INTERNEURON PHARMACEUTICALS INC
424B3, 1997-02-13
PHARMACEUTICAL PREPARATIONS
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PROSPECTUS
- ----------



                                                                  Rule 424(b)(3)

                        INTERNEURON PHARMACEUTICALS, INC.
                        1,555,422 shares of Common Stock


                  This Prospectus  relates to 1,555,422 shares (the "Shares") of
Common  Stock,  par value $.001 per share (the  "Common  Stock") of  Interneuron
Pharmaceuticals, Inc. (the "Company"), of which 1,055,422 Shares are outstanding
and 500,000  Shares are issuable upon exercise of warrants,  which Shares may be
offered  and sold by certain  stockholders  of the  Company  named  herein  (the
"Selling  Stockholders").  The Selling Stockholders may sell all or a portion of
the Shares from time to time in  transactions  on the Nasdaq  National Market or
other  exchanges  or  markets  on  which  the  Shares  may  be  traded,  in  the
over-the-counter  market,  in  negotiated  transactions,  through the writing of
options on the Shares or a combination  of such methods of sale or through other
means.  Sales may be  effected at fixed  prices  that may be changed,  at market
prices  prevailing  at the time of sale,  at prices  related to such  prevailing
market prices or at negotiated prices.

                  The  Selling  Stockholders  may effect  such  transactions  by
selling the Shares to or through broker-dealers  (including broker-dealers which
may be affiliated with any such Selling Stockholder) and such broker-dealers may
receive  compensation in the form of discounts,  concessions or commissions from
the  Selling  Stockholders  or  the  purchasers  of the  Shares  for  whom  such
broker-dealers may act as agent or to whom they sell as principal or both (which
compensation  to a  particular  broker-dealer  might be in excess  of  customary
commissions). See "Selling Stockholders" and "Plan of Distribution."

                  None  of the  proceeds  from  the  sale of the  Shares  by the
Selling Stockholders will be received by the Company,  although the Company will
receive  proceeds from any exercise of the  warrants.  The Company has agreed to
bear certain expenses in connection with the registration and sale of the Shares
being offered by the Selling  Stockholders.  The Company has agreed to indemnify
the  Selling  Stockholders   against  certain  liabilities,   including  certain
liabilities under the Securities Act of 1933, as amended (the "Act").

                  The Common  Stock trades on the Nasdaq  National  Market under
the symbol IPIC.  On February  11,  1997,  the last sale price of the Shares was
$29.

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

          THE SECURITIES OFFERED HEREBY INVOLVE A HIGH DEGREE OF RISK.
           SEE "RISK FACTORS" BEGINNING ON PAGE 7 OF THIS PROSPECTUS.

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


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  COMMISSION  PASSED UPON THE
ACCURACY OR ADEQUACY OF THIS PROSPECTUS. ANY REPRESENTATION TO THE CONTRARY IS A
CRIMINAL OFFENSE.

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



                The date of this Prospectus is February 12, 1997






                              AVAILABLE INFORMATION

                  The  Company  has  filed  with  the  Securities  and  Exchange
Commission (the "Commission"), Washington, D.C. a Registration Statement on Form
S-3 under the Act  covering  the  securities  offered by this  Prospectus.  This
Prospectus does not contain all of the information set forth in the Registration
Statement and the exhibits thereto.  Statements  contained in this Prospectus as
to the  contents  of  any  contract  or  other  document  referred  to  are  not
necessarily  complete  and in each  instance  such  statement  is  qualified  by
reference  to each such  contract  or  document.  The  Company is subject to the
informational  requirements  of the Securities  Exchange Act of 1934, as amended
(the  "Exchange  Act"),  and in  accordance  therewith  files  reports and other
information  with the  Commission.  Reports and other  information  filed by the
Company with the Commission can be inspected and copies at the public  reference
facilities  maintained by the  Commission at the following  addresses:  New York
Regional Office, Seven World Trade Center, New York, New York 10048; and Chicago
Regional Office, 500 West Madison Street, Chicago,  Illinois 60661-2511.  Copies
of such  material  can be  obtained  from the  Public  Reference  Section of the
Commission  at 450 Fifth  Street,  N.W.,  Washington,  D.C.  20549 at prescribed
rates. The Commission maintains a Web site at  http://www.sec.gov  that contains
reports,  proxy  statements and other  information  regarding  issuers that file
electronically with the Commission.

                 INCORPORATION OF CERTAIN DOCUMENTS BY REFERENCE

                  The following  documents  filed with the Commission  (File No.
0-18728) pursuant to the Exchange Act are incorporated herein by reference:

                  1. The  Company's  Annual  Report on Form 10-K and Form 10-K/A
for the fiscal  year ended  September  30,  1996,  including  any  documents  or
portions thereof incorporated by reference therein and all amendments thereto;

                  2. The Company's  definitive proxy statement dated January 28,
1997, except the Compensation Committee Report on executive compensation and the
performance graph included in the proxy statement,  filed pursuant to Section 14
of the Exchange Act;

                  3. The Company's Report on Form 8-K dated December 19, 1996.

                  4. The Company's  Registration  Statement on Form 8-A declared
effective on March 8, 1990, as amended,  registering  the Common Stock under the
Exchange Act; and

                  5. All  documents  filed by the  Company  pursuant to Sections
13(a),  13(c),  14 or 15(d) of the Exchange Act  subsequent  to the date of this
Prospectus  and  prior  to  the   termination  of  this  offering,   except  the
Compensation  Committee  Report on Executive  Compensation  and the  performance
graph  included  in the Proxy  Statement  filed  pursuant  to  Section 14 of the
Exchange Act.

                  Any statement contained in any document incorporated or deemed
to be  incorporated  by  reference  herein  shall be  deemed to be  modified  or
superseded  for  purposes  of this  Prospectus  to the extent  that a  statement
contained herein or in any subsequently filed

                                                                               
                                       -2-





document  which  also is or is deemed to be  incorporated  by  reference  herein
modifies  or  supersedes  such  statement.  Any such  statement  so  modified or
superseded shall not be deemed, except as modified or superseded,  to constitute
a part of this  Prospectus.  The Company  will  provide  without  charge to each
person to whom this Prospectus is delivered, upon written or oral request of any
such  person,  a copy  of any or all of the  documents  incorporated  herein  by
reference  (other than  exhibits to such  documents  which are not  specifically
incorporated  by reference  into such  documents).  Requests for such  documents
should be directed to the Company,  99 Hayden Avenue,  Lexington,  Massachusetts
02173, Attention: Chief Financial Officer, telephone (617) 861-8444.

                  Redux(TM) is a trademark of Les Laboratoires Servier, licensed
to the Company and American Home Products Corp. Melzone(TM),  PMS Escape(TM) and
Boston Sports Supplement(TM) are trademarks of the Company. All other trademarks
or  tradenames  referred  to in  this  Prospectus  are  the  property  of  their
respective owners.


                                       -3-





                               PROSPECTUS SUMMARY


                  Interneuron   Pharmaceuticals,   Inc.  ("Interneuron"  or  the
"Company") is a diversified biopharmaceutical company engaged in the development
and  commercialization  of  a  portfolio  of  products  and  product  candidates
primarily for neurological and behavioral disorders,  including obesity, stroke,
anxiety and insomnia.  Interneuron focuses primarily on developing products that
mimic or affect  neurotransmitters,  which are  chemicals  that  carry  messages
between nerve cells of the central nervous system ("CNS") and peripheral nervous
system.  The Company is also  developing  products and  technologies,  generally
outside  the  CNS  field,   through   four   subsidiaries:   Intercardia,   Inc.
("Intercardia")   focuses   on   cardiovascular   disease;    Progenitor,   Inc.
("Progenitor")  focuses on  functional  genomics  using  developmental  biology;
Transcell  Technologies,  Inc. ("Transcell") focuses on carbohydrate-based  drug
discovery;  and InterNutria,  Inc. ("InterNutria") focuses on dietary supplement
products.

Redux for Obesity
- -----------------

                  The   Company's   first    pharmaceutical    product,    Redux
(dexfenfluramine), received FDA clearance on April 29, 1996 and was commercially
launched in June 1996 as a prescription  drug for the treatment of obesity.  The
approved indication is for the management of obesity,  including weight loss and
maintenance, in patients on a reduced calorie diet who have an initial body mass
index  ("BMI")  of >= 30  kg/m2 or >= 27 kg/m2  in the  presence  of other  risk
factors (e.g.  hypertension,  diabetes, or hyperlipidemia).  BMI, a relationship
between  height  and  weight,  is a  widely  used  measure  of  obesity.  For an
individual  with a  height  of 5'5",  a BMI of 30  corresponds  to a  weight  of
approximately   180  pounds  and  a  BMI  of  27  corresponds  to  a  weight  of
approximately  162 pounds.  These amounts exceed "ideal body weight" of a person
of such  height by  approximately  36% and 22%,  respectively.  Included  in the
FDA-approved  labeling for Redux are  references  to certain  risks which may be
associated  with  dexfenfluramine  and which were  highlighted  during the FDA's
review of the drug.

                  Redux  is  being  marketed  by the  Wyeth-Ayerst  division  of
American Home Products Corp. ("AHP"),  which obtained from the Company exclusive
U.S.  marketing  rights,  in exchange for  royalties on net sales and  milestone
payments payable to the Company.  The Company,  which retained  co-promotion and
certain  manufacturing  rights,  obtained U.S. rights to Redux to treat abnormal
carbohydrate  craving and obesity from Les Laboratoires  Servier  ("Servier") in
exchange for royalties on net sales. To supplement AHP's marketing efforts,  the
Company has developed an approximately  30-person sales force to copromote Redux
to  selected   diabetologists,   endocrinologists,   bariatricians   and  weight
management  specialists,  in return for a percentage of resulting  revenues less
certain expenses. Redux capsules are being manufactured for the Company for sale
to AHP  on a  contract  basis  by  Boehringer  Ingelheim  Pharmaceuticals,  Inc.
("Boehringer") and bulk chemical is supplied by Servier.

