 -


<PAGE>

18.2     GENTA JAGO  represents  and warrants  that it has all rights  regarding
         Patents,  GEOMATRIX(R)Technology  and  Know-How  necessary to grant the
         License hereunder.  Notwithstanding the preceding sentence,  GENTA JAGO
         does not  assume  any  responsibility  and makes no  warranty  that the
         performance  of this  Agreement  and any product  developed  hereunder,
         including Prototype  Formulation(s) and Final Products, do not infringe
         any third party's patents,  patent  applications or other  intellectual
         property rights.  Notwithstanding  the preceding  sentence,  GENTA JAGO
         represents  and  warrants  that,  as of  the  effective  date  of  this
         Agreement,  it  is  not  aware  and  has  not  knowledge  of  any  such
         infringement of any third party rights. If, however,  during the course
         of  this   Agreement   either  Party   discovers   that  the  Prototype
         Formulation(s)  and/or the Final Products  infringe or may infringe any
         third party's  intellectual  property rights,  it shall promptly inform
         the other  Party  thereof  and the  Parties  shall meet to discuss  the
         course of action to be taken with regard thereto.

18.3     Nothing in this Agreement shall be construed as a representation  made,
         or  warranty  given by GENTA JAGO that any patent will issue based upon
         any pending patent  application  encompassed  by the term Patents,  and
         that any patent  encompassed  by the term Patents  which issues will be
         valid or enforceable.

18.4     GENTA JAGO  assumes no  liability  or  responsibility  for any  damages
         caused to KRYPTON, third parties, animals and/or the environment by the
         manufacturing,  marketing or use of the Prototype Formulations or Final
         Products  or the active  ingredient  contained  therein,  except to the
         extent that any of the above are  attributable to the gross  negligence
         or willful  misconduct  of GENTA  JAGO in  performing  its  obligations
         hereunder.

18.5     Subject  to the  specific  representations  and  warranties  given  and
         specific disclaimers of representations and warranties included in this
         Article 18, and further  subject to anything to the contrary  contained
         in  this  Agreement,  either  Party  shall,  as to  third  parties,  be
         indemnified  and held  harmless by the other Party from and against any
         and all losses,  liabilities and damages arising from any claim, action
         or  other  proceeding  by any  third  party  relating  to any  acts  or
         omissions of the other Party,  its  directors,  officers,  employees or
         agents,  or the gross  negligence  or willful  misconduct of such other
         Party, its directors,  officers,  employees or agents in performing any
         of its obligations under this Agreement.

18.6     Any  liability,  warranty  and  undertaking  contained  herein shall be
         limited to the payment by either Party for direct  damages to the other
         Party  and in any  event,  neither  Party  shall be liable to the other
         Party for any  special,  indirect,  punitive or  consequential  damages
         and/or loss of profits or anticipated profits, respectively.

18.7     KRYPTON shall, at its own expense,  purchase from an insurance  company
         of its  choice  and  shall  maintain  during  the  entire  term of this
         Agreement an appropriate and customary policy of general  liability and
         product liability  insurance  covering its  responsibilities  regarding
         Prototype  Formulation(s) and Final Products  developed,  manufactured,
         marketed


                                     - 26 -


<PAGE>

         and sold  under this  Agreement  and the  Active  Ingredient  contained
         therein and the use thereof. Upon request,  KRYPTON shall provide GENTA
         JAGO  with  evidence  that  such   insurances   are  existing  and  are
         maintained.


                                   ARTICLE 19
                            MISCELLANEOUS PROVISIONS

19.1     Entire  Agreement:  The terms,  covenants,  conditions  and  provisions
         contained  in this  Agreement,  including  its  Appendices  referred to
         herein,  constitute the total and complete agreement of the Parties and
         supersede all prior  understandings  and  agreements  hereto made,  and
         there  are  no  other  representations,  understandings  or  agreements
         relating to the subject matter hereof. The provisions of this Agreement
         may not be waived,  altered,  amended or  repealed  in whole or in part
         except by the written consent of both of the Parties to this Agreement.

19.2     Assignment:   This   Agreement   may  not  be  assigned  or   otherwise
         transferred, nor, except as expressly provided hereunder, may any right
         or  obligation  hereunder be assigned or  transferred  by either Party,
         other than to an  Affiliate  of such Party,  without the consent of the
         other Party;  provided  however,  that either  Party may,  without such
         consent, assign this Agreement and its rights and obligations hereunder
         in connection with the transfer or sale of all or substantially  all of
         its  business,  or in the  event  of its  merger, consolidation, change
         in control or similar transaction; and provided further that GENTA JAGO
         may without the consent of KRYPTON assign any and all of its rights and
         obligations  hereunder to the Licensor  and/or any of the  Licensor's  
         Affiliates.  Any permitted assignee shall assume all obligations of its
         assignor  under this Agreement  or under  the  respective  rights  or  
         obligations actually assigned.

19.3     Successors: This Agreement and all rights hereunder shall ensure to the
         benefit of all successors and assigns of both Parties.

19.4     Notices:  Any  consent,  notice or report  required or  permitted to be
         given or made under this  Agreement  by one Party to the other shall be
         in English and in writing,  delivered  personally or by courier service
         or by facsimile  (promptly  confirmed  by personal  delivery or courier
         service)  addressed to the other Party at its address  indicated below,
         or to such other  address as shall have been notified in writing to the
         sending Party by the receiving  party from time to time, and shall take
         effect upon receipt by the addressee.

         IF TO KRYPTON:                       KRYPTON LTD.
                                              East Wing, Second Level
                                              Hadfield House
                                              Library Street
                                              Gibraltar
                                              attn.: PRESIDENT


                                     - 27 -


<PAGE>

         WITH COPIES TO:                      SKYEPHARMA PLC
                                              105 Piccadilly
                                              London W1V 9FN, England
                                              attn.: COMPANY SECRETARY

         AND:                                 RINDERKNECHT GLAUS & STADELHOFER
                                              Beethovenstrasse 7
                                              P.O. Box 4451
                                              CH-8022 Zurich, Switzerland
                                              attn.: DR. THOMAS M. RINDERKNECHT

         IF TO GENTA JAGO:                    GENTA JAGO Technologies B.V.
                                              Swiss Branch
                                              Grundstrasse 12
                                              CH-6343 Rotkreuz, Switzerland
                                              attn.: MANAGEMENT COMMITTEE

         WITH COPIES TO:                      RINDERKNECHT GLAUS & STADELHOFER
                                              Beethovenstrasse 7
                                              8002 Zurich, Switzerland
                                              attn.: DR. THOMAS M. RINDERKNECHT

         AND:                                 PILLSBURY MADISON & SUTRO LLP
                                              235 Montgomery Street, 15th Floor
                                              San Francisco, CA 94104, U.S.A.
                                              attn.: THOMAS E. SPARKS, JR., ESQ.


19.5     Independent Contractors:  It is expressly agreed that the Parties shall
         be  independent  contractors  and that  the  relationship  between  the
         Parties shall not  constitute a  partnership,  joint venture or agency.
         Neither  Party  shall  have  the  authority  to  make  any  statements,
         representations  or  commitments  of any kind,  or to take any  action,
         which shall be binding on the other  Party,  without the prior  written
         consent of the other Party to do so.

19.6     Severability: Each Party hereby acknowledges that it does not intend to
         violate  any  public   policy,   statutory  or  common   laws,   rules,
         regulations,  treaty or decision of any government  agency or executive
         body thereof of any country or community or  association  of countries.
         Should one or more  provisions of this Agreement be or become  invalid,
         the  Parties  hereto  shall  substitute,   by  mutual  consent,   valid
         provisions for such invalid  provisions which valid provisions in their
         economic effect are sufficiently similar to the invalid provisions that
         it can be  reasonably  assumed that the parties would have entered into
         this Agreement with such provisions.  In case such provisions cannot be
         agreed  upon,  the  invalidity  of one or  several  provisions  of this
         Agreement shall not affect the validity of this Agreement as


                                     - 28 -


<PAGE>

         a whole, unless the invalid provisions are of such essential importance
         to this Agreement that it is to be reasonably  assumed that the Parties
         would  not  have  entered  into  this  Agreement  without  the  invalid
         provisions.

19.7     Force Majeure: Neither Party hereto shall be held liable or responsible
         to the other  Party nor be deemed to have  defaulted  under or breached
         this  Agreement for failure or delay in  fulfilling  or performing  any
         term of this  Agreement  when  such  failure  or delay is  caused by or
         results from causes beyond the reasonable control of the affected Party
         including but not limited to fire, floods,  embargoes, war, acts of war
         (whether  war  be  declared  or  not),   insurrections,   riots,  civil
         commotions,  strikes, lockouts or other labor disturbances, acts of God
         or acts, omissions or delays in acting by any governmental authority or
         the other Party hereto.

19.8     Interest:  In the event any amount due and payable under this Agreement
         is not paid by the due date, then the Party owing such amount shall pay
         to the creditor,  without being requested by the other Party,  interest
         on the  total  outstanding  amount  at the  rate  equal  to the  London
         Interbank  Offered  Rate  ("LIBOR"),  as  published  in the Wall Street
         Journal (Europe) on the date that such payment falls due,  increased by
         three percent (3%), in United States  Dollars and adjusted on the first
         day of every calendar quarter.

19.9     Headings:  The titles and headings used in this  Agreement are intended
         for  convenience  only and shall not in any way affect  the  meaning or
         construction of any provision of this Agreement.

19.10    Waiver: The waiver by either Party hereto of any right hereunder or the
         failure  to  perform  or of a breach  by the other  Party  shall not be
         deemed a waiver of any other right  hereunder or of any other breach or
         failure by said other Party whether of a similar nature or otherwise.


                                     - 29 -


<PAGE>

19.11    Counterparts:   This   Agreement   may  be  executed  in  two  or  more
         counterparts,  each of which  shall be deemed an  original,  but all of
         which together shall constitute one and the same instrument.


                                   ARTICLE 20
                       DISPUTE RESOLUTION AND ARBITRATION

20.1     In the event of any dispute arising between the Parties concerning this
         Agreement,  GENTA JAGO and  KRYPTON  agree that in the first place they
         shall meet for good faith  discussions  in an attempt to  negotiate  an
         amicable solution.

20.2     Any dispute  arising  between the Parties out of or in connection  with
         this Agreement,  or the interpretation,  breach or enforcement thereof,
         which cannot be amicably resolved pursuant to Section 20.1 above within
         two (2) months as from the first  appearance of such dispute,  shall be
         finally resolved by binding arbitration.  Whenever a Party shall decide
         to institute arbitration  proceedings,  it shall give written notice to
         that  effect to all of the other  Parties.  Any  arbitration  hereunder
         shall be conducted under the Rules of  Conciliation  and Arbitration of
         the  International  Chamber of Commerce.  Any such arbitration shall be
         conducted in the English  language by a panel of three (3)  arbitrators
         appointed in  accordance  with such rules,  and shall be held in PARIS,
         FRANCE.  The  arbitrators  shall have the  authority to grant  specific
         performance, and to allocate among the parties the costs of arbitration
         in such equitable manner as they determine.  Judgment upon the award so
         rendered may be entered in any court having jurisdiction or application
         may be made to such  court  for  judicial  acceptance  of any  award so
         rendered  and an order of  enforcement,  as the case may be.  Whether a
         claim,  dispute  or other  matter  in  question  would be barred by the
         applicable  statute  of  limitations,  which  also  shall  apply to any
         arbitration  under  this  section,   shall  be  determined  by  binding
         arbitration pursuant to this section.

20.3     Notwithstanding anything contained in this Article 20, either Party may
         seek  preliminary  or  injunctive  measures or relief in any  competent
         court having jurisdiction.


                                   ARTICLE 21
                                 APPLICABLE LAW

         The Parties hereto agree that this Agreement, all transactions executed
         hereunder  and all  relationships  between  the  Parties in  connection
         therewith  shall be  construed  under  and be  governed  by the laws of
         Switzerland  without  reference  to  the  conflict  of  law  principals
         thereof,  and shall not be governed by the United Nations Convention on
         Contracts for the International Sale of Goods.


IN WITNESS WHEREOF,  the Parties have executed this Agreement as of the 31st day
of October 1996.


GENTA JAGO TECHNOLOGIES B.V.



/s/ Thomas H. Adams                               /s/ Jacques Gonella
- - - -------------------                               -------------------
by:  Dr. Thomas H. Adams                          by:  Dr. Jacques Gonella
its:  Managing Director                           its:  Managing Director


KRYPTON LTD.



/s/
- - - -------------------
by:
its:

The Licensor, Jagotec AG, hereby agrees to be bound by the obligations contained
in Section 17.5 of this Agreement.


JAGOTEC AG



/s/ Jacques Gonella
- - - -------------------
by:                                                          by:
its:                                                         its:


                                      -30-


                                                                   EXHIBIT 10.93
                        CONFIDENTIAL TREATMENT REQUESTED

                       DEVELOPMENT & SUB-LICENSE AGREEMENT
                                       *



This DEVELOPMENT AND SUB-LICENSE  AGREEMENT (this "AGREEMENT"),  effective from
the date last written hereunder, is entered into between GENTA JAGO TECHNOLOGIES
B.V.,  a Dutch  company,  having a place of  business at  Grundstrasse  12, 6343
Rotkreuz,  Switzerland  (hereinafter  referred to as "GENTA JAGO"),  and KRYPTON
LTD.,  a  Gibraltar  limited  company,  having a place of business at East Wing,
Second Level, Hadfield House, Library Street, Gibraltar (hereinafter referred to
as "KRYPTON")


                                   WITNESSTH:


WHEREAS,  GENTA JAGO has  expertise  in the  development  of  controlled-release
formulations for pharmaceutical agents and in particular has exclusive rights to
proprietary know-how and technology generally known and commercialized under the
registered  trademark  GEOMATRIX(R) and as described and embodied in the Patents
(as defined below) with respect to a Bioequivalent Product (as defined below) to
*; and

WHEREAS,  KRYPTON is a company  which  markets  pharmaceutical  products  and is
interested in developing Prototype Formulations (as defined below) for the Final
Product (as defined below) and in seeking the approval of Regulatory Authorities
(as defined below) to  manufacture,  or have  manufactured  and market the Final
Product in the Territory (as defined below); and

WHEREAS, GENTA JAGO is prepared to conduct or have conducted certain studies and
the development of the Prototype Formulations and Final Product; and

WHEREAS,  GENTA  JAGO is  prepared  to grant to  KRYPTON  under  the  terms  and
conditions  set forth  hereafter a sub-license  under the Patents,  GEOMATRIX(R)
Technology  and Know-How (as defined below) to conduct  studies  relating to the
Prototype Formulations and, upon receipt of approval by the Regulatory Authority
(as defined  below),  to manufacture or have  manufactured,  market and sell the
Final Product in the Territory.


NOW, THEREFORE,  for and in consideration of the premises,  mutual covenants and
agreements  contained  herein and  intending  to be legally  bound  hereby,  the
Parties hereby agree as follows:


- - - ---------------
*  Confidential treatment requested.  The redacted material has been separately
   filed with the Commission.


<PAGE>

                                    ARTICLE 1
                                   DEFINITIONS

         For  purposes of this  Agreement,  the terms  defined in this Article 1
         shall have the following meanings:

1.1      "Active Ingredient" shall mean *.

1.2      "Affiliate"  shall mean,  with  respect to either  Party  hereto,  any
         corporation,  partnership or other entity controlled by, controlling or
         under common control with, such Party,  with "control"  meaning direct
         or indirect  beneficial  ownership of more than 50% of the voting power
         of,  or more  than 50% of  ownership  interest  in,  such  corporation,
         partnership or other entity.

1.3      "ANDA" shall mean any Abbreviated New Drug Application  filed with the
         FDA, by or for KRYPTON  requesting  authorization to manufacture,  have
         manufactured or sell the Final Product in the United States of America,
         or any equivalent  application  to a Regulatory  Authority in any other
         country of the Territory.

1.4      "Bioequivalent   Product"  shall  mean  a  drug  product  meeting  the
         bioequivalence  requirements  imposed by the FDA for in vitro and/or in
         vivo  testing as set forth in the  regulations  of the FDA at 21 C.F.R.
         ss.320 ("AB Equivalent  Rating"),  as they may be amended from time to
         time.

1.5      "Competitive  Product"  shall  mean any  product  other than the Final
         Product  or the  Originator  which is a  Bioequivalent  Product  of the
         Originator   and  is  marketed   and  sold  in  the   Territory   on  a
         country-to-country basis.

1.6      "FDA" shall mean the U.S. Federal Food and Drug Administration and any
         successor agency thereof.

1.7      "Final  Product"  shall  mean the  pharmaceutical  orally-administered
         controlled-release  formulation(s)  containing  the Active  Ingredient,
         presented as a compressed tablet developed  pursuant to this Agreement,
         based on the GEOMATRIX(R)  Technology and being a Bioequivalent Product
         of the  Originator,  of a  Competitive  Product or of any other product
         containing the Active Ingredient.

1.8      "GEOMATRIX(R)  Technology" shall mean the oral controlled-release drug
         delivery and related technology  licensed to GENTA JAGO by the Licensor
         which  utilizes  a  hydrophilic  drug-containing  matrix  tablet  which
         controls the release of the drug through the use of one or more barrier
         layers.

1.9      "Gross  Margin"  shall mean,  with respect to any Final  Product,  Net
         Sales less only the direct cost of such Final  Product  sold,  i.e. (a)
         raw material  cost,  (b) direct  labor cost,  (c)  reasonably  directly
         allocatable  overhead  cost  (e.g.  energy  cost),  (d)  packaging  and
         labeling  cost,  and (e)  other  costs  directly  associated  with  the
         manufacturing of such Final Product (e.g.  quality  control).  No other
         deductions  from Net Sales are permissible for the calculation of Gross
         Margin, including without limitation, sales, marketing and distribution


- - - ---------------
*  Confidential treatment requested.  The redacted material has been separately
   filed with the Commission.


                                      -2-


<PAGE>

         costs.  Alternatively,  in the event  that  KRYPTON  sub-contracts  the
         manufacturing  of any Final  Product  to a third  party,  then  "Gross
         Margin"  with respect to such Final  Product  shall mean Net Sales less
         only the manufacturing  costs as invoiced by such  manufacturing  third
         party sub-contractor and actually paid by KRYPTON.

1.10     "Know-How" shall mean all information and data, which are not generally
         known  including,  but not  limited  to,  patent  claims  and  related
         information  not yet  disclosed to the public,  formulae,  procedures,
         protocols,  techniques  and results of  experimentation  and  testing,
         which  (a)  relate  to  the   GEOMATRIX(R)Technology,   any  Prototype
         Formulation  or any Final  Product,  or (b) are necessary or useful to
         develop, make or use any Prototype  Formulation,  or (c) are necessary
         or useful to develop, seek regulatory approval,  make, use or sell any
         Final Product,  all to the extent presently or during the term of this
         Agreement  licensed  or  otherwise   available  to  and  at  the  free
         disposition of GENTA JAGO.

1.11     "License Agreements" shall mean the license agreements entered into by
         and  between  GENTA JAGO and the  Licensor,  under  which the  Licensor
         granted  GENTA JAGO the rights in the  Patents,  the  Know-How  and the
         GEOMATRIX(R)   Technology,   which  are  the  subject   matter  of  the
         sub-license referred to in Article 11. below.

1.12     "Licensor"  shall mean  Jagotec  AG, a Swiss  corporation,  having its
         place of business at Seestrasse 91, CH-6052 Hergiswil, Switzerland.

1.13     "Net  Sales"  shall  mean,  with  respect  to any Final  Product,  the
         invoiced  sales price of such Final  Product in finished  package form
         invoiced by KRYPTON and/or its Affiliates to any independent  customer
         other  than  KRYPTON's  Affiliates,  less  (a)  credits,   allowances,
         discounts  and rebates to, and  chargebacks  from the account of, such
         independent  customers for spoiled,  damaged,  out-dated,  rejected or
         returned  Final  Product;  (b)  actual  freight  and  insurance  costs
         incurred and paid by KRYPTON  and/or its  Affiliates  in  transporting
         such  Final  Product in final form to such  customers;  (c)  customary
         cash, quantity and trade discounts and other price reduction programs;
         (d) sales, use, value- added and other direct taxes (but excluding any
         income  tax)  actually   incurred  and  paid  by  KRYPTON  and/or  its
         Affiliates;  and (e) customs duties, surcharges and other governmental
         charges  incurred by KRYPTON and/or its Affiliates in connection  with
         the exportation or importation of such Final Product in final form.

1.14     "Originator" shall mean * actually marketed in the United States  by *
         or any other pharmaceutical products containing the Active Ingredient 
         and being marketed in the Territory

1.15     "Patents" shall mean all patents and patent applications heretofore or
         hereafter  filed or having  presently  or in the future legal force in
         any country of the  Territory,  licensed by the Licensor to GENTA JAGO
         which claim the  GEOMATRIX(R)Technology  or the process to manufacture
         Prototype  Formulations and/or Final Product by use of, or the use of,
         the  GEOMATRIX(R)Technology,  including but not limited to the patents
         and patent applications listed in APPENDIX A hereto, together with all
         patents  that in the  future  issue  therefrom  in any  country of the
         Territory,   including   utility,   model  and  design   patents   and
         certificates  of  invention,   and  all  divisionals,   continuations,
         continuations-in-part, reissues,


- - - ---------------
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         renewals, extensions, substitutions,  confirmations or additions to any
         such patents and patent  applications,  all to the extent  presently or
         during the term of this  Agreement  licensed or otherwise  available to
         and at the free disposition of GENTA JAGO.

1.16     "Prototype  Formulations"  shall mean the oral delivery system for the
         Active Ingredient based on the GEOMATRIX(R)  Technology that reasonably
         meet the Specifications.

1.17     "Regulatory  Authority" shall mean the FDA or any equivalent competent
         regulatory authority in any other countries of the Territory.

1.18     "Specifications"  shall mean the Products  specifications set forth in
         APPENDIX B attached hereto.

1.19     "Territory" shall mean *.


                                    ARTICLE 2
                              DEVELOPMENT PREAMBLE

2.1      At the date of execution of this  Agreement,  GENTA JAGO has  performed
         certain preliminary  development efforts for the Prototype Formulation.
         This development is hereby incorporated in this Agreement.

2.2      GENTA JAGO  undertakes  to conduct the  development  of the  Prototype
         Formulation(s)  and the Final Product in an efficient and professional
         manner.  KRYPTON  shall  actively  support  GENTA JAGO  regarding  the
         development  and  studies  to be  executed  by  GENTA  JAGO  as may be
         reasonably  required by GENTA JAGO from time to time.  In  particular,
         KRYPTON shall provide information  reasonably  requested by GENTA JAGO
         relating  to the  Originator  and to the  Active  Ingredient  for  the
         purposes of carrying out this development,  including, but not limited
         to,  physico-chemical  characteristics,   safe-handling  instructions,
         in-vitro  analytical methods,  degradation  products and standards and
         analytical methods therefore.  Additionally,  KRYPTON shall provide to
         GENTA JAGO  requested  data and adequate  quantities of samples of the
         Originator  for the  purposes of  conducting  the  Feasibility  Study.
         KRYPTON,  however,  shall  not  be  required  to  provide  information
         regarding the  Originator  which is not in the public  domain,  unless
         KRYPTON is duly  authorized  to possess and disclose  such  non-public
         information.  Any costs and expenses incurred by KRYPTON in connection
         with such support shall be borne by KRYPTON.

2.3      Due to the nature and complexity of the development and the respective
         studies as set forth in this  Agreement,  the  Parties  recognize  and
         acknowledge  that  problems and delays may occur which render the time
         limits  set  forth in this  Agreement  and/or  the  time-frame  of the
         development  as  mutually  agreed  upon  difficult  or  impossible  to
         accomplish.  The Parties agree that they shall immediately inform each
         other in writing in the event that significant  problems or delays are
         encountered  or  envisaged  during the course of the  development  and
         shall discuss such problems and delays in order to agree on a mutually
         acceptable  revision of the time limits set in this  Agreement  and/or
         the time-frame as previously mutually agreed upon.


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2.4      Together  with the notice  from  KRYPTON  referred  to in Section  3.1
         below, KRYPTON, or its designated supplier, shall supply GENTA JAGO on
         a free-of-charge basis with sufficient quantities of Active Ingredient
         to perform the development program intended  hereunder.  Such supplies
         shall be  accompanied  with  respective  certificates  of analysis and
         conformity.  GENTA JAGO shall use all Active Ingredient supplied to it
         by KRYPTON  hereunder  solely and  exclusively in connection  with the
         development program as mutually agreed upon.

         Alternatively,  KRYPTON may request that GENTA JAGO obtain a supply of
         Active  Ingredient  from  a  reputable  source  having  the  necessary
         regulatory  clearances in place to allow future marketing of the Final
         Product in the Territory.  Should KRYPTON so require and GENTA JAGO so
         agree,  the chosen  supplier's  facilities,  processes and  procedures
         shall be audited by GENTA JAGO, or a third party  mutually  acceptable
         to KRYPTON  and GENTA  JAGO,  in order to ensure  compliance  with the
         appropriate  regulatory  requirements.  KRYPTON  shall * of GENTA JAGO
         incurred in carrying out, or having carried out such audit. GENTA JAGO
         shall  provide  KRYPTON with a copy of the audit report  within thirty
         (30) days as of the completion of the audit.

2.5      In the event that the Parties  mutually  agree that GENTA JAGO becomes
         responsible for the supply of Active Ingredient, KRYPTON shall * GENTA
         JAGO for any and all shipping and transportation costs, import duties,
         taxes or other costs  incurred by GENTA JAGO in  connection  with such
         supply of Active  Ingredient  upon receipt of GENTA JAGO's  respective
         invoices.


                                    ARTICLE 3
                                FEASIBILITY STUDY

3.1      KRYPTON shall initiate the development program contemplated  hereunder
         as soon as  technically  feasible and within the time limits set forth
         in the mutually accepted  development program by giving written notice
         to that  effect to GENTA  JAGO.  Not later than two (2)  months  after
         receipt of (i) such notice,  (ii) a * and (iii) the Active Ingredient,
         GENTA JAGO shall commence the feasibility  study under this Article 3.
         and shall use its  commercially  reasonable  efforts  to  develop  the
         Prototype  Formulations.  Up to three (3) of the  developed  Prototype
         Formulations  shall be chosen by mutual  agreement  by the Parties for
         further study and development.

         The Parties  recognize  that the  Specifications  mutually  agreed uopn
         eventually  will need to be updated with more  detailed  specifications
         for the Final  Product  in the course of the  development,  and in such
         case the Parties agree to mutually agree on any reasonable amendment of
         the Specifications.

3.2      The development of the Prototype  Formulations shall include,  but not
         necessarily be limited to, the following elements:

         (a)   Development and establishment of analytical  methodology specific
               to the


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              characterization of such Prototype Formulations;

         (b)   Qualitative and quantitative  characterization  of such Prototype
               Formulation;

         (c)   In-vitro  release  profile  characterization  of  such  Prototype
               Formulations and the Originator by using appropriate  methodology
               mutually agreed to by the Parties;

         (d)   Elaboration  of pre-scale up  procedures  and the  production  of
               samples (2000 units +/- 10%) of the chosen Prototype Formulations
               for   evaluation   by   KRYPTON,   and  for  use  in  the   Pilot
               Pharmacokinetic Study under Article 4. below; and

         (e)   Accelerated  stability  testing  of  Prototype   Formulations  to
               provide *.

3.3      GENTA JAGO will ensure the use of generally  accepted standards of Good
         Laboratory and  Manufacturing  Practices  during the performance of the
         feasibility study.

3.4      Within thirty (30) days of the  completion of the  feasibility  study,
         GENTA JAGO shall supply KRYPTON with a report (the "Feasibility  Study
         Report")  reasonably   detailing  the  development  of  the  Prototype
         Formulation(s) and containing one (1) month accelerated stability data
         only. A supplement to the  Feasibility  Study Report  containing the *
         accelerated stability data will be forwarded sixty (60) days later.

3.5      Prior to the  commencement of the  Feasibility  Study GENTA JAGO shall
         submit to KRYPTON * for the entire  Feasibility Study which * shall be
         reasonably acceptable to KRYPTON. KRYPTON shall reimburse GENTA JAGO's
         *,  reasonably  incurred by GENTA JAGO during the  Feasibility  Study,
         including  but not  limited to costs,  expenses  and fees paid to Jago
         Pharma and third party  contractors,  by the payment of non-refundable
         development  fees. Such development costs shall be refunded by KRYPTON
         to GENTA JAGO * upon  receipt by KRYPTON of an invoice from GENTA JAGO
         or Jago Pharma AG.

3.6      In the event that the results of the  feasibility  study  conclusively
         demonstrate  that no Prototype  Formulation  has been developed  which
         reasonably  meets  the   Specifications   to  the  good  faith  mutual
         satisfaction  of KRYPTON  and GENTA JAGO,  the Parties  agree to enter
         into good faith  negotiations  in order to  determine  an  appropriate
         course of action,  including, but not limited to, that the Parties may
         mutually  agree  to  abandon  the   development   program  under  this
         Agreement, and terminate this Agreement with immediate effect.


                                   ARTICLE 4
                          PILOT PHARMACOKINETIC STUDY

4.1      Included  as part of the  feasibility  study  described  in Article 3.
         above,  KRYPTON  shall,  at its own  responsibility  and its own cost,
         sub-contract  under  confidentiality  commitments  comparable  in  all
         material respects to the provisions set forth herein between GENTA


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         JAGO  and  KRYPTON  to  an   external   qualified   clinical   research
         organization  (hereinafter  "CRO") to perform a pilot  pharmacokinetic
         study pursuant to this Article 4.

4.2      The  Pilot   Pharmacokinetic   Study  shall  consist  of  commercially
         reasonable and appropriately  designed * of the Prototype Formulations
         and the Originator.  KRYPTON shall reasonably  consult with GENTA JAGO
         in the design of the Pilot  Pharmacokinetic Study and shall review the
         final  protocol  with  GENTA JAGO  prior to  initiating  work with the
         selected  sub-contractor.  The Pilot  Pharmacokinetic  Study  shall be
         conducted in  accordance  with  generally  accepted  standards of Good
         Clinical   Practice  and  in   compliance   with   Ethical   Committee
         requirements or equivalent requirements, where applicable.

4.3      Prior to the commencement of the Pilot Pharmacokinetic Study GENTA JAGO
         shall submit to KRYPTON * for the entire  Pilot  Pharmacokinetic  Study
         which * shall  be  reasonably  acceptable  to  KRYPTON.  KRYPTON  shall
         reimburse GENTA JAGO's *, reasonably  incurred by GENTA JAGO during the
         Pilot  Pharmacokinetic  Study,  including  but not  limited  to  costs,
         expenses and fees paid to Jago Pharma and third party  contractors,  by
         the payment of non-refundable development fees.  Such development costs
         shall be refunded by KRYPTON to GENTA JAGO * upon receipt by KRYPTON of
         an invoice from GENTA JAGO or Jago Pharma AG.

4.4      KRYPTON shall provide GENTA JAGO with a copy of the report (hereinafter
         referred to as the "Pilot  Pharmacokinetic  Study Report")  reasonably
         detailing the results of the Pilot Pharmacokinetic Study within six (6)
         weeks as of the study's  completion and presentation of the preliminary
         data for GENTA JAGO's file.

4.5      GENTA JAGO shall have no liability or  responsibility  whatsoever  with
         respect  to  such  Pilot  Pharmacokinetic   Study,   including  without
         limitation  the  availability  or quality of the  results and data from
         such Pilot  Pharmacokinetic  Study to be carried out by KRYPTON and the
         CRO.

4.6      In the  event  that the  results  of the  Pilot  Pharmacokinetic  Study
         conclusively  demonstrate that it is not fully demonstrated to the good
         faith mutual  satisfaction  of KRYPTON and GENTA JAGO that at least one
         of  the  Prototype   Formulations   reasonably   meet  the   respective
         Specifications,   the  Parties  may  mutually   agree  to  abandon  the
         development  program and terminate  this Agreement with respect to such
         Prototype Formulation.


                                    ARTICLE 5
                             PRE-SCALE-UP ACTIVITIES

5.1      Upon completion of the Pilot Pharmacokinetic Study, KRYPTON may, at its
         option,  request  and charge  GENTA JAGO to carry out the  pre-scale-up
         activities as described in this Article 5. (hereinafter  referred to as
         the ,,Pre-Scale-Up Activities"). KRYPTON shall, within thirty (30) days
         as from the date of the Pilot  Pharmacokinetic  Study Report  notify in
         writing GENTA JAGO of its decision  whether to proceed with and to have
         GENTA


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         JAGO perform the Pre-Scale-Up Activities.

5.2      Prior to the  commencement of the  Pre-Scale-Up  Activities GENTA JAGO
         shall submit to KRYPTON * for the entire Pre-Scale-Up Activities which
         * shall be reasonably  acceptable to KRYPTON.  KRYPTON shall reimburse
         GENTA JAGO's *, reasonably incurred by GENTA JAGO during the Pre-Scale
         Up  activity,  including  but not limited to costs,  expenses and fees
         paid to Jago  Pharma and third  party  contractors,  by the payment of
         non-refundable  development  fees.  Such pre  scale up costs  shall be
         refunded  by  KRYPTON  to GENTA  JAGO * upon  receipt by KRYPTON of an
         invoice from GENTA JAGO or Jago Pharma AG.

5.3      The  Pre-Scale-Up  Activities  to be  performed  by GENTA  JAGO  shall
         comprise all reasonable  activities  necessary to allow the technology
         transfer to, and  subsequent  scale-up  at, the  mutually  established
         manufacturing site, including,  but not limited to, final optimization
         of  the  Prototype  Formulation  (where  necessary),  development  and
         validation  of the scale-up  manufacturing  procedure  and  analytical
         validation. Such Pre-Scale-Up Activities shall be completed within the
         time period  mutually agreed upon by the Parties in Appendix D hereto,
         calculated  as from the date of  receipt  of the  KRYPTON's  notice by
         GENTA JAGO pursuant to Section 5.1 above.

5.4      In the event  that  additional  clinical  testing,  including  without
         limitation, confirming pharmacokinetic studies, is reasonably required
         or deemed necessary beyond the program  envisaged in this Agreement in
         order to satisfy the FDA  requirements  for an NDA or ANDA approval of
         the  Product,  KRYPTON  and GENTA  JAGO  shall meet to discuss in good
         faith the  appropriate  course of action to be followed and agree upon
         any such  additional  testing to be performed,  provided that any such
         additional testing shall in any event be funded solely by KRYPTON.

5.5      Not later than upon the initiation of the Pre-Scale-Up Activities,  the
         Parties shall establish and mutually agree upon a  manufacturing  site,
         where the Bio-Batches referred to in Section 7.2 below required for the
         pivotal  clinical  studies will be produced and where the Final Product
         shall be manufactured  for commercial use after FDA approval(s) for the
         Final Product have been granted.


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                                    ARTICLE 6
                        PRE-PIVOTAL PHARMACOKINETIC STUDY

6.1      Included as part of the Pre-Scale-Up Activities,  KRYPTON shall at its
         own  responsibility and its own cost, perform or have performed with a
         CRO selected by KRYPTON, a pre-pivotal  pharmacokinetic study pursuant
         to this Article 6. (hereinafter  referred to as "Pre-Pivotal  Study").
         Such  Pre-Pivotal  Study shall consist of *, to select the best of the
         Prototype  Formulations  for  each  dose  strength  to be  used in the
         further development under this Agreement.

6.2      The  Pre-Pivotal  Study  shall be  performed  in the  United  States of
         America.  KRYPTON shall  consult,  review and mutually agree with GENTA
         JAGO on the design and final protocol of such  Pre-Pivotal  Study prior
         to initiating work with the selected CRO.

6.3      KRYPTON  shall  reimburse  to GENTA JAGO *  incurred  by GENTA JAGO to
         cover its workload for preparation and consulting of such  Pre-Pivotal
         Study.  Such development costs shall be paid by KRYPTON * upon receipt
         by KRYPTON of an invoice from GENTA JAGO or Jago Pharma AG.

6.4      KRYPTON shall  provide GENTA JAGO with a copy of the report  detailling
         the  results  of the  Pre-Pivotal  Study  within  ten (10)  days of its
         completion for GENTA JAGO's file. GENTA JAGO shall have no liability or
         responsibility  whatsoever  with  resupect to such  Pre-Pivotal  Study,
         including without  limitation,  the performance or conduct of such Pre-
         Pivotal  Study or the  availability  or quality of the results and data
         from such Pre-Pivotal Study to be carried out by KRYPTON and the CRO.

6.5      Upon  completion  of the  Pre-Pivotal  Study and  availability  of the
         results of such Pre- Pivotal  Study,  the Parties  shall  consult with
         each other on such  results  and  mutually  agree in writing  upon the
         Prototype  Formulation  to be selected for further  development  under
         this Agreement. In the event that the results of the Pre-Pivotal Study
         are  unsatisfactory  in that it is not fully  demonstrated to the good
         faith  mutual  satisfaction  of the  Parties  that at least one of the
         Prototype Formulations meet the respective Specifications, KRYPTON may
         elect to abandon the development  program and terminate this Agreement
         with respect to such Prototype Formulation by giving written notice to
         that effect to GENTA JAGO.


                                    ARTICLE 7
                               FURTHER ACTIVITIES

7.1      Technology Transfer

         Upon  mutual  agreement  of the  Prototype  Formulation  to be used for
         development  as referred  to in Section 6.5 above,  GENTA JAGO shall be
         responsible  for and initiate the  technology  transfer to, and perform
         the scale-up at, the manufacturing site mutually established and agreed
         upon by the Parties.  GENTA JAGO agrees that such technology  transfer,
         and in  particular  the  aspects  of  scale-up  and  validation  of the
         manufacturing  process  shall  be  carried  out by  GENTA  JAGO on such
         equipment  as shall  eventually  be used by KRYPTON or a third party to
         manufacture the Final Product. Upon completion


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<PAGE>

         of such scale-up, GENTA JAGO shall notify KRYPTON thereof in writing.

7.2      Production of Industrial Scale Batches

         Upon receipt by KRYPTON of GENTA JAGO's  notice  referred to in Section
         7.1 above,  the Parties  shall  initiate  the  production  of three (3)
         industrial scale batches (hereinafter "Bio-Batches") on such equipment
         as shall  eventually  be used KRYPTON or a third party to  commercially
         manufacture the Final Product,  based on the Prototype Formulation (the
         size of each  Bio-Batch to be not less than the greater of (i) 10% (ten
         percent) of the  anticipated  initial  commercial  batch size,  or (ii)
         100'000 tablets),  according to Current Good  Manufacturing  Practices,
         such  Bio-Batches  to be  subsequently  used for stability  testing and
         pivotal clinical studies;  provided however, that GENTA JAGO shall have
         the  ultimate  responsibility  with  respect  of any and all  technical
         aspects  of  such  production  of  batches  related  to the  technology
         transfer and the implementation of such technology in the manufacturing
         site.

7.3      Funding of Further Activities

         (a)   Prior to the  commencement  of any activities  under Sections 7.1
               and 7.2 above  GENTA  JAGO  shall  submit  to  KRYPTON * for such
               further  activities which budget and forecast shall be reasonably
               acceptable  to  KRYPTON.  KRYPTON  shall  refund  GENTA  JAGO's *
               reasonably  incurred  by GENTA  JAGO under  Sections  7.1 and 7.2
               above, including but not limited to costs, expenses and fees paid
               to Jago  Pharma and third  party  contractors,  by the payment of
               non-refundable  development fees. Such further  development costs
               shall be  refunded  by  KRYPTON * upon  receipt  by KRYPTON of an
               invoice from GENTA JAGO or Jago Pharma AG.

         (b)   Furthermore,  KRYPTON shall be responsible,  at its own cost, for
               the supply of all raw material including, but not limited to, the
               Active Ingredients  required or necessary for, and all additional
               costs and  expenses  whatsoever  arising out of or in  connection
               with, the production of the Bio-Batches  described in Section 7.2
               above and all other costs  associated with the use of facilities,
               technology transfer, equipment and analytical services.

7.4      Stability Testing

         (a)  KRYPTON shall be responsible  for and perform or have performed at
              its own cost, the stability testing of the Final Product according
              to the then current  requirements of the FDA in bulk packaging and
              in the  final  packaging  materials.  GENTA  JAGO  shall  have  no
              liability  or  responsibility  whatsoever  with  respect  to  such
              stability testing,  including without limitation,  the performance
              or  conduct  of such  stability  testing  or the  availability  or
              quality of the results and data from such stability  testing to be
              carried out or requested by KRYPTON.

         (b)  KRYPTON  shall  provide to GENTA JAGO with a copy of all stability
              testing data within thirty (30) days after the  completion of each
              stability testing period (hereinafter


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              referred to as the Final  Stability  Testing  Report")  for GENTA
              JAGO's file.

         (c)   GENTA JAGO agrees to provide additional  technical assistance and
               consultation  as  may  be  reasonably  requested  by  KRYPTON  in
               connection  with the  stability  testing  of the  Final  Product.
               KRYPTON  shall pay to GENTA JAGO for such  services  provided  by
               GENTA  JAGO's or Jago  Pharma's  personnel  an amount of USD * or
               part thereof  spent,  and  furthermore,  KRYPTON shall  reimburse
               GENTA  JAGO for all  reasonable  and  documented  travel  related
               expenses of GENTA JAGO personnel who travel at KRYPTON's  request
               to locations remote from such personnel's usual working location.

7.5      Further Provisions

         In the event that  KRYPTON  and GENTA JAGO  shall  reasonably  deem the
         results or data from any of the  activities  to be  performed by either
         Party  under this  Article  7. with  respect  to any dose  strength  be
         unsatisfactory  for any  reason,  the  Parties  may  mutually  agree to
         abandon the  development  program and  terminate  this  Agreement  with
         immediate effect.


                                    ARTICLE 8
                             PIVOTAL CLINICAL STUDY

8.1      Promptly  upon  completion  of the further  activities  referred to in
         Article 7. above, KRYPTON shall, at its own responsibility and its own
         cost, sub-contract under confidentiality commitments comparable to the
         provisions  set forth  herein  between  GENTA  JAGO and  KRYPTON to an
         external qualified CRO of its choice,  reasonably  acceptable to GENTA
         JAGO,  to  perform  and manage a series of  pivotal  clinical  studies
         (hereinafter "Clinical  Studies") in man required and/or necessary for
         any  subsequent  NDA or ANDA for the Final Product in accordance  with
         the then current requirements of the FDA.

8.2      KRYPTON shall  consult,  review and agree with GENTA JAGO on the design
         and the final  protocol of such  Clinical  Studies  prior to initiating
         work with the selected subcontractor.

8.3      KRYPTON  shall  reimburse  to GENTA JAGO *  incurred  by GENTA JAGO to
         cover its workload for  preparation  and  consulting  of such Clinical
         Studies.  Such  development  costs shall be paid by * upon  receipt by
         KRYPTON of an invoice from GENTA JAGO or Jago Pharma AG.

8.4      KRYPTON shall  provide  GENTA JAGO with a copy of the report  detailing
         the  results  of the  Clinical  Studies  within  ten  (10)  days of its
         completion for GENTA JAGO's file.

8.5      GENTA JAGO shall have no liability or responsibility whatsoever with 
         respect to such


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<PAGE>

         Clinical  Studies,  including  without  limitation,  the performance or
         conduct of such Clinical  Studies or the availability or quality of the
         results  and data from  such  Clinical  Studies  to be  carried  out or
         requested by KRYPTON.

8.6      In the event  that the  results of the  Pivotal  Clinical  Studies  are
         unsatisfactory  in that it is not fully  demonstrated to the good faith
         mutual  satisfaction  of  KRYPTON  and GENTA  JAGO  that the  Prototype
         Formulation reasonably meets the respective Specifications, the Parties
         may mutually  agree to abandon the  development  program and  terminate
         this Agreement with respect to such dose strength.


                                    ARTICLE 9
                     THE REGULATORY (NDA OR ANDA) SUBMISSION

9.1      Upon  completion of the Clinical  Studies,  KRYPTON may, at its option,
         elect to prepare  and submit to the FDA an NDA or ANDA.  KRYPTON  shall
         notify GENTA JAGO of its  election to exercise or not to exercise  this
         option by giving  written  notice  thereof to GENTA JAGO within  thirty
         (30)  days  as of the  availability  of  the  results  of the  Clinical
         Studies.

