INTERFERON SCIENCES INC
S-3/A, 1997-09-08
BIOLOGICAL PRODUCTS, (NO DIAGNOSTIC SUBSTANCES)
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     As filed with the Securities  and Exchange  Commission on September 8, 1997
                                                      Registration No. 333-34203


                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549


                                 AMENDMENT NO. 1
                                       TO
                                    FORM S-3
                             REGISTRATION STATEMENT
                                      Under
                           THE SECURITIES ACT OF 1933


                            INTERFERON SCIENCES, INC.
             (Exact name of registrant as specified in its charter)

                     DELAWARE                       22-2313648
           (State or other jurisdiction          (I.R.S. Employer
        of incorporation or organization)         Identification
                                                     Number)

                                783 Jersey Avenue
                         New Brunswick, New Jersey 08901
                                 (908) 249-3250
               (Address, including zip code, and telephone number,
        including area code, of registrant's principal executive offices)

                            LAWRENCE M. GORDON, ESQ.
                             Chief Executive Officer
                            Interferon Sciences, Inc.
                               9 West 57th Street
                            New York, New York 10019
                                 (212) 230-9513
            (Name, address, including zip code, and telephone number,
                   including area code, of agent for service)

                                   Copies to:

                             ROBERT J. HASDAY, ESQ.
                            Duane, Morris & Heckscher
                                   Suite 3300
                              122 East 42nd Street
                            New York, New York 10168
                                 (212) 692-1010

<PAGE>

    Approximate date of commencement of proposed sale to the public:  As soon as
practicable after the effective date of this Registration Statement.
    If the only  securities  being  registered  on this Form are  being  offered
pursuant to dividend or interest  reinvestment plans, please check the following
box. [ ]

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

<TABLE>
                         CALCULATION OF REGISTRATION FEE
     ===========================================================================
<CAPTION>
                                                   Proposed        Proposed 
     Title of Each             Amount to be        Maximum         Maximum  
     Class of Securities       Registered       Offering Price    Aggregate       Amount of
     to be Registered                              per Share   Offering  Price  Registration Fee
     ===========================================================================
     ---------------------------------------------------------------------------
     Common  Stock, par value
<S>  <C>                       <C>                  <C>         <C>               <C>         
     $.01 per  share           2,188,433 shares(1)  $7.22(2)    $15,800,486(2)    $4,788.03(3)
     --------------------------------------------------------------------------------
     ================================================================================
     Common   Stock, par value
     $.01  per  share            900,000 shares     $7.57(4)     $6,813,000(4)    $2,064.55
     ===========================================================================================
</TABLE>

(1)  Includes  96,833  shares of Common  Stock  issuable  upon the  exercise  of
     options.  There is also registered hereunder such indeterminate  additional
     number of shares of Common  Stock as may become  issuable  pursuant  to the
     anti-dilution provisions of such options.
(2)  Estimated  solely for the purpose of calculating the registration fee based
     on the average of the high and low prices of the Common Stock on August 20,
     1997 as reported by NASDAQ, pursuant to Rule 457(c).
(3)  Previously paid.
(4)  Estimated  solely for the purpose of calculating the registration fee based
     on the average of the high and low prices of the Common Stock on August 29,
     1997 as reported by NASDAQ, pursuant to Rule 457(c).



The Registrant hereby amends this  Registration  Statement on such date or dates
as may be necessary to delay its effective date until the Registrant  shall file
a further amendment which specifically  states that this Registration  Statement
shall  thereafter  become  effective  in  accordance  with  Section  8(a) of the
Securities  Act of  1933  or  until  the  Registration  Statement  shall  become
effective on such date as the Commission,  acting pursuant to said Section 8(a),
may determine.


<PAGE>


     INFORMATION  CONTAINED  HEREIN IS SUBJECT TO  COMPLETION  OR  AMENDMENT.  A
REGISTRATION  STATEMENT  RELATING  TO THESE  SECURITIES  HAS BEEN FILED WITH THE
SECURITIES  AND EXCHANGE  COMMISSION.  THESE  SECURITIES MAY NOT BE SOLD NOR MAY
OFFERS TO BY 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 SALE OF THESE  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.

                 Subject to Completion, Dated September 8, 1997

PROSPECTUS

                            Interferon Sciences, Inc.
                        3,088,433 Shares Of Common Stock

         900,000  shares of Common Stock,  par value $.01 per share (the "Common
Stock"), of Interferon  Sciences,  Inc., a Delaware corporation (the "Company"),
being offered hereby are being sold by the Company.  Such shares of Common Stock
may  be  sold  (i)  through  underwriting  syndicates  represented  by  managing
underwriters  or by  underwriters  without  a  syndicate,  (ii)  through  agents
designated from time to time, or (iii) directly by the Company. If any agents of
the Company or any underwriters are involved in the sale of the shares of Common
Stock  offered  hereby,  the  names  of  such  agents  or  underwriters  and any
applicable  discounts or  commissions  with respect to such Common Stock will be
set forth in a  Prospectus  Supplement  to be  delivered at the time of any such
offering ( a "Prospectus  Supplement"),  to the extent  required.  The shares of
Common Stock may be sold 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.  To the extent required,  the number of shares
being sold, the purchase price,  the public offering price,  the proceeds to the
Company,  and the  other  terms  of the  offering  will  also be set  forth in a
Prospectus Supplement. See "Plan of Distribution."

         An additional  2,188,433  shares of Common Stock being offering  hereby
are  being  sold  by  certain   stockholders   of  the  Company  (the   "Selling
Stockholders").  The Company will not receive any proceeds  from the sale of the
shares by the Selling Stockholders. See "Selling Stockholders".

         The Common Stock is quoted on the NASDAQ  National  Market System under
the symbol  "IFSC." On September 5, 1997,  the last  reported  sale price of the
Common Stock on the NASDAQ National Market System was $8 7/8 per share.

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


     INVESTMENT IN THE SHARES OFFERED HEREBY INVOLVES A HIGH DEGREE OF RISK.
                      SEE "RISK FACTORS" ON PAGES 3-11 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 September __, 1997


<PAGE>


                              AVAILABLE INFORMATION

         The  Prospectus  omits  certain  of the  information  contained  in the
Registration  Statement  relating to the  securities  offered hereby which is on
file with the Securities and Exchange Commission (the "Commission"). 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
periodic reports,  proxy statements,  and other information with the Commission.
Such Registration  Statement,  reports, proxy statements,  and other information
can be inspected,  without charge, and copied at the public reference facilities
maintained by the Commission at Judiciary  Plaza,  450 Fifth Street,  N.W., Room
1024,  Washington,  D.C. 20549,  and at its regional  offices located at 7 World
Trade  Center,  13th Floor,  New York,  New York 10048 and  Northwestern  Atrium
Center,  500 West  Madison  Street,  Chicago,  Illinois  60061.  Copies  of such
material can be obtained at prescribed rates from the Public  Reference  Section
of the  Commission  at  Judiciary  Plaza,  450 Fifth  Street,  N.W.,  Room 1024,
Washington, D.C. 20549.

                       DOCUMENTS INCORPORATED BY REFERENCE

         The following  documents  filed by the Company with the  Commission are
incorporated in this Prospectus by reference:

                    (a) the  Company's  Annual  Report on Form 10-K for the year
ended December 31, 1996;

                    (b) the  Company's  Quarterly  Reports  on Form 10-Q for the
quarters ended March 31, 1997 and June 30, 1997;

                    (c) the  Company's  Current  Report  on Form  8-K  filed  on
January 14, 1997; and

                    (d) the  description  of the Common  Stock  contained in the
Company's  Prospectus included in the Company's  Registration  Statement on Form
S-2, File No.  33-59479,  as filed  pursuant to Rule 424(b) under the Securities
Act of 1933, as amended (the "Securities Act").

         All documents  filed by the Company  pursuant to Section 13(a),  13(c),
14, or 15(d) of the  Exchange  Act on or after the date of this  Prospectus  and
prior to the  termination  of the  offering  hereby of the Common Stock shall be
deemed to be  incorporated  by  reference  in this  Prospectus  and to be a part
hereof from the date of filing such documents.