Citicoline for Ischemic Stroke
- ------------------------------

                  The Company has completed a pivotal Phase 3 clinical  trial of
citicoline  for the  treatment  of ischemic  stroke,  suffered  by an  estimated
415,000  people in the U.S.  each year.  Results  of the Phase 3 clinical  trial
indicated a statistically  significant  improvement over placebo at certain dose
levels in the recovery of patients who suffered an ischemic stroke and were


                                       -4-





treated with  citicoline.  In this study,  patients were treated with citicoline
within 24 hours post- stroke.  Based on the clinical  data to date,  the Company
believes citicoline may be a promising post-stroke therapy,  particularly due to
its potentially broad therapeutic  window. The Company has commenced  additional
Phase 3 trials to confirm the efficacy and safety of  citicoline  and to confirm
whether treatment of stroke with citicoline limits infarct size. The Company has
U.S. and Canadian marketing rights to certain uses of citicoline, which has been
approved for marketing in over 20 countries.

Bucindolol for Congestive Heart Failure
- ---------------------------------------

                  Through  Intercardia and CPEC, Inc., the Company is developing
bucindolol,  which is currently undergoing a Phase 3 clinical trial known as the
Beta-blocker  Evaluation of Survival Trial (the "BEST Study"). The BEST Study is
being  conducted by a division of the National  Institutes of Health (the "NIH")
and the  Department  of  Veterans  Affairs  (the  "VA"),  for the  treatment  of
congestive heart failure.  Intercardia  obtained  worldwide rights to bucindolol
and, in December 1995,  entered into an agreement with Astra Merck, Inc. ("Astra
Merck")  for  the  development  and  commercialization  of  bucindolol  for  the
treatment of congestive heart failure.  CPEC is owned 80% by Intercardia and 20%
by Interneuron. See "Recent Developments."

Other Products
- --------------

                  Other product  candidates in the  Company's  pipeline  include
pagoclone,  a drug under development to treat anxiety/panic  disorders for which
the Company  recently  commenced a pivotal Phase 2/3 clinical  trial in patients
with panic disorders aimed at a longer-term safety and efficacy  evaluation.  In
addition,  the Company recently  commenced a regional test launch for Melzone, a
low-dose dietary  supplement form of melatonin,  a naturally  occurring  hormone
that is believed to regulate the body's circadian  (sleep) rhythm,  which may be
useful to induce restful sleep.

                  The Company is developing additional products and technologies
through  its  subsidiaries.   Progenitor's  research  and  development  programs
emphasize  functional  genomics  through  developmental  biology and include the
following:  a novel human hematopoietin  receptor, a leptin receptor,  which may
play a role in obesity,  blood cell growth,  diabetes and  fertility;  the del-1
gene,  which  may play a role in  angiogenesis,  and a  nonviral  gene  delivery
system.  Transcell's leading technologies  include a combinatorial  carbohydrate
chemistry method for synthesis and library development of  oligosaccharides  and
glycoconjugates,  novel  non-viral  compounds for  transporting  DNA across cell
membranes and compounds for transmembrane drug transport.

                  InterNutria's  leading  product  candidates are PMS Escape,  a
dietary  supplement  for  women  during  the  pre-menstrual   period,  which  is
undergoing  a regional  test launch in New  England  while  continuing  clinical
evaluation,  and Boston Sports Supplement, a choline-rich dietary supplement for
the enhancement of athletic  performance and reduction of fatigue, for which the
Company anticipates a regional test launch in fiscal 1997.

                  The Company was originally incorporated in New York in October
1988 and in March 1990 was reincorporated in Delaware.  The Company's  executive
offices are located at


                                       -5-





One Ledgemont  Center,  99 Hayden Avenue,  Suite 340,  Lexington,  Massachusetts
02173, and its telephone number is (617) 861-8444.  Unless the context indicates
otherwise,   all  references  to  the  Company   include   Interneuron  and  its
subsidiaries,   Intercardia,   Progenitor,   Transcell,   and  InterNutria  (the
"Subsidiaries").

Recent Developments
- -------------------

                  In  December  1996,   Interneuron  and  Algos  Pharmaceuticals
Corporation ("Algos") entered into a Development and Marketing Collaboration and
License   Agreement.    The   agreement   relates   to   the   development   and
commercialization  of, and grants Interneuron a worldwide license,  co-exclusive
with Algos, for, an intra-nasal  formulation of LidoDexNS,  for the treatment of
migraine headache and other potential applications.

                  In  December  1996,  Intercardia  and  Knoll  A.G.  ("Knoll"),
entered into an agreement relating to the development and  commercialization  of
bucindolol  for the  treatment of congestive  heart  failure  outside the United
States and Japan (the "Foreign Territory"). The agreement requires Knoll to make
certain payments to CPEC, including $2.1 million upon execution of the agreement
and $1 million in  January  1997,  as well as future  payments  contingent  upon
achieving  regulatory and net sales related  milestones.  Knoll and  Intercardia
will share the  development  and  marketing  costs of  bucindolol in the Foreign
Territory and CPEC will be entitled to 40% of net profits  (responsible  for 40%
of  net  losses)  of  the  product  in  the  Foreign  Territory.  The  agreement
contemplates the formation of a committee  composed of  representatives of Knoll
and  Intercardia to review and advise as to the development of bucindolol in the
Foreign  Territory.  Knoll has the right to terminate this agreement at any time
prior to termination of the BEST Study and within 60 days after the BEST Study's
primary end- point results are reported in writing to Knoll.

                  In December 1996, Progenitor and Amgen, Inc. ("Amgen") entered
into a license agreement granting Amgen exclusive rights for the development and
commercialization of products using Progenitor's leptin receptor technology. The
license  agreement  requires  Amgen  to  make  certain  payments  to  Progenitor
contingent upon achieving mostly late-stage regulatory milestones plus potential
royalties on net sales of any products developed. Amgen also agreed to purchase,
in the event of a  Progenitor  initial  public  offering,  up to  $5,500,000  of
Progenitor common stock.



                                       -6-





                                  RISK FACTORS

                  An investment in the securities  offered hereby is speculative
in nature and involves a high degree of risk. Each  prospective  investor should
carefully  consider the  following  risk  factors,  as well as others  described
elsewhere or  incorporated  by reference in this  Prospectus,  before  making an
investment.  Prospective  investors  are cautioned  that the  statements in this
Prospectus that are not  descriptions of historical facts may be forward looking
statements  that are subject to risks and  uncertainties.  Actual  results could
differ  materially from those currently  anticipated due to a number of factors,
including those identified under "Risk Factors" and elsewhere in this Prospectus
or documents incorporated by reference herein.

                  History of Losses;  Accumulated  Deficit and Potential  Future
Losses; Potential Fluctuations in Revenues. Until recently, the Company has been
engaged primarily in research and development  activities and, through September
30,  1996,  the  Company  had   accumulated   net  losses  since   inception  of
approximately $107 million.  Losses are continuing and cash continues to be used
by operating  activities.  The Company  will be required to conduct  significant
development  and clinical  testing  activities and establish  marketing,  sales,
regulatory and  administrative  capabilities for many of its proposed  products,
including  products  which may be acquired in the future,  which are expected to
result in continued  operating losses for the foreseeable  future. The extent of
future losses and time required to achieve  profitability  are highly uncertain.
There can be no assurance that the Company will be able to achieve profitability
on a sustained basis, if at all. The Company has  experienced,  and may continue
to  experience,  fluctuations  in  revenues as a result of the timing of license
fees, royalties,  or product shipments,  regulatory approvals,  product launches
and milestone payments.

                  Risks  Relating to Redux.  The  Company's  future  success may
depend in large part on the long-term  marketing success of Redux.  There can be
no  assurance  as to the  successful  commercialization  of Redux,  which may be
affected by various factors, including the following:

                           Safety Issues;  Post-Marketing Study. Included in the
                  FDA-approved  labeling  for Redux are  references  to  certain
                  risks that may be associated  with  dexfenfluramine  and which
                  were  highlighted  during  the FDA's  review of the drug.  One
                  issue  relates  to  whether  there is an  association  between
                  appetite  suppressants,  including  dexfenfluramine,  and  the
                  development of primary pulmonary  hypertension ("PPH"), a rare
                  but serious  lung  disorder.  In the general  population,  the
                  yearly  occurrence  of PPH is estimated to be about one to two
                  cases per million.  An epidemiologic study conducted in Europe
                  examining  risk  factors  for  PPH  showed  that  among  other
                  factors,  weight  reduction drugs  including  dexfenfluramine,
                  systemic hypertension, and obesity itself were associated with
                  a higher risk of PPH. Results of the final study,  including a
                  reclassification  and inclusion of certain previously excluded
                  cases  by the  authors  of the  study,  estimated  the  yearly
                  occurrence  to be  between  23 and 46 cases  per  million  for
                  patients taking appetite  suppressants  for greater than three
                  months  duration.  Issues relating to PPH may adversely affect
                  the market for, and the sales and  marketing of, Redux as well
                  as the Company's business,  financial condition and results of
                  operations.


                                       -7-





                           A second issue discussed in the FDA-approved labeling
                  for  Redux  is  whether  dexfenfluramine  is  associated  with
                  certain  neurochemical  changes in the brain.  Certain studies
                  related to this issue, conducted by third parties,  purport to
                  show that very high doses of  dexfenfluramine  cause prolonged
                  serotonin depletion in certain animals, which some researchers
                  believe  is  an  indication  of  neurotoxicity.   The  Company
                  presented data relating to the lack of neurocognitive  effects
                  in patients taking Redux and believes that, as demonstrated in
                  human trials,  these animal studies are clinically  irrelevant
                  to  humans  because  of  pharmacokinetic  differences  between
                  animals   and  humans   (resulting   in  much   higher   brain
                  concentrations of dexfenfluramine and its active metabolite in
                  certain  animals  than in  humans)  and  because  of the  high
                  dosages  used in animal  studies.  The Company has agreed with
                  the FDA to  conduct  a Phase  4, or  post-marketing,  study of
                  Redux,    that   is   expected    to   be   a    double-blind,
                  placebo-controlled   trial  to  further   evaluate   long-term
                  neurocognitive  function in  patients  taking  Redux.  Adverse
                  results, if any, of this study or the perceived  likelihood of
                  the  occurrence of the labeled risks in patients  taking Redux
                  may materially adversely affect the labeling,  market,  and/or
                  marketing,  of the  drug as well  as the  Company's  business,
                  financial condition and results of operations.