9.2      In the event that KRYPTON elects pursuant to Section 9.1 above to make
         NDA or ANDA submission(s) to any Regulatory  Authority with respect to
         a Final Product,  KRYPTON shall have sole liability and responsibility
         for the prosecution, conduct and results of such NDA or ANDA and shall
         bear all costs in connection therewith.  KRYPTON, at KRYPTON's option,
         may elect by written notice to GENTA JAGO prior to commencement of the
         technology  transfer  referred to in Section 7.1 above to have the NDA
         or ANDA  dossier  prepared  on its behalf by a  qualified  third party
         acceptable to GENTA JAGO.  KRYPTON shall be liable and responsible for
         any and all costs associated with such sub-contracting.

9.3      KRYPTON or its chosen  sub-contractor  shall  consult with GENTA JAGO,
         and GENTA JAGO agrees to provide additional  technical  assistance and
         consultation  as may be reasonably  requested by KRYPTON or the chosen
         sub-contractor,  in connection with the preparation and prosecution of
         any NDA or ANDA or with the preparation of the dossier to be submitted
         to the FDA.  KRYPTON  shall pay to GENTA  JAGO for such  services  and
         consultation  provided by GENTA JAGO's personnel an amount of USD * or
         any part thereof spent.  Furthermore,  KRYPTON shall  reimburse  GENTA
         JAGO for reasonable and  documented  travel-related  expenses of GENTA
         JAGO  personnel  who  travel  at  KRYPTON's  request  to  the  elected
         manufacturing  facility(ies)  or  other  locations  remote  from  such
         personnel's usual working location.


                                   ARTICLE 10
                         PROPRIETARY RIGHTS AND PATENTS

10.1     Patents and Proprietary Rights of GENTA JAGO

         (a)   The Licensor and GENTA JAGO, respectively,  shall retain title to
               and ownership of


- - - ---------------
*  Confidential treatment requested.  The redacted material has been separately
   filed with the Commission.


                                      -11-


<PAGE>

              Patents,  Know-How and GEOMATRIX(R)  Technology licensed to GENTA
              JAGO, including, but not limited to, any and all developments and
              inventions   relating  to  Patents,   Know-How  and  GEOMATRIX(R)
              Technology (hereinafter  collectively referred to as ,,GENTA JAGO
              IPR").

         (b)  KRYPTON shall not,  directly or indirectly  through its officers,
              directors,  employees,  agents,  customers or other controlled or
              associated third parties,  acquire any proprietary interest in or
              other  right to GENTA  JAGO  IPR,  other  than  provided  in this
              Agreement.

         (c)  GENTA JAGO shall use all commercially  reasonable efforts, at its
              own  cost,  to cause  the  Licensor  to  prepare,  prosecute  and
              maintain  all  patent   applications  and  patents   constituting
              Patents,  and shall keep KRYPTON  fully and promptly  informed on
              any  developments or changes  relating  thereto.  If the Licensor
              decides  not  to  further   prosecute   any  patent   application
              constituting Patents, GENTA JAGO shall promptly inform KRYPTON of
              such decision in writing,  and the Parties shall,  upon KRYPTON's
              reasonable written request, meet with the Licensor to discuss any
              reasonable appropriate action. During the term of this Agreement,
              GENTA  JAGO  shall,  at  its  sole  cost,  use  all  commercially
              reasonable  efforts  to cause  the  Licensor  to take  all  steps
              necessary  to  maintain  Patents to the  extent  GENTA JAGO deems
              commercially reasonable.  If the Licensor decides not to maintain
              any patent constituting Patents, GENTA JAGO shall promptly inform
              KRYPTON of such decision in writing,  and the Parties shall, upon
              KRYPTON's  reasonable written request,  meet with the Licensor to
              discuss any reasonable  appropriate  action.  Notwithstanding the
              foregoing,  KRYPTON  acknowledges to GENTA JAGO that Licensor has
              the final authority  regarding such preparation,  prosecution and
              maintenance of all patent applications and patents.

10.2     Patents and Proprietary Rights for Final Products

         (a)  KRYPTON shall retain title to and  ownership of all  developments,
              whether  patentable or not, relating  specifically and exclusively
              to  the  Final  Products,  provided  that  such  developments  are
              entirely  independent  of any and all GENTA JAGO IPR  (hereinafter
              collectively referred to ,,Final Product IPR").

         (b)  KRYPTON shall be responsible  for and shall  control,  at its own
              cost, the  preparation,  prosecution and maintenance of all Final
              Product IPR and shall keep GENTA JAGO fully and promptly informed
              on any developments or changes relating thereto.  During the term
              of this  Agreement,  KRYPTON  shall,  at its sole cost,  take all
              steps  necessary to prosecute  and/or  maintain all Final Product
              IPR to the  extent  KRYPTON  deems  commercially  reasonable.  If
              KRYPTON intends not to further  prosecute  and/or maintain any of
              the Final Product IPR,  KRYPTON shall promptly  inform GENTA JAGO
              of such intention in writing, and GENTA JAGO shall have the right
              and option,  but not the  obligation,  to have  transferred to it
              sole title to and ownership in such Final Product IPR free of any
              charge by giving  respective  written  notice  thereof to KRYPTON
              within  thirty (30) days after GENTA JAGO's  receipt of KRYPTON's
              notice referred to above.


                                      -12-
<PAGE>

         (c)  In the event  GENTA JAGO has and  exercises  its right and option
              referred to Section 10.2 (b) above to have  transferred to it any
              such Final Product IPR, KRYPTON shall promptly  undertake any and
              all steps  required  and/or  necessary  to transfer  title to and
              ownership of such Final  Product IPR to GENTA JAGO.  In the event
              that GENTA JAGO  exercises  its option to have  transferred  such
              Final  Product IPR from  KRYPTON to GENTA JAGO,  GENTA JAGO shall
              maintain such Final Product IPR during the term of this Agreement
              to the extent GENTA JAGO deems commercially  reasonable and shall
              bear all cost  associated  therewith  incurred  after the date of
              GENTA JAGO's notice to KRYPTON  exercising its option referred to
              in  Section  10.2 (b)  above.  In such case,  the  Parties  shall
              negotiate in good faith the terms and condition, under which such
              Final Product IPR  transferred to GENTA JAGO shall be included in
              the License pursuant to Article 11. below.

10.3     Notification of Infringement

         (a)  kind that involves or may involve an infringement or violation of
              GENTA  JAGO IPR or  Final  Product  IPR or (ii)  any  third-party
              action, claim or dispute (including,  but not limited to, actions
              for   declaratory    judgment    alleging   the   invalidity   or
              non-infringement)  based upon or arising out of GENTA JAGO IPR or
              Final Product IPR, then KRYPTON shall promptly  notify GENTA JAGO
              in writing of any such infringement,  violation, action, claim or
              dispute.

         (b)  If GENTA JAGO becomes aware of (i) any product or activity of any
              kind that involves or may involve an infringement or violation of
              GENTA JAGO IPR with respect to Final Products or of Final Product
              IPR; or (ii) any third-party action, claim or dispute (including,
              but not limited to, actions for declaratory judgment alleging the
              invalidity  or  non-infringement)  based upon or  arising  out of
              GENTA JAGO IPR with respect to Final Products or of Final Product
              IPR, then GENTA JAGO shall promptly  notify KRYPTON in writing of
              any such infringement, violation, action, claim or dispute.

10.4     Enforcement of GENTA JAGO IPR

         (a)  GENTA JAGO,  at its sole expense,  shall have the right,  but not
              the obligation, (i) to determine the appropriate course of action
              to enforce,  or otherwise  abate the  infringement  of, or defend
              third-party  actions regarding,  GENTA JAGO IPR, (ii) to take, or
              refrain from  taking,  appropriate  action to enforce,  or defend
              third-party  actions regarding,  GENTA JAGO IPR, (iii) to control
              any litigation or other  enforcement  action regarding GENTA JAGO
              IPR, and (iv) to enter into,  or permit,  the  settlement  of any
              such litigation or other enforcement  action regarding GENTA JAGO
              IPR. GENTA JAGO shall keep KRYPTON informed on a regular basis on
              its taking or refraining from taking, and the development of, any
              of the foregoing actions, and shall consider,  in good faith, the
              interests of KRYPTON under this  Agreement when taking any of the
              foregoing  actions,  to the extent  that any such  action or such
              infringement may have an adverse effect on Final Product. KRYPTON
              shall,  at its own cost,  fully  cooperate with GENTA JAGO in the
              planing and execution of any suit or other action to enforce,  or
              defend third-party actions regar-


                                      -13-


<PAGE>

              ding, GENTA JAGO IPR as reasonably required or requested by GENTA 
              JAGO.

         (b)  If GENTA JAGO does not within  one-hundred-twenty  (120) days, or
              any shorter delay imposed by any  applicable law or regulation or
              court or authority having jurisdiction, after receiving notice of
              any  infringement  or  violation  of  GENTA  JAGO IPR  which  may
              adversely  affect Final Products,  or of any third-party  action,
              claim or  dispute  based  upon or  arising  out of GENTA JAGO IPR
              which may adversely  affect Final  Products,  commence or take an
              action to  enforce,  or  otherwise  abate such  infringement,  or
              defend against such third-party  action,  then the Parties shall,
              upon  KRYPTON's  written  request,  promptly  meet to discuss any
              reasonable  appropriate action with regard to such enforcement of
              GENTA  JAGO  IPR  which  may  adversely  affect  Final  Products,
              provided however,  that KRYPTON is aware and acknowledges that in
              such case the Licensor will have the right to enforce any and all
              GENTA JAGO IPR pursuant to the License Agreements.

         (c)  Subject to the right of the  Licensor to control any suit or other
              action with regard to GENTA JAGO IPR as outlined in the  preceding
              section,  KRYPTON,  upon  its  written  request  and at  its  sole
              expense,  shall be made an additional,  but not controlling party,
              in any  such  suit or  other  action  where  necessary  to  obtain
              complete relief regarding the subject infringement or violation.

10.5     Enforcement of Final Product IPR

         (a)  KRYPTON,  at its sole expense,  shall have the right, but not the
              obligation,  (i) to determine the appropriate course of action to
              enforce,  or  otherwise  abate  the  infringement  of,  or defend
              third-party  actions regarding,  Final Product IPR, (ii) to take,
              or refrain from taking,  appropriate action to enforce, or defend
              third-party  actions  regarding,  Final  Product  IPR,  (iii)  to
              control any  litigation  or other  enforcement  action  regarding
              Final  Product  IPR,  and  (iv) to enter  into,  or  permit,  the
              settlement  of any such  litigation or other  enforcement  action
              regarding Final Product IPR.  Notwithstanding  anything contained
              in the preceding  sentence,  KRYPTON shall not settle any suit or
              action or otherwise  consent to an adverse  judgment in such suit
              or action without the prior written consent of GENTA JAGO,  which
              consent  shall not be withheld  unreasonably.  KRYPTON shall keep
              GENTA  JAGO  informed  on  a  regular  basis  on  its  taking  or
              refraining  from  taking,  and  the  development  of,  any of the
              foregoing  actions,  and  shall  consider,  in  good  faith,  the
              interests  of GENTA JAGO under this  Agreement  and in GENTA JAGO
              IPR, when taking any of the foregoing actions.

         (b)  If KRYPTON does not, within one-hundred-and-twenty (120) days, or
              any shorter delay imposed by any  applicable law or regulation or
              court or authority having jurisdiction, after receiving notice of
              any  infringement  or violation  of Final  Product IPR, or of any
              third-party action, claim or dispute based upon or arising out of
              Final  Product  IPR,  commence or take an action to  enforce,  or
              otherwise  abate  such  infringement,   or  defend  against  such
              third-party action, then GENTA JAGO shall have the right, but not
              the  obligation,  at its sole  expense,  to take and control such
              action  as  it  deems  appropriate  to  enforce,   or  abate  the
              infringement  of,  or defend  against  such  third-party  action,
              regarding Final Product IPR. GENTA JAGO shall


                                      -13-


<PAGE>

              keep  KRYPTON  informed on a regular  basis of any such action and
              consider,  in good  faith,  the  interests  of KRYPTON  under this
              Agreement when taking any of the foregoing actions.  KRYPTON, upon
              its  written  request  and at its sole  expense,  shall be made an
              additional,  but not controlling  party, in any such suit or other
              action controlled by GENTA JAGO where necessary to obtain complete
              relief regarding the subject infringement or violation.

10.6     Application of Monies Recovered

         Subject  always to the right of the  Licensor  to  control  any suit or
         other  action  with  regard to GENTA  JAGO IPR as  outlined  in Section
         10.4(c)  and any right to receive  any monies  recovered  therefrom  as
         provided for in the License  Agreements,  all monies recovered upon the
         final  judgment or  settlement  of any suit or other  action under this
         Sections 10.4 or 10.5 shall be applied as follows:

         (i)   to cover  any and all costs and  expenses  (including  attorney's
               fees)  incurred  by the  Party  controlling  such  suit or  other
               action;

         (ii)  to cover  any and all costs and  expenses  (including  attorney's
               fees)  reasonably,  or upon  request  of the  controlling  Party,
               incurred by the other Party in connection with such suit or other
               action, if any;

         (iii) the remainder,  if any, to the Party controlling any such suit or
               other action.


                                   ARTICLE 11
                              SUB-LICENSE AGREEMENT

11.1     GENTA JAGO hereby grants to KRYPTON the  exclusive and  sublicenseable
         right and  sub-license  (hereinafter  referred to as the "License") to
         use,  manufacture,  have  manufactured,  sell  and  market  the  Final
         Products  in  the  Territory  and  to use  the  Patents,  GEOMATRIX(R)
         Technology and Know How  exclusively  for that purpose  subject to the
         payment of the * and the  Royalties  pursuant to Articles  13. and 14.
         below.

11.2     The  rights  of  KRYPTON  to grant any  sub-license  in any part of the
         Territory shall be subject to the requirement that KRYPTON shall obtain
         the  written  approval  of  GENTA  JAGO  prior  to  executing  any such
         sub-license  agreement,   which  approval  shall  not  unreasonably  be
         withheld,  provided however,  that no such approval by GENTA JAGO shall
         be required for any sub-license to an Affiliate of KRYPTON .

11.3     In any event KRYPTON shall be responsible for any and all acts,  deeds
         and undertakings of its permitted  sub-licensee(s) and KRYPTON and its
         permitted  sub-licensee(s) shall continue to be bound by all terms and
         provisions  under this  Agreement  throughout  its term.  In case that
         KRYPTON  sub-licenses rights and/or the License to any sub-licensee(s)
         approved by GENTA JAGO, such sub-licensee(s) shall agree in writing to
         any and all of  KRYPTON's  obligations  and  undertakings  under  this
         Agreement,   including   but  not   limited  to  its   confidentiality
         obligations set forth  hereinafter.  Furthermore,  KRYPTON  undertakes
         that any and all sub-license  agreements  shall provide for inspection
         and audit provisions


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*  Confidential treatment requested.  The redacted material has been separately
   filed with the Commission.


                                      -14-


<PAGE>

         identical  to the  provisions  set forth below in order to enable GENTA
         JAGO to control and audit and  receive  any and all fees and  Royalties
         due as provided in this  Agreement.  KRYPTON  shall  provide GENTA JAGO
         promptly with reasonable appropriate information on its sub-licensee(s)
         and copies of all agreements with such  sub-licensee(s)  (with only the
         commercial terms may be redacted).


                                   ARTICLE 12
                       MANUFACTURING AND PRODUCT LIABILITY

12.1      In the event that KRYPTON,  subject to Section 5.5 above, elects GENTA
          JAGO, and GENTA JAGO expressly agrees to such  manufacture,  or any of
          its Affiliates  shall  manufacture  Final  Products,  then the Parties
          agree to enter into good faith negotiations on and to use commercially
          reasonable  efforts to execute in due time a respective  Manufacturing
          and Supply Agreement,  according to which GENTA JAGO or its Affiliates
          shall undertake to manufacture and supply Final Products in sufficient
          quantities to meet  KRYPTON's  requirements,  at a sale price for such
          Final Products  manufactured equal to GENTA JAGO's *. In the event and
          for such period of time, that GENTA JAGO or its Affiliate manufactures
          and  supplies  Final  Product  under  such  Manufacturing  and  Supply
          Agreement, the Royalty Rate referred to in Section 14.1 below shall be
          *.

12.2     In the event that KRYPTON or any of its  Affiliates or any third party
         is elected pursuant to Section 5.5 above to manufacture Final Product,
         then   KRYPTON   undertakes   and   agrees   that  at  all  times  the
         Specifications and to any and all laws, rules and regulations  imposed
         by  any   competent   authority  on  the   manufacturing,   marketing,
         distribution and sale of Final Products are strictly adhered to by the
         manufacturer,  and  KRYPTON  shall  during  the  entire  term  of this
         Agreement  be  solely  and  fully  liable  and   responsible  for  the
         compliance   with  all  such   laws,   rules  and   regulations   when
         manufacturing,   having  manufactured,   marketing,  distributing  and
         selling  Final  Products  itself  and/or  through  Affiliates  or sub-
         licensee(s).

12.3     KRYPTON shall  indemnify,  defend and hold GENTA JAGO,  its Affiliates
         and the  Licensor  harmless  from  and  against  any  losses,  claims,
         liabilities, costs and expenses (including reasonable attorney's fees)
         that may be imposed  upon or  asserted  against  GENTA JAGO and/or its
         Affiliates   and/or  the  Licensor  as  a  result  of  the  marketing,
         distributing,  manufacture,  use or sale of  Final  Products  by or on
         behalf of KRYPTON, its Affiliates,  agents or sub-licensee(s),  except
         for those claims,  liabilities,  costs and expenses arising from gross
         negligence or  intentional  misconduct on the part of GENTA JAGO,  its
         Affiliates or the Licensor.


                                   ARTICLE 13
                       * PAYMENTS AND OTHER CONSIDERATION

13.1     As consideration for GENTA JAGO's preliminary  development  efforts for
         the  Prototype  Formulation  performed  prior to the  execution of this
         Agreement as referred to in Section 2.1 above,  KRYPTON  undertakes  to
         pay to  GENTA  JAGO  an  initial *,  payable  upon  execution  of  this
         Agreement.


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*  Confidential treatment requested.  The redacted material has been separately
   filed with the Commission.


                                      -15-


<PAGE>

13.2     As consideration for the License granted by GENTA JAGO to KRYPTON under
         this Agreement and in consideration of certain major  development steps
         achieved hereunder, KRYPTON undertakes to pay to GENTA JAGO *.

         (a)   * upon  KRYPTON's  receipt of GENTA JAGO's notice  referred to in
               Section 7.1 above; and

         (b)   *; and

         (c)   * for the Final Product; and

         (d)   * for the Final Product.

13.3     The Parties agree that an * as set forth in Section 14.4 below.

13.4     Unless otherwise  agreed by the Parties in writing,  all payments under
         this  Article 13.  shall be made in United  States  Dollars and to such
         place or account as GENTA JAGO reasonably requests from time to time in
         writing.


                                   ARTICLE 14
                                    ROYALTIES

14.1     During a period  commencing  upon the first  commercial  sale of Final
         Product in each country of the  Territory  and ending upon the earlier
         of (i) the fifteenth  (15th)  anniversary of the first commercial sale
         of  Final  Product  in such  country  of the  Territory,  and (ii) the
         expiration of the last of the Patents  covering  Final Product in such
         country of the  Territory  (hereinafter  referred  to as the  "Royalty
         Term"), and in further consideration of the License granted to KRYPTON
         by GENTA JAGO, KRYPTON shall pay to GENTA JAGO a royalty  (hereinafter
         referred  to as the  "Royalty")  of an amount  equal to * of the Final
         Product in the Territory.

14.2     The  Parties  agree that * shall be  applicable  for the first time on
         sales of such


- - - ---------------
*  Confidential treatment requested.  The redacted material has been separately
   filed with the Commission.

                                      -16-


<PAGE>

         Final Product in such country of the  Territory  after the beginning of
         the calendar quarter immediately following the first commercial sale of
         such Competitive Product.

14.3     Royalties shall be payable on a quarterly  basis.  KRYPTON shall remit
         to GENTA  JAGO  within  six (6) weeks  after the end of each  calendar
         quarter  the amount of Royalty  due with  respect to Net Sales  and/or
         Gross Margin,  as the case may be, achieved in the preceding  quarter,
         beginning with the calendar quarter in which the first commercial sale
         of the Final Product is made in any country of the Territory.  KRYPTON
         shall  deliver to GENTA JAGO,  along with such  remittance  of Royalty
         payments,   a  detailed   statement   (hereinafter   referred   to  as
         the "Royalty  Report") of the Net Sales  and/or Gross  Margin,  as the
         case may be, of the Final  Product  on a  country-by-country  basis to
         which the Royalty payment relates.

14.4     All Royalty  Reports  shall be prepared in  accordance  with  generally
         accepted  accounting  principles  consistently  applied from applicable
         period to period  and shall be  certified  by an  officer of KRYPTON as
         being so prepared, true, accurate and correct.

14.5     In  recognition  of  the * by  KRYPTON  to  GENTA  JAGO  prior  to the
         commercial sale of the Final Products,  the amount of Royalty payments
         due to GENTA  JAGO  under  Article  14.2  above  with  respect to each
         calendar quarter shall be * until such time as the aggregate amount of
         all *.

14.6     Unless  otherwise  agreed  by the  Parties  in  writing,  payments  of
         Royalties  shall be made in United States Dollars and to such place or
         account  as  GENTA  JAGO  reasonably  requests  from  time  to time in
         writing.  Any conversions into United States Dollars from the currency
         in which the  corresponding  Net Sales  and/or  Gross  Margin for such
         Royalties were made, are to be calculated as using the average closing
         buying rate for such currency quoted in the  continental  terms method
         of quoting  exchange rates (local currency per USD 1) published in the
         Wall  Street  Journal  on the  last  business  day  of the  applicable
         reporting period covered by such Royalty Report.


                                   ARTICLE 15
                              INSPECTION AND AUDIT

15.1     During the term of this  Agreement  and during a period of twelve (12)
         months after its  expiration or termination  for any reason,  upon the
         written  request  of GENTA  JAGO and not more than once each  calendar
         year, KRYPTON shall permit an independent  certified public accountant
         of  internationally  recognized  standing  selected by GENTA JAGO,  at
         GENTA JAGO's expense,  to have access during regular business hours to
         such of the records of KRYPTON and its Affiliates as may be reasonably
         necessary to verify the  accuracy of the Royalty  Reports for any year
         ending not more than  thirty-six (36) months prior to the date of such
         request. The accounting firm shall disclose to GENTA JAGO only whether
         the Royalty  Reports and records of KRYPTON and its Affiliates and the
         amount of Royalties  actually paid are correct or not and the specific
         details concerning


- - - ---------------
*  Confidential treatment requested.  The redacted material has been separately
   filed with the Commission.


                                      -17-


<PAGE>

         any  discrepancies;  no other information shall be shared.  The Parties
         agree to accept such  written  audit  report as final and binding  upon
         them.

15.2     If  such   independent   accounting  firm  correctly   concludes  that
         additional Royalties were owed during any such period audited, KRYPTON
         shall pay such additional  Royalties  within ten (10) days of the date
         GENTA JAGO delivers to KRYPTON such  accounting  firm's written report
         so concluding.  The fees and expenses  charged by such accounting firm
         with  respect  to such  audit  shall be paid by GENTA  JAGO;  provided
         however,  if any such audit correctly discloses that Royalties payable
         by KRYPTON for the audited  period are more *, then KRYPTON  shall pay
         all reasonable fees and expenses  charged by such accounting firm with
         respect to such audit.

15.3     GENTA JAGO shall  treat all  financial  information  subject to review
         under  this   Article   15.  as   confidential   and  subject  to  the
         confidentiality obligations in Article 16. below.


                                   ARTICLE 16
                                 CONFIDENTIALITY

16.1     Confidential  Information.  KRYPTON shall  maintain in confidence  all
         Know-How  and other  information  of GENTA  JAGO  (including  samples)
         disclosed  by GENTA JAGO and  identified  as, or  acknowledged  to be,
         confidential  (the,,Confidential  Information"),  and  shall  not use,
         disclose or grant the use of the Confidential  Information except on a
         need- to-know basis to its  directors,  officers,  employees,  agents,
         consultants, clinical investigators or other permitted contractors, to
         the extent such disclosure is reasonably  necessary in connection with
         KRYPTON's activities as expressly authorized by this Agreement. To the
         extent that  disclosure  is  authorized  by this  Agreement,  prior to
         disclosure,  KRYPTON  hereto shall obtain  agreement in writing of any
         such person to hold in confidence and not make use of the Confidential
         Information  for any  purpose  other  than  those  authorized  by this
         Agreement. KRYPTON shall notify GENTA JAGO promptly upon the discovery
         of the unauthorized use or disclosure of the Confidential Information.

16.2     Permitted Disclosures.  The obligations of confidentiality and non-use
         contained in Section 16.1 above shall not apply to the extent that (a)
         KRYPTON (i) is required to disclose  information by law, regulation or
         order of a governmental  agency or a court of competent  jurisdiction,
         or (ii) is required to disclose information to any governmental agency
         for  purposes of obtaining  approval to test or market Final  Product,
         provided  in each case that  KRYPTON  shall give  GENTA  JAGO  written
         notice thereof and sufficient  opportunity to object to any disclosure
         or to request  confidential  treatment  thereof,  or (b)  KRYPTON  can
         demonstrate that (i) the disclosed information was public knowledge at
         the  time  of such  disclosure  to it,  or  thereafter  became  public
         knowledge,  other  than  as  a  result  of  actions  of  KRYPTON,  its
         directors,  officers  and  employees  in  violation  hereof;  (ii) the
         disclosed information was rightfully known by KRYPTON (as shown by its
         written  records)  prior to the date of disclosure to it by GENTA JAGO
         hereunder; (iii) the disclosed information was disclosed to KRYPTON on
         an  unrestricted  basis from a source  unrelated  to any party to this
         Agreement and not under a duty of confidentiality to GENTA JAGO or the


- - - ---------------
*  Confidential treatment requested.  The redacted material has been separately
   filed with the Commission.


                                      -18-


<PAGE>

         Licensor; or (iv) the disclosed information was independently developed
         by KRYPTON  without the use of  Confidential  Information  disclosed by
         GENTA JAGO.

16.3     Terms of this Agreement.  Except as otherwise provided in Section 16.2
         above,  neither  Party shall  disclose any terms or conditions of this
         Agreement  to any third party  (other than the  Licensor)  without the
         prior consent of the other Party. Notwithstanding the foregoing, prior
         to the execution of this  Agreement,  the Parties shall agree upon the
         substance  of  information  that can be used to describe  the terms of
         this  transaction,  and the Parties may disclose such information only
         without the other  Party's  consent.  Notwithstanding  the  foregoing,
         prior to the execution of the Agreement,  the Parties shall agree upon
         the substance of information that can be used to describe the terms of
         this  transaction,  and the  Parties  may  disclose  such  information
         without the other Party's consent.

16.4     Term of Confidentiality.  The  confidentiality  obligations under this
         Article 16 shall be effective  during the term of this  Agreement  and
         for a  period  of ten (10)  years  after  the  expiration  or  earlier
         termination hereof.

16.5     Injunctive  Remedies.  GENTA  JAGO  shall  be  entitled  to  injunctive
         remedies and relief  against  KRYPTON and its  Affiliates and any third
         parties  for any  breach or  threatened  breach of the  confidentiality
         obligations under this Article 16.

16.6     Damages.  In the  event of a breach of the  confidentiality  provisions
         under this  Article 16 by KRYPTON,  its  Affiliates  or its  directors,
         officers,  employees  or any other  person who were given access to the
         Confidential  Information  by KRYPTON,  GENTA JAGO shall be entitled to
         receive  from  KRYPTON any and all actual  costs and damages  caused by
         such breach.

16.7     other public announcements or disclosures  regarding the execution and
         the existence of this Agreement or any activities conducted hereunder,
         including development results, filings and registrations,  without the
         prior  written  consent of the other  Party,  except  for such  public
         disclosure  as may be  necessary  in the opinion of any party's  legal
         advisor  in order  not to be in  violation  of or  default  under  any
         applicable law,  regulation or governmental order, in such later event
         the party having an obligation  to disclose  shall submit to the other
         party a draft of the  required  announcement  and shall give the other
         party  the   opportunity   to  request   reasonable   amendments   and
         modifications of such required announcement.


                                   ARTICLE 17
                              TERM AND TERMINATION

17.1     Term and Expiration

         (a)  This Agreement shall expire on a country-by-country basis upon the
              expiration of the Royalty Term.

         (b)  Upon the  expiration  of this  Agreement  in each  country of the
              Territory pursuant to


                                      -18-


<PAGE>

              Section 17.1 (a) above and payment of all fees,  including but not
              limited to the *, and all Royalties and other  payments by KRYPTON
              due GENTA JAGO under this  Agreement,  the License shall be deemed
              to be a perpetual, fully paid-up and royalty-free license for such
              Final Product and each such country of the Territory.

17.2     Termination Prior to Registration

         During  the  development,   test,  study  and  registration  phases  as
         specified  in  Articles  3.  through  8.  above,  and  until  the first
         successful registration approval of any Final Product by any Regulatory
         Authority,  this  Agreement may be  terminated  in accordance  with the
         provisions set forth in Sections 3.6, 4.6, 6.5, 7.5 and 8.6 above.

17.3     Termination for Cause

         During the entire term of this  Agreement  either  Party may  terminate
         this  Agreement  by giving to the other  Party  written  notice to that
         effect, if any of the following events occur:

         (a)  the other Party is in default or in breach of a term or  provision
              hereof and such  default or breach  continues  and is not remedied
              within thirty (30) days upon the other Party's  written request to
              remedy such default or breach; or

         (b)  the   other   Party   shall   commit  a  breach  of  any  of  the
              confidentiality provisions of Article 16. above; or

         (c)  the other Party goes into  liquidation,  voluntarily or otherwise,
              other than for the sole  purpose of  reorganization,  or goes into
              bankruptcy or makes an assignment for the benefit of creditors, or
              in the event of a receiver  being  appointed of the other  Party's
              property or parts thereof.

17.4     Effect of Termination

         (a)  If KRYPTON  elects to so terminate  the  Agreement  under Section
              17.2  above  prior to  filing of the ANDA in the  United  States,
              then: (i) such termination  shall be without penalty or liability
              to KRYPTON;  (ii) all rights and  licenses  granted by GENTA JAGO
              hereunder  shall  revert  to  GENTA  JAGO  with  respect  to such
              country(ies)  so  terminated,  (iii)  KRYPTON be  relieved of any
              payments  that are  scheduled  or may be made in the future under
              this  Agreement,  (iv)  KRYPTON  shall  return to GENTA  JAGO all
              materials,  documentation,  information,  data and  other  things
              furnished  by  GENTA  JAGO in  connection  with  this  Agreement,
              including   without   limitation   any   and   all   Confidential
              Information,  together  with  all  copies  thereof  in  KRYPTON's
              possession or under its control, (v) all Registrations pertaining
              to the  marketing of the Product shall be  transferred  to and be
              owned by GENTA JAGO as to the affected  country(ies) and the data
              generated   under  this  Agreement   shall  be  provided  to  and
              thereafter   may  be  freely  used  by  GENTA  JAGO  to  develop,
              manufacture  and market the Product;  and (vi) GENTA JAGO and its
              Affiliates  shall  thereafter be entitled to exercise such rights
              as they may have under their own license agreements to make, have
              made, use or sell the Product in the  country(ies)  so terminated
              without compensation or obligation to KRYPTON; provided, that the
              foregoing rights under


                                      -19-


<PAGE>

              (iv) and (vi) shall not create or imply any right or license under
              any patent rights,  copyright  rights,  trademarks or trade names,
              know-how,   or  other   intellectual   property  rights  owned  or
              controlled by KRYPTON or its Affiliates.

         (b)  If KRYPTON elects to so terminate  this  Agreement  subsequent to
              the  filing  of the ANDA in the  United  States,  then:  (i) such
              termination  shall be without  penalty or  liability  to KRYPTON;
              (ii) all rights  and  licenses  granted  by GENTA JAGO  hereunder
              shall revert to GENTA JAGO with respect to such  country(ies)  so
              terminated;  (iii) KRYPTON shall be relieved of any payments that
              are scheduled or may be made in the future under this  Agreement,
              (iv)  KRYPTON   shall   return  to  GENTA  JAGO  all   materials,
              documentation,  information,  data and other things  furnished by
              GENTA JAGO in connection with this Agreement,  including  without
              limitation any and all  Confidential  Information,  together with
              all copies thereof in KRYPTON's  possession or under its control,
              (v) GENTA JAGO and its Affiliates shall thereafter be entitled to
              make,  have made, use or sell the Product in the  country(ies) so
              terminated (and, provided, that the foregoing shall not create or
              imply any right or  license  under any patent  rights,  copyright
              rights,   trademarks   or  trade   names,   know-how,   or  other
              intellectual  property  rights owned or  controlled by KRYPTON or
              its Affiliates); (vi) all Registrations pertaining to the Product
              shall be  transferred  to and be  owned  by GENTA  JAGO as to the
              affected  country(ies) and the data generated  hereunder shall be
              provided  to and  thereafter  may be freely used by GENTA JAGO to
              develop, manufacture and market the Product; and (vii) GENTA JAGO
              shall pay to KRYPTON the same royalty, which shall be paid in the
              same manner and subject to the same terms and conditions as would
              otherwise  have applied to KRYPTON,  as KRYPTON  would  otherwise
              have paid  (absent such  termination)  hereunder to GENTA JAGO on
              Net Sales (or on the Gross Margin of such Net Sales,  as the case
              may  be) of  the  Product  in  the  country(ies)  to  which  such
              termination  applies  (with such royalty to be paid by GENTA JAGO
              and its  Affiliates in each such country until  expiration of the
              Royalty  Term in  each  such  country),  until  such  time as the
              royalties  paid to KRYPTON  equal the  aggregate  amount that had
              been paid by  KRYPTON  to GENTA  JAGO  prior to such  termination
              under the Sections 3.5, 4.3, 5.2, 6.3,  7.3,8.3,  9.2 and 13., at
              which time the royalty rate then  prevailing  on Net Sales (or on
              the Gross  Margin of such Net  Sales,  as the case may be) in the
              United  States  shall be reduced by two  percent (2 %) (but shall
              not be reduced for sales outside the United States).

         (c)  Otherwise  the  termination  of this  Agreement  shall be without
              prejudice to any rights and  obligations  of either Party accrued
              prior  to  the  effective  date  of  termination.  KRYPTON  shall
              forthwith make all payments due and  outstanding to GENTA JAGO at
              the date of termination. Except as explicitly otherwise stated in
              this Agreement,  GENTA JAGO shall not be obligated to refund upon
              termination of this Agreement to KRYPTON any payments,  including
              without  limitation the *, made by KRYPTON to GENTA JAGO prior to
              such termination pursuant to the provisions of this Agreement.

         (d)  The  termination of this Agreement  pursuant to Section 17.3 above
              by either  Party shall not limit  remedies  which may be otherwise
              available in law or equity to either Party.


- - - ---------------
*  Confidential treatment requested.  The redacted material has been separately
   filed with the Commission.


                                      -20-


<PAGE>

17.5     Early Termination of the License Agreements

         (a)  In the event that the License  Agreements are terminated  prior to
              the  expiration  of the last to expire of the Patents  licensed to
              GENTA JAGO in the Territory, then the License granted hereunder to
              KRYPTON  shall  also  terminate  upon  KRYPTON's  receipt  of  the
              respective termination notice from the Licensor.  KRYPTON may give
              written notice to the Licensor of KRYPTON's desire to continue the
              License granted under this Agreement  within sixty (60) days as of
              KRYPTON's receipt of the Licensor's notice referred to above.

         (b)  In the event that  KRYPTON  timely  notifies  the  Licensor of its
              desire to continue the License granted under this  Agreement,  the
              Licensor shall have the right, at its sole discretion, to elect to
              assume in  writing  within  sixty  (60)  days upon the  Licensor's
              receipt of KRYPTON's notice any and all rights of GENTA JAGO under
              this  Agreement  and to promptly  cure all  defaults of GENTA JAGO
              under this Agreement, if any.

         (c)  In the event that the  Licensor  does not timely  gives  notice to
              KRYPTON and cures all of GENTA JAGO's defaults  hereunder pursuant
              to Section  17.5(b) above,  then KRYPTON shall promptly  assume in
              writing any and all rights and obligations of GENTA JAGO under the
              License  Agreements  with the  Licensor,  but with  regard  to the
              rights  encompassed  by the License  granted  hereunder  only, and
              promptly  cure  all  defaults  of GENTA  JAGO  under  the  License
              Agreements  with regard to the rights  encompassed  by the License
              granted hereunder only, if any.

         (d)  Notwithstanding anything contained in this Section 17.5, no action
              taken  by  the  Licensor  and/or  KRYPTON  to  continue  or not to
              continue the License  shall  relieve GENTA JAGO from any liability
              for any  uncured  defaults  under this  Agreement  or the  License
              Agreements,  and such action by the Licensor  and/or KRYPTON shall
              be without  prejudice to any other rights or remedies the Licensor
              and/or KRYPTON may have in law or equity.


                                   ARTICLE 18
                                   WARRANTIES

18.1     GENTA  JAGO  shall  carry  out and  undertake  the  studies  and tests
         specified in this  Agreement in a careful and diligent  manner.  GENTA
         JAGO agrees to carefully choose, instruct and supervise any employees,
         officers,  Affiliates  or third  parties  to be chosen  by GENTA  JAGO
         pursuant  to this  Agreement,  who are  involved  with the  tests  and
         studies.   Nothing  in  this   Agreement   shall  be  construed  as  a
         representation  made,  or  warranty  given,  by  GENTA  JAGO  that any
         development  performed by or for GENTA JAGO under this  Agreement will
         be  successful  in whole or in part,  or that any  product,  including
         Final  Product,  which may be  developed,  will be  successful  in the
         commercial   marketplace.    Furthermore,    GENTA   JAGO   makes   no
         representation  or  warranty,  express  or  implied,  with  respect to
         GEOMATRIX(R)Technology  and/or Know-How, including without limitation,
         any warranty of completeness, accuracy, merchantability or fitness for
         a


                                      -21-


<PAGE>

         particular purpose thereof.

18.2     GENTA JAGO  represents  and warrants that it has all rights  regarding
         Patents,  GEOMATRIX(R)Technology  and Know-How  necessary to grant the
         License hereunder.  Notwithstanding the preceding sentence, GENTA JAGO
         does not  assume any  responsibility  and makes no  warranty  that the
         performance  of this  Agreement and any product  developed  hereunder,
         including Prototype Formulation(s) and Final Products, do not infringe
         any third party's patents,  patent  applications or other intellectual
         property rights.  Notwithstanding the preceding  sentence,  GENTA JAGO
         represents  and  warrants  that,  as of the  effective  date  of  this
         Agreement,  it is  not  aware  and  has  not  knowledge  of  any  such
         infringement of any third party rights. If, however, during the course
         of  this   Agreement   either  Party   discovers  that  the  Prototype
         Formulation(s)  and/or the Final Products infringe or may infringe any
         third party's  intellectual  property rights, it shall promptly inform
         the other  Party  thereof  and the  Parties  shall meet to discuss the
         course of action to be taken with regard thereto.

18.3     Nothing in this Agreement shall be construed as a representation  made,
         or  warranty  given by GENTA JAGO that any patent will issue based upon
         any pending patent  application  encompassed  by the term Patents,  and
         that any patent  encompassed  by the term Patents  which issues will be
         valid or enforceable.

18.4     GENTA JAGO  assumes no  liability  or  responsibility  for any  damages
         caused to KRYPTON, third parties, animals and/or the environment by the
         manufacturing,  marketing or use of the Prototype Formulations or Final
         Products  or the active  ingredient  contained  therein,  except to the
         extent that any of the above are  attributable to the gross  negligence
         or willful  misconduct  of GENTA  JAGO in  performing  its  obligations
         hereunder.

18.5     Subject  to the  specific  representations  and  warranties  given and
         specific  disclaimers of  representations  and warranties  included in
         this  Article  18, and further  subject to  anything  to the  contrary
         contained in this Agreement,  either Party shall, as to third parties,
         be  indemnified  and held harmless by the other Party from and against
         any and all losses,  liabilities  and damages  arising from any claim,
         action or other  proceeding by any third party relating to any acts or
         omissions of the other Party,  its directors,  officers,  employees or
         agents,  or the gross  negligence or willful  misconduct of such other
         Party, its directors,  officers, employees or agents in performing any
         of its obligations under this Agreement.

18.6     Any  liability,  warranty  and  undertaking  contained  herein shall be
         limited to the payment by either Party for direct  damages to the other
         Party  and in any  event,  neither  Party  shall be liable to the other
         Party for any  special,  indirect,  punitive or  consequential  damages
         and/or loss of profits or anticipated profits, respectively.

18.7     KRYPTON shall, at its own expense,  purchase from an insurance  company
         of its  choice  and  shall  maintain  during  the  entire  term of this
         Agreement an appropriate and customary policy of general  liability and
         product liability  insurance  covering its  responsibilities  regarding
         Prototype  Formulation(s) and Final Products  developed,  manufactured,
         marketed  and sold  under  this  Agreement  and the  Active  Ingredient
         contained  therein and the use thereof.  Upon  request,  KRYPTON  shall
         provide GENTA JAGO with evidence that such


                                      -22-


<PAGE>

         insurances are existing and are maintained.


                                   ARTICLE 19
                            MISCELLANEOUS PROVISIONS

19.1     Entire  Agreement:  The terms,  covenants,  conditions  and provisions
         contained in this  Agreement,  including  its  Appendices  referred to
         herein, constitute the total and complete agreement of the Parties and
         supersede all prior  understandings  and  agreements  hereto made, and
         there  are no  other  representations,  understandings  or  agreements
         relating  to  the  subject  matter  hereof.  The  provisions  of  this
         Agreement may not be waived, altered,  amended or repealed in whole or
         in part except by the  written  consent of both of the Parties to this
         Agreement.

19.2     Assignment:   This   Agreement   may  not  be  assigned  or  otherwise
         transferred,  nor,  except as expressly  provided  hereunder,  may any
         right or  obligation  hereunder be assigned or  transferred  by either
         Party,  other than to an Affiliate of such Party,  without the consent
         of the other Party;  provided however,  that either Party may, without
         such consent,  assign this  Agreement  and its rights and  obligations
         hereunder  in  connection   with  the  transfer  or  sale  of  all  or
         substantially  all of its  business,  or in the  event of its  merger,
         consolidation,  change in control or similar transaction; and provided
         further that GENTA JAGO may without the consent of KRYPTON  assign any
         and all of its rights and obligations hereunder to the Licensor and/or
         any of the Licensor's Affiliates.  Any permitted assignee shall assume
         all  obligations  of its  assignor  under this  Agreement or under the
         respective rights or obligations actually assigned.

19.3     Successors: This Agreement and all rights hereunder shall ensure to the
         benefit of all successors and assigns of both Parties.

19.4     Notices:  Any  consent,  notice or report  required or  permitted to be
         given or made under this  Agreement  by one Party to the other shall be
         in English and in writing,  delivered  personally or by courier service
         or by facsimile  (promptly  confirmed  by personal  delivery or courier
         service)  addressed to the other Party at its address  indicated below,
         or to such other  address as shall have been notified in writing to the
         sending Party by the receiving  party from time to time, and shall take
         effect upon receipt by the addressee.

         IF TO KRYPTON:                     KRYPTON LTD.
                                            East Wing, Second Level
                                            Hadfield House
                                            Library Street
                                            Gibraltar
                                            attn.: PRESIDENT


         WITH COPIES TO:                    SKYEPHARMA PLC
                                            105 Piccadilly
                                            London W1V 9FN, England
                                            attn.: COMPANY SECRETARY


                                      -23-


<PAGE>

        AND:                                RINDERKNECHT GLAUS & STADELHOFER
                                            Beethovenstrasse 7
                                            P.O. Box 4451
                                            CH-8022 Zurich, Switzerland
                                            attn.: DR. THOMAS M. RINDERKNECHT

         IF TO GENTA JAGO:                  GENTA JAGO Technologies B.V.
                                            Swiss Branch
                                            Grundstrasse 12
                                            CH-6343 Rotkreuz, Switzerland
                                            attn.: MANAGEMENT COMMITTEE

         WITH COPIES TO:                    RINDERKNECHT GLAUS & STADELHOFER
                                            Beethovenstrasse 7
                                            8002 Zurich, Switzerland
                                            attn.: DR. THOMAS M. RINDERKNECHT

         AND:                               PILLSBURY MADISON & SUTRO LLP
                                            235 Montgomery Street, 15th Floor
                                            San Francisco, CA 94104, U.S.A.
                                            attn.: THOMAS E. SPARKS, JR., ESQ.

