GENTA INCORPORATED /DE/
S-3/A, 1998-01-21
BIOLOGICAL PRODUCTS, (NO DIAGNOSTIC SUBSTANCES)
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    As filed with the Securities and Exchange Commission on January 21, 1998
                                                      Registration No. 333-35215
================================================================================


                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549
                            ------------------------
                               AMENDMENT NO. 1 TO
                                    FORM S-3
                             REGISTRATION STATEMENT
                                      UNDER
                           THE SECURITIES ACT OF 1933

                               GENTA INCORPORATED
             (Exact name of registrant as specified in its charter)

           Delaware                                           33-0326866
- --------------------------------------------------------------------------------
(State or other jurisdiction of                            (I.R.S. Employer
incorporation or organization)                            Identification No.)

                           3550 General Atomics Court
                           San Diego, California 92121
                                 (619) 455-2700

  (Address, including zip code, and telephone number, including area code, of
                   registrant's principal executive offices)

                                   Copies to:
  
DR. KENNETH G. KASSES                            MONICA C. LORD
   Genta Incorporated                        Kramer, Levin, Naftalis & Frankel
3550 General Atomics Court                         919 Third Avenue 
San Diego, California 92121                    New York, New York 10022
    (619) 455-2700                                 (212) 715-9100

           (Name, address, including zip code, and telephone number,
                   including area code, of agent for service)


         Approximate  date of commencement of proposed sale to the public:  From
time to time after the effective date of this Registration Statement.
         If the only securities  being registered on this Form are being offered
pursuant to dividend or interest  reinvestment plans, please check the following
box: [ ]
         If any of the  securities  being  registered  on  this  Form  are to be
offered  on a  delayed  or  continuous  basis  pursuant  to Rule 415  under  the
Securities Act of 1933, as amended (the "Securities Act"), other than securities
offered only in connection with dividend or interest  reinvestment plans, please
check the following box: [x]
         If this Form is filed to register additional securities for an offering
pursuant to Rule 462(b) under the Securities Act, please check the following box
and list  the  Securities  Act  registration  statement  number  of the  earlier
effective registration statement for the same offering: [ ]
         If this  Form is a  post-effective  amendment  filed  pursuant  to Rule
462(c) under the Securities Act, check the following box and list the Securities
Act  registration   statement  number  of  the  earlier  effective  registration
statement for the same offering: [ ]
         If delivery of the  prospectus  is expected to be made pursuant to Rule
434  under  the   Securities   Act,   please  check  the  following   box:  [  ]
___________________

         THE REGISTRANT HEREBY AMENDS THIS  REGISTRATION  STATEMENT ON SUCH DATE
OR DATES AS MAY BE NECESSARY TO DELAY ITS  EFFECTIVE  DATE UNTIL THE  REGISTRANT
SHALL FILE A FURTHER AMENDMENT WHICH SPECIFICALLY  STATES THAT THIS REGISTRATION
STATEMENT SHALL  THEREAFTER  BECOME EFFECTIVE IN ACCORDANCE WITH SECTION 8(A) OF
THE SECURITIES  ACT OF 1933, AS AMENDED,  OR UNTIL THIS  REGISTRATION  STATEMENT
SHALL BECOME  EFFECTIVE ON SUCH DATE AS THE COMMISSION,  ACTING PURSUANT TO SAID
SECTION 8(A), MAY DETERMINE.


<PAGE>

                         CALCULATION OF REGISTRATION FEE
<TABLE>
<CAPTION>
==============================================================================================================
                                               Proposed Maximum   Proposed Maximium     
Class of Securities           Amount to         Offering Price    Aggregate                    Amount of
To Be Registered             be Registered(1)     per share(1)    Offering Price (1)         Registration Fee
- ---------------------      ----------------   ----------------    ------------------         ----------------
<S>                         <C>                 <C>                <C>                       <C>    
Common Stock,               65,548,982          $1.625             $106,517,096             $32,278
$.001 par value
==============================================================================================================
</TABLE>
- ----------
(1)      Estimated  solely for  purposes of  calculating  the  registration  fee
         pursuant to Rule 457(c) of the Securities  Act, based on the average of
         the high and low sale  prices  for the  Common  Stock  reported  on the
         Nasdaq SmallCap Market on September 3, 1997.

         The Registrant hereby amends this  Registration  Statement on such date
or dates as may be necessary to delay its  effective  date until the  Registrant
shall file a further amendment which specifically  states that this Registration
Statement shall  thereafter  become effective in accordance with Section 8(a) of
the Securities Act or until the Registration Statement shall become effective on
such date as the Securities  and Exchange  Commission,  acting  pursuant to said
Section 8(a), may determine.


<PAGE>



                  Subject to Completion, Dated January __, 1998

                               Genta Incorporated

                        65,548,982 Shares of Common Stock

         This Prospectus  covers the sale by certain selling  stockholders  (the
"Selling Stockholders") of 65,548,982 shares (the "Registered Shares") of Common
Stock, par value $.001 (the "Common Stock"),  of Genta Incorporated  ("Genta" or
the  "Company").  The Registered  Shares are issuable (i) upon the conversion of
the Company's  Series D Convertible  Preferred  Stock, par value $.001 per share
and stated value $100 per share (the "Series D Preferred Stock"),  (ii) upon the
exercise of the Company's  Class D Warrants (the "Class D Warrants") to purchase
Common  Stock,  (iii) upon the  exercise of certain  other  warrants to purchase
Common Stock (the "Initial Warrants" and the "Line of Credit Warrants") and (iv)
in connection with consulting  agreements with certain  directors of the Company
(the  "Consulting  Agreements").   29,998,511  of  the  Registered  Shares  (the
"Contingent Shares") are issuable only upon a decrease in the present conversion
price  of  the  Series  D  Preferred   Stock  which  may  occur  under   certain
circumstances.  See "Capital  Stock."  There are (i) 227,025  shares of Series D
Preferred Stock, (ii) 807,900 Class D Warrants, (iii) 6,357,616 Initial Warrants
and (iv) 50,000 Line of Credit  Warrants  currently  outstanding.  An additional
40,395  shares of Series D  Preferred  Stock and  201,975  Class D Warrants  are
issuable up to ten years after  December 31, 1997.  The resale of the Registered
Shares is covered by this Prospectus.

         The Company has agreed to register under the Securities Act of 1933, as
amended (the  "Securities  Act"), all of the Registered  Shares.  The Company is
obligated to keep the Registration  Statement (as defined below),  of which this
Prospectus is a part,  effective until the Selling  Stockholders  have completed
the distribution described herein or until the Common Stock registered hereunder
is no longer,  by reason of Rule 144(k) of the  Securities  Act,  required to be
registered for the sale thereof by the Selling Stockholders.

         Each share of Series D Preferred Stock is convertible at any time after
the original issuance, at the option of the holder, into shares of Common Stock.
The conversion price (the "Conversion Price") of the Series D Preferred Stock is
$.94375  on  the  date  hereof,   and  is  subject  to   adjustment  in  certain
circumstances.  See "Capital  Stock." Each Class D Warrant may be exercised  any
time prior to June 30, 2002 (or, if redeemed prior thereto, the date immediately
preceding  the  redemption  date) for one share of Common  Stock at an  exercise
price of $.94375 per share, subject to adjustment in certain circumstances. Each
Initial  Warrant may be  exercised  any time for one share of Common Stock at an
exercise  price  of  $.471875  per  share,  subject  to  adjustment  in  certain
circumstances.  Each Line of Credit  Warrant may be  exercised  any time for one
share of Common  Stock at an  exercise  price of $2.50  per  share,  subject  to
adjustment in certain  circumstances.  No fractional  shares will be issued upon
exercise of the Class D Warrants,  the Initial  Warrants  and the Line of Credit
Warrants,  and the  Company  will pay  cash in lieu of  fractional  shares.  The
29,998,511  Contingent  Shares have been calculated based on the assumption that
the present  conversion  price of the Series D Preferred  Stock is  decreased to
$.3429. See "Capital Stock."

         The  Series D  Preferred  Stock,  the  Class D  Warrants,  the  Initial
Warrants  and the Line of  Credit  Warrants  are not  listed  on any  securities
exchange or quoted in any over-the-counter market. The Company's Common Stock is
traded on the Nasdaq  SmallCap  Market  under the symbol  "GNTA." On January 14,
1998,  the last  sales  price of the  Common  Stock as  reported  on the  Nasdaq
SmallCap Market was $0.75.

         The   Company   will   inform  the   Selling   Stockholders   that  the
anti-manipulation  provisions of Regulation M ("Regulation M") promulgated under
the Securities  Exchange Act of 1934, as amended (the "Exchange Act"), may apply
to the sales of the Registered  Shares. The Company also will advise the Selling
Stockholders  of the  requirement  for delivery of this Prospectus in connection
with any sale of the Registered Shares.

         The  Company  will  not  receive  any  proceeds  from  the  sale of the
Registered  Shares.  Upon  issuance  to the Selling  Stockholders  of all of the
Common Stock underlying the Class D Warrants, the Initial Warrants and


<PAGE>

the Line of Credit  Warrants,  the Company could receive  aggregate  proceeds of
$3,887,296  (assuming per share exercise prices, which are subject to adjustment
in certain circumstances,  of $.94375 for the Class D Warrants, $.471875 for the
Initial  Warrants  and $2.50 for the Line of Credit  Warrants).  The  Company is
bearing  the costs  relating  to this  registration  of the  Registered  Shares,
including, without limitation, registration fees, qualification and filing fees,
printing  expenses,  escrow fees,  fees and expenses of counsel for the Company,
blue sky fees and expenses and the expense of any special audits  incident to or
required  by this  registration  (but  excluding  fees of legal  counsel for any
Selling Stockholder).  All discounts or commissions will be borne by the Selling
Stockholders.  It is anticipated that usual and customary brokerage fees will be
paid by the Selling  Stockholders in all open market  transactions.  The Selling
Stockholders  and any  broker-dealers,  agents or underwriters  that participate
with the Selling  Stockholders in the distribution of the Registered  Shares may
be  determined to be  "underwriters"  within the meaning of Section 2(11) of the
Securities Act and any commissions received by them and any profit on the resale
of  such  securities  purchased  by  them  may  be  deemed  to  be  underwriting
commissions or discounts under the Securities Act. See "Plan of Distribution."

         THE REGISTERED SHARES HAVE NOT BEEN REGISTERED FOR SALE UNDER THE
SECURITIES LAWS OF ANY STATE OR JURISDICTION AS OF THE DATE OF THIS  PROSPECTUS.
BROKERS  OR DEALERS  EFFECTING  TRANSACTIONS  IN THE  REGISTERED  SHARES  SHOULD
CONFIRM THE  REGISTRATION OF THE REGISTERED  SHARES UNDER THE SECURITIES LAWS OF
THE STATES IN WHICH SUCH TRANSACTIONS  OCCUR, OR THE EXISTENCE OF ANY EXEMPTIONS
FROM SUCH REGISTRATION.

                              ---------------------

               THE SECURITIES OFFERED HEREBY INVOLVE A HIGH DEGREE
                OF RISK. SEE "RISK FACTORS" COMMENCING ON PAGE 9.

                              --------------------

      THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES
       AND EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION NOR HAS THE
       SECURITIES AND EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMIS-
        SION PASSED UPON THE ACCURACY OR ADEQUACY OF THIS PROSPECTUS.
          ANY REPRESENTATION TO THE CONTRARY IS A CRIMINAL OFFENSE.

                               ------------------

                  The date of this Prospectus is _______, 1998.