                           Recent FDA Approval and Launch; Dependence on AHP for
                  Marketing;   Costs  Associated  with  Sales  Force;  Potential
                  Fluctuations in Revenues and Related Costs. Redux was launched
                  commercially by AHP in June 1996. Accordingly, the Company has
                  only limited  experience in sale and manufacturing of Redux in
                  commercial   quantities  and  cannot  predict  the  extent  of
                  fluctuations in revenues and costs and inventory  levels.  The
                  success  of  Redux  depends  to a  significant  extent  on the
                  marketing and sales efforts of AHP, over which the Company has
                  minimal control. The Company is incurring substantial costs in
                  connection  with  its  sales  force  and   implementation   of
                  co-promotion activities for Redux. Substantial working capital
                  is  also  required  to  fund   inventories   and   receivables
                  associated with the commercialization of Redux.

                           Dependence   on    Suppliers;    Risks   Related   to
                  Manufacturing.   The  Company  is  required  to  purchase  all
                  dexfenfluramine  bulk  chemical  from Servier at a fixed cost,
                  subject to annual adjustments.  The Company is responsible for
                  supplying AHP with Redux finished product requirements and has
                  contracted  to  purchase  all  Redux  finished  product  until
                  December 1998 from Boehringer,  which is the sole manufacturer
                  of the  finished  product  identified  in the  Redux  new drug
                  application  ("NDA"). The Company will be required to obtain a
                  replacement  GMP  manufacturing  facility  for Redux  prior to
                  expiration  of  the  Boehringer  agreement.  There  can  be no
                  assurance a  replacement  supplier will be approved by the FDA
                  in sufficient  time to avoid an  interruption  in supply.  The
                  Company  is  materially  dependent  on the  ability of each of
                  Servier and Boehringer to have manufactured and delivered,  on
                  a timely  basis,  sufficient  quantities  of bulk chemical and
                  finished product,  respectively, in accordance with applicable
                  specifications.  In the event Servier or Boehringer are unable
                  to satisfy  production  requirements  on a timely basis or are
                  prevented for any reason from  manufacturing  bulk chemical or
                  finished  product,  respectively,  the Company would likely be
                  unable  to  secure  any  alternate  supplier  or  manufacturer
                  without materially adverse disruption and


                                       -8-




                  substantially   increased   costs,  if  at  all,  which  would
                  materially adversely affect the Company's business and results
                  of operations.

                           Inventory   levels   depend  to  a  large  extent  on
                  forecasts provided by AHP, the Company's  production planning,
                  and production  capabilities  of  Boehringer.  There can be no
                  assurance  that AHP's  forecasts and the  Company's  resulting
                  production  planning, will be accurate, or that Boehringer (or
                  its suppliers) will be able to manufacture  product  according
                  to  specifications  on a timely  basis,  which  may  result in
                  higher product costs to the Company or inadequate or excessive
                  supplies  of  the  product,  any  of  which  could  materially
                  adversely  affect  the  Company's   business  and  results  of
                  operations.  In addition,  there can be no assurance  that the
                  manufacture  and sale of Redux  capsules will be profitable to
                  the Company.

                           Effect of Controlled Substances Act and Similar State
                  Regulations.   Fenfluramine   and   its   isomers,   including
                  dexfenfluramine,  are  currently  designated  as  Schedule  IV
                  substances  under  the  Controlled  Substances  Act.  This act
                  imposes various  registration and record keeping  requirements
                  and restricts the number of prescription refills. In September
                  1995, an advisory committee of the FDA recommended the removal
                  of fenfluramine  and its isomers,  including  dexfenfluramine,
                  from these  controls.  There can be no assurance as to whether
                  descheduling   will   occur  or  as  to  the  timing  of  such
                  descheduling.    In    connection    with   the    committee's
                  recommendation, the Company and AHP have agreed to develop and
                  administer a program to monitor for potential  abuse or misuse
                  of dexfenfluramine.  Further,  state descheduling  actions are
                  required by many states even after federal  descheduling.  The
                  continued status of dexfenfluramine as a controlled  substance
                  would adversely  affect the  marketability  of the drug and is
                  resulting in delayed milestone payments and equity investments
                  in the Company  by AHP. The Company will receive such payments
                  and investment only if dexfenfluramine is descheduled prior to
                  April 1997. In addition, because dexfenfluramine is scheduled,
                  royalties  payable to the Company by AHP are lower than if the
                  drug were descheduled.

                           Termination of Agreements. The Servier Agreements may
                  be terminated by Servier under certain  conditions,  including
                  an   acquisition   by  a  new  party   (other  than   existing
                  stockholders or their affiliates as of the date of the Servier
                  Agreements)  of a 20%  beneficial  ownership  interest  in the
                  Company without Servier's consent. The Servier Agreements also
                  require  Servier's  consent  to a  Company  sublicense,  which
                  consent was obtained in  connection  with the AHP  Agreements.
                  However,  Servier has the right to withdraw its consent to the
                  AHP  Agreements  in the event of a change in control of AHP or
                  unless certain  minimum net sales are achieved or payments are
                  made as if such minimum sales were achieved. In the event of a
                  breach of the Servier  Agreements by the Company,  or of other
                  specified  events  which  result  in  the  termination  of the
                  Servier Agreements,  AHP may succeed to the Company's position
                  under the Servier  Agreements.  AHP has the right to terminate
                  its agreements with the Company (the "AHP  Agreements") at any
                  time on 12 months notice.  Wyeth-Ayerst may also terminate the
                  co-promotion  agreement in the event annual sales generated by
                  the Interneuron  sales force do not exceed  specified  levels.
                  The Company


                                       -9-





                  anticipates  that for the foreseeable  future,  royalties from
                  AHP on Redux sales will  constitute a  substantial  portion of
                  the Company's  revenues.  Accordingly,  the termination of the
                  Servier Agreements or the AHP Agreements would have a material
                  adverse effect on the Company.

                           Other  Risks.  The  successful  commercialization  of
                  Redux is also subject to other risks including those set forth
                  under "Risks  Factors --  Competition"  and "-  Uncertainty of
                  Patent  Protection and Proprietary  Rights," "- Risks Relating
                  to  Managing  Growth,"  "-Competition,"  "-  Risk  of  Product
                  Liability" and "Uncertainty  Regarding  Pharmaceutical Pricing
                  and Reimbursement."

                  Uncertainties  Related to Clinical  Trials.  Before  obtaining
regulatory  approval  for  the  commercial  sale  of any  of its  pharmaceutical
products under  development,  the Company must  demonstrate  that the product is
safe  and  efficacious  for  use  in  each  target  indication.  Citicoline  and
bucindolol  are  currently  in Phase 3 clinical  trials and a Phase 2/3 clinical
trial on pagoclone has recently  commenced.  The results of preclinical  studies
and early clinical trials may not be predictive of results that will be obtained
in  large-scale  testing or use,  and there can be no  assurance  that  clinical
trials of the products  under  development by the Company will  demonstrate  the
safety and efficacy of such products, that additional clinical trials may not be
required or that,  regardless of clinical  trial  results,  FDA approval will be
obtained on a timely  basis or at all, any of which could  materially  adversely
affect the Company.  A number of companies in the  pharmaceutical  industry have
suffered  significant  setbacks in advanced clinical trials or have not received
FDA  approval,  even  after  promising  results in  earlier  trials.  Ferrer may
terminate  the Ferrer  Agreement in the event FDA approval of  citicoline is not
obtained  by  January  1999.  The  Company  also  expects  to  conduct  clinical
evaluation  on  certain  dietary   supplement   products  under  development  to
substantiate the claims that are expected to be made for the products. There can
be no assurance that these clinical evaluations will be successful.

                  Funding Requirements and Commitments. The Company has expended
and  will  continue  to  expend   substantial  funds  to  conduct  research  and
development  activities and preclinical  and clinical  testing on products under
development,  including  products  which  may  be  acquired  in the  future.  In
addition,  the Company is  establishing  sales and  marketing  capabilities  for
certain of its products. The Company is co-promoting Redux and intends to market
directly or co-promote citicoline,  Melzone and PMS Escape,  assuming applicable
regulatory approvals are obtained and test launches are successful.  The Company
will therefore be required to establish and maintain  appropriate internal sales
forces and functions and will require  additional  funds for  manufacturing  and
marketing  activities.  The Company may seek additional funds through  corporate
collaborations  or future equity or debt  financings to provide  funding for new
business opportunities and future growth.

                  Interneuron  is  also  currently  funding  the  activities  of
Progenitor,  Transcell and  InterNutria,  each of which is seeking to enter into
collaborations,  business  combinations  or  private  or  public  equity or debt
financings to pursue development and  commercialization of their technologies or
products.  Although  Interneuron may acquire  additional  equity in a subsidiary
through  participation in any such financing or conversion of intercompany debt,
purchases from third parties or open market  purchases,  equity  financings by a
subsidiary  will  likely  reduce  Interneuron's  percentage  ownership  of  that
subsidiary and funds raised by the Subsidiaries  will generally not be available
to Interneuron. The Company from time to time explores various


                                      -10-





technology,  product  or  company  acquisitions  and  is  currently  engaged  in
discussions  relating to such  opportunities.  Any such acquisitions may involve
the issuance of Interneuron  securities and/or financial  commitments.  Although
certain of the  subsidiaries  are engaged in  discussions  relating to potential
business   combinations,   collaborations   and/or   private  or  public  equity
financings, except as set forth or incorporated by reference herein, none of the
Subsidiaries  has any commitments  for additional  financing and there can be no
assurance that any such financing will be available on acceptable  terms,  if at
all. In  particular,  Progenitor  had filed a  registration  statement  with the
Commission  relating  to an initial  public  offering  of its  securities.  Such
offering had been postponed indefinitely and there can be no assurance that such
offering will be completed or as to the timing or amount of any  offering.(*) If
adequate funds are not available to these subsidiaries on acceptable terms, such
subsidiaries  may be required to delay,  scale back or eliminate  some or all of
their respective research and product development programs or product launches.