19.5     Independent Contractors:  It is expressly agreed that the Parties shall
         be  independent  contractors  and that  the  relationship  between  the
         Parties shall not  constitute a  partnership,  joint venture or agency.
         Neither  Party  shall  have  the  authority  to  make  any  statements,
         representations  or  commitments  of any kind,  or to take any  action,
         which shall be binding on the other  Party,  without the prior  written
         consent of the other Party to do so.

19.6     Severability:  Each Party hereby  acknowledges that it does not intend
         to  violate  any  public  policy,  statutory  or common  laws,  rules,
         regulations,  treaty or decision of any government agency or executive
         body thereof of any country or community or  association of countries.
         Should one or more  provisions of this Agreement be or become invalid,
         the  Parties  hereto  shall  substitute,   by  mutual  consent,  valid
         provisions for such invalid provisions which valid provisions in their
         economic  effect are  sufficiently  similar to the invalid  provisions
         that it can be reasonably  assumed that the parties would have entered
         into this  Agreement  with such  provisions.  In case such  provisions
         cannot be agreed upon, the invalidity of one or several  provisions of
         this  Agreement  shall not affect the validity of this  Agreement as a
         whole, unless the invalid provisions are of such essential  importance
         to this Agreement that it is to be reasonably assumed that the Parties
         would  not have  entered  into  this  Agreement  without  the  invalid
         provisions.

19.7     Force Majeure: Neither Party hereto shall be held liable or responsible
         to the other  Party nor be deemed to have  defaulted  under or breached
         this  Agreement for failure or delay in  fulfilling  or performing  any
         term of this  Agreement  when  such  failure  or delay is  caused by or
         results from causes beyond the reasonable control of the affected Party
         including but not limited to fire, floods,  embargoes, war, acts of war
         (whether war be


                                      -24-


<PAGE>

         declared or not),  insurrections,  riots,  civil  commotions,  strikes,
         lockouts or other labor disturbances, acts of God or acts, omissions or
         delays in  acting  by any  governmental  authority  or the other  Party
         hereto.

19.8     Interest:  In the event any amount due and payable under this Agreement
         is not paid by the due date, then the Party owing such amount shall pay
         to the creditor,  without being requested by the other Party,  interest
         on the  total  outstanding  amount  at the  rate  equal  to the  London
         Interbank  Offered  Rate  (,,LIBOR"),  as  published in the Wall Street
         Journal (Europe) on the date that such payment falls due,  increased by
         three percent (3%), in United States  Dollars and adjusted on the first
         day of every calendar quarter.

19.9     Headings:  The titles and headings used in this  Agreement are intended
         for  convenience  only and shall not in any way affect  the  meaning or
         construction of any provision of this Agreement.

19.10    Waiver: The waiver by either Party hereto of any right hereunder or the
         failure  to  perform  or of a breach  by the other  Party  shall not be
         deemed a waiver of any other right  hereunder or of any other breach or
         failure by said other Party whether of a similar nature or otherwise.

19.11    Counterparts:   This   Agreement   may  be  executed  in  two  or  more
         counterparts,  each of which  shall be deemed an  original,  but all of
         which together shall constitute one and the same instrument.


                                   ARTICLE 20
                       DISPUTE RESOLUTION AND ARBITRATION

20.1     In the event of any dispute arising between the Parties concerning this
         Agreement,  GENTA JAGO and  KRYPTON  agree that in the first place they
         shall meet for good faith  discussions  in an attempt to  negotiate  an
         amicable solution.

20.2     Any dispute  arising  between the Parties out of or in connection with
         this Agreement, or the interpretation,  breach or enforcement thereof,
         which  cannot be  amicably  resolved  pursuant  to Section  20.1 above
         within two (2) months as from the first  appearance  of such  dispute,
         shall be finally  resolved  by binding  arbitration.  Whenever a Party
         shall  decide to  institute  arbitration  proceedings,  it shall  give
         written  notice  to  that  effect  to all of the  other  Parties.  Any
         arbitration   hereunder   shall  be  conducted   under  the  Rules  of
         Conciliation and Arbitration of the International Chamber of Commerce.
         Any such  arbitration  shall be conducted in the English language by a
         panel of three  (3)  arbitrators  appointed  in  accordance  with such
         rules, and shall be held in PARIS,  FRANCE. The arbitrators shall have
         the authority to grant specific performance, and to allocate among the
         parties  the costs of  arbitration  in such  equitable  manner as they
         determine.  Judgment  upon the award so rendered may be entered in any
         court having jurisdiction or application may be made to such court for
         judicial  acceptance  of  any  award  so  rendered  and  an  order  of
         enforcement,  as the case may be.  Whether a claim,  dispute  or other
         matter  in  question  would be  barred by the  applicable  statute  of
         limitations,  which also  shall  apply to any  arbitration  under this
         section,  shall be determined by binding arbitration  pursuant to this
         section.


                                      -25-


<PAGE>

20.3     Notwithstanding anything contained in this Article 20, either Party may
         seek  preliminary  or  injunctive  measures or relief in any  competent
         court having jurisdiction.


                                   ARTICLE 21
                                 APPLICABLE LAW

         The Parties hereto agree that this Agreement, all transactions executed
         hereunder  and all  relationships  between  the  Parties in  connection
         therewith  shall be  construed  under  and be  governed  by the laws of
         Switzerland  without  reference  to  the  conflict  of  law  principals
         thereof,  and shall not be governed by the United Nations Convention on
         Contracts for the International Sale of Goods.


IN WITNESS WHEREOF,  the Parties have executed this Agreement as of the 31st day
of October 1996.


GENTA JAGO TECHNOLOGIES B.V.


/s/ Thomas M. Adams                          /s/ Jacques Gonella
- - - -------------------                          -------------------
by:  Dr. Thomas H. Adams                     by:  Dr. Jacques Gonella
its:  Managing Director                      its:  Managing Director


KRYPTON LTD.

/s/
- - - ------------------
by:
its:



The Licensor, Jagotec AG, hereby agrees to be bound by the obligations contained
in Section 17.5 of this Agreement.

JAGOTEC AG



/s/ Jacques Gonella                          /s/
- - - -------------------                          -------------------
by:                                          by:
its:                                         its:


                                      -26-



                                                                   Exhibit 10.94
                        CONFIDENTIAL TREATMENT REQUESTED

                       DEVELOPMENT & SUB-LICENSE AGREEMENT
                                   DICLOFENAC



This DEVELOPMENT AND SUB-LICENSE  AGREEMENT (this  "AGREEMENT"),  effective from
the date last written hereunder, is entered into between GENTA JAGO TECHNOLOGIES
B.V.,  a Dutch  company,  having a place of  business at  Grundstrasse  12, 6343
Rotkreuz,  Switzerland  (hereinafter  referred to as "GENTA JAGO"),  and KRYPTON
LTD.,  a  Gibraltar  limited  company,  having a place of business at East Wing,
Second Level, Hadfield House, Library Street, Gibraltar (hereinafter referred to
as "KRYPTON")


                                   WITNESSTH:


WHEREAS,  GENTA JAGO has  expertise  in the  development  of  controlled-release
formulations for pharmaceutical agents and in particular has exclusive rights to
proprietary know-how and technology generally known and commercialized under the
registered  trademark  GEOMATRIX(R) and as described and embodied in the Patents
(as defined below) with respect to a Bioequivalent Product (as defined below) to
* and

WHEREAS,  KRYPTON is a company  which  markets  pharmaceutical  products  and is
interested in developing Prototype Formulations (as defined below) for the Final
Product (as defined below) and in seeking the approval of Regulatory Authorities
(as defined below) to  manufacture,  or have  manufactured  and market the Final
Product in the Territory (as defined below); and

WHEREAS, GENTA JAGO is prepared to conduct or have conducted certain studies and
the development of the Prototype Formulations and Final Product; and

WHEREAS,  GENTA  JAGO is  prepared  to grant to  KRYPTON  under  the  terms  and
conditions  set forth  hereafter a sub-license  under the Patents,  GEOMATRIX(R)
Technology  and Know-How (as defined below) to conduct  studies  relating to the
Prototype Formulations and, upon receipt of approval by the Regulatory Authority
(as defined  below),  to manufacture or have  manufactured,  market and sell the
Final Product in the Territory.

NOW, THEREFORE,  for and in consideration of the premises,  mutual covenants and
agreements  contained  herein and  intending  to be legally  bound  hereby,  the
Parties hereby agree as follows:


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<PAGE>

                                    ARTICLE 1
                                   DEFINITIONS

For purposes of this  Agreement,  the terms defined in this Article 1 shall have
the following meanings:

1.1      "Active Ingredient" shall mean Diclofenac.

1.2      "Affiliate"  shall  mean,  with  respect to either  Party  hereto,  any
         corporation,  partnership or other entity controlled by, controlling or
         under common control with, such Party, with "control" meaning direct or
         indirect beneficial  ownership of more than 50% of the voting power of,
         or  more  than  50%  of  ownership   interest  in,  such   corporation,
         partnership or other entity.

1.3      "ANDA" shall mean any Abbreviated New Drug  Application  filed with the
         FDA, by or for KRYPTON  requesting  authorization to manufacture,  have
         manufactured or sell the Final Product in the United States of America,
         or any equivalent  application  to a Regulatory  Authority in any other
         country of the Territory.

1.4      "Bioequivalent   Product"  shall  mean  a  drug  product   meeting  the
         bioequivalence  requirements  imposed by the FDA for in vitro and/or in
         vivo  testing as set forth in the  regulations  of the FDA at 21 C.F.R.
         ss.320 (,,AB Equivalent  Rating"),  as they may be amended from time to
         time.

1.5      "Competitive  Product"  shall  mean any  product  other  than the Final
         Product  or the  Originator  which is a  Bioequivalent  Product  of the
         Originator   and  is  marketed   and  sold  in  the   Territory   on  a
         country-to-country basis.

1.6      "FDA" shall mean the U.S. Federal Food and Drug Administration and any
         successor agency thereof.

1.7      "Final  Product"  shall  mean  the  pharmaceutical  orally-administered
         controlled-release  formulation(s)  containing  the Active  Ingredient,
         presented as a compressed tablet developed  pursuant to this Agreement,
         based on the GEOMATRIX(R)  Technology and being a Bioequivalent Product
         of the  Originator,  of a  Competitive  Product or of any other product
         containing the Active Ingredient.

1.8      "GEOMATRIX(R)  Technology" shall mean the oral  controlled-release drug
         delivery and related technology  licensed to GENTA JAGO by the Licensor
         which  utilizes  a  hydrophilic  drug-containing  matrix  tablet  which
         controls the release of the drug through the use of one or more barrier
         layers.

1.9      "Gross Margin" shall mean, with respect to any Final Product, Net Sales
         less only the direct  cost of such Final  Product  sold,  i.e.  (a) raw
         material  cost,   (b)  direct  labor  cost,  (c)  reasonably   directly
         allocatable  overhead  cost  (e.g.  energy  cost),  (d)  packaging  and
         labeling  cost,  and (e)  other  costs  directly  associated  with  the
         manufacturing of such Final


                                       -2-


<PAGE>

         Product (e.g. quality control).  No other deductions from Net Sales are
         permissible  for the  calculation  of Gross Margin,  including  without
         limitation, sales, marketing and distribution costs. Alternatively,  in
         the event that KRYPTON  sub-contracts  the  manufacturing  of any Final
         Product to a third  party,  then  ,,Gross  Margin" with respect to such
         Final Product shall mean Net Sales less only the manufacturing costs as
         invoiced by such manufacturing third party  sub-contractor and actually
         paid by KRYPTON.

1.10     "Know-How"  shall  mean  all  information  and  data,  which  are  not
         generally  known  including,  but not  limited to,  patent  claims and
         related  information  not  yet  disclosed  to  the  public,  formulae,
         procedures,  protocols,  techniques and results of experimentation and
         testing, which (a) relate to the GEOMATRIX(R)Technology, any Prototype
         Formulation  or any Final  Product,  or (b) are necessary or useful to
         develop, make or use any Prototype  Formulation,  or (c) are necessary
         or useful to develop, seek regulatory approval,  make, use or sell any
         Final Product,  all to the extent presently or during the term of this
         Agreement  licensed  or  otherwise   available  to  and  at  the  free
         disposition of GENTA JAGO.

1.11     "License  Agreements" shall mean the license agreements entered into by
         and  between  GENTA JAGO and the  Licensor,  under  which the  Licensor
         granted  GENTA JAGO the rights in the  Patents,  the  Know-How  and the
         GEOMATRIX(R)   Technology,   which  are  the  subject   matter  of  the
         sub-license referred to in Article 11. below.

1.12     "Licensor" shall mean Jagotec AG, a Swiss corporation, having its place
         of business at Seestrasse 91, CH-6052 Hergiswil, Switzerland.

1.13     "Net  Sales"  shall  mean,  with  respect  to any Final  Product,  the
         invoiced  sales price of such Final  Product in finished  package form
         invoiced by KRYPTON and/or its Affiliates to any independent  customer
         other  than  KRYPTON's  Affiliates,  less  (a)  credits,   allowances,
         discounts and rebates to, and  charge-backs  from the account of, such
         independent  customers for spoiled,  damaged,  out-dated,  rejected or
         returned  Final  Product;  (b)  actual  freight  and  insurance  costs
         incurred and paid by KRYPTON  and/or its  Affiliates  in  transporting
         such  Final  Product in final form to such  customers;  (c)  customary
         cash, quantity and trade discounts and other price reduction programs;
         (d) sales, use,  value-added and other direct taxes (but excluding any
         income  tax)  actually   incurred  and  paid  by  KRYPTON  and/or  its
         Affiliates;  and (e) customs duties, surcharges and other governmentl
         charges  incurred by KRYPTON and/or its Affiliates in connection  with
         the exportation or importation of such Final Product in final form.

1.14     "Originator"  shall mean * actually marketed in the United States by *
         or any other pharmaceutical  products containing the Active Ingredient
         and being marketed in the Territory.

1.15     "Patents" shall mean all patents and patent applications  heretofore or
         hereafter filed or having presently or in the future legal force in any
         country of the Territory,  licensed by the Licensor to GENTA JAGO which
         claim  the  GEOMATRIX(R)  Technology  or  the  process  to  manufacture
         Prototype Formulations and/or Final Product by use of, or the


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                                       -3-


<PAGE>

         use of, the GEOMATRIX(R)  Technology,  including but not limited to the
         patents and patent applications  listed in APPENDIX A hereto,  together
         with all patents that in the future  issue  therefrom in any country of
         the  Territory,   including  utility,  model  and  design  patents  and
         certificates  of  invention,   and  all   divisionals,   continuations,
         continuations-in- part, reissues, renewals, extensions,  substitutions,
         confirmations or additions to any such patents and patent applications,
         all to the  extent  presently  or  during  the  term of this  Agreement
         licensed or otherwise available to and at the free disposition of GENTA
         JAGO.

1.16     "Prototype  Formulations"  shall mean the oral delivery  system for the
         Active Ingredient based on the GEOMATRIX(R)  Technology that reasonably
         meet the Specifications.

1.17     "Regulatory  Authority" shall mean the FDA or any equivalent competent
         regulatory authority in any other countries of the Territory.

1.18     "Specifications" shall mean the Products specifications to be mutually
         agreed upon.

1.19     "Territory" shall mean *.


                                    ARTICLE 2
                              DEVELOPMENT PREAMBLE

2.1      At the date of execution of this  Agreement,  GENTA JAGO has  performed
         certain preliminary  development efforts for the Prototype Formulation.
         This development is hereby incorporated in this Agreement.

2.2      GENTA JAGO  undertakes  to conduct the  development  of the  Prototype
         Formulation(s)  and the Final Product in an efficient and professional
         manner.  KRYPTON  shall  actively  support  GENTA JAGO  regarding  the
         development  and  studies  to be  executed  by  GENTA  JAGO  as may be
         reasonably  required by GENTA JAGO from time to time.  In  particular,
         KRYPTON shall provide information  reasonably  requested by GENTA JAGO
         relating  to the  Originator  and to the  Active  Ingredient  for  the
         purposes of carrying out this development,  including, but not limited
         to,  physico-chemical  characteristics,  safe- handling  instructions,
         in-vitro  analytical methods,  degradation  products and standards and
         analytical methods therefore.  Additionally,  KRYPTON shall provide to
         GENTA JAGO  requested  data and adequate  quantities of samples of the
         Originator  for the  purposes of  conducting  the  Feasibility  Study.
         KRYPTON,  however,  shall  not  be  required  to  provide  information
         regarding the  Originator  which is not in the public  domain,  unless
         KRYPTON is duly  authorized  to possess and disclose  such  non-public
         information.  Any costs and expenses incurred by KRYPTON in connection
         with such support shall be borne by KRYPTON.

2.3      Due to the nature and complexity of the development and the respective
         studies as set forth in this  Agreement,  the  Parties  recognize  and
         acknowledge  that  problems and delays may occur which render the time
         limits  set  forth in this  Agreement  and/or  the  time-frame  of the
         development  as  mutually  agreed  upon  difficult  or  impossible  to
         accomplish.  The Parties agree that they shall immediately inform each
         other in writing in the event that


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                                       -4-


<PAGE>
         significant problems or delays are encountered or envisaged during the
         course of the  development  and shall discuss such problems and delays
         in order to agree on a mutually acceptable revision of the time limits
         set in this  Agreement  and/or the  time-frame as previously  mutually
         agreed upon.

2.4      Together  with the notice  from  KRYPTON  referred  to in Section  3.1
         below, KRYPTON, or its designated supplier, shall supply GENTA JAGO on
         a free-of-charge basis with sufficient quantities of Active Ingredient
         to perform the development program intended  hereunder.  Such supplies
         shall be  accompanied  with  respective  certificates  of analysis and
         conformity.  GENTA JAGO shall use all Active Ingredient supplied to it
         by KRYPTON  hereunder  solely and  exclusively in connection  with the
         development program as mutually agreed upon.

         Alternatively,  KRYPTON may request that GENTA JAGO obtain a supply of
         Active  Ingredient  from  a  reputable  source  having  the  necessary
         regulatory  clearances in place to allow future marketing of the Final
         Product in the Territory.  Should KRYPTON so require and GENTA JAGO so
         agree,  the chosen  supplier's  facilities,  processes and  procedures
         shall be audited by GENTA JAGO, or a third party  mutually  acceptable
         to KRYPTON  and GENTA  JAGO,  in order to ensure  compliance  with the
         appropriate  regulatory  requirements.  KRYPTON  shall * of GENTA JAGO
         incurred in carrying out, or having carried out such audit. GENTA JAGO
         shall  provide  KRYPTON with a copy of the audit report  within thirty 
         (30) days as of the completion of the audit.

2.5      In the event that the Parties  mutually  agree that GENTA JAGO becomes
         responsible for the supply of Active Ingredient, KRYPTON shall * GENTA
         JAGO for any and all shipping and transportation costs, import duties,
         taxes or other costs  incurred by GENTA JAGO in  connection  with such
         supply of Active  Ingredient  upon receipt of GENTA JAGO's  respective
         invoices.

                                    ARTICLE 3
                                FEASIBILITY STUDY

3.1      KRYPTON shall initiate the development program contemplated  hereunder
         as soon as  technically  feasible and within the time limits set forth
         in the mutually accepted  development program by giving written notice
         to that  effect to GENTA  JAGO.  Not later than two (2)  months  after
         receipt of (i) such  notice,  (ii) * and (iii) the Active  Ingredient,
         GENTA JAGO shall commence the feasibility  study under this Article 3.
         and shall use its  commercially  reasonable  efforts  to  develop  the
         Prototype  Formulations.  Up to three (3) of the  developed  Prototype
         Formulations  shall be chosen by mutual  agreement  by the Parties for
         further study and development.


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<PAGE>

         The Parties  recognize  that the  Specifications  mutually  agreed upon
         eventually  will need to be updated with more  detailed  specifications
         for the Final  Product  in the course of the  development,  and in such
         case the Parties agree to mutually agree on any reasonable amendment of
         the Specifications.

3.2      The development of the Prototype  Formulations shall include,  but not
         necessarily be limited to, the following elements:

         (a)   Development and establishment of analytical  methodology specific
               to the characterization of such Prototype Formulations;

         (b)   Qualitative and quantitative characterization of such Prototype 
               Formulation;

         (c)   In-vitro  release  profile  characterization  of  such  Prototype
               Formulations and the Originator by using appropriate  methodology
               mutually agreed to by the Parties;

         (d)   Elaboration  of pre-scale up  procedures  and the  production  of
               samples (2000 units +/- 10%) of the chosen Prototype Formulations
               for   evaluation   by   KRYPTON,   and  for  use  in  the   Pilot
               Pharmacokinetic Study under Article 4. below; and

         (e)   Accelerated  stability  testing  of  Prototype   Formulations  to
               provide *.

3.3      GENTA JAGO will ensure the use of generally  accepted standards of Good
         Laboratory and  Manufacturing  Practices  during the performance of the
         feasibility study.

3.4      Within thirty (30) days of the  completion of the  feasibility  study,
         GENTA JAGO shall supply KRYPTON with a report (the ,,Feasibility Study
         Report")  reasonably   detailing  the  development  of  the  Prototype
         Formulation(s) and containing one (1) month accelerated stability data
         only. A supplement  to the  Feasibility  Study Report  containing  the
         * accelerated stability data will be forwarded sixty (60) days later.

3.5      Prior to the  commencement of the  Feasibility  Study GENTA JAGO shall
         submit to KRYPTON * for the entire  Feasibility Study which * shall be
         reasonably acceptable to KRYPTON. KRYPTON shall reimburse GENTA JAGO's
         *,  reasonably  incurred by GENTA JAGO during the  Feasibility  Study,
         including  but not  limited to costs,  expenses  and fees paid to Jago
         Pharma and third party  contractors,  by the payment of non-refundable
         development  fees. Such development costs shall be refunded by KRYPTON
         to GENTA JAGO * upon  receipt by KRYPTON of an invoice from GENTA JAGO
         or Jago Pharma AG.

3.6      In the event that the results of the  feasibility  study  conclusively
         demonstrate  that no Prototype  Formulation  has been developed  which
         reasonably  meets  the   Specifications   to  the  good  faith  mutual
         satisfaction  of KRYPTON  and GENTA JAGO,  the Parties  agree to enter
         into good faith  negotiations  in order to  determine  an  appropriate
         course of action,  including, but not limited to, that the Parties may
         mutually agree to abandon the


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<PAGE>

         development program under this Agreement, and terminate this Agreement
         with immediate effect.

                                    ARTICLE 4
                           PILOT PHARMACOKINETIC STUDY

4.1      Included  as part of the  feasibility  study  described  in  Article 3.
         above,  KRYPTON  shall,  at its own  responsibility  and its own  cost,
         sub-contract  under  confidentiality   commitments  comparable  in  all
         material respects to the provisions set forth herein between GENTA JAGO
         and KRYPTON to an external  qualified  clinical  research  organization
         (hereinafter ,,CRO") to perform a pilot  pharmacokinetic study pursuant
         to this Article 4.

4.2      The  Pilot   Pharmacokinetic   Study  shall  consist  of  commercially
         reasonable and appropriately  designed * of the Prototype Formulations
         and the Originator.  KRYPTON shall reasonably  consult with GENTA JAGO
         in the design of the Pilot  Pharmacokinetic Study and shall review the
         final  protocol  with  GENTA JAGO  prior to  initiating  work with the
         selected sub-  contractor.  The Pilot  Pharmacokinetic  Study shall be
         conducted in  accordance  with  generally  accepted  standards of Good
         Clinical   Practice  and  in   compliance   with   Ethical   Committee
         requirements or equivalent requirements, where applicable.

4.3      Prior to the commencement of the Pilot Pharmacokinetic Study GENTA JAGO
         shall  submit to KRYPTON * for the entire Pilot  Pharmacokinetic  Study
         which * shall  be  reasonably  acceptable  to  KRYPTON.  KRYPTON  shall
         reimburse GENTA JAGO's *, reasonably  incurred by GENTA JAGO during the
         Pilot  Pharmacokinetic  Study,  including  but not  limited  to  costs,
         expenses and fees paid to Jago Pharma and third party  contractors,  by
         the payment of non-refundable  development fees. Such development costs
         shall be refunded by KRYPTON to GENTA JAGO * upon receipt by KRYPTON of
         an invoice from GENTA JAGO or Jago Pharma AG.

4.4      KRYPTON shall provide GENTA JAGO with a copy of the report (hereinafter
         referred to as the ,,Pilot  Pharmacokinetic  Study Report")  reasonably
         detailing the results of the Pilot Pharmacokinetic Study within six (6)
         weeks as of the study's  completion and presentation of the preliminary
         data for GENTA JAGO's file.

4.5      GENTA JAGO shall have no liability or  responsibility  whatsoever  with
         respect  to  such  Pilot  Pharmacokinetic   Study,   including  without
         limitation  the  availability  or quality of the  results and data from
         such Pilot  Pharmacokinetic  Study to be carried out by KRYPTON and the
         CRO.

4.6      In the  event  that the  results  of the  Pilot  Pharmacokinetic  Study
         conclusively  demonstrate that it is not fully demonstrated to the good
         faith mutual  satisfaction  of KRYPTON and GENTA JAGO that at least one
         of the Prototype Formulations reasonably meet the


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<PAGE>

         respective  Specifications,  the Parties may mutually  agree to abandon
         the  development  program and terminate  this Agreement with respect to
         such Prototype Formulation.

                                    ARTICLE 5
                             PRE-SCALE-UP ACTIVITIES

5.1      Upon completion of the Pilot Pharmacokinetic Study, KRYPTON may, at its
         option,  request  and charge  GENTA JAGO to carry out the  pre-scale-up
         activities as described in this Article 5. (hereinafter  referred to as
         the "Pre-Scale-Up Activities"). KRYPTON shall, within thirty (30) days
         as from the date of the Pilot  Pharmacokinetic  Study Report  notify in
         writing GENTA JAGO of its decision  whether to proceed with and to have
         GENTA JAGO perform the Pre-Scale-Up Activities.

5.2      Prior to the  commencement of the  Pre-Scale-Up  Activities GENTA JAGO
         shall submit to KRYPTON * for the entire Pre-Scale-Up Activities which
         * shall be reasonably  acceptable to KRYPTON.  KRYPTON shall reimburse
         GENTA JAGO's *, reasonably incurred by GENTA JAGO during the Pre-Scale
         Up  activity,  including  but not limited to costs,  expenses and fees
         paid to Jago  Pharma and third  party  contractors,  by the payment of
         non-refundable  development  fees.  Such pre  scale up costs  shall be
         refunded  by  KRYPTON  to GENTA  JAGO * upon  receipt by KRYPTON of an
         invoice from GENTA JAGO or Jago Pharma AG.

5.3      The  Pre-Scale-Up  Activities  to be  performed  by GENTA  JAGO  shall
         comprise all reasonable  activities  necessary to allow the technology
         transfer to, and  subsequent  scale- up at, the  mutually  established
         manufacturing site, including,  but not limited to, final optimization
         of  the  Prototype  Formulation  (where  necessary),  development  and
         validation  of the scale-up  manufacturing  procedure  and  analytical
         validation. Such Pre-Scale-Up Activities shall be completed within the
         time period  mutually agreed upon by the Parties in Appendix D hereto,
         calculated  as from the date of  receipt  of the  KRYPTON's  notice by
         GENTA JAGO pursuant to Section 5.1 above.

5.4      In the event  that  additional  clinical  testing,  including  without
         limitation, confirming pharmacokinetic studies, is reasonably required
         or deemed necessary beyond the program  envisaged in this Agreement in
         order to satisfy the FDA  requirements  for an NDA or ANDA approval of
         the  Product,  KRYPTON  and GENTA  JAGO  shall meet to discuss in good
         faith the  appropriate  course of action to be followed and agree upon
         any such  additional  testing to be performed,  provided that any such
         additional testing shall in any event be funded solely by KRYPTON.

5.5      Not later than upon the initiation of the Pre-Scale-Up Activities,  the
         Parties shall establish and mutually agree upon a  manufacturing  site,
         where the Bio-Batches referred to in Section 7.2 below required for the
         pivotal  clinical  studies will be produced and where the Final Product
         shall be manufactured  for commercial use after FDA approval(s) for the
         Final Product have been granted.


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                                    ARTICLE 6
                        PRE-PIVOTAL PHARMACOKINETIC STUDY

6.1      Included as part of the Pre-Scale-Up Activities,  KRYPTON shall at its
         own  responsibility and its own cost, perform or have performed with a
         CRO selected by KRYPTON, a pre- pivotal pharmacokinetic study pursuant
         to this Article 6. (hereinafter  referred to as "Pre- Pivotal Study").
         Such  Pre-Pivotal  Study shall consist of *, to select the best of the
         Prototype  Formulations  for  each  dose  strength  to be  used in the
         further development under this Agreement.

6.2      The  Pre-Pivotal  Study  shall be  performed  in the  United  States of
         America.  KRYPTON shall  consult,  review and mutually agree with GENTA
         JAGO on the design and final protocol of such  Pre-Pivotal  Study prior
         to initiating work with the selected CRO.

6.3      KRYPTON shall  reimburse to GENTA JAGO the * incurred by GENTA JAGO to
         cover its workload for preparation and consulting of such  Pre-Pivotal
         Study.  Such development costs shall be paid by KRYPTON * upon receipt
         by KRYPTON of an invoice from GENTA JAGO or Jago Pharma AG.

6.4      KRYPTON shall  provide GENTA JAGO with a copy of the report  detailling
         the  results  of the  Pre-Pivotal  Study  within  ten (10)  days of its
         completion for GENTA JAGO's file. GENTA JAGO shall have no liability or
         responsibility  whatsoever  with  resupect to such  Pre-Pivotal  Study,
         including without  limitation,  the performance or conduct of such Pre-
         Pivotal  Study or the  availability  or quality of the results and data
         from such Pre-Pivotal Study to be carried out by KRYPTON and the CRO.

6.5      Upon  completion  of the  Pre-Pivotal  Study and  availability  of the
         results of such Pre- Pivotal  Study,  the Parties  shall  consult with
         each other on such  results  and  mutually  agree in writing  upon the
         Prototype  Formulation  to be selected for further  development  under
         this Agreement. In the event that the results of the Pre-Pivotal Study
         are  unsatisfactory  in that it is not fully  demonstrated to the good
         faith  mutual  satisfaction  of the  Parties  that at least one of the
         Prototype Formulations meet the respective Specifications, KRYPTON may
         elect to abandon the development  program and terminate this Agreement
         with respect to such Prototype Formulation by giving written notice to
         that effect to GENTA JAGO.

                                    ARTICLE 7
                               FURTHER ACTIVITIES

7.1      Technology Transfer

         Upon mutual  agreement  of the  Prototype  Formulation  to be used for
         development  as referred to in Section 6.5 above,  GENTA JAGO shall be
         responsible  for and initiate the technology  transfer to, and perform
         the scale-up  at, the  manufacturing  site  mutually  established  and
         agreed upon by the  Parties.  GENTA JAGO  agrees that such  technology
         transfer,  and in particular the aspects of scale-up and validation of
         the manufacturing


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*  Confidential treatment requested.  The redacted material has been separately
   filed with the Commission.


                                       -9-


<PAGE>

         process shall be carried out by GENTA JAGO on such  equipment as shall
         eventually  be used by KRYPTON  or a third  party to  manufacture  the
         Final  Product.  Upon  completion of such  scale-up,  GENTA JAGO shall
         notify KRYPTON thereof in writing.

7.2      Production of Industrial Scale Batches

         Upon receipt by KRYPTON of GENTA JAGO's  notice  referred to in Section
         7.1 above,  the Parties  shall  initiate  the  production  of three (3)
         industrial scale batches (hereinafter "Bio-Batches") on such equipment
         as shall  eventually  be used KRYPTON or a third party to  commercially
         manufacture the Final Product,  based on the Prototype Formulation (the
         size of each  Bio-Batch to be not less than the greater of (i) 10% (ten
         percent) of the  anticipated  initial  commercial  batch size,  or (ii)
         100,000 tablets),  according to Current Good  Manufacturing  Practices,
         such  Bio-Batches  to be  subsequently  used for stability  testing and
         pivotal clinical studies;  provided however, that GENTA JAGO shall have
         the  ultimate  responsibility  with  respect  of any and all  technical
         aspects  of  such  production  of  batches  related  to the  technology
         transfer and the implementation of such technology in the manufacturing
         site.

7.3      Funding of Further Activities

         (a)      Prior to the  commencement of any activities  under Sections
                  7.1 and 7.2 above  GENTA JAGO shall  submit to KRYPTON * for
                  such  further   activities   which  *  shall  be  reasonably
                  acceptable  to KRYPTON.  KRYPTON shall refund GENTA JAGO's *
                  reasonably incurred by GENTA JAGO under Sections 7.1 and 7.2
                  above, including but not limited to costs, expenses and fees
                  paid to Jago  Pharma  and third  party  contractors,  by the
                  payment of  non-refundable  development  fees.  Such further
                  development  costs  shall  be  refunded  by  KRYPTON  * upon
                  receipt by  KRYPTON  of an  invoice  from GENTA JAGO or Jago
                  Pharma AG.

         (b)      Furthermore,  KRYPTON shall be  responsible,  at its own cost,
                  for the supply of all raw material including,  but not limited
                  to, the Active Ingredients  required or necessary for, and all
                  additional costs and expenses  whatsoever arising out of or in
                  connection  with, the production of the Bio-Batches  described
                  in Section 7.2 above and all other costs  associated  with the
                  use  of  facilities,   technology   transfer,   equipment  and
                  analytical services.

7.4      Stability Testing

         (a)      KRYPTON  shall  be  responsible  for  and  perform  or  have
                  performed  at its own cost,  the  stability  testing  of the
                  Final Product according to the then current  requirements of
                  the  FDA  in  bulk  packaging  and in  the  final  packaging
                  materials.   GENTA   JAGO  shall   have  no   liability   or
                  responsibility  whatsoever  with  respect to such  stability
                  testing,  including without  limitation,  the performance or
                  conduct of such  stability  testing or the  availability  or
                  quality of the results and data from such


- - - -------------
*  Confidential treatment requested.  The redacted material has been separately
   filed with the Commission.


                                      -10-


<PAGE>

                  stability testing to be carried out or requested by KRYPTON.

         (b)      KRYPTON  shall  provide  to  GENTA  JAGO  with a  copy  of all
                  stability  testing  data  within  thirty  (30) days  after the
                  completion  of  each  stability  testing  period  (hereinafter
                  referred  to as the "Final  Stability  Testing  Report")  for
                  GENTA JAGO's file.

         (c)      GENTA JAGO agrees to provide additional technical assistance
                  and  consultation as may be reasonably  requested by KRYPTON
                  in  connection  with  the  stability  testing  of the  Final
                  Product.  KRYPTON  shall pay to GENTA JAGO for such services
                  provided  by GENTA  JAGO's  or Jago  Pharma's  personnel  an
                  amount  of USD * or part  thereof  spent,  and  furthermore,
                  KRYPTON shall  reimburse  GENTA JAGO for all  reasonable and
                  documented  travel related  expenses of GENTA JAGO personnel
                  who travel at  KRYPTON's  request to  locations  remote from
                  such personnel's usual working location.

7.5      Further Provisions

         In the event that  KRYPTON  and GENTA JAGO  shall  reasonably  deem the
         results or data from any of the  activities  to be  performed by either
         Party  under this  Article  7. with  respect  to any dose  strength  be
         unsatisfactory  for any  reason,  the  Parties  may  mutually  agree to
         abandon the  development  program and  terminate  this  Agreement  with
         immediate effect.


                                    ARTICLE 8
                             PIVOTAL CLINICAL STUDY

8.1      Promptly  upon  completion  of the further  activities  referred to in
         Article 7. above, KRYPTON shall, at its own responsibility and its own
         cost, sub-contract under confidentiality commitments comparable to the
         provisions  set forth  herein  between  GENTA  JAGO and  KRYPTON to an
         external qualified CRO of its choice,  reasonably  acceptable to GENTA
         JAGO,  to  perform  and manage a series of  pivotal  clinical  studies
         (hereinafter,,Clinical  Studies") in man required and/or necessary for
         any  subsequent  NDA or ANDA for the Final Product in accordance  with
         the then current requirements of the FDA.

8.2      KRYPTON shall  consult,  review and agree with GENTA JAGO on the design
         and the final  protocol of such  Clinical  Studies  prior to initiating
         work with the selected subcontractor.

8.3      KRYPTON  shall  reimburse to GENTA JAGO the * incurred by GENTA JAGO to
         cover its workload for  preparation  and  consulting  of such  Clinical
         Studies. Such development costs shall be paid by KRYPTON * upon receipt
         by KRYPTON of an invoice from GENTA JAGO or Jago Pharma AG.


- - - -------------
*  Confidential treatment requested.  The redacted material has been separately
   filed with the Commission.


                                      -11-


<PAGE>


8.4      KRYPTON shall  provide  GENTA JAGO with a copy of the report  detailing
         the  results  of the  Clinical  Studies  within  ten  (10)  days of its
         completion for GENTA JAGO's file.

8.5      GENTA JAGO shall have no liability or  responsibility  whatsoever  with
         respect to such Clinical  Studies,  including without  limitation,  the
         performance or conduct of such Clinical  Studies or the availability or
         quality  of the  results  and data from  such  Clinical  Studies  to be
         carried out or requested by KRYPTON.

8.6      In the event  that the  results of the  Pivotal  Clinical  Studies  are
         unsatisfactory  in that it is not fully  demonstrated to the good faith
         mutual  satisfaction  of  KRYPTON  and GENTA  JAGO  that the  Prototype
         Formulation reasonably meets the respective Specifications, the Parties
         may mutually  agree to abandon the  development  program and  terminate
         this Agreement with respect to such dose strength.


                                    ARTICLE 9
                     THE REGULATORY (NDA OR ANDA) SUBMISSION

9.1      Upon  completion of the Clinical  Studies,  KRYPTON may, at its option,
         elect to prepare  and submit to the FDA an NDA or ANDA.  KRYPTON  shall
         notify GENTA JAGO of its  election to exercise or not to exercise  this
         option by giving  written  notice  thereof to GENTA JAGO within  thirty
         (30)  days  as of the  availability  of  the  results  of the  Clinical
         Studies.

9.2      In the event that KRYPTON elects pursuant to Section 9.1 above to make
         NDA or ANDA submission(s) to any Regulatory  Authority with respect to
         a Final Product,  KRYPTON shall have sole liability and responsibility
         for the prosecution, conduct and results of such NDA or ANDA and shall
         bear all costs in connection therewith.  KRYPTON, at KRYPTON's option,
         may elect by written notice to GENTA JAGO prior to commencement of the
         technology  transfer  referred to in Section 7.1 above to have the NDA
         or ANDA  dossier  prepared  on its behalf by a  qualified  third party
         acceptable to GENTA JAGO.  KRYPTON shall be liable and responsible for
         any and all costs associated with such sub-contracting.

9.3      KRYPTON or its chosen sub-contractor shall consult with GENTA JAGO, and
         GENTA  JAGO  agrees to  provide  additional  technical  assistance  and
         consultation  as may be  reasonably  requested by KRYPTON or the chosen
         sub-contractor,  in connection  with the preparation and prosecution of
         any NDA or ANDA or with the  preparation of the dossier to be submitted
         to the FDA.  KRYPTON  shall  pay to GENTA  JAGO for such  services  and
         consultation  provided by GENTA JAGO's  personnel an amount of USD * or
         any part thereof spent. Furthermore, KRYPTON shall reimburse GENTA JAGO
         for  reasonable and  documented  travel-related  expenses of GENTA JAGO
         personnel who travel at KRYPTON's request to the elected  manufacturing
         facility(ies)  or other locations  remote from such  personnel's  usual
         working location.


                                      -12-


<PAGE>


                                   ARTICLE 10
                         PROPRIETARY RIGHTS AND PATENTS

10.1     Patents and Proprietary Rights of GENTA JAGO

         (a)      The Licensor and GENTA JAGO, respectively,  shall retain title
                  to  and  ownership  of  Patents,   Know-How  and  GEOMATRIX(R)
                  Technology licensed to GENTA JAGO, including,  but not limited
                  to,  any and  all  developments  and  inventions  relating  to
                  Patents,  Know-How and  GEOMATRIX(R)  Technology  (hereinafter
                  collectively referred to as "GENTA JAGO IPR").

         (b)      KRYPTON  shall  not,   directly  or  indirectly   through  its
                  officers,  directors,  employees,  agents,  customers or other
                  controlled   or   associated   third   parties,   acquire  any
                  proprietary  interest  in or other  right to GENTA  JAGO  IPR,
                  other than provided in this Agreement.

         (c)      GENTA JAGO shall use all commercially reasonable efforts, at
                  its own cost,  to cause the  Licensor to prepare,  prosecute
                  and   maintain   all   patent   applications   and   patents
                  constituting  Patents,  and  shall  keep  KRYPTON  fully and
                  promptly  informed on any  developments or changes  relating
                  thereto.  If the Licensor  decides not to further  prosecute
                  any  patent  application  constituting  Patents,  GENTA JAGO
                  shall  promptly  inform KRYPTON of such decision in writing,
                  and the Parties  shall,  upon KRYPTON's  reasonable  written
                  request,  meet with the  Licensor to discuss any  reasonable
                  appropriate action. During the term of this Agreement, GENTA
                  JAGO  shall,   at  its  sole  cost,  use  all   commercially
                  reasonable  efforts to cause the  Licensor to take all steps
                  necessary to maintain Patents to the extent GENTA JAGO deems
                  commercially  reasonable.  If the  Licensor  decides  not to
                  maintain any patent constituting  Patents,  GENTA JAGO shall
                  promptly inform KRYPTON of such decision in writing, and the
                  Parties shall,  upon KRYPTON's  reasonable  written request,
                  meet with the Licensor to discuss any reasonable appropriate
                  action.  Notwithstanding the foregoing, KRYPTON acknowledges
                  to  GENTA  JAGO  that  Licensor  has  the  final   authority
                  regarding such  preparation,  prosecution and maintenance of
                  all patent applications and patents.

10.2     Patents and Proprietary Rights for Final Products

         (a)      KRYPTON   shall   retain   title  to  and   ownership  of  all
                  developments, whether patentable or not, relating specifically
                  and  exclusively  to the Final  Products,  provided  that such
                  developments  are  entirely  independent  of any and all GENTA
                  JAGO IPR (hereinafter collectively referred to "Final Product
                  IPR").

         (b)      KRYPTON shall be responsible for and shall control, at its own
                  cost,  the  preparation,  prosecution  and  maintenance of all
                  Final Product IPR and shall keep GENTA JAGO fully and promptly
                  informed  on any  developments  or changes  relating  thereto.
                  During the term of this Agreement,  KRYPTON shall, at its sole
                  cost,  take all steps  necessary to prosecute  and/or maintain
                  all Final Product IPR


                                      -13-


<PAGE>



                  to  the  extent  KRYPTON  deems  commercially  reasonable.  If
                  KRYPTON intends not to further  prosecute  and/or maintain any
                  of the Final Product IPR,  KRYPTON shall promptly inform GENTA
                  JAGO of such  intention in writing,  and GENTA JAGO shall have
                  the  right  and  option,  but  not  the  obligation,  to  have
                  transferred  to it sole title to and  ownership  in such Final
                  Product  IPR free of any charge by giving  respective  written
                  notice  thereof to KRYPTON within thirty (30) days after GENTA
                  JAGO's receipt of KRYPTON's notice referred to above.