         Any statement  contained in a 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
modifies,  supersedes,  or replaces such statement. Any statement so modified or
superseded  shall  not be  deemed,  except  as so  modified  or  superseded,  to
constitute  a part of  this  Prospectus.  Any  person  receiving  a copy of this
Prospectus may obtain without  charge,  upon written or oral request,  a copy of
any of the documents  incorporated by reference  herein,  except for exhibits to
such documents (unless such exhibits are specifically  incorporated by reference
into the  documents  which this  Prospectus  incorporates).  Requests  should be
directed to: Corporate Secretary,  Interferon Sciences, Inc., 783 Jersey Avenue,
New   Brunswick,   New  Jersey   08901,   telephone   number   (908)   249-3250.
- ----------------


     ALFERON(R) and ALFERON LDO(R) are registered trademarks of the Company.


<PAGE>


                                   THE COMPANY

    Interferon  Sciences,  Inc. (the "Company") is a  biopharmaceutical  company
currently engaged in the study, manufacture, and sale of pharmaceutical products
based on its highly  purified,  multispecies,  natural  source alpha  interferon
("Natural Alpha Interferon").  The Company's ALFERON N Injection(R)  (Interferon
Alfa-n3)  product  has  been  approved  by  the  United  States  Food  and  Drug
Administration  ("FDA") for the  treatment of certain types of genital warts and
is being studied for  potential  use in the  treatment of HIV,  hepatitis C, and
other  indications.  The Company  also is studying  ALFERON N Gel(R) and ALFERON
LDO(R), the Company's topical and oral formulations of Natural Alpha Interferon,
for the potential  treatment of viral and immune system diseases.  The Company's
principal  offices and research  and  production  facilities  are located at 783
Jersey Avenue, New Brunswick, New Jersey 08901 and its telephone number is (908)
249-3250.

                                  RISK FACTORS

    Prospective  investors  should  consider  carefully the  following  factors,
together with the other  information  contained or  incorporated by reference in
this Prospectus, in evaluating an investment in the Common Stock offered hereby.
This Prospectus  contains or incorporates by reference  certain  forward-looking
statements  reflecting  management's current views with respect to future events
and  financial  performance.  These  forward-looking  statements  are subject to
certain risks and uncertainties,  all of which are difficult to predict and many
of which are beyond the control of the Company,  that could cause actual results
to differ materially from those in the  forward-looking  statements,  including,
but not limited to, the following factors.

    Continuing   Operating  Losses;   Accumulated   Deficit.   The  Company  has
experienced significant operating losses since its inception in 1980. As of June
30, 1997, the Company had an accumulated deficit of approximately $89.3 million.
For the six months  ended June 30, 1997 and the years ended  December  31, 1996,
1995, and 1994,  the Company had losses from  operations of  approximately  $7.5
million, $12.4 million, $7.4 million, and $11.8 million, respectively.

    Although the Company received approval to market ALFERON N Injection for the
treatment of genital warts from the FDA in October 1989 and from the  comparable
Mexican regulatory  authority in December 1994 and entered into an agreement for
Cell Pharm GmbH ("Cell  Pharm") to distribute  ALFERON N Injection in Germany in
April  1996,  it has had  only  limited  revenues  from the  sale of  ALFERON  N
Injection to date. In order for the Company to operate  profitably,  the Company
must sell significantly more ALFERON N Injection.  Increased sales in the United
States will  depend  primarily  upon the  attainment  of FDA  approval to market
ALFERON  N  Injection  for  additional  indications,  of which  there  can be no
assurance.  See "Products Under Development" and "Regulatory Approvals" below in
this section.  Moreover,  the Company cannot market ALFERON N Injection in other
markets  unless  appropriate  regulatory  approvals are  obtained.  See "Foreign
Regulatory  Approvals"  below in this  section.  There can be no assurance  that
sufficient  quantities of ALFERON N Injection  will be sold to allow the Company
to operate profitably.

    Future Capital Needs;  Uncertainty of Additional  Funding.  The Company will
require  substantial  funds to conduct  research and development and preclinical
and clinical  testing and to  manufacture  and market its products.  For the six
months  ended June 30, 1997 and the years ended  December 31,  1996,  1995,  and
1994,  the cash  utilized by the Company's  operations  was  approximately  $9.0
million,  $13.3  million,  $7.1  million,  and $7.8 million,  respectively.  The
Company's future capital  requirements  will depend on many factors,  including:
continued scientific progress in its drug development programs; the magnitude of
these programs;  progress with preclinical testing and clinical trials; the time
and costs  involved in obtaining  regulatory  approvals;  the costs  involved in
filing,  prosecuting,  and enforcing patent claims;  competing technological and
market developments; changes in its existing research relationships; the ability
of  the  Company  to  establish   collaborative   arrangements;   and  effective
commercialization activities and arrangements.

    On August 18,  1997,  the  Company  completed  the  private  placement  (the
"Private  Placement") of 1,936,667  shares (the "Private  Placement  Shares") of
Common Stock at a price of $6 per share.  The  $11,620,002 of proceeds from such
sale (less  estimated  expenses  of $30,000)  will be used (i) to  increase  the
Company's  inventory of ALFERON N Injection (a) to meet increased market demand,
(b) for use in the on-going  Company-sponsored  Phase 3 clinical  trials for HIV
and hepatitis C (the "HIV and Hepatitis C Trials"),  which became fully-enrolled
in the second  quarter of 1997,  and (c) so that  inventory will be available in
the event the HIV and Hepatitis C Trials are successfully concluded beginning in
late 1997 and ALFERON N Injection is subsequently  approved for the treatment of
one or both of  these  new  indications  by the FDA (of  which  there  can be no
assurance),  (ii) to expand the  Company's  manufacturing  facility,  which will
provide  significantly  increased  production  capacity in the event the HIV and
Hepatitis  C Trials  are  successfully  concluded  and  ALFERON N  Injection  is
approved for the treatment of one or both of these new  indications  by the FDA,
(iii) to increase the Company's  marketing and sales  capabilities,  and (iv) to
fund the Company's clinical programs.

    Sunrise Securities Corp.  ("Sunrise"),  the underwriter for the best efforts
offerings  by the  Company in 1995 and 1996 and its private  placement  in 1996,
acted as placement  agent in the Private  Placement and in connection  therewith
received a commission  (which it assigned to its designees) of 116,200 shares of
Common  Stock and  options  (the  "Private  Placement  Commission  Options")  to
purchase  96,833 shares of Common Stock at a purchase  price of $7.20 per share.
Sunrise also  received an  unaccountable  expense  allowance of 38,733 shares of
Common Stock (together with the 116,200 shares  referred to above,  the "Private
Placement  Commission  and  Expense  Shares")  in  connection  with the  Private
Placement.  The Private  Placement  Options are exercisable for a period of four
years, commencing on August 18, 1998, and cannot be sold, transferred, assigned,
or hypothecated  until such date, except that they may be assigned,  in whole or
in part, to any successor, officer, or partner of Sunrise. The Private Placement
Shares,  the Private  Placement  Commission and Expense  Shares,  and the shares
underlying the Private Placement  Commission  Options are registered  hereunder.
See "Selling Stockholders."

    Based on the  Company's  estimates  of  revenues,  expenses,  and  levels of
production,  management believes that the cash available as of September 1, 1997
will be sufficient to enable the Company to continue  operations for at least 12
months. However, actual results, especially with respect to revenues, may differ
materially  from such  estimates,  and no assurance can be given that additional
funding will not be required  sooner than  anticipated  or that such  additional
funding,  whether from financial markets or collaborative or other  arrangements
with corporate partners or from other sources,  will be available when needed or
on terms acceptable to the Company.  Insufficient funds will require the Company
to  delay,  scale  back,  or  eliminate  certain  or  all of  its  research  and
development  programs or to license third parties to  commercialize  products or
technologies  that the Company would otherwise seek to develop itself or to shut
down or curtail its manufacturing facility.

    No  Guaranteed  Source of Required  Materials.  The Company uses a number of
essential  materials in the  production of Natural Alpha  Interferon,  including
human white blood  cells,  and has limited  sources  from which to procure  such
materials. The Company does not have long-term agreements for the supply of most
of such materials.  There can be no assurance that long-term  supply  agreements
covering  essential  materials  can be entered into on  commercially  reasonable
terms, if at all. Although the Company currently obtains human white blood cells
from several  sources,  including  the  American Red Cross  pursuant to a supply
agreement  dated April 1, 1997,  there can be no assurance that the Company will
be able to obtain all the human white blood  cells that it needs.  In  addition,
there can be no assurance  that the Company will be able to renew its  agreement
with the  American  Red  Cross  when it  terminates.  If it is  unable to obtain
required raw materials, the Company may be required to scale back its operations
or stop  manufacturing  Natural Alpha Interferon.  The costs and availability of
products and materials required by the Company for the commercial  production of
ALFERON N  Injection  and other  products  which the  Company  may  commercially
produce are subject to fluctuation  depending on a variety of factors beyond the
Company's control, including competitive factors, changes in technology, and FDA
and other governmental regulation and there can be no assurance that the Company
will be able to obtain such  products and  materials on terms  acceptable to the
Company or at all.