                  Risks  Relating to Managing  Growth.  As a result of the Redux
launch and,  assuming  additional  proposed  product launches occur, the Company
anticipates  experiencing  a period  of rapid  growth,  which is likely to place
significant  demands on the  Company's  management,  operational,  financial and
accounting  resources.  The  Company's  intention  to  market  certain  products
directly will further  strain these  resources.  In  particular,  the Company is
co-promoting  Redux,  which  requires  the Company to maintain a sales force and
related management systems.  The Company's future success will depend in part on
whether it can expand its  operational,  financial  and  accounting  systems and
expand,  train and manage its employee base.  The Company's  inability to manage
growth  effectively  could  have a  material  adverse  effect  on the  Company's
business, financial condition and results of operations.

                  Uncertainty of Government Regulation.  The Company's research,
development  and  pre-clinical  and clinical  trials and the  manufacturing  and
marketing  of  most of its  products  are  subject  to an  extensive  regulatory
approval process by the FDA and other regulatory  agencies in the U.S. and other
countries.  The process of obtaining FDA and other required regulatory approvals
for drug and biologic  products,  including  required  preclinical  and clinical
testing,  is lengthy,  expensive and uncertain.  There can be no assurance that,
even  after  such  time and  expenditures,  the  Company  will be able to obtain
necessary  regulatory approvals for clinical testing or for the manufacturing or
marketing of any products. Even if regulatory clearance is obtained, post-market
evaluation  of the  products,  if required,  could result in  restrictions  on a
product's  marketing  or  withdrawal  of the product  from the market as well as
possible civil or criminal sanctions. In addition, the Company will be dependent
upon the manufacturers of its products, including products under development, to
maintain  compliance with current Good  Manufacturing  Practices  ("GMP") and on
laboratories  and  medical  institutions   conducting  preclinical  studies  and
clinical trials to maintain both good laboratory and good clinical

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

         (*)      A registration statement relating to those securities has been
                  filed with the  Commission  but has not yet become  effective.
                  Those securities may not be sold nor offers to buy be accepted
                  prior  to  the  time  the   registration   statement   becomes
                  effective.  This  Prospectus  shall not constitute an offer to
                  sell or the solicitation of an offer to buy nor shall there be
                  any  sales  of those  securities  in any  state in which  such
                  offer,  solicitation  or  sale  would  be  unlawful  prior  to
                  registration or qualification under the securities laws of any
                  such state.


                                      -11-





practices. There can be no assurance that GMP manufacturers capable of producing
product according to forecasts can be obtained on a timely basis, or at all, for
products under  development,  including  citicoline  and pagoclone,  which would
materially adversely affect the timing and ability to obtain regulatory approval
of these products or, if obtained,  the Company's ability to commercialize these
products.  Certain products are or are proposed to be marketed by the Company as
dietary  supplements,  such  as  Melzone,  PMS  Escape  and  the  Boston  Sports
Supplement.  There can be no assurance that the FDA will not attempt to regulate
the  products as drugs,  which  would  require the filing of NDAs and review and
approval by the FDA prior to marketing,  or otherwise  restrict the marketing of
these  products.  In  addition,  classification  of these  products  as  dietary
supplements limits the types of claims that can be made in marketing.

                  In addition to the regulatory framework for product approvals,
the Company and its  collaborative  partners may be subject to regulation  under
state and federal laws, including  requirements  regarding  occupational safety,
laboratory practices,  environmental protection and hazardous substance control,
and may be subject to other present and possible  future local,  state,  federal
and foreign regulation. The impact of such regulation upon the Company cannot be
predicted and could be material and adverse.

                  Dependence  on Others  for  Clinical  Development,  Regulatory
Approvals,  Manufacturing  and  Marketing.  The  Company  expects  to rely  upon
collaborative   partners   and  other  third   parties   for  the   development,
manufacturing and marketing of certain of its products, including products which
may be acquired in the future. The Company is therefore dependent on these third
parties  and the Company  may have  limited  control  over the  manufacture  and
commercialization  of such  products.  For example,  with respect to bucindolol,
neither the  Company nor  Intercardia  controls  the BEST Study,  which is being
conducted by the NIH and the VA, and the Company will be substantially dependent
upon Astra Merck for the commercial  success of the  twice-daily  formulation of
bucindolol in the U.S., assuming FDA approval is obtained.  In the event certain
of the  Company's  collaborative  partners or such third  parties  terminate the
related agreements or fail to manufacture or commercialize  products on a timely
basis,  in accordance  with applicable  regulations,  or otherwise,  the Company
could be  materially  adversely  affected.  Because the Company  will  generally
retain a royalty  interest in sales of products  licensed to third parties,  its
revenues may be less than if it retained  commercialization  rights and marketed
products directly. Although the Company believes that its collaborative partners
will have an economic  motivation  to  commercialize  the products that they may
license,  the  amount  and  timing  of  resources  devoted  to these  activities
generally will be controlled by each partner. There can be no assurance that the
Company  will  be  successful  in  establishing  any  additional   collaborative
arrangements,  or that any such  collaborative  partners  will be  successful in
commercializing  products or not terminate their  collaborative  agreements with
the Company.

                  Uncertainty of Patent  Position and  Proprietary  Rights.  The
Company's  success will depend to a significant  extent on its ability to obtain
and enforce  patent  protection  on its products and  technologies,  to maintain
trade secrets and to operate  without  infringing on the  proprietary  rights of
others.  There can be no  assurance  that any  Company  patents  will afford any
competitive  advantages  or will  not be  challenged  or  circumvented  by third
parties or that any pending  patent  applications  will result in patents  being
issued.  Certain  of the  Company's  patents  and  patent  applications  include
biotechnology  claims,  the patentability of which generally is highly uncertain
and involves complex legal and factual questions.  Because of the extensive time
required for development,  testing and regulatory review of a potential product,
it is possible


                                      -12-





that before a potential  product can be  commercialized,  any related patent may
expire,   or   remain  in   existence   for  only  a  short   period   following
commercialization, thus reducing any advantage of the patent.

                  The  composition  of matter patent on  dexfenfluramine  in the
U.S.  has  expired.  The use  patent on  dexfenfluramine  for the  treatment  of
abnormal carbohydrate craving,  which has been licensed to the Company,  expires
in  2000.  Competitors,   including  generic  drug  manufacturers,   may  market
dexfenfluramine in the U.S. claiming uses for obesity, assuming FDA approval can
be obtained. Thus there can be no assurance that this use patent will afford any
competitive  advantage  or will  not be  challenged  or  circumvented  by  third
parties,  although the Company  believes Redux will likely be entitled to market
exclusivity  under the Drug Price Competition and Patent Term Restoration Act of
1984  (the   "Waxman-Hatch   Act")  until  April  1999.  The  Company's  royalty
obligations  to Servier for the license of the  know-how  and  trademark  extend
beyond  the patent  expiration  date.  Subsequent  to the  expiration  of market
exclusivity  or  patent  extension  the  Company's  revenues  from  Redux may be
materially  reduced.  This royalty obligation may adversely affect the Company's
ability to compete against any then available  generic drugs that are offered at
lower prices. In addition,  the Company's  royalties from AHP are subject to 50%
reduction if generic drug competition  achieves a market share of 10% or greater
of total new Redux prescriptions in two consecutive quarters.

                  The U.S. composition of matter patent on bucindolol expires in
November  1997,  prior to the  anticipated  launch of the product.  As a result,
assuming  FDA  approval can be  obtained,  competitors,  including  generic drug
manufacturers,  may market  bucindolol,  subject to potential market exclusivity
under the  Waxman-Hatch  Act. The Company's  licensed U.S.  patent  covering the
administration  of  citicoline  to  treat  patients  afflicted  with  conditions
associated with the inadequate release of brain  acetylcholine  expires in 2003.
As described in the licensed patent, the inadequate release of acetylcholine may
be associated with several disorders,  including the behavioral and neurological
syndromes  seen after brain  traumas  and  peripheral  neuro-muscular  disorders
including  myasthenia  gravis and post-stroke  rehabilitation.  The claim of the
licensed  patent,  while being  broadly  directed to the treatment of inadequate
release of brain acetylcholine, does not specifically recite the indications for
which the investigational new drug application ("IND") has been filed.

                  The Company may conduct research on pharmaceutical or chemical
compounds or  technologies,  the patents or other rights to which may be held by
third parties.  Others have filed and in the future may file patent applications
covering  certain  products  or  technologies  that are  similar to those of the
Company.  If  products  based on such  technologies  are  commercialized  by the
Company,  they may infringe such patents or other rights,  licenses to which may
not be available to the Company.  Failure to obtain needed patents,  licenses or
proprietary information held by others may have a material adverse effect on the
Company's business. There can be no assurance that others will not independently
develop  similar  technologies  or  duplicate  any  technology  developed by the
Company or, if patents  are  issued,  successfully  design  around the  patented
aspects of any technology developed by the Company. Furthermore,  litigation may
be necessary  to enforce any patents  issued to the  Company,  to determine  the
scope and validity of the patent rights of others or in response to legal action
against the Company  claiming damages for infringement of patent rights or other
proprietary  rights or seeking to enjoin commercial  activities  relating to the
affected  product or  process.  Not only is the  outcome of any such  litigation
highly  uncertain,  but such  litigation may also result in  significant  use of
management


                                      -13-





and  financial  resources.   The  Company  believes  there  may  be  significant
litigation  in the industry  regarding  patent and other  intellectual  property
rights relating to leptin and leptin receptors;  patent applications relating to
leptin  receptors  have been  filed by  Progenitor.  The  Company  is aware that
Millennium  Pharmaceuticals,  Inc. ("Millennium") has filed a patent application
relating to a receptor for leptin and its use in obesity  applications,  and has
licensed to Hoffman-  LaRoche Inc.  rights to develop certain  therapeutics  for
obesity using Millennium's discovery of a leptin receptor.