         (c)      In the  event  GENTA  JAGO has and  exercises  its right and
                  option   referred   to  Section   10.2  (b)  above  to  have
                  transferred to it any such Final Product IPR,  KRYPTON shall
                  promptly   undertake  any  and  all  steps  required  and/or
                  necessary to transfer  title to and  ownership of such Final
                  Product  IPR to GENTA  JAGO.  In the event  that  GENTA JAGO
                  exercises its option to have  transferred such Final Product
                  IPR from  KRYPTON to GENTA JAGO,  GENTA JAGO shall  maintain
                  such Final Product IPR during the term of this  Agreement to
                  the  extent  GENTA JAGO deems  commercially  reasonable  and
                  shall bear all cost associated  therewith incurred after the
                  date of GENTA JAGO's notice to KRYPTON exercising its option
                  referred  to in Section  10.2 (b) above.  In such case,  the
                  Parties  shall   negotiate  in  good  faith  the  terms  and
                  condition, under which such Final Product IPR transferred to
                  GENTA JAGO shall be  included  in the  License  pursuant  to
                  Article 11. below.

10.3     Notification of Infringement

         (a)      If KRYPTON becomes aware of (i) any product or activity of any
                  kind that involves or may involve an infringement or violation
                  of GENTA JAGO IPR or Final Product IPR or (ii) any third-party
                  action,  claim or  dispute  (including,  but not  limited  to,
                  actions for  declaratory  judgment  alleging the invalidity or
                  non- infringement) based upon or arising out of GENTA JAGO IPR
                  or Final Product IPR, then KRYPTON shall promptly notify GENTA
                  JAGO in writing of any such infringement,  violation,  action,
                  claim or dispute.

         (b)      If GENTA JAGO  becomes  aware of (i) any product or activity
                  of any kind that involves or may involve an  infringement or
                  violation of GENTA JAGO IPR with  respect to Final  Products
                  or of Final  Product  IPR; or (ii) any  third-party  action,
                  claim or dispute (including, but not limited to, actions for
                  declaratory    judgment    alleging   the    invalidity   or
                  non-infringement)  based upon or  arising  out of GENTA JAGO
                  IPR with respect to Final  Products or of Final Product IPR,
                  then GENTA JAGO shall promptly  notify KRYPTON in writing of
                  any such infringement, violation, action, claim or dispute.

10.4     Enforcement of GENTA JAGO IPR

         (a)      GENTA JAGO, at its sole expense, shall have the right, but not
                  the  obligation,  (i) to determine the  appropriate  course of
                  action to enforce,  or otherwise abate the infringement of, or
                  defend third-party actions regarding, GENTA JAGO IPR, (ii)


                                      -14-


<PAGE>

                  to  take,  or  refrain  from  taking,  appropriate  action  to
                  enforce, or defend third-party  actions regarding,  GENTA JAGO
                  IPR,  (iii) to control  any  litigation  or other  enforcement
                  action  regarding  GENTA JAGO IPR, and (iv) to enter into,  or
                  permit,  the  settlement  of  any  such  litigation  or  other
                  enforcement  action regarding GENTA JAGO IPR. GENTA JAGO shall
                  keep  KRYPTON  informed  on a regular  basis on its  taking or
                  refraining  from taking,  and the  development  of, any of the
                  foregoing  actions,  and shall  consider,  in good faith,  the
                  interests of KRYPTON under this  Agreement  when taking any of
                  the foregoing  actions,  to the extent that any such action or
                  such infringement may have an adverse effect on Final Product.
                  KRYPTON  shall,  at its own cost,  fully  cooperate with GENTA
                  JAGO in the planing and  execution of any suit or other action
                  to enforce,  or defend third-party  actions  regarding,  GENTA
                  JAGO IPR as reasonably required or requested by GENTA JAGO.

         (b)      If GENTA JAGO does not within one-hundred-twenty (120) days,
                  or  any  shorter  delay  imposed  by any  applicable  law or
                  regulation or court or authority having jurisdiction,  after
                  receiving  notice of any  infringement or violation of GENTA
                  JAGO IPR which may adversely  affect Final  Products,  or of
                  any  third-party  action,  claim or  dispute  based  upon or
                  arising  out of GENTA  JAGO IPR which may  adversely  affect
                  Final  Products,  commence or take an action to enforce,  or
                  otherwise  abate such  infringement,  or defend against such
                  third-party  action,  then the Parties shall, upon KRYPTON's
                  written  request,  promptly  meet to discuss any  reasonable
                  appropriate  action with regard to such enforcement of GENTA
                  JAGO IPR which may adversely affect Final Products, provided
                  however, that KRYPTON is aware and acknowledges that in such
                  case the Licensor will have the right to enforce any and all
                  GENTA JAGO IPR pursuant to the License Agreements.

         (c)      Subject to the right of the  Licensor  to control  any suit or
                  other  action with regard to GENTA JAGO IPR as outlined in the
                  preceding  section,  KRYPTON,  upon its written request and at
                  its  sole  expense,  shall  be  made  an  additional,  but not
                  controlling  party,  in any such  suit or other  action  where
                  necessary  to obtain  complete  relief  regarding  the subject
                  infringement or violation.

10.5     Enforcement of Final Product IPR

         (a)      KRYPTON, at its sole expense,  shall have the right, but not
                  the obligation,  (i) to determine the appropriate  course of
                  action to enforce,  or otherwise abate the  infringement of,
                  or defend third-party actions regarding,  Final Product IPR,
                  (ii) to take, or refrain from taking,  appropriate action to
                  enforce,  or defend  third- party actions  regarding,  Final
                  Product  IPR,  (iii)  to  control  any  litigation  or other
                  enforcement  action regarding Final Product IPR, and (iv) to
                  enter into, or permit, the settlement of any such litigation
                  or other  enforcement  action  regarding  Final Product IPR.
                  Notwithstanding   anything   contained   in  the   preceding
                  sentence,  KRYPTON  shall not  settle  any suit or action or
                  otherwise  consent  to an adverse  judgment  in such suit or
                  action without the prior written consent of GENTA


                                      -15-


<PAGE>

                  JAGO,  which  consent  shall  not  be  withheld  unreasonably.
                  KRYPTON  shall keep GENTA JAGO  informed on a regular basis on
                  its taking or refraining from taking,  and the development of,
                  any of the  foregoing  actions,  and shall  consider,  in good
                  faith, the interests of GENTA JAGO under this Agreement and in
                  GENTA JAGO IPR, when taking any of the foregoing actions.

         (b)      If KRYPTON  does not,  within  one-hundred-and-twenty  (120)
                  days, or any shorter delay imposed by any  applicable law or
                  regulation or court or authority having jurisdiction,  after
                  receiving  notice of any  infringement or violation of Final
                  Product IPR, or of any third-party action,  claim or dispute
                  based upon or arising out of Final Product IPR,  commence or
                  take  an  action  to  enforce,   or  otherwise   abate  such
                  infringement,  or defend  against such  third-party  action,
                  then  GENTA   JAGO  shall  have  the  right,   but  not  the
                  obligation,  at its sole  expense,  to take and control such
                  action  as it deems  appropriate  to  enforce,  or abate the
                  infringement of, or defend against such third-party  action,
                  regarding  Final Product IPR.  GENTA JAGO shall keep KRYPTON
                  informed on a regular basis of any such action and consider,
                  in good faith, the interests of KRYPTON under this Agreement
                  when taking any of the foregoing actions.  KRYPTON, upon its
                  written  request and at its sole  expense,  shall be made an
                  additional,  but not controlling  party, in any such suit or
                  other  action  controlled  by GENTA JAGO where  necessary to
                  obtain complete relief regarding the subject infringement or
                  violation.

10.6     Application of Monies Recovered

         Subject  always to the right of the  Licensor  to  control  any suit or
         other  action  with  regard to GENTA  JAGO IPR as  outlined  in Section
         10.4(c)  and any right to receive  any monies  recovered  therefrom  as
         provided for in the License  Agreements,  all monies recovered upon the
         final  judgment or  settlement  of any suit or other  action under this
         Sections 10.4 or 10.5 shall be applied as follows:

         (i)   to cover  any and all costs and  expenses  (including  attorney's
               fees)  incurred  by the  Party  controlling  such  suit or  other
               action;

         (ii)  to cover  any and all costs and  expenses  (including  attorney's
               fees)  reasonably,  or upon  request  of the  controlling  Party,
               incurred by the other Party in connection with such suit or other
               action, if any;

         (iii) the remainder,  if any, to the Party controlling any such suit or
               other action.


                                   ARTICLE 11
                              SUB-LICENSE AGREEMENT

11.1     GENTA JAGO hereby grants to KRYPTON the  exclusive  and  sublicenseable
         right and  sub-license  (hereinafter  referred to as the ,,License") to
         use, manufacture, have manufactured, sell and market the Final Products
         in the Territory and to use the Patents,


                                      -16-


<PAGE>
GEOMATRIX(R) Technology and Know How exclusively for that purpose subject to the
         payment of the * and the  Royalties  pursuant to  Articles  13. and 14.
         below.

11.2     The  rights  of  KRYPTON  to grant any  sub-license  in any part of the
         Territory shall be subject to the requirement that KRYPTON shall obtain
         the  written  approval  of  GENTA  JAGO  prior  to  executing  any such
         sub-license  agreement,   which  approval  shall  not  unreasonably  be
         withheld,  provided however,  that no such approval by GENTA JAGO shall
         be required for any sub-license to an Affiliate of KRYPTON .

11.3     In any event KRYPTON shall be responsible for any and all acts,  deeds
         and undertakings of its permitted  sub-licensee(s) and KRYPTON and its
         permitted  sub-licensee(s) shall continue to be bound by all terms and
         provisions  under this  Agreement  throughout  its term.  In case that
         KRYPTON sub-licenses rights and/or the License to any sub- licensee(s)
         approved by GENTA JAGO, such sub-licensee(s) shall agree in writing to
         any and all of  KRYPTON's  obligations  and  undertakings  under  this
         Agreement,   including   but  not   limited  to  its   confidentiality
         obligations set forth  hereinafter.  Furthermore,  KRYPTON  undertakes
         that any and all sub-license  agreements  shall provide for inspection
         and audit  provisions  identical to the  provisions set forth below in
         order to enable  GENTA JAGO to control  and audit and  receive any and
         all fees and  Royalties  due as  provided in this  Agreement.  KRYPTON
         shall  provide  GENTA  JAGO  promptly  with   reasonable   appropriate
         information on its  sub-licensee(s)  and copies of all agreements with
         such sub-licensee(s) (with only the commercial terms may be redacted).


                                   ARTICLE 12
                       MANUFACTURING AND PRODUCT LIABILITY

12.1     In the event that KRYPTON,  subject to Section 5.5 above, elects GENTA
         JAGO, and GENTA JAGO expressly agrees to such  manufacture,  or any of
         its Affiliates  shall  manufacture  Final  Products,  then the Parties
         agree to enter into good faith negotiations on and to use commercially
         reasonable  efforts to execute in due time a respective  Manufacturing
         and Supply Agreement,  according to which GENTA JAGO or its Affiliates
         shall undertake to manufacture and supply Final Products in sufficient
         quantities to meet  KRYPTON's  requirements,  at a sale price for such
         Final Products  manufactured equal to GENTA JAGO's *. In the event and
         for such period of time, that GENTA JAGO or its Affiliate manufactures
         and  supplies  Final  Product  under  such  Manufacturing  and  Supply
         Agreement, the Royalty Rate referred to in Section 14.1 below shall be
         *

12.2     In the event that KRYPTON or any of its  Affiliates or any third party
         is elected pursuant to Section 5.5 above to manufacture Final Product,
         then   KRYPTON   undertakes   and   agrees   that  at  all  times  the
         Specifications and to any and all laws, rules and regulations  imposed
         by  any   competent   authority  on  the   manufacturing,   marketing,
         distribution and sale of Final Products are strictly adhered to by the
         manufacturer,  and  KRYPTON  shall  during  the  entire  term  of this
         Agreement  be  solely  and  fully  liable  and   responsible  for  the
         compliance   with  all  such   laws,   rules  and   regulations   when
         manufacturing, having manufactured,


- - - -------------
*  Confidential treatment requested.  The redacted material has been separately
   filed with the Commission.
      

                                      -17-


<PAGE>

         marketing,  distributing  and selling  Final  Products  itself  and/or
         through Affiliates or sub-licensee(s).

12.3     KRYPTON shall  indemnify,  defend and hold GENTA JAGO,  its Affiliates
         and the  Licensor  harmless  from  and  against  any  losses,  claims,
         liabilities, costs and expenses (including reasonable attorney's fees)
         that may be imposed  upon or  asserted  against  GENTA JAGO and/or its
         Affiliates   and/or  the  Licensor  as  a  result  of  the  marketing,
         distributing,  manufacture,  use or sale of  Final  Products  by or on
         behalf of KRYPTON, its Affiliates,  agents or sub-licensee(s),  except
         for those claims,  liabilities,  costs and expenses arising from gross
         negligence or  intentional  misconduct on the part of GENTA JAGO,  its
         Affiliates or the Licensor.


                                   ARTICLE 13
                       * PAYMENTS AND OTHER CONSIDERATION

13.1     As consideration for GENTA JAGO's preliminary  development  efforts for
         the  Prototype  Formulation  performed  prior to the  execution of this
         Agreement as referred to in Section 2.1 above,  KRYPTON  undertakes  to
         pay to  GENTA  JAGO  an  initial *,  payable  upon  execution  of  this
         Agreement.

13.2     As consideration for the License granted by GENTA JAGO to KRYPTON under
         this Agreement and in consideration of certain major  development steps
         achieved hereunder, KRYPTON undertakes to pay to GENTA JAGO *:

         (a)  * KRYPTON's receipt of GENTA JAGO's notice referred to in Section
              7.1 above; and

         (b)  *; and

         (c)  * for the Final Product; and

         (d)  * for the Final Product.

13.3     Unless otherwise  agreed by the Parties in writing,  all payments under
         this  Article 13.  shall be made in United  States  Dollars and to such
         place or account as GENTA JAGO reasonably requests from time to time in
         writing.


- - - -------------
*  Confidential treatment requested.  The redacted material has been separately
   filed with the Commission.


                                      -18-


<PAGE>

                                   ARTICLE 14
                                    ROYALTIES

14.1     During a period  commencing  upon the first  commercial  sale of Final
         Product in each country of the  Territory  and ending upon the earlier
         of (i) the fifteenth  (15th)  anniversary of the first commercial sale
         of  Final  Product  in such  country  of the  Territory,  and (ii) the
         expiration of the last of the Patents  covering  Final Product in such
         country of the  Territory  (hereinafter  referred  to as  the,,Royalty
         Term"), and in further consideration of the License granted to KRYPTON
         by GENTA JAGO, KRYPTON shall pay to GENTA JAGO a royalty  (hereinafter
         referred  to as  the,,Royalty")  of an amount  equal to * of the Final
         Product in the Territory.

14.2     The  Parties  agree that * shall be  applicable  for the first time on
         sales of such Final Product in such country of the Territory after the
         beginning  of the calendar  quarter  immediately  following  the first
         commercial sale of such Competitive Product.

14.3     Royalties shall be payable on a quarterly  basis.  KRYPTON shall remit
         to GENTA  JAGO  within  six (6) weeks  after the end of each  calendar
         quarter  the amount of Royalty  due with  respect to Net Sales  and/or
         Gross Margin,  as the case may be, achieved in the preceding  quarter,
         beginning with the calendar quarter in which the first commercial sale
         of the Final Product is made in any country of the Territory.  KRYPTON
         shall  deliver to GENTA JAGO,  along with such  remittance  of Royalty
         payments,   a  detailed   statement   (hereinafter   referred   to  as
         the "Royalty  Report") of the Net Sales  and/or Gross  Margin,  as the
         case may be, of the Final  Product  on a  country-by-country  basis to
         which the Royalty payment relates.

14.4     All Royalty  Reports  shall be prepared in  accordance  with  generally
         accepted  accounting  principles  consistently  applied from applicable
         period to period  and shall be  certified  by an  officer of KRYPTON as
         being so prepared, true, accurate and correct.

14.5     Unless  otherwise  agreed  by the  Parties  in  writing,  payments  of
         Royalties  shall be made in United States Dollars and to such place or
         account  as  GENTA  JAGO  reasonably  requests  from  time  to time in
         writing.  Any conversions into United States Dollars from the currency
         in which the  corresponding  Net Sales  and/or  Gross  Margin for such
         Royalties were made, are to be calculated as using the average closing
         buying rate for such currency quoted in the  continental  terms method
         of quoting  exchange rates (local currency per USD 1) published in the
         Wall  Street  Journal  on the  last  business  day  of the  applicable
         reporting period covered by such Royalty Report.


- - - -------------
*  Confidential treatment requested.  The redacted material has been separately
   filed with the Commission.


                                      -19-


<PAGE>

                                   ARTICLE 15
                              INSPECTION AND AUDIT

15.1     During the term of this  Agreement  and during a period of twelve (12)
         months after its  expiration or termination  for any reason,  upon the
         written  request  of GENTA  JAGO and not more than once each  calendar
         year, KRYPTON shall permit an independent  certified public accountant
         of  internationally  recognized  standing  selected by GENTA JAGO,  at
         GENTA JAGO's expense,  to have access during regular business hours to
         such of the records of KRYPTON and its Affiliates as may be reasonably
         necessary to verify the  accuracy of the Royalty  Reports for any year
         ending not more than  thirty-six (36) months prior to the date of such
         request. The accounting firm shall disclose to GENTA JAGO only whether
         the Royalty  Reports and records of KRYPTON and its Affiliates and the
         amount of Royalties  actually paid are correct or not and the specific
         details  concerning any  discrepancies;  no other information shall be
         shared. The Parties agree to accept such written audit report as final
         and binding upon them.

15.2     If  such   independent   accounting  firm  correctly   concludes  that
         additional Royalties were owed during any such period audited, KRYPTON
         shall pay such additional  Royalties  within ten (10) days of the date
         GENTA JAGO delivers to KRYPTON such  accounting  firm's written report
         so concluding.  The fees and expenses  charged by such accounting firm
         with  respect  to such  audit  shall be paid by GENTA  JAGO;  provided
         however,  if any such audit correctly discloses that Royalties payable
         by KRYPTON for the audited  period are more *, then KRYPTON  shall pay
         all reasonable fees and expenses  charged by such accounting firm with
         respect to such audit.

15.3     GENTA JAGO shall  treat all  financial  information  subject to review
         under  this   Article   15.  as   confidential   and  subject  to  the
         confidentiality obligations in Article 16. below.


                                   ARTICLE 16
                                 CONFIDENTIALITY

16.1     Confidential  Information.  KRYPTON shall  maintain in  confidence  all
         Know-How  and  other  information  of GENTA  JAGO  (including  samples)
         disclosed  by GENTA  JAGO and  identified  as, or  acknowledged  to be,
         confidential  (the  ,,Confidential  Information"),  and  shall not use,
         disclose or grant the use of the Confidential  Information  except on a
         need-  to-know basis to its  directors,  officers,  employees,  agents,
         consultants,  clinical investigators or other permitted contractors, to
         the extent such  disclosure is reasonably  necessary in connection with
         KRYPTON's activities as expressly authorized by this Agreement.  To the
         extent  that  disclosure  is  authorized  by this  Agreement,  prior to
         disclosure,  KRYPTON  hereto shall  obtain  agreement in writing of any
         such person to hold in confidence and not make use of the  Confidential
         Information  for  any  purpose  other  than  those  authorized  by this
         Agreement.  KRYPTON shall notify GENTA JAGO promptly upon the discovery
         of the unauthorized use or disclosure of the Confidential Information.


- - - -------------
*  Confidential treatment requested.  The redacted material has been separately
   filed with the Commission.


                                      -20-


<PAGE>

16.2     Permitted Disclosures.  The obligations of confidentiality and non-use
         contained in Section 16.1 above shall not apply to the extent that (a)
         KRYPTON (i) is required to disclose  information by law, regulation or
         order of a governmental  agency or a court of competent  jurisdiction,
         or (ii) is required to disclose information to any governmental agency
         for  purposes of obtaining  approval to test or market Final  Product,
         provided  in each case that  KRYPTON  shall give  GENTA  JAGO  written
         notice thereof and sufficient  opportunity to object to any disclosure
         or to request  confidential  treatment  thereof,  or (b)  KRYPTON  can
         demonstrate that (i) the disclosed information was public knowledge at
         the  time  of such  disclosure  to it,  or  thereafter  became  public
         knowledge,  other  than  as  a  result  of  actions  of  KRYPTON,  its
         directors,  officers  and  employees  in  violation  hereof;  (ii) the
         disclosed information was rightfully known by KRYPTON (as shown by its
         written  records)  prior to the date of disclosure to it by GENTA JAGO
         hereunder; (iii) the disclosed information was disclosed to KRYPTON on
         an  unrestricted  basis from a source  unrelated  to any party to this
         Agreement and not under a duty of confidentiality to GENTA JAGO or the
         Licensor;   or  (iv)  the  disclosed   information  was  independently
         developed  by  KRYPTON  without  the use of  Confidential  Information
         disclosed by GENTA JAGO.

16.3     Terms of this Agreement.  Except as otherwise provided in Section 16.2
         above,  neither  Party shall  disclose any terms or conditions of this
         Agreement  to any third party  (other than the  Licensor)  without the
         prior consent of the other Party. Notwithstanding the foregoing, prior
         to the execution of this  Agreement,  the Parties shall agree upon the
         substance  of  information  that can be used to describe  the terms of
         this  transaction,  and the Parties may disclose such information only
         without the other  Party's  consent.  Notwithstanding  the  foregoing,
         prior to the execution of the Agreement,  the Parties shall agree upon
         the substance of information that can be used to describe the terms of
         this  transaction,  and the  Parties  may  disclose  such  information
         without the other Party's consent.

16.4     Term of  Confidentiality.  The  confidentiality  obligations under this
         Article 16 shall be effective during the term of this Agreement and for
         a period of ten (10) years after the expiration or earlier  termination
         hereof.

16.5     Injunctive  Remedies.  GENTA  JAGO  shall  be  entitled  to  injunctive
         remedies and relief  against  KRYPTON and its  Affiliates and any third
         parties  for any  breach or  threatened  breach of the  confidentiality
         obligations under this Article 16.

16.6     Damages.  In the event of a breach of the  confidentiality  provisions
         under this Article 16 by KRYPTON,  its  Affiliates  or its  directors,
         officers,  employees  or any other person who were given access to the
         Confidential  Information by KRYPTON,  GENTA JAGO shall be entitled to
         receive from  KRYPTON any and all actual  costs and damages  caused by
         such breach.

16.7     Public  Announcements.  Neither Party shall make any press releases or
         other public announcements or disclosures  regarding the execution and
         the existence of this Agreement or any activities conducted hereunder,
         including development results, filings and registrations,  without the
         prior written consent of the other Party, except for such public


                                      -21-


<PAGE>

         disclosure  as may be  necessary  in the opinion of any party's  legal
         advisor  in order  not to be in  violation  of or  default  under  any
         applicable law,  regulation or governmental order, in such later event
         the party having an obligation  to disclose  shall submit to the other
         party a draft of the  required  announcement  and shall give the other
         party  the   opportunity   to  request   reasonable   amendments   and
         modifications of such required announcement.


                                   ARTICLE 17
                              TERM AND TERMINATION

17.1     Term and Expiration

         (a)   This Agreement  shall expire on a  country-by-country  basis upon
               the expiration of the Royalty Term.

         (b)   Upon the  expiration  of this  Agreement  in each  country of the
               Territory  pursuant to Section  17.1 (a) above and payment of all
               fees,  including  but not limited to the *, and all Royalties and
               other  payments by KRYPTON  due GENTA JAGO under this  Agreement,
               the License shall be deemed to be a perpetual,  fully paid-up and
               royalty-free license for such Final Product and each such country
               of the Territory.

17.2     Termination Prior to Registration

         During  the  development,   test,  study  and  registration  phases  as
         specified  in  Articles  3.  through  8.  above,  and  until  the first
         successful registration approval of any Final Product by any Regulatory
         Authority,  this  Agreement may be  terminated  in accordance  with the
         provisions set forth in Sections 3.6, 4.6, 6.5, 7.5 and 8.6 above.

17.3     Termination for Cause

         During the entire term of this  Agreement  either  Party may  terminate
         this  Agreement  by giving to the other  Party  written  notice to that
         effect, if any of the following events occur:

         (a)   the other Party is in default or in breach of a term or provision
               hereof and such default or breach  continues  and is not remedied
               within thirty (30) days upon the other Party's written request to
               remedy such default or breach; or

         (b)   the   other   Party   shall   commit  a  breach  of  any  of  the
               confidentiality provisions of Article 16. above; or

         (c)   the other Party goes into liquidation,  voluntarily or otherwise,
               other than for the sole purpose of  reorganization,  or goes into
               bankruptcy or makes an  assignment  for the benefit of creditors,
               or in the  event  of a  receiver  being  appointed  of the  other
               Party's property or parts thereof.


                                      -22-


<PAGE>

17.4     Effect of Termination

         (a)   If KRYPTON  elects to so terminate  the  Agreement  under Section
               17.2  above  prior to  filing of the ANDA in the  United  States,
               then: (i) such termination  shall be without penalty or liability
               to KRYPTON;  (ii) all rights and  licenses  granted by GENTA JAGO
               hereunder  shall  revert  to  GENTA  JAGO  with  respect  to such
               country(ies)  so  terminated,  (iii)  KRYPTON be  relieved of any
               payments  that are  scheduled  or may be made in the future under
               this  Agreement,  (iv)  KRYPTON  shall  return to GENTA  JAGO all
               materials,  documentation,  information,  data and  other  things
               furnished  by  GENTA  JAGO in  connection  with  this  Agreement,
               including   without   limitation   any   and   all   Confidential
               Information,  together  with  all  copies  thereof  in  KRYPTON's
               possession or under its control, (v) all Registrations pertaining
               to the  marketing of the Product shall be  transferred  to and be
               owned by GENTA JAGO as to the affected  country(ies) and the data
               generated   under  this  Agreement   shall  be  provided  to  and
               thereafter   may  be  freely  used  by  GENTA  JAGO  to  develop,
               manufacture  and market the Product;  and (vi) GENTA JAGO and its
               Affiliates  shall  thereafter be entitled to exercise such rights
               as they may have under their own license agreements to make, have
               made, use or sell the Product in the  country(ies)  so terminated
               without compensation or obligation to KRYPTON; provided, that the
               foregoing  rights  under  (iv) and (vi) shall not create or imply
               any right or license under any patent rights,  copyright  rights,
               trademarks  or  trade  names,  know-how,  or  other  intellectual
               property rights owned or controlled by KRYPTON or its Affiliates.

         (b)   If KRYPTON elects to so terminate  this  Agreement  subsequent to
               the  filing  of the ANDA in the  United  States,  then:  (i) such
               termination  shall be without  penalty or  liability  to KRYPTON;
               (ii) all rights  and  licenses  granted  by GENTA JAGO  hereunder
               shall revert to GENTA JAGO with respect to such  country(ies)  so
               terminated;  (iii) KRYPTON shall be relieved of any payments that
               are scheduled or may be made in the future under this  Agreement,
               (iv)  KRYPTON   shall   return  to  GENTA  JAGO  all   materials,
               documentation,  information,  data and other things  furnished by
               GENTA JAGO in connection with this Agreement,  including  without
               limitation any and all  Confidential  Information,  together with
               all copies thereof in KRYPTON's  possession or under its control,
               (v) GENTA JAGO and its Affiliates shall thereafter be entitled to
               make,  have made, use or sell the Product in the  country(ies) so
               terminated (and, provided, that the foregoing shall not create or
               imply any right or  license  under any patent  rights,  copyright
               rights,   trademarks   or  trade   names,   know-how,   or  other
               intellectual  property  rights owned or  controlled by KRYPTON or
               its Affiliates); (vi) all Registrations pertaining to the Product
               shall be  transferred  to and be  owned  by GENTA  JAGO as to the
               affected  country(ies) and the data generated  hereunder shall be
               provided  to and  thereafter  may be freely used by GENTA JAGO to
               develop, manufacture and market the Product; and (vii) GENTA JAGO
               shall pay to KRYPTON the same royalty, which shall be paid in the
               same manner and subject to the same terms and conditions as would
               otherwise  have applied to KRYPTON,  as KRYPTON  would  otherwise
               have paid  (absent such  termination)  hereunder to GENTA JAGO on
               Net Sales (or on


                                      -23-


<PAGE>

               the Gross  Margin of such Net  Sales,  as the case may be) of the
               Product in the  country(ies)  to which such  termination  applies
               (with such royalty to be paid by GENTA JAGO and its Affiliates in
               each such country  until  expiration  of the Royalty Term in each
               such  country),  until such time as the royalties paid to KRYPTON
               equal the aggregate amount that had been paid by KRYPTON to GENTA
               JAGO prior to such termination  under the Sections 3.5, 4.3, 5.2,
               6.3,  7.3,8.3,  9.2 and 13., at which time the royalty  rate then
               prevailing  on Net  Sales  (or on the  Gross  Margin  of such Net
               Sales,  as the case may be) in the United States shall be reduced
               by two percent (2 %) (but shall not be reduced for sales  outside
               the United States).

         (c)   Otherwise  the  termination  of this  Agreement  shall be without
               prejudice to any rights and  obligations  of either Party accrued
               prior  to  the  effective  date  of  termination.  KRYPTON  shall
               forthwith make all payments due and  outstanding to GENTA JAGO at
               the date of termination. Except as explicitly otherwise stated in
               this Agreement,  GENTA JAGO shall not be obligated to refund upon
               termination of this Agreement to KRYPTON any payments,  including
               without  limitation the *, made by KRYPTON to GENTA JAGO prior to
               such termination pursuant to the provisions of this Agreement.

         (d)   The termination of this Agreement  pursuant to Section 17.3 above
               by either Party shall not limit  remedies  which may be otherwise
               available in law or equity to either Party.

17.5     Early Termination of the License Agreements

         (a)   In the event that the License  Agreements are terminated prior to
               the  expiration of the last to expire of the Patents  licensed to
               GENTA JAGO in the Territory,  then the License granted  hereunder
               to KRYPTON shall also  terminate  upon  KRYPTON's  receipt of the
               respective termination notice from the Licensor. KRYPTON may give
               written  notice to the Licensor of  KRYPTON's  desire to continue
               the License  granted under this Agreement  within sixty (60) days
               as of  KRYPTON's  receipt of the  Licensor's  notice  referred to
               above.

         (b)   In the event that  KRYPTON  timely  notifies  the Licensor of its
               desire to continue the License granted under this Agreement,  the
               Licensor shall have the right, at its sole  discretion,  to elect
               to assume in writing  within sixty (60) days upon the  Licensor's
               receipt  of  KRYPTON's  notice  any and all  rights of GENTA JAGO
               under this  Agreement  and to promptly cure all defaults of GENTA
               JAGO under this Agreement, if any.

         (c)   In the event that the  Licensor  does not timely  gives notice to
               KRYPTON and cures all of GENTA JAGO's defaults hereunder pursuant
               to Section  17.5(b) above,  then KRYPTON shall promptly assume in
               writing  any and all rights and  obligations  of GENTA JAGO under
               the License Agreements with the Licensor,  but with regard to the
               rights  encompassed by the License  granted  hereunder  only, and
               promptly


- - - -------------
*  Confidential treatment requested.  The redacted material has been separately
   filed with the Commission.


                                      -24-


<PAGE>

               cure all defaults of GENTA JAGO under the License Agreements with
               regard to the rights encompassed by the License granted hereunder
               only, if any.

         (d)   Notwithstanding  anything  contained  in this  Section  17.5,  no
               action taken by the Licensor and/or KRYPTON to continue or not to
               continue the License  shall relieve GENTA JAGO from any liability
               for any  uncured  defaults  under this  Agreement  or the License
               Agreements,  and such action by the Licensor and/or KRYPTON shall
               be without prejudice to any other rights or remedies the Licensor
               and/or KRYPTON may have in law or equity.


                                   ARTICLE 18
                                   WARRANTIES

18.1     GENTA  JAGO  shall  carry  out and  undertake  the  studies  and tests
         specified in this  Agreement in a careful and diligent  manner.  GENTA
         JAGO agrees to carefully choose, instruct and supervise any employees,
         officers,  Affiliates  or third  parties  to be chosen  by GENTA  JAGO
         pursuant  to this  Agreement,  who are  involved  with the  tests  and
         studies.   Nothing  in  this   Agreement   shall  be  construed  as  a
         representation  made,  or  warranty  given,  by  GENTA  JAGO  that any
         development  performed by or for GENTA JAGO under this  Agreement will
         be  successful  in whole or in part,  or that any  product,  including
         Final  Product,  which may be  developed,  will be  successful  in the
         commercial   marketplace.    Furthermore,    GENTA   JAGO   makes   no
         representation  or  warranty,  express  or  implied,  with  respect to
         GEOMATRIX(R)Technology  and/or Know-How, including without limitation,
         any warranty of completeness, accuracy, merchantability or fitness for
         a particular purpose thereof.

18.2     GENTA JAGO  represents  and warrants that it has all rights  regarding
         Patents,  GEOMATRIX(R)Technology  and Know-How  necessary to grant the
         License hereunder.  Notwithstanding the preceding sentence, GENTA JAGO
         does not  assume any  responsibility  and makes no  warranty  that the
         performance  of this  Agreement and any product  developed  hereunder,
         including Prototype Formulation(s) and Final Products, do not infringe
         any third party's patents,  patent  applications or other intellectual
         property rights.  Notwithstanding the preceding  sentence,  GENTA JAGO
         represents  and  warrants  that,  as of the  effective  date  of  this
         Agreement,  it is  not  aware  and  has  not  knowledge  of  any  such
         infringement of any third party rights. If, however, during the course
         of  this   Agreement   either  Party   discovers  that  the  Prototype
         Formulation(s)  and/or the Final Products infringe or may infringe any
         third party's  intellectual  property rights, it shall promptly inform
         the other  Party  thereof  and the  Parties  shall meet to discuss the
         course of action to be taken with regard thereto.

18.3     Nothing in this Agreement shall be construed as a representation  made,
         or  warranty  given by GENTA JAGO that any patent will issue based upon
         any pending patent  application  encompassed  by the term Patents,  and
         that any patent  encompassed  by the term Patents  which issues will be
         valid or enforceable.


                                      -25-


<PAGE>

18.4     GENTA JAGO  assumes no  liability  or  responsibility  for any  damages
         caused to KRYPTON, third parties, animals and/or the environment by the
         manufacturing,  marketing or use of the Prototype Formulations or Final
         Products  or the active  ingredient  contained  therein,  except to the
         extent that any of the above are  attributable to the gross  negligence
         or willful  misconduct  of GENTA  JAGO in  performing  its  obligations
         hereunder.

18.5     Subject  to the  specific  representations  and  warranties  given and
         specific  disclaimers of  representations  and warranties  included in
         this  Article  18, and further  subject to  anything  to the  contrary
         contained in this Agreement,  either Party shall, as to third parties,
         be  indemnified  and held harmless by the other Party from and against
         any and all losses,  liabilities  and damages  arising from any claim,
         action or other  proceeding by any third party relating to any acts or
         omissions of the other Party,  its directors,  officers,  employees or
         agents,  or the gross  negligence or willful  misconduct of such other
         Party, its directors,  officers, employees or agents in performing any
         of its obligations under this Agreement.

18.6     Any  liability,  warranty  and  undertaking  contained  herein shall be
         limited to the payment by either Party for direct  damages to the other
         Party  and in any  event,  neither  Party  shall be liable to the other
         Party for any  special,  indirect,  punitive or  consequential  damages
         and/or loss of profits or anticipated profits, respectively.

18.7     KRYPTON shall, at its own expense,  purchase from an insurance company
         of its  choice  and shall  maintain  during  the  entire  term of this
         Agreement an appropriate and customary policy of general liability and
         product liability  insurance covering its  responsibilities  regarding
         Prototype  Formulation(s) and Final Products developed,  manufactured,
         marketed  and sold under  this  Agreement  and the  Active  Ingredient
         contained  therein and the use thereof.  Upon  request,  KRYPTON shall
         provide GENTA JAGO with evidence that such insurances are existing and
         are maintained.


                                   ARTICLE 19
                            MISCELLANEOUS PROVISIONS

19.1     Entire  Agreement:  The terms,  covenants,  conditions  and provisions
         contained in this  Agreement,  including  its  Appendices  referred to
         herein, constitute the total and complete agreement of the Parties and
         supersede all prior  understandings  and  agreements  hereto made, and
         there  are no  other  representations,  understandings  or  agreements
         relating  to  the  subject  matter  hereof.  The  provisions  of  this
         Agreement may not be waived, altered,  amended or repealed in whole or
         in part except by the  written  consent of both of the Parties to this
         Agreement.

19.2     Assignment:   This   Agreement   may  not  be  assigned  or  otherwise
         transferred,  nor,  except as expressly  provided  hereunder,  may any
         right or  obligation  hereunder be assigned or  transferred  by either
         Party,  other than to an Affiliate of such Party,  without the consent
         of the other Party;  provided however,  that either Party may, without
         such consent,  assign this  Agreement  and its rights and  obligations
         hereunder in connection with the transfer or

                                      -26-


<PAGE>

         sale of all or substantially  all of its business,  or in the event of
         its merger,  consolidation,  change in control or similar transaction;
         and  provided  further  that GENTA  JAGO may  without  the  consent of
         KRYPTON assign any and all of its rights and obligations  hereunder to
         the Licensor  and/or any of the Licensor's  Affiliates.  Any permitted
         assignee  shall  assume all  obligations  of its  assignor  under this
         Agreement  or under  the  respective  rights or  obligations  actually
         assigned.

19.3     Successors: This Agreement and all rights hereunder shall ensure to the
         benefit of all successors and assigns of both Parties.

19.4     Notices:  Any  consent,  notice or report  required or  permitted to be
         given or made under this  Agreement  by one Party to the other shall be
         in English and in writing,  delivered  personally or by courier service
         or by facsimile  (promptly  confirmed  by personal  delivery or courier
         service)  addressed to the other Party at its address  indicated below,
         or to such other  address as shall have been notified in writing to the
         sending Party by the receiving  party from time to time, and shall take
         effect upon receipt by the addressee.

         IF TO KRYPTON:          KRYPTON LTD.
                                 East Wing, Second Level
                                 Hadfield House
                                 Library Street
                                 Gibraltar
                                 attn.: PRESIDENT

         WITH COPIES TO:         SKYEPHARMA PLC
                                 105 Piccadilly
                                 London W1V 9FN, England
                                 attn.: COMPANY SECRETARY

         AND:                    RINDERKNECHT GLAUS & STADELHOFER
                                 Beethovenstrasse 7
                                 P.O. Box 4451
                                 CH-8022 Zurich, Switzerland
                                 attn.: DR. THOMAS M. RINDERKNECHT

         IF TO GENTA JAGO:       GENTA JAGO Technologies B.V.
                                 Swiss Branch
                                 Grundstrasse 12
                                 CH-6343 Rotkreuz, Switzerland
                                 attn..: MANAGEMENT COMMITTEE

         WITH COPIES TO:         RINDERKNECHT GLAUS & STADELHOFER
                                 Beethovenstrasse 7
                                 8002 Zurich, Switzerland
                                 attn.: DR. THOMAS M. RINDERKNECHT


                                      -27-


<PAGE>

         AND:                    PILLSBURY MADISON & SUTRO LLP
                                 235 Montgomery Street, 15th Floor
                                 San Francisco, CA 94104, U.S.A.
                                 attn.: THOMAS E. SPARKS, JR., ESQ.

19.5     Independent Contractors:  It is expressly agreed that the Parties shall
         be  independent  contractors  and that  the  relationship  between  the
         Parties shall not  constitute a  partnership,  joint venture or agency.
         Neither  Party  shall  have  the  authority  to  make  any  statements,
         representations  or  commitments  of any kind,  or to take any  action,
         which shall be binding on the other  Party,  without the prior  written
         consent of the other Party to do so.

19.6     Severability:  Each Party hereby  acknowledges that it does not intend
         to  violate  any  public  policy,  statutory  or common  laws,  rules,
         regulations,  treaty or decision of any government agency or executive
         body thereof of any country or community or  association of countries.
         Should one or more  provisions of this Agreement be or become invalid,
         the  Parties  hereto  shall  substitute,   by  mutual  consent,  valid
         provisions for such invalid provisions which valid provisions in their
         economic  effect are  sufficiently  similar to the invalid  provisions
         that it can be reasonably  assumed that the parties would have entered
         into this  Agreement  with such  provisions.  In case such  provisions
         cannot be agreed upon, the invalidity of one or several  provisions of
         this  Agreement  shall not affect the validity of this  Agreement as a
         whole, unless the invalid provisions are of such essential  importance
         to this Agreement that it is to be reasonably assumed that the Parties
         would  not have  entered  into  this  Agreement  without  the  invalid
         provisions.

19.7     Force   Majeure:   Neither  Party  hereto  shall  be  held  liable  or
         responsible to the other Party nor be deemed to have  defaulted  under
         or  breached  this  Agreement  for failure or delay in  fulfilling  or
         performing  any term of this  Agreement  when such failure or delay is
         caused by or results from causes beyond the reasonable  control of the
         affected Party including but not limited to fire,  floods,  embargoes,
         war,  acts of war  (whether  war be declared  or not),  insurrections,
         riots,   civil   commotions,   strikes,   lockouts   or  other   labor
         disturbances,  acts of God or acts,  omissions  or delays in acting by
         any governmental authority or the other Party hereto.

19.8     Interest:  In the event any amount due and payable under this Agreement
         is not paid by the due date, then the Party owing such amount shall pay
         to the creditor,  without being requested by the other Party,  interest
         on the  total  outstanding  amount  at the  rate  equal  to the  London
         Interbank  Offered  Rate  (,,LIBOR"),  as  published in the Wall Street
         Journal (Europe) on the date that such payment falls due,  increased by
         three percent (3%), in United States  Dollars and adjusted on the first
         day of every calendar quarter.

19.9     Headings:  The titles and headings used in this  Agreement are intended
         for  convenience  only and shall not in any way affect  the  meaning or
         construction of any provision of this Agreement.


                                      -28-


<PAGE>

19.10    Waiver: The waiver by either Party hereto of any right hereunder or the
         failure  to  perform  or of a breach  by the other  Party  shall not be
         deemed a waiver of any other right  hereunder or of any other breach or
         failure by said other Party whether of a similar nature or otherwise.

19.11    Counterparts:   This   Agreement   may  be  executed  in  two  or  more
         counterparts,  each of which  shall be deemed an  original,  but all of
         which together shall constitute one and the same instrument.


                                   ARTICLE 20
                       DISPUTE RESOLUTION AND ARBITRATION

20.1     In the event of any dispute arising between the Parties concerning this
         Agreement,  GENTA JAGO and  KRYPTON  agree that in the first place they
         shall meet for good faith  discussions  in an attempt to  negotiate  an
         amicable solution.

20.2     Any dispute  arising  between the Parties out of or in connection with
         this Agreement, or the interpretation,  breach or enforcement thereof,
         which  cannot be  amicably  resolved  pursuant  to Section  20.1 above
         within two (2) months as from the first  appearance  of such  dispute,
         shall be finally  resolved  by binding  arbitration.  Whenever a Party
         shall  decide to  institute  arbitration  proceedings,  it shall  give
         written  notice  to  that  effect  to all of the  other  Parties.  Any
         arbitration   hereunder   shall  be  conducted   under  the  Rules  of
         Conciliation and Arbitration of the International Chamber of Commerce.
         Any such  arbitration  shall be conducted in the English language by a
         panel of three  (3)  arbitrators  appointed  in  accordance  with such
         rules, and shall be held in PARIS,  FRANCE. The arbitrators shall have
         the authority to grant specific performance, and to allocate among the
         parties  the costs of  arbitration  in such  equitable  manner as they
         determine.  Judgment  upon the award so rendered may be entered in any
         court having jurisdiction or application may be made to such court for
         judicial  acceptance  of  any  award  so  rendered  and  an  order  of
         enforcement,  as the case may be.  Whether a claim,  dispute  or other
         matter  in  question  would be  barred by the  applicable  statute  of
         limitations,  which also  shall  apply to any  arbitration  under this
         section,  shall be determined by binding arbitration  pursuant to this
         section.

20.3     Notwithstanding anything contained in this Article 20, either Party may
         seek  preliminary  or  injunctive  measures or relief in any  competent
         court having jurisdiction.