    Limited  Marketing  Program.  In May  1997,  the  Company  entered  into  an
agreement appointing Alternate Site Distributors,  Inc. ("ASD"), a subsidiary of
Bergen  Brunswig  Corporation,  the sole United States  distributor of ALFERON N
Injection.  Pursuant  to such  agreement,  ASD will also  provide  clinical  and
product information,  reimbursement  information and services, and management of
patient  assistant  services.  In September 1996, the Company hired an executive
vice  president for sales and  marketing,  who is expanding the Company's  sales
force so that the Company will be in a position to market ALFERON N Injection in
the event the HIV and Hepatitis C Trials are successfully  concluded and ALFERON
N  Injection  is  approved  for  the  treatment  of one or  both  of  these  new
indications  by the FDA.  In  addition,  the  Company  currently  has  marketing
arrangements  for the distribution of ALFERON N Injection in Mexico and Germany.
Unless the  Company  successfully  develops  its own sales  force or enters into
additional  marketing  arrangements  with other  companies,  the Company will be
dependent  on the  ability  of  its  current  distributors  to  sell  sufficient
quantities  of ALFERON N Injection  to allow the Company to operate  profitably.
There can be no assurance that the Company will be able to develop its own sales
force or enter into additional  marketing  agreements on acceptable terms, if at
all, or that the Company will be able to successfully  market and sell ALFERON N
Injection or any other product.

    Products Under Development. The Company's products under development include
(i)  ALFERON N  Injection  for the  potential  treatment  of HIV,  hepatitis  C,
multiple  sclerosis,  and  hepatitis  B, (ii)  ALFERON  N Gel for the  potential
treatment of cervical  dysplasia,  intravaginal warts,  mucocutaneous  herpes in
immuno-compromised patients, and recurrent genital herpes, and (iii) ALFERON LDO
for the potential  treatment of certain  symptoms of patients  infected with the
HIV  virus.  However,  there can be no  assurance  that these  products  will be
cost-effective,  safe, and effective treatments for these diseases, and there is
no assurance of receiving  regulatory  approvals to market these  products.  The
Company cannot market such products  until such approvals are obtained.  Even if
such  approvals  are  obtained,  there  can be no  assurance  that  any of these
products will be successful or will produce significant  revenues or profits for
the  Company.  The  ability of the Company to become  profitable  depends on the
successful commercial development of these products.

    Potential Side Effects.  The Company is engaged in the  manufacture and sale
of a single FDA  approved  product,  ALFERON N Injection  for the  treatment  of
refractory or recurring  external  genital warts in adults.  In clinical  trials
conducted for the treatment of genital warts with ALFERON N Injection,  patients
have not experienced  serious side effects;  however,  there can be no assurance
that unexpected or unacceptable side effects will not be found in the future for
this use or other  potential  uses of this product or for any other  product the
Company might develop which could threaten or limit such  product's  usefulness.
See "Risk of Product Liability" below in this section.

    Substantial  Competition.  In the United  States  and  Mexico,  the  Company
currently  competes  with  Schering-Plough   Corp.'s   ("Schering")   injectable
recombinant interferon product in the treatment of genital warts. In March 1997,
Minnesota   Mining  &   Manufacturing   Co.   received   FDA  approval  for  its
immune-response modifier,  Aldara(R), a self-administered topical cream, for the
treatment of genital  warts.  ALFERON N Injection  also competes with  surgical,
chemical, and other methods of treating genital warts. The Company cannot assess
the impact products developed by the Company's  competitors or advances in other
methods of the treatment of genital warts will have on the commercial  viability
of its product.

    If and when the Company obtains additional approvals of uses of its products
(such as the approval obtained by Cell Pharm in Germany),  it expects to compete
primarily  on  the  basis  of  product  performance.   The  Company's  potential
competitors  have  developed or may develop  products  (containing  either alpha
interferon or other  therapeutic  compounds) or other  treatment  modalities for
those uses.  Many of the Company's  potential  competitors are among the largest
pharmaceutical  companies  in the  world,  are well  known to the public and the
medical community,  and have substantially greater financial resources,  product
development,  and manufacturing  and marketing  capabilities than the Company or
its marketing partners.

    Schering's  recombinant interferon product has achieved market dominance for
the  treatment  of  hepatitis C and  hepatitis B in the United  States and other
markets, and Roche Pharmaceuticals's recombinant interferon product was recently
approved for the  treatment  of  hepatitis C in the United  States and for other
medical uses in foreign  countries.  A number of synthetic  antiviral  compounds
have been  approved in the United States and certain  foreign  countries for the
treatment,  primarily in combination therapy, of HIV and AIDS, including reverse
transcriptase   inhibitors   (nucleoside   analogues)   such  as  Epivir(R)  and
Retrovir(R)  (manufactured  by Glaxo Wellcome Inc.),  Hivid(R)  (manufactured by
Roche   Laboratories,   Inc.),  and  Zerit(R)  and  Videx(R)   (manufactured  by
Bristol-Myers  Squibb  Company)  and  protease  inhibitors  such as  Crixivan(R)
(manufactured  by  Merck  &  Co.,  Inc.),  Invirase(R)  (manufactured  by  Roche
Laboratories, Inc.), and Norvir(R) (manufactured by Abbott Laboratories).  Also,
Viramune(R),  a non-nucleoside reverse transcriptase  inhibitor (manufactured by
Boehringer Ingelheim  Corporation),  was recently approved by the FDA for use in
combination with nucleoside  analogues for the treatment of HIV-infected adults.
In the  United  States,  two  recombinant  forms of beta  interferon  have  been
approved for the treatment of relapsing-remitting  multiple sclerosis. There can
be no assurance  that, if the Company is able to obtain  regulatory  approval of
ALFERON N Injection for the treatment of any of those diseases,  it will be able
to achieve any significant penetration into those markets. In addition,  because
certain of the competitive products are not dependent on a source of human blood
cells, such products may be able to be produced in greater volume and at a lower
cost than ALFERON N Injection and the Company's  other Natural Alpha  Interferon
formulations.  Currently,  the Company's  wholesale price on a per unit basis of
ALFERON  N  Injection  is  substantially  higher  than  that of the  competitive
recombinant alpha interferon products.

    Other companies may succeed in developing products earlier than the Company,
obtaining  approvals  for  such  products  from the FDA  more  rapidly  than the
Company,  or developing  products that are more effective than those proposed to
be  developed  by the  Company.  While  the  Company  will  seek to  expand  its
technological  capabilities  in order to  remain  competitive,  there  can be no
assurance that research and development by others or other medical advances will
not render the Company's  technology or products obsolete or  non-competitive or
result in treatments or cures superior to any therapy  developed by the Company,
or that any therapy  developed  by the Company will be preferred to any existing
or newly developed technologies.

    Potential Patent  Infringement  Claims.  On March 5, 1985, the United States
Patent  and  Trademark  Office  issued  a  patent  to  Hoffmann-La  Roche,  Inc.
("Hoffmann") claiming purified human alpha (leukocyte) interferon (regardless of
how it is produced). F. Hoffmann-LaRoche Ltd. ("Roche"), the parent of Hoffmann,
also has been issued patents  covering human alpha  interferon in many countries
throughout the world. As of March 31, 1995, the Company obtained a non-exclusive
perpetual license from Hoffmann and Roche which grants the Company the worldwide
rights to make, use, and sell,  without a potential  patent  infringement  claim
from Hoffmann or Roche, any formulation of Natural Alpha Interferon. The license
permits the Company to grant  marketing  rights  with  respect to Natural  Alpha
Interferon  products to third  parties,  except that the  Company  cannot  grant
marketing  rights with  respect to  injectable  products in any country in which
Hoffmann  or Roche has patent  rights  covered by the license to any third party
not  listed on a schedule  of  approximately  50  potential  marketing  partners
without the consent of Hoffmann and Roche,  which consent cannot be unreasonably
withheld. There can be no assurance that the Company will not want to grant such
marketing rights to a third party not listed on such schedule,  or that Hoffmann
and Roche will not withhold the required consent.  In addition,  if such license
were terminated,  the Company may be subject to a patent infringement lawsuit by
Hoffmann and Roche if it continued to market Natural Alpha Interferon  products.
If such a suit were brought,  the Company would have to either  counterclaim  to
attempt to  invalidate  the Hoffmann and Roche  patents or prove that it did not
infringe such patents.