<PAGE>

                              AVAILABLE INFORMATION

         The  Company  is  subject  to  the  informational  requirements  of the
Exchange Act, and in accordance  therewith files reports,  proxy  statements and
other information with the Securities and Exchange  Commission (the "SEC").  The
Common  Stock is quoted  for  trading on the Nasdaq  SmallCap  Market,  and such
reports and other  information  concerning  the Company may be  inspected at the
offices of the Nasdaq Stock Market, 1735 K Street, N.W., Washington, D.C. 20006.

         The Company has filed with the SEC a Registration Statement on Form S-3
(together  with  all  schedules,   exhibits  and  any  amendments  thereto,  the
"Registration  Statement")  under the  Securities Act with respect to the Common
Stock offered  hereby.  This  Prospectus does not contain all of the information
set forth in the Registration Statement. For further information with respect to
the  Company  and the  Common  Stock,  reference  is  made  to the  Registration
Statement.  Statements  contained in this  Prospectus  as to the contents of any
contract or other document are not necessarily complete,  and, in each instance,
reference is made to the copy of such  contract or document  filed as an exhibit
to the  Registration  Statement,  each such  statement  being  qualified  in all
respects  by  such  reference.  Copies  of  the  Registration  Statement  may be
inspected  without charge at the public reference  facilities  maintained by the
SEC at 450 Fifth Street, N.W., Judiciary Plaza, Washington,  D.C., and the SEC's
Chicago Regional Office,  500 West Madison Street,  Chicago,  Illinois;  and New
York Regional Office, 7 World Trade Center,  New York, New York.  Copies of such
material  can be obtained  from the Public  Reference  Section of the SEC at 450
Fifth Street, N.W., Judiciary Plaza, Washington, D.C. 20549 at prescribed rates.
The  Registration  Statement and such reports and other  information may also be
accessed  electronically  by means of the SEC's  site on the  World  Wide Web at
http://www.sec.gov.


                       DOCUMENTS INCORPORATED BY REFERENCE

         The  following  documents  previously  filed  with  the SEC are  hereby
incorporated by reference into this Prospectus:

          1.   The  Company's  Annual  Report  on Form  10-K for the year  ended
               December 31, 1996, as amended by Amendment No. 1 thereto on March
               31, 1997.

          2.   The Company's Quarterly Report on Form 10-Q for the quarter ended
               March 31, 1997.

          3.   The Company's Quarterly Report on Form 10-Q for the quarter ended
               June 30, 1997, as amended by Amendment No. 1 thereto on September
               5, 1997.

          4.   The Company's Quarterly Report on Form 10-Q for the quarter ended
               September  30,  1997,  as amended by  Amendment  No. 1 thereto on
               November 19, 1997.

          5.   The Company's  Proxy  Statement on Schedule 14A,  dated March 14,
               1997.

          6.   The Company's Current Report on Form 8-K, dated January 28, 1997.

          7.   The Company's Current Report on Form 8-K, dated March 18, 1997.

          8.   The Company's Current Report on Form 8-K, dated April 15, 1997.

          9.   The Company's Current Report on Form 8-K, dated May 1, 1997.

          10.  The Company's Current Report on Form 8-K, dated June 30, 1997, as
               amended by Amendment No. 1 thereto on September 5, 1997.

          11.  The Company's Current Report on Form 8-K, dated July 3, 1997.


                                       -2-

<PAGE>

          12.  The Company's Current Report on Form 8-K, dated July 23, 1997.

          13.  The Company's Current Report on Form 8-K, dated August 13, 1997.

          14.  The Company's  Current  Report on Form 8-K,  dated  September 10,
               1997.

          15.  The Company's  Current  Report on Form 8-K,  dated  September 22,
               1997.

          16.  The Company's  Current  Report on Form 8-K,  dated  September 24,
               1997.

          17.  The  Company's  Current  Report on Form 8-K,  dated  November 14,
               1997.

          18.  The Company's Current Report on Form 8-K, dated December 3, 1997.

          19.  The  description of the Common Stock of the Company  contained in
               its  Registration  Statement  under the  Exchange Act on Form 8-A
               filed on November 4, 1991.

         All  documents  subsequently  filed by the Company  pursuant to Section
13(a),  13(c),  14 or 15(d) of the Exchange Act prior to the  termination of the
offering to which this Prospectus  relates shall be deemed to be incorporated by
reference into this  Prospectus and to be part of this  Prospectus from the date
of filing thereof.

         Any statement contained in a document  incorporated by reference herein
shall be deemed to be modified or superseded for purposes of this Prospectus and
the Registration  Statement of which it is a part to the extent that a statement
contained  herein or in any other  subsequently  filed  document  which  also is
incorporated  herein  modifies or replaces  such  statement.  Any  statement  so
modified  or  superseded  shall  not be  deemed,  in  its  unmodified  form,  to
constitute a part of this Prospectus or such Registration Statement.

         Upon written or oral request,  the Company will provide  without charge
to each  person to whom a copy of this  Prospectus  is  delivered  a copy of the
documents  incorporated  by  reference  herein  (other  than  exhibits  to  such
documents  unless such  exhibits are  specifically  incorporated  by  references
therein).  Requests  should be  submitted  in writing or by  telephone  at (619)
455-2700 to Investor Relations Department, Genta Incorporated,  at the principal
executive  offices  of the  Company,  3550  General  Atomics  Court,  San Diego,
California 92121.


                                       -3-

<PAGE>

                               RECENT DEVELOPMENTS

         Since  December  31,  1996,  the Company has raised  approximately  $17
million (net of expenses) in various private placements, including approximately
$14 million (net of expenses) in a private  placement (the "Private  Placement")
on  June  30,  1997.  See  Items  6,  11 and 12 in  "Documents  Incorporated  by
Reference."


                                BUSINESS SUMMARY

         The following summary is qualified in its entirety by the more detailed
information, including "Risk Factors," appearing elsewhere in this Prospectus or
incorporated  herein  by  reference.   Except  for  the  historical  information
contained herein,  the matters discussed in this Prospectus are  forward-looking
statements that involve risks and uncertainties,  including obtaining sufficient
financing to maintain the Company's planned operations,  the timely development,
receipt of necessary regulatory  approvals and acceptances of new products,  the
successful  application  of the  Company's  and Genta Jago  Technologies  B.V.'s
("Genta Jago") 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 throughout,  and in the "Risk Factors" section of, this
Prospectus.  Actual results may differ  materially from those  projected.  These
forward-looking  statements  represent the Company's  judgment as of the date of
this Prospectus.  The Company  disclaims,  however,  any intent or obligation to
update these forward-looking statements.

OVERVIEW

         Genta  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 and a novel drug delivery  technology.  The Company's  primary research and
development  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  lymphoma  patients  for  whom  prior
therapies have failed.  The clinical trial was 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"). In addition,  through the Company's
50%-owned drug delivery joint venture with Jagotec AG ("Jagotec"), Genta Jago is
developing a number of oral  controlled-release  drugs. Using Jagotec's patented
GEOMATRIX(R) drug delivery  technology  ("GEOMATRIX"),  Genta Jago is developing
generic  versions  of  successful   brand-name   controlled-release   drugs  and
developing  controlled-release  formulations of drugs currently marketed in only
immediate  release form.  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 Company's  principal  executive offices are located at 3550 General
Atomics Court, San Diego,  California  92121. The Company's  telephone number is
(619) 455-2700.


                                       -4-

<PAGE>

SUMMARY OF BUSINESS AND RESEARCH AND DEVELOPMENT PROGRAMS

         The following  table  describes the major diseases to which the Company
is currently  directing  its research  and product  development  efforts and the
development  status of products or product  candidates  in each area, as well as
other aspects of the Company's business:

<TABLE>
<CAPTION>
      Program                          Therapeutic Indications                             Development Status
      -------                          -----------------------                             ------------------
<S>                                    <C>                                                 <C>
1.   Anticode                                                                           
                                                                                        
     G3139                             o    Impairs production of key cancer protein,      Phase I/IIa clinical trials in the  
                                            BCL2 (non-Hodgkin lymphoma, prostate           United Kingdom with respect to non- 
                                            and possibly others)                           Hodgkin lymphoma and in the U.S. with 
                                                                                           respect to prostate and possibly other 
                                                                                           advanced solid tumor malignancies 
                                                                                           (however, no patients have yet enrolled 
                                                                                           in the U.S. trials)

     Anti-FAK Oligonucleotides         o    Impairs production of key cancer protein,      Pre-clinical
                                            Focal Adhesion Kinase (melanoma,             
                                            lymphoma and multiple myeloma)               
                                                                                        
2.   Oral Controlled-Release Drugs  

     Bioequivalent Generics            o    Various                                        Abbreviated New Drug             
                                                                                           Applications ("ANDAs") may be    
                                                                                           filed for three products in 1998 
                                                                                           

3.   Biochemical Manufacturing

     Specialty Biochemicals; Intermediate                                                  $5 million in 1996 sales
     Products for biotechnology and
     pharmaceutical industries
</TABLE>

ANTICODE PROGRAMS

         Genta's Anticode  oligonucleotides,  based on what has come to be known
in the  biotechnology  industry as  "antisense"  technology,  represent a modern
approach to drug development  based upon genetic control of disease.  Many human
diseases have 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.

         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 


                                       -5-

<PAGE>


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 it  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 in these preclinical  studies when administered
as a single agent.

         In late 1995, a Phase I/IIa  clinical trial was initiated in the United
Kingdom  using  Genta's  anti-BCL2  Anticode  oligonucleotide,  G3139,  in human
non-Hodgkin lymphoma patients for whom prior therapies have failed. The clinical
trial was  conducted in  collaboration  with the Royal Marsden NHS Trust ("Royal
Marsden") and the Institute for Cancer Research under the direction of Dr. David
Cunningham.  The  principal  aim of this  Phase  I/IIa  study was to define  the
maximum tolerated dose of G3139.  Secondary  objectives  include  measurement of
clinical and biochemical disease  parameters.  To date doses have been escalated
42 fold from  initial  levels.  The Company has  completed  its trial with Royal
Marsden and believes that other than mild topical skin irritation in most of the
patients,  no serious drug  attributable or  dose-limiting  adverse effects were
seen until the maximum tolerated dose was reached.  The  dose-limiting  toxicity
for G3139 was  reversible  thrombocytopenia.  Initial  results  reported  in the
Lancet Article (as defined below)  revealed that four of nine patients  observed
had shown improvements and in one patient the tumor had completely  disappeared.
These results have been accepted for journal publications  (including an article
entitled "BCL2  antisense  therapy in patients with  non-Hodgkin  lymphoma" that
appeared  in the April 19,  1997  issue of The  Lancet  (the  "Lancet  Article")
describing  interim results of the Phase I/IIa clinical trial) and  presentation
at  peer  meetings,   including  that  of  the  American   Society  of  Clinical
Oncologists.

         In December  1997, a Phase I/IIa  clinical  trial was  initiated in the
United States at Memorial  Sloan-Kettering  Cancer Center  ("MSKCC") to evaluate
G3139, a lead compound of Genta's Anticode technology, against prostrate cancer.
The first part of this  Phase  I/IIa  study is  designed  to define the  maximum
tolerated dose or optimal biological dose with continuous  intravenous  infusion
and the  second  part is to  determine  the  efficacy  of the drug in  advanced,
androgen independent prostate  cancer.  Patient recruitment is underway at MSKCC
in New York City and enrollment is expected to proceed in the near future.

         In December  1996, the FDA granted the Company an allowance to initiate
clinical trials under an IND for the use of G3139 against non-Hodgkin  lymphoma.


