CISTRON BIOTECHNOLOGY INC
10-K, 1996-10-01
IN VITRO & IN VIVO DIAGNOSTIC SUBSTANCES
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                     SECURITIES AND EXCHANGE COMMISSION
                           Washington, DC 20549
    
                                FORM 10-K

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

                    For the Fiscal Year Ended June 30, 1996
                                     OR
           [ ]  TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d)
                     OF THE SECURITIES EXCHANGE ACT OF 1934

                 For the transition period from      to
                         ---------------------------
                         Commission File No. 0-15271
                         ---------------------------
                         CISTRON BIOTECHNOLOGY, INC.
            (Exact name of Registrant as specified in its Charter)

                        Delaware          22-2487972
        (State or other jurisdiction     (IRS Employer Identification No.)
      of incorporation or organization)  

       10 Bloomfield Avenue, Pine Brook, New Jersey              07058
        (Address of principal executive offices)               (zip code)

             Registrant's telephone number, including area code:
                                 201-575-1700
          Securities registered pursuant to Section 12(b) of the Act:
                                    None
          Securities registered pursuant to Section 12 (g) of the Act:
                                 Yes X  No
                                     -
                   Common Stock, $0.01 par value
  Indicate by check mark whether the Registrant (1) has filed all reports
 required to be filed by Section 13 or 15(d) of the Securities Exchange
 Act of 1934 during the preceding 12 months (or for such shorter period that
 the Registrant was required to file such reports), and (2) has been subject
 to such filing requirements for the past 90 days.
                                 Yes X  No
                                     -
  Indicate by check mark if disclosure of delinquent filers pursuant to Item
 405 of Regulation S-K is not contained herein, and will not be contained,
 to the best of Registrant's knowledge, in definitive proxy or information
 statements incorporated by reference in Part III of this form 10-K or any
 amendment to this Form 10-K. [   ]

  The aggregate market value of the voting stock (Common Stock, $0.01 par
 value) held by non-affiliates of the Registrant was $4,803,296 on August 30,
 1996 based on the average of the closing bid and asked prices of the Common
 Stock on such date.

  The aggregate number of Registrant's outstanding shares on August 30, 1996
 was 26,882,990 shares of Common Stock, $.01 par value.

                Documents incorporated by reference:
                               None
==============================================================================
<PAGE>

                                PART I

 Item 1. Business.

 General

  Cistron Biotechnology, Inc. ("Cistron" or the "Company") is a biotechnology 
 company that uses recombinant DNA and immunological techniques to
 manufacture a line of cytokine products which it sells to the research
 market worldwide.  Cytokines, consisting of lymphokines and monokines,
 are proteins that are regulators of the human immune response system
 released in the body by white blood cells.  Cistron's current products are
 sold to pharmaceutical companies, government agencies and academic
 institutions in the United States, Europe and Asia for cancer,
 arthritis and other autoimmune disease research.  Cistron has also
 initiated development of immune system related products which may have
 applications in the diagnostic markets.
	
  The Company's principal current products consist of Interleukin-1 beta ("IL-
 1"), a lymphokine which initiates the immune response, monoclonal and
 polyclonal antibodies to IL-1 ("IL-1 Antibodies"), and an assay kit that
 measures IL-1 levels (the "IL-1 Assay").  The Company's IL-1 products are
 based upon the technology derived from research funded by Cistron on
 Interleukin-1 beta, the predominant form of IL-1 in humans, at the New
 England Medical Center Hospitals, Inc., Tufts University, Massachusetts
 Institute of Technology and Wellesley College (the "Institutions"). 
 Cistron also manufactures and sells assays which measure tumor necrosis
 factor-alpha ("TNF"), which is a monokine that acts as a mediator of
 inflammation, and assays which incorporated both TNF and IL-1.  In addition,
 the Company distributes in North America and Asia assays that measure another 
 lymphokine, Interleukin-6, which is principally manufactured by another
 company. See Item 1 - Business - Products. 

  The Company's ability to produce and distribute its principal current
 products  is derived from the following licenses: (i) an exclusive license
 from the  Institutions to make, use, sell, and to sublicense to others,
 products based upon IL-1 under certain patents issued and pending in the
 United States and patent spending internationally (collectively, the
 "IL-1 Patents"), and (ii) an exclusive license from Rijksuniversiteit
 of Limburg (Holland) under which the Company is supplied TNF antibodies.
 The Company also has the following licenses under which no products have
 been developed to date: (i) a non-exclusive royalty free license from
 The DuPont Merck Pharmaceutical Company ("DuPont Merck") to certain IL-1
 mutants and related technology under certain patents pending in the U.S.
 and internationally and (ii) an exclusive license from the Institutions
 (part of the same license that relates to IL-1 products) to develop an
 inhibitor to tissue plasminogen activator, which may have clinical utility
 in treating some bleeding disorders or inflammatory conditions.
 See Item 1 - Business - Licenses.