                                      -29-


<PAGE>

                                   ARTICLE 21
                                 APPLICABLE LAW

The  Parties  hereto  agree  that  this  Agreement,  all  transactions  executed
hereunder  and all  relationships  between the Parties in  connection  therewith
shall be  construed  under and be  governed by the laws of  Switzerland  without
reference to the conflict of law principals  thereof,  and shall not be governed
by the United  Nations  Convention  on Contracts for the  International  Sale of
Goods.

IN WITNESS WHEREOF,  the Parties have executed this Agreement as of the 31st day
of October 1996.



GENTA JAGO TECHNOLOGIES B.V.




/s/ Thomas H. Adams                                 /s/ Jacques Gonella
- - - -------------------                                 -------------------
by   Dr. Thomas H. Adams                            by:  Dr. Jacques Gonella
its:  Managing Director                             its:  Managing Director



KRYPTON LTD.



/s/
- - - -------------------
by:
its:


The Licensor, Jagotec AG, hereby agrees to be bound by the obligations contained
in Section 17.5 of this Agreement.


JAGOTEC AG



/s/ Jacques Gonella                                 /s/
- - - -------------------                                 ------------------------
by:                                                 by:
its:                                                its


                                      -30-


                                                                   EXHIBIT 10.95
                        CONFIDENTIAL TREATMENT REQUESTED

                       DEVELOPMENT & SUB-LICENSE AGREEMENT
                                    NAPROXEN

This DEVELOPMENT AND SUB-LICENSE  AGREEMENT (this "AGREEMENT"),  effective from
the date last written hereunder, is entered into between GENTA JAGO TECHNOLOGIES
B.V.,  a Dutch  company,  having a place of  business at  Grundstrasse  12, 6343
Rotkreuz,  Switzerland  (hereinafter  referred to as "GENTA JAGO"),  and KRYPTON
LTD.,  a  Gibraltar  limited  company,  having a place of business at East Wing,
Second Level, Hadfield House, Library Street, Gibraltar (hereinafter referred to
as "KRYPTON")


                                   WITNESSETH:

WHEREAS,  GENTA JAGO has  expertise  in the  development  of  controlled-release
formulations for pharmaceutical agents and in particular has exclusive rights to
proprietary know-how and technology generally known and commercialized under the
registered  trademark  GEOMATRIX(R) and as described and embodied in the Patents
(as defined below) with respect to a Bioequivalent Product (as defined below) to
* and

WHEREAS,  KRYPTON is a company  which  markets  pharmaceutical  products  and is
interested in developing Prototype Formulations (as defined below) for the Final
Product (as defined below) and in seeking the approval of Regulatory Authorities
(as defined below) to  manufacture,  or have  manufactured  and market the Final
Product in the Territory (as defined below); and

WHEREAS, GENTA JAGO is prepared to conduct or have conducted certain studies and
the development of the Prototype Formulations and Final Product; and

WHEREAS,  GENTA  JAGO is  prepared  to grant to  KRYPTON  under  the  terms  and
conditions  set forth  hereafter a sub-license  under the Patents,  GEOMATRIX(R)
Technology  and Know-How (as defined below) to conduct  studies  relating to the
Prototype Formulations and, upon receipt of approval by the Regulatory Authority
(as defined  below),  to manufacture or have  manufactured,  market and sell the
Final Product in the Territory.

NOW, THEREFORE,  for and in consideration of the premises,  mutual covenants and
agreements  contained  herein and  intending  to be legally  bound  hereby,  the
Parties hereby agree as follows:

- - - -------------
*    Confidential treatment requested. The redacted material has been separately
     filed wit the Commission.


<PAGE>

                                    ARTICLE 1
                                   DEFINITIONS

For purposes of this  Agreement,  the terms defined in this Article 1 shall have
the following meanings:

1.1   "Active Ingredient" shall mean Naproxen.

1.2   "Affiliate"  shall  mean,  with  respect  to  either  Party  hereto,   any
      corporation,  partnership or other entity  controlled  by,  controlling or
      under common control with,  such Party,  with "control"  meaning direct or
      indirect beneficial  ownership of more than 50% of the voting power of, or
      more than 50% of ownership  interest in, such corporation,  partnership or
      other entity.

1.3   "ANDA" shall mean any Abbreviated New Drug Application filed with the FDA,
      by  or  for  KRYPTON   requesting   authorization  to  manufacture,   have
      manufactured or sell the Final Product in the United States of America, or
      any equivalent  application to a Regulatory Authority in any other country
      of the Territory.

1.4   "Bioequivalent   Product"   shall  mean  a  drug   product   meeting  the
      bioequivalence requirements imposed by the FDA for in vitro and/or in vivo
      testing  as set forth in the  regulations  of the FDA at 21 C.F.R.  ss.320
      ("AB Equivalent Rating"), as they may be amended from time to time.

1.5   "Competitive Product" shall mean any product other than the Final Product
      or the Originator  which is a Bioequivalent  Product of the Originator and
      is marketed and sold in the Territory on a country-to-country basis.

1.6   "FDA" shall mean the U.S.  Federal Food and Drug  Administration  and any
      successor agency thereof.

1.7   "Final  Product"  shall  mean  the   pharmaceutical   orally-administered
      controlled-release   formulation(s)   containing  the  Active  Ingredient,
      presented as a compressed  tablet  developed  pursuant to this  Agreement,
      based on the GEOMATRIX(R)  Technology and being a Bioequivalent Product of
      the  Originator,  of  a  Competitive  Product  or  of  any  other  product
      containing the Active Ingredient.

1.8   "GEOMATRIX(R)  Technology"  shall mean the oral  controlled-release  drug
      delivery  and related  technology  licensed to GENTA JAGO by the  Licensor
      which utilizes a hydrophilic  drug-containing matrix tablet which controls
      the release of the drug through the use of one or more barrier layers.

1.9   "Gross Margin" shall mean,  with respect to any Final Product,  Net Sales
      less  only the  direct  cost of such  Final  Product  sold,  i.e.  (a) raw
      material cost, (b) direct labor cost,  (c) reasonably  directly  allocable
      overhead cost (e.g. energy cost), (d) packaging and labeling


                                      - 2 -


<PAGE>

      cost, and (e) other costs directly  associated with the  manufacturing  of
      such Final Product (e.g.  quality  control).  No other deductions from Net
      Sales are  permissible  for the  calculation  of Gross  Margin,  including
      without   limitation,    sales,    marketing   and   distribution   costs.
      Alternatively,  in the event that KRYPTON  sub-contracts the manufacturing
      of any Final Product to a third party,  then "Gross  Margin" with respect
      to such Final  Product  shall  mean Net Sales less only the  manufacturing
      costs as invoiced by such  manufacturing  third party  sub-contractor  and
      actually paid by KRYPTON.

1.10  "Know-How"  shall mean all information  and data,  which are not generally
      known including, but not limited to, patent claims and related information
      not  yet  disclosed  to  the  public,  formulae,  procedures,   protocols,
      techniques and results of experimentation and testing, which (a) relate to
      the  GEOMATRIX(R)Technology,   any  Prototype  Formulation  or  any  Final
      Product,  or (b) are  necessary  or  useful  to  develop,  make or use any
      Prototype  Formulation,  or (c) are  necessary or useful to develop,  seek
      regulatory  approval,  make,  use or sell any  Final  Product,  all to the
      extent  presently  or  during  the  term of  this  Agreement  licensed  or
      otherwise available to and at the free disposition of GENTA JAGO.

1.11  "License  Agreements" shall mean the license  agreements  entered into by
      and between GENTA JAGO and the Licensor,  under which the Licensor granted
      GENTA JAGO the rights in the Patents,  the  Know-How and the  GEOMATRIX(R)
      Technology, which are the subject matter of the sub-license referred to in
      Article 11. below.

1.12  "Licensor" shall mean Jagotec AG, a Swiss corporation, having its place of
      business at Seestrasse 91, CH-6052 Hergiswil, Switzerland.

1.13  "Net Sales" shall mean,  with respect to any Final  Product,  the invoiced
      sales price of such Final  Product in finished  package  form  invoiced by
      KRYPTON  and/or its  Affiliates  to any  independent  customer  other than
      KRYPTON's Affiliates, less (a) credits, allowances,  discounts and rebates
      to, and charge-backs  from the account of, such independent  customers for
      spoiled,  damaged,  out-dated,  rejected or returned  Final  Product;  (b)
      actual freight and insurance costs incurred and paid by KRYPTON and/or its
      Affiliates  in  transporting  such  Final  Product  in final  form to such
      customers;  (c)  customary  cash,  quantity and trade  discounts and other
      price reduction  programs;  (d) sales,  use, value- added and other direct
      taxes (but excluding any income tax) actually incurred and paid by KRYPTON
      and/or  its  Affiliates;  and (e)  customs  duties,  surcharges  and other
      governmental   charges  incurred  by  KRYPTON  and/or  its  Affiliates  in
      connection  with the  exportation  or importation of such Final Product in
      final form.

1.14  "Originator"  shall mean * actually  marketed in the United States by * or
      any other  pharmaceutical  products  containing the Active  Ingredient and
      being marketed in the Territory.

1.15  "Patents"  shall mean all patents and patent  applications  heretofore  or
      hereafter  filed or having  presently  or in the future legal force in any
      country of the  Territory,  licensed  by the  Licensor to GENTA JAGO which
      claim the GEOMATRIX(R) Technology or the

- - - -------------
*    Confidential treatment requested. The redacted material has been separately
     filed wit the Commission.


                                      - 3 -




<PAGE>



      process to manufacture Prototype  Formulations and/or Final Product by use
      of, or the use of, the GEOMATRIX(R) Technology,  including but not limited
      to the  patents  and  patent  applications  listed in  APPENDIX  A hereto,
      together  with all  patents  that in the  future  issue  therefrom  in any
      country of the Territory,  including utility, model and design patents and
      certificates   of   invention,   and   all   divisionals,   continuations,
      continuations-in-part,   reissues,  renewals,  extensions,  substitutions,
      confirmations  or additions  to any such patents and patent  applications,
      all to the extent presently or during the term of this Agreement  licensed
      or otherwise available to and at the free disposition of GENTA JAGO.

1.16  "Prototype  Formulations"  shall  mean the oral  delivery  system  for the
      Active  Ingredient  based on the  GEOMATRIX(R)  Technology that reasonably
      meet the Specifications.

1.17  "Regulatory  Authority"  shall  mean the FDA or any  equivalent  competent
      regulatory authority in any other countries of the Territory.

1.18  "Specifications"  shall mean the  Products  specifications  to be mutually
      agreed upon.

1.19  "Territory" shall mean *.


                                    ARTICLE 2
                              DEVELOPMENT PREAMBLE

2.1   At the date of  execution  of this  Agreement,  GENTA  JAGO has  performed
      certain  preliminary  development  efforts for the Prototype  Formulation.
      This development is hereby incorporated in this Agreement.

2.2   GENTA  JAGO  undertakes  to  conduct  the  development  of  the  Prototype
      Formulation(s)  and the Final  Product in an  efficient  and  professional
      manner.   KRYPTON  shall   actively   support  GENTA  JAGO  regarding  the
      development  and studies to be executed by GENTA JAGO as may be reasonably
      required by GENTA JAGO from time to time.  In  particular,  KRYPTON  shall
      provide  information  reasonably  requested by GENTA JAGO  relating to the
      Originator  and to the Active  Ingredient for the purposes of carrying out
      this  development,   including,   but  not  limited  to,  physico-chemical
      characteristics,  safe-handling instructions, in-vitro analytical methods,
      degradation  products and  standards  and  analytical  methods  therefore.
      Additionally,  KRYPTON  shall  provide  to GENTA JAGO  requested  data and
      adequate  quantities  of samples of the  Originator  for the  purposes  of
      conducting the Feasibility Study. KRYPTON,  however, shall not be required
      to provide information regarding the Originator which is not in the public
      domain,  unless  KRYPTON is duly  authorized  to possess and disclose such
      non-public  information.  Any costs and  expenses  incurred  by KRYPTON in
      connection with such support shall be borne by KRYPTON.

- - - -------------
*    Confidential treatment requested. The redacted material has been separately
     filed wit the Commission.


                                      - 4 -


<PAGE>

2.3   Due to the nature and  complexity of the  development  and the  respective
      studies  as set  forth  in  this  Agreement,  the  Parties  recognize  and
      acknowledge  that  problems  and  delays may occur  which  render the time
      limits  set  forth  in  this  Agreement   and/or  the  time-frame  of  the
      development as mutually agreed upon difficult or impossible to accomplish.
      The Parties agree that they shall immediately inform each other in writing
      in the event  that  significant  problems  or delays  are  encountered  or
      envisaged  during the course of the  development  and shall  discuss  such
      problems and delays in order to agree on a mutually acceptable revision of
      the time limits set in this Agreement  and/or the time-frame as previously
      mutually agreed upon.

2.4   Together  with the notice from  KRYPTON  referred to in Section 3.1 below,
      KRYPTON,  or  its  designated  supplier,  shall  supply  GENTA  JAGO  on a
      free-of-charge  basis with sufficient  quantities of Active  Ingredient to
      perform the development program intended hereunder. Such supplies shall be
      accompanied with respective certificates of analysis and conformity. GENTA
      JAGO shall use all Active  Ingredient  supplied to it by KRYPTON hereunder
      solely and  exclusively  in  connection  with the  development  program as
      mutually agreed upon.

      Alternatively,  KRYPTON  may  request  that GENTA JAGO  obtain a supply of
      Active Ingredient from a reputable source having the necessary  regulatory
      clearances in place to allow future  marketing of the Final Product in the
      Territory.  Should KRYPTON so require and GENTA JAGO so agree,  the chosen
      supplier's facilities,  processes and procedures shall be audited by GENTA
      JAGO, or a third party  mutually  acceptable to KRYPTON and GENTA JAGO, in
      order to ensure compliance with the appropriate  regulatory  requirements.
      KRYPTON shall * of GENTA JAGO incurred in carrying out, or having  carried
      out such audit.  GENTA JAGO shall provide KRYPTON with a copy of the audit
      report within thirty (30) days as of the completion of the audit.

2.5   In the event that the  Parties  mutually  agree  that  GENTA JAGO  becomes
      responsible  for the supply of Active  Ingredient,  KRYPTON  shall * GENTA
      JAGO for any and all shipping and  transportation  costs,  import  duties,
      taxes or other costs incurred by GENTA JAGO in connection with such supply
      of Active Ingredient upon receipt of GENTA JAGO's respective invoices.


                                    ARTICLE 3
                                FEASIBILITY STUDY

3.1   KRYPTON shall initiate the development program  contemplated  hereunder as
      soon as  technically  feasible and within the time limits set forth in the
      mutually  accepted  development  program by giving  written notice to that
      effect to GENTA JAGO.  Not later than two (2) months after  receipt of (i)
      such notice,  (ii) a * and (iii) the Active  Ingredient,  GENTA JAGO shall
      commence the feasibility study under

- - - -------------
*    Confidential treatment requested. The redacted material has been separately
     filed wit the Commission.


                                      - 5 -


<PAGE>

      this  Article  3. and shall use its  commercially  reasonable  efforts  to
      develop  the  Prototype  Formulations.  Up to three  (3) of the  developed
      Prototype  Formulations shall be chosen by mutual agreement by the Parties
      for further study and development.

      The  Parties  recognize  that  the  Specifications  mutually  agreed  upon
      eventually will need to be updated with more detailed  specifications  for
      the Final Product in the course of the  development,  and in such case the
      Parties  agree  to  mutually  agree  on any  reasonable  amendment  of the
      Specifications.

3.2   The  development  of the Prototype  Formulations  shall  include,  but not
      necessarily be limited to, the following elements:

      (a)   Development and establishment of analytical  methodology specific to
            the characterization of such Prototype Formulations;

      (b)   Qualitative  and  quantitative  characterization  of such  Prototype
            Formulation;

      (c)   In-vitro   release  profile   characterization   of  such  Prototype
            Formulations  and the  Originator by using  appropriate  methodology
            mutually agreed to by the Parties;

      (d)   Elaboration of pre-scale up procedures and the production of samples
            (2000  units  +/-  10%) of the  chosen  Prototype  Formulations  for
            evaluation  by  KRYPTON,  and for use in the  Pilot  Pharmacokinetic
            Study under Article 4. below; and

      (e)   Accelerated  stability testing of Prototype  Formulations to provide
            *.

3.3   GENTA JAGO will ensure the use of  generally  accepted  standards  of Good
      Laboratory  and  Manufacturing  Practices  during the  performance  of the
      feasibility study.

3.4   Within thirty (30) days of the completion of the feasibility  study, GENTA
      JAGO shall supply KRYPTON with a report (the  "Feasibility  Study Report")
      reasonably  detailing the development of the Prototype  Formulation(s) and
      containing one (1) month accelerated  stability data only. A supplement to
      the Feasibility Study Report  containing the * accelerated  stability data
      will be forwarded sixty (60) days later.

3.5   Prior to the commencement of the Feasibility Study GENTA JAGO shall submit
      to KRYPTON * for the entire  Feasibility Study which * shall be reasonably
      acceptable to KRYPTON.  KRYPTON shall reimburse GENTA JAGO's *, reasonably
      incurred by GENTA JAGO during the  Feasibility  Study,  including  but not
      limited to costs,  expenses  and fees paid to Jago  Pharma and third party
      contractors,  by the  payment of  non-refundable  development  fees.  Such
      development  costs  shall be  refunded  by  KRYPTON  to GENTA  JAGO * upon
      receipt by KRYPTON of an invoice from GENTA JAGO or Jago Pharma AG.

- - - -------------
*    Confidential treatment requested. The redacted material has been separately
     filed wit the Commission.


                                      - 6 -


<PAGE>

3.6   In the  event  that the  results  of the  feasibility  study  conclusively
      demonstrate  that  no  Prototype  Formulation  has  been  developed  which
      reasonably meets the Specifications to the good faith mutual  satisfaction
      of KRYPTON  and GENTA  JAGO,  the  Parties  agree to enter into good faith
      negotiations  in order to  determine  an  appropriate  course  of  action,
      including,  but not limited to,  that the  Parties may  mutually  agree to
      abandon the development  program under this Agreement,  and terminate this
      Agreement with immediate effect.


                                    ARTICLE 4
                           PILOT PHARMACOKINETIC STUDY

4.1   Included as part of the  feasibility  study described in Article 3. above,
      KRYPTON shall, at its own  responsibility  and its own cost,  sub-contract
      under confidentiality  commitments  comparable in all material respects to
      the  provisions  set forth  herein  between  GENTA JAGO and  KRYPTON to an
      external qualified clinical research  organization  (hereinafter "CRO") to
      perform a pilot pharmacokinetic study pursuant to this Article 4.

4.2   The Pilot Pharmacokinetic  Study shall consist of commercially  reasonable
      and  appropriately  designed  * of  the  Prototype  Formulations  and  the
      Originator. KRYPTON shall reasonably consult with GENTA JAGO in the design
      of the Pilot  Pharmacokinetic  Study and shall  review the final  protocol
      with GENTA JAGO prior to initiating work with the selected sub-contractor.
      The Pilot  Pharmacokinetic  Study shall be  conducted in  accordance  with
      generally  accepted  standards of Good Clinical Practice and in compliance
      with Ethical  Committee  requirements  or equivalent  requirements,  where
      applicable.

4.3   Prior to the  commencement of the Pilot  Pharmacokinetic  Study GENTA JAGO
      shall submit to KRYPTON * for the entire Pilot Pharmacokinetic Study which
      * shall be reasonably acceptable to KRYPTON. KRYPTON shall reimburse GENTA
      JAGO's  *,   reasonably   incurred   by  GENTA   JAGO   during  the  Pilot
      Pharmacokinetic  Study,  including but not limited to costs,  expenses and
      fees paid to Jago  Pharma and third party  contractors,  by the payment of
      non-refundable  development fees. Such development costs shall be refunded
      by  KRYPTON to GENTA  JAGO * upon  receipt  by KRYPTON of an invoice  from
      GENTA JAGO or Jago Pharma AG.

4.4   KRYPTON shall  provide  GENTA JAGO with a copy of the report  (hereinafter
      referred  to as  the  "Pilot  Pharmacokinetic  Study  Report")  reasonably
      detailing  the results of the Pilot  Pharmacokinetic  Study within six (6)
      weeks as of the study's  completion and  presentation  of the  preliminary
      data for GENTA JAGO's file.

4.5   GENTA JAGO shall  have no  liability  or  responsibility  whatsoever  with
      respect to such Pilot Pharmacokinetic  Study, including without limitation
      the availability or quality of the

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      results and data from such Pilot  Pharmacokinetic  Study to be carried out
      by KRYPTON and the CRO.

      4.6 In the  event  that the  results  of the Pilot  Pharmacokinetic  Study
      conclusively  demonstrate  that it is not fully  demonstrated  to the good
      faith mutual  satisfaction  of KRYPTON and GENTA JAGO that at least one of
      the Prototype Formulations reasonably meet the respective  Specifications,
      the Parties may  mutually  agree to abandon  the  development  program and
      terminate this Agreement with respect to such Prototype Formulation.


                                    ARTICLE 5
                             PRE-SCALE-UP ACTIVITIES

5.1   Upon completion of the Pilot  Pharmacokinetic  Study,  KRYPTON may, at its
      option,  request  and  charge  GENTA  JAGO to carry  out the  pre-scale-up
      activities as described in this Article 5. (hereinafter referred to as the
      "Pre-Scale-Up Activities"). KRYPTON shall, within thirty (30) days as from
      the date of the Pilot Pharmacokinetic Study Report notify in writing GENTA
      JAGO of its  decision  whether  to  proceed  with and to have  GENTA  JAGO
      perform the Pre-Scale-Up Activities.

5.2   Prior to the commencement of the Pre-Scale-Up  Activities GENTA JAGO shall
      submit to KRYPTON * for the entire  Pre-Scale-Up  Activities which * shall
      be reasonably acceptable to KRYPTON.  KRYPTON shall reimburse GENTA JAGO's
      *,  reasonably  incurred by GENTA JAGO during the  Pre-Scale  Up activity,
      including but not limited to costs,  expenses and fees paid to Jago Pharma
      and third party contractors,  by the payment of non-refundable development
      fees. Such pre scale up costs shall be refunded by KRYPTON to GENTA JAGO *
      upon receipt by KRYPTON of an invoice from GENTA JAGO or Jago Pharma AG.

5.3   The  Pre-Scale-Up  Activities to be performed by GENTA JAGO shall comprise
      all reasonable  activities  necessary to allow the technology transfer to,
      and subsequent scale-up at, the mutually  established  manufacturing site,
      including,  but  not  limited  to,  final  optimization  of the  Prototype
      Formulation (where necessary),  development and validation of the scale-up
      manufacturing  procedure  and  analytical  validation.  Such  Pre-Scale-Up
      Activities  shall be completed within the time period mutually agreed upon
      by the  Parties  in  Appendix  D  hereto,  calculated  as from the date of
      receipt of the  KRYPTON's  notice by GENTA JAGO  pursuant  to Section  5.1
      above.

5.4   In  the  event  that  additional   clinical  testing,   including  without
      limitation,  confirming pharmacokinetic studies, is reasonably required or
      deemed necessary  beyond the program  envisaged in this Agreement in order
      to  satisfy  the  FDA  requirements  for an NDA or  ANDA  approval  of the
      Product,  KRYPTON  and GENTA  JAGO shall meet to discuss in good faith the
      appropriate  course  of  action to be  followed  and  agree  upon any such
      additional  testing to be  performed,  provided  that any such  additional
      testing shall in any

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      event be funded solely by KRYPTON.

5.5   Not later than upon the  initiation of the  Pre-Scale-Up  Activities,  the
      Parties shall  establish  and mutually  agree upon a  manufacturing  site,
      where the  Bio-Batches  referred to in Section 7.2 below  required for the
      pivotal  clinical  studies  will be produced  and where the Final  Product
      shall be  manufactured  for commercial use after FDA  approval(s)  for the
      Final Product have been granted.


                                    ARTICLE 6
                        PRE-PIVOTAL PHARMACOKINETIC STUDY

6.1   Included as part of the Pre-Scale-Up Activities,  KRYPTON shall at its own
      responsibility  and its own cost,  perform  or have  performed  with a CRO
      selected by KRYPTON, a pre- pivotal pharmacokinetic study pursuant to this
      Article  6.  (hereinafter  referred  to as  "Pre-  Pivotal  Study").  Such
      Pre-Pivotal  Study shall consist of *, to select the best of the Prototype
      Formulations for each dose strength to be used in the further  development
      under this Agreement.

6.2   The Pre-Pivotal  Study shall be performed in the United States of America.
      KRYPTON shall  consult,  review and mutually  agree with GENTA JAGO on the
      design and final  protocol of such  Pre-Pivotal  Study prior to initiating
      work with the selected CRO.

6.3   KRYPTON  shall  reimburse  to GENTA JAGO * incurred by GENTA JAGO to cover
      its workload for  preparation  and consulting of such  Pre-Pivotal  Study.
      Such development  costs shall be paid by KRYPTON * upon receipt by KRYPTON
      of an invoice from GENTA JAGO or Jago Pharma AG.

6.4   KRYPTON shall  provide GENTA JAGO with a copy of the report  detailing the
      results of the  Pre-Pivotal  Study within ten (10) days of its  completion
      for  GENTA   JAGO's   file.   GENTA  JAGO  shall  have  no   liability  or
      responsibility   whatsoever  with  respect  to  such  Pre-Pivotal   Study,
      including  without  limitation,  the  performance  or conduct of such Pre-
      Pivotal Study or the  availability or quality of the results and data from
      such Pre-Pivotal Study to be carried out by KRYPTON and the CRO.

6.5   Upon completion of the Pre-Pivotal  Study and  availability of the results
      of such Pre- Pivotal  Study,  the Parties shall consult with each other on
      such results and mutually agree in writing upon the Prototype  Formulation
      to be selected for further development under this Agreement.  In the event
      that the results of the Pre-Pivotal Study are unsatisfactory in that it is
      not  fully  demonstrated  to the good  faith  mutual  satisfaction  of the
      Parties  that  at  least  one  of  the  Prototype  Formulations  meet  the
      respective  Specifications,  KRYPTON may elect to abandon the  development
      program  and  terminate  this  Agreement  with  respect to such  Prototype
      Formulation by giving written notice to that effect to GENTA JAGO.


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                                    ARTICLE 7


                               FURTHER ACTIVITIES

7.1   Technology Transfer

      Upon  mutual  agreement  of  the  Prototype  Formulation  to be  used  for
      development  as  referred  to in Section  6.5  above,  GENTA JAGO shall be
      responsible  for and initiate the technology  transfer to, and perform the
      scale-up at, the manufacturing  site mutually  established and agreed upon
      by the Parties.  GENTA JAGO agrees that such technology  transfer,  and in
      particular  the aspects of scale-up and  validation  of the  manufacturing
      process  shall be  carried  out by GENTA JAGO on such  equipment  as shall
      eventually  be used by KRYPTON or a third party to  manufacture  the Final
      Product. Upon completion of such scale-up, GENTA JAGO shall notify KRYPTON
      thereof in writing.

7.2   Production of Industrial Scale Batches

      Upon receipt by KRYPTON of GENTA JAGO's notice  referred to in Section 7.1
      above,  the Parties shall  initiate the production of three (3) industrial
      scale  batches  (hereinafter  "Bio-Batches")  on such  equipment  as shall
      eventually  be used KRYPTON or a third party to  commercially  manufacture
      the Final Product,  based on the Prototype  Formulation  (the size of each
      Bio-Batch to be not less than the greater of (i) 10% (ten  percent) of the
      anticipated  initial  commercial  batch size,  or (ii)  100,000  tablets),
      according to Current Good Manufacturing Practices,  such Bio-Batches to be
      subsequently  used for  stability  testing and pivotal  clinical  studies;
      provided however,  that GENTA JAGO shall have the ultimate  responsibility
      with  respect  of any and all  technical  aspects  of such  production  of
      batches related to the technology  transfer and the implementation of such
      technology in the manufacturing site.


7.3   Funding of Further Activities

      (a)   Prior to the  commencement of any activities  under Sections 7.1 and
            7.2 above  GENTA  JAGO shall  submit to  KRYPTON * for such  further
            activities  which *  shall  be  reasonably  acceptable  to  KRYPTON.
            KRYPTON  shall refund  GENTA  JAGO's * reasonably  incurred by GENTA
            JAGO under Sections 7.1 and 7.2 above,  including but not limited to
            costs,  expenses  and  fees  paid to Jago  Pharma  and  third  party
            contractors, by the payment of non-refundable development fees. Such
            further  development  costs  shall be  refunded  by  KRYPTON  * upon
            receipt by KRYPTON of an invoice from GENTA JAGO or Jago Pharma AG.

      (b)   Furthermore,  KRYPTON shall be responsible, at its own cost, for the
            supply of all raw material including, but not limited to, the Active
            Ingredients  required or necessary for, and all additional costs and
            expenses  whatsoever  arising  out  of or in  connection  with,  the
            production of the Bio-Batches described in Section 7.2

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            above and all other  costs  associated  with the use of  facilities,
            technology transfer, equipment and analytical services.

7.4   Stability Testing

      (a)   KRYPTON shall be  responsible  for and perform or have  performed at
            its own cost, the stability  testing of the Final Product  according
            to the then current requirements of the FDA in bulk packaging and in
            the final packaging materials. GENTA JAGO shall have no liability or
            responsibility  whatsoever  with respect to such stability  testing,
            including  without  limitation,  the  performance or conduct of such
            stability  testing or the availability or quality of the results and
            data from such  stability  testing to be carried out or requested by
            KRYPTON.

      (b)   KRYPTON  shall  provide to GENTA  JAGO with a copy of all  stability
            testing data within  thirty (30) days after the  completion  of each
            stability  testing  period  (hereinafter  referred  to as the "Final
            Stability Testing Report") for GENTA JAGO's file.

      (c)   GENTA JAGO agrees to provide  additional  technical  assistance  and
            consultation as may be reasonably requested by KRYPTON in connection
            with the stability  testing of the Final Product.  KRYPTON shall pay
            to GENTA JAGO for such  services  provided  by GENTA  JAGO's or Jago
            Pharma's  personnel  an amount of USD * or part thereof  spent,  and
            furthermore,  KRYPTON shall  reimburse GENTA JAGO for all reasonable
            and documented  travel related  expenses of GENTA JAGO personnel who
            travel  at  KRYPTON's   request  to   locations   remote  from  such
            personnel's usual working location.

7.5   Further Provisions

      In the event that KRYPTON and GENTA JAGO shall reasonably deem the results
      or data from any of the  activities  to be performed by either Party under
      this Article 7. with respect to any dose  strength be  unsatisfactory  for
      any  reason,  the Parties may  mutually  agree to abandon the  development
      program and terminate this Agreement with immediate effect.

                                    ARTICLE 8
                             PIVOTAL CLINICAL STUDY

8.1   Promptly upon completion of the further activities  referred to in Article
      7.  above,  KRYPTON  shall,  at its own  responsibility  and its own cost,
      sub-contract   under   confidentiality   commitments   comparable  to  the
      provisions  set forth herein between GENTA JAGO and KRYPTON to an external
      qualified  CRO of its choice,  reasonably  acceptable  to GENTA  JAGO,  to
      perform    and   manage   a   series   of   pivotal    clinical    studies
      (hereinafter"Clinical  Studies") in man required and/or  necessary for any
      subsequent  NDA or ANDA for the Final Product in accordance  with the then
      current requirements of the FDA.

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8.2   KRYPTON shall consult,  review and agree with GENTA JAGO on the design and
      the final protocol of such Clinical  Studies prior to initiating work with
      the selected subcontractor.

8.3   KRYPTON  shall  reimburse  to GENTA JAGO the *  incurred  by GENTA JAGO to
      cover  its  workload  for  preparation  and  consulting  of such  Clinical
      Studies. Such development costs shall be paid by KRYPTON * upon receipt by
      KRYPTON of an invoice from GENTA JAGO or Jago Pharma AG.

8.4   KRYPTON shall  provide GENTA JAGO with a copy of the report  detailing the
      results of the Clinical Studies within ten (10) days of its completion for
      GENTA JAGO's file.

8.5   GENTA JAGO shall  have no  liability  or  responsibility  whatsoever  with
      respect  to such  Clinical  Studies,  including  without  limitation,  the
      performance  or conduct of such Clinical  Studies or the  availability  or
      quality of the results and data from such  Clinical  Studies to be carried
      out or requested by KRYPTON.

8.6   In the  event  that  the  results  of the  Pivotal  Clinical  Studies  are
      unsatisfactory  in that it is not  fully  demonstrated  to the good  faith
      mutual   satisfaction  of  KRYPTON  and  GENTA  JAGO  that  the  Prototype
      Formulation  reasonably meets the respective  Specifications,  the Parties
      may mutually agree to abandon the  development  program and terminate this
      Agreement with respect to such dose strength.


                                    ARTICLE 9
                     THE REGULATORY (NDA OR ANDA) SUBMISSION

9.1   Upon completion of the Clinical Studies, KRYPTON may, at its option, elect
      to prepare  and  submit to the FDA an NDA or ANDA.  KRYPTON  shall  notify
      GENTA JAGO of its  election to exercise or not to exercise  this option by
      giving  written notice thereof to GENTA JAGO within thirty (30) days as of
      the availability of the results of the Clinical Studies.

9.2   In the event that KRYPTON elects pursuant to Section 9.1 above to make NDA
      or ANDA submission(s) to any Regulatory  Authority with respect to a Final
      Product,  KRYPTON  shall have sole  liability and  responsibility  for the
      prosecution,  conduct  and  results of such NDA or ANDA and shall bear all
      costs in connection therewith.  KRYPTON, at KRYPTON's option, may elect by
      written  notice to GENTA  JAGO  prior to  commencement  of the  technology
      transfer  referred to in Section 7.1 above to have the NDA or ANDA dossier
      prepared on its behalf by a  qualified  third  party  acceptable  to GENTA
      JAGO.  KRYPTON  shall be  liable  and  responsible  for any and all  costs
      associated with such sub-contracting.

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9.3   KRYPTON or its chosen  sub-contractor  shall consult with GENTA JAGO,  and
      GENTA  JAGO  agrees  to  provide  additional   technical   assistance  and
      consultation  as may be  reasonably  requested  by  KRYPTON  or the chosen
      sub-contractor,  in connection with the preparation and prosecution of any
      NDA or ANDA or with the  preparation of the dossier to be submitted to the
      FDA.  KRYPTON shall pay to GENTA JAGO for such  services and  consultation
      provided by GENTA JAGO's  personnel an amount of USD * or any part thereof
      spent. Furthermore,  KRYPTON shall reimburse GENTA JAGO for reasonable and
      documented  travel-related  expenses of GENTA JAGO personnel who travel at
      KRYPTON's  request to the  elected  manufacturing  facility(ies)  or other
      locations remote from such personnel's usual working location.


                                   ARTICLE 10
                         PROPRIETARY RIGHTS AND PATENTS

10.1  Patents and Proprietary Rights of GENTA JAGO

      (a)   The Licensor and GENTA JAGO, respectively, shall retain title to and
            ownership of Patents,  Know-How and GEOMATRIX(R) Technology licensed
            to  GENTA  JAGO,  including,   but  not  limited  to,  any  and  all
            developments  and  inventions  relating  to  Patents,  Know-How  and
            GEOMATRIX(R)  Technology  (hereinafter  collectively  referred to as
            "GENTA JAGO IPR").

      (b)   KRYPTON  shall not,  directly or  indirectly  through its  officers,
            directors,  employees,  agents,  customers  or other  controlled  or
            associated  third parties,  acquire any  proprietary  interest in or
            other  right  to  GENTA  JAGO  IPR,  other  than  provided  in  this
            Agreement.

      (c)   GENTA JAGO shall use all commercially reasonable efforts, at its own
            cost,  to cause the Licensor to prepare,  prosecute and maintain all
            patent applications and patents constituting Patents, and shall keep
            KRYPTON fully and promptly  informed on any  developments or changes
            relating  thereto.  If the Licensor decides not to further prosecute
            any  patent  application  constituting  Patents,  GENTA  JAGO  shall
            promptly inform KRYPTON of such decision in writing, and the Parties
            shall,  upon KRYPTON's  reasonable  written  request,  meet with the
            Licensor to discuss any reasonable  appropriate  action.  During the
            term of this Agreement,  GENTA JAGO shall, at its sole cost, use all
            commercially  reasonable  efforts to cause the  Licensor to take all
            steps  necessary to maintain  Patents to the extent GENTA JAGO deems
            commercially reasonable. If the Licensor decides not to maintain any
            patent  constituting  Patents,  GENTA  JAGO  shall  promptly  inform
            KRYPTON of such  decision in writing,  and the Parties  shall,  upon
            KRYPTON's  reasonable  written  request,  meet with the  Licensor to
            discuss  any  reasonable  appropriate  action.  Notwithstanding  the
            foregoing,  KRYPTON acknowledges to GENTA JAGO that Licensor has the
            final  authority   regarding  such   preparation,   prosecution  and
            maintenance of all patent applications and patents.

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10.2  Patents and Proprietary Rights for Final Products

      (a)   KRYPTON  shall  retain title to and  ownership of all  developments,
            whether patentable or not, relating  specifically and exclusively to
            the Final  Products,  provided that such  developments  are entirely
            independent of any and all GENTA JAGO IPR (hereinafter  collectively
            referred to "Final Product IPR").

      (b)   KRYPTON shall be responsible for and shall control, at its own cost,
            the  preparation,  prosecution  and maintenance of all Final Product
            IPR and shall keep GENTA JAGO  fully and  promptly  informed  on any
            developments or changes  relating  thereto.  During the term of this
            Agreement, KRYPTON shall, at its sole cost, take all steps necessary
            to prosecute  and/or  maintain  all Final  Product IPR to the extent
            KRYPTON deems  commercially  reasonable.  If KRYPTON  intends not to
            further  prosecute  and/or  maintain  any of the Final  Product IPR,
            KRYPTON  shall  promptly  inform  GENTA  JAGO of such  intention  in
            writing, and GENTA JAGO shall have the right and option, but not the
            obligation, to have transferred to it sole title to and ownership in
            such  Final  Product  IPR free of any  charge by  giving  respective
            written  notice  thereof to KRYPTON  within  thirty  (30) days after
            GENTA JAGO's receipt of KRYPTON's notice referred to above.

      (c)   In the event  GENTA  JAGO has and  exercises  its  right and  option
            referred  to Section  10.2 (b) above to have  transferred  to it any
            such Final Product IPR, KRYPTON shall promptly undertake any and all
            steps required  and/or  necessary to transfer title to and ownership
            of such Final  Product  IPR to GENTA  JAGO.  In the event that GENTA
            JAGO exercises its option to have transferred such Final Product IPR
            from  KRYPTON to GENTA JAGO,  GENTA JAGO shall  maintain  such Final
            Product IPR during the term of this  Agreement  to the extent  GENTA
            JAGO  deems   commercially   reasonable  and  shall  bear  all  cost
            associated  therewith incurred after the date of GENTA JAGO's notice
            to KRYPTON  exercising  its option  referred to in Section  10.2 (b)
            above.  In such case, the Parties shall  negotiate in good faith the
            terms and condition,  under which such Final Product IPR transferred
            to GENTA JAGO shall be included  in the License  pursuant to Article
            11. below.

10.3  Notification of Infringement

      (a)   If KRYPTON  becomes aware of (i) any product or activity of any kind
            that involves or may involve an  infringement  or violation of GENTA
            JAGO IPR or Final Product IPR or (ii) any third-party action,  claim
            or dispute  (including,  but not limited to, actions for declaratory
            judgment alleging the invalidity or non- infringement) based upon or
            arising out of GENTA JAGO IPR or Final  Product  IPR,  then  KRYPTON
            shall   promptly   notify   GENTA   JAGO  in  writing  of  any  such
            infringement, violation, action, claim or dispute.

      (b)   If GENTA JAGO  becomes  aware of (i) any  product or activity of any
            kind that


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            involves or may involve an  infringement  or violation of GENTA JAGO
            IPR with respect to Final  Products or of Final Product IPR; or (ii)
            any third-party action, claim or dispute (including, but not limited
            to,  actions for  declaratory  judgment  alleging the  invalidity or
            non-infringement)  based upon or arising  out of GENTA JAGO IPR with
            respect to Final  Products or of Final  Product IPR, then GENTA JAGO
            shall promptly  notify KRYPTON in writing of any such  infringement,
            violation, action, claim or dispute.

10.4  Enforcement of GENTA JAGO IPR

      (a)   GENTA JAGO, at its sole expense,  shall have the right,  but not the
            obligation,  (i) to determine  the  appropriate  course of action to
            enforce,   or  otherwise  abate  the   infringement  of,  or  defend
            third-party  actions  regarding,  GENTA JAGO IPR,  (ii) to take,  or
            refrain  from  taking,  appropriate  action  to  enforce,  or defend
            third-party actions regarding,  GENTA JAGO IPR, (iii) to control any
            litigation or other enforcement action regarding GENTA JAGO IPR, and
            (iv) to enter into, or permit, the settlement of any such litigation
            or other  enforcement  action  regarding  GENTA JAGO IPR. GENTA JAGO
            shall  keep  KRYPTON  informed  on a regular  basis on its taking or
            refraining from taking, and the development of, any of the foregoing
            actions, and shall consider, in good faith, the interests of KRYPTON
            under this  Agreement when taking any of the foregoing  actions,  to
            the extent  that any such  action or such  infringement  may have an
            adverse  effect on Final Product.  KRYPTON  shall,  at its own cost,
            fully  cooperate with GENTA JAGO in the planing and execution of any
            suit or other  action  to  enforce,  or defend  third-party  actions
            regarding,  GENTA JAGO IPR as  reasonably  required or  requested by
            GENTA JAGO.

      (b)   If GENTA JAGO does not within  one-hundred-twenty (120) days, or any
            shorter delay imposed by any  applicable  law or regulation or court
            or authority  having  jurisdiction,  after  receiving  notice of any
            infringement  or  violation  of GENTA  JAGO IPR which may  adversely
            affect  Final  Products,  or of any  third-party  action,  claim  or
            dispute  based  upon or  arising  out of GENTA  JAGO IPR  which  may
            adversely  affect  Final  Products,  commence  or take an  action to
            enforce,  or otherwise  abate such  infringement,  or defend against
            such  third-party  action,  then the Parties  shall,  upon KRYPTON's
            written request, promptly meet to discuss any reasonable appropriate
            action with regard to such  enforcement  of GENTA JAGO IPR which may
            adversely affect Final Products,  provided however,  that KRYPTON is
            aware and acknowledges  that in such case the Licensor will have the
            right to enforce any and all GENTA JAGO IPR  pursuant to the License
            Agreements.

      (c)   Subject to the right of the  Licensor  to control  any suit or other
            action with  regard to GENTA JAGO IPR as  outlined in the  preceding
            section,  KRYPTON, upon its written request and at its sole expense,
            shall be made an additional,  but not controlling party, in any such
            suit or other  action  where  necessary  to obtain  complete  relief
            regarding the subject infringement or violation.


                                     - 15 -


<PAGE>

10.5  Enforcement of Final Product IPR

      (a)   KRYPTON,  at its sole  expense,  shall have the  right,  but not the
            obligation,  (i) to determine  the  appropriate  course of action to
            enforce,   or  otherwise  abate  the   infringement  of,  or  defend
            third-party  actions regarding,  Final Product IPR, (ii) to take, or
            refrain  from  taking,  appropriate  action  to  enforce,  or defend
            third-party  actions regarding,  Final Product IPR, (iii) to control
            any litigation or other  enforcement  action regarding Final Product
            IPR, and (iv) to enter into, or permit,  the  settlement of any such
            litigation or other enforcement  action regarding Final Product IPR.
            Notwithstanding   anything  contained  in  the  preceding  sentence,
            KRYPTON shall not settle any suit or action or otherwise  consent to
            an adverse judgment in such suit or action without the prior written
            consent  of  GENTA  JAGO,   which  consent  shall  not  be  withheld
            unreasonably.  KRYPTON  shall keep GENTA JAGO  informed on a regular
            basis on its taking or refraining  from taking,  and the development
            of, any of the foregoing actions, and shall consider, in good faith,
            the  interests of GENTA JAGO under this  Agreement and in GENTA JAGO
            IPR, when taking any of the foregoing actions.