                                       -6-

<PAGE>

In 1977,  the  Company  expanded  the IND to  include  the use of G3139  against
prostate cancer.  In addition,  the Company  anticipates that it may expand this
IND to  include  the use of G3139  against  other  types of  cancers,  including
melanoma,  prostate and other solid tumors. The Company has had discussions with
several cancer centers regarding additional Phase I/IIa clinical trials of G3139
under the Company's current IND and such proposed INDs. The Company is currently
discussing  protocols  and  cost-sharing  arrangements  with  such  centers  and
believes that  clinical  trials could be commenced in the first half of 1998. In
addition,  the Company has had discussions  with the National  Cancer  Institute
("NCI")  regarding  additional  Phase I and II  clinical  trials.  Assuming  the
Company agrees to move forward with such NCI sponsored  trial,  the Company will
collaborate with NCI on the design of such clinical studies and the selection of
tumor targets.  Tumors under  consideration for clinical study include malignant
melanoma,  breast, prostate and colorectal cancers. NCI would cover the costs of
running both pre-clinical and clinical  studies.  Genta would be responsible for
supplying NCI with necessary quantities of G3139 to carry out this work.

         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  pre-clinical  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.

Functional Genomics Capabilities

         The Company's  research has also led to the development of an expertise
in functional genomics, particularly in the area of target validation.

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


                                       -7-

<PAGE>

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  generic 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.

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. Three of these products,
nifedipine   (Procardia   XL(R)),   ketoprofen   (Oruvail(R)),    and   naproxen
(Naprelan(R)) are currently undergoing  manufacturing  scale-up after completion
of formulation  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 1998. Genta
Jago believes that if such  bioequivalency  studies are successfully  completed,
ANDAs may be filed with the FDA for three of its products in 1998.  In addition,
a potentially bioequivalent version of Covera-HS(R)  (verapamil)  is  undergoing
additional formulation development and pilot pharmacokinetic studies. Genta Jago
intends to proceed  with  manufacturing  scale-up on this  product  during 1998.
There can be no  assurance  that any product will be  successfully  developed or
receive the necessary  regulatory  approvals.  See "Risk Factors--Jago Notice of
Default."

MANUFACTURING/JBL

         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.  JBL  manufactures  and markets
specialty  biochemicals and intermediate  products to over 100 purchasers in the
pharmaceutical  and  diagnostic  industries.  JBL may in the  future  be able to
manufacture  commercial  grade  Anticode   oligonucleotides,   including  G3139.
However,  the  manufacturing  facilities  at JBL will also  need to be  formally
inspected by the FDA for compliance  with  requirements  for Good  Manufacturing
Practices ("GMP").  The Company is continuing to review and develop  procedures,
documentation  and facilities  for the  production of Anticode  oligonucleotides
which it believes will  adequately  comply with the necessary GMP  requirements.
The Company is currently having G3139 made on a contract  manufacturing basis by
a third party supplier.


                                       -8-

<PAGE>



To the extent Genta is able to establish its own  manufacturing  capability  for
G3139,  the  Company  should  be able to  reduce  the  cost  of  producing  such
oligonucleotides.  Failure to establish  compliance with GMP to the satisfaction
of the FDA can result in delays in establishing the Company's own  manufacturing
capability,  and  there can be no  assurance  that the  Company  will be able to
establish such manufacturing capability.


                                  RISK FACTORS

         In addition to the other information contained in this Prospectus,  the
following factors should be considered carefully by prospective investors before
purchasing the shares of Common Stock offered hereby:

         Need for  Additional  Funds.  Genta's  operations to date have consumed
substantial amounts of cash. Substantial additional sources of financing will be
required  in order for the  Company to  continue  its  planned  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  products  to market  and to  establish  production  and
marketing  capabilities.  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  pre-clinical   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.

         Subordination of Common Stock to Series A and Series D Preferred Stock;
Risk of Dilution;  Anti-dilution  Adjustments.  In the event of the liquidation,
dissolution  or  winding  up of the  Company,  the  Common  Stock  is  expressly
subordinate  to the  approximately  $27.4  million  preference  of  the  457,000
outstanding  shares of Series A  Preferred  Stock  and the  approximately  $37.4
million  preference  of 267,420  shares of Series D Preferred  Stock  (including
40,395  shares of Series D Preferred  Stock  issuable  upon  exercise of certain
warrants).  Dividends may not be paid on the Common Stock unless full cumulative
dividends  on the Series A and Series D Preferred  Stock have been paid or funds
have been set aside for such preferred dividends by the Company.

         The  conversion  rate 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 $67.50
per  share or  less.  Each  share  of  Series  A  Preferred  Stock is  presently
convertible  into  7.26  shares of Common  Stock and the  exercise  price of the
Series A Warrants is presently $9.32 per share.  There are outstanding  Series A
Warrants  to  purchase  an  aggregate  of 60,000  shares of  Common  Stock.  The
conversion  rate of the Series D Preferred  Stock and the exercise prices of the
Class D Warrants are subject to  adjustment,  among other  things,  upon certain
issuances of Common Stock or securities  convertible into Common Stock at prices
per share below certain levels. In addition,  the Conversion Price of the Series
D Preferred Stock in effect on June 29, 1998 (the "Reset Date") will be adjusted
and reset effective as of


                                       -9-

<PAGE>

the Reset Date if the average  closing bid price of the Common  Stock for the 20
consecutive  trading days  immediately  preceding  the Reset Date (the "12 Month
Trading  Price") is less than l40% of the then  applicable  Conversion  Price (a
"Reset  Event").  Upon the  occurrence  of a Reset  Event,  the then  applicable
Conversion  Price will be reduced to be equal to the greater of (i) the 12 Month
Trading Price divided by l.40,  and (ii) 25% of the then  applicable  Conversion
Price. Each share of Series D Preferred Stock is presently  convertible into 106
shares  of Common  Stock  and the  exercise  price of the  Class D  Warrants  is
presently $.94375 per share. There are 807,900 Class D Warrants  outstanding and
another 201,975 Class D Warrants issuable upon the exercise of certain warrants.
Finally,  the Company has  outstanding  warrants  to  purchase an  aggregate  of
6,357,616  shares of Common  Stock at an exercise  price of $.471875  per share,
warrants  to  purchase  an  aggregate  of 50,000  shares  of Common  Stock at an
exercise  price of $2.50 per share,  warrants to purchase an aggregate of 95,769
shares of Common Stock at various exercise prices between  approximately $13 and
$21 per share and outstanding employee stock options.

Claims of Genta's  Default  Under  Various  Agreements.  On May 7, 1997 Jago and
Jagotec gave Genta Jago formal  notices of its  assertion  that Genta Jago is in
breach  of  the  Restated   GEOMATRIX(R)   Services   Agreement,   the  Restated
GEOMATRIX(R)  Research and Development  Agreement and the Restated  GEOMATRIX(R)
License  Agreement,  stating  that  should the  breach  not be cured  within the
applicable  cure period,  Genta Jago would  reserve the right to  terminate  the
agreements in accordance with their terms. Each of these Agreements provides for
a cure  period of 30 days,  except  that if the  default is not capable of being
cured within this period and the defaulting  party is diligently  undertaking to
cure  such  default  as soon  as  commercially  feasible  thereafter  under  the
circumstances, then the non-breaching party shall have no right to terminate the
Agreement.  In addition each of these Agreements  contains a provision providing
for the final  resolution  of any  disputes,  claims or  controversies,  whether
before or after termination of the Agreement,  by arbitration in Paris,  France.
After the 30 day cure period  expired,  Jago did not take action  purporting  to
terminate  these  Agreements  but did not rescind the notices of default.  Jago,
Jagotec  and Jago  Holding  AG also  gave  formal  notice of  default  under the
Restated  Joint  Venture  and  Shareholders  Agreement,  contending  that due to
Genta's  failure to meet its funding  obligations to Genta Jago,  Genta Jago was
unable to fulfill its  obligations  to Jago. The amount claimed by Jago to be in
default is  approximately  $1.2 million,  of which $200,000  relates to 1997 and
$1.0 million relates to development costs and license fees for 1996. There is no
specific cure period  contained in the Restated  Joint Venture and  Shareholders
Agreement but rather a provision providing for resolution of disputes, claims or
controversies  by arbitration in Paris,  France.  The Company  recently met with
Jago and is attempting to resolve the situation  without resort to  arbitration.
While a termination of these  agreements  may have a material  adverse effect on
the Company,  the Company intends vigorously to oppose Jago's position.  Without
prejudice to Genta's position,  Genta provided  approximately  $129,000 to Genta
Jago for the  payment  by Genta  Jago of all  amounts  claimed by Jago under the
Restated  GEOMATRIX(R) License Agreement and certain other amounts owed by Genta
Jago to third  parties (both  included in Jago's notice of default).  On May 15,
1997, Johns Hopkins sent Genta a letter stating that the Johns Hopkins Agreement
is terminated.  See "Management's Discussion and Analysis of Financial Condition
and Results of Operations  -- Liquidity and Capital  Resources" in the Form 10-Q
for the quarterly  period ended  September  30, 1997, as amended.  In October of
1996,  Genta Europe  scaled back  operations  substantially.  See  "Management's
Discussion  and Analysis of Financial  Condition  and Results of  Operations  --
Liquidity and Capital Resources" in the Form 10-Q for the quarterly period ended
September 30, 1997, as amended.  There can be no assurance that the Company will
not incur material costs in relation to these terminations  and/or assertions of
default.

         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.  To date, a 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


                                      -10-

<PAGE>

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 pre-clinical
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 the Company's
products  currently in  pre-clinical  development,  or, if permitted,  that such
products  will be  demonstrated  to be safe  and  efficacious.  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 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.  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,  pre-clinical  testing,  clinical
trials,  manufacturing activities and development activities undertaken by Genta
Jago. From the period since its inception to September 30, 1997, the Company has
incurred a cumulative net loss of $118.6  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.   The  Company's   independent   auditors  have  included  an
explanatory  paragraph in their report to the Company's financial  statements at
December  31,  1996,  which  paragraph  expresses  substantial  doubt  as to the
Company's ability to continue as a going concern.  However, in 1997, the Company
has raised net  proceeds of  approximately  $17  million  (net of  expenses)  in
various private placements. See "Recent Developments."

         Limited Availability of Net Operating Loss Carry Forwards.  For Federal
income tax  purposes,  net  operating  loss and tax credit  carryforwards  as of
December 31, 1996 are  approximately  $61,731,000 and $9,585,000,  respectively.
These  carryforwards  will expire  beginning in 2003. The Tax Reform Act of 1986
provided  for a  limitation  on the use of net  operating  loss  and tax  credit
carryforwards following certain ownership changes. The Company believes that the
Private  Placement,  together with certain prior  issuances of  securities,  may
restrict  the  Company's  ability to utilize  its net  operating  losses and tax
credits.  Additionally,  because  U.S.  tax laws limit the time during which net
operating  loss and tax  credit  carryforwards  may be  applied  against  future
taxable income and tax liabilities,  respectively,  the Company may not be fully
able to use its net  operating  loss and tax  credits  for  federal  income  tax
purposes.

         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, Series C and Series D Preferred  Stock. The
Company  currently  intends to retain its  earnings,  if any,  after  payment of
dividends  on  outstanding  shares of Series A,  Series C and Series D Preferred
Stock, for the development of its business.


                                      -11-

<PAGE>

         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  pre-clinical 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's 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   (collectively   "Governmental
Regulations") 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.  Sampling  conducted  at the JBL  facility  revealed  the presence of
chloroform and  perchloroethylenes  ("PCEs") in the soil and groundwater at this
site.  Six soil  borings were drilled and  groundwater  wells were  installed at
several  locations  around the site.  Chloroform was detected  below  regulatory
action levels,  and PCEs were detected  slightly above regulatory action levels.
JBL has notified the appropriate regulatory agency of conditions at the site and
with the agency's approval, JBL is monitoring groundwater conditions at the site
on a  quarterly  basis.  While  current  sampling  results  indicate  that these
contaminants  are not  migrating  off-site,  there is the  potential  that these
contaminants may, in the future,  impact off-site wells, one of which is used as
a drinking water source.  The Company  believes that any costs  associated  with
further investigating or remediating this contamination will not have a material
adverse  effect  on  the  business  of the  Company,  although  there  can be no
assurance thereof.  The Company believes that it is in material  compliance with
Governmental  Regulations,  however  there can be no assurance  that the Company
will not be required  to incur  significant  costs to comply  with  Governmental
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


                                      -12-

<PAGE>

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 the Company's or Genta
Jago's trade secrets,  or that the Company or Genta Jago can effectively protect
its 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
and  Trademark  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 and Genta Jago's  strategy for the
research,   development  and   commercialization   of  their  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.  No  assurance  can  be  given  that  they  will  obtain  such
collaborative arrangements on acceptable terms, if at all, nor can any assurance
be given that any current collaborative arrangements will be maintained.