  Cistron seeks strategic alliances with corporate or other partners to
 develop  or finance Cistron's development of therapeutic and diagnostic
 applications of cytokine products.  In that regard, in March 1992 Cistron
 entered into a license agreement with Genetic Therapy, Inc. ("GTI"), now
 owned by Sandoz, under which Cistron granted GTI an exclusive, worldwide
 sublicense under the IL-1 Patents to make, use and sell genetic therapy
 products incorporating IL-1 for the prevention or treatment of cancer in
 humans.  No products have been developed under this license agreement to
 date.  In May 1993, Cistron granted an exclusive sublicense to Biotech
 Australia Pty. Limited ("Biotech"), a jointly owned subsidiary of
 Hoechst A.G. and Hoecsht Australia Ltd., to make, use and sell plasminogen
 activator inhibitor ("PAI- 2") protein in the U.S. using technology
 contained in Cistron's PAI-2 DNA patent. Cistron has recently initiated
 development of a PAI-2 assay, using Biotech's reagents, which, if
 successfully developed, Cistron would sell to the North American research
 market.  In December 1994, Cistron granted a sublicense to another company
 for use of IL-1 in its pharmaceutical research program.  Cistron and Research
 and Diagnostic Systems, Inc. ("R&D Systems") entered into a license and
 supply agreement in March 1995 and a research and development agreement in
 April 1995.  Under these agreements, R&D Systems purchases Cistron's IL-1
 protein and may purchase IL-1 assay components for resale to the research
 market worldwide and funds some of Cistron's product development in return
 for certain co-marketing rights. See Item 1 - Business- Licenses.
 In March 1996, the Company entered into a non-exclusive license with another
 company under which the Company will use the company's reagents to attempt
 to develop an assay to measure interleukin converting enzyme ("ICE").
 If developed, the Company will sell this assay to the research market
 worldwide and pay royalties, based on sales, to the licensor.  See Item
 1 - Business - Product Development.
	
  The Company is a development stage company, has not generated significant
 revenues and none of its products have been submitted to or received
 approval by the Food and Drug Administration ("FDA") for the sale of such
 products to the diagnostic or therapeutic markets.

                                 2
<PAGE>

  The Company was incorporated in Delaware in 1983 under the name Cistron 
 Technology, Inc. and commenced operations in May 1984 as successor to a
 research and development partnership organized in 1982.  From May 1988 to
 April 1990, the Company operated as a debtor in possession under Chapter 11
 of the Federal Bankruptcy Code due principally to an unsuccessful attempt to
 effect a leveraged acquisition. In April 1990, the Company's motion for 
 dismissal of its Chapter 11 petition was granted.  The executive offices of
 the Company are located at 10 Bloomfield Avenue, Pine Brook, New Jersey
 07058 (Telephone No. 201-575-1700).

 Products

  Cistron is a biotechnology company that uses recombinant DNA and
 immunological techniques to manufacture a line of cytokine products which it
 sells to the research market worldwide.  Cytokines, consisting of lymphokines
 and monokines, are proteins that are regulators of the human immune response
 system released in the body by white blood cells.  The function of the immune
 system is to protect the body against infectious agents, including viruses,
 bacteria, parasites and malignant (cancer) cells.  The normal immune system
 is finely tuned and imbalances may lead to a variety of diseases.

  Two classes of white blood cells, macrophages and monocytes (the surveillance 
 system) and lymphocytes (the antibody producing cells), are primarily
 responsible for immunity.  It is generally believed that the activities of
 macrophages and lymphocytes are controlled, to a large extent, by a specific
 group of regulators called lymphokines; the lymphokines, in turn, are released
 by the class of white blood cells which constitute the surveillance system.
 The lymphokines attach to specific sites, called receptors, on the surface of
 cells that constitute the immune system, and impart their "messages" through
 these contact points, controlling the growth and maturation of the cells and
 thereby primes the immune system for response following infection or exposure
 to noxious agents.

  An important feature of the immune response is the detection of noxious 
 agents by macrophages and monocytes which thereupon release IL-1.  The IL-1
 then activates a subset of secondary cells, the T-lymphocytes, which have two
 functions.  T-lymphocytes can attack foreign cells and can augment the
 antibody response of a second type of lymphocytic cell, the B-lymphocyte.  The
 B-lymphocytes secrete antibodies which, if effective, inactivate the invading
 bacteria, viruses or other noxious agents.  The interplay among macrophages,
 B-cells and T-cells determines the strength and breadth of the body's response
 to infection.
 
  Insufficient production of lymphokines may lead to immune
 deficiency states.  Over-production of lymphokines may promote severe
 allergies and autoimmune diseases such as rheumatoid arthritis.

  Cistron's current products are sold to pharmaceutical companies, government 
 agencies and academic institutions in the United States, Europe and Asia for
 cancer, arthritis and other autoimmune disease research.  For the fiscal year
 ended June 30, 1996 ("Fiscal 1996"), 50% of Cistron's gross sales were made to
 three major customers, Genzyme, Merck, Frosst and VWR Scientific.  The loss
 of any of these companies, if a comparable new customer is not found,  would
 have a material adverse effect on the Company's business.

	IL-1 Related Products

  The Company's principal current products consist of IL-1, IL-1 Antibodies
 and the IL-1 Assay and are sold principally to university or commercial
 research groups that use such products in connection with their own
 immunological research and development.  In the Spring of 1994, Cistron
 introduced to the research market, recombinant IL-1 precursor and an IL-1
 precursor ELISA.  Both products are exclusively manufactured by the Company.
 The focus of these products is to provide the researcher with an additional
 tool for a clearer understanding of the IL-1 molecule.  The sale of IL-1
 products accounted for approximately 66% of Cistron's gross sales for Fiscal
 1996 (which included sales of TNF/IL-1 assays). See Item 7 - Management's
 Discussion and Analysis of Financial Condition and Results of Operations.

  The Company is in the process of developing additional products that may
 adapt the IL-1 Assay for diagnostic purposes.  See Item 1 - Business -
 Product Development.

 	Tumor Necrosis Factor-alpha
	
  Since June 1989, the Company has been manufacturing and selling through the 
 same distribution network as used for sales of its IL-1 product line, an
 assay to measure TNF.   The sale of TNF assays and TNF/IL-1 assays accounted
 for approximately  35% of gross sales for Fiscal 1996. See Item 7- 
 Management's Discussion and Analysis of results of operations and financial
 conditions.