      (b)   If KRYPTON does not,  within  one-hundred-and-twenty  (120) days, or
            any shorter  delay  imposed by any  applicable  law or regulation or
            court or authority  having  jurisdiction,  after receiving notice of
            any  infringement  or  violation  of Final  Product  IPR,  or of any
            third-party  action,  claim or dispute  based upon or arising out of
            Final  Product  IPR,  commence  or take an  action  to  enforce,  or
            otherwise   abate  such   infringement,   or  defend   against  such
            third-party  action,  then GENTA JAGO shall have the right,  but not
            the obligation, at its sole expense, to take and control such action
            as it deems appropriate to enforce, or abate the infringement of, or
            defend against such third-party action, regarding Final Product IPR.
            GENTA JAGO shall keep  KRYPTON  informed  on a regular  basis of any
            such action and  consider,  in good faith,  the interests of KRYPTON
            under  this  Agreement  when  taking any of the  foregoing  actions.
            KRYPTON, upon its written request and at its sole expense,  shall be
            made an additional,  but not controlling  party, in any such suit or
            other  action  controlled  by GENTA JAGO where  necessary  to obtain
            complete relief regarding the subject infringement or violation.

10.6  Application of Monies Recovered

            Subject  always to the right of the  Licensor to control any suit or
            other  action  with  regard to GENTA JAGO IPR as outlined in Section
            10.4(c) and any right to receive any monies  recovered  therefrom as
            provided for in the License  Agreements,  all monies  recovered upon
            the final  judgment or  settlement of any suit or other action under
            this Sections 10.4 or 10.5 shall be applied as follows:


                                     - 16 -


<PAGE>

      (i)   to cover any and all costs and expenses (including  attorney's fees)
            incurred by the Party controlling such suit or other action;

      (ii)  to cover any and all costs and expenses (including  attorney's fees)
            reasonably,  or upon request of the controlling  Party,  incurred by
            the other Party in  connection  with such suit or other  action,  if
            any;

      (iii) the  remainder,  if any, to the Party  controlling  any such suit or
            other action.


                                   ARTICLE 11
                              SUB-LICENSE AGREEMENT

11.1  GENTA JAGO hereby grants to KRYPTON the exclusive and sublicenseable right
      and  sub-license  (hereinafter  referred  to as  the  "License")  to  use,
      manufacture, have manufactured,  sell and market the Final Products in the
      Territory  and to use the Patents,  GEOMATRIX(R)  Technology  and Know How
      exclusively  for that  purpose  subject  to the  payment  of the * and the
      Royalties pursuant to Articles 13. and 14. below.

11.2  The  rights  of  KRYPTON  to  grant  any  sub-license  in any  part of the
      Territory  shall be subject to the  requirement  that KRYPTON shall obtain
      the written approval of GENTA JAGO prior to executing any such sub-license
      agreement,  which approval shall not  unreasonably  be withheld,  provided
      however,  that no such  approval by GENTA JAGO shall be  required  for any
      sub-license to an Affiliate of KRYPTON .

11.3  In any event KRYPTON shall be responsible for any and all acts,  deeds and
      undertakings  of  its  permitted   sub-licensee(s)  and  KRYPTON  and  its
      permitted  sub-licensee(s)  shall  continue  to be bound by all  terms and
      provisions under this Agreement  throughout its term. In case that KRYPTON
      sub-licenses rights and/or the License to any sub-licensee(s)  approved by
      GENTA JAGO, such sub-licensee(s)  shall agree in writing to any and all of
      KRYPTON's obligations and undertakings under this Agreement, including but
      not  limited to its  confidentiality  obligations  set forth  hereinafter.
      Furthermore,  KRYPTON  undertakes that any and all sub-license  agreements
      shall  provide  for  inspection  and  audit  provisions  identical  to the
      provisions  set forth  below in order to enable  GENTA JAGO to control and
      audit and receive any and all fees and  Royalties  due as provided in this
      Agreement.  KRYPTON shall  provide  GENTA JAGO  promptly  with  reasonable
      appropriate   information  on  its   sub-licensee(s)  and  copies  of  all
      agreements with such  sub-licensee(s)  (with only the commercial terms may
      be redacted).


                                   ARTICLE 12
                       MANUFACTURING AND PRODUCT LIABILITY

12.1  In the event that  KRYPTON,  subject to Section  5.5 above,  elects  GENTA
      JAGO, and GENTA JAGO expressly agrees to such  manufacture,  or any of its
      Affiliates shall

- - - -------------
*    Confidential treatment requested. The redacted material has been separately
     filed wit the Commission.


                                     - 17 -


<PAGE>

      manufacture  Final  Products,  then the  Parties  agree to enter into good
      faith  negotiations  on and  to use  commercially  reasonable  efforts  to
      execute  in due time a  respective  Manufacturing  and  Supply  Agreement,
      according  to  which  GENTA  JAGO or its  Affiliates  shall  undertake  to
      manufacture  and supply Final  Products in  sufficient  quantities to meet
      KRYPTON's   requirements,   at  a  sale  price  for  such  Final  Products
      manufactured  equal to GENTA JAGO's *  In the event and for such period of
      time,  that GENTA JAGO or its Affiliate  manufactures  and supplies  Final
      Product under such  Manufacturing and Supply  Agreement,  the Royalty Rate
      referred to in Section 14.1 below shall be *.

12.2  In the event that KRYPTON or any of its  Affiliates  or any third party is
      elected pursuant to Section 5.5 above to manufacture  Final Product,  then
      KRYPTON  undertakes and agrees that at all times the Specifications and to
      any and all laws, rules and regulations imposed by any competent authority
      on the manufacturing,  marketing,  distribution and sale of Final Products
      are strictly adhered to by the manufacturer,  and KRYPTON shall during the
      entire term of this  Agreement be solely and fully liable and  responsible
      for the  compliance  with  all  such  laws,  rules  and  regulations  when
      manufacturing,  having manufactured,  marketing,  distributing and selling
      Final Products itself and/or through Affiliates or sub- licensee(s).

12.3  KRYPTON shall  indemnify,  defend and hold GENTA JAGO,  its Affiliates and
      the Licensor  harmless from and against any losses,  claims,  liabilities,
      costs and  expenses  (including  reasonable  attorney's  fees) that may be
      imposed upon or asserted  against GENTA JAGO and/or its Affiliates  and/or
      the Licensor as a result of the marketing, distributing,  manufacture, use
      or sale of Final  Products  by or on behalf of  KRYPTON,  its  Affiliates,
      agents or sub-licensee(s), except for those claims, liabilities, costs and
      expenses  arising from gross  negligence or intentional  misconduct on the
      part of GENTA JAGO, its Affiliates or the Licensor.


                                   ARTICLE 13
                       * PAYMENTS AND OTHER CONSIDERATION

13.1  As consideration for GENTA JAGO's preliminary  development efforts for the
      Prototype  Formulation  performed prior to the execution of this Agreement
      as referred to in Section 2.1 above,  KRYPTON  undertakes  to pay to GENTA
      JAGO an initial *, payable upon execution of this Agreement.

13.2  As  consideration  for the License  granted by GENTA JAGO to KRYPTON under
      this Agreement and in  consideration  of certain major  development  steps
      achieved hereunder, KRYPTON undertakes to pay to GENTA JAGO a *:


- - - -------------
*    Confidential treatment requested. The redacted material has been separately
     filed wit the Commission.


                                     - 18 -


<PAGE>

      (a)   * KRYPTON's  receipt of GENTA JAGO's  notice  referred to in Section
            7.1 above; and

      (b)   *; and

      (c)   * for the Final Product; and

      (d)   * for the Final Product.

13.3  Unless otherwise agreed by the Parties in writing, all payments under this
      Article 13.  shall be made in United  States  Dollars and to such place or
      account as GENTA JAGO reasonably requests from time to time in writing.


                                   ARTICLE 14
                                    ROYALTIES

14.1  During a period commencing upon the first commercial sale of Final Product
      in each  country of the  Territory  and ending upon the earlier of (i) the
      fifteenth (15th) anniversary of the first commercial sale of Final Product
      in such country of the  Territory,  and (ii) the expiration of the last of
      the  Patents  covering  Final  Product in such  country  of the  Territory
      (hereinafter   referred  to  as   the"Royalty   Term"),   and  in  further
      consideration  of the License  granted to KRYPTON by GENTA  JAGO,  KRYPTON
      shall  pay  to  GENTA  JAGO  a  royalty   (hereinafter   referred   to  as
      the"Royalty")  of an  amount  equal  to * of  the  Final  Product  in  the
      Territory.

14.2  The Parties agree that * shall be  applicable  for the first time on sales
      of such Final Product in such country of the Territory after the beginning
      of the calendar quarter immediately following the first commercial sale of
      such Competitive Product.

14.3  Royalties  shall be payable on a quarterly  basis.  KRYPTON shall remit to
      GENTA JAGO within six (6) weeks after the end of each calendar quarter the
      amount of Royalty due with respect to Net Sales and/or  Gross  Margin,  as
      the case may be,  achieved in the preceding  quarter,  beginning  with the
      calendar  quarter in which the first  commercial sale of the Final Product
      is made in any country of the  Territory.  KRYPTON  shall deliver to GENTA
      JAGO, along with such remittance of Royalty payments, a detailed statement


- - - -------------
*    Confidential treatment requested. The redacted material has been separately
     filed wit the Commission.


                                     - 19 -


<PAGE>

      (hereinafter  referred to as the "Royalty Report") of the Net Sales and/or
      Gross   Margin,   as  the  case  may  be,  of  the  Final   Product  on  a
      country-by-country basis to which the Royalty payment relates.

14.4  All  Royalty  Reports  shall be  prepared  in  accordance  with  generally
      accepted accounting principles consistently applied from applicable period
      to period  and shall be  certified  by an  officer  of KRYPTON as being so
      prepared, true, accurate and correct.

14.5  Unless otherwise  agreed by the Parties in writing,  payments of Royalties
      shall be made in United  States  Dollars  and to such  place or account as
      GENTA  JAGO  reasonably  requests  from  time  to  time  in  writing.  Any
      conversions  into United  States  Dollars  from the  currency in which the
      corresponding  Net Sales and/or Gross Margin for such Royalties were made,
      are to be  calculated  as using the average  closing  buying rate for such
      currency quoted in the continental  terms method of quoting exchange rates
      (local  currency per USD 1)  published  in the Wall Street  Journal on the
      last  business  day of the  applicable  reporting  period  covered by such
      Royalty Report.


                                   ARTICLE 15
                              INSPECTION AND AUDIT

15.1  During  the term of this  Agreement  and  during a period of  twelve  (12)
      months  after its  expiration  or  termination  for any  reason,  upon the
      written  request of GENTA JAGO and not more than once each calendar  year,
      KRYPTON  shall  permit  an  independent  certified  public  accountant  of
      internationally  recognized  standing  selected  by GENTA  JAGO,  at GENTA
      JAGO's  expense,  to have access during regular  business hours to such of
      the records of KRYPTON and its  Affiliates as may be reasonably  necessary
      to verify the accuracy of the Royalty Reports for any year ending not more
      than  thirty-six  (36)  months  prior  to the  date of such  request.  The
      accounting  firm shall  disclose  to GENTA JAGO only  whether  the Royalty
      Reports  and  records  of  KRYPTON  and its  Affiliates  and the amount of
      Royalties  actually  paid  are  correct  or not and the  specific  details
      concerning any  discrepancies;  no other information shall be shared.  The
      Parties  agree to accept such  written  audit  report as final and binding
      upon them.

15.2  If such  independent  accounting firm correctly  concludes that additional
      Royalties were owed during any such period audited, KRYPTON shall pay such
      additional  Royalties within ten (10) days of the date GENTA JAGO delivers
      to KRYPTON such accounting  firm's written report so concluding.  The fees
      and expenses  charged by such  accounting  firm with respect to such audit
      shall be paid by GENTA JAGO; provided however, if any such audit correctly
      discloses  that  Royalties  payable by KRYPTON for the audited  period are
      more *, then KRYPTON shall pay all reasonable fees and expenses charged by
      such accounting firm with respect to such audit.

- - - -------------
*    Confidential treatment requested. The redacted material has been separately
     filed wit the Commission.


                                     - 20 -


<PAGE>

15.3  GENTA JAGO shall treat all financial  information  subject to review under
      this  Article  15. as  confidential  and  subject  to the  confidentiality
      obligations in Article 16. below.


                                   ARTICLE 16
                                 CONFIDENTIALITY

16.1  Confidential  Information.   KRYPTON  shall  maintain  in  confidence  all
      Know-How and other information of GENTA JAGO (including samples) disclosed
      by GENTA  JAGO and  identified  as, or  acknowledged  to be,  confidential
      (the"Confidential  Information"), and shall not use, disclose or grant the
      use of the Confidential Information except on a need- to-know basis to its
      directors,    officers,    employees,   agents,   consultants,    clinical
      investigators  or  other  permitted   contractors,   to  the  extent  such
      disclosure is reasonably necessary in connection with KRYPTON's activities
      as expressly  authorized by this Agreement.  To the extent that disclosure
      is authorized by this Agreement, prior to disclosure, KRYPTON hereto shall
      obtain  agreement in writing of any such person to hold in confidence  and
      not make use of the  Confidential  Information  for any purpose other than
      those  authorized  by this  Agreement.  KRYPTON  shall  notify  GENTA JAGO
      promptly upon the discovery of the  unauthorized  use or disclosure of the
      Confidential Information.

16.2  Permitted  Disclosures.  The  obligations of  confidentiality  and non-use
      contained  in Section  16.1 above  shall not apply to the extent  that (a)
      KRYPTON  (i) is required to disclose  information  by law,  regulation  or
      order of a governmental  agency or a court of competent  jurisdiction,  or
      (ii) is required to disclose  information to any  governmental  agency for
      purposes of obtaining  approval to test or market Final Product,  provided
      in each case that KRYPTON shall give GENTA JAGO written notice thereof and
      sufficient   opportunity  to  object  to  any  disclosure  or  to  request
      confidential  treatment  thereof,  or (b) KRYPTON can demonstrate that (i)
      the  disclosed  information  was  public  knowledge  at the  time  of such
      disclosure to it, or thereafter became public  knowledge,  other than as a
      result of actions of KRYPTON,  its  directors,  officers and  employees in
      violation hereof;  (ii) the disclosed  information was rightfully known by
      KRYPTON (as shown by its written  records) prior to the date of disclosure
      to it by  GENTA  JAGO  hereunder;  (iii)  the  disclosed  information  was
      disclosed to KRYPTON on an unrestricted  basis from a source  unrelated to
      any party to this  Agreement  and not under a duty of  confidentiality  to
      GENTA  JAGO  or the  Licensor;  or  (iv)  the  disclosed  information  was
      independently  developed  by  KRYPTON  without  the  use  of  Confidential
      Information disclosed by GENTA JAGO.

16.3  Terms of this  Agreement.  Except as  otherwise  provided in Section  16.2
      above,  neither  Party  shall  disclose  any terms or  conditions  of this
      Agreement to any third party (other than the  Licensor)  without the prior
      consent of the other Party.  Notwithstanding  the foregoing,  prior to the
      execution of this Agreement, the Parties shall agree upon the substance of
      information  that can be used to describe  the terms of this  transaction,
      and the Parties  may  disclose  such  information  only  without the other
      Party's consent.  Notwithstanding the foregoing, prior to the execution of
      the Agreement, the Parties shall


                                     - 21 -


<PAGE>

      agree upon the substance of  information  that can be used to describe the
      terms of this  transaction,  and the Parties may disclose such information
      without the other Party's consent.

16.4  Term  of  Confidentiality.  The  confidentiality  obligations  under  this
      Article 16 shall be effective  during the term of this Agreement and for a
      period of ten (10)  years  after the  expiration  or  earlier  termination
      hereof.

16.5  Injunctive  Remedies.  GENTA JAGO shall be entitled to injunctive remedies
      and relief  against  KRYPTON and its  Affiliates and any third parties for
      any breach or threatened breach of the  confidentiality  obligations under
      this Article 16.

16.6  Damages. In the event of a breach of the confidentiality  provisions under
      this Article 16 by KRYPTON,  its  Affiliates or its  directors,  officers,
      employees or any other  person who were given  access to the  Confidential
      Information  by  KRYPTON,  GENTA JAGO shall be  entitled  to receive  from
      KRYPTON any and all actual costs and damages caused by such breach.

16.7  Public Announcements. Neither Party shall make any press releases or other
      public  announcements  or  disclosures  regarding  the  execution  and the
      existence  of  this  Agreement  or  any  activities  conducted  hereunder,
      including  development  results,  filings and  registrations,  without the
      prior  written  consent  of  the  other  Party,  except  for  such  public
      disclosure as may be necessary in the opinion of any party's legal advisor
      in order not to be in violation of or default  under any  applicable  law,
      regulation or governmental  order, in such later event the party having an
      obligation  to  disclose  shall  submit to the other  party a draft of the
      required  announcement  and shall give the other party the  opportunity to
      request   reasonable   amendments  and   modifications  of  such  required
      announcement..


                                   ARTICLE 17
                              TERM AND TERMINATION

17.1  Term and Expiration

      (a)   This Agreement shall expire on a  country-by-country  basis upon the
            expiration of the Royalty Term.

      (b)   Upon  the  expiration  of  this  Agreement  in each  country  of the
            Territory  pursuant  to  Section  17.1 (a) above and  payment of all
            fees,  including  but not  limited to the *, and all  Royalties  and
            other payments by KRYPTON due GENTA JAGO under this  Agreement,  the
            License  shall  be  deemed  to be a  perpetual,  fully  paid-up  and
            royalty-free license for such Final Product and each such country of
            the Territory.

17.2  Termination Prior to Registration

- - - -------------
*    Confidential treatment requested. The redacted material has been separately
     filed wit the Commission.


                                     - 22 -


<PAGE>

      During the development,  test, study and registration  phases as specified
      in  Articles  3.  through  8.  above,   and  until  the  first  successful
      registration  approval of any Final Product by any  Regulatory  Authority,
      this  Agreement may be terminated in accordance  with the  provisions  set
      forth in Sections 3.6, 4.6, 6.5, 7.5 and 8.6 above.

17.3  Termination for Cause

      During the entire term of this  Agreement  either Party may terminate this
      Agreement by giving to the other Party written  notice to that effect,  if
      any of the following events occur:

      (a)   the other  Party is in default  or in breach of a term or  provision
            hereof and such  default  or breach  continues  and is not  remedied
            within  thirty (30) days upon the other Party's  written  request to
            remedy such default or breach; or

      (b)   the other Party shall commit a breach of any of the  confidentiality
            provisions of Article 16. above; or

      (c)   the other Party goes into  liquidation,  voluntarily  or  otherwise,
            other  than for the sole  purpose  of  reorganization,  or goes into
            bankruptcy or makes an assignment  for the benefit of creditors,  or
            in the event of a  receiver  being  appointed  of the other  Party's
            property or parts thereof.

17.4  Effect of Termination

      (a)   If KRYPTON  elects to so terminate the Agreement  under Section 17.2
            above prior to filing of the ANDA in the United  States,  then:  (i)
            such  termination  shall be without penalty or liability to KRYPTON;
            (ii) all rights and licenses  granted by GENTA JAGO hereunder  shall
            revert  to  GENTA  JAGO  with  respect  to  such   country(ies)   so
            terminated,  (iii)  KRYPTON be  relieved  of any  payments  that are
            scheduled  or may be made in the future under this  Agreement,  (iv)
            KRYPTON  shall  return to GENTA JAGO all  materials,  documentation,
            information,  data and  other  things  furnished  by  GENTA  JAGO in
            connection with this Agreement, including without limitation any and
            all  Confidential  Information,  together with all copies thereof in
            KRYPTON's  possession  or under its control,  (v) all  Registrations
            pertaining to the marketing of the Product shall be  transferred  to
            and be owned by GENTA JAGO as to the affected  country(ies)  and the
            data  generated  under  this  Agreement  shall  be  provided  to and
            thereafter may be freely used by GENTA JAGO to develop,  manufacture
            and market the Product; and (vi) GENTA JAGO and its Affiliates shall
            thereafter  be  entitled  to  exercise  such rights as they may have
            under their own license  agreements to make,  have made, use or sell
            the Product in the country(ies) so terminated  without  compensation
            or obligation to KRYPTON;  provided, that the foregoing rights under
            (iv) and (vi) shall not  create or imply any right or license  under
            any patent  rights,  copyright  rights,  trademarks  or trade names,
            know-how,  or other intellectual property rights owned or controlled
            by KRYPTON or its Affiliates.


                                     - 23 -


<PAGE>


      (b)   If KRYPTON elects to so terminate  this Agreement  subsequent to the
            filing of the ANDA in the United States,  then: (i) such termination
            shall be without  penalty or liability  to KRYPTON;  (ii) all rights
            and licenses  granted by GENTA JAGO hereunder  shall revert to GENTA
            JAGO with respect to such country(ies) so terminated;  (iii) KRYPTON
            shall be relieved of any payments  that are scheduled or may be made
            in the future under this  Agreement,  (iv)  KRYPTON  shall return to
            GENTA JAGO all materials, documentation, information, data and other
            things  furnished by GENTA JAGO in connection  with this  Agreement,
            including without  limitation any and all Confidential  Information,
            together  with all copies  thereof in KRYPTON's  possession or under
            its control,  (v) GENTA JAGO and its Affiliates  shall thereafter be
            entitled  to  make,  have  made,  use or  sell  the  Product  in the
            country(ies) so terminated (and, provided,  that the foregoing shall
            not  create or imply any right or license  under any patent  rights,
            copyright  rights,  trademarks  or trade names,  know-how,  or other
            intellectual  property  rights owned or controlled by KRYPTON or its
            Affiliates);  (vi) all Registrations pertaining to the Product shall
            be  transferred  to and be owned by  GENTA  JAGO as to the  affected
            country(ies)  and the data generated  hereunder shall be provided to
            and  thereafter  may be  freely  used  by  GENTA  JAGO  to  develop,
            manufacture  and market the Product;  and (vii) GENTA JAGO shall pay
            to KRYPTON the same royalty,  which shall be paid in the same manner
            and subject to the same terms and conditions as would otherwise have
            applied to KRYPTON,  as KRYPTON  would  otherwise  have paid (absent
            such  termination)  hereunder  to GENTA JAGO on Net Sales (or on the
            Gross  Margin of such Net Sales,  as the case may be) of the Product
            in the  country(ies)  to which such  termination  applies (with such
            royalty  to be paid by GENTA  JAGO and its  Affiliates  in each such
            country until  expiration of the Royalty Term in each such country),
            until such time as the royalties paid to KRYPTON equal the aggregate
            amount  that had been paid by  KRYPTON  to GENTA  JAGO prior to such
            termination under the Sections 3.5, 4.3, 5.2, 6.3, 7.3,8.3,  9.2 and
            13., at which time the royalty rate then prevailing on Net Sales (or
            on the Gross  Margin of such Net  Sales,  as the case may be) in the
            United  States  shall be reduced by two percent (2 %) (but shall not
            be reduced for sales outside the United States).

      (c)   Otherwise  the  termination  of  this  Agreement  shall  be  without
            prejudice  to any rights and  obligations  of either  Party  accrued
            prior to the effective date of termination.  KRYPTON shall forthwith
            make all payments due and  outstanding  to GENTA JAGO at the date of
            termination.   Except  as  explicitly   otherwise   stated  in  this
            Agreement,  GENTA  JAGO  shall  not  be  obligated  to  refund  upon
            termination  of this  Agreement to KRYPTON any  payments,  including
            without  limitation  the *, made by  KRYPTON  to GENTA JAGO prior to
            such termination pursuant to the provisions of this Agreement.

      (d)   The termination of this Agreement  pursuant to Section 17.3 above by
            either  Party  shall  not  limit  remedies  which  may be  otherwise
            available in law or equity to either Party.


                                     - 24 -


<PAGE>

17.5  Early Termination of the License Agreements

      (a)   In the event that the License Agreements are terminated prior to the
            expiration  of the last to expire of the  Patents  licensed to GENTA
            JAGO in the Territory, then the License granted hereunder to KRYPTON
            shall  also  terminate  upon  KRYPTON's  receipt  of the  respective
            termination  notice  from the  Licensor.  KRYPTON  may give  written
            notice to the Licensor of  KRYPTON's  desire to continue the License
            granted under this Agreement  within sixty (60) days as of KRYPTON's
            receipt of the Licensor's notice referred to above.

      (b)   In the event that KRYPTON timely notifies the Licensor of its desire
            to continue the License granted under this  Agreement,  the Licensor
            shall have the right, at its sole discretion,  to elect to assume in
            writing  within  sixty  (60) days  upon the  Licensor's  receipt  of
            KRYPTON's  notice  any and all  rights  of  GENTA  JAGO  under  this
            Agreement and to promptly cure all defaults of GENTA JAGO under this
            Agreement, if any.

      (c)   In the event  that the  Licensor  does not  timely  gives  notice to
            KRYPTON and cures all of GENTA JAGO's defaults hereunder pursuant to
            Section 17.5(b) above, then KRYPTON shall promptly assume in writing
            any and all rights and  obligations  of GENTA JAGO under the License
            Agreements  with  the  Licensor,  but  with  regard  to  the  rights
            encompassed by the License granted hereunder only, and promptly cure
            all defaults of GENTA JAGO under the License  Agreements with regard
            to the rights  encompassed by the License granted hereunder only, if
            any.

      (d)   Notwithstanding  anything  contained in this Section 17.5, no action
            taken by the Licensor  and/or KRYPTON to continue or not to continue
            the License  shall  relieve  GENTA JAGO from any  liability  for any
            uncured defaults under this Agreement or the License Agreements, and
            such  action  by  the  Licensor  and/or  KRYPTON  shall  be  without
            prejudice  to any  other  rights or  remedies  the  Licensor  and/or
            KRYPTON may have in law or equity.


                                   ARTICLE 18
                                   WARRANTIES

18.1  GENTA JAGO shall carry out and undertake  the studies and tests  specified
      in this Agreement in a careful and diligent  manner.  GENTA JAGO agrees to
      carefully  choose,   instruct  and  supervise  any  employees,   officers,
      Affiliates  or third  parties to be chosen by GENTA JAGO  pursuant to this
      Agreement,  who are involved  with the tests and studies.  Nothing in this
      Agreement shall be construed as a representation  made, or warranty given,
      by GENTA JAGO that any  development  performed  by or for GENTA JAGO under
      this  Agreement  will be  successful  in  whole  or in  part,  or that any
      product,  including  Final  Product,  which  may  be  developed,  will  be
      successful in the commercial marketplace. Furthermore, GENTA JAGO makes no
      representation or warranty, express or implied,


                                     - 25 -


<PAGE>

      with respect to GEOMATRIX(R) Technology and/or Know-How, including without
      limitation,  any warranty of completeness,  accuracy,  merchantability  or
      fitness for a particular purpose thereof.

18.2  GENTA  JAGO  represents  and  warrants  that it has all  rights  regarding
      Patents,  GEOMATRIX(R)Technology  and  Know-How  necessary  to  grant  the
      License hereunder. Notwithstanding the preceding sentence, GENTA JAGO does
      not assume any  responsibility  and makes no warranty that the performance
      of this Agreement and any product developed hereunder, including Prototype
      Formulation(s)  and Final  Products,  do not  infringe  any third  party's
      patents,  patent  applications  or  other  intellectual  property  rights.
      Notwithstanding the preceding sentence, GENTA JAGO represents and warrants
      that, as of the effective date of this Agreement,  it is not aware and has
      not  knowledge of any such  infringement  of any third party  rights.  If,
      however,  during the course of this Agreement  either Party discovers that
      the Prototype  Formulation(s)  and/or the Final  Products  infringe or may
      infringe any third party's intellectual property rights, it shall promptly
      inform the other Party  thereof and the Parties  shall meet to discuss the
      course of action to be taken with regard thereto.

18.3  Nothing in this Agreement shall be construed as a representation  made, or
      warranty  given by GENTA  JAGO that any patent  will issue  based upon any
      pending patent application  encompassed by the term Patents,  and that any
      patent  encompassed  by the term  Patents  which  issues  will be valid or
      enforceable.

18.4  GENTA JAGO assumes no liability or  responsibility  for any damages caused
      to  KRYPTON,  third  parties,   animals  and/or  the  environment  by  the
      manufacturing,  marketing or use of the  Prototype  Formulations  or Final
      Products or the active ingredient contained therein,  except to the extent
      that any of the above are  attributable to the gross negligence or willful
      misconduct of GENTA JAGO in performing its obligations hereunder.

18.5  Subject to the specific  representations and warranties given and specific
      disclaimers of representations and warranties included in this Article 18,
      and  further  subject  to  anything  to the  contrary  contained  in  this
      Agreement,  either Party shall,  as to third parties,  be indemnified  and
      held  harmless  by the other  Party from and  against  any and all losses,
      liabilities and damages arising from any claim, action or other proceeding
      by any third party  relating to any acts or  omissions of the other Party,
      its directors,  officers,  employees or agents, or the gross negligence or
      willful misconduct of such other Party, its directors, officers, employees
      or agents in performing any of its obligations under this Agreement.


                                     - 26 -


<PAGE>

18.6  Any liability,  warranty and undertaking contained herein shall be limited
      to the payment by either  Party for direct  damages to the other Party and
      in any event,  neither  Party  shall be liable to the other  Party for any
      special,  indirect,  punitive  or  consequential  damages  and/or  loss of
      profits or anticipated profits, respectively.

18.7  KRYPTON shall, at its own expense,  purchase from an insurance  company of
      its choice and shall maintain  during the entire term of this Agreement an
      appropriate  and  customary  policy  of  general   liability  and  product
      liability  insurance  covering its  responsibilities  regarding  Prototype
      Formulation(s) and Final Products  developed,  manufactured,  marketed and
      sold under this Agreement and the Active Ingredient  contained therein and
      the use thereof.  Upon  request,  KRYPTON  shall  provide  GENTA JAGO with
      evidence that such insurances are existing and are maintained.


                                   ARTICLE 19
                            MISCELLANEOUS PROVISIONS

19.1  Entire  Agreement:   The  terms,  covenants,   conditions  and  provisions
      contained in this Agreement,  including its Appendices referred to herein,
      constitute  the total and complete  agreement of the Parties and supersede
      all prior  understandings  and  agreements  hereto made,  and there are no
      other  representations,  understandings  or  agreements  relating  to  the
      subject matter hereof. The provisions of this Agreement may not be waived,
      altered,  amended or  repealed  in whole or in part  except by the written
      consent of both of the Parties to this Agreement.

19.2  Assignment:  This Agreement may not be assigned or otherwise  transferred,
      nor, except as expressly provided  hereunder,  may any right or obligation
      hereunder be assigned or  transferred  by either  Party,  other than to an
      Affiliate of such Party, without the consent of the other Party;  provided
      however,  that  either  Party  may,  without  such  consent,  assign  this
      Agreement and its rights and obligations  hereunder in connection with the
      transfer or sale of all or  substantially  all of its business,  or in the
      event  of  its  merger,  consolidation,   change  in  control  or  similar
      transaction;  and provided further that GENTA JAGO may without the consent
      of KRYPTON assign any and all of its rights and  obligations  hereunder to
      the  Licensor  and/or  any of the  Licensor's  Affiliates.  Any  permitted
      assignee shall assume all obligations of its assignor under this Agreement
      or under the respective rights or obligations actually assigned.

19.3  Successors : This Agreement and all rights  hereunder  shall ensure to the
      benefit of all successors and assigns of both Parties.

19.4  Notices:  Any consent,  notice or report required or permitted to be given
      or made under this Agreement by one Party to the other shall be in English
      and in writing, delivered personally or by courier service or by facsimile
      (promptly  confirmed by personal delivery or courier service) addressed to
      the other Party at its address indicated below, or to such


                                     - 27 -


<PAGE>

      other  address as shall have been notified in writing to the sending Party
      by the  receiving  party  from time to time,  and shall take  effect  upon
      receipt by the addressee.

         IF TO KRYPTON:                 KRYPTON LTD.
         East Wing, Second Level
                                        Hadfield House
                                        Library Street
                                        Gibraltar
                                        attn.: PRESIDENT

         WITH COPIES TO:                SKYEPHARMA PLC
                                        105 Piccadilly
                                        London W1V 9FN, England
                                        attn.: COMPANY SECRETARY


        AND:                            RINDERKNECHT GLAUS & STADELHOFER
                                        Beethovenstrasse 7
                                        P.O. Box 4451
                                        CH-8022 Zurich, Switzerland
                                        attn.: DR. THOMAS M. RINDERKNECHT

         IF TO GENTA JAGO:              GENTA JAGO Technologies B.V.
                                        Swiss Branch
                                        Grundstrasse 12
                                        CH-6343 Rotkreuz, Switzerland
                                        attn..: MANAGEMENT COMMITTEE

         WITH COPIES TO:                RINDERKNECHT GLAUS & STADELHOFER
                                        Beethovenstrasse 7
                                        8002 Zurich, Switzerland
                                        attn.: DR. THOMAS M. RINDERKNECHT

         AND:                           PILLSBURY MADISON & SUTRO LLP
                                        235 Montgomery Street, 15th Floor
                                        San Francisco, CA 94104, U.S.A.
                                        attn.: THOMAS E. SPARKS, JR., ESQ.

19.5  Independent Contractors:  It is expressly agreed that the Parties shall be
      independent  contractors  and that the  relationship  between  the Parties
      shall not constitute a partnership, joint venture or agency. Neither Party
      shall  have the  authority  to make  any  statements,  representations  or
      commitments of any kind, or to take any action,  which shall be binding on
      the other Party,  without the prior written  consent of the other Party to
      do so.


                                     - 28 -


<PAGE>

19.6  Severability:  Each Party hereby  acknowledges  that it does not intend to
      violate any public policy,  statutory or common laws, rules,  regulations,
      treaty or decision of any  government  agency or executive body thereof of
      any country or community or association  of countries.  Should one or more
      provisions  of this  Agreement be or become  invalid,  the Parties  hereto
      shall  substitute,  by mutual consent,  valid  provisions for such invalid
      provisions   which  valid   provisions  in  their   economic   effect  are
      sufficiently  similar to the invalid  provisions that it can be reasonably
      assumed that the parties would have entered into this  Agreement with such
      provisions.  In case such provisions cannot be agreed upon, the invalidity
      of one or  several  provisions  of this  Agreement  shall not  affect  the
      validity of this Agreement as a whole,  unless the invalid  provisions are
      of such essential importance to this Agreement that it is to be reasonably
      assumed  that the  Parties  would not have  entered  into  this  Agreement
      without the invalid provisions.

19.7  Force Majeure: Neither Party hereto shall be held liable or responsible to
      the other Party nor be deemed to have  defaulted  under or  breached  this
      Agreement for failure or delay in  fulfilling  or  performing  any term of
      this  Agreement  when such  failure or delay is caused by or results  from
      causes beyond the reasonable  control of the affected Party  including but
      not limited to fire, floods,  embargoes,  war, acts of war (whether war be
      declared  or  not),  insurrections,   riots,  civil  commotions,  strikes,
      lockouts or other labor  disturbances,  acts of God or acts,  omissions or
      delays in acting by any governmental authority or the other Party hereto.

19.8  Interest:  In the event any amount due and payable under this Agreement is
      not paid by the due date,  then the Party owing such  amount  shall pay to
      the creditor,  without being requested by the other Party, interest on the
      total outstanding amount at the rate equal to the London Interbank Offered
      Rate  ("LIBOR"),  as published in the Wall Street Journal  (Europe) on the
      date that such payment  falls due,  increased by three  percent  (3%),  in
      United  States  Dollars and  adjusted  on the first day of every  calendar
      quarter.

19.9  Headings:  The titles and headings used in this Agreement are intended for
      convenience  only  and  shall  not  in  any  way  affect  the  meaning  or
      construction of any provision of this Agreement.

19.10 Waiver:  The waiver by either Party  hereto of any right  hereunder or the
      failure to perform or of a breach by the other Party shall not be deemed a
      waiver of any other right  hereunder  or of any other breach or failure by
      said other Party whether of a similar nature or otherwise.

19.11 Counterparts:  This Agreement may be executed in two or more counterparts,
      each of which shall be deemed an original, but all of which together shall
      constitute one and the same instrument.


                                     - 29 -


<PAGE>

                                   ARTICLE 20
                       DISPUTE RESOLUTION AND ARBITRATION

20.1  In the event of any dispute  arising  between the Parties  concerning this
      Agreement, GENTA JAGO and KRYPTON agree that in the first place they shall
      meet for good faith  discussions  in an attempt to  negotiate  an amicable
      solution.

20.2  Any dispute  arising between the Parties out of or in connection with this
      Agreement,  or the interpretation,  breach or enforcement  thereof,  which
      cannot be amicably  resolved pursuant to Section 20.1 above within two (2)
      months as from the first  appearance  of such  dispute,  shall be  finally
      resolved  by  binding  arbitration.  Whenever  a  Party  shall  decide  to
      institute  arbitration  proceedings,  it shall give written notice to that
      effect to all of the other Parties.  Any  arbitration  hereunder  shall be
      conducted  under  the  Rules  of  Conciliation   and  Arbitration  of  the
      International Chamber of Commerce. Any such arbitration shall be conducted
      in the English  language by a panel of three (3) arbitrators  appointed in
      accordance  with  such  rules,  and shall be held in  PARIS,  FRANCE.  The
      arbitrators shall have the authority to grant specific performance, and to
      allocate  among the parties  the costs of  arbitration  in such  equitable
      manner  as they  determine.  Judgment  upon the award so  rendered  may be
      entered in any court having  jurisdiction  or  application  may be made to
      such court for judicial  acceptance  of any award so rendered and an order
      of  enforcement,  as the case may be.  Whether a claim,  dispute  or other
      matter  in  question  would  be  barred  by  the  applicable   statute  of
      limitations, which also shall apply to any arbitration under this section,
      shall be determined by binding arbitration pursuant to this section.

20.3  Notwithstanding  anything  contained in this Article 20,  either Party may
      seek  preliminary or injunctive  measures or relief in any competent court
      having jurisdiction.


                                   ARTICLE 21
                                 APPLICABLE LAW

            The  Parties  hereto  agree that this  Agreement,  all  transactions
            executed  hereunder  and all  relationships  between  the Parties in
            connection therewith shall be construed under and be governed by the
            laws  of  Switzerland  without  reference  to  the  conflict  of law
            principals thereof,  and shall not be governed by the United Nations
            Convention on Contracts for the International Sale of Goods.


                                     - 30 -


<PAGE>

IN WITNESS WHEREOF,  the Parties have executed this Agreement as of the 31st day
of October 1996.



GENTA JAGO TECHNOLOGIES B.V.




    /s/ Thomas H. Adams                                 /s/ Jacques Gonella
- - - ------------------------                             --------------------------
By   Dr. Thomas H. Adams                             By:  Dr. Jacques Gonella
Its: Managing Director                               Its: Managing Director


KRYPTON LTD.


    /s/
- - - -----------------------
By:
Its:


The Licensor, Jagotec AG, hereby agrees to be bound by the obligations contained
in Section 17.5 of this Agreement.


JAGOTEC AG


   /s/ Jacques Gonella                                  /s/
- - - --------------------------                           --------------------------
By:                                                  By:
Its:                                                 Its:


                                     - 31 -



                                                                   EXHIBIT 10.96
                        CONFIDENTIAL TREATMENT REQUESTED

                       DEVELOPMENT & SUB-LICENSE AGREEMENT
                                    VERAPAMIL



This DEVELOPMENT AND SUB-LICENSE  AGREEMENT (this  "Agreement"),  effective from
the date last written hereunder, is entered into between GENTA JAGO TECHNOLOGIES
B.V.,  a Dutch  company,  having a place of  business at  Grundstrasse  12, 6343
Rotkreuz,  Switzerland  (hereinafter  referred to as "GENTA JAGO"),  and KRYPTON
LTD.,  a  Gibraltar  limited  company,  having a place of business at East Wing,
Second Level, Hadfield House, Library Street, Gibraltar (hereinafter referred to
as "KRYPTON")


                                   WITNESSTH:


WHEREAS,  GENTA JAGO has  expertise  in the  development  of  controlled-release
formulations for pharmaceutical agents and in particular has exclusive rights to
proprietary know-how and technology generally known and commercialized under the
registered  trademark  GEOMATRIX(R) and as described and embodied in the Patents
(as defined below) with respect to a * and

WHEREAS,  KRYPTON is a company  which  markets  pharmaceutical  products  and is
interested in developing Prototype Formulations (as defined below) for the Final
Product (as defined below) and in seeking the approval of Regulatory Authorities
(as defined below) to  manufacture,  or have  manufactured  and market the Final
Product in the Territory (as defined below); and

WHEREAS, GENTA JAGO is prepared to conduct or have conducted certain studies and
the development of the Prototype Formulations and Final Product; and

WHEREAS,  GENTA  JAGO is  prepared  to grant to  KRYPTON  under  the  terms  and
conditions  set forth  hereafter a sub-license  under the Patents,  GEOMATRIX(R)
Technology  and Know-How (as defined below) to conduct  studies  relating to the
Prototype Formulations and, upon receipt of approval by the Regulatory Authority
(as defined  below),  to manufacture or have  manufactured,  market and sell the
Final Product in the Territory.


NOW, THEREFORE,  for and in consideration of the premises,  mutual covenants and
agreements  contained  herein and  intending  to be legally  bound  hereby,  the
Parties hereby agree as follows:


- - - ------------------
*     Confidential   treatment   requested.   The  redacted  material  has  been
      separately filed with the Commission.


<PAGE>

                                    ARTICLE 1
                                   DEFINITIONS

For purposes of this  Agreement,  the terms defined in this Article 1 shall have
the following meanings:

1.1      "Active Ingredient" shall mean Verapamil.

1.2      "Affiliate"  shall  mean,  with  respect to either  Party  hereto,  any
         corporation,  partnership or other entity controlled by, controlling or
         under common control with, such Party, with "control" meaning direct or
         indirect beneficial  ownership of more than 50% of the voting power of,
         or  more  than  50%  of  ownership   interest  in,  such   corporation,
         partnership or other entity.

1.3      "ANDA" shall mean any Abbreviated New Drug  Application  filed with the
         FDA, by or for KRYPTON  requesting  authorization to manufacture,  have
         manufactured or sell the Final Product in the United States of America,
         or any equivalent  application  to a Regulatory  Authority in any other
         country of the Territory.

1.4      "Bioequivalent   Product"  shall  mean  a  drug  product   meeting  the
         bioequivalence  requirements  imposed by the FDA for in vitro and/or in
         vivo  testing as set forth in the  regulations  of the FDA at 21 C.F.R.
         ss.320 ("AB  Equivalent  Rating"),  as they may be amended from time to
         time.

1.5      "Competitive  Product"  shall  mean any  product  other  than the Final
         Product  or the  Originator  which is a  Bioequivalent  Product  of the
         Originator   and  is  marketed   and  sold  in  the   Territory   on  a
         country-to-country basis.

1.6      "FDA" shall mean the U.S. Federal Food and Drug  Administration and any
         successor agency thereof.

1.7      "Final  Product"  shall  mean  the  pharmaceutical  orally-administered
         controlled-release  formulation(s)  containing  the Active  Ingredient,
         presented as a compressed tablet developed  pursuant to this Agreement,
         based on the GEOMATRIX(R)  Technology and being a Bioequivalent Product
         of the  Originator,  of a  Competitive  Product or of any other product
         containing the Active Ingredient.

1.8      "GEOMATRIX(R)  Technology" shall mean the oral  controlled-release drug
         delivery and related technology  licensed to GENTA JAGO by the Licensor
         which  utilizes  a  hydrophilic  drug-containing  matrix  tablet  which
         controls the release of the drug through the use of one or more barrier
         layers.

1.9      "Gross Margin" shall mean, with respect to any Final Product, Net Sales
         less only the direct  cost of such Final  Product  sold,  i.e.  (a) raw
         material  cost,   (b)  direct  labor  cost,  (c)  reasonably   directly
         allocatable  overhead  cost  (e.g.  energy  cost),  (d)  packaging  and
         labeling  cost,  and (e)  other  costs  directly  associated  with  the
         manufacturing of such Final Product


                                       -2-


<PAGE>

         (e.g.  quality  control).  No  other  deductions  from  Net  Sales  are
         permissible  for the  calculation  of Gross Margin,  including  without
         limitation, sales, marketing and distribution costs. Alternatively,  in
         the event that KRYPTON  sub-contracts  the  manufacturing  of any Final
         Product to a third  party,  then "Gross  Margin"  with  respect to such
         Final Product shall mean Net Sales less only the manufacturing costs as
         invoiced by such manufacturing third party  sub-contractor and actually
         paid by KRYPTON.