         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.

         Potential Adverse Effect of Technological  Change and Competition.  The
biotechnology   industry  is  subject  to  intense  competition  and  rapid  and
significant  technological  change.  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


                                      -13-

<PAGE>

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
pre-clinical  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.  In December of 1997, a
competitor of the Company, Elan Corporation, received approval of their ANDA for
a generic formulation of Oruvail(R)  (ketoprophen),  and another company,  Mylan
Laboratories,  Inc.,  has filed an  ANDA for a generic  formulation of Procardia
XL(R)  (nifedipine).  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  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.

         Uncertainty  of Clinical  Trials and  Results.  The results of clinical
trial and pre-clinical testing are subject to varying  interpretations.  Even if
the development of the Company's  products advances to the clinical stage, there
can be no assurance that they will prove to be safe and effective.  The products
that are successfully developed, if any, will be subject to requisite regulatory
approval prior to their  commercial sale, and the approval,  if obtainable,  may
take several years. Generally, only a very small percentage of the number of new
pharmaceutical  products  initially  developed  is  approved  for sale.  Even if
products  are approved  for sale,  there can be no  assurance  that they will be
commercially  successful.  The  Company  may  encounter  unanticipated  problems
relating to  development,  manufacturing,  distribution  and marketing,  some of
which may be beyond the Company's financial and technical capacity to solve. The
failure to address such problems adequately could have a material adverse effect
on the  Company's  business,  financial  condition,  prospects  and  results  of
operations.  No  assurance  can be given that the  Company  will  succeed in the
development  and  marketing of any new drug  products,  or that they will not be
rendered obsolete by products of competitors.

Difficult Manufacturing Process. 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,  in order to obtain  oligonucleotides
sufficient  to  meet  the  volume  and  cost  requirements  needed  for  certain
commercial  applications  of Anticode  products,  Genta  requires  raw materials
currently  provided by a single  supplier  which is itself a  development  stage
biotechnology  company  (and a  competitor  of the  Company)  and is  subject to
uncertainties  including  the  potential  for a  decision  by such  supplier  to
discontinue production of such raw materials, the insolvency of such supplier or
the  failure  of such  supplier  to  follow  applicable  regulatory  guidelines.
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


                                      -14-

<PAGE>

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 hiring and retention of key personnel and scientific staff. The
loss of 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 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.

         Fundamental Change. The Company's Restated Certificate of Incorporation
currently  provides  that upon the  occurrence  of a  "Fundamental  Change," the
holders of Series A Preferred  Stock have the option of requiring the Company to
repurchase all of each such holder's  shares of Series A Preferred  Stock at the
Redemption  Price,  an event that could result in the Company being  required to
pay to the holders of Series A Preferred  Stock cash in the aggregate  amount of
approximately $27.4 million.  Furthermore,  if the Company is required to redeem
the Series A  Preferred  Stock it would  also be  required  (subject  to certain
conditions)  to offer to redeem  the  Series D  Preferred  Stock on a pari passu
basis with the Series A Preferred Stock and with the same type of  consideration
paid in redemption of the Series A Preferred Stock;  upon a Fundamental  Change,
the Company  could be  required  to pay the holders of Series D Preferred  Stock
cash in the aggregate  amount of  approximately  $31.8 million (not including an
additional  $5.7 million that could be payable upon  redemption of 40,395 shares
of Series D  Preferred  Stock  issuable  upon  exercise  of  certain  warrants).
"Fundamental  Change" is defined  as: (i) a "person"  or "Group"  (as  defined),
together with any affiliates thereof, becoming the beneficial owner (as defined)
of Voting Shares (as defined) of the Company  entitled to exercise more than 60%
of the total  voting  power of all  outstanding  Voting  Shares  of the  Company
(including any Voting Shares that are not then  outstanding of which such person
or Group is deemed the beneficial owner) (subject to certain  exceptions);  (ii)
any  consolidation of the Company with, or merger of the Company into, any other
person,  any merger of another  person into the Company,  or any sale,  lease or
transfer  of all or  substantially  all of the assets of the  Company to another
person  (subject  to  certain  exceptions);  (iii) the sale,  transfer  or other
disposition  (or the entry into a  commitment  to sell,  transfer  or  otherwise
dispose) of all of any portion of the shares


                                      -15-

<PAGE>

of Genta Jago held at any time by the Company (or the imposition of any material
lien on such shares which lien is not removed within 30 days of imposition)  and
the sale (or functional equivalent of a sale) of all or substantially all of the
assets of Genta  Jago or (iv) the  substantial  reduction  or  elimination  of a
public  market for the Common Stock as the result of  repurchases,  delisting or
deregistration   of  the   Common   Stock   or   corporate   reorganization   or
recapitalization undertaken by 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 "Risk Factors--No Assurance of Regulatory Approval;  Government
Regulation" for a discussion of the Spill.

         Volatility of Stock Price; Market Overhang from Outstanding Convertible
Securities and Warrants.  The market price of the Company's  Common Stock,  like
that of the common  stock of many other  biopharmaceutical  companies,  has been
highly  volatile  and may be so in the  future.  Factors  such as,  among  other
things, the results of pre-clinical  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.  At  the  Company's   Annual  Meeting  of
Stockholders  held on April 4, 1997, the  stockholders  approved an amendment to
the Company's  Restated  Certificate  of  Incorporation  effecting a one-for-ten
reverse  stock  split of its Common  Stock.  The  stockholders  also  approved a
reduction of the Company's authorized shares of Common Stock from 150,000,000 to
70,000,000.  The Company  commenced trading on a post reverse split basis at the
commencement  of trading on April 7, 1997. As of December 31, 1997,  the Company
had  5,697,067  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.

         No  predictions  can be made of the effect that future  market sales of
the shares of Common Stock  underlying the  convertible  securities and warrants
referred to under the caption  "Risk  Factors--Subordination  of Common Stock to
Series  A  and  Series  D  Preferred  Stock;  Risk  of  Dilution;  Anti-dilution
Adjustments,"  or the availability of such securities for sale, will have on the
market  price  of the  Common  Stock  prevailing  from  time to  time.  Sales of
substantial  amounts of Common Stock,  or the  perception  that such sales might
occur, could adversely affect prevailing market prices.

         Certain  Interlocking  Relationships;  Potential Conflicts of Interest.
The Aries Trust, a Cayman Islands  trust,  and the Aries Domestic Fund,  L.P., a
Delaware  limited  partnership  (collectively,  the  "Aries  Funds"),  have  the
contractual right to appoint a majority of the members of the Board of Directors
of the Company.  The Aries Funds have appointed Michael S. Weiss to the Board of
Directors.  David R.  Walner,  the  Secretary  of the  Company,  is an Associate
Director and Secretary of Paramount Capital Asset


                                      -16-

<PAGE>

Management, Inc. ("PCAM"). PCAM is the investment manager and general partner of
The Aries Trust and the Aries Domestic Fund, L.P., respectively. The Aries Funds
currently do not hold a controlling  block of voting  stock,  although the Aries
Funds have the present  right to appoint a majority  of the Board of  Directors,
and to convert and exercise their  securities into a significant  portion of the
outstanding  Common  Stock.  See "Risk  Factors--Concentration  of Ownership and
Control"  below.  In addition to the Aries Funds'  investments in, and loans to,
the Company  that are  disclosed in the  exhibits  hereto,  the Aries Funds also
engaged in the  following  transactions:  on December  2, 1997,  the Aries Funds
purchased an aggregate of 54,000 shares of Series A Preferred Stock; on December
29,  1997,  warrants  to  purchase  an  aggregate  of 1,000  shares  of Series D
Preferred  Stock and 5,000 Class D Warrants were allocated to the Aries Funds by
Paramount  Capital,  Inc.,  which warrants were received in connection  with the
Private  Placement;  and on December 31,  1997,  the Aries Funds  converted  the
outstanding  principal  of, and  interest on, their  respective  Senior  Secured
Convertible  Bridge Notes of the Company  into an aggregate of 52,445  shares of
Series D Preferred  Stock.  Dr.  Lindsay A.  Rosenwald,  the  President and sole
stockholder of PCAM, is also the President of Paramount Capital Investments LLC,
a New  York-based  merchant  banking and venture  capital firm  specializing  in
biotechnology  companies  ("PCI").  In the regular  course of its business,  PCI
identifies,  evaluates and pursues  investment  opportunities  in biomedical and
pharmaceutical  products,   technologies  and  companies.   Generally,  Delaware
corporate law requires that any transactions  between the Company and any of its
affiliates  be on  terms  that,  when  taken as a whole,  are  substantially  as
favorable to the Company as those then  reasonably  obtainable from a person who
is not an affiliate in an arms-length  transaction.  Nevertheless,  neither such
affiliates nor PCI is obligated  pursuant to any agreement or understanding with
the Company to make any  additional  products or  technologies  available to the
Company,  nor can there be any  assurance,  and the Company  does not expect and
purchasers  of the  securities  offered  hereby  should  not  expect,  that  any
biomedical or pharmaceutical product or technology identified by such affiliates
or PCI in the future will be made available to the Company. In addition, certain
of the current  officers and directors of the Company or certain of any officers
or directors of the Company  hereafter  appointed may from time to time serve as
officers or directors of other  biopharmaceutical  or  biotechnology  companies.
There can be no assurance  that such other  companies will not have interests in
conflict with those of the Company.

         Concentration  of  Ownership  and  Control.  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.   See   "Risk    Factors--Certain    Interlocking
Relationships;  Potential Conflicts of Interest."  Accordingly,  the Aries Funds
have the  ability  to exert  significant  influence  over  the  election  of the
Company's  Board of  Directors  and other  matters  submitted  to the  Company's
stockholders  for approval.  These  arrangements  may  discourage or prevent any
proposed takeover of the Company,  including  transactions in which stockholders
might otherwise  receive a premium for their shares over the then current market
prices. Such stockholders may influence corporate actions, including influencing
elections  of  directors  and  significant  corporate  events.  See also,  "Risk
Factors--Effect of Certain Anti-Takeover Provisions" below.

         Effect of Certain  Anti-Takeover  Provisions.  The  Company's  Restated
Certificate  of  Incorporation   and  By-laws  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.  Additionally,  the Company has
contractual  obligations  to certain of its  security  holders  which may impair
potential  takeovers.  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


                                      -17-

<PAGE>

rights plan was  amended to permit the  consummation  of the $3 million  private
placement in February 1997 and the Private Placement in June 1997.

         Risks of Low-Priced  Stock;  Possible  Effect of "Penny Stock" Rules on
Liquidity for the Company's  Securities.  If the Company's  securities  were not
listed on a national  securities  exchange  nor listed on a qualified  automated
quotation system,  they may become subject to Rule 15g-9 under the Exchange Act,
which imposes additional sales practice requirements on broker-dealers that sell
such  securities to persons  other than  established  customers and  "accredited
investors"  (generally,  individuals with a net worth in excess of $1,000,000 or
annual incomes exceeding $200,000 or $300,000 together with their spouses).  For
transactions  covered  by  Rule  15g-9,  a  broker-dealer  must  make a  special
suitability  determination  for the purchaser and have received the  purchaser's
written consent to the transaction  prior to sale.  Consequently,  such Rule may
affect the ability of  broker-dealers  to sell the Company's  securities and may
affect the ability of purchasers to sell any of the Company's  securities in the
secondary market.