                                    3
<PAGE> 

  TNF, like IL-1, is a cytokine in the immune system.  TNF is a mediator
of inflammation and may also play a role in the destruction of cancer cells.
The assay was developed under a license from Rijksuniversiteit of Limburg,
a Dutch university, which developed certain antibodies used in this product.
See Item 1 - Business - Licenses.

 	Other Products

  The Company distributes another lymphokine assay which measures Interleukin-6 
("IL-6") to the North American and Asian research markets.  This product, 
however, is substantially manufactured by another company, and accounted for
less than 5% of the Company's gross sales in Fiscal 1996.

   Product Development

  In Fiscal 1994, Fiscal 1995, and Fiscal 1996 the Company incurred research
and development expenses of $64,000, $62,500, and $111,500 respectively,
which amounts do not include project expenses incurred by the manufacturing
group, included under cost of sales.  

  Cistron's product development strategy with respect to its present line of 
products has been to contact university or commercial research groups that
have achieved results in the identification and production of cytokines and
for antibodies to those proteins and to fund short-term, highly focused
developmental research aimed at providing the Company with protein and
antibody supply.  Once a supply level is obtained, the Company's in-house 
scientists screen the materials and then develop assays for sale to the
research market.

  Cistron has attempted to broaden its development strategy to include 
development of cytokine-based therapeutic and diagnostic products for sale
to the therapeutic and diagnostic markets.  The Company is seeking corporate
partners to develop, or to finance Cistron's development of, cytokine-based
therapeutic and diagnostic products.

  	Cancer Therapeutics

  Tests on animals and isolated cancer cell preparations have indicated that
IL-1 has potential utility as an anti-cancer agent and that it may also
serve as an adjunct for use in combination with other cancer therapeutics to
kill cancer cells.  In furtherance of the Company's broader development
strategy, Cistron, in March 1992, entered into a license agreement with GTI
under which Cistron granted GTI an exclusive, worldwide sublicense under the
IL-1 Patents to make, use and sell genetic therapy products incorporating
IL-1 for the prevention or treatment of cancer in humans.  The term of the
sublicense is coterminous with Cistron's license from the Institutions. 
Sandoz Ltd. has acquired GTI.  It is not known what effect, if any, such
acquisition, will have on the Company's license to GTI. No products have
been developed for testing in clinical trials under this license. 
Additionally, in May 1993, Cistron granted a license to the PAI-2 Patents to
Biotech to make, use and sell PAI-2 protein.  PAI-2 is a protein synthesized
by white blood cells which acts to inhibit plasmin, an enzyme which dissolves
blood clots, but also promotes tumor metastasis.  Thus it is felt that PAI-2
could be useful in treating cancer.  For a discussion of the Company's
marketing strategy for products to be developed under the GTI and Biotech
license agreements, See Item 1 - Business - Marketing and Distribution
below.

 	IL-1 Measurement
	
  Elevated levels of IL-1 have been associated with rheumatoid arthritis, 
periodontal disease and other autoimmune diseases.  The IL-1 Assay is being
adapted as a diagnostic product for the detection of periodontal disease, a 
condition which affects more than 75% of the adult population over the age of
35 in the United States.  In October 1991, Cistron received a Phase I
research grant from the SBIR Program to initiate development of such a
product (the "Periodontal Assay"), adapting Cistron's IL-1 Assay for
in-office use by dentists and periodontists to detect and monitor periodontal
disease.  A 132-patient study, which was funded under the grant, was
completed in August 1992 and was conducted by Cistron and the University of
Medicine and Dentistry of New Jersey. Under its April 1995 research and
development agreement with Cistron, R&D Systems will fund additional
periodontal studies and assay development conducted by Cistron.  To this
end, Cistron entered into a one-year sponsored research agreement with a
dental school in August 1995.  Patient enrollment in this study was not
completed before January 1996 and therefore, the completion date of this
agreement has been extended, informally, without additional funding from
the Company.

  The Company believes that its IL-1 Assay also has potential diagnostic 
application in assessments of immune competence in individuals with
alterations in immune function, including cancer patients, immunocompromised
individuals (such as persons receiving high doses of steroids) and the
elderly.  The IL-1 Assay may also have potential utility in identifying
patients that may develop septicemia, such as post-surgery patients.  The
addition of the IL-1

                                   4
<PAGE>

precursor ELISA is expected to aid these studies by providing researchers
with a more comprehensive view of the total IL-1 synthesis. The Company
filed a U.S. patent application with respect to its IL-1 Assay in May 1987
and in December 1995, U.S. Patent No. 5,474,899 was issued.

 	Inhibitors of the Immune Response

  Recombinant DNA technology enables the Company to produce human IL-1 in
large quantities and to conduct research on modifying the molecule in such
a way as to act as a reversible, non-toxic inhibitor of the immune response.
Research sponsored by the Company has led to the discovery of a molecule
which, in preliminary experiments, has shown to have the same ability to bind
receptor sites as natural IL-1, but with greatly diminished IL-1 activity. 
Theoretically, such a molecule would compete with natural IL-1 for binding
sites and would, therefore, reduce the effects of the resulting IL-1 biologic
response.  Significant further research will be needed to discover if this
molecule will have any clinical utility as an immune response inhibitor. 
The Company is seeking a partner to develop this technology and after
obtaining the necessary regulatory approvals, to market the resulting
products.