    In  addition,  there may have been other  patent  applications  filed in the
United  States  and in foreign  countries,  some of which may have been filed by
potential  competitors of the Company,  with respect to the technologies  and/or
products  which may be  required  by the  Company to  produce  its  current  and
proposed  products.  If any of such  patents  issue in the  United  States or in
foreign  countries in a form which covers the  Company's  products or processes,
the  Company  would be  required  to  obtain  licenses  under  such  patents  in
connection  with  the  domestic  and  international  commercialization  of  such
products. There can be no assurance that the Company could obtain licenses under
any of such patents if so issued,  particularly if they were issued to companies
directly in  competition  with the Company,  or that,  even if the Company could
obtain licenses, it could do so on commercially reasonable terms.

    If the sale or use of any of the Company's products were to become the basis
of a patent  infringement  lawsuit,  assuming  the  Company  could not  obtain a
license on satisfactory  terms, the Company may be required to incur substantial
litigation  expenses,   and  such  litigation  could  also  consume  substantial
management  time,  which could have a material adverse effect upon the financial
condition of the Company even if it were to be successful in the litigation.  If
the Company proved unsuccessful in such litigation,  it may be required to pay a
royalty for the use of the claimed  patents or cease  producing the products and
redevelop the products in such a way as to avoid  infringing  any claimed patent
rights.  There can be no assurance in such case that the Company  could obtain a
license under such patents on commercially  reasonable  terms or at all, or that
it could  successfully  redevelop  the products to fall outside the scope of the
claim.

    It is the Company's policy to seek licenses if it believes that the terms of
such licenses,  when weighed against the expense and  uncertainties of potential
litigation, are cost effective.

    Possible  Inability to Protect  Technology.  To a  significant  extent,  the
ability of the Company to protect its rights in any  products or  technology  it
may  develop  depends  upon its  ability  to obtain  suitable  patent or similar
protection.  The  ability of the  Company  to obtain  patents,  and the  nature,
extent, and enforceability of the intellectual property rights that are obtained
as a result of the Company's research, involve complex legal and factual issues.
New technology and products  developed by the Company may not qualify for patent
protection or, if they do qualify,  may be subject to challenge or to protracted
judicial  proceedings.  In  addition,  the  Company  may  determine  not to seek
additional patent or other protection for its technology or products.  It is not
certain that other  patents will be issued or, if issued,  that they will afford
the  Company  protection  from  competitive  products.  Although  the  Company's
practice is to require its technical and scientific employees and consultants to
execute confidentiality  agreements covering proprietary information,  there can
be no assurance that others will not independently  make similar  discoveries or
otherwise obtain access to proprietary  information of the Company. In addition,
the Company has a non-exclusive  license agreement with Hoffmann and Roche which
enables  the  Company  to sell its  products.  There  can be no  assurance  that
Hoffmann or Roche has not granted or will not grant a similar license to another
company with considerably greater financial,  technical, and marketing resources
than the Company or that Hoffmann or Roche will not enter the market itself with
a competitive product.

    While the  Company  has  recently  been  issued a United  States  patent for
Natural Alpha Interferon produced from human peripheral blood leukocytes and its
production process and has several patent  applications  pending, it is possible
that others have or may develop  equivalent or superior products or technologies
which would not fall within the scope of the  Company's  patent  claims or which
might  involve  inventions  similar in scope to those of the  Company  for which
patent or  similar  rights  are  obtained  by others  prior to the time that the
Company is able to do so.

    Regulatory Approvals. The production and marketing of the Company's products
in  the  United  States,  as  well  as  its  ongoing  research  and  development
activities,   are  subject  to  regulation  by   governmental   agencies,   most
significantly the FDA. Such regulation  includes  requirements for obtaining FDA
approval prior to marketing each of its products in the United States.  In order
to obtain such FDA approval,  the Company must demonstrate,  among other things,
the safety and  efficacy  of each  product  through  pre-clinical  and  clinical
testing.  Obtaining such approvals is a time-consuming  process and requires the
expenditure  of substantial  resources.  Each facility in which the products are
produced and packaged,  whether  operated by the Company or a third party,  must
meet the FDA's standards for current good manufacturing  practices and must also
be  approved  prior to  marketing  any  product  produced  or  packaged  in such
facility.  Any  significant  change  in  the  production  process  which  may be
commercially required, including changes in sources of certain raw materials, or
any change in the location of the  production  facilities  will also require FDA
approval.  To the extent a portion of the manufacturing process for a product is
handled by an entity other than the Company,  the Company must similarly receive
FDA  approval  for the  participation  by such third party in the  manufacturing
process.  For example,  the Company has entered  into an  agreement  with Abbott
Laboratories,  Inc.  ("Abbott") pursuant to which Abbott formulates and packages
ALFERON N Injection.  The Company presently has a biologic establishment license
for the facilities in which it produces ALFERON N Injection,  which includes the
facilities in which Abbott  formulates and packages ALFERON N Injection.  If the
Company's or Abbott's present manufacturing facilities were damaged or destroyed
or the  Company's  arrangements  with  Abbott were  terminated,  there can be no
assurance  that FDA  approval  could be obtained  for  another  facility or that
another  facility  could  be  built  and  approved  on  a  timely  basis  or  on
commercially  reasonable terms.  Delays in obtaining,  or the failure to obtain,
any necessary  regulatory  approvals could have a material adverse effect on the
Company's  ability to develop,  produce,  and sell its  products.  In  addition,
failure  of the  Company to comply in any  respect  with FDA  requirements  with
respect to the production and marketing of biological  drug products can subject
the  Company to  potential  civil and  criminal  penalties  and its  products to
seizure and other civil enforcement  action.  Because of the uncertain nature of
many of these  requirements,  there can be no assurance that regulatory problems
of this type will not occur.

    Foreign Regulatory  Approvals.  To market its products outside of the United
States,  the  Company is subject to  numerous  and  varying  foreign  regulatory
requirements,  implemented by foreign health  authorities,  governing the design
and  conduct of human  clinical  trials and  marketing  approval.  The  approval
procedure  varies among countries and can involve  additional  testing,  and the
time  required to obtain  approval  may differ from that  required to obtain FDA
approval.  At present,  foreign  marketing  authorizations  are applied for at a
national level,  although certain  registration  procedures are available within
the European  Union (the "EU") to companies  wishing to market a product in more
than one EU member country. If a regulatory authority is satisfied that adequate
evidence  of  safety,  quality,  and  efficacy  has  been  presented,  marketing
authorization  is usually  granted.  The  foreign  regulatory  approval  process
includes  all of the risks  associated  with  obtaining  FDA  approval set forth
above.  Approval by the FDA does not ensure approval by other  countries.  There
can be no assurance that the Company's products will receive such approvals.  In
addition, under certain circumstances, the Company may be required to obtain FDA
authorization to export products for sale in foreign countries. For instance, in
most cases,  the Company may not export  products that have not been approved by
the FDA unless it first  obtains an export permit from the FDA.  However,  these
FDA export  restrictions  generally do not apply if the  Company's  products are
exported in conformance  with their United States  approvals or are manufactured
outside the United  States.  At the present time,  the Company does not have any
foreign manufacturing facilities.