         The SEC has adopted  regulations  that define a "penny stock" to be any
equity security that has a market price (as therein  defined) of less than $5.00
per share or with an  exercise  price of less than $5.00 per  share,  subject to
certain exceptions.  For any transaction involving a penny stock, unless exempt,
the rules require  delivery,  prior to any  transaction  in a penny stock,  of a
disclosure  schedule  prepared by the SEC  relating  to the penny stock  market.
Disclosure is also required to be made about sales  commissions  payable to both
the broker-dealer and the registered  representative  and current quotations for
the securities.  Finally,  monthly statements are required to be sent disclosing
recent price information for the penny stock held in the account and information
on the limited market in penny stock.

         The foregoing  required penny stock  restrictions will not apply to the
Company's securities if the Company meets certain minimum net tangible assets or
average  revenue  criteria.  There  can  be  no  assurance  that  the  Company's
securities will qualify for exemption from the penny stock restrictions.  In any
event, even if the Company's securities were exempt from such restrictions,  the
Company  would remain  subject to Section  15(b)(6) of the Exchange  Act,  which
gives the SEC the  authority  to  restrict  any person from  participating  in a
distribution of penny stock,  if the SEC finds that such a restriction  would be
in the public interest.

         If the Company's  securities were subject to the rules on penny stocks,
the market liquidity for the Company's  securities could be materially adversely
affected.


                                 USE OF PROCEEDS

         The Company will not receive any of the  proceeds  from the sale of the
Registered  Shares.  Upon  issuance  to the Selling  Stockholders  of all of the
Common Stock underlying the Class D Warrants,  the Initial Warrants and the Line
of Credit Warrants,  the Company could receive aggregate  proceeds of $3,887,296
(assuming per share exercise prices,  which are subject to adjustment in certain
circumstances,  of $.94375  for the Class D Warrants,  $.471875  for the Initial
Warrants and $2.50 for the Line of Credit Warrants).


                                  CAPITAL STOCK

         The authorized  capital stock of Genta consists of 70,000,000 shares of
Common Stock,  $.001 par value, and 5,000,000  shares of preferred stock,  $.001
par value.


                                      -18-

<PAGE>

         As of December 31, 1997,  there were 5,697,067  shares of Common Stock,
457,100  shares  of Series A  Preferred  Stock  and  227,025  shares of Series D
Preferred  Stock  outstanding.  The holders of Common  Stock are entitled to one
vote for each share  held of record on all  matters  submitted  to a vote of the
stockholders. Genta's Restated Certificate of Incorporation does not provide for
cumulative  voting.  Subject to  preferences  that may be applicable to any then
outstanding  preferred  stock,  holders of Common  Stock are entitled to receive
ratably such dividends as may be declared by the Board of Directors out of funds
legally  available  therefor.  The Company does not  anticipate  paying any cash
dividends  on its  Common  Stock in the  foreseeable  future.  In the event of a
liquidation,  dissolution  or winding up of Genta,  holders of Common  Stock are
entitled to share ratably in all assets  remaining  after payment of liabilities
and the liquidation  preference of any then outstanding preferred stock. Holders
of Common Stock have no  preemptive  rights and no right to convert their Common
Stock  into any  other  securities.  There are no  redemption  or  sinking  fund
provisions  applicable to the Common  Stock.  All  outstanding  shares of Common
Stock are fully paid and nonassessable.

         The shares of Series D Preferred Stock are  convertible  into shares of
Common Stock at a Conversion Price of $.94375 on the date hereof. The Conversion
Price is subject to adjustment  upon the occurrence of certain  events,  such as
below market or Conversion Price issuances or stock dividends or stock splits of
the Common Stock. In addition,  the Conversion  Price in effect on June 29, 1998
(the "Reset Date") will be adjusted and reset  effective as of the Reset Date if
the average closing bid price of the Common Stock for the 20 consecutive trading
days immediately preceding the Reset Date (the "12 Month Trading Price") is less
than 140% of the then applicable  Conversion  Price (a "Reset Event").  Upon the
occurrence  of a Reset  Event,  the then  applicable  Conversion  Price  will be
reduced to be equal to the greater of (i) the 12 Month  Trading Price divided by
1.40,  and (ii) 25% of the then  applicable  Conversion  Price.  The  29,998,511
Contingent Shares included in the Registered Shares assumes the Conversion Price
is reduced to $.3429.


                                      -19-

<PAGE>

                            INCOME TAX CONSIDERATIONS

         Each  prospective  purchaser  should consult his or her own tax advisor
with respect to the income tax issues and  consequences of holding and disposing
of the Common Stock.


                              SELLING STOCKHOLDERS

         The Registered  Shares are being  registered  pursuant to  registration
rights granted to the Selling Stockholders.  As of September 9, 1997, there were
172 Selling  Stockholders.  Common Stock  ownership  information is based solely
upon either  information  furnished  to the Company or reports  furnished to the
Company by the respective  individuals or entities, as the case may be, pursuant
to the rules of the SEC.

         The following  table sets forth as of September 9, 1997 (i) the name of
each Selling Stockholder,  (ii) the number of shares of Common Stock owned by or
issuable to such holder upon  conversion or exercise of  outstanding  securities
(excluding  the  Contingent  Shares),  (iii)  the  number of  Contingent  Shares
issuable under certain  circumstances after June 29, 1998 (see "Capital Stock"),
(iv) the number of shares of Common  Stock  eligible to be sold by each  Selling
Stockholder  and (v) the number and  percentage  of shares of Common Stock to be
owned by each such holder following the completion of this offering.  The number
of shares  of  Common  Stock  set  forth in (iv)  above,  and under the  caption
"Registered Shares Eligible to be Sold as of September 9, 1997" below represents
the aggregate  number of shares of (A) Common Stock issuable upon  conversion of
the Series D Preferred Stock owned by each Selling Stockholder, (B) Common Stock
issuable  upon  exercise of the Class D Warrants,  the Initial  Warrants and the
Line of Credit  Warrants and (C) Common Stock  issuable in  connection  with the
Consulting Agreements (assuming for (A) and (B) the present  conversion/exercise
rates under the terms of the Series D Preferred Stock, the Class D Warrants, the
Initial Warrants and the Line of Credit Warrants, respectively), in each case as
of September 9, 1997.  Except as noted below,  none of the Selling  Stockholders
named in the  following  table has had any  position,  office or other  material
relationship  with the  Company or any of its  affiliates  within the past three
years.


                                      -20-

<PAGE>

<TABLE>
<CAPTION>
                                   Shares of Common          
                              Stock (Excluding Contingent    
                               Shares) Held or Issuable      
                                Upon Conversion of the       
                              Series D Preferred Stock or    
                                Exercise of the Class D       Contingent Shares
                             Warrants, the Initial Warrants     Issuable Upon      Registered Shares     Shares of
                             or the Line of Credit Warrants,   Conversion of      Eligible to be Sold  Common Stock    % of Common
                                   in each case as of             Series D               as of          To Be Held     Stock To Be
Name                               January 21, 1998           Preferred Stock      January 21, 1998    After Sale    Held After Sale
- ----                              -------------------         ---------------      -----------------    -----------  ---------------
                                                           
<S>                                       <C>                <C>                  <C>                    <C>              <C>
Abeshouse, Mark(5)                             3,496                9,346                3,496                 0            *

Ain, Ross D.                                  22,192               62,576               22,192                 0            *

Altschul Investment Group                    110,960              312,881              110,960                 0            *

Altschuler, Robert                            27,740               78,220               27,740                 0            *

Aries Domestic Fund, L.P.(1)               5,053,220            6,815,815            5,025,770            27,450            *

Armen Offshore Fund                          110,960              312,881              110,960                 0            *

Armen Partners L.P.                          277,401              782,202              277,401                 0            *

Arterio, Inc.                                 55,480              156,441               55,480                 0            *

Banque SCS Alliance SA                       221,921              625,761              221,921                 0            *

Barness, Amnon & Caren                        55,480              156,441               55,480                 0            *

Bedzow, Benjamin                              11,096               31,288               11,096                 0            *

Benjamin Jesselson 4/8/71 Trust              221,921              625,761              221,921                 0            *

Bercuvitz, Mark                              388,361            1,095,083              388,361                 0            *

Bluestone Capital Partners(6)                  3,467                9,268                3,467                 0            *

Brady, James W.                               11,096               31,288               11,096                 0            *

Brapo Associates                              27,740               78,220               27,740                 0            *

Broy, Anthony                                 55,480              156,441               55,480                 0            *

BRT Partnership by Solomon A.                166,440              469,322              166,440                 0            *
Weisgal Trustee/Partner

Burgess, Helene                               55,480              156,441               55,480                 0            *

Carlos Plancarte G.N. Leonor &                33,288               93,864               33,288                 0            *
P. De Maravan

Cass & Co. - Magnum Capital                  110,960              312,881              110,960                 0            *
Growth Fund

Cerrone, Gabriel                              55,480              156,441               55,480                 0            *

Chasanoff, Ted                                13,870               39,110               13,870                 0            *

Comox Co. Ltd                                110,960              312,881              110,960                 0            *

Conrads, Robert J.                            83,220              234,661               83,220                 0            *

Cooperative Holding Corporation               27,740               78,220               27,740                 0            *

Cox, Jr., Archibald                          166,440              469,322              166,440                 0            *

Davis, Mort                                   27,740               78,220               27,740                 0            *

Dee, John F. (2)                              27,740               78,220               27,740                 0            *

de Ramirez, Elke R.                           11,096               31,288               11,096                 0            *

Diamond, Nathan P. & Lauren S.                27,740               78,220               27,740                 0            *

DiFalco, Nicholas                             55,480              156,441               55,480                 0            *


                                      -21-

<PAGE>


                                   Shares of Common          
                              Stock (Excluding Contingent    
                               Shares) Held or Issuable      
                                Upon Conversion of the       
                              Series D Preferred Stock or    
                                Exercise of the Class D       Contingent Shares
                             Warrants, the Initial Warrants     Issuable Upon      Registered Shares     Shares of
                             or the Line of Credit Warrants,   Conversion of      Eligible to be Sold  Common Stock    % of Common
                                   in each case as of             Series D               as of          To Be Held     Stock To Be
Name                               January 21, 1998           Preferred Stock      January 21, 1998    After Sale   Held After Sale
- ----                              -------------------         ---------------      -----------------    -----------  ---------------

Diversified Fund, Ltd.                       554,801            1,564,404              554,801                 0            *

Domaco Venture Capital Fund                   27,740               78,220               27,740                 0            *

Drax Holdings, LP                            277,401              784,202              277,401                 0            *

Edelman, Joe(4)                               20,921               55,928               20,921                 0            *

Erica Jesselson 1994 CLAT                    221,921              625,761              221,921                 0            *

Erica Jesselson 6/2/89 Trust                 443,841            1,251,523              443,841                 0            *

Faisal Finance (Switzerland) S.A.            221,921              625,761              221,921                 0            *

Falk, Robert I.                              110,960              312,881              110,960                 0            *

Farber, S. Edmond(6)                          31,207               83,426               31,207                 0            *

Fatoullah, Elliot L.                          13,870               39,110               13,870                 0            *

Ronald A. Fatoullah Profit                    13,870               39,110               13,870                 0            *
Sharing Plan, Cowen & Co.
Custodian

Feshbach, Joseph                              55,480              156,441               55,480                 0            *

Finkelstein, Jerry                            55,480              156,441               55,480                 0            *