  Inhibitors of the immune response have potential application in the
treatment  of arthritis, periodontal disease, other autoimmune diseases,
severe allergies, septic shock and bleeding disorders although the Company
has not yet developed the related products.

  Arthritis and Periodontal Disease. As overproduction of IL-1 promotes the
bone demineralization, cartilage degradation and joint inflammation
associated with rheumatoid arthritis and loss of attachment of the teeth to 
the jaw in periodontal disease, compounds which inhibit IL-1 may be useful
in the treatment of these diseases.  The therapeutic agents currently
available for treatment of these diseases may have serious side effects
which may limit their utility.

  Other Autoimmune Diseases. There are a number of other diseases in which,
it is believed, the body's immune system reacts to its own tissue as if it
were an antigen (foreign body) and against which it mounts an immune
response.  Such diseases, termed autoimmune diseases, include (in addition
to rheumatoid arthritis) myasthenia gravis and lupus.  Therapeutics
developed from IL-1 inhibitors may be of use in treating these diseases.

  Severe Allergies. Persistent severe allergies, such as bronchial asthma,
may be resistant to conventional therapy or require such high doses of
antihistamines and/or corticosteroids as to burden patients with damaging
side effects.  Mutant forms of IL-1 or chemical inhibitors of the actions of
IL-1 on T-lymphocytes may block the hyperimmune response that results in
intractable allergic symptoms.

  Septic Shock. It is estimated that approximately 100,000 people die
annually in the U.S. as the result of septicemia (commonly referred to as
septic shock).  Increased levels of cytokines, especially IL-1, TNF, and
IL-6, have been indicated as mediators of septic shock.  Neutralizing
monoclonal antibodies or inhibitors of IL-1 may prove useful, perhaps in
conjunction with other therapeutics, in treating sepsis patients.

  Bleeding Disorders. The Company's license from the Institutions includes an
exclusive license to certain issued U.S. patents and associated technology
related to PAI-2 which may have clinical utility in treating some bleeding
disorders or as an anti-inflammatory agent.  The Company has not yet
commenced any research in this area, and in May 1993, Cistron granted a
sublicense to the PAI-2 DNA Patents to Biotech to make, use and sell PAI-2
protein for therapeutic products in the U.S.

  Treatment of Immune Deficiency States
	
  Insufficient production of cytokines may prove to be involved in some immune
deficiency states.  Such conditions can occur at birth, be induced 
following viral infection or be induced as a side effect of treatment for a
primary clinical condition.  The Company believes that administration of
IL-1 may be effective in treating some immune deficiency states, but has not
yet commenced any research in this area.

  Marketing and Distribution

  The Company's President and his Administrative Assistant devote
substantial time to marketing, as the Company does not have a
marketing department.  The  marketing effort consists of direct
mail and trade journal advertising to the  research market and personal
solicitation of potential marketing partners.  Cistron also uses
distributors in the United Kingdom, Europe, Japan, and  Taiwan to sell the
current product line outside of North America.

  In June 1993, Cistron and Genzyme entered into a sponsored research and
supply agreement under which Genzyme co-markets certain of Cistron's
current research products, under Genzyme's label, and received co-marketing

                                     5

<PAGE>

rights to new IL-1 based research products which might have been developed by
Cistron under funding from Genzyme.  No such products were developed to the
state of marketing readiness under this agreement.  In July 1996, Cistron
and Genzyme entered into a two year Supply Agreement to continue that
portion of the 1993 agreement.  In March 1995, Cistron entered into a
license and supply agreement with R&D Systems under which R&D Systems 
will purchase Cistron's IL-1 protein and may purchase certain IL-1 assay
components for resale, under R&D System's label, to the research market. 
R&D Systems has not commenced sales of assays using Cistron's components and
is not obligated to do so.  Under the April 1995 research and development
agreement, R&D Systems will have exclusive co-marketing rights to 
additional cytokine research products and to the  IL-1 periodontal assay
that Cistron may develop with funding by R&D Systems. 

  The Company's strategy has been to avoid costly selling and marketing 
expenses, and to concentrate its resources on research and product development,
and it is anticipated that the Company's clinical and therapeutic products,
if developed, will be distributed through pharmaceutical and diagnostic
companies under licensing or joint venture arrangements.  The Company has
entered into the GTI license agreement, under which the Company will receive
royalties on net sales of all genetic therapy products incorporating IL-1
for the prevention or treatment of cancer in humans ("Licensed Products")
sold by GTI.  Additionally, in May 1993 Cistron entered into the Biotech
agreement under which Cistron will receive royalties on the net sales of
therapeutic PAI-2 products sold by Biotech or its affiliates in the U.S.
Cistron obtained a cross license from Biotech for development of PAI-2
diagnostic products.  Cistron has been advised by Biotech that it opened an
Australian manufacturing facility in October 1994, has conducted anti-
inflammatory animal studies, and initiated a Phase I  human clinical
trial in  Australia in August 1996. 

   Licenses

  Cistron has an exclusive, worldwide license from the Institutions to make,
use and sell, and to sublicense to others, products adapting the IL-1
Patents and to make, use and sell products incorporating related technology.
The Company was granted this license in return for funding the research and
development resulting in the issuance to the Institutions of the IL-1 Patents.
The term of such license is the life of the IL-1 Patents, with respect to
the patents, and October 1, 2000, in the case of the related technology, in
each case excluding any time required for pre-market clearance that may be
required by a U.S. regulatory agency.  The Company pays a royalty on IL-1
sales to the Institutions.  If the Company enters into a joint venture with
another company to commercialize IL-1, the Company must pay a royalty to the
Institutions on sales to the joint venture partner and royalties received
from such partner.  If the Company enters into sublicense arrangements with
other companies which are not joint ventures, the Company must pay a royalty
of 50% of royalties received from the sublicensee.  Cistron has been involved
in litigation and a patent regulatory proceeding in order to protect its
rights to the IL-1 Patents from infringement.  See Item 1 - The Company -
Patent Protection.