                  Millennium  has filed a "Protest" in the United  States Patent
and Trademark Office in connection with certain Progenitor applications relating
to leptin  receptors.  A Protest is an available  procedure  sometimes used by a
third  party to provide  the  patent  examiner  who is  reviewing  the  involved
application  or  applications  with what the third party believes to be relevant
information.  The Protest procedure does not afford any right to the third party
to  participate  in the  patent  prosecution  process  beyond  the filing of its
written Protest.  Millennium's  Protest primarily argues that any claims allowed
to  Progenitor  should  not be so  broad  as to cover  Millennium's  own  leptin
receptor.

                  There   can  be  no   assurance   that   Millennium's   patent
application,  or additional patent  applications  filed by Millennium or others,
will not result in issued patents covering a leptin receptor, the leptin protein
or other ligands, or any of their respective uses, including obesity.  There can
be no assurance  that the invention by Millennium  will be accorded an invention
date later  than  Progenitor's  invention  date,  that any patent  will issue to
Progenitor or that any such patent issued to Progenitor would be broad enough to
cover leptin receptors of Millennium or others.

                  To the extent that  consultants,  key employees or other third
parties apply technological  information  independently  developed by them or by
others  to  the  Company's  proposed  products,  disputes  may  arise  as to the
proprietary rights to such information which may not be resolved in favor of the
Company.  Most of the Company's  consultants  are employed by or have consulting
agreements with third parties and any inventions  discovered by such individuals
generally  will not become  property of the  Company.  There can be no assurance
that  Company  confidentiality  agreements  will  not be  breached  or that  the
Company's  trade  secrets will not  otherwise  become known or be  independently
discovered by competitors.

                  Uncertainty Regarding  Waxman-Hatch Act. Certain provisions of
the Waxman- Hatch Act grant market  exclusivity for certain new drugs and dosage
forms. The Waxman- Hatch Act provides that a patent which claims a product,  use
or method of manufacture  covering  certain drugs and certain other products may
be extended for up to five years to  compensate  the patent holder for a portion
of the time  required for  research and FDA review of the product.  Although the
Company  has  applied  for  such  protection  for the  use  patent  relating  to
dexfenfluramine,  there can be no assurance  that it will receive an  extension.
The  Waxman-  Hatch Act also  establishes  a period of time from the date of FDA
approval of certain new drug applications during which the FDA may not accept or
approve  short-form  applications  for  generic  versions of the drug from other
sponsors,  although it may accept or approve  long-form  applications  (that is,
other complete NDAs) for such drug. Although the Company will likely be entitled
to three years of market  exclusivity  for Redux,  there can be no  assurance it
will receive  marketing  exclusivity for any other product,  such as bucindolol,
for which the  composition of matter patent expires in November 1997.  There can
be no assurance that any of the benefits of


                                      -14-





the Waxman-Hatch Act or similar foreign laws will be available to the Company or
that such laws will not be amended or repealed.

                  Risk of Product  Liability.  The use of the Company's products
in clinical  trials and the  marketing of any products may expose the Company to
substantial  product  liability  claims.  Certain  of the  Company's  agreements
require the Company to obtain specified levels of insurance coverage, naming the
other party thereto as an additional insured. There can be no assurance that the
Company will continue to be able to obtain such  insurance  coverage,  that such
insurance can be acquired in sufficient  amounts to protect the Company or other
named parties against such liability,  at a reasonable  cost, or at all, or that
any insurance obtained will cover any particular liability claim. The Company is
required to indemnify  Servier,  Boehringer and AHP against  claims,  damages or
liabilities  incurred  by any of  them  in  connection  with  the  marketing  of
dexfenfluramine under certain circumstances. The Company may also be required to
indemnify other licensors against product liability claims incurred by them as a
result of products  developed by the Company under  licenses from such entities.
In the event of an uninsured or inadequately insured product liability claim, or
in the  event  an  indemnification  claim  was made  against  the  Company,  the
Company's  business  and  financial  condition  could  be  materially  adversely
affected.

                  Risks   Relating  to  Test   Launches  of   Non-Pharmaceutical
Products.  During  1996,  the Company  commenced  a regional  test launch of PMS
Escape,  a dietary  supplement  for women with  pre-menstrual  syndrome which is
continuing to be  clinically  evaluated.  The Company also recently  commenced a
regional test launch of Melzone,  a low-dose dietary  supplement  formulation of
melatonin and may commence a test launch of Boston Sports  Supplement.  Based on
the  results  of  the  test  launches,   ongoing  clinical  evaluation  and  the
availability of sufficient funds, the Company may determine not to market any of
these  products,  to conduct  additional  testing of any of these products or to
market any of these products on a broader  scale.  There can be no assurance any
of these test launches will be successful,  or if  successful,  be predictive of
the commercial viability of any product if marketed more broadly.

                  Early Stage of Products Under Development by the Company.  The
Company is investigating  for therapeutic  potential a variety of pharmaceutical
compounds,  technologies and other products at various stages of development. In
particular,  Progenitor  and  Transcell  each are  conducting  very early  stage
research and all of their proposed products require significant further research
and development,  as well as testing and regulatory clearances,  and are subject
to the risks of failure  inherent in the  development of products or therapeutic
procedures based on innovative  technologies.  The products under development by
the Company are subject to the risk that any or all of these  proposed  products
are found to be  ineffective or unsafe,  or otherwise fail to receive  necessary
regulatory  clearances.  The  Company  is unable to predict  whether  any of its
products will be  successfully  manufactured  or marketed.  Further,  due to the
extended  testing  and  regulatory  review  process  required  before  marketing
clearance can be obtained, the time frames for commercialization of any products
or procedures are long and uncertain.

                  Competition.  Competition from other pharmaceutical companies,
biotechnology companies,  dietary supplement companies and research and academic
institutions  is intense  and  expected  to  increase.  The  Company is aware of
products and  technologies  under  development by its  competitors  that address
diseases being targeted by the Company and competitors  have developed or are in
the process of developing products or technologies that are, or in the future


                                      -15-



may be, the basis for competitive products.  Redux may be subject to substantial
competition.  Dexfenfluramine is an isomer of fenfluramine,  which is sold under
the  brand   name   Pondimin   by  AHP  for   approximately   the  same  use  as
dexfenfluramine,  although  indicated  only for  "short-term (a few weeks) use."
Although  dexfenfluramine is distinguishable from fenfluramine,  there can be no
assurance that Redux, which is higher priced than Pondimin, will achieve greater
market  acceptance  than Pondimin or any other  prescription  drug used to treat
obesity.  The Company is aware of drugs under  development  for the treatment of
obesity  including  sibutramine,  for which an affiliate of BASF AG has filed an
NDA to treat obesity. Although an FDA advisory committee has recommended against
its approval,  it has been reported that the FDA has issued an approvable letter
relating to the drug. In addition,  the Company is aware of an anti-obesity drug
for which an NDA has been filed by an  affiliate of Roche  Holdings  Ltd. and an
anti-obesity  agent by  Neurogen  Corporation.  In  addition,  other  drugs  and
technologies  relating  to the  treatment  of obesity  are in earlier  stages of
development and, due to the limited period of marketing  exclusivity,  Redux may
eventually be subject to competition from generic  versions of  dexfenfluramine.
Activase  has recently  received FDA approval as a treatment  for stroke and the
Company is aware of a number of  products in  clinical  development  pursuing an
indication for stroke which could also compete with citicoline.  In addition, if
regulatory approval is obtained,  bucindolol may compete with carvedilol,  which
is under  development  in the U.S. by SmithKline  Beecham,  for the treatment of
congestive heart failure.  An advisory committee of the FDA recommended  against
the approval of  carvedilol  to treat  congestive  heart  failure,  although the
Company believes  SmithKline  Beecham is continuing to seek to gain FDA approval
for the drug and another advisory  committee is scheduled  to review  carvedilol
on February 27,  1997.  In  addition,  Melzone  will compete with a  substantial
number of available  melatonin dietary  supplement  products and PMS Escape will
compete  with a number of  products  for use by women  during the  pre-menstrual
period.

                  Many companies in the  pharmaceutical  and dietary  supplement
industries  have  substantially  greater  financial  resources  and  development
capabilities  than the  Company and have  substantially  greater  experience  in
undertaking  preclinical and clinical testing of products,  obtaining regulatory
approvals and  manufacturing  and marketing  products.  In addition to competing
with  universities  and  other  research  institutions  in  the  development  of
products,  technologies  and  processes,  the  Company  may  compete  with other
companies  in  acquiring  rights to  products or  technologies.  There can be no
assurance  that the Company will  develop  products  that are more  effective or
achieve  greater  market  acceptance  than  competitive  products,  or that  the
Company's  competitors will not succeed in developing  products and technologies
that are safer or more effective or less expensive than those being developed by
the Company or that would render the Company's  products and  technologies  less
competitive or obsolete.

                  Dependence Upon Key Personnel and Consultants.  The Company is
dependent on certain executive  officers and scientific  personnel.  The Company
has key person life  insurance  policies on the lives of Glenn L. Cooper,  M.D.,
Richard Wurtman, M.D. and Lindsay A. Rosenwald,  M.D. Drs. Wurtman and Rosenwald
devote only a portion of their time to the Company's business. In addition,  the
Company is dependent upon certain executive officers or scientific  personnel of
the subsidiaries,  each of which has separate management who are responsible, to
a large extent, for the day-to-day operations and the strategic direction of the
respective   subsidiary.   In  addition,   the  Company  relies  on  independent
consultants to design and supervise clinical trials and assist in preparation of
FDA submissions.