    Uncertainty  of  Pharmaceutical   Pricing  and  Related  Matters;  Need  for
Reimbursement.  The future revenues and  profitability  of, and  availability of
capital for,  biotechnology  companies may be affected by the continuing efforts
of governmental and third-party  payors to contain or reduce the costs of health
care through various means. For example, in certain foreign markets, the pricing
and  profitability  of  prescription  pharmaceuticals  is subject to  government
control.  In Japan, which is currently the world's largest market for interferon
products,  the government imposed price cuts ranging from 13.5% to 22.7% in 1994
on certain interferon  products then being marketed in Japan. The Company cannot
predict  whether  similar  price cuts will be  imposed  on any of the  Company's
products  in Japan or in any other  country  at such time as such  products  are
being  marketed in such  country or the size or duration of any cuts that may be
imposed.  However,  there can be no assurance that any such cuts will not have a
material  adverse effect on the Company's  future  results of operations.  There
have been,  and the Company  expects there to continue to be, a number of United
States federal and state proposals to implement similar government  control.  It
is  uncertain  what form any health  care  reform  legislation  may take or what
actions  the  federal,  state,  and  private  payors may take in response to the
suggested reforms. The Company cannot predict when any suggested reforms will be
implemented,  if ever, or the effect of any implemented  reform on the Company's
business.  There can be no assurance,  however, that any implemented reform will
not  have  a  material  adverse  effect  on  the  Company's  future  results  of
operations.  The Company's long-term ability to market its products successfully
may  depend in part on the  extent to which  reimbursement  for the cost of such
products and related  treatment will be available from public and private health
insurers  and  other   organizations.   Third-party   payors  are   increasingly
challenging  the prices of medical  products  and  services.  The  reimbursement
status of newly-approved health care products is highly uncertain, and there can
be no assurance  that  third-party  coverage will be available or that available
third-party coverage will enable the Company to maintain price levels sufficient
to realize an appropriate return on its investment in product development. While
recombinant  alpha interferon  products can be produced at a lower cost per unit
than the Company's formulations of Natural Alpha Interferon products, until dose
regimens  and  treatment  durations  are  determined,  the  Company is unable to
determine  whether the cost of treatment  with the  Company's  products  will be
greater, equal to, or less than the cost of competing treatments.

    Royalty  Obligations.  The Company is a party to certain license  agreements
pursuant to which it is obligated  to pay  royalties  based upon the  commercial
exploitation  of its products.  Royalty  payments under such license  agreements
with  respect to  ALFERON N  Injection,  ALFERON N Gel,  and  ALFERON  LDO could
aggregate up to 9.5%, 13.5%, and 19.5%, respectively, of the Company's net sales
of such  products.  Such  royalty  obligations,  together  with  any  additional
royalties which may be payable by the Company, may limit the Company's marketing
strategies and prevent it from obtaining  adequate profit margins and could have
a  material  adverse  effect on the  commercial  exploitation  of the  Company's
products.

    In connection  with the  acquisition  of certain  intellectual  property and
technology rights from National Patent  Development  Corporation  ("NPDC"),  the
Company  agreed to pay NPDC a royalty of $1  million.  Such amount is payable if
and when the Company  generates  income before  income taxes,  limited to 25% of
such income before income taxes per year until such amount is paid in full.

    Risk of Product  Liability.  The Company's  products have  undergone or will
undergo  extensive  clinical  testing  prior to the  granting of any  regulatory
approval for the purpose,  among other things, of determining the safety of such
products. The Company may sell products which cause unexpected adverse reactions
or  result  in an  allergic  or other  reaction  or which  are  alleged  to have
unacceptable  adverse side effects.  Product  liability  risk is inherent in the
testing,  manufacture,  marketing, and sale of the Company's products, and there
can be no assurance that the Company will be able to avoid  significant  product
liability  exposure.  Such  liability  might result from claims made directly by
consumers or by pharmaceutical  companies or others selling such products. It is
impossible  to predict  the scope of injury or  liability  from such  unexpected
reactions,  or the measure of damages  which might be imposed as a result of any
claims or the cost of defending such claims. The Company has a product liability
insurance  policy in the amount of  $10,000,000.  Although the Company  believes
this amount is  sufficient,  there is no assurance that the Company will be able
to maintain  such  coverage,  and even if it does maintain it, in the event that
the  Company  becomes  subject to  liability  claims in excess of any  insurance
coverage it may have in effect,  the Company may not have  sufficient  assets or
liquidity to satisfy such claims which could result in the  Company's  inability
to  continue  its  operations.  Furthermore,  any  published  reports  or rumors
suggesting  a link  between a Company  product  and injury to a person  could be
expected to materially impair the Company's ability to market such product.

    Retention of Key Personnel.  Because of the specialized scientific nature of
the Company's  business,  it is necessary to attract and retain personnel with a
wide  variety of  scientific  capabilities.  Competition  for such  personnel is
intense. There can be no assurance that the Company will continue to attract and
retain personnel of high scientific caliber. None of the Company's key employees
have employment agreements. The Company does not maintain key man life insurance
for any of its key employees and does not intend to obtain such  insurance.  The
Company's  loss of services of certain of its  employees or other members of its
staff could have a material adverse effect on the Company's operations.

    Conflicts  of  Interest.  As of August 20,  1997,  NPDC  beneficially  owned
approximately 12.9% of the outstanding shares of Common Stock. Certain conflicts
of interest may arise as a result of NPDC's  stock  ownership in the Company and
certain  related  transactions  between the Company and NPDC.  Furthermore,  the
chief  executive  officer of the Company also serves as general  counsel of NPDC
and may have conflicts of interest in allocating management time, services,  and
functions  between the Company and NPDC. In addition,  certain directors of NPDC
also serve as directors of the Company.

    Preferred Stock. The Company's charter provides for 5,000,000 authorized but
unissued shares of Preferred  Stock,  the rights,  preferences,  qualifications,
limitations,  and  restrictions  of which may be fixed by the Board of Directors
without any further vote or action by the stockholders. The ability to issue the
Preferred  Stock could have the effect of delaying,  deferring,  or preventing a
change of control of the Company.

    Options and  Warrants.  As of August 20, 1997,  the Company had  outstanding
options to purchase 1,615,316 shares (including options issued to Sunrise or its
designees for 577,666 shares) and warrants to purchase  164,115 shares of Common
Stock.  For the life of the  outstanding  options and warrants,  the holders are
given,  at nominal cost,  the  opportunity to profit if the price for the Common
Stock  in the  public  market  exceeds  the  exercise  price of the  options  or
warrants,  without assuming the risk of ownership,  with a resulting dilution in
the interest of other security holders. If the public market price of the Common
Stock does not rise above the exercise  price of the options or warrants  during
the exercise period, then such securities will expire worthless.  As long as the
outstanding options and warrants remain  unexercised,  the terms under which the
Company could obtain additional capital may be adversely affected. Moreover, the
holders of these  securities may be expected to exercise them at a time when the
Company would, in all likelihood,  be able to obtain any needed capital by a new
offering of its  securities on terms more favorable than those provided by these
securities.

    Volatility  of Share Price;  Lack of Liquidity.  There has been  significant
volatility  in the market  prices for publicly  traded  shares of  biotechnology
companies,  including the Company.  There can be no assurance  that the price of
the Common  Stock will  remain at or exceed  current  levels.  Factors,  such as
announcements  of  technological  or product  developments by the Company or its
competitors,   governmental   regulation,   or  patent  or  proprietary   rights
developments,  may have a  significant  impact on the market price of the Common
Stock.

    While 22 firms made a market in the Common Stock as of July 31, 1997, all or
some of such firms may  discontinue  such activities at any time or from time to
time, which may adversely affect the price and liquidity of the Common Stock.

    Dividends  on Common  Stock  Unlikely.  The Company  does not, in the
foreseeable future, anticipate paying any dividends on the Common Stock.





<PAGE>


                                 CAPITALIZATION

    The following table sets forth the  capitalization  of the Company (i) as of
June 30,  1997 and (ii) as  adjusted  to give  effect to the  Private  Placement
(assuming no other changes in capitalization after June 30, 1997).

<TABLE>

<CAPTION>
                                                                     June 30, 1997
                                                                      (Unaudited)
                                                                        Actual           As Adjusted
Stockholders' equity:
   Preferred Stock, par value $.01 per
share, 5,000,000 shares authorized; none issued and                       --                 --
outstanding
<S>                                                                    <C>              <C>     
   Common Stock, par value $.01 per share,                                              $143,767
55,000,000 shares authorized; 12,285,105 shares issued and
outstanding; 14,376,705 shares issued and outstanding as                $122,851
adjusted(1)
Capital in excess of par value                                       107,447,693        119,016,779
Accumulated deficit                                                  (89,324,656)       (89,324,656)
                                                                    ------------       -----------
                     Total stockholders' equity                     $18,245,888         $29,835,890
                                                                     ----------
             Total capitalization                                   $18,245,888         $29,835,890
                                                                    ===========        ===========
</TABLE>
- ----------

(1)      Does not  include  (i)1,037,650  shares of Common  Stock  reserved  for
         issuance upon the exercise of options  outstanding  under the Company's
         stock option plan,  (ii) 164,115  shares  (164,115  shares as adjusted)
         reserved for issuance upon the exercise of  outstanding  warrants,  and
         (iii) 480,833 shares (577,666 shares as adjusted) reserved for issuance
         upon the exercise of options issued to Sunrise or its designees.