  Cistron's ability to manufacture the TNF assays and TNF/IL-1 assays is
derived from its exclusive, worldwide license from Rijksuniversiteit of
Limburg (Holland), under which the university supplied Cistron with TNF
antibodies owned by the university.  The Company pays this university a
royalty on sales of such products.  The Company, at its sole discretion, may
expand its rights to use these antibodies in clinical diagnostic kits upon
the payment of a fee to Rijksuniversiteit of Limburg.  The license expires
in September 1998.

  The Company's license from the Institutions also includes an exclusive
license to certain issued U.S. patents and associated technology relating to
PAI-2 which may have clinical utility in treating cancer and some bleeding
disorders.  The Company entered into the Biotech Agreement in May 1993. 
Cistron has recently initiated development of a PAI-2 assay, using Biotech's
reagents, which, if successfully developed, Cistron would sell to the North
American research market.  See Item 1 - Business - Product Development -
Inhibitors of the Immune Response - Bleeding Disorders.

  In March 1996, the Company entered into a non-exclusive license with another
company under which the Company will use that company's reagents to try to
develop an assay to measure interleukin converting enzyme ("ICE").  If
developed, the company will sell such assay to the research market worldwide
and pay royalties, based on sales, to the licensor. 

  The Company currently sublicenses patents and related technology to others 
under the GTI, Biotech, and R&D Systems license agreements.  See Item 1 -
Business - Marketing and Distribution.

                                      6

<PAGE>

  Patent Protection

  Company investigators, both at universities and in-house, seek patent 
protection for technology when deemed appropriate and have filed
applications for U.S. and foreign patents relating to several different
products and processes. Between 1988 and 1996, five patent applications for
one of these products containing claims directed to various aspects of human
IL-1 and production of IL-1 and one directed to the PAI-2 DNA were issued to
the Institutions, from which the Company received an exclusive worldwide
license.  The European equivalent patent was issued in December 1993.   In
December 1995, a U.S. patent related to the Company's assay was issued.  In
addition to the issued IL-1 patents, a number of applications of the 
Institutions and Cistron are pending in the U.S. and foreign countries
covering an inhibitor to IL-1, IL-1 Antibodies, and additional claims for the
IL-1 Assay.  There can be no assurance that the pending applications will
result in the issuance of any patents or that the patents issued to date or
any future patents issued will provide substantial protection or be of
commercial benefit to the Company or to licensees of the technology.  The
Company is relying upon trade secrets, unpatented proprietary know-how and
continuing technological innovation to develop its competitive position.
However, there can be no assurance that others may not acquire or
independently develop similar technology.

  In December 1991, the Company, together with the Institutions, filed suit 
in U.S. District Court in Newark, New Jersey against PeproTech, Inc.,
alleging infringement of the Institutions' patent covering the production of
recombinant IL-1, to which the Company holds an exclusive license.
The Company and the Institutions sought money damages for Cistron's lost
sales and an injunction against further infringement.  In September 1993,
the U.S. District Court, District of New Jersey, granted the Company's and
the Institutions' motion for summary judgment against PeproTech. In its
decision, the Court concluded that the scope of the Institutions' patent
encompasses not only the full-length precursor of the IL-1 protein, but the
protein's fragments as well.  Trial was held during November and December
1993, in the United States District Court, District of New Jersey. In 
August 1994, the Court entered judgment in favor of the Company and the 
Institutions.  In its decision, the Court rejected PeproTech's arguments
against the validity of the Institution's IL-1 patent and found that
PeproTech's manufacture and sale of IL-1 was an infringement of the IL-1
patent.  The Court ruled that PeproTech's infringement was willful and
awarded $2.7 million in damages, interest and attorneys' fees to Cistron
and the Institutions in October 1994.  PeproTech filed a motion to stay
execution of the judgment pending appeal and Cistron and the Institutions
filed a motion to add PeproTech's president as a defendant.  In July 
1995, the Court denied both motions.  PeproTech then filed an amended notice
of appeal from the finding of patent validity and enforceability,
infringement and the damages award and also in July 1995, PeproTech filed a
petition under Chapter 11 of the Bankruptcy Code.

  Cistron and the Institutions filed a cross-notice of appeal requesting that
if the Appellate Court reduces the amount of the damages award, then the
Appellate Court should treble the award, based on PeproTech's willful
infringement, up to a maximum of the originally awarded $2.7 million.
Briefing by both parties at the Appellate Court has been completed.  Oral
argument before the Appellate Court is scheduled for October 7, 1996.  It is
not known when the appeal might be decided.

  On April 11, 1996, a hearing was held in District Court to determine if 
PeproTech and its owners violated the Court's 1995 orders that enjoined
PeproTech from infringing the IL-1 patent in the United States and which
limited the transfer of assets from PeproTech during a certain period in
1995.  It is not known when the District Court will make its rulings.

  PeproTech is still operating under the protection of the Bankruptcy Court 
while the appeal is pending.  PeproTech has submitted a plan of
reorganization to the Bankruptcy Court, but the plan has not yet been
approved.

  Any damages collected by the Company and the Institutions, net of 
reimbursement of legal fees and costs incurred by them in this litigation,
will be paid to the Company, which, in turn, will pay the Institutions an
amount equal to 7% thereof, representing the Institutions' lost royalties. 
The Company has agreed to pay one-half of the legal fees incurred by the
Company and the Institutions in connection with this litigation.  