Fishbane, Jordan                              16,664               46,932               16,664                 0            *

Florin, Marc(4)                               19,973               53,394               19,973                 0            *

Fried, Jr., Albert                           110,960              312,881              110,960                 0            *

Frolich, Craig                                27,740               78,220               27,740                 0            *

Frolich, Gerald & Gloria                      27,740               78,220               27,740                 0            *

Gala Trading Corp.                            27,740               78,220               27,740                 0            *

GHA Management Corporation                   110,960              312,881              110,960                 0            *

Giamanco, Joseph                              55,480              156,441               55,480                 0            *

Gibralt Holdings Ltd.                        110,960              312,881              110,960                 0            *

Gittis, Howard                               110,960              312,881              110,960                 0            *

Goldstein, Gilbert                            27,740               78,220               27,740                 0            *

H. Gittis Irrevocable Trust UIT               27,740               78,220               27,740                 0            *
12/23/88, Gilbert Goldstein,
Trustee

Goodman, Frank                                11,096               31,288               11,096                 0            *

Gordon, Michael                               13,870               39,110               13,870                 0            *

Gross, John S.                                13,870               39,110               13,870                 0            *

Gross, Martin                                 27,740               78,220               27,740                 0            *

Hambly, David C.                              11,096               31,288               11,096                 0            *

Highcloud Investment Corp.                   110,960              312,881              110,960                 0            *

Hight, Norton F.                              27,740               78,220               27,740                 0


                                      -22-

<PAGE>

                                   Shares of Common          
                              Stock (Excluding Contingent    
                               Shares) Held or Issuable      
                                Upon Conversion of the       
                              Series D Preferred Stock or    
                                Exercise of the Class D       Contingent Shares
                             Warrants, the Initial Warrants     Issuable Upon      Registered Shares     Shares of
                             or the Line of Credit Warrants,   Conversion of      Eligible to be Sold  Common Stock    % of Common
                                   in each case as of             Series D               as of          To Be Held     Stock To Be
Name                               January 21, 1998           Preferred Stock      January 21, 1998    After Sale   Held After Sale
- ----                              -------------------         ---------------      -----------------    -----------  ---------------

Hikari Power                                 110,960              312,881              110,960              0              *

Horowitz Family Trust, Richard                27,740               78,220               27,740              0              *
M. Horowitz, Trustee

Ivan Kaufman Grantor Retained                221,921              625,761              221,921              0              *
Annuity Trust

Jackson Hole Investments                     110,960              312,881              110,960              0              *
Acquisition, L.P.

Jensen, Peter L.                              27,740               78,220               27,740              0              *

J.F. Shea & Co., Inc. as                     332,881              938,642              332,881              0              *
Nominee 1997-32

Kane, Patrick M.                              27,740               78,220               27,740              0              *

Kash, Peter(4)                               216,733              579,393              216,733              0              *

Katzmann, Scott(4)                            97,978              261,925              97,978               0              *

Kendall, Jr., Donald R.                       83,220              234,661               83,220              0              *

Kessel, Lawrence & Shirley                    27,740               78,220               27,740              0              *

Keys Foundation                              277,401              782,202              277,401              0              *

Klein, Robert & Gluck, Myriam                 55,480              156,411               55,480              0              *

Knox, John(4)                                  4,162               11,126                4,162              0              *

Koch, David H.                               110,960              312,881              110,960              0              *

Koppelman, Scott & Amy                        27,740               78,220               27,740              0              *

Kotel, Ira L.                                 27,740               78,220               27,740              0              *

Kratchman, Martin(4)                          38,836              103,820               38,836              0              *

L & D Partnership                             27,740               78,220               27,740              0              *

Lazar, Ronald(6)                               3,467                9,268                3,467              0              *

Laura Gold Galleries Ltd. Profit              27,740               78,220               27,740              0              *
Sharing Trust

Ronald M. Lazar IRA, Cowen &                  27,740               78,220               27,740              0              *
Co. Custodian

Lenchner, Gregory & Domenica                  27,740               78,220               27,740              0              *

Levine, Jeff(4)                               11,096               29,663               11,096              0              *

Levitin, Eli                                 110,960              312,881              110,960              0              *

LGT Bank in Liechtenstein AG                 110,960              312,881              110,960              0              *

Lieberman, Henry N.                           27,740               78,220               27,740              0              *

Loeb Jr., John L.                             27,740               78,220               27,740              0              *

Lorch, Ronald & Karen                         27,740               78,220               27,740              0              *

Lydon, Jr., Harris R. L.                      27,740               78,220               27,740              0              *

Maeda, Susumu                                110,960              312,881              110,960              0              *

Managed Risk Trading, L.P.                   110,960              312,881              110,960              0              *

Manus, Mark J.                                27,740               78,220               27,740              0              *

Masada I Limited Partnership                  55,480              156,441               55,480              0              *

McInerney, Tim(4)                             91,182              243,757               91,182              0              *

McNiff, John P.                               55,480              156,441               55,480              0              *


                                      -23-

<PAGE>

                                   Shares of Common          
                              Stock (Excluding Contingent    
                               Shares) Held or Issuable      
                                Upon Conversion of the       
                              Series D Preferred Stock or    
                                Exercise of the Class D       Contingent Shares
                             Warrants, the Initial Warrants     Issuable Upon      Registered Shares     Shares of
                             or the Line of Credit Warrants,   Conversion of      Eligible to be Sold  Common Stock    % of Common
                                   in each case as of             Series D               as of          To Be Held     Stock To Be
Name                               January 21, 1998            Preferred Stock      January 21, 1998    After Sale   Held After Sale
- ----                              -------------------         ---------------      -----------------    -----------  ---------------

MDBC Capital Corp.                            55,480             156,441              55,480             0             *

Michael G. Jesselson 4/8/71 Trust            221,921             625,761             221,921             0             *

Wolfe Model IRA, Cowen & Co.                  13,870              39,110              13,870             0             *
Custodian

Moonlight International Ltd.                 277,401               782,202              277,401            0            *

M.S.B. Research Inc.                          55,480               156,441               55,480

Nagle, Arthur J.                              27,740                78,220               27,740            0            *

John G. Nardi IRA, Morgan                     22,192                62,576               22,192            0            *
Stanley Custodian

Natiello, Joseph A.                          110,960               312,881              110,960            0            *

Negrin, Renato                               110,960               312,881              110,960            0            *

Netter, Drew M. & Carin S.                    27,740                78,220               27,740            0            *

Nikki Establishment for Fashion               55,480               156,441               55,480            0            *
and Market Research

Novick, Samuel & Esta                        110,960               312,881              110,960            0            *

NU Twins, LLC                                110,960               312,881              110,960            0            *

Olivera, Steven M. & Bernadette              166,440               469,322              166,440            0            *

Omicron Investment Corporation                55,480               156,441               55,480            0            *

Ostrovsky, Paul D. & Rebecca L.               24,411                68,834               24,411            0            *

Ostrovsky, Steven N.                          83,220               234,661               83,220            0            *

Oxcal Venture Fund, L.P.                     110,960               312,881              110,960            0            *

Oyler, John V. (2)                            23,302                65,705               23,302            0            *

Palmetto Partners, Ltd.                      221,921               625,761              221,921            0            *

Paramount Capital, Inc.(1)                 4,482,240            12,840,795            4,482,240            0            *

Peterson, William & Catherine                 27,740                78,220               27,740            0            *

Polak, Anthony G.(6)                          17,337                46,347               17,337            0            *

Anthony G.Polak IRA, Cowen &                  27,740                78,220               27,740            0            *
Co. Custodian

Jack Polak Profit Sharing Plan,               27,740                78,220               27,740            0            *
Cowen & Co. Custodian

Pomper, Catherine M.                          55,480               156,441               55,480            0            *

Ponzio, Nicholas                              55,480               156,441               55,480            0            *

Porter Partners, LP                          166,440               469,322              166,440            0            *

Prager, Tis                                  110,960               312,881              110,960            0            *


                                      -24-

<PAGE>

                                   Shares of Common          
                              Stock (Excluding Contingent    
                               Shares) Held or Issuable      
                                Upon Conversion of the       
                              Series D Preferred Stock or    
                                Exercise of the Class D       Contingent Shares
                             Warrants, the Initial Warrants     Issuable Upon      Registered Shares     Shares of
                             or the Line of Credit Warrants,   Conversion of      Eligible to be Sold  Common Stock    % of Common
                                   in each case as of             Series D               as of          To Be Held     Stock To Be
Name                               January 21, 1998           Preferred Stock      January 21, 1998     After Sale   Held After Sale
- ----                              -------------------         ---------------      -----------------    -----------  ---------------

Reliance Insurance Company                 1,109,603             3,128,808            1,109,603                 0            *

Charles Re Profit Sharing Plan,               13,870                39,110               13,870                 0            *
Cowen & Co. Custodian

RHL Associates L.P.                           55,480               156,441               55,480                 0            *

Rick Steiner Productions Inc.                 33,288                93,864               33,288                 0            *

RL Capital Partners                           55,480               156,441               55,480                 0            *

Rosenwald, Lindsay A. (1)(4)               2,866,393             7,662,732            2,866,393                 0            *

Rothschild, Jonathan                          55,480               156,441               55,480                 0            *

Rubin, Wayne L.(4)                           130,213               348,099              130,213                 0            *

Ruggeberg, Karl(4)                            23,967                64,071               23,967                 0            *

Ruttenberg, David W.                          27,740                78,220               27,740                 0            *

Schaefer, Rowland                            110,960               312,881              110,960                 0            *

Schonzeit, Andrew W.                          55,480               156,441               55,480                 0            *

Schubach, Clark                               55,480               156,441               55,480                 0            *

Selz, Bernard                                277,401               782,202              277,401                 0            *

Shaw, H.L. & D.M.                             55,480               156,441               55,480                 0            *

Simon, Ronald I.                              13,870                39,110               13,870                 0            *

Sirotkin, Martin                              55,480               156,441               55,480                 0            *

Slovin, Bruce                                166,440               469,322              166,440                 0            *

Smith, Richard A.                             55,480               156,441               55,480                 0            *

Solomon, Deborah(4)                           13,038                34,855               13,038                 0            *

Sovereign Partners L.P.                      221,921               625,761              221,921                 0            *

Sparx Asset Management(6)                     24,966                66,742               24,966                 0            *

Sternheim, Howard & Sharon                    27,740                78,220               27,740                 0            *

Stevens-Knox & Associates, Inc.               55,480               156,441               55,480                 0            *

Strassman, Joseph & Barbara                  110,960               312,881              110,960                 0            *

Strassman, Richard(4)                         13,038                34,855               13,038                 0            *

Strauss, Gary J.                              27,740                78,220               27,740                 0            *

Suan Investments Inc.                        110,960               312,881              110,960                 0            *

Superius Securities Group, Inc.,             110,960               312,881              110,960                 0            *
Money Purchase Plan, Inc.