                  Competition for qualified  employees among  pharmaceutical and
biotechnology  companies is intense,  and the loss of any of such persons, or an
inability to attract, retain and


                                      -16-





motivate  additional  highly  skilled  employees,  could  adversely  affect  the
Company's  business and  prospects.  There can be no assurance  that the Company
will be able to retain its existing personnel or to attract additional qualified
employees.


                  Uncertainty    Regarding     Pharmaceutical     Pricing    and
Reimbursement.  The  Company's  business  will be  affected  by the  efforts  of
governmental  and  third-party  payors to  contain  or reduce the cost of health
care.  There have been, and the Company  anticipates that there will continue to
be, a number of proposals to  implement  government  control over the pricing or
profitability of prescription pharmaceuticals,  as is currently the case in many
foreign  markets.  The  announcement or adoption of such proposals could have an
adverse  effect  on  the  Company.   Furthermore,   the  Company's   ability  to
commercialize  its products  may be  adversely  affected to the extent that such
proposals have a material  adverse effect on the business,  financial  condition
and  profitability of companies that are prospective  collaborative  partners of
the Company.  Successful  commercialization  of many of the Company's  products,
including Redux, may depend on the availability of reimbursement for the cost of
such products and related treatment from third-party health care payors, such as
the government,  private insurance plans and managed care  organizations.  There
can be no assurance that such reimbursement will be available.  Such third-party
payors are increasingly challenging the price of medical products and services.

                  Control by Present Stockholders; Anti-Takeover Provisions. The
officers,  directors  and  principal  stockholders  of  the  Company  (including
individuals  or  entities  related  to  such   stockholders)   beneficially  own
approximately 45% of the Company's outstanding Common Stock. Accordingly,  these
officers,  directors and stockholders may have the ability to exert  significant
influence over the election of the Company's Board of Directors and to determine
corporate actions requiring stockholder approval.

                  The Board of  Directors  has the  authority,  without  further
approval of the Company's stockholders, to fix the rights and preferences of and
to issue shares of  preferred  stock.  Further,  the Servier  Agreements  may be
terminated in the event of any  acquisition  by a new party (other than existing
stockholders or their affiliates as of the date of the Servier  Agreements) of a
20% beneficial  interest in the Company.  In addition,  Ferrer may terminate the
Ferrer  Agreements  in the event an  unaffiliated  third party  acquires  50% of
Interneuron's  Common Stock. The preferred stock held by AHP provides that AHP's
consent  is  required  prior  to  the  merger  of  the  Company,   the  sale  of
substantially  all of the  Company's  assets or certain other  transactions.  In
addition,   outstanding  options  under  the  Option  Plans  become  immediately
exercisable  upon  certain  changes  in  control of the  Company.  In  addition,
Delaware  corporate law imposes  limitations on certain  business  combinations.
These provisions could, under certain circumstances, have the effect of delaying
or  preventing  a change in  control  of the  Company  and,  accordingly,  could
adversely affect the price of the Company's Common Stock.

                  No Dividends.  The Company has not paid any cash  dividends on
its Common Stock since inception and does not expect to do so in the foreseeable
future. Any dividends will be subject to the preferential cumulative dividend of
$0.1253  per  share and $1.00 per  share  payable  on the  outstanding  Series B
Preferred  Stock and Series C  Preferred  Stock,  respectively,  held by AHP and
dividends payable on any other preferred stock issued by the Company.



                                      -17-





                  Possible  Volatility  of Stock  Price.  The market  prices for
securities of emerging growth companies have  historically been highly volatile.
Future  announcements  concerning  the  Company or its  subsidiaries,  including
Intercardia,  which is publicly traded, or the Company's competitors,  including
the  results  of testing  and  clinical  trials,  technological  innovations  or
competitive   products,   government   regulations,    developments   concerning
proprietary  rights,  litigation,  the Company's results of operations or public
concern as to the safety or commercial value of the Company's products, may have
a significant impact on the market price of the Company's Common Stock.

                  Shares Eligible for Future Sale;  Registration  Rights.  As of
January  23,  1997,   approximately  41,073,297  shares  of  Common  Stock  were
outstanding.  Of these shares,  approximately 19,000,000 are owned by affiliates
(or individuals or entities who may be deemed  affiliates) of the Company or are
"restricted  securities"  within the meaning of Rule 144.  Substantially  all of
these shares are eligible for sale under Rule 144. In general, under Rule 144 as
currently  in  effect,  a person  (or  persons  whose  shares  are  aggregated),
including  persons who may be deemed to be  "affiliates"  of the Company as that
term is defined under the Act, is entitled to sell within any three-month period
a number of  restricted  shares  beneficially  owned for at least two years that
does not exceed the greater of (i) one percent of the then outstanding shares of
Common  Stock,  or (ii) the average  weekly  trading  volume in the Common Stock
during the four calendar  weeks  preceding  such sale.  Sales under Rule 144 are
also subject to certain  requirements  as to the manner of sale,  notice and the
availability of current public information about the Company.  However, a person
who is not an  affiliate  and has  beneficially  owned such  shares for at least
three  years is entitled  to sell such  shares  without  regard to the volume or
other requirements.

                  One  stockholder  of the  Company  has demand  and  piggy-back
registration  rights which have been waived in  connection  with this  offering,
relating to 622,222 shares of Common Stock issuable upon conversion of preferred
stock. Two other stockholders of the Company have piggy-back registration rights
until March 1997 relating to an aggregate of  approximately  1,330,000 shares of
Common Stock,  which rights have been waived in connection  with this  offering.
Certain Selling  Stockholders  entitled to receive  additional  shares of Common
Stock in December 1997 with a market value of $1,200,000 at the time of issuance
have registration rights in January 1998 relating to the resale of those shares.
In the event up to a maximum of  2,181,250  shares of Common Stock are issued in
June 1998 pursuant to certain put protection rights, holders of such shares will
have registration rights at that time.

                  In  addition  to the  registration  statement  of  which  this
Prospectus forms a part, the Company has outstanding  registration statements on
Form S-3  relating  to the  resale of  shares  of  Common  Stock and on Form S-8
relating to its 1989 Stock Option Plan,  1994  Long-Term  Incentive Plan and its
1995 Stock Purchase Plan (the "Plans").

                  Outstanding  Options and  Warrants.  As of December  31, 1996,
approximately  5,700,000  shares of Common Stock were  issuable upon exercise of
outstanding options and warrants. In addition,  the Company is required to issue
additional shares of Common Stock in connection with technology acquisitions and
may issue additional shares if certain put protection  rights are exercised.  To
the extent such shares are issued,  the interest of holders of Common Stock will
be diluted.



                                      -18-






                                 USE OF PROCEEDS

                  The Company will not receive any proceeds from the sale of the
Shares  by the  Selling  Stockholders.  In the  event  that all of the  warrants
exercisable  for Shares offered hereby are exercised,  the Company would receive
proceeds of approximately $5,000,000.  Holders of the warrants are not obligated
to  exercise  their  warrants  and there can be no  assurance  that  holders  of
warrants will choose to exercise all or any of the warrants.

                  The  Company  will use  proceeds  received  upon  exercise  of
warrants,  if any,  for working  capital.  The Company may also use  proceeds to
acquire rights to new products and technologies.

                              SELLING STOCKHOLDERS

         The  following  table sets forth the names of each Selling  Stockholder
and for each, the number of Shares beneficially owned at the commencement of the
offering,  and the  number of Shares  offered  for  sale,  based on  information
provided  to the  Company  by such  Selling  Stockholders.  The Shares are being
registered to permit  public  secondary  trading of the Shares,  and the Selling
Stockholders  may offer all or any portion of the Shares for resale from time to
time. See "Plan of Distribution."

         The Company has filed with the Commission  under the Act a Registration
Statement on Form S-3, of which this  Prospectus  forms a part,  with respect to
the resale of the Shares.  The Company has agreed,  among other things,  to bear
certain  expenses in  connection  with the  registration  and sale of the Shares
being offered by the Selling Stockholders. See "Plan of Distribution."

         None of the  Selling  Stockholders  are  officers or  directors  of the
Company.  Reliance Insurance Company ("Reliance")  acquired 1,000,000 Shares and
500,000  warrants in June 1995 directly from the Company in a private  placement
pursuant to a Securities  Purchase  Agreement.  See "Description of Securities -
Reliance  Warrants." Of the Shares  purchased by Reliance,  300,000  Shares were
transferred to Deutsche Bank A.G., a Selling Stockholder. In connection with the
private placement to Reliance,  Paramount  Capital,  Inc., an investment banking
firm  controlled  by Lindsay  Rosenwald,  M.D.  the  Chairman of the Board and a
principal stockholder of the Company, acted as placement agent. The Company paid
Paramount cash compensation of $300,000 and granted to a designee and officer of
Paramount warrants to purchase 50,000 shares of Common Stock. Reliance,  through
its Reliance National division,  has in the past issued a directors and officers
insurance policy for the Company.

         With the  exception  of  Reliance  and  Deutsche  Bank A.G.,  the other
Selling  Stockholders  are  stockholders of AVAX  Technologies,  Inc.  (formerly
Walden  Laboratories,  Inc.) ("AVAX") who received an aggregate of 55,422 Shares
upon the distribution of the first  installment of the purchase price,  pursuant
to an Asset  Purchase  Agreement  entered into in November  1995 relating to the
purchase by  InterNutria  from AVAX of  technology  underlying  PMS Escape.  The
aggregate purchase price was $2,400,000, payable in shares of Interneuron Common
Stock having an aggregate  market value of  $1,200,000  in each of December 1996
and December 1997. Dr.  Rosenwald and certain other  directors of Interneuron or
its  subsidiaries  are or were  stockholders  of AVAX,  but did not and will not
receive any Shares in connection with this


                                      -19-





acquisition. With the exception of Reliance, which beneficially owns 2.9% of the
Common Stock before this Offering, all of the Selling Stockholders  beneficially
own less than 1% of the Common Stock.