  In January 1992, the Company was notified by the Institutions that the U.S. 
Patent and Trademark Office (the "Patent Office") had declared an interference 
between a pending application owned by the Institutions and licensed to the
Company and a pending application owned by Immunex Corp.  The subject matter
of the interference, as defined by the Patent Office, is "a substantially
pure IL-1 beta protein."   In October 1993, the Company was notified that
the U.S. Patent and Trademark Office Board of Appeals and Interferences had
entered a judgment of "no interference in fact" in the interference declared
in January 1992 between pending patent claims licensed to the Company by the
Institutions and pending patent claims of Immunex Corp.  The pending claims
will be referred back to the original examiners for

                                       7

<PAGE>

 further review.  Claims in the application owned by the Institutions and 
 licensed to the Company that was the subject of the interference were allowed
 and issued a U.S. Patent No. 5,510,462 in April 1996.

  In January 1996, the Patent Office granted U.S. patent No. 5,484,887 (the
 `887 patent) owned by Immunex Corp.  The `887 patent includes claims to
 purified, mature human IL-1b protein (claims 8-12).  In March 1996, a
 request for reexamination of the `887 patent was filed in the Patent Office.
 An order granting the request for reexamination of the `887 patent was issued
 by the Patent Office in May 1996.  Reexamination was granted on the grounds
 that a "substantial new question of patentability affecting claims 8-12 of
 United States Patent Number 5,484,887 is raised by the request for
 reexamination."  At this time a decision concerning the patentability of the
 claims in the `887 patent has not been reached by the Patent Office in the
 reexamination.
	
  On September 28, 1993, the Company filed suit in the U.S. District Court, 
 District of New Jersey, against Immunex Corporation alleging
 misappropriation of trade secrets related to IL-1 and seeking damages
 therefor.  Later that day, Immunex filed suit against the Company in the
 U.S. District Court, District of Washington, seeking declaratory judgment
 that Immunex did not misappropriate trade secrets and an injunction against
 the Company from claiming rights in Immunex's pending or issued patents. 
 In December 1993, the U.S. District Court, District of New Jersey,
 transferred the Company's suit against Immunex to the District of
 Washington where Immunex's suit against the Company was pending. Immunex had
 asserted a counterclaim against the Company claiming that certain conduct by
 the Company constituted unfair competition and a violation of federal and
 the State of Washington's Consumer Protection Acts.  In January 1994, the
 Company and Immunex agreed to combine the two suits into a single action in
 the District of Washington.

  In March 1994, Immunex filed a motion for summary judgment based upon
 statute of limitations and other time bar arguments.  The Company submitted a
 brief opposing Immunex's motion in April 1994.  Also in March 1994, Immunex
 filed a motion to a) limit discovery solely to issues related to the time
 bar issues and b) separate the potential trial between determination of
 liability and damages.  In June 1994, the Judge denied Immunex's summary
 judgment motion as well as its motion to limit discovery. Also in October
 1994, Immunex filed a motion to amend its counterclaim against the Company
 seeking a declaration of non-infringement, invalidity and
 nonenforceability of the IL-1b patent to which the Company holds an
 exclusive license.  

  The Company submitted a motion to dismiss Immunex's counterclaim and a 
 declaration promising not to sue Immunex for infringement of the IL-1b patent
 for Immunex's past, current or future production and use of IL-1b in its
 own research program; Immunex's existing or past commercial products or
 processes based on the use or sale of IL-1b; and Immunex's anticipated
 production and marketing of an IL-1 receptor based on Immunex's research
 and development which involved production or use of IL-1b. On September 18,
 1995, Immunex withdrew its declaratory judgment counterclaim.

  The Judge's order said that he will give consideration to having the same
 jury decide liability first, and then, if necessary,  decide damages issues
 following a short interval.  In October 1994, the Company filed a civil
 complaint in the U.S. District Court, Western District of Washington,
 against certain Immunex founders and former officers, alleging
 misappropriation of trade secrets, fraud, and violations of the civil RICO
 Act.  The Court granted the Company's motions to amend its complaint against
 Immunex to include a count alleging civil RICO Act violations and to
 consolidate its complaint against the Immunex founders with its complaint
 against Immunex.  The Company's RICO count was dismissed in April, 1996.  In
 November 1995, the Company filed to three additional causes of action
 against Immunex based on the same facts, for breach of duty of
 confidentiality, breach of contract/promissory estoppel, and unfair
 competition.  Immunex  moved for summary judgment on these counts in August
 1996.  In August 1996, Immunex also moved for summary  judgment  with 
 respect to trade secret misappropriation case because the Massachusetts 
 Institutions,  from  which  Cistron's  IL-1b  rights  were licensed,
 received NIH grants, and Immunex asserts that the Institutions cannot have
 trade secrets under the Bayh-Dole Act.   Immunex also filed two additional
 motions for summary judgment seeking to limit the Company's damages claims,
 and a motion to strike the Company's jury demand on damages.  The Company
 opposed each of those motions.  

  On September 4, 1996, Immunex filed a motion for voluntary dismissal of
 their unfair competition counterclaim.  The Court dismissed Immunex's
 counterclaim on September 24, 1996.

  In its answers to interrogatories, the Company indicated that it is 
 preliminarily seeking monetary damages of approximately $30 - $70 million
 from Immunex.  There can be no assurance as to what the final level of damages
 sought will be, or that the Company will be successful in receiving the amount
 sought either at trial or by settlement or that any award received might not
 be overturned or reduced after trial on appeal.