Tarica, Michele                               13,870                39,110               13,870                 0            *

Tarragona Fund Inc.                          277,401               782,202              277,401                 0            *

Tauber, Herman                               221,921               625,761              221,921                 0            *

Taub, Hindy H.                                55,480               156,441               55,480                 0            *

Teitelbaum, Myron M.                          83,220               234,661               83,220                 0            *

The Alfred J. Anzalone Family                 55,480               156,441               55,480                              *
Limited Partnership


                                      -25-

<PAGE>

                                   Shares of Common          
                              Stock (Excluding Contingent    
                               Shares) Held or Issuable      
                                Upon Conversion of the       
                              Series D Preferred Stock or    
                                Exercise of the Class D       Contingent Shares
                             Warrants, the Initial Warrants     Issuable Upon      Registered Shares     Shares of
                             or the Line of Credit Warrants,   Conversion of      Eligible to be Sold  Common Stock    % of Common
                                   in each case as of             Series D               as of          To Be Held     Stock To Be
Name                               January 21, 1998           Preferred Stock      January 21, 1998    After Sale   Held After Sale
- ----                              -------------------         ---------------      -----------------    -----------  ---------------

The Aries Trust(1)                         9,416,276            12,657,942            9,352,226            64,050            *

The Century Trust, David &                    55,480               156,441               55,480                 0            *
Susan Wilstein,
Trustees

The Jerusalem Fund, Inc.                      27,740                78,220               27,740                 0            *

Trustee for The Osterweis                     27,740                78,220               27,740                 0            *
Revocable Trust U/A/ dated
9/13/93, John S. Osterweis

Toll, Bruce E.                                55,480               156,441               55,480                 0            *

Ts'o, Paul O.P.(3)                                 0                                                                         *

Tuppatsch, Raymond                            55,480               156,441                55,480

United Congregation Mesora                 1,109,603             3,128,808             1,109,603             0             *

Valori Associates Inc.                        27,740                78,220                27,740             0             *

Walko, Mark & Lombardi,                       27,740                78,220                27,740             0             *
Blanche

Walner, David R. (1)(4)                      102,358               273,634               102,358             0             *

Warwinick Investments Ltd.                   110,960               312,881               110,960             0             *

Webster, Sharon B.(3)                              0                                                                       *

Weiss, Branco                                554,801             1,564,404               554,801

Weiss, Melvyn                                277,401               782,202               277,401             0             *

Weiss, Michael S.(1)(4)                      148,327               396,523               148,327             0             *

Whetten, Robert J.                            83,220               234,661                83,220             0             *

Wise, Alan & Teri                             27,740                78,220                27,740             0             *

Wolfson, Aaron                                83,220               234,661                83,220             0             *

Wolfson, Abraham                              55,480               156,441                55,480             0             *

Wolf, David A.                                27,740                78,220                27,740             0             *

Yamazaki, Yoshimasa                          110,960               312,881               110,960             0             *

Youner, Lauren(4)                             31,738                84,845                31,738             0              *

Zapco Holdings, Inc. Deferred                 55,480               156,441                55,480             0             *
Compensation Plan Trust


                                      -26-

<PAGE>

                                   Shares of Common          
                              Stock (Excluding Contingent    
                               Shares) Held or Issuable      
                                Upon Conversion of the       
                              Series D Preferred Stock or    
                                Exercise of the Class D       Contingent Shares
                             Warrants, the Initial Warrants     Issuable Upon      Registered Shares     Shares of
                             or the Line of Credit Warrants,   Conversion of      Eligible to be Sold  Common Stock    % of Common
                                   in each case as of             Series D               as of          To Be Held     Stock To Be
Name                               January 21, 1998           Preferred Stock      January 21, 1998     After Sale   Held After Sale
- ----                              -------------------         ---------------      -----------------    -----------  ---------------

Zeff, Kal                                    221,921               625,761               221,921             0             *

Zucker, Uzi                                  110,960               312,881               110,960             0             *
</TABLE>


- --------------------

*    Less than one percent

(1)  Paramount Capital Asset Management, Inc. ("PCAM") is the investment manager
     of The Aries Trust and the general partner of the Aries Domestic Fund, L.P.
     Dr.  Lindsay  Rosenwald,  the President and Chairman of Paramount  Capital,
     Inc., a Delaware corporation  ("Paramount"),  is the President and Chairman
     of PCAM and may be deemed the beneficial owner of the voting  securities of
     the Company owned by The Aries Funds and Paramount. Paramount served as the
     placement agent for the Company's June 1997 Private  Placement.  Michael S.
     Weiss,  Vice  Chairman and Director of the  Company,  is a Senior  Managing
     Director of Paramount. David R. Walner, the Secretary of the Company, is an
     Associate Director of Paramount and Secretary of PCAM. The Aries Funds have
     the contractual  right to appoint a majority of the members of the Board of
     Directors of the Company.

(2)  John F. Dee and John V. Oyler served as the  Company's  interim  management
     team from May 6, 1997 until September 30, 1997.

(3)  Paul O.P.  Ts'o and Sharon B. Webster  resigned as directors of the Company
     on September 11, 1997.

(4)  Employees, salespersons or other affiliates of Paramount.

(5)  Formerly employed by, and/or associated with, Paramount.

(6)  Is  associated  with,  or  acted  as,  a  selected  dealer  in the  Private
     Placement.


<PAGE>

                              PLAN OF DISTRIBUTION

         Pursuant to this Registration  Statement,  the Registered Shares may be
sold by the  Selling  Stockholders  from time to time  while  this  Registration
Statement  is  effective  in the  over-the-counter  market at  prices  and terms
prevailing  at the time of  sale,  in  privately  negotiated  transactions  or a
combination  of these  methods,  without  notice to the  Company.  Although  the
Selling  Stockholders have not advised the Company that they currently intend to
sell any of the Registered Shares, pursuant to this Registration Statement,  the
Selling  Stockholders  may  choose  to sell all or a portion  of the  Registered
Shares  from  time to time  in the  manner  described  herein.  There  can be no
assurance  that  any of the  Selling  Stockholders  will  sell any or all of the
Registered  Shares  eligible  to be sold by  them.  The  methods  by  which  the
Registered Shares may be sold by the Selling  Stockholders in one or more of the
following  transactions  may  include:  (a) block  trades in which the broker or
dealer so engaged will attempt to sell the  securities as agent but may position
and resell a portion of the block as principal to  facilitate  the  transaction,
(b)  purchases by a broker or dealer as  principal  and resale by such broker or
dealer  for its  account  pursuant  to  this  Prospectus,  (c)  over-the-counter
distributions  in accordance with the rules of the Nasdaq SmallCap  Market,  (d)
ordinary brokerage  transactions in which the broker solicits purchasers and (e)
privately  negotiated  transactions.  In  effecting  sales,  brokers and dealers
engaged by Selling  Stockholders  may  arrange  for other  brokers or dealers to
participate.  Brokers or dealers  may  receive  commissions  or  discounts  from
Selling  Stockholders in amounts to be negotiated (and, if such broker or dealer
acts as agent for the purchaser of such shares, from such purchaser).  Broker or
dealers may agree with the Selling  Stockholders  to sell a specified  number of
shares at a  stipulated  price per share,  and,  to the extent  such a broker or
dealer is unable to do so acting as agent for a Selling Stockholder, to purchase
as principal any unsold  shares at the price  required to fulfill such broker or
dealer  commitment to such Selling  Stockholder.  Brokers or dealers who acquire
shares as  principals  may  thereafter  resell  such shares from time to time in
transactions (which may involve crosses and book


                                      -27-

<PAGE>

transactions  and  which may  involve  sales to and  through  other  brokers  or
dealers,  including  transactions,   of  the  nature  described  above)  in  the
over-the-counter  market,  in negotiated  transactions  or otherwise,  at market
prices prevailing at the time of sale or at negotiated prices, and in connection
as described above.

         75% of the Registered  Shares  underlying the Series D Preferred  Stock
and Class D Warrants  purchased in the Private  Placement  shall be subject to a
"lock-up"  for the first  three  months  following  the  effective  date of this
Registration  Statement  (the  "Effective  Date").   Thereafter,   50%  of  such
Registered Shares will be subject to such a "lock-up" until six months following
the Effective Date and 25% of such Registered  Shares will be "locked-up"  until
the nine months following the Effective Date. 25% of such Registered Shares will
not be subject to any contractual  lock-up.  During such "lock-up"  period,  the
holders of such Series D Preferred Stock and Class D Warrants will be restricted
from  exercising or converting,  as the case may be, any such shares of Series D
Preferred Stock or Class D Warrants.

         The Company is bearing the costs relating to this  registration  of the
Registered   Shares,   including,   without   limitation,   registration   fees,
qualification and filing fees, printing expenses, escrow fees, fees and expenses
of counsel for the  Company,  blue sky fees and  expenses and the expense of any
special audits incident to or required by this  registration (but excluding fees
of legal counsel for any Selling Stockholder). All discounts or commissions will
be borne by the Selling Stockholders. It is anticipated that usual and customary
brokerage  fees  will be paid by the  Selling  Stockholders  in all open  market
transactions.  The  Selling  Stockholders  and  any  broker-dealers,  agents  or
underwriters that participate with the Selling  Stockholders in the distribution
of the  Registered  Shares may be  determined  to be  "underwriters"  within the
meaning of Section 2(11) of the Securities Act and any  commissions  received by
them and any profit on the resale of such  securities  purchased  by them may be
deemed to be underwriting commissions or discounts under the Securities Act.

         At the time a particular offer for Registered  Shares is made as herein
contemplated,  by or on behalf of a Selling Stockholder, to the extent required,
a Prospectus will be distributed by the Selling Stockholder which will set forth
the number of Registered  Shares being  offered and the terms of such  offering,
including the name or names of any underwriters,  dealers or agents, if any, and
to the extent that an  underwriter  is involved,  the purchase price paid by any
underwriter for shares purchased from the Selling Stockholder and any discounts,
commissions or concessions allowed or reallowed or paid to dealers.

         From time to time, this Prospectus will be supplemented  and amended as
required by the Securities  Act.  During any time when a supplement or amendment
is so  required,  after notice from the Company,  the Selling  Stockholders  are
required to cease sales until the Prospectus has been supplemented or amended.


                                      -28-

<PAGE>

         The Company  will inform the  Selling  Stockholders  that the terms and
arrangements  of any  underwritten  offering  must be filed  with  the  National
Association of Securities Dealers,  Inc. (the "NASD") for its review pursuant to
Section 2710 of the NASD's Corporate Financing Rules.

         The   Company   will   inform  the   Selling   Stockholders   that  the
anti-manipulation  provisions  of  Regulation  M may  apply to the  sales of the
Registered Shares. The Company will also advise the Selling  Stockholders of the
requirement  for delivery of this  Prospectus in connection with any sale of the
Registered Shares.

         Certain Selling  Stockholders  may from time to time purchase shares of
Common Stock in the open market.  These  Selling  Stockholders  will be notified
that they should not commence any distribution of Registered  Shares unless they
have terminated their purchasing and bidding for Common Stock in the open market
as provided in applicable securities regulations, including, without limitation,
Regulation M.


                                  LEGAL MATTERS

         Certain  legal  matters with respect to the validity of the  securities
offered hereby are being passed upon for the Company by Kramer,  Levin, Naftalis
& Frankel, New York, New York.


                                     EXPERTS

         The  consolidated  financial  statements of Genta  Incorporated and the
financial  statements of Genta Jago at December 31, 1996 and 1995,  and for each
of the three years in the period ended  December  31, 1996  appearing in Genta's
Annual Report on Form 10-K/A  (Amendment  No. 2) for the year ended December 31,
1996, have been audited by Ernst & Young LLP, independent auditors, as set forth
in their reports thereon (the report on Genta Incorporated  contains an emphasis
paragraph with respect to the Company's  ability to continue as a going concern)
included  therein and  incorporated  herein by reference  in reliance  upon such
reports  given upon the  authority  of such firm as experts  in  accounting  and
auditing.


                                      -29-

<PAGE>

     No dealer,  salesperson or any other person has been authorized to give any
information or to make any  representation  not contained in this  Prospectus in
connection  with the offer made by this  Prospectus  and, if given or made, such
information or representation  must not be relied upon as having been authorized
by the Company or the Selling Stockholders.  This Prospectus does not constitute
an offer to sell or a solicitation of an offer to buy any securities  other than
the registered  securities to which it relates,  or an offer in any jurisdiction
to any person to whom it is unlawful to make such an offer in such jurisdiction.
Neither the delivery of this Prospectus nor any sale made hereunder shall, under
any circumstances,  create any implication that the information contained herein
is correct at any time subsequent to the date hereof.