         The Company has no short-term or long-term  debt or material  long-term
lease obligations.


<PAGE>


                              PLAN OF DISTRIBUTION

         The Company may offer the shares Common Stock being sold by the Company
in any of  three  ways:  (i)  through  underwriting  syndicates  represented  by
managing  underwriters  or by  underwriters  without a  syndicate,  (ii) through
agents  designated  from time to time,  or (iii)  directly by the Company.  Such
shares  of Common  Stock may be sold 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. To the extent required,  any
Prospectus Supplement with respect to such shares of Common Stock will set forth
the terms of the offering and the proceeds to the Company from the sale thereof,
any  underwriting  discounts  and other  items of price,  and any  discounts  or
concessions  allowed or reallowed or paid to dealers.  Any public offering price
and any discounts or concessions  allowed or reallowed or paid to dealers may be
changed from time to time.

         If underwriters are utilized,  the Common Stock being sold to them will
be  acquired  by the  underwriters  for their own account and may be resold from
time to time in one or more transactions,  including negotiated transactions, at
a fixed public offering  price,  or at varying prices  determined at the time of
sale. The Common Stock may be offered to the public either through  underwriting
syndicates  represented by one or more managing  underwriters or directly by one
or more firms acting as underwriters. To the extent required, the underwriter or
underwriters  with respect to the Common Stock being offered by the Company will
be named in the  Prospectus  Supplement  relating  to such  offering  and, if an
underwriting syndicate is used, the managing underwriter or underwriters will be
set forth on the cover  page of such  Prospectus  Supplement.  Any  underwriting
agreement will provide that the obligations of the  underwriters  are subject to
certain conditions precedent.

         The Common Stock may be sold directly by the Company or through  agents
designated by the Company from time to time. To the extent  required,  any agent
involved in the offer or sale of the Common  Stock being  offered by the Company
will be named in the Prospectus  Supplement.  Unless otherwise  indicated in the
Prospectus Supplement, any such agent will be acting on a best efforts basis for
the period of its appointment.

         Agents and underwriters  may be entitled under agreements  entered into
with the  Company  to  indemnification  by the  Company  against  certain  civil
liabilities,  including liabilities under the Securities Act, or to contribution
with  respect to payments  which the agents or  underwriters  may be required to
make in respect of such liabilities.

         Agents  and  underwriters  may  engage  in other  transactions  with or
perform  other  services  for the  Company.  To the  extent  required,  any such
relationships will be set forth in a Prospectus Supplement.

         The Company  will pay all of the expenses of the offering of the shares
Common Stock being sold by the Company.

<PAGE>


                              SELLING STOCKHOLDERS

    The following  table sets forth certain  information  as of the date of this
Prospectus  with respect to the Selling  Stockholders.  The shares to be sold by
the Selling Stockholders represent shares of Common Stock currently owned by the
Selling  Stockholders  or which may be  acquired by them on exercise of options.
Each of the Selling Stockholders has certain registration rights with respect to
the shares of Common  Stock to be sold.  The Company  will  receive the exercise
price on any such  exercise  but will not receive any of the  proceeds  from the
sale of such shares. Beneficial ownership after this offering will depend on the
number of shares sold by each Selling Stockholder.

<TABLE>

<CAPTION>
                Name of Selling Stockholders          Number of     Percentage of     Number of Shares
                                                       Shares        Class Prior           Offered
                                                    Beneficially       to This
                                                   Owned Prior to      Offering
                                                    This Offering

<S>                                                         <C>            <C>               <C>      
           State Capital Partners                           10,000         (1)               10,000(2)
                    Michael G. Jesselson                272,375(3)       1.89%              100,000(2)
                    Howard Milstein                        150,000       1.04%              150,000(2)
                    Highbridge Capital                     125,000         (1)              125,000(2)
           Corporation
           Nader Tavokali                                   25,000         (1)               25,000(2)
           York Capital Management, L.P.                    60,000         (1)               60,000(2)
           York Investment Ltd.                             90,000         (1)               90,000(2)
           Western Asset Management                        500,000       3.48%              500,000(2)
           CTM Financial Corp.                               8,000         (1)               20,000(2)
           Porter Partners, L.P.                            50,000         (1)               50,000(2)
           Rebel Capital, L.P.                              50,000         (1)               50,000(2)
           Pharos Fund Ltd.                                 50,000         (1)               50,000(2)
           Lions Investment Ltd.                            95,000         (1)               50,000(2)
           Andrew Hart                                      30,000         (1)               20,000(2)
           Trenton Small Cap Fund                           70,000         (1)               70,000(2)
           Aries Domestic Fund, L.P.                        56,667         (1)               56,667(2)
           The Aries Trust                                 110,000         (1)              110,000(2)
           Bridgewater Partners, L.P.                       32,500         (1)               20,000(2)
           CSL Associates, L.P.                             46,700         (1)               30,000(2)
           Nathan Low(4)                                736,939(5)       4.99%              335,338(6)
           Paul Scharfer(4)                             254,664(7)       1.75%               54,764(8)
           Derek Caldwell(4)                             29,059(9)         (1)              16,559(10)
           Alan Swerdloff(4)                            22,653(11)         (1)              13,746(12)
           Lorne Kaplan(4)                               1,716(13)         (1)               1,716(14)
           Richard Stone(4)                              7,843(15)         (1)               7,843(16)
           Sean Gallagher(4)                             2,451(17)         (1)               2,451(18)
           Ray Rivers(4)                               144,804(19)       1.00%             109,826(20)
           Ruth Low                                         16,000         (1)               16,000(2)
           Lisa Low Cust. for Chantal Low                   11,000         (1)               11,000(2)
           Lisa Low Cust. for Daniel Low                     9,000         (1)                9,000(2)
           Sunrise Foundation Trust(4)                      23,523         (1)              23,523(21)
      ----------
</TABLE>

     (1) Less than one percent.

     (2) Shares purchased in the Private Placement.

     (3)  Includes  27,500  shares  held by a trust for which Mr.  Jesselson  is
trustee.

     (4) Designee and/or officer or employee of Sunrise.

         On May 10, 1995,  Sunrise was retained by the Company to introduce  the
         Company to a specified  pharmaceutical  company. The engagement expired
         without any compensation being payable to Sunrise.

         Sunrise  acted as the  underwriter  for a best efforts  offering by the
         Company which was  completed in August and  September  1995 pursuant to
         which  the  Company  sold  3,000,000  shares  of  Common  Stock  for an
         aggregate of $14,400,000. In connection with such offering, (i) Sunrise
         received  underwriting  discounts  of  $1,112,100,   a  non-accountable
         expense  allowance of $335,900,  an  accountable  expense  allowance of
         $4,800,  and options to purchase  280,833  shares of Common Stock at an
         exercise  price of $7.44 per share and (ii) the Company,  the Company's
         officers and directors, and the Company's principal stockholders agreed
         (subject to certain  exceptions)  not to sell,  directly or indirectly,
         any of their shares of Common Stock or other equity  securities  of the
         Company for periods ranging from six to 24 months from August 14, 1995,
         without the consent of the Company and Sunrise.

         Sunrise  acted as the  underwriter  for a best efforts  offering by the
         Company  which was  completed in May 1996 pursuant to which the Company
         sold 2,000,000  shares of Common Stock for an aggregate of $16,000,000.
         In  connection  with  such  offering,   Sunrise  received  underwriting
         discounts  of  $1,120,000,   a  non-accountable  expense  allowance  of
         $240,000,  and options to purchase 200,000 shares of Common Stock at an
         exercise price of $9.60 per share.
             Sunrise  acted as  placement  agent for a private  placement by the
         Company  which was  completed  in December  1996  pursuant to which the
         Company  sold  1,403,750  shares of Common  Stock for an  aggregate  of
         $9,124,375.  In  connection  with such  offering,  Sunrise  received  a
         commission  of 122,065  shares of Common  Stock and options to purchase
         122,065 shares of Common Stock at a purchase price of $7.80 per share.