1.10     "Know-How" shall mean all information and data, which are not generally
         known  including,  but  not  limited  to,  patent  claims  and  related
         information  not yet  disclosed  to the public,  formulae,  procedures,
         protocols, techniques and results of experimentation and testing, which
         (a) relate to the GEOMATRIX(R)Technology,  any Prototype Formulation or
         any Final Product,  or (b) are necessary or useful to develop,  make or
         use any  Prototype  Formulation,  or (c) are  necessary  or  useful  to
         develop, seek regulatory approval, make, use or sell any Final Product,
         all to the  extent  presently  or  during  the  term of this  Agreement
         licensed or otherwise available to and at the free disposition of GENTA
         JAGO.

1.11     "License  Agreements" shall mean the license agreements entered into by
         and  between  GENTA JAGO and the  Licensor,  under  which the  Licensor
         granted  GENTA JAGO the rights in the  Patents,  the  Know-How  and the
         GEOMATRIX(R)   Technology,   which  are  the  subject   matter  of  the
         sub-license referred to in Article 11. below.

1.12     "Licensor" shall mean Jagotec AG, a Swiss corporation, having its place
         of business at Seestrasse 91, CH-6052 Hergiswil, Switzerland.

1.13     "Net Sales" shall mean, with respect to any Final Product, the invoiced
         sales price of such Final Product in finished  package form invoiced by
         KRYPTON  and/or its Affiliates to any  independent  customer other than
         KRYPTON's  Affiliates,  less (a)  credits,  allowances,  discounts  and
         rebates to, and  chargebacks  from the  account  of,  such  independent
         customers for spoiled, damaged,  out-dated,  rejected or returned Final
         Product;  (b) actual  freight and insurance  costs incurred and paid by
         KRYPTON  and/or its  Affiliates in  transporting  such Final Product in
         final form to such customers;  (c) customary  cash,  quantity and trade
         discounts and other price reduction  programs;  (d) sales,  use, value-
         added and other direct taxes (but  excluding  any income tax)  actually
         incurred  and paid by KRYPTON  and/or its  Affiliates;  and (e) customs
         duties,  surcharges and other governmental  charges incurred by KRYPTON
         and/or its Affiliates in connection with the exportation or importation
         of such Final Product in final form.

1.14     "Originator"  shall mean * actually marketed in the United States by *
         or any other pharmaceutical  products containing the Active Ingredient
         and being marketed in the Territory

1.15     "Patents" shall mean all patents and patent applications  heretofore or
         hereafter filed or having presently or in the future legal force in any
         country of the Territory,  licensed by the Licensor to GENTA JAGO which
         claim  the  GEOMATRIX(R)  Technology  or  the  process  to  manufacture
         Prototype Formulations and/or Final Product by use of, or the use


- - - ------------------
*        Confidential  treatment  requested.  The  redacted  material  has  been
         separately filed with the Commission.


                                       -3-


<PAGE>

         of,  the  GEOMATRIX(R)  Technology,  including  but not  limited to the
         patents and patent applications  listed in APPENDIX A hereto,  together
         with all patents that in the future  issue  therefrom in any country of
         the  Territory,   including  utility,  model  and  design  patents  and
         certificates  of  invention,   and  all   divisionals,   continuations,
         continuations-in-part,  reissues, renewals, extensions,  substitutions,
         confirmations or additions to any such patents and patent applications,
         all to the  extent  presently  or  during  the  term of this  Agreement
         licensed or otherwise available to and at the free disposition of GENTA
         JAGO.

1.16     "Prototype  Formulations"  shall mean the oral delivery  system for the
         Active Ingredient based on the GEOMATRIX(R)  Technology that reasonably
         meet the Specifications.

1.17     "Regulatory  Authority" shall mean the FDA or any equivalent  competent
         regulatory authority in any other countries of the Territory.

1.18     "Specifications"  shall mean the Products  specifications  set forth in
         Appendix B attached hereto.

1.19     "Territory" shall mean *.


                                    ARTICLE 2
                              DEVELOPMENT PREAMBLE

2.1      At the date of execution of this  Agreement,  GENTA JAGO has  performed
         certain preliminary  development efforts for the Prototype Formulation.
         This development is hereby incorporated in this Agreement.

2.2      GENTA JAGO  undertakes  to conduct  the  development  of the  Prototype
         Formulation(s)  and the Final Product in an efficient and  professional
         manner.  KRYPTON  shall  actively  support  GENTA  JAGO  regarding  the
         development  and  studies  to be  executed  by  GENTA  JAGO  as  may be
         reasonably  required  by GENTA JAGO from time to time.  In  particular,
         KRYPTON shall provide  information  reasonably  requested by GENTA JAGO
         relating  to the  Originator  and  to the  Active  Ingredient  for  the
         purposes of carrying out this development,  including,  but not limited
         to,  physico-chemical   characteristics,   safe-handling  instructions,
         in-vitro  analytical  methods,  degradation  products and standards and
         analytical  methods therefore.  Additionally,  KRYPTON shall provide to
         GENTA JAGO  requested  data and adequate  quantities  of samples of the
         Originator  for the  purposes  of  conducting  the  Feasibility  Study.
         KRYPTON,   however,  shall  not  be  required  to  provide  information
         regarding  the  Originator  which is not in the public  domain,  unless
         KRYPTON is duly  authorized  to possess and  disclose  such  non-public
         information.  Any costs and expenses  incurred by KRYPTON in connection
         with such support shall be borne by KRYPTON.

2.3      Due to the nature and complexity of the  development and the respective
         studies  as set forth in this  Agreement,  the  Parties  recognize  and
         acknowledge  that  problems  and delays may occur which render the time
         limits  set  forth  in this  Agreement  and/or  the  time-frame  of the
         development  as  mutually   agreed  upon  difficult  or  impossible  to
         accomplish. The


- - - ------------------
*        Confidential  treatment  requested.  The  redacted  material  has  been
         separately filed with the Commission.


                                       -4-


<PAGE>

         Parties agree that they shall immediately  inform each other in writing
         in the event that  significant  problems or delays are  encountered  or
         envisaged  during the course of the  development and shall discuss such
         problems and delays in order to agree on a mutually acceptable revision
         of the time  limits  set in this  Agreement  and/or the  time-frame  as
         previously mutually agreed upon.

2.4      Together with the notice from KRYPTON referred to in Section 3.1 below,
         KRYPTON,  or its  designated  supplier,  shall  supply  GENTA JAGO on a
         free-of-charge basis with sufficient quantities of Active Ingredient to
         perform the development program intended hereunder. Such supplies shall
         be accompanied with respective certificates of analysis and conformity.
         GENTA JAGO shall use all Active  Ingredient  supplied  to it by KRYPTON
         hereunder  solely and  exclusively in connection  with the  development
         program as mutually agreed upon.

         Alternatively,  KRYPTON may request  that GENTA JAGO obtain a supply of
         Active   Ingredient  from  a  reputable  source  having  the  necessary
         regulatory  clearances in place to allow future  marketing of the Final
         Product in the  Territory.  Should KRYPTON so require and GENTA JAGO so
         agree, the chosen supplier's facilities, processes and procedures shall
         be audited by GENTA  JAGO,  or a third  party  mutually  acceptable  to
         KRYPTON  and  GENTA  JAGO,  in  order  to  ensure  compliance  with the
         appropriate  regulatory  requirements.  KRYPTON  shall * of GENTA  JAGO
         incurred in carrying out, or having carried out such audit.  GENTA JAGO
         shall  provide  KRYPTON with a copy of the audit report  within  thirty
         (30) days as of the completion of the audit.

2.5      In the event that the Parties  mutually  agree that GENTA JAGO  becomes
         responsible for the supply of Active Ingredient,  KRYPTON shall * GENTA
         JAGO for any and all shipping and transportation  costs, import duties,
         taxes or other  costs  incurred by GENTA JAGO in  connection  with such
         supply of Active  Ingredient  upon receipt of GENTA  JAGO's  respective
         invoices.


                                    ARTICLE 3
                                FEASIBILITY STUDY

3.1      KRYPTON shall initiate the development program  contemplated  hereunder
         as soon as technically feasible and within the time limits set forth in
         the mutually accepted  development  program by giving written notice to
         that effect to GENTA JAGO.  Not later than two (2) months after receipt
         of (i) such  notice,  (ii) a * and (iii) the Active  Ingredient,  GENTA
         JAGO shall  commence  the  feasibility  study under this Article 3. and
         shall use its commercially  reasonable efforts to develop the Prototype
         Formulations.  Up to three (3) of the developed Prototype  Formulations
         shall be chosen by mutual  agreement  by the Parties for further  study
         and development.


- - - ------------------
*    Confidential treatment requested. The redacted material has been separately
     filed with the Commission.


                                       -5-


<PAGE>

         The Parties  recognize  that the  Specifications  mutually  agreed uopn
         eventually  will need to be updated with more  detailed  specifications
         for the Final  Product  in the course of the  development,  and in such
         case the Parties agree to mutually agree on any reasonable amendment of
         the Specifications.

3.2      The development of the Prototype  Formulations  shall include,  but not
         necessarily be limited to, the following elements:

         (a)      Development  and   establishment  of  analytical   methodology
                  specific   to   the   characterization   of   such   Prototype
                  Formulations;

         (b)      Qualitative   and   quantitative   characterization   of  such
                  Prototype Formulation;

         (c)      In-vitro  release profile  characterization  of such Prototype
                  Formulations   and  the   Originator   by  using   appropriate
                  methodology mutually agreed to by the Parties;

         (d)      Elaboration  of pre-scale up procedures  and the production of
                  samples   (2000  units  +/-  10%)  of  the  chosen   Prototype
                  Formulations  for  evaluation  by KRYPTON,  and for use in the
                  Pilot Pharmacokinetic Study under Article 4. below; and

         (e)      Accelerated  stability  testing of Prototype  Formulations  to
                  provide *.

3.3      GENTA JAGO will ensure the use of generally  accepted standards of Good
         Laboratory and  Manufacturing  Practices  during the performance of the
         feasibility study.

3.4      Within  thirty (30) days of the  completion of the  feasibility  study,
         GENTA JAGO shall supply KRYPTON with a report (the  "Feasibility  Study
         Report")   reasonably   detailing  the  development  of  the  Prototype
         Formulation(s) and containing one (1) month accelerated  stability data
         only. A supplement  to the  Feasibility  Study  Report  containing  the
         * accelerated stability data will be forwarded sixty (60) days later.

3.5      Prior to the  commencement  of the  Feasibility  Study GENTA JAGO shall
         submit to KRYPTON * for the entire  Feasibility  Study which * shall be
         reasonably acceptable to KRYPTON.  KRYPTON shall reimburse GENTA JAGO's
         *,  reasonably  incurred  by GENTA JAGO during the  Feasibility  Study,
         including  but not  limited  to costs,  expenses  and fees paid to Jago
         Pharma and third party  contractors,  by the payment of  non-refundable
         development  fees. Such development  costs shall be refunded by KRYPTON
         to GENTA JAGO at the end of each  quarter upon receipt by KRYPTON of an
         invoice from GENTA JAGO or Jago Pharma AG.

3.6      In the event that the  results of the  feasibility  study  conclusively
         demonstrate  that no Prototype  Formulation  has been  developed  which
         reasonably   meets  the   Specifications   to  the  good  faith  mutual
         satisfaction of KRYPTON and GENTA JAGO, the Parties agree to enter into
         good faith  negotiations in order to determine an appropriate course of
         action,


- - - ------------------
*        Confidential  treatment  requested.  The  redacted  material  has  been
         separately filed with the Commission.


                                       -6-


<PAGE>

         including,  but not limited to, that the Parties may mutually  agree to
         abandon the  development  program under this  Agreement,  and terminate
         this Agreement with immediate effect.

                                    ARTICLE 4
                           PILOT PHARMACOKINETIC STUDY

4.1      Included  as part of the  feasibility  study  described  in  Article 3.
         above,  KRYPTON  shall,  at its own  responsibility  and its own  cost,
         sub-contract  under  confidentiality   commitments  comparable  in  all
         material respects to the provisions set forth herein between GENTA JAGO
         and KRYPTON to an external  qualified  clinical  research  organization
         (hereinafter "CRO") to perform a pilot  pharmacokinetic  study pursuant
         to this Article 4.

4.2      The  Pilot   Pharmacokinetic   Study  shall  consist  of   commercially
         reasonable and appropriately  designed * of the Prototype  Formulations
         and the Originator. KRYPTON shall reasonably consult with GENTA JAGO in
         the  design of the Pilot  Pharmacokinetic  Study and shall  review  the
         final  protocol  with  GENTA  JAGO  prior to  initiating  work with the
         selected  sub-contractor.  The  Pilot  Pharmacokinetic  Study  shall be
         conducted  in  accordance  with  generally  accepted  standards of Good
         Clinical Practice and in compliance with Ethical Committee requirements
         or equivalent requirements, where applicable.

4.3      Prior to the commencement of the Pilot Pharmacokinetic Study GENTA JAGO
         shall  submit to KRYPTON * for the entire Pilot  Pharmacokinetic  Study
         which * shall  be  reasonably  acceptable  to  KRYPTON.  KRYPTON  shall
         reimburse GENTA JAGO's *, reasonably  incurred by GENTA JAGO during the
         Pilot  Pharmacokinetic  Study,  including  but not  limited  to  costs,
         expenses and fees paid to Jago Pharma and third party  contractors,  by
         the payment of non-refundable  development fees. Such development costs
         shall be refunded by KRYPTON to GENTA JAGO * upon receipt by KRYPTON of
         an invoice from GENTA JAGO or Jago Pharma AG.

4.4      KRYPTON shall provide GENTA JAGO with a copy of the report (hereinafter
         referred to as the "Pilot  Pharmacokinetic  Study  Report")  reasonably
         detailing the results of the Pilot Pharmacokinetic Study within six (6)
         weeks as of the study's  completion and presentation of the preliminary
         data for GENTA JAGO's file.

4.5      GENTA JAGO shall have no liability or  responsibility  whatsoever  with
         respect  to  such  Pilot  Pharmacokinetic   Study,   including  without
         limitation  the  availability  or quality of the  results and data from
         such Pilot  Pharmacokinetic  Study to be carried out by KRYPTON and the
         CRO.

4.6      In the  event  that the  results  of the  Pilot  Pharmacokinetic  Study
         conclusively  demonstrate that it is not fully demonstrated to the good
         faith mutual  satisfaction  of KRYPTON and GENTA JAGO that at least one
         of the Prototype Formulations reasonably meet the


- - - ------------------
*        Confidential  treatment  requested.  The  redacted  material  has  been
         separately filed with the Commission.


                                       -7-


<PAGE>

         respective  Specifications,  the Parties may mutually  agree to abandon
         the  development  program and terminate  this Agreement with respect to
         such Prototype Formulation.

                                    ARTICLE 5
                             PRE-SCALE-UP ACTIVITIES

5.1      Upon completion of the Pilot Pharmacokinetic Study, KRYPTON may, at its
         option,  request  and charge  GENTA JAGO to carry out the  pre-scale-up
         activities as described in this Article 5. (hereinafter  referred to as
         the "Pre-Scale-Up Activities").  KRYPTON shall, within thirty (30) days
         as from the date of the Pilot  Pharmacokinetic  Study Report  notify in
         writing GENTA JAGO of its decision  whether to proceed with and to have
         GENTA JAGO perform the Pre-Scale-Up Activities.

5.2      Prior to the  commencement of the  Pre-Scale-Up  Activities  GENTA JAGO
         shall submit to KRYPTON * for the entire Pre-Scale-Up  Activities which
         * shall be reasonably  acceptable to KRYPTON.  KRYPTON shall  reimburse
         GENTA JAGO's *, reasonably  incurred by GENTA JAGO during the Pre-Scale
         Up activity, including but not limited to costs, expenses and fees paid
         to  Jago  Pharma  and  third  party  contractors,  by  the  payment  of
         non-refundable  development  fees.  Such pre  scale  up costs  shall be
         refunded  by  KRYPTON  to GENTA  JAGO * upon  receipt  by KRYPTON of an
         invoice from GENTA JAGO or Jago Pharma AG.

5.3      The  Pre-Scale-Up  Activities  to be  performed  by  GENTA  JAGO  shall
         comprise all  reasonable  activities  necessary to allow the technology
         transfer  to, and  subsequent  scale-up  at, the  mutually  established
         manufacturing site,  including,  but not limited to, final optimization
         of  the  Prototype  Formulation  (where  necessary),   development  and
         validation  of the  scale-up  manufacturing  procedure  and  analytical
         validation.  Such Pre-Scale-Up Activities shall be completed within the
         time period  mutually  agreed upon by the Parties in Appendix D hereto,
         calculated as from the date of receipt of the KRYPTON's notice by GENTA
         JAGO pursuant to Section 5.1 above.

5.4      In the  event  that  additional  clinical  testing,  including  without
         limitation,  confirming pharmacokinetic studies, is reasonably required
         or deemed necessary  beyond the program  envisaged in this Agreement in
         order to satisfy the FDA  requirements  for an NDA or ANDA  approval of
         the Product, KRYPTON and GENTA JAGO shall meet to discuss in good faith
         the appropriate course of action to be followed and agree upon any such
         additional  testing to be performed,  provided that any such additional
         testing shall in any event be funded solely by KRYPTON.

5.5      Not later than upon the initiation of the Pre-Scale-Up Activities,  the
         Parties shall establish and mutually agree upon a  manufacturing  site,
         where the Bio-Batches referred to in Section 7.2 below required for the
         pivotal  clinical  studies will be produced and where the Final Product
         shall be manufactured  for commercial use after FDA approval(s) for the
         Final Product have been granted.


- - - ------------------
*        Confidential  treatment  requested.  The  redacted  material  has  been
         separately filed with the Commission.


                                       -8-


<PAGE>

                                    ARTICLE 6
                        PRE-PIVOTAL PHARMACOKINETIC STUDY

6.1      Included as part of the Pre-Scale-Up  Activities,  KRYPTON shall at its
         own  responsibility  and its own cost, perform or have performed with a
         CRO selected by KRYPTON, a pre- pivotal  pharmacokinetic study pursuant
         to this Article 6.  (hereinafter  referred to as "Pre- Pivotal Study").
         Such  Pre-Pivotal  Study shall  consist of *, to select the best of the
         Prototype Formulations for each dose strength to be used in the further
         development under this Agreement.

6.2      The  Pre-Pivotal  Study  shall be  performed  in the  United  States of
         America.  KRYPTON shall  consult,  review and mutually agree with GENTA
         JAGO on the design and final protocol of such  Pre-Pivotal  Study prior
         to initiating work with the selected CRO.

6.3      KRYPTON shall reimburse to GENTA JAGO * incurred by GENTA JAGO to cover
         its workload for preparation and consulting of such Pre-Pivotal  Study.
         Such  development  costs  shall be paid by  KRYPTON * upon  receipt  by
         KRYPTON of an invoice from GENTA JAGO or Jago Pharma AG.

6.4      KRYPTON shall  provide GENTA JAGO with a copy of the report  detailling
         the  results  of the  Pre-Pivotal  Study  within  ten (10)  days of its
         completion for GENTA JAGO's file. GENTA JAGO shall have no liability or
         responsibility  whatsoever  with  resupect to such  Pre-Pivotal  Study,
         including without  limitation,  the performance or conduct of such Pre-
         Pivotal  Study or the  availability  or quality of the results and data
         from such Pre-Pivotal Study to be carried out by KRYPTON and the CRO.

6.5      Upon  completion  of the  Pre-Pivotal  Study  and  availability  of the
         results of such Pre- Pivotal Study, the Parties shall consult with each
         other on such results and mutually  agree in writing upon the Prototype
         Formulation  to  be  selected  for  further   development   under  this
         Agreement.  In the event that the results of the Pre-Pivotal  Study are
         unsatisfactory  in that it is not fully  demonstrated to the good faith
         mutual  satisfaction  of the Parties that at least one of the Prototype
         Formulations meet the respective  Specifications,  KRYPTON may elect to
         abandon the  development  program and  terminate  this  Agreement  with
         respect to such Prototype  Formulation by giving written notice to that
         effect to GENTA JAGO.


                                    ARTICLE 7
                               FURTHER ACTIVITIES

7.1      Technology Transfer

         Upon  mutual  agreement  of the  Prototype  Formulation  to be used for
         development  as referred  to in Section 6.5 above,  GENTA JAGO shall be
         responsible  for and initiate the  technology  transfer to, and perform
         the scale-up at, the manufacturing site mutually established and agreed
         upon by the Parties. GENTA JAGO agrees that such technology


- - - ------------------
*        Confidential  treatment  requested.  The  redacted  material  has  been
         separately filed with the Commission.


                                       -9-


<PAGE>

         transfer,  and in particular  the aspects of scale-up and validation of
         the  manufacturing  process  shall be carried out by GENTA JAGO on such
         equipment  as shall  eventually  be used by KRYPTON or a third party to
         manufacture the Final Product. Upon completion of such scale-up,  GENTA
         JAGO shall notify KRYPTON thereof in writing.

7.2      Production of Industrial Scale Batches

         Upon receipt by KRYPTON of GENTA JAGO's  notice  referred to in Section
         7.1 above,  the Parties  shall  initiate  the  production  of three (3)
         industrial scale batches (hereinafter  "Bio-Batches") on such equipment
         as shall  eventually  be used KRYPTON or a third party to  commercially
         manufacture the Final Product,  based on the Prototype Formulation (the
         size of each  Bio-Batch to be not less than the greater of (i) 10% (ten
         percent) of the  anticipated  initial  commercial  batch size,  or (ii)
         100,000 tablets),  according to Current Good  Manufacturing  Practices,
         such  Bio-Batches  to be  subsequently  used for stability  testing and
         pivotal clinical studies;  provided however, that GENTA JAGO shall have
         the  ultimate  responsibility  with  respect  of any and all  technical
         aspects  of  such  production  of  batches  related  to the  technology
         transfer and the implementation of such technology in the manufacturing
         site.

7.3      Funding of Further Activities

         (a)      Prior to the commencement of any activities under Sections 7.1
                  and 7.2 above  GENTA JAGO  shall  submit to KRYPTON * for such
                  further  activities which * shall be reasonably  acceptable to
                  KRYPTON.  KRYPTON  shall  refund  GENTA  JAGO's  *  reasonably
                  incurred  by GENTA  JAGO  under  Sections  7.1 and 7.2  above,
                  including but not limited to costs,  expenses and fees paid to
                  Jago  Pharma and third  party  contractors,  by the payment of
                  non-refundable  development  fees.  Such  further  development
                  costs shall be  refunded by KRYPTON * upon  receipt by KRYPTON
                  of an invoice from GENTA JAGO or Jago Pharma AG.

         (b)      Furthermore,  KRYPTON shall be  responsible,  at its own cost,
                  for the supply of all raw material including,  but not limited
                  to, the Active Ingredients  required or necessary for, and all
                  additional costs and expenses  whatsoever arising out of or in
                  connection  with, the production of the Bio-Batches  described
                  in Section 7.2 above and all other costs  associated  with the
                  use  of  facilities,   technology   transfer,   equipment  and
                  analytical services.

7.4      Stability Testing

         (a)      KRYPTON shall be responsible for and perform or have performed
                  at its own cost,  the  stability  testing of the Final Product
                  according to the then current  requirements of the FDA in bulk
                  packaging  and in the final  packaging  materials.  GENTA JAGO
                  shall have no  liability  or  responsibility  whatsoever  with
                  respect  to  such   stability   testing,   including   without
                  limitation, the performance or conduct of such


- - - ------------------

*        Confidential  treatment  requested.  The  redacted  material  has  been
         separately filed with the Commission.


                                      -10-


<PAGE>

                  stability  testing  or  the  availability  or  quality  of the
                  results and data from such stability testing to be carried out
                  or requested by KRYPTON.

         (b)      KRYPTON  shall  provide  to  GENTA  JAGO  with a  copy  of all
                  stability  testing  data  within  thirty  (30) days  after the
                  completion  of  each  stability  testing  period  (hereinafter
                  referred to as the "Final Stability Testing Report") for GENTA
                  JAGO's file.

         (c)      GENTA JAGO agrees to provide additional  technical  assistance
                  and consultation as may be reasonably  requested by KRYPTON in
                  connection  with the stability  testing of the Final  Product.
                  KRYPTON shall pay to GENTA JAGO for such services  provided by
                  GENTA JAGO's or Jago Pharma's  personnel an amount of USD * or
                  part thereof spent, and  furthermore,  KRYPTON shall reimburse
                  GENTA JAGO for all reasonable  and  documented  travel related
                  expenses  of GENTA  JAGO  personnel  who  travel at  KRYPTON's
                  request  to  locations  remote  from  such  personnel's  usual
                  working location.

7.5      Further Provisions

         In the event that  KRYPTON  and GENTA JAGO  shall  reasonably  deem the
         results or data from any of the  activities  to be  performed by either
         Party  under this  Article  7. with  respect  to any dose  strength  be
         unsatisfactory  for any  reason,  the  Parties  may  mutually  agree to
         abandon the  development  program and  terminate  this  Agreement  with
         immediate effect.


                                    ARTICLE 8
                             PIVOTAL CLINICAL STUDY

8.1      Promptly  upon  completion  of the  further  activities  referred to in
         Article 7. above,  KRYPTON shall, at its own responsibility and its own
         cost, sub-contract under confidentiality  commitments comparable to the
         provisions  set forth  herein  between  GENTA  JAGO and  KRYPTON  to an
         external  qualified CRO of its choice,  reasonably  acceptable to GENTA
         JAGO,  to  perform  and  manage a series of  pivotal  clinical  studies
         (hereinafter  "Clinical  Studies") in man required and/or necessary for
         any subsequent NDA or ANDA for the Final Product in accordance with the
         then current requirements of the FDA.

8.2      KRYPTON shall  consult,  review and agree with GENTA JAGO on the design
         and the final  protocol of such  Clinical  Studies  prior to initiating
         work with the selected subcontractor.

8.3      KRYPTON shall reimburse to GENTA JAGO * incurred by GENTA JAGO to cover
         its workload for preparation  and consulting of such Clinical  Studies.
         Such  development  costs  shall be paid by  KRYPTON * upon  receipt  by
         KRYPTON of an invoice from GENTA JAGO or Jago Pharma AG.


- - - ------------------
*        Confidential  treatment  requested.  The  redacted  material  has  been
         separately filed with the Commission.


                                      -11-


<PAGE>

8.4      KRYPTON shall  provide  GENTA JAGO with a copy of the report  detailing
         the  results  of the  Clinical  Studies  within  ten  (10)  days of its
         completion for GENTA JAGO's file.

8.5      GENTA JAGO shall have no liability or  responsibility  whatsoever  with
         respect to such Clinical  Studies,  including without  limitation,  the
         performance or conduct of such Clinical  Studies or the availability or
         quality  of the  results  and data from  such  Clinical  Studies  to be
         carried out or requested by KRYPTON.

8.6      In the event  that the  results of the  Pivotal  Clinical  Studies  are
         unsatisfactory  in that it is not fully  demonstrated to the good faith
         mutual  satisfaction  of  KRYPTON  and GENTA  JAGO  that the  Prototype
         Formulation reasonably meets the respective Specifications, the Parties
         may mutually  agree to abandon the  development  program and  terminate
         this Agreement with respect to such dose strength.


                                    ARTICLE 9
                     THE REGULATORY (NDA OR ANDA) SUBMISSION

9.1      Upon  completion of the Clinical  Studies,  KRYPTON may, at its option,
         elect to prepare  and submit to the FDA an NDA or ANDA.  KRYPTON  shall
         notify GENTA JAGO of its  election to exercise or not to exercise  this
         option by giving  written  notice  thereof to GENTA JAGO within  thirty
         (30)  days  as of the  availability  of  the  results  of the  Clinical
         Studies.

9.2      In the event that KRYPTON elects  pursuant to Section 9.1 above to make
         NDA or ANDA submission(s) to any Regulatory Authority with respect to a
         Final Product, KRYPTON shall have sole liability and responsibility for
         the prosecution, conduct and results of such NDA or ANDA and shall bear
         all costs in connection  therewith.  KRYPTON,  at KRYPTON's option, may
         elect by  written  notice to GENTA JAGO  prior to  commencement  of the
         technology transfer referred to in Section 7.1 above to have the NDA or
         ANDA  dossier  prepared  on  its  behalf  by a  qualified  third  party
         acceptable to GENTA JAGO.  KRYPTON shall be liable and  responsible for
         any and all costs associated with such sub-contracting.

9.3      KRYPTON or its chosen sub-contractor shall consult with GENTA JAGO, and
         GENTA  JAGO  agrees to  provide  additional  technical  assistance  and
         consultation  as may be  reasonably  requested by KRYPTON or the chosen
         sub-contractor,  in connection  with the preparation and prosecution of
         any NDA or ANDA or with the  preparation of the dossier to be submitted
         to the FDA.  KRYPTON  shall  pay to GENTA  JAGO for such  services  and
         consultation  provided by GENTA JAGO's  personnel an amount of USD * or
         any part thereof spent. Furthermore, KRYPTON shall reimburse GENTA JAGO
         for  reasonable and  documented  travel-related  expenses of GENTA JAGO
         personnel who travel at KRYPTON's request to the elected  manufacturing
         facility(ies)  or other locations  remote from such  personnel's  usual
         working location.


                                      -12-


<PAGE>

                                   ARTICLE 10
                         PROPRIETARY RIGHTS AND PATENTS

10.1     Patents and Proprietary Rights of GENTA JAGO

         (a)      The Licensor and GENTA JAGO, respectively,  shall retain title
                  to  and  ownership  of  Patents,   Know-How  and  GEOMATRIX(R)
                  Technology licensed to GENTA JAGO, including,  but not limited
                  to,  any and  all  developments  and  inventions  relating  to
                  Patents,  Know-How and  GEOMATRIX(R)  Technology  (hereinafter
                  collectively referred to as "GENTA JAGO IPR").

         (b)      KRYPTON  shall  not,   directly  or  indirectly   through  its
                  officers,  directors,  employees,  agents,  customers or other
                  controlled   or   associated   third   parties,   acquire  any
                  proprietary  interest  in or other  right to GENTA  JAGO  IPR,
                  other than provided in this Agreement.

         (c)      GENTA JAGO shall use all commercially  reasonable  efforts, at
                  its own cost, to cause the Licensor to prepare,  prosecute and
                  maintain  all patent  applications  and  patents  constituting
                  Patents, and shall keep KRYPTON fully and promptly informed on
                  any developments or changes relating thereto.  If the Licensor
                  decides  not  to  further  prosecute  any  patent  application
                  constituting Patents, GENTA JAGO shall promptly inform KRYPTON
                  of such  decision in  writing,  and the  Parties  shall,  upon
                  KRYPTON's  reasonable written request,  meet with the Licensor
                  to discuss any reasonable  appropriate action. During the term
                  of this Agreement, GENTA JAGO shall, at its sole cost, use all
                  commercially  reasonable efforts to cause the Licensor to take
                  all steps  necessary  to maintain  Patents to the extent GENTA
                  JAGO deems  commercially  reasonable.  If the Licensor decides
                  not to maintain any patent  constituting  Patents,  GENTA JAGO
                  shall promptly inform KRYPTON of such decision in writing, and
                  the Parties shall, upon KRYPTON's  reasonable written request,
                  meet with the Licensor to discuss any  reasonable  appropriate
                  action. Notwithstanding the foregoing, KRYPTON acknowledges to
                  GENTA JAGO that  Licensor  has the final  authority  regarding
                  such  preparation,  prosecution  and maintenance of all patent
                  applications and patents.

10.2     Patents and Proprietary Rights for Final Products

         (a)      KRYPTON   shall   retain   title  to  and   ownership  of  all
                  developments, whether patentable or not, relating specifically
                  and  exclusively  to the Final  Products,  provided  that such
                  developments  are  entirely  independent  of any and all GENTA
                  JAGO IPR (hereinafter  collectively referred to "Final Product
                  IPR").

         (b)      KRYPTON shall be responsible for and shall control, at its own
                  cost,  the  preparation,  prosecution  and  maintenance of all
                  Final Product IPR and shall keep GENTA JAGO fully and promptly
                  informed  on any  developments  or changes  relating  thereto.
                  During the term of this Agreement,  KRYPTON shall, at its sole
                  cost,  take all steps  necessary to prosecute  and/or maintain
                  all Final Product IPR


                                      -13-


<PAGE>

                  to  the  extent  KRYPTON  deems  commercially  reasonable.  If
                  KRYPTON intends not to further  prosecute  and/or maintain any
                  of the Final Product IPR,  KRYPTON shall promptly inform GENTA
                  JAGO of such  intention in writing,  and GENTA JAGO shall have
                  the  right  and  option,  but  not  the  obligation,  to  have
                  transferred  to it sole title to and  ownership  in such Final
                  Product  IPR free of any charge by giving  respective  written
                  notice  thereof to KRYPTON within thirty (30) days after GENTA
                  JAGO's receipt of KRYPTON's notice referred to above.

         (c)      In the event GENTA JAGO has and exercises its right and option
                  referred to Section 10.2 (b) above to have  transferred  to it
                  any such Final Product IPR,  KRYPTON shall promptly  undertake
                  any and all steps required and/or  necessary to transfer title
                  to and  ownership of such Final  Product IPR to GENTA JAGO. In
                  the  event  that  GENTA  JAGO  exercises  its  option  to have
                  transferred such Final Product IPR from KRYPTON to GENTA JAGO,
                  GENTA JAGO shall  maintain  such Final  Product IPR during the
                  term  of  this  Agreement  to  the  extent  GENTA  JAGO  deems
                  commercially  reasonable  and shall  bear all cost  associated
                  therewith  incurred  after the date of GENTA JAGO's  notice to
                  KRYPTON  exercising its option referred to in Section 10.2 (b)
                  above. In such case, the Parties shall negotiate in good faith
                  the terms and  condition,  under which such Final  Product IPR
                  transferred  to GENTA JAGO shall be  included  in the  License
                  pursuant to Article 11. below.

10.3     Notification of Infringement

         (a)      If KRYPTON becomes aware of (i) any product or activity of any
                  kind that involves or may involve an infringement or violation
                  of GENTA JAGO IPR or Final Product IPR or (ii) any third-party
                  action,  claim or  dispute  (including,  but not  limited  to,
                  actions for  declaratory  judgment  alleging the invalidity or
                  non- infringement) based upon or arising out of GENTA JAGO IPR
                  or Final Product IPR, then KRYPTON shall promptly notify GENTA
                  JAGO in writing of any such infringement,  violation,  action,
                  claim or dispute.

         (b)      If GENTA JAGO becomes  aware of (i) any product or activity of
                  any kind that  involves  or may  involve  an  infringement  or
                  violation of GENTA JAGO IPR with respect to Final  Products or
                  of Final Product IPR; or (ii) any third-party action, claim or
                  dispute   (including,   but  not  limited   to,   actions  for
                  declaratory    judgment    alleging    the    invalidity    or
                  non-infringement)  based upon or arising out of GENTA JAGO IPR
                  with respect to Final  Products or of Final  Product IPR, then
                  GENTA JAGO  shall  promptly  notify  KRYPTON in writing of any
                  such infringement, violation, action, claim or dispute.

10.4     Enforcement of GENTA JAGO IPR

         (a)      GENTA JAGO, at its sole expense, shall have the right, but not
                  the  obligation,  (i) to determine the  appropriate  course of
                  action to enforce,  or otherwise abate the infringement of, or
                  defend third-party actions regarding, GENTA JAGO IPR, (ii)


                                      -14-


<PAGE>

                  to  take,  or  refrain  from  taking,  appropriate  action  to
                  enforce, or defend third-party  actions regarding,  GENTA JAGO
                  IPR,  (iii) to control  any  litigation  or other  enforcement
                  action  regarding  GENTA JAGO IPR, and (iv) to enter into,  or
                  permit,  the  settlement  of  any  such  litigation  or  other
                  enforcement  action regarding GENTA JAGO IPR. GENTA JAGO shall
                  keep  KRYPTON  informed  on a regular  basis on its  taking or
                  refraining  from taking,  and the  development  of, any of the
                  foregoing  actions,  and shall  consider,  in good faith,  the
                  interests of KRYPTON under this  Agreement  when taking any of
                  the foregoing  actions,  to the extent that any such action or
                  such infringement may have an adverse effect on Final Product.
                  KRYPTON  shall,  at its own cost,  fully  cooperate with GENTA
                  JAGO in the planing and  execution of any suit or other action
                  to enforce,  or defend third-party  actions  regarding,  GENTA
                  JAGO IPR as reasonably required or requested by GENTA JAGO.

         (b)      If GENTA JAGO does not within  one-hundred-twenty  (120) days,
                  or  any  shorter  delay  imposed  by  any  applicable  law  or
                  regulation or court or authority  having  jurisdiction,  after
                  receiving  notice of any  infringement  or  violation of GENTA
                  JAGO IPR which may adversely affect Final Products,  or of any
                  third-party action, claim or dispute based upon or arising out
                  of GENTA JAGO IPR which may adversely  affect Final  Products,
                  commence or take an action to enforce, or otherwise abate such
                  infringement,  or defend against such third-party action, then
                  the Parties shall,  upon KRYPTON's  written request,  promptly
                  meet to discuss any reasonable  appropriate action with regard
                  to such  enforcement  of GENTA  JAGO IPR which  may  adversely
                  affect Final Products, provided however, that KRYPTON is aware
                  and acknowledges  that in such case the Licensor will have the
                  right to enforce  any and all GENTA JAGO IPR  pursuant  to the
                  License Agreements.

         (c)      Subject to the right of the  Licensor  to control  any suit or
                  other  action with regard to GENTA JAGO IPR as outlined in the
                  preceding  section,  KRYPTON,  upon its written request and at
                  its  sole  expense,  shall  be  made  an  additional,  but not
                  controlling  party,  in any such  suit or other  action  where
                  necessary  to obtain  complete  relief  regarding  the subject
                  infringement or violation.

10.5     Enforcement of Final Product IPR

         (a)      KRYPTON,  at its sole expense,  shall have the right,  but not
                  the  obligation,  (i) to determine the  appropriate  course of
                  action to enforce,  or otherwise abate the infringement of, or
                  defend third-party actions regarding,  Final Product IPR, (ii)
                  to  take,  or  refrain  from  taking,  appropriate  action  to
                  enforce,  or  defend  third-party  actions  regarding,   Final
                  Product  IPR,   (iii)  to  control  any  litigation  or  other
                  enforcement  action  regarding  Final Product IPR, and (iv) to
                  enter into, or permit,  the settlement of any such  litigation
                  or other  enforcement  action  regarding  Final  Product  IPR.
                  Notwithstanding  anything contained in the preceding sentence,
                  KRYPTON  shall not  settle  any suit or  action  or  otherwise
                  consent to an adverse  judgment in such suit or action without
                  the prior written consent of GENTA


                                      -15-


<PAGE>

                  JAGO,  which  consent  shall  not  be  withheld  unreasonably.
                  KRYPTON  shall keep GENTA JAGO  informed on a regular basis on
                  its taking or refraining from taking,  and the development of,
                  any of the  foregoing  actions,  and shall  consider,  in good
                  faith, the interests of GENTA JAGO under this Agreement and in
                  GENTA JAGO IPR, when taking any of the foregoing actions.

         (b)      If KRYPTON does not, within one-hundred-and-twenty (120) days,
                  or  any  shorter  delay  imposed  by  any  applicable  law  or
                  regulation or court or authority  having  jurisdiction,  after
                  receiving  notice of any  infringement  or  violation of Final
                  Product IPR, or of any  third-party  action,  claim or dispute
                  based upon or arising out of Final  Product  IPR,  commence or
                  take  an  action  to   enforce,   or   otherwise   abate  such
                  infringement,  or defend against such third-party action, then
                  GENTA JAGO shall have the right,  but not the  obligation,  at
                  its sole expense,  to take and control such action as it deems
                  appropriate  to  enforce,  or abate  the  infringement  of, or
                  defend  against  such  third-party  action,   regarding  Final
                  Product  IPR.  GENTA  JAGO shall keep  KRYPTON  informed  on a
                  regular basis of any such action and consider,  in good faith,
                  the interests of KRYPTON under this  Agreement when taking any
                  of the foregoing  actions.  KRYPTON,  upon its written request
                  and at its sole expense, shall be made an additional,  but not
                  controlling party, in any such suit or other action controlled
                  by GENTA  JAGO  where  necessary  to  obtain  complete  relief
                  regarding the subject infringement or violation.

10.6     Application of Monies Recovered

         Subject  always to the right of the  Licensor  to  control  any suit or
         other  action  with  regard to GENTA  JAGO IPR as  outlined  in Section
         10.4(c)  and any right to receive  any monies  recovered  therefrom  as
         provided for in the License  Agreements,  all monies recovered upon the
         final  judgment or  settlement  of any suit or other  action under this
         Sections 10.4 or 10.5 shall be applied as follows:

         (i)      to cover any and all costs and expenses (including  attorney's
                  fees)  incurred  by the Party  controlling  such suit or other
                  action;

         (ii)     to cover any and all costs and expenses (including  attorney's
                  fees)  reasonably,  or upon request of the controlling  Party,
                  incurred  by the other Party in  connection  with such suit or
                  other action, if any;

         (iii)    the remainder,  if any, to the Party controlling any such suit
                  or other action.


                                   ARTICLE 11
                              SUB-LICENSE AGREEMENT

11.1     GENTA JAGO hereby grants to KRYPTON the  exclusive  and  sublicenseable
         right and  sub-license  (hereinafter  referred to as the  "License") to
         use, manufacture, have manufactured, sell and market the Final Products
         in the Territory and to use the Patents,


                                      -16-


<PAGE>

         GEOMATRIX(R)  Technology  and Know  How  exclusively  for that  purpose
         subject to the payment of the * and the Royalties  pursuant to Articles
         13. and 14. below.

11.2     The  rights  of  KRYPTON  to grant any  sub-license  in any part of the
         Territory shall be subject to the requirement that KRYPTON shall obtain
         the  written  approval  of  GENTA  JAGO  prior  to  executing  any such
         sub-license  agreement,   which  approval  shall  not  unreasonably  be
         withheld,  provided however,  that no such approval by GENTA JAGO shall
         be required for any sub-license to an Affiliate of KRYPTON .

11.3     In any event KRYPTON shall be responsible  for any and all acts,  deeds
         and undertakings of its permitted  sub-licensee(s)  and KRYPTON and its
         permitted  sub-licensee(s)  shall continue to be bound by all terms and
         provisions  under  this  Agreement  throughout  its term.  In case that
         KRYPTON  sub-licenses  rights and/or the License to any sub-licensee(s)
         approved by GENTA JAGO, such sub-licensee(s)  shall agree in writing to
         any  and all of  KRYPTON's  obligations  and  undertakings  under  this
         Agreement, including but not limited to its confidentiality obligations
         set forth hereinafter. Furthermore, KRYPTON undertakes that any and all
         sub-license   agreements   shall  provide  for   inspection  and  audit
         provisions  identical  to the  provisions  set forth  below in order to
         enable GENTA JAGO to control and audit and receive any and all fees and
         Royalties  due as provided in this  Agreement.  KRYPTON  shall  provide
         GENTA JAGO  promptly with  reasonable  appropriate  information  on its
         sub-licensee(s) and copies of all agreements with such sub- licensee(s)
         (with only the commercial terms may be redacted).