                             ----------------------


            TABLE OF CONTENTS

                                      Page

Available Information..................                   65,548,982  
Documents Incorporated by                                             
  Reference............................                  Common Stock 
Recent Developments....................                               
Business Summary.......................                               
Risk Factors...........................                               
Use of Proceeds........................                               
Capital Stock..........................                               
Income Tax Considerations..............                               
Selling Stockholders...................                               
Plan of Distribution...................                      GENTA    
Legal Matters..........................                  INCORPORATED 
Experts................................                               
                                                                      
                                                        --------------
                                                
                                                          PROSPECTUS    
                                                                      
                                                        --------------
                                                                     
                                                       January __, 1998


- ------------------------------------     ---------------------------------------


                                      -30-

<PAGE>

                                     PART II

                     INFORMATION NOT REQUIRED IN PROSPECTUS

Item 14.  Other Expenses of Issuance and Distribution

         The following table sets forth the various  expenses in connection with
the sale and distribution of the securities being registered hereby,  other than
underwriting discounts and commissions. All amounts are estimated except the SEC
registration fee and the Nasdaq SmallCap Market listing fee.

                                                                   Amount
                                                                   ------

         SEC registration fee................................      32,278
         Blue Sky fees and expenses..........................
         Accounting fees and expenses........................      10,000
         Printing and engraving expenses.....................
         Legal fees and expenses.............................
         Transfer agent's fees...............................
         Nasdaq SmallCap Market listing fee..................
         Miscellaneous fees and expenses.....................
                  Total......................................


Item 15.  Indemnification of Directors and Officers

         Section 145 of the  Delaware  General  Corporation  Law (the  "Delaware
GCL") permits the Company's  board of directors to indemnify any person  against
expenses  (including  attorneys'  fees),  judgments,  fines and amounts  paid in
settlement  actually  and  reasonably  incurred  by him in  connection  with any
threatened pending or completed action,  suit or proceeding in which such person
is made a party by  reason  of his being or  having  been a  director,  officer,
employee or agent of the  Company,  in terms  sufficiently  broad to permit such
indemnification   under  certain   circumstances   for  liabilities   (including
reimbursement  for expenses  incurred)  arising  under the  Securities  Act. The
Delaware GCL provides  that  indemnification  pursuant to its  provisions is not
exclusive of other rights of  indemnification  to which a person may be entitled
under any by-laws,  agreement,  vote of stockholders or disinterested directors,
or otherwise.

         Article VIII of the Company's Restated Certificate of Incorporation and
Article VII, Section 6 of the Company's By-laws provide for  indemnification  of
the  Company's  directors,  officers,  employees and other agents to the maximum
extent permitted by law.

         As permitted by Sections 102 and 145 of the Delaware GCL, the Company's
Restated Certificate of Incorporation eliminates a director's personal liability
for monetary damages to the Company and its  stockholders  arising from a breach
or alleged breach of such director's  fiduciary duty, except for liability under
Section 174 of the Delaware GCL or  liability  for any breach of the  director's
duty of loyalty to the Company or its stockholders, for acts or omissions not in
good faith or which involve intentional misconduct or a knowing violation of law
or for any transaction which the director derived an improper personal benefit.

         In  addition,  the Company has entered  into  separate  indemnification
agreements with its directors and officers that will require the Company,  among
other things, to indemnify them against certain


                                      II-1

<PAGE>

liabilities  that may arise by reason of their status or service as directors or
officers to the fullest extent not prohibited by law.

         The  registration  rights  provisions  of  the  Company's  Subscription
Agreements  entered  into  by the  Company  and its  Series  D  Preferred  Stock
investors, including the Selling Stockholders, provide for cross-indemnification
of the Selling  Stockholders  and of the Company,  its  officers,  directors and
agents for certain liabilities arising under the Securities Act or otherwise.

Item 16.  Exhibits


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

          4.1*        Form of Subscription Agreement entered into between the
                      Company and certain  purchasers of Series D Convertible
                      Preferred Stock and Class D Warrants

          4.2*        Restated Certificate of Incorporation of the Company, as
                      amended

          5.1*        Opinion of Kramer, Levin, Naftalis & Frankel

         23.1         Consent of Ernst & Young LLP, Independent Auditors

         23.2*        Consent of Kramer,  Levin, Naftalis & Frankel (included
                      in  its   opinion   filed  as   Exhibit   5.1  to  this
                      Registration Statement)

         24.1         Power of Attorney (included on the signature page hereof)


- ------------
*    To be filed by amendment.


Item 17.  Undertakings

         Insofar as indemnification for liabilities arising under the Securities
Act, may be  permitted to  directors,  officers and  controlling  persons of the
Company pursuant to the foregoing provisions, or otherwise, the Company has been
advised that in the opinion of the SEC such  indemnification  is against  public
policy as expressed in the Securities Act and is, therefore,  unenforceable.  In
the event that a claim for indemnification  against such liabilities (other than
the payment by the Company of expenses  incurred or paid by a director,  officer
or controlling  person of the Company in the  successful  defense of any action,
suit or proceeding) is asserted by such director,  officer or controlling person
in connection with the securities being registered,  the Company will, unless in
the opinion of its counsel the matter has been settled by controlling precedent,
submit  to a  court  of  appropriate  jurisdiction  the  question  whether  such
indemnification  by it is against  public policy as expressed in the  Securities
Act and will be governed by the final adjudication of such issue.

         The undersigned Company hereby undertakes:

         (1) To file during any period in which  offers or sales are being made,
a post-effective  amendment to this Registration  Statement:  (i) to include any
prospectus  required by Section  10(a)(3) of the Securities Act; (ii) to reflect
in the prospectus any facts or events arising after the effective date of


                                      II-2

<PAGE>

the Registration Statement (or the most recent post-effective amendment thereof)
which,  individually or in the aggregate,  represent a fundamental change in the
information set forth in this Registration  Statement;  and (iii) to include any
material  information  with  respect to the plan of  distribution  not  previous
disclosed  in  this  Registration  Statement  or any  material  change  to  such
information in this Registration Statement;  provided,  however, that paragraphs
(i) and (ii) do not  apply  if the  information  required  to be  included  in a
post-effective  amendment by those  paragraphs is contained in periodic  reports
filed by the Registrant  pursuant to Section 13 or Section 15(d) of the Exchange
Act that are incorporated by reference in this Registration Statement.

         (2) That,  for the  purpose  of  determining  any  liability  under the
Securities Act, each post-effective amendment that contains a form of prospectus
shall be deemed to be a new  registration  statement  relating to the securities
offered  therein,  and the  offering  of such  securities  at that time shall be
deemed to be the initial bona fide offering thereof.

         (3) To remove from registration by means of a post-effective  amendment
any of the securities being registered which remain unsold at the termination of
the offering.

         (4) For purposes of determining any liability under the Securities Act,
each filing of the  Registrant's  annual  report  pursuant  to Section  13(a) or
Section  15(d) of the  Exchange  Act that is  incorporated  by reference in this
Registration  Statement  shall  be  deemed  to be a new  registration  statement
relating to the securities offered therein,  and the offering of such securities
at that time shall be deemed to be the initial bona fide offering thereof.


                                      II-3

<PAGE>


                                   SIGNATURES

         Pursuant  to the  requirements  of the  Securities  Act  of  1933,  the
registrant certifies that it has reasonable grounds to believe that it meets all
of  the  requirements  for  filing  on  Form  S-3,  and  has  duly  caused  this
Registration Statement to be signed on its behalf by the undersigned,  thereunto
duly authorized,  in the City of Lexington,  State of Massachusetts,  on January
__, 1998.

                                         GENTA INCORPORATED

                                         /s/ Kenneth G. Kasses, Ph.D.
                                         ------------------------------
                                         Kenneth G. Kasses, Ph.D.
                                         President, Principal Executive Officer 
                                         and Director


                                POWER OF ATTORNEY

         KNOW  ALL MEN BY THESE  PRESENTS,  that  each  person  whose  signature
appears  below  constitutes  and  appoints  Kenneth G. Kasses and Robert E. Klem
jointly,  and each of them  severally his true and lawful  attorney-in-fact  and
agent,  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,  including post-effective amendments, to this Registration Statement
and any registration  statement related to this Registration Statement and filed
pursuant  to Rule 462 under the  Securities  Act of 1933,  and to file the same,
with  exhibits  thereto and other  documents in connection  therewith,  with the
Securities and Exchange  Commission,  granting unto said  attorneys-in-fact  and
agents,  and each of them,  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  each of said  attorneys-in-fact  and  agents  or their  substitute  or
substitutes may lawfully do or cause to be done by virtue hereof.

         Pursuant to the requirements of the Securities Act of 1933, as amended,
this  Registration  Statement has been signed below by the following  persons in
the capacities and on the dates indicated.

<TABLE>
<CAPTION>
               Signature                                  Title                                    Date
               ---------                                  -----                                    ----

<S>                                          <C>                                           <C>    
                                             President, Principal Executive                 January 19, 1998
    /s/Kenneth G. Kasses, Ph.D.                   Officer and Director
    --------------------------
    Kenneth G. Kasses, Ph.D.
                                             Principal Accounting Officer,                  January 18, 1998
    /s/Robert E. Klem, Ph.D.                 Vice President and Director
    --------------------------
    Robert E. Klem, Ph.D.

                                                        Director                            January 19, 1998
    /s/Glenn L. Cooper, M.D.
    --------------------------
    Glenn L. Cooper, M.D.
                                                        Director                            January 19, 1998
    /s/Donald G. Drapkin
    --------------------------
    Donald G. Drapkin
                                                        Director                            January 18, 1998
    /s/Lawrence J. Kessel, M.D.
    --------------------------
    Lawrence J. Kessel, M.D.
                                                        Director                            January 19, 1998
    /s/Peter Salomon, M.D.
    --------------------------
    Peter Salomon, M.D.


                                      II-4

<PAGE>


                                                        Director                            January 19, 1998
    /s/Bobby W. Sandage, Jr., Ph.D.
    ------------------------------
    Bobby W. Sandage, Jr., Ph.D.
                                                        Director                            January 19, 1998
    /s/Andrew J. Stein
    -------------------------------
    /s/Andrew J. Stein
                                                        Director                            January 20, 1998
    /s/Harlan J. Wakoff
    -------------------------------
    Harlan J. Wakoff
                                                        Director                            January 19, 1998
    /s/Michael S. Weiss
    -------------------------------
    Michael S. Weiss
</TABLE>


                                      II-5

<PAGE>


                                  EXHIBIT INDEX


 Exhibit                                                            Sequentially
  Number       Exhibit                                             Numbered Page

   4.1*        Form of Subscription Agreement entered into between
               the Company and certain purchasers of Series D
               Preferred Stock and Class D Warrants

   4.2*        Restated Certificate of Incorporation of the Company,
               as amended

   5.1*        Opinion of Kramer, Levin, Naftalis & Frankel


   23.1        Consent of Ernst & Young LLP, Independent Auditors


  23.2*        Consent of Kramer, Levin, Naftalis & Frankel
               (included in its opinion filed as Exhibit 5.1 to this
               Registration Statement)

   24.1        Power of Attorney (included on the signature page of
               the Registration Statement)


- ------------------

* To be filed by amendment.


                                      II-6



                                                                    Exhibit 23.1

               CONSENT OF ERNST & YOUNG LLP, INDEPENDENT AUDITORS

We consent to the reference to our firm under the caption "Experts" in Amendment
No.  1  to  the  Registration   Statement  (Form  S-3  No.  333-35215)  for  the
registration of shares of its common stock and to the incorporation by reference
therein 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,  filed with the  Securities  and
Exchange Commission.


                                                     ERNST & YOUNG LLP

San Diego, California
January ___, 1998


                                      II-1




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