             Sunrise  acted as placement  agent in the Private  Placement and in
         connection  therewith  received the Private  Placement  Commission  and
         Expense Shares and the Private Placement Commission Options.

     (5)  Includes  215,560  shares  issuable  upon  exercise of options with an
exercise  price of $7.44 per share,  123,362  shares  issuable  upon exercise of
options with an exercise  price of $9.60 per share,  and 47,735 shares  issuable
upon  exercise  of  options  with an  exercise  price of $7.80 per  share.  Also
includes 170,000 shares held by the Nathan Low IRA.

     (6) Includes 260,000 shares purchased in the Private  Placement  (including
170,000  shares  purchased  in the Private  Placement by the Nathan Low IRA) and
75,338 Private  Placement  Commission and Expense  Shares.  

     (7)  Includes  30,938  shares  issuable  upon  exercise of options  with an
exercise  price of $7.44 per share,  64,137  shares  issuable  upon  exercise of
options with an exercise price of $9.60 per share,  53,144 shares  issuable upon
exercise of options with an exercise price of $7.80 per share, and 30,895 shares
issuable upon exercise of options with an exercise price of $7.20 per share.

     (8) Includes  23,869  Private  Placement  Commission and Expense Shares and
30,895 shares issuable upon exercise of Private Placement Commission Options.

     (9)  Includes  12,500  shares  issuable  upon  exercise of options  with an
exercise  price of $7.80 per share and 1,254 shares  issuable  upon  exercise of
options with an exercise price of $7.20 per share.  

     (10)  Includes  12,000  shares  purchased in the Private  Placement,  3,305
Private Placement  Commission and Expense Shares, and 1,254 shares issuable upon
exercise of Private Placement Commission Options.

     (11)  Includes  1,783  shares  issuable  upon  exercise of options  with an
exercise  price of $7.80 per share and 4,552 shares  issuable  upon  exercise of
options with an exercise price of $7.20 per share.

     (12)  Includes  5,000  shares  purchased  in the Private  Placement,  4,194
Private Placement  Commission and Expense Shares, and 4,552 shares issuable upon
exercise of Private Placement Commission Options.

     (13) Includes 472 shares issuable upon exercise of options with an exercise
price of $7.20 per share.

     (14) Includes 1,244 Private Placement Commission and Expense Shares and 472
shares issuable upon exercise of Private Placement Commission Options.

     (15)  Includes  2,157  shares  issuable  upon  exercise of options  with an
exercise price of $7.20 per share.

     (16) Includes  5,686 Private  Placement  Commission  and Expense Shares and
2,157 shares issuable upon exercise of Private Placement Commission Options.

     (17) Includes 674 shares issuable upon exercise of options with an exercise
price of $7.20 per share.

     (18) Includes 1,777 Private Placement Commission and Expense Shares and 674
shares issuable upon exercise of Private Placement Commission Options.

     (19)  Includes  56,829  shares  issuable  upon  exercise of options with an
exercise price of $7.20 per share.

     (20) Includes  20,000  shares  purchased in the Private  Placement,  32,997
Private Placement Commission and Expense Shares, and 56,829 shares issuable upon
exercise of Private Placement Commission Options.

     (21) Includes  17,000 shares  purchased in the Private  Placement and 6,523
Private Placement Commission and Expense Shares.

     The sale of shares  of  Common  Stock by the  Selling  Stockholders  may be
effected from time to time in transactions (which may include block transactions
by or for the  account  of the  Selling  Stockholders)  in the  over-the-counter
market or in  negotiated  transactions,  through  the writing of options on such
shares,  a combination of such methods of sale, or otherwise.  Sales may be made
at fixed prices which may be changed, at market prices prevailing at the time of
sale, or at negotiated prices.

    Selling  Stockholders  may effect such  transactions by selling their shares
directly to purchasers,  through broker-dealers acting as agents for the Selling
Stockholders,  or to  broker-dealers  who may purchase  shares as principals and
thereafter sell the shares from time to time in the over-the-counter  market, in
negotiated transactions, or otherwise. Such broker-dealers,  if any, may receive
compensation  in the form of discounts,  concessions,  or  commissions  from the
Selling  Stockholders and/or the purchasers for whom such broker-dealers may act
as agents or to whom they may sell as principals or both (which  compensation as
to a particular broker-dealer may be in excess of customary commissions).

    The Selling  Stockholders and  broker-dealers,  if any, acting in connection
with  such sale  might be deemed to be  "underwriters"  within  the  meaning  of
Section 2(11) of the Securities Act and any commission  received by them and any
profit on the resale of such shares might be deemed to be underwriting discounts
and commissions under the Securities Act.

                                  LEGAL MATTERS

    The  legality  of the  securities  offered  hereby will be passed on for the
Company by Andrea D.  Kantor,  Associate  General  Counsel of the  Company.  Ms.
Kantor owns 3,881  shares of Common  Stock and has  options to  purchase  24,376
shares of Common  Stock,  of which  options to purchase  10,188 shares of Common
Stock are currently exercisable.

                                     EXPERTS

    The  audited  consolidated  financial  statements  of the  Company  and  its
subsidiary at December 31, 1996 and 1995, and for each of the years in the three
year period ended December 31, 1996,  incorporated by reference herein have been
incorporated  by  reference  herein  in  reliance  upon the  report of KPMG Peat
Marwick LLP, independent certified public accountants, incorporated by reference
herein,  and  upon  the  authority  of said  firm as  experts  in  auditing  and
accounting.

                             ADDITIONAL INFORMATION

    The Company has filed with the Commission a  Registration  Statement on Form
S-3 under the  Securities  Act with  respect to the shares of Common Stock being
offered  by  this  Prospectus.  This  Prospectus  does  not  contain  all of the
information set forth in the  Registration  Statement and the exhibits  thereto,
certain  portions  of which  have been  omitted  as  permitted  by the rules and
regulations  of the  Commission.  For further  information  with  respect to the
Company  and the  Offering,  reference  is made to the  Registration  Statement,
including the exhibits  thereto,  which may be inspected  without  charge at the
Commission's principal office at 450 Fifth Street, N.W., Washington, D.C. 20549.
Copies of the Registration  Statement may be obtained from the Commission at its
principal office upon payment of prescribed fees.  Statements  contained in this
Prospectus  as to the  contents  of any  contract  or  other  document  are  not
necessarily complete, and in each instance where such contract or other document
is an exhibit to the  Registration  Statement,  reference is made to the copy of
such  contract  or  other  document  filed  as an  exhibit  to the  Registration
Statement, each statement being qualified in all respects by such reference.

<PAGE>





    No dealer,  salesperson, or any other person has been authorized to give any
information or to make any  representations  other than those  contained in this
Prospectus,  and, if given or made, such information or representations must not
be relied upon as having been authorized by the Company or the Underwriter. This
Prospectus does not constitute an offer to sell or the solicitation of any offer
to buy any of the  securities  offered hereby to anyone in any  jurisdiction  in
which such offer or  solicitation  is  unlawful.  Neither  the  delivery of this
Prospectus nor any sale made hereunder  shall,  under any  circumstances,  imply
that  there  has  been no  change  in the  affairs  of the  Company  or that the
information herein is correct as of any time subsequent to the dates as of which
such information is given.












                                TABLE OF CONTENTS

                                               Page
The Company                                       3
Risk Factors                                      3
Capitalization                                   12
Plan of Distribution                             13
Selling Stockholders                             14
Legal Matters                                    17
Experts                                          17
Additional Information                           17









                            Interferon Sciences, Inc.



                                3,088,453 Shares

                                       of

                                  Common Stock






                                   PROSPECTUS

















                                                               , 1997






<PAGE>




                                     PART II

                     INFORMATION NOT REQUIRED IN PROSPECTUS

    Item 14.  Other Expenses of Issuance and Distribution.

    The  following  table sets forth an itemized  statement  of all  expenses in
connection with the issuance and distribution of the securities being registered
hereby. All are estimated except the SEC fee.