<TABLE>
<CAPTION>


                                                Number of Shares
                                                Beneficially Owned                      Number of Shares
Selling Stockholders                           Prior to Offering(1)                      Being Offered
- --------------------                           --------------------                      -------------

<S>                                                 <C>                                  <C>         
Reliance Insurance Company                          1,200,000(2)                         1,200,000(2)
Deutsche Bank A.G.                                    300,000                              300,000
C.R. Alexander TTEE U/A
     9-4-79                                            12,063                                2,063
William T. Anderson                                     3,615                                  515
Richard A. Armstrong                                      515                                  515
Jan Arnett, M.D.                                       77,764                                5,164
Jack T. Badgett                                           515                                  515
Arthur J. Benvenuto TTEE
     Under Revocable Trust
     dated 1-25-82                                        515                                  515
John A. Cleary                                          1,031                                1,031
Craig M. Cole                                          25,515                                  515
Robert C. Della Rocca, M.D. TTEE
     F/B/O Profit Sharing for New
     York Eye Plastic and

Edgewater Private
     Equity Fund, L.P.                                  5,164                                5,164
Joseph A. Fabiani                                       2,731                                1,031
Henry A. Fish                                             515                                  515
Michael J. Garnick                                     45,063                                2,063
William A. Gooch                                          515                                  515
Mark Goodman                                              515                                  515
John I. Gulick, Trustee
     FBO Gulick Family Trust
     Dated 7/6/94                                         515                                  515
James D. Judd, M.D.                                    13,015                                  515
Daniel Kessel, M.D.                                       515                                  515
Ida Kessel                                             25,515                                  515
Lawrence J. Kessel                                        515                                  515
Shirley Keys                                           15,515                                  515
Gerard A. LaFlamme                                        515                                  515
Harbans Lal                                            12,015                                  515
J. Allen Lamb                                           1,031                                1,031
Roger S. Lash                                           4,031                                1,031
Shirley K. Lavine                                      15,515                                  515
Gregory S. Lenchner                                     1,031                                1,031



                                      -20-




                                                 Number of Shares
                                                Beneficially Owned                      Number of Shares
Selling Stockholders                             Prior to Offering                       Being Offered
- --------------------                             -----------------                       -------------

Richard M. Mandell                                     12,515                                  515
Dayne Myers                                             2,302                                2,302
NF Nordiska Fondkimmission AB                           5,164                                5,164
Henry Platt                                            36,515                                  515
Richard H. Pollak                                       8,031                                1,031
Jerry L. Ruyan                                          1,031                                1,031
Ravi Sapra                                              1,031                                1,031
Richard Scheffel                                          515                                  515
A. Robert Schell, M.D.                                  5,815                                  515
Joseph Schrodt                                          5,164                                5,164
Scott Sherman and Monique
   Sherman, JTROS                                         515                                  515
J. Edward Shrawder                                      7,015                                  515
Martin Sirotkin                                           515                                  515
Carol T. Smith                                            515                                  515
Win C. Smith Oldsmobile-
   Cadillac GMC, Inc.                                  24,481                                1,031
Maynard Sundman                                         2,031                                1,031
Rick Sundman                                            1,031                                1,031
Herman Tauber                                           1,031                                1,031
Unique Warranties/c/o  Brad T. Smith,
   General Partner                                      1,515                                  515
Paul J. Weir                                           10,831                                1,031
Lester O. Wuerfl Jr. Trust,
   Barbara W. Wuerfl,
   Patricia O'Brien, Co-TTEES                           5,515                                  515
C. Barry Zolot                                            515                                  515
                                                                                     -------------
                                               TOTAL:                                    1,555,422

</TABLE>

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

(1)      Based on information provided by the Selling Stockholders.
(2)      Includes 500,000 Shares issuable upon exercise of warrants.
(3)      Includes 3,950 Shares owned by affiliates of Dr. Della Rocca.




                                      -21-





                              PLAN OF DISTRIBUTION

         The Company has been  advised  that the Selling  Stockholders  may sell
Shares from time to time in  transactions  on the Nasdaq  National  Market or on
other  exchanges  on which the  Shares may be  traded,  in the  over-the-counter
market, in negotiated transactions, through the writing of options on the Shares
or a combination  of such methods of sale, or through other means.  Sales may be
effected at fixed prices which may be changed,  at market  prices  prevailing at
the time of sale,  at prices  related  to such  prevailing  market  prices or at
negotiated prices.

         The Selling  Stockholders  may effect such  transactions by selling the
Shares  to or  through  broker-dealers,  and  such  broker-dealers  may  receive
compensation  in the form of  discounts,  concessions  or  commissions  from the
Selling   Stockholders   or  the   purchasers   of  the  Shares  for  whom  such
broker-dealers  may act as  agent or to whom  they  sell as  principal,  or both
(which  compensation  to a  particular  broker-dealer  might  be  in  excess  of
customary  commissions).  The Selling  Stockholders  and any  broker-dealers  or
agents who participate in the  distribution of Shares hereunder may be deemed to
be  "underwriters"  as that  term is  defined  in the Act,  and any  commissions
received  by them and profit on any resale of the Shares as  principal  might be
deemed to be underwriting discounts and commissions under the Act.

         The Company has been advised that (i) Deutsche  Bank,  A.G., one of the
Selling  Stockholders,  is affiliated  with several NASD member firms  including
Deutsche Morgan  Grenfell Inc.  ("DMG");  (ii) DMG has engaged in  market-making
activities  with respect to the Company's  securities;  and (iii) Deutsche Bank,
A.G. and its subsidiaries or affiliates have, from time to time, made and may in
the future make, purchases and sales of the Company's securities, including with
NASD member firms.

         The  Company  has  agreed  to  pay  the  expenses  of  registration  in
connection with this Offering and to indemnify the Selling  Stockholders against
certain liabilities, including certain liabilities under the Act.

         At the  time a  particular  offer of  Shares  is  made,  to the  extent
required,  a  supplement  to this  Prospectus  will be  distributed  which  will
identify  and set forth the  aggregate  amount of Shares  being  offered and the
terms of the offering.

         The Selling  Stockholders  are not restricted as to the price or prices
at which they may sell their  Shares.  Sales of Shares  may  depress  the market
price of the Company's  Common Stock.  The Selling  Stockholders  are subject to
applicable  provisions  of the  Exchange  Act  and  the  rules  and  regulations
thereunder,  including  without  limitation  rules  10b-6 and 10b-7 or, upon its
effectiveness,  Regulation M, which provisions may limit the timing of purchases
and sales of the Shares by the Selling Stockholders.

         In order to comply with certain states' securities laws, if applicable,
the Shares may be sold in such jurisdictions only through registered or licensed
brokers  or  dealers.  In certain  states the Shares may not be sold  unless the
Shares have been  registered or qualified  for sale in such state,  or unless an
exemption from registration or qualification is available and is obtained.




                                      -22-





                            DESCRIPTION OF SECURITIES

Common Stock
- ------------

         The Company is authorized  to issue up to  60,000,000  shares of Common
Stock,  $.001 par value. At January 23, 1997,  there were  41,073,297  shares of
Common  Stock  outstanding.  Holders of Common Stock are entitled to one vote at
all  meetings  of  stockholders  for each share held by them.  Holders of Common
Stock  have no  preemptive  rights  and have no other  rights to  subscribe  for
additional  shares or any conversion  right or right of  redemption.  Holders of
Common Stock are  entitled to receive  such  dividends as may be declared by the
Board of  Directors  out of funds  legally  available  therefor.  Subject to the
rights of holders of Preferred Stock, if any, upon liquidation, all such holders
are entitled to participate pro rata in the assets of the Company  available for
distribution.  All of the outstanding shares of Common Stock are, and the shares
to be issued hereby will be, when issued, fully paid and nonassessable.

Preferred Stock
- ---------------

         The Certificate of Incorporation of the Company authorizes the issuance
of  5,000,000  shares of Preferred  Stock.  The Board of  Directors,  within the
limitations and restrictions  contained in the Certificate of Incorporation  and
without further action by the Company's stockholders, has the authority to issue
Preferred Stock from time to time in one or more series and to fix the number of
shares and the relative rights,  conversion  rights,  voting rights,  rights and
terms of redemption,  liquidation preferences and any other preferences, special
rights and  qualifications of any such series. To the extent shares of Preferred
Stock with voting rights are issued,  such issuance affects the voting rights of
the  holders  of  the  Company's  Common  Stock  by  increasing  the  number  of
outstanding shares entitled to vote and, if applicable, by the creation of class
or series voting rights. In addition,  while the issuance of Preferred Stock can
provide   flexibility  in  connection  with  acquisitions  and  other  corporate
purposes,  any issuance of Preferred Stock could,  under certain  circumstances,
have the effect of delaying or preventing a change in control of the Company and
may  adversely  affect the rights of  holders  of Common  Stock.  Other than the
Series B and Series C Preferred Stock issued and additional  shares of preferred
stock which may be issued to AHP, the Company has no agreements or  arrangements
to issue any shares of Preferred  Stock or to establish or designate  any series
of Preferred Stock.

         In November 1992, the Company sold 239,425 shares of Series B Preferred
Stock to AHP pursuant to the AHP Agreements  for an aggregate  purchase price of
$3,000,000.  In June 1993,  the Company  sold 5,000 shares of Series C Preferred
Stock to AHP for an aggregate purchase price of $500,000.  Holders of the Series
B and Series C Preferred Stock are entitled to vote on all matters  submitted to
a vote of stockholders generally, other than the election of directors,  holding
the number of votes equal to the number of shares of Common Stock into which the
Preferred Stock is then convertible.  The shares of Series B Preferred Stock and
the Series C Preferred Stock are convertible into an aggregate of 622,222 shares
of Common  Stock,  subject to  adjustment.  Holders of the Series B and Series C
Preferred Stock are entitled to receive out of funds legally available therefor,
mandatory dividends of $0.1253 and $1.00 per share, respectively, payable at the
election  of the Company in cash or Common  Stock.  Such  dividends  are payable
annually on April 1 of each year, accrue on a daily basis and are cumulative. In
the event of any liquidation,  distribution or sale of all or substantially  all
of the assets, dissolution or winding up of the Company, the holders of Series B
and Series C Preferred



                                      -23-





Stock shall be entitled  to receive a  preference  of $12.53 and $100 per share,
respectively,  plus cumulated and unpaid  dividends,  over the holders of Common
Shares and any other  shares,  other than any other  series of  Preferred  Stock
which may be issued to AHP under the AHP Agreements  which rank on a parity with
the Series B and C Preferred Stock.