                                      8
<PAGE>

  On September 13, 1996, the District Court ruled on several motions for
 summary judgment in the Company's lawsuit against Immunex.  The Court denied
 Immunex's motion seeking a ruling that the Company's claims for trade secret
 misappropriation, breach of confidentiality, and breach of contract or
 promissory estoppel, were preempted by the federal Bayh-Dole Act, and entered
 summary judgment for the Company on the preemption issue, concluding that the
 Bayh-Dole Act does not preempt the Company's state tort and contract claims.
 The  Court also denied Immunex's motion for summary judgment on the Company's
 breach of confidentiality and breach of contract or promissory estoppel
 claims.

  The Court granted several of Immunex's motions for summary judgment on
 certain claims and measures of damages.  The Court granted Immunex's motion
 for summary judgment on the Company's unfair competition claim, and granted
 Immunex's motion for summary judgment on two means of measuring damages,
 holding that the Company may not measure damages by using the market price of
 Immunex stock, and holding that the Company may not seek damages at trial
 based on the interest calculation described in the parties' motion papers. 
 It was unclear from the Court's ruling whether the Company would be
 permitted to seek any sort of prejudgment interest or present value 
 component of damages at trial.

  Trial in the Immunex suit which had been scheduled for September 24, 1996 is 
 being rescheduled to November 1996 due to other scheduling conflicts of the
 Court.

  During fiscal years 1992 through 1996, the Company has incurred expenses 
 aggregating approximately $1.6 million in legal fees to protect the Company's
 patent position and will continue aggressive patent defense in the future.

  Government Regulation

  The manufacturing and marketing of pharmaceutical products requires the 
 approval of the FDA and comparable agencies in foreign countries.  The FDA
 has established mandatory procedures and safety standards which apply to the
 clinical testing, manufacture and marketing of pharmaceutical products.  The
 process of obtaining FDA approval for a new therapeutic drug may take
 several years and often involves the expenditure of substantial resources. 
 The steps required before a product can be produced and marketed for human use
 include preclinical studies, the filing of an Investigational New Drug
 ("IND") application, human clinical trials and the approval of a New Drug
 Application ("NDA"), a process which may take several years.

  Preclinical studies are conducted in the laboratory and in animal model 
 systems to gain preliminary information on the drug's efficacy and to
 identify major safety problems.  The results of these studies are submitted
 to the FDA as part of the IND application before approval can be obtained
 for the commencement of testing in humans.

  The human clinical testing program involves three phases.  Phase I studies
 are conducted on volunteers or, in the case of antitumor agents, on patients
 with terminal disease, to determine the maximum tolerated dose and any side
 effects of the product.  Phase II studies are conducted on patients having a
 specific disease to determine the product's efficacy and the most effective 
 doses and schedules of administration.  Phase III involves wide-scale studies
 on patients with the same disease in order to provide comparison with
 currently available drugs or biologics.  Data from Phase I, II and III trials
 are submitted in an NDA.  The NDA involves considerable data collection,
 verification and analysis, as well as the preparation of summaries of the
 manufacturing and testing processes, pre-clinical and clinical trials.  The
 FDA must approve the NDA before the drug may be marketed.

  The manufacture and marketing of in-vitro diagnostic products requires 
 compliance with regulations which, generally, are less difficult to comply
 with then those covering pharmaceuticals.  In the United States, many
 diagnostic products may be accepted by the FDA pursuant to a 510(k)
 application.  Such application must contain information which establishes
 that the product in question is "substantially equivalent" to similar
 diagnostic products already in general use.  The FDA has 90 days within
 which to respond to such application.  Failure to obtain acceptance 
 under the 510(k) application process would require an approval process
 involving lengthy and detailed laboratory and clinical testing, other
 costly and time-consuming procedures and extensive delays.

  The manufacture, marketing and sale of the products sold by the Company to
 the research market are not subject to FDA regulatory approval.

                                    9

<PAGE>

  The Company's business is also subject to regulation under the Occupational 
 Safety and Health Act, the Environmental Protection Act, the Nuclear Energy
 and Radiation Control Act, the Toxic Substance Control Act and the Resource
 Conservation and Recovery Act.

  The Company believes that it complies with the National Institutes of Health 
 guidelines for recombinant DNA research.

  Competition

  Many companies, including large pharmaceutical and biotechnology firms with 
 financial resources and research, development and marketing staffs and
 facilities substantially greater than those of Cistron, are engaged in
 researching and developing products similar to those under development by
 the Company.  The industry is characterized by rapid technological advances
 and competitors may develop comparable products more rapidly and/or
 effectively than those under development by Cistron. There can be no
 assurance that there will not be technological developments or break-through
 in the industry by others that would significantly reduce the
 competitiveness of the Company's products.

  Several companies have introduced IL-1 products to the research market in 
 competition to those of the Company.  The Company has notified others
 engaged in IL-1 products of the Company's license to IL-1 patents and the
 Company and the Institutions are reviewing competing IL-1 products for
 patent infringement.

  Manufacturing

   Although the Company's present manufacturing capacity is limited, it
  produces substantially all the products it is selling to the research
  market.

  Employees

  The Company has five full-time employees, consisting of its President, its 
 Vice President of Operations and Product Development, an Administrative
 Assistant, a senior scientist and a scientist.  In addition, the Chairman of
 the Board and Vice Chairman of the Board perform services on a part-time
 basis, each devoting approximately 10% of their time to the affairs of the
 Company. The Company also employs a part-time manufacturing worker and a
 scientist on a temporary basis.  None of the Company's employees are
 represented by a union or are covered by a collective bargaining agreement. 
 All employees of the Company have entered into agreements under which they are
 required to keep all information with regard to the business of the Company 
 confidential and to assign to the Company any inventions relating to the 
 Company's business made by them while in the Company's employment.  The
 Company believes its relations with its employees are excellent.