                    SEC registration fee                  $6,852.58
                    Accounting fees and expenses           5,000.00
                    Legal fees and expenses               15,000.00
                    Miscellaneous                          3,147.42
                                                           --------
                              Total                      $30,000.00

    Item 15.  Indemnification of Directors and Officers

    Article 9 of the Company's  Restated  Certificate of Incorporation  provides
that the Company shall, to the full extent then permitted by law,  indemnify all
persons whom it may indemnify pursuant thereto.  In addition,  Article 10 of the
Company's Restated Certificate of Incorporation eliminates personal liability of
its directors to the full extent  permitted by Section  102(b)(7) of the General
Corporation Law of the State of Delaware.

    Section 145 of the General  Corporation Law of the State of Delaware permits
a  corporation  to  indemnify  its  directors  and  officers   against  expenses
(including  attorney's fees),  judgments,  fines and amounts paid in settlements
actually and reasonably  incurred by them in connection with any action, suit or
proceeding brought by third parties, if such directors or officers acted in good
faith and in a manner  they  reasonably  believed to be in or not opposed to the
best interests of the  corporation  and, with respect to any criminal  action or
proceeding, had no reason to believe their conduct was unlawful. In a derivative
action, i.e., one by or in the right of the corporation,  indemnification may be
made only for  expenses  actually  and  reasonably  incurred  by  directors  and
officers in connection  with the defense or settlement of an action or suit, and
only with  respect  to a matter as to which  they shall have acted in good faith
and in a manner  they  reasonably  believed  to be in or not opposed to the best
interest of the  corporation,  except that no  indemnification  shall be made if
such person shall have been adjudged liable to the corporation,  unless and only
to the  extent  that the court in which the  action  or suit was  brought  shall
determine  upon  application  that  the  defendant  officers  or  directors  are
reasonably  entitled to indemnity for such expenses despite such adjudication of
liability.

    Section  102(b)(7) of the General  Corporation  Law of the State of Delaware
provides that a corporation  may eliminate or limit the personal  liability of a
director to the corporation or its  stockholders for monetary damages for breach
of  fiduciary  duty as a  director,  provided  that  such  provision  shall  not
eliminate  or limit  the  liability  of a  director  (i) for any  breach  of the
director's duty of loyalty to the corporation or its stockholders, (ii) for acts
or omissions  not in good faith or which  involve  intentional  misconduct  or a
knowing violation of law, (iii) under Section 174 of the General Corporation Law
of the State of Delaware,  or (iv) for any  transaction  from which the director
derived an improper personal benefit. No such provision shall eliminate or limit
the liability of a director for any act or omission  occurring prior to the date
when such provision becomes effective.

    The Company  currently has a $1,000,000  directors' and officers'  liability
insurance policy.

    Item 16.  Exhibits.

     5.1  -   Opinion of Andrea D. Kantor, Esq., Associate General Counsel,
              Registrant, as to the legality of the securities being registered*
    23.1  -   Consent of Independent Auditors*
    23.2  -   Consent of Andrea D. Kantor (included in Exhibit 5.1)*
    ----------
    * Filed herewith.

    Item 17.  Undertakings.

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

    A. The  undersigned  Registrant  hereby  undertakes  that,  for  purposes of
determining  any  liability  under  the  Securities  Act,  each  filing  of  the
Registrant's  annual  report  pursuant to section  13(a) or section 15(d) of the
Securities  Exchange  Act of 1934  (and,  where  applicable,  each  filing of an
employee  benefit  plan's  annual  report  pursuant  to  section  15(d)  of  the
Securities  Exchange  Act of 1934) that is  incorporated  by  reference  in this
Registration  Statement  shall  be  deemed  to be a new  registration  statement
relating to the securities  offered herein,  and the offering of such securities
at that time shall be deemed to be the initial bona fide offering thereof.

    B. The undersigned Registrant hereby undertakes:

     (1) To file,  during any period in which  offers or sales are being made, a
post-effective amendment to this registration statement:

     (i)  To  include  any  prospectus  required  by  Section  10(a)(3)  of  the
Securities Act;

     (ii) To reflect in the  prospectus  any facts or events  arising  after the
effective date of the registration  statement (or the most recent post-effective
amendment  thereof)  which  individually  or  in  the  aggregate,   represent  a
fundamental  change in the information set forth in the registration  statement.
Notwithstanding the foregoing,  any increase or decrease in volume of securities
offered (if the total dollar value of  securities  offered would not exceed that
which  was  registered)  and any  deviation  from  the  low or  high  end of the
estimated maximum offering range may be reflected in

<PAGE>


           the form of  prospectus  filed with the  Commission  pursuant to Rule
        424(b) if, in the aggregate,  the changes in volume and price  represent
        no more than a 20% change in the maximum  aggregate  offering  price set
        forth in the  "Calculation of  Registration  Fee" table in the effective
        registration statement; and

           (iii) To include any material information with respect to the plan of
        distribution not previously  disclosed in the registration  statement or
        any material change to such information in the registration statement;

        Provided,  however,  That paragraphs  (1)(i) and (1)(ii) do not apply if
    the  information  required to be included in a  post-effective  amendment by
    those paragraphs is contained in periodic reports filed with or furnished to
    the Commission by the Registrant  pursuant to section 13 or section 15(d) of
    the Securities  Exchange Act of 1934 that are  incorporated  by reference in
    this Registration Statement.

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

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



<PAGE>


                                   SIGNATURES

    Pursuant to the  requirements  of the Securities Act of 1933, the Registrant
certifies  that it has  reasonable  grounds to believe  that it meets all of the
requirements  for filing on Form S-3 and has duly caused this Amendment No. 1 to
Registration Statement to be signed on its behalf by the undersigned,  thereunto
duly authorized, in the City of New York, and the State of New York, on this 8th
day of September, 1997.

                                               INTERFERON SCIENCES, INC.

                                               By: LAWRENCE M. GORDON
                                                   Chief Executive Officer

    Pursuant  to  the   requirements   of  the  Securities  Act  of  1933,  this
Registration  Statement  has  been  signed  by the  following  persons  in their
capacities on September 8, 1997.

Samuel H. Ronel, Ph.D.                   Chairman of the Board
          

Lawremce M. Gordon                       Chief Executive Officer and Director
                                         (Principal Executive Officer)

Stanley G. Schutzbank, Ph.D.            President and Director


                                         Director
Leon Botstein, Ph.D.

                                         Director
Jerome I. Feldman

                                         Director
Sheldon L. Glashow, Ph.D

Scott N. Greenberg                       Director

                                         Director
Roald Hoffmann, Ph.D

Martin M. Pollak                         Director

Donald W. Anderson                       Controller (Principal Accounting and
                                         Financial Officer)


    The  foregoing  constitute  a  majority  of  the  members  of the  Board  of
Directors.


<PAGE>



                                INDEX TO EXHIBITS

                                                                Sequentially
Exhibit                              Description                  Numbered
Number                                                              Page
- ------              
5.1              Opinion of Andrea D. Kantor, Esq., Associate General
                 Counsel, Registrant, as to the legality of the securities
                 being registered*
23.1             Consent of Independent Auditors*
23.2             Consent of Andrea D. Kantor (included in Exhibit 5.1)*
- ----------
* Filed herewith.


<PAGE>






                                                                     EXHIBIT 5.1

Interferon Sciences, Inc. [LOGO] [LETTERHEAD]

                                                               September 8, 1997

Interferon Sciences, Inc.
783 Jersey Avenue
New Brunswick, New Jersey 08901

Gentlemen:

   Reference is made to the  Registration  Statement  on Form S-3 of  Interferon
Sciences,  Inc. (the  "Company")  relating to the  registration of shares of the
Company's common stock, par value $.01 per share (the "Common Stock").

   I am  Associate  General  Counsel  of the  Company,  and have  examined  such
corporate records and other documents as I have deemed relevant.  Based upon the
above,  I am of the  opinion  that the Common  Stock to be sold  pursuant to the
Registration  Statement  is validly  authorized  and  issued,  fully  paid,  and
non-assessable.

   I  hereby  consent  to the  filing  of  this  opinion  as an  exhibit  to the
Registration Statement and the use of my name in the Prospectus.

                                                   Very truly yours,

                                                   Andrea D. Kantor





                                                                    EXHIBIT 23.1

                         CONSENT OF INDEPENDENT AUDITORS

   The Board of Directors
   Interferon Sciences, Inc.

   We consent to the use of our report  incorporated  herein by reference and to
the reference to our firm under the heading "Experts" in the prospectus.

                                                   KPMG PEAT MARWICK LLP

   New York, New York
   September 8, 1997








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