         The AHP Agreements  provide for the potential sale to AHP of $3,500,000
(35,000  shares) of Series E  Preferred  Stock ( the  "Additional  Series"),  if
dexfenfluramine  is descheduled  by April 29, 1997.  The Additional  Series will
contain  terms  substantially  similar to those of the Series C Preferred  Stock
except that each share of any  Additional  Series will be  convertible  into the
number of shares of Common  Stock  obtained by dividing  $100 by the  conversion
price  as then  determined.  The  initial  conversion  price  for the  Series  E
Preferred Stock will be 150% of the market price of the Common Stock for 10 days
preceding  the  descheduling  of  dexfenfluramine,  subject to the  antidilution
adjustments. Holders of the Additional Series are entitled to dividends of $1.00
per share and a liquidation  preference of $100 per share on the terms described
above.

         Until  the date AHP  ceases to be the  registered  holder of all of the
outstanding  Preferred  Stock of at least  one  series,  the  Company  will not,
without the approval of the majority of the outstanding  shares of all series of
Preferred Stock issued to AHP, (i) issue shares of stock having a preference or,
except shares  issued to AHP,  ranking pari passu with the  outstanding  series;
(ii)  reclassify any shares of stock to shares having a preference over any such
series;  (iii) make any amendment to its Certificate of Incorporation or by-laws
adversely  affecting  the  rights  of  holders  of such  series;  (iv)  merge or
consolidate with any entity or sell or otherwise dispose of all or substantially
all of its  assets or  liquidate,  dissolve,  recapitalize  or  reorganize;  (v)
repurchase or redeem any shares of its Common Stock;  (vi) pay dividends or make
any other  distribution  on any  Common  Stock,  except a  distribution  payable
entirely  in Common  Stock,  unless at the same  time,  a payment is made to the
holder of such series equal to the amount the holder would have been entitled to
had such holder  converted its Series B and Series C Preferred Stock into Common
Stock;  or  (vii)  guarantee  any  indebtedness  of any  third  party,  except a
subsidiary.

Reliance Warrants
- -----------------

         The warrants held by Reliance  were issued under a Securities  Purchase
Agreement  between the Company and Reliance dated June 2, 1995. The Warrants are
exercisable  until 5:00 p.m. on June 1, 2002 at an exercise  price of $10.00 per
share, subject to adjustment. Under the Securities Purchase Agreement,  Reliance
has  demand  and  "piggy-back"   registration  rights  relating  to  the  Shares
underlying the warrants. See "Shares Eligible for Future Sale."

Subsidiary Financing Warrants and Put Protection Rights
- -------------------------------------------------------

         In connection  with certain  private  placements  by the  Subsidiaries,
Interneuron  issued to the  investors  (i)  three-year  warrants  to purchase an
aggregate  of 218,125  shares of Common  Stock and (ii)  rights to sell  varying
amounts  of  investors'  convertible  preferred  stock  in the  Subsidiaries  to
Interneuron (the "Put Protection  Rights") in exchange for shares of Interneuron
Common Stock in the event certain conditions (including a public offering by the
applicable  subsidiary)  are not met by June 30,  1998.  The  shares  underlying
certain of these  warrants  were  registered  for  resale in March 1996 and,  at
December 31, 1996, 41,250 of such warrants remained outstanding. At December 31,
1996, a maximum of 2,181,250 shares may be issued



                                      -24-





upon exercise of the Put  Protection  Rights (if  Interneuron's  Common Stock is
$2.00 or less at the time of exercise).

Business Combination Provisions
- -------------------------------

         The  Business  Combination   provision  contained  in  Section  203  of
Delaware's  General  Corporation  Law  ("Section  203")  defines  an  interested
shareholder as any person that (i) owns, directly or indirectly,  15% or more of
the  outstanding  voting  stock of the  corporation  or (ii) is an  affiliate or
associate of the corporation and was the owner of 15% or more of the outstanding
voting stock at any time within the three-year  period  immediately prior to the
date on which it is sought to be determined whether such person is an interested
shareholder; and the affiliates and the associates of such person. Under Section
203, a resident domestic  corporation may not engage in any business combination
with any interested  shareholder  for a period of three years following the date
such shareholder became an interested shareholder, unless (i) prior to such date
the  board  of  directors  of  the  corporation  approved  either  the  business
combination or the  transaction  which resulted in the  shareholder  becoming an
interested  shareholder  or (ii)  upon  consummation  of the  transaction  which
resulted in the shareholder becoming an interested  shareholder,  the interested
shareholder  owned  at  least  85%  of  the  voting  stock  of  the  corporation
outstanding at the time the transaction commenced (excluding for determining the
number of shares  outstanding  (a) shares owned by persons who are directors and
officers and (b)  employee  stock plans,  in certain  instances)  or (iii) on or
subsequent  to such date the  business  combination  is approved by the board of
directors and authorized at an annual or special  meeting of  shareholders by at
least 66% of the  affirmative  voting stock which is not owned by the interested
shareholder.  The Company did not "elect-out" of the statute and, therefore, the
restrictions imposed by Section 203 apply to the Company.

Transfer Agent and Registrar
- ----------------------------

         American Stock Transfer & Trust Company,  New York, New York, serves as
transfer agent and registrar for the Company's Common Stock.

Shares Eligible for Future Sale
- -------------------------------

         At January 23, 1997, the Company had 41,073,297  shares of Common Stock
outstanding.  Of these shares,  approximately 19,000,000 are owned by affiliates
(or individuals or entities that may be deemed affiliates) of the Company or are
"restricted  securities"  within the meaning of Rule 144.  Substantially  all of
these shares are eligible for sale under Rule 144. In general, under Rule 144 as
currently  in  effect,  a person  (or  persons  whose  shares  are  aggregated),
including  persons who may be deemed to be  "affiliates"  of the Company as that
term is defined under the Act, is entitled to sell within any three-month period
a number of  restricted  shares  beneficially  owned for at least two years that
does not exceed the greater of (i) one percent of the then outstanding shares of
Common  Stock,  or (ii) the average  weekly  trading  volume in the Common Stock
during the four calendar  weeks  preceding  such sale.  Sales under Rule 144 are
also subject to certain  requirements  as to the manner of sale,  notice and the
availability of current public information about the Company.  However, a person
who is not an  affiliate  and has  beneficially  owned such  shares for at least
three  years is entitled  to sell such  shares  without  regard to the volume or
other requirements.


                                      -25-





                  The   Selling   Stockholders   have   demand  and   piggy-back
registration rights relating to their Shares, including the shares issuable upon
exercise  of the  Warrants.  Another  stockholder  of the Company has demand and
piggy-back  registration  rights, which have been waived in connection with this
offering, relating to 622,222 shares of Common Stock issuable upon conversion of
preferred stock.  Certain Selling  Stockholders  entitled to receive  additional
shares of Common  Stock to be issued  in  December  1997 with a market  value of
$1,200,000  at the time of issuance  have  registration  rights in January  1998
relating  to the  resale  of  those  shares.  In the  event up to a  maximum  of
2,181,250  shares of  Common  Stock are  issued  in June  1998  pursuant  to Put
Protection Rights,  holders of such shares will have registration rights at that
time. Two other stockholders of the Company have piggy-back  registration rights
until March 1997 relating to an aggregate of  approximately  1,330,000 shares of
Common Stock, which rights have been waived in connection with this offering.

                  In  addition  to the  registration  statement  of  which  this
Prospectus forms a part, the Company has outstanding  registration statements on
Form S-3 relating to the resale by other  stockholders  of the Company of shares
of Common Stock and on Form S-8 relating to its Plans in order to permit holders
of options and shares issued pursuant to the Plans, other than affiliates of the
Company, to sell, without restriction, shares of Common Stock issued pursuant to
the Plans.



                                      -26-





                                  LEGAL MATTERS

         The validity of the securities offered hereby have been passed upon for
the  Company by Bachner,  Tally,  Polevoy & Misher LLP,  New York,  New York.  A
member of Bachner,  Tally,  Polevoy & Misher LLP,  who is the  secretary  of the
Company, owns approximately 17,000 shares of Common Stock.


                                     EXPERTS

         The  consolidated  balance sheets as of September 30, 1996 and 1995 and
the consolidated  statements of operations,  cash flows and stockholders' equity
for each of the three years in the period ended September 30, 1996, incorporated
by reference in this registration  statement,  have been incorporated  herein in
reliance  on the report of Coopers & Lybrand  L.L.P.,  independent  accountants,
given on the authority of that firm as experts in accounting and auditing.



                                      -27-




         No dealer, salesman 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  Offering  herein  contained,  and, if given or made,  such
information or representation  must not be relied upon as having been authorized
by the Company or any underwriter.  This Prospectus does not constitute an offer
to sell or a  solicitation  of any  offer to buy any of the  securities  offered
hereby in any  jurisdiction to any person to whom it is unlawful to make such an
offer  or  solicitation  in such  jurisdiction.  Neither  the  delivery  of this
Prospectus  nor any sale  hereunder  shall  under any  circumstances  create any
implication  that there has been no change in the affairs of the  Company  since
any of the dates as of which  information is furnished  herein or since the date
hereof.



                                                 TABLE OF CONTENTS

                                                                            Page

Available Information..........................................................2
Incorporation of Certain Documents by Reference................................2
Prospectus Summary.............................................................4
Risk Factors...................................................................7
Use of Proceeds...............................................................19
Selling Stockholders..........................................................19
Plan of Distribution..........................................................22
Description of Securities.....................................................23
Legal Matters.................................................................27
Experts.......................................................................27




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