                                   ARTICLE 12
                       MANUFACTURING AND PRODUCT LIABILITY

12.1     In the event that KRYPTON,  subject to Section 5.5 above,  elects GENTA
         JAGO, and GENTA JAGO expressly  agrees to such  manufacture,  or any of
         its Affiliates shall manufacture Final Products, then the Parties agree
         to  enter  into  good  faith  negotiations  on and to use  commercially
         reasonable  efforts to execute in due time a  respective  Manufacturing
         and Supply  Agreement,  according to which GENTA JAGO or its Affiliates
         shall  undertake to manufacture and supply Final Products in sufficient
         quantities  to meet  KRYPTON's  requirements,  at a sale price for such
         Final  Products  manufactured  equal to GENTA JAGO's * In the event and
         for such period of time, that GENTA JAGO or its Affiliate  manufactures
         and  supplies  Final  Product  under  such   Manufacturing  and  Supply
         Agreement,  the Royalty Rate referred to in Section 14.1 below shall be
         *

12.2     In the event that KRYPTON or any of its  Affiliates  or any third party
         is elected pursuant to Section 5.5 above to manufacture  Final Product,
         then KRYPTON undertakes and agrees that at all times the Specifications
         and to any and all laws, rules and regulations imposed by any competent
         authority on the  manufacturing,  marketing,  distribution  and sale of
         Final Products are strictly adhered to by the manufacturer, and KRYPTON
         shall  during the  entire  term of this  Agreement  be solely and fully
         liable and responsible for the compliance with all such laws, rules and
         regulations when manufacturing, having manufactured,


- - - ------------------
*        Confidential  treatment  requested.  The  redacted  material  has  been
         separately filed with the Commission.


                                      -17-


<PAGE>

         marketing,  distributing  and  selling  Final  Products  itself  and/or
         through Affiliates or sub- licensee(s).

12.3     KRYPTON shall indemnify, defend and hold GENTA JAGO, its Affiliates and
         the Licensor harmless from and against any losses, claims, liabilities,
         costs and expenses (including  reasonable  attorney's fees) that may be
         imposed  upon or  asserted  against  GENTA JAGO  and/or its  Affiliates
         and/or  the  Licensor  as a  result  of  the  marketing,  distributing,
         manufacture,  use or sale of Final Products by or on behalf of KRYPTON,
         its  Affiliates,  agents or  sub-licensee(s),  except for those claims,
         liabilities,  costs and  expenses  arising  from  gross  negligence  or
         intentional misconduct on the part of GENTA JAGO, its Affiliates or the
         Licensor.


                                   ARTICLE 13
                        PAYMENTS AND OTHER CONSIDERATION

13.1     As consideration for GENTA JAGO's preliminary  development  efforts for
         the  Prototype  Formulation  performed  prior to the  execution of this
         Agreement as referred to in Section 2.1 above,  KRYPTON  undertakes  to
         pay to  GENTA  JAGO  an  initial *,  payable  upon  execution  of  this
         Agreement.

13.2     As consideration for the License granted by GENTA JAGO to KRYPTON under
         this Agreement and in consideration of certain major  development steps
         achieved hereunder, KRYPTON undertakes to pay to GENTA JAGO *:

         (a)      *  KRYPTON's  receipt of GENTA  JAGO's  notice  referred to in
                  Section 7.1 above; and

         (b)      *; and

         (c)      * for the Final Product; and

         (d)      * a for the Final Product.

13.3     The Parties agree that * as set forth in Section 14.4 below.


- - - ------------------
*        Confidential  treatment  requested.  The  redacted  material  has  been
         separately filed with the Commission.


                                      -18-


<PAGE>

13.4     Unless otherwise  agreed by the Parties in writing,  all payments under
         this  Article 13.  shall be made in United  States  Dollars and to such
         place or account as GENTA JAGO reasonably requests from time to time in
         writing.


                                   ARTICLE 14
                                    ROYALTIES

14.1     During a period  commencing  upon the  first  commercial  sale of Final
         Product in each country of the Territory and ending upon the earlier of
         (i) the fifteenth  (15th)  anniversary of the first  commercial sale of
         Final Product in such country of the Territory, and (ii) the expiration
         of the last of the Patents  covering  Final  Product in such country of
         the Territory  (hereinafter  referred to as the "Royalty Term"), and in
         further  consideration of the License granted to KRYPTON by GENTA JAGO,
         KRYPTON shall pay to GENTA JAGO a royalty  (hereinafter  referred to as
         the "Royalty") of * of the Final Product in the Territory.

14.2     The  Parties  agree  that * shall be  applicable  for the first time on
         sales of such Final Product in such country of the Territory  after the
         beginning  of the  calendar  quarter  immediately  following  the first
         commercial sale of such Competitive Product.

14.3     Royalties shall be payable on a quarterly basis. KRYPTON shall remit to
         GENTA JAGO within six (6) weeks after the end of each calendar  quarter
         the  amount of  Royalty  due with  respect  to Net Sales  and/or  Gross
         Margin,  as  the  case  may  be,  achieved  in the  preceding  quarter,
         beginning with the calendar  quarter in which the first commercial sale
         of the Final Product is made in any country of the  Territory.  KRYPTON
         shall  deliver to GENTA  JAGO,  along with such  remittance  of Royalty
         payments, a detailed statement (hereinafter referred to as the "Royalty
         Report") of the Net Sales and/or Gross  Margin,  as the case may be, of
         the Final  Product on a  country-by-country  basis to which the Royalty
         payment relates.

14.4     All Royalty  Reports  shall be prepared in  accordance  with  generally
         accepted  accounting  principles  consistently  applied from applicable
         period to period  and shall be  certified  by an  officer of KRYPTON as
         being so prepared, true, accurate and correct.


- - - ------------------
*        Confidential  treatment  requested.  The  redacted  material  has  been
         separately filed with the Commission.


                                      -19-


<PAGE>

14.5     In  recognition  of  the * by  KRYPTON  to  GENTA  JAGO  prior  to  the
         commercial sale of the Final Products,  the amount of Royalty  payments
         due to GENTA  JAGO  under  Article  14.2  above  with  respect  to each
         calendar  quarter shall be * until such time as the aggregate amount of
         *

14.6     Unless  otherwise  agreed  by  the  Parties  in  writing,  payments  of
         Royalties  shall be made in United States  Dollars and to such place or
         account as GENTA JAGO reasonably requests from time to time in writing.
         Any  conversions  into United States Dollars from the currency in which
         the corresponding Net Sales and/or Gross Margin for such Royalties were
         made, are to be calculated as using the average closing buying rate for
         such  currency  quoted  in the  continental  terms  method  of  quoting
         exchange rates (local  currency per USD 1) published in the Wall Street
         Journal on the last  business day of the  applicable  reporting  period
         covered by such Royalty Report.


                                   ARTICLE 15
                              INSPECTION AND AUDIT

15.1     During the term of this  Agreement  and during a period of twelve  (12)
         months after its  expiration or  termination  for any reason,  upon the
         written  request  of GENTA  JAGO and not more than  once each  calendar
         year,  KRYPTON shall permit an independent  certified public accountant
         of internationally recognized standing selected by GENTA JAGO, at GENTA
         JAGO's expense, to have access during regular business hours to such of
         the  records  of  KRYPTON  and  its  Affiliates  as may  be  reasonably
         necessary  to verify the  accuracy of the Royalty  Reports for any year
         ending not more than  thirty-six  (36) months prior to the date of such
         request.  The accounting firm shall disclose to GENTA JAGO only whether
         the Royalty  Reports and records of KRYPTON and its  Affiliates and the
         amount of Royalties  actually  paid are correct or not and the specific
         details  concerning any  discrepancies;  no other  information shall be
         shared.  The Parties agree to accept such written audit report as final
         and binding upon them.

15.2     If such independent accounting firm correctly concludes that additional
         Royalties were owed during any such period  audited,  KRYPTON shall pay
         such additional  Royalties  within ten (10) days of the date GENTA JAGO
         delivers  to  KRYPTON  such   accounting   firm's   written  report  so
         concluding.  The fees and expenses charged by such accounting firm with
         respect to such audit shall be paid by GENTA JAGO; provided however, if
         any such audit  correctly  discloses that Royalties  payable by KRYPTON
         for the audited  period are *, then  KRYPTON  shall pay all  reasonable
         fees and expenses  charged by such accounting firm with respect to such
         audit.


- - - ------------------
*        Confidential  treatment  requested.  The  redacted  material  has  been
         separately filed with the Commission.


                                      -20-


<PAGE>

15.3     GENTA  JAGO shall  treat all  financial  information  subject to review
         under  this   Article   15.  as   confidential   and   subject  to  the
         confidentiality obligations in Article 16. below.


                                   ARTICLE 16
                                 CONFIDENTIALITY

16.1     Confidential  Information.  KRYPTON shall  maintain in confidence  all
         Know-How  and other  information  of GENTA  JAGO  (including  samples)
         disclosed  by GENTA JAGO and  identified  as, or  acknowledged  to be,
         confidential  (the  "Confidential  Information"),  and  shall not use,
         disclose or grant the use of the Confidential  Information except on a
         need- to-know basis to its  directors,  officers,  employees,  agents,
         consultants, clinical investigators or other permitted contractors, to
         the extent such disclosure is reasonably  necessary in connection with
         KRYPTON's activities as expressly authorized by this Agreement. To the
         extent that  disclosure  is  authorized  by this  Agreement,  prior to
         disclosure,  KRYPTON  hereto shall obtain  agreement in writing of any
         such person to hold in confidence and not make use of the Confidential
         Information  for any  purpose  other  than  those  authorized  by this
         Agreement. KRYPTON shall notify GENTA JAGO promptly upon the discovery
         of the unauthorized use or disclosure of the Confidential Information.

16.2     Permitted Disclosures.  The obligations of confidentiality and non-use
         contained in Section 16.1 above shall not apply to the extent that (a)
         KRYPTON (i) is required to disclose  information by law, regulation or
         order of a governmental  agency or a court of competent  jurisdiction,
         or (ii) is required to disclose information to any governmental agency
         for  purposes of obtaining  approval to test or market Final  Product,
         provided  in each case that  KRYPTON  shall give  GENTA  JAGO  written
         notice thereof and sufficient  opportunity to object to any disclosure
         or to request  confidential  treatment  thereof,  or (b)  KRYPTON  can
         demonstrate that (i) the disclosed information was public knowledge at
         the  time  of such  disclosure  to it,  or  thereafter  became  public
         knowledge,  other  than  as  a  result  of  actions  of  KRYPTON,  its
         directors,  officers  and  employees  in  violation  hereof;  (ii) the
         disclosed information was rightfully known by KRYPTON (as shown by its
         written  records)  prior to the date of disclosure to it by GENTA JAGO
         hereunder; (iii) the disclosed information was disclosed to KRYPTON on
         an  unrestricted  basis from a source  unrelated  to any party to this
         Agreement and not under a duty of confidentiality to GENTA JAGO or the
         Licensor;   or  (iv)  the  disclosed   information  was  independently
         developed  by  KRYPTON  without  the use of  Confidential  Information
         disclosed by GENTA JAGO.

16.3     Terms of this Agreement.  Except as otherwise  provided in Section 16.2
         above,  neither  Party shall  disclose any terms or  conditions of this
         Agreement  to any third  party  (other than the  Licensor)  without the
         prior consent of the other Party.  Notwithstanding the foregoing, prior
         to the  execution of this  Agreement,  the Parties shall agree upon the
         substance of information that can be used to describe the terms of this
         transaction, and the Parties may disclose such information only without
         the other Party's consent.  Notwithstanding the foregoing, prior to the
         execution of the Agreement,  the Parties shall agree upon the substance
         of information that can be used to describe the terms of this


                                      -21-


<PAGE>

         transaction,  and the Parties may disclose such information without the
         other Party's consent.

16.4     Term of  Confidentiality.  The  confidentiality  obligations under this
         Article 16 shall be effective during the term of this Agreement and for
         a period of ten (10) years after the expiration or earlier  termination
         hereof.

16.5     Injunctive  Remedies.  GENTA  JAGO  shall  be  entitled  to  injunctive
         remedies and relief  against  KRYPTON and its  Affiliates and any third
         parties  for any  breach or  threatened  breach of the  confidentiality
         obligations under this Article 16.

16.6     Damages.  In the  event of a breach of the  confidentiality  provisions
         under this  Article 16 by KRYPTON,  its  Affiliates  or its  directors,
         officers,  employees  or any other  person who were given access to the
         Confidential  Information  by KRYPTON,  GENTA JAGO shall be entitled to
         receive  from  KRYPTON any and all actual  costs and damages  caused by
         such breach.

16.7     Public  Announcements.  Neither Party shall make any press  releases or
         other public  announcements or disclosures  regarding the execution and
         the existence of this Agreement or any activities  conducted hereunder,
         including development results,  filings and registrations,  without the
         prior  written  consent  of the other  Party,  except  for such  public
         disclosure  as may be  necessary  in the opinion of any  party's  legal
         advisor  in  order  not to be in  violation  of or  default  under  any
         applicable law,  regulation or governmental  order, in such later event
         the party having an  obligation  to disclose  shall submit to the other
         party a draft of the  required  announcement  and shall  give the other
         party  the   opportunity   to   request   reasonable   amendments   and
         modifications of such required announcement..


                                   ARTICLE 17
                              TERM AND TERMINATION

17.1     Term and Expiration

         (a)      This Agreement shall expire on a country-by-country basis upon
                  the expiration of the Royalty Term.

         (b)      Upon the  expiration of this  Agreement in each country of the
                  Territory  pursuant  to Section  17.1 (a) above and payment of
                  all  fees,  including  but  not  limited  to  the *,  and  all
                  Royalties  and other  payments by KRYPTON due GENTA JAGO under
                  this Agreement, the License shall be deemed to be a perpetual,
                  fully paid-up and royalty-free  license for such Final Product
                  and each such country of the Territory.

17.2     Termination Prior to Registration


- - - ------------------
*        Confidential  treatment  requested.  The  redacted  material  has  been
         separately filed with the Commission.


                                      -22-


<PAGE>

         During  the  development,   test,  study  and  registration  phases  as
         specified  in  Articles  3.  through  8.  above,  and  until  the first
         successful registration approval of any Final Product by any Regulatory
         Authority,  this  Agreement may be  terminated  in accordance  with the
         provisions set forth in Sections 3.6, 4.6, 6.5, 7.5 and 8.6 above.

17.3     Termination for Cause

         During the entire term of this  Agreement  either  Party may  terminate
         this  Agreement  by giving to the other  Party  written  notice to that
         effect, if any of the following events occur:

         (a)      the  other  Party  is in  default  or in  breach  of a term or
                  provision  hereof and such default or breach  continues and is
                  not remedied  within  thirty (30) days upon the other  Party's
                  written request to remedy such default or breach; or

         (b)      the  other  Party  shall   commit  a  breach  of  any  of  the
                  confidentiality provisions of Article 16. above; or

         (c)      the  other  Party  goes  into   liquidation,   voluntarily  or
                  otherwise,  other than for the sole purpose of reorganization,
                  or goes into bankruptcy or makes an assignment for the benefit
                  of creditors, or in the event of a receiver being appointed of
                  the other Party's property or parts thereof.

17.4     Effect of Termination

         (a)      If KRYPTON elects to so terminate the Agreement  under Section
                  17.2 above  prior to filing of the ANDA in the United  States,
                  then:  (i)  such  termination  shall  be  without  penalty  or
                  liability to KRYPTON;  (ii) all rights and licenses granted by
                  GENTA JAGO  hereunder  shall revert to GENTA JAGO with respect
                  to such country(ies) so terminated,  (iii) KRYPTON be relieved
                  of any  payments  that  are  scheduled  or may be  made in the
                  future  under this  Agreement,  (iv)  KRYPTON  shall return to
                  GENTA JAGO all materials, documentation, information, data and
                  other things  furnished by GENTA JAGO in connection  with this
                  Agreement,   including   without   limitation   any   and  all
                  Confidential Information,  together with all copies thereof in
                  KRYPTON's   possession   or  under   its   control,   (v)  all
                  Registrations pertaining to the marketing of the Product shall
                  be  transferred  to and  be  owned  by  GENTA  JAGO  as to the
                  affected  country(ies)  and  the  data  generated  under  this
                  Agreement  shall be provided to and  thereafter  may be freely
                  used by GENTA  JAGO to  develop,  manufacture  and  market the
                  Product;   and  (vi)  GENTA  JAGO  and  its  Affiliates  shall
                  thereafter  be entitled  to  exercise  such rights as they may
                  have under their own license  agreements  to make,  have made,
                  use or sell the  Product  in the  country(ies)  so  terminated
                  without compensation or obligation to KRYPTON;  provided, that
                  the  foregoing  rights under (iv) and (vi) shall not create or
                  imply any right or license under any patent rights,  copyright
                  rights,   trademarks  or  trade  names,   know-how,  or  other
                  intellectual property rights owned or controlled by KRYPTON or
                  its Affiliates.


                                      -23-


<PAGE>

         (b)      If KRYPTON elects to so terminate this Agreement subsequent to
                  the filing of the ANDA in the United  States,  then:  (i) such
                  termination  shall be without penalty or liability to KRYPTON;
                  (ii) all rights and licenses  granted by GENTA JAGO  hereunder
                  shall revert to GENTA JAGO with  respect to such  country(ies)
                  so terminated; (iii) KRYPTON shall be relieved of any payments
                  that are  scheduled  or may be made in the  future  under this
                  Agreement,  (iv)  KRYPTON  shall  return  to  GENTA  JAGO  all
                  materials,  documentation,  information, data and other things
                  furnished  by GENTA JAGO in  connection  with this  Agreement,
                  including   without   limitation  any  and  all   Confidential
                  Information,  together  with all copies  thereof in  KRYPTON's
                  possession  or  under  its  control,  (v)  GENTA  JAGO and its
                  Affiliates  shall  thereafter be entitled to make,  have made,
                  use or sell the  Product  in the  country(ies)  so  terminated
                  (and,  provided,  that the foregoing shall not create or imply
                  any  right or  license  under  any  patent  rights,  copyright
                  rights,   trademarks  or  trade  names,   know-how,  or  other
                  intellectual property rights owned or controlled by KRYPTON or
                  its  Affiliates);  (vi) all  Registrations  pertaining  to the
                  Product shall be  transferred to and be owned by GENTA JAGO as
                  to the affected  country(ies) and the data generated hereunder
                  shall be  provided  to and  thereafter  may be freely  used by
                  GENTA JAGO to develop, manufacture and market the Product; and
                  (vii) GENTA JAGO shall pay to KRYPTON the same royalty,  which
                  shall be paid in the same manner and subject to the same terms
                  and conditions as would otherwise have applied to KRYPTON,  as
                  KRYPTON would  otherwise  have paid (absent such  termination)
                  hereunder  to GENTA JAGO on Net Sales (or on the Gross  Margin
                  of such Net Sales,  as the case may be) of the  Product in the
                  country(ies)  to which  such  termination  applies  (with such
                  royalty  to be paid by GENTA JAGO and its  Affiliates  in each
                  such country until expiration of the Royalty Term in each such
                  country),  until  such time as the  royalties  paid to KRYPTON
                  equal the  aggregate  amount  that had been paid by KRYPTON to
                  GENTA JAGO prior to such  termination  under the Sections 3.5,
                  4.3, 5.2, 6.3, 7.3,8.3, 9.2 and 13., at which time the royalty
                  rate then  prevailing  on Net Sales (or on the Gross Margin of
                  such Net Sales, as the case may be) in the United States shall
                  be reduced by two  percent (2 %) (but shall not be reduced for
                  sales outside the United States).

         (c)      Otherwise the  termination of this Agreement  shall be without
                  prejudice  to any  rights  and  obligations  of  either  Party
                  accrued prior to the effective  date of  termination.  KRYPTON
                  shall forthwith make all payments due and outstanding to GENTA
                  JAGO  at  the  date  of  termination.   Except  as  explicitly
                  otherwise  stated in this  Agreement,  GENTA JAGO shall not be
                  obligated  to refund upon  termination  of this  Agreement  to
                  KRYPTON any payments, including without limitation the *, made
                  by KRYPTON to GENTA JAGO prior to such termination pursuant to
                  the provisions of this Agreement.

         (d)      The  termination  of this  Agreement  pursuant to Section 17.3
                  above by either  Party shall not limit  remedies  which may be
                  otherwise available in law or equity to either Party.


- - - ------------------

*        Confidential  treatment  requested.  The  redacted  material  has  been
         separately filed with the Commission.


                                      -24-


<PAGE>

17.5     Early Termination of the License Agreements

         (a)      In the event that the License  Agreements are terminated prior
                  to the  expiration  of  the  last  to  expire  of the  Patents
                  licensed  to GENTA  JAGO in the  Territory,  then the  License
                  granted   hereunder  to  KRYPTON  shall  also  terminate  upon
                  KRYPTON's  receipt of the respective  termination  notice from
                  the Licensor.  KRYPTON may give written notice to the Licensor
                  of KRYPTON's desire to continue the License granted under this
                  Agreement  within sixty (60) days as of  KRYPTON's  receipt of
                  the Licensor's notice referred to above.

         (b)      In the event that KRYPTON timely  notifies the Licensor of its
                  desire to continue the License  granted under this  Agreement,
                  the Licensor shall have the right, at its sole discretion,  to
                  elect to assume in  writing  within  sixty  (60) days upon the
                  Licensor's  receipt of KRYPTON's  notice any and all rights of
                  GENTA JAGO  under  this  Agreement  and to  promptly  cure all
                  defaults of GENTA JAGO under this Agreement, if any.

         (c)      In the event that the Licensor does not timely gives notice to
                  KRYPTON  and  cures  all of GENTA  JAGO's  defaults  hereunder
                  pursuant to Section 17.5(b) above, then KRYPTON shall promptly
                  assume in writing any and all rights and  obligations of GENTA
                  JAGO under the License Agreements with the Licensor,  but with
                  regard  to  the  rights  encompassed  by the  License  granted
                  hereunder  only,  and promptly cure all defaults of GENTA JAGO
                  under  the  License  Agreements  with  regard  to  the  rights
                  encompassed by the License granted hereunder only, if any.

         (d)      Notwithstanding  anything  contained in this Section  17.5, no
                  action taken by the Licensor and/or KRYPTON to continue or not
                  to continue  the  License  shall  relieve  GENTA JAGO from any
                  liability for any uncured defaults under this Agreement or the
                  License  Agreements,  and such action by the  Licensor  and/or
                  KRYPTON  shall be  without  prejudice  to any other  rights or
                  remedies  the  Licensor  and/or  KRYPTON  may  have  in law or
                  equity.


                                   ARTICLE 18
                                   WARRANTIES

18.1     GENTA  JAGO  shall  carry  out and  undertake  the  studies  and  tests
         specified in this  Agreement in a careful and  diligent  manner.  GENTA
         JAGO agrees to carefully choose,  instruct and supervise any employees,
         officers,  Affiliates  or third  parties  to be  chosen  by GENTA  JAGO
         pursuant  to this  Agreement,  who are  involved  with  the  tests  and
         studies.   Nothing  in  this   Agreement   shall  be   construed  as  a
         representation  made,  or  warranty  given,  by  GENTA  JAGO  that  any
         development performed by or for GENTA JAGO under this Agreement will be
         successful  in whole or in part, or that any product,  including  Final
         Product,  which may be developed,  will be successful in the commercial
         marketplace.   Furthermore,  GENTA  JAGO  makes  no  representation  or
         warranty, express or implied,


                                      -25-


<PAGE>

         with respect to  GEOMATRIX(R)  Technology  and/or  Know-How,  including
         without   limitation,   any   warranty   of   completeness,   accuracy,
         merchantability or fitness for a particular purpose thereof.

18.2     GENTA JAGO  represents  and warrants  that it has all rights  regarding
         Patents,  GEOMATRIX(R)Technology  and  Know-How  necessary to grant the
         License hereunder.  Notwithstanding the preceding sentence,  GENTA JAGO
         does not  assume  any  responsibility  and makes no  warranty  that the
         performance  of this  Agreement  and any product  developed  hereunder,
         including Prototype  Formulation(s) and Final Products, do not infringe
         any third party's patents,  patent  applications or other  intellectual
         property rights.  Notwithstanding  the preceding  sentence,  GENTA JAGO
         represents  and  warrants  that,  as of  the  effective  date  of  this
         Agreement,  it  is  not  aware  and  has  not  knowledge  of  any  such
         infringement of any third party rights. If, however,  during the course
         of  this   Agreement   either  Party   discovers   that  the  Prototype
         Formulation(s)  and/or the Final Products  infringe or may infringe any
         third party's  intellectual  property rights,  it shall promptly inform
         the other  Party  thereof  and the  Parties  shall meet to discuss  the
         course of action to be taken with regard thereto.

18.3     Nothing in this Agreement shall be construed as a representation  made,
         or  warranty  given by GENTA JAGO that any patent will issue based upon
         any pending patent  application  encompassed  by the term Patents,  and
         that any patent  encompassed  by the term Patents  which issues will be
         valid or enforceable.

18.4     GENTA JAGO  assumes no  liability  or  responsibility  for any  damages
         caused to KRYPTON, third parties, animals and/or the environment by the
         manufacturing,  marketing or use of the Prototype Formulations or Final
         Products  or the active  ingredient  contained  therein,  except to the
         extent that any of the above are  attributable to the gross  negligence
         or willful  misconduct  of GENTA  JAGO in  performing  its  obligations
         hereunder.

18.5     Subject  to the  specific  representations  and  warranties  given  and
         specific disclaimers of representations and warranties included in this
         Article 18, and further  subject to anything to the contrary  contained
         in  this  Agreement,  either  Party  shall,  as to  third  parties,  be
         indemnified  and held  harmless by the other Party from and against any
         and all losses,  liabilities and damages arising from any claim, action
         or  other  proceeding  by any  third  party  relating  to any  acts  or
         omissions of the other Party,  its  directors,  officers,  employees or
         agents,  or the gross  negligence  or willful  misconduct of such other
         Party, its directors,  officers,  employees or agents in performing any
         of its obligations under this Agreement.

18.6     Any  liability,  warranty  and  undertaking  contained  herein shall be
         limited to the payment by either Party for direct  damages to the other
         Party  and in any  event,  neither  Party  shall be liable to the other
         Party for any  special,  indirect,  punitive or  consequential  damages
         and/or loss of profits or anticipated profits, respectively.

18.7     KRYPTON shall, at its own expense,  purchase from an insurance  company
         of its  choice  and  shall  maintain  during  the  entire  term of this
         Agreement an appropriate and customary


                                      -26-


<PAGE>

         policy of general  liability and product liability  insurance  covering
         its  responsibilities  regarding  Prototype  Formulation(s)  and  Final
         Products  developed,   manufactured,   marketed  and  sold  under  this
         Agreement  and the  Active  Ingredient  contained  therein  and the use
         thereof.  Upon request,  KRYPTON shall provide GENTA JAGO with evidence
         that such insurances are existing and are maintained.


                                   ARTICLE 19
                            MISCELLANEOUS PROVISIONS

19.1     Entire  Agreement:  The terms,  covenants,  conditions  and  provisions
         contained  in this  Agreement,  including  its  Appendices  referred to
         herein,  constitute the total and complete agreement of the Parties and
         supersede all prior  understandings  and  agreements  hereto made,  and
         there  are  no  other  representations,  understandings  or  agreements
         relating to the subject matter hereof. The provisions of this Agreement
         may not be waived,  altered,  amended or  repealed  in whole or in part
         except by the written consent of both of the Parties to this Agreement.

19.2     Assignment:   This   Agreement   may  not  be  assigned  or  otherwise
         transferred,  nor,  except as expressly  provided  hereunder,  may any
         right or  obligation  hereunder be assigned or  transferred  by either
         Party,  other than to an Affiliate of such Party,  without the consent
         of the other Party;  provided however,  that either Party may, without
         such consent,  assign this  Agreement  and its rights and  obligations
         hereunder  in  connection   with  the  transfer  or  sale  of  all  or
         substantially  all of its  business,  or in the  event of its  merger,
         consolidation,  change in control or similar transaction; and provided
         further that GENTA JAGO may without the consent of KRYPTON  assign any
         and all of its rights and obligations hereunder to the Licensor and/or
         any of the Licensor's Affiliates.  Any permitted assignee shall assume
         all  obligations  of its  assignor  under this  Agreement or under the
         respective rights or obligations actually assigned.

19.3     Successors: This Agreement and all rights hereunder shall ensure to the
         benefit of all successors and assigns of both Parties.

19.4     Notices:  Any  consent,  notice or report  required or  permitted to be
         given or made under this  Agreement  by one Party to the other shall be
         in English and in writing,  delivered  personally or by courier service
         or by facsimile  (promptly  confirmed  by personal  delivery or courier
         service)  addressed to the other Party at its address  indicated below,
         or to such other  address as shall have been notified in writing to the
         sending Party by the receiving  party from time to time, and shall take
         effect upon receipt by the addressee.

         IF TO KRYPTON:                     KRYPTON LTD.
                                            East Wing, Second Level
                                            Hadfield House
                                            Library Street
                                            Gibraltar
                                            attn.: PRESIDENT


                                      -27-


<PAGE>

         WITH COPIES TO:                    SKYEPHARMA PLC
                                            105 Piccadilly
                                            London W1V 9FN, England
                                            attn.: COMPANY SECRETARY

         AND:                               RINDERKNECHT GLAUS & STADELHOFER
                                            Beethovenstrasse 7
                                            P.O. Box 4451
                                            CH-8022 Zurich, Switzerland
                                            attn.: DR. THOMAS M. RINDERKNECHT

         IF TO GENTA JAGO:                  GENTA JAGO Technologies B.V.
                                            Swiss Branch
                                            Grundstrasse 12
                                            CH-6343 Rotkreuz, Switzerland
                                            attn.: MANAGEMENT COMMITTEE

         WITH COPIES TO:                    RINDERKNECHT GLAUS & STADELHOFER
                                            Beethovenstrasse 7
                                            8002 Zurich, Switzerland
                                            attn.: DR. THOMAS M. RINDERKNECHT


                                      -28-


<PAGE>


         AND:                               PILLSBURY MADISON & SUTRO LLP
                                            235 Montgomery Street, 15th Floor
                                            San Francisco, CA 94104, U.S.A.
                                            attn.: THOMAS E. SPARKS, JR., ESQ.

19.5     Independent Contractors:  It is expressly agreed that the Parties shall
         be  independent  contractors  and that  the  relationship  between  the
         Parties shall not  constitute a  partnership,  joint venture or agency.
         Neither  Party  shall  have  the  authority  to  make  any  statements,
         representations  or  commitments  of any kind,  or to take any  action,
         which shall be binding on the other  Party,  without the prior  written
         consent of the other Party to do so.

19.6     Severability:  Each Party hereby  acknowledges that it does not intend
         to  violate  any  public  policy,  statutory  or common  laws,  rules,
         regulations,  treaty or decision of any government agency or executive
         body thereof of any country or community or  association of countries.
         Should one or more  provisions of this Agreement be or become invalid,
         the  Parties  hereto  shall  substitute,   by  mutual  consent,  valid
         provisions for such invalid provisions which valid provisions in their
         economic  effect are  sufficiently  similar to the invalid  provisions
         that it can be reasonably  assumed that the parties would have entered
         into this  Agreement  with such  provisions.  In case such  provisions
         cannot be agreed upon, the invalidity of one or several  provisions of
         this  Agreement  shall not affect the validity of this  Agreement as a
         whole, unless the invalid provisions are of such essential  importance
         to this Agreement that it is to be reasonably assumed that the Parties
         would  not have  entered  into  this  Agreement  without  the  invalid
         provisions.

19.7     Force Majeure: Neither Party hereto shall be held liable or responsible
         to the other  Party nor be deemed to have  defaulted  under or breached
         this  Agreement for failure or delay in  fulfilling  or performing  any
         term of this  Agreement  when  such  failure  or delay is  caused by or
         results from causes beyond the reasonable control of the affected Party
         including but not limited to fire, floods,  embargoes, war, acts of war
         (whether  war  be  declared  or  not),   insurrections,   riots,  civil
         commotions,  strikes, lockouts or other labor disturbances, acts of God
         or acts, omissions or delays in acting by any governmental authority or
         the other Party hereto.

19.8     Interest:  In the event any amount due and payable under this Agreement
         is not paid by the due date, then the Party owing such amount shall pay
         to the creditor,  without being requested by the other Party,  interest
         on the  total  outstanding  amount  at the  rate  equal  to the  London
         Interbank  Offered  Rate  ("LIBOR"),  as  published  in the Wall Street
         Journal (Europe) on the date that such payment falls due,  increased by
         three percent (3%), in United States  Dollars and adjusted on the first
         day of every calendar quarter.

19.9     Headings:  The titles and headings used in this  Agreement are intended
         for  convenience  only and shall not in any way affect  the  meaning or
         construction of any provision of this Agreement.


                                      -29-


<PAGE>

19.10    Waiver: The waiver by either Party hereto of any right hereunder or the
         failure  to  perform  or of a breach  by the other  Party  shall not be
         deemed a waiver of any other right  hereunder or of any other breach or
         failure by said other Party whether of a similar nature or otherwise.

19.11    Counterparts:   This   Agreement   may  be  executed  in  two  or  more
         counterparts,  each of which  shall be deemed an  original,  but all of
         which together shall constitute one and the same instrument.


                                   ARTICLE 20
                       DISPUTE RESOLUTION AND ARBITRATION

20.1     In the event of any dispute arising between the Parties concerning this
         Agreement,  GENTA JAGO and  KRYPTON  agree that in the first place they
         shall meet for good faith  discussions  in an attempt to  negotiate  an
         amicable solution.

20.2     Any dispute  arising  between the Parties out of or in connection  with
         this Agreement,  or the interpretation,  breach or enforcement thereof,
         which cannot be amicably resolved pursuant to Section 20.1 above within
         two (2) months as from the first  appearance of such dispute,  shall be
         finally resolved by binding arbitration.  Whenever a Party shall decide
         to institute arbitration  proceedings,  it shall give written notice to
         that  effect to all of the other  Parties.  Any  arbitration  hereunder
         shall be conducted under the Rules of  Conciliation  and Arbitration of
         the  International  Chamber of Commerce.  Any such arbitration shall be
         conducted in the English  language by a panel of three (3)  arbitrators
         appointed in  accordance  with such rules,  and shall be held in PARIS,
         FRANCE.  The  arbitrators  shall have the  authority to grant  specific
         performance, and to allocate among the parties the costs of arbitration
         in such equitable manner as they determine.  Judgment upon the award so
         rendered may be entered in any court having jurisdiction or application
         may be made to such  court  for  judicial  acceptance  of any  award so
         rendered  and an order of  enforcement,  as the case may be.  Whether a
         claim,  dispute  or other  matter  in  question  would be barred by the
         applicable  statute  of  limitations,  which  also  shall  apply to any
         arbitration  under  this  section,   shall  be  determined  by  binding
         arbitration pursuant to this section.

20.3     Notwithstanding anything contained in this Article 20, either Party may
         seek  preliminary  or  injunctive  measures or relief in any  competent
         court having jurisdiction.


                                   ARTICLE 21
                                 APPLICABLE LAW

The  Parties  hereto  agree  that  this  Agreement,  all  transactions  executed
hereunder  and all  relationships  between the Parties in  connection  therewith
shall be  construed  under and be  governed by the laws of  Switzerland  without
reference to the conflict of law principals  thereof,  and shall not be governed
by the United  Nations  Convention  on Contracts for the  International  Sale of
Goods.

IN WITNESS WHEREOF,  the Parties have executed this Agreement as of the 31st day
of October 1996.


GENTA JAGO TECHNOLOGIES B.V.




/s/ Thomas H. Adams                                     /s/ Jacques Gonella
- - - -------------------                                     -------------------
by:  Dr. Thomas H. Adams                                by:  Dr. Jacques Gonella
its:  Managing Director                                 its:  Managing Director



KRYPTON LTD.



/s/
- - - -------------------
by:
its:

The Licensor, Jagotec AG, hereby agrees to be bound by the obligations contained
in Section 17.5 of this Agreement.


                                      -30-

<PAGE>

JAGOTEC AG



/s/ Jacques Gonella                                      /s/
- - - -------------------                                      -------------------
by:                                                      by:
its:                                                     its


                                      -31-


                                                                   EXHIBIT 10.97
                        CONFIDENTIAL TREATMENT REQUESTED

                         LICENSE TERMINATION AGREEMENT



BETWEEN THE UNDERSIGNED:


Wilton Licensing AG, Postfach, Ch - 6052 Hergiswil ("Wilton")


AND

Genta,  Inc.,  3350  General  Atomics  Court,  San  Diego,  CA 92121,  and Genta
Pharmaceuticals Europe SA, 146 Rue Paradis, F - 13006 Marseille.


WHEREAS:


On 28th October 1991,  Genta and Wilton signed a contract for a duration of * or
for the life of the PATENT in each country of the TERRITORY, whichever is longer
under the terms and  conditions  of which  Wilton  granted  to Genta a right and
license  to make,  have  made,  use and sell the  PRODUCT  as regards to the new
chemical entity (SCY ER).

On 28th October 1991,  Genta and Wilson also signed a contract for a duration of
* or for the life of the PATENT in each country of the  TERRITORY,  whichever is
longer under the terms and  conditions of which Wilton  granted to Genta a right
and license to make,  have made,  use and sell the PRODUCT as regards to the new
chemical entity (SCY).


These agreements  (hereafter  referred to as the CONTRACTS  enclosed in appendix
are governed by the laws of the State of California).

Due to various circumstances Genta has agreed to terminate the CONTRACTS. Wilson
has agreed to such termination.


THEREFORE GENTA, WILSON AND PERMATEC HAVE AGREED TO FIND AN AMICABLE SOLUTION ON
THE FOLLOWING TERMS:


- - - ----------------
*  Confidential treatment requested.  The redacted material has been separately
   filed with the Commission.


                                      - 1 -


<PAGE>

Article 1

Upon payment by Permatec of the lump sum as  described in article 2,  hereafter,
Wilton and Genta  acknowledge  that the  CONTRACTS  shall be  terminated  and be
transferred  back to Wilton  effective on 25th November 1996.  Genta agrees that
with such  termination all development  results,  studies,  dossiers,  files and
documents in connection  with the CONTRACTS or which have been acquired by Genta
in connection with its activities  under the CONTRACTS  ("Development  Results")
shall be  transferred  and  assigned to Wilton and that  Wilton  shall be solely
entitled to utilize the Development Results.


Article 2

So as to avoid any  dispute  of  whatsoever  nature  arising  out of the  above,
Permatec undertakes to pay to Genta upon execution of the Agreement the sum of *
and on 5th December 1996 a further  amount of * in full and final  settlement of
all mutual claims under the  CONTRACTS  and for the transfer of the  Development
Results.


Article 3

Genta will  acknowledge  receipt of the sum  described  in Article 2 above,  and
acknowledges that all its rights arising out of the performance of the CONTRACTS
with Wilton have been fulfilled and  transferred  back to Wilton and Genta shall
not continue any activity in respect of the subject  matter of the  CONTRACTS or
shall not use anymore the Development Results.  Genta agrees to execute any such
other  documents  which may be necessary for the transfer and  assignment of the
Development Results.

Wilton also  acknowledges that all its rights arising out of the performance and
termination  of the CONTRACTS  between Genta and Wilton have been  fulfilled and
that Genta shall be fully  released from any  obligation to Wilton in connection
with the CONTRACTS,  except for the transfer and  assignment of the  Development
Results.  Wilton acknowledges that Genta does not give any guarantee or warranty
in respect of the Development Results.

Wilton and Genta also  declare  that all their  rights  arising out of the legal
relations  and/or out of the  CONTRACTS  which  existed  between  them have been
fulfilled.


Article 4

The existence and contents of this agreement are strictly confidential and shall
not be  disclosed  to any third  party,  unless and only to the extent that such
disclosure  is  required  by laws or  regulations,  are  legally  required  by a
competent  authority.  Any such disclosure shall not relieve either party of its
obligation  of  confidentiality  thereunder  in  respect  of any other  legal or
physical  person  other  than  those  to  whom  disclosure  is  required  by law
regulations or competent authorities.


- - - ----------------
*  Confidential treatment requested.  The redacted material has been separately
   filed with the Commission.


                                      - 2 -


<PAGE>

Article 5

Any and all  rights  and  interpretation  arising  out of  this  settlement  are
governed by reference to the CONTRACTS and the provision contained herein.


Article 6

This  agreement  shall not constitute an admission of liability by either of the
parties, except as expressly set forth herein.

The above  provisions,  which have been fully  discussed and agreed upon between
the  parties  represent  the  entirety  of  their  agreement  and  constitute  a
settlement.



Made in Muttenz, on Monday, 2nd December 1996, in three (3) originals.


/s/                                                  /s/
- - - ----------------------                               -------------------------
Genta, Inc.                                          Wilton Licensing AG






Enclosures:       *Appendix
                  *Power of Attorney





                                      - 3 -


  LEGAL LANGUAGE SERVICES                  
- - - -------------------------------------------------------------------------------
[LOGO] A Division of ALS International               Telephone  (212) 766-4111
       18 John Street                                Toll Free  (800) 788-0450
       Suite 300                                     Telefax    (212) 349-0964
       New York, NY 10038-4011

March 25, 1997

To Whom It May Concern:

This is to certify that the attached  translation from French into English is an
accurate  representation of the document received by this office.  This document
is designated as:

           CONTRACT NO. A 93 08 222 U 00, BETWEEN AGENCE NATIONALE DE
         VALORISATION DE LA RECHERCHE (ANVAR) AND GENTA PHARMACEUTICALS
                                 EUROPE ET. AL.

Richard Grose,  who performed this  translation,  is certified by this agency as
fluent in French  and  standard  North  American  English  and is  qualified  to
translate. He attests to the following:

"To the best of my knowledge, the accompanying text is a true, full and accurate
translation of the specified document."


/s/ Richard Grose
- - - ------------------------------------
Signature of Richard Grose



Subscribed and sworn to before me this  3-25, 1997

/s/ Sherry Riedel
- - - ------------------------------------
Sherry Riedel
Notary Public, State of New York
No. 43-5041034
Qualified in Richmond County
Certificate Filed in New York County
Commissin Expires March 27, 1999

Sincerely,

Victor J. Hertz
President


                                  EXHIBIT 22.1

                               GENTA INCORPORATED
                         SUBSIDIARIES OF THE REGISTRANT

JBL Scientific,  Inc., a California corporation, is a wholly owned subsidiary of
Genta Incorporated.

Genta  Pharmaceuticals  Europe  S.A.,  a French  corporation,  is a wholly owned
subsidiary of Genta Incorporated.


                                                                    EXHIBIT 23.1

               CONSENT OF ERNST & YOUNG LLP, INDEPENDENT AUDITORS

         We  consent  to the  incorporation  by  reference  in the  Registration
Statements  on Forms S-3 and S-8 of our reports  dated  February 28, 1997,  with
respect to the consolidated  financial  statements of Genta Incorporated and the
financial  statements  of Genta Jago  Technologies  B.V.,  included in the Genta
Incorporated Annual Report (Form 10-K) for the year ended December 31, 1996.



                                                /s/ ERNST & YOUNG LLP

                                                ERNST & YOUNG LLP

San Diego, California
March 13, 1997

<TABLE> <S> <C>


<ARTICLE>                     5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED
FROM THE CONSOLIDATED BALANCE SHEETS AND CONSOLIDATED STATEMENTS
OF OPERATIONS CONTAINED IN THE COMPANY'S ANNUAL REPORT ON FORM
10-K FOR THE YEAR ENDED DECEMBER 31, 1996 AND IS QUALIFIED IN ITS
ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
       
<S>                             <C>
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                  DEC-31-1996
<PERIOD-START>                     JAN-01-1996
<PERIOD-END>                       DEC-31-1996
<CASH>                                 532,013
<SECURITIES>                                 0
<RECEIVABLES>                          664,696
<ALLOWANCES>                                 0
<INVENTORY>                            992,243
<CURRENT-ASSETS>                     2,374,116
<PP&E>                               5,951,568
<DEPRECIATION>                       2,317,287
<TOTAL-ASSETS>                      11,169,384
<CURRENT-LIABILITIES>                4,328,609
<BONDS>                              2,766,543
                        0
                                529
<COMMON>                                39,992
<OTHER-SE>                           4,033,711
<TOTAL-LIABILITY-AND-EQUITY>        11,169,384
<SALES>                              4,924,694
<TOTAL-REVENUES>                     5,297,955
<CGS>                                2,479,337
<TOTAL-COSTS>                       13,951,784
<OTHER-EXPENSES>                             0
<LOSS-PROVISION>                             0
<INTEREST-EXPENSE>                     (59,770)
<INCOME-PRETAX>                              0
<INCOME-TAX>                                 0
<INCOME-CONTINUING>                          0
<DISCONTINUED>                               0
<EXTRAORDINARY>                              0
<CHANGES>                                    0
<NET-INCOME>                       (11,425,782)
<EPS-PRIMARY>                             (.47)
<EPS-DILUTED>                                0
        


</TABLE>


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