  Item 2. Properties.

  The Company leases approximately 12,500 square feet of combined laboratory
 and  office space at 10 Bloomfield Avenue, Pine Brook, New Jersey at a base 
 annual rental of approximately $123,000 (subject to increases based on the
 Consumer Price Index) plus utilities and taxes.  The lease agreement, as
 amended, is in effect through 1997, with a renewal option for five additional
 years.  The facility contains tissue culture, immunology, protein
 biochemistry, molecular biology and product development laboratories, all
 of which the Company believes are adequate for their present and anticipated
 future use.

  The Company owns all equipment required for its current operations; such 
 equipment is in satisfactory condition.

  Item 3. Legal Proceedings.

          See Item 1 - Business - Patent Protection.

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

          None.

                                   10

<PAGE>


                              PART II

 Item 5.  Market for the Registrant's Securities and Related Stockholder 
 Matters.

  The Company's Common Stock, par value $.01 per share (the "Common Stock") 
 is traded in the over-the-counter market through the National Association of
 Securities Dealers' Non-NASDAQ OTC Electronic Bulletin Board under the
 symbol "CIST".  The following table sets forth the high and low bid prices
 for the Common Stock, as reported by the National Quotation Bureau, Inc., 
 for each calendar quarter during the period from July 1, 1993.  The prices 
 reflect inter-dealer quotations without adjustment for retail markups,
 markdowns or commissions and may not represent actual transactions.
<TABLE>
<CAPTION>
<S>                                                                  <C>   
     Fiscal Year 1995                                  High             Low

 First Quarter  (July 1994 - Sept. 1994)...............1/20            1/100
 Second Quarter (Oct. 1994 - Dec. 1994)................1/16            1/100
 Third Quarter  (Jan. 1995 - March 1995)...............1/32            1/100
 Fourth Quarter (April 1995 - June 1995)...............1/14            1/50 

     Fiscal Year 1996                                  High             Low

 First Quarter  (July 1995 - Sept. 1995)...............1/14            2/33 
 Second Quarter (Oct. 1995 - Dec. 1995)................5/32            1/32 
 Third Quarter  (Jan. 1996 - March 1996)................7/8            1/20 
 Fourth Quarter (April 1996 - June 1996)...............7/16            7/32

      Fiscal Year 1997                                     
 First Quarter (through August 30, 1996)..............11/25            1/4



</TABLE>
  On August 30, 1996, the closing bid and asked prices for the Common Stock
 were $.35 and $.37.

  On August 30, 1996, there were approximately 784 holders of the Common
 Stock, excluding beneficial holders registered in nominee or street name.

  No cash dividends have been declared or paid on the Common Stock.  The
 Company does not anticipate paying dividends on the Common Stock in the
 foreseeable future.

  Item 6. Selected Financial Data.

  The following selected financial data are derived from the Company's
 financial statements and should be read in conjunction with and are
 qualified in their entirety by the financial statements, related notes and
 other financial information included elsewhere in this report.  Independent
 Auditors' Report includes an explanatory paragraph regarding certain
 conditions which raise substantial doubt about the Company's ability to
 continue as a going concern.  See - Independent Auditors' Report and Note 1
 to the  Financial Statements.


                                11


<TABLE>
<CAPTION>
 

 Summary of Operations:                                                                                
                                                                                                                            
                                                                                                                          
                                                                                                                    
                                                                                                                              


                                                       Year ended June 30,
                                 -------------------------------------------------------------------------
<S>                                 <C>          <C>         <C>             <C>             <C>
                                       1992          1993         1994            1995            1996
                                   ----------    ----------   ----------     -----------      ----------
Sales....................       $   1,025,397 $     916,047  $   874,627 $       649,949      $  562,161
Cost of Sales.............            400,751       403,236      359,177         341,041         320,429
                                   ----------    ----------   ----------      ----------      ----------
Gross Profits..............           624,646       512,811      515,450         308,908         241,732
                                                                                                                               
 Other Income:
<S>                                 <C>          <C>         <C>             <C>             <C>                             
License fee and funded research.      146,180       313,998        5,000         985,000         405,000                       
                                   ----------    ----------   ----------      ----------      ----------
Operating income before expenses      770,826       826,809      520,450       1,293,908         646,732
                                   ----------    ----------   ----------      ----------      ----------
Research and development........       42,538        78,042       63,992          62,372         111,515
Administrative & marketing......      471,070       492,252      546,968         768,101       1,473,523                   
Occupancy..................           178,214       183,271      184,250         187,024         194,779              
                                   ----------    ----------   ----------      ----------      ----------
      Total expenses............      691,822       753,565      795,210       1,017,497       1,779,817
                                   ----------    ----------   ----------      ----------      ----------
<S>                                 <C>          <C>         <C>             <C>             <C>              
 Operating income (loss)........       79,004        73,244     (274,760)        276,411      (1,133,085)
Interest income................         1,077         1,384          908           8,565          26,919
Amortization of deferred .......       49,386              -           -                -              -
financing costs
Other expense...............              -          37,795 (3)        -                -              -                       
                                   ----------    ----------    ---------      -----------     ----------
Net income (loss) before income
 taxes  and extraordinary credit.      30,695        36,833     (273,852)        279,276      (1,106,166)
 Income taxes....................       7,119         8,460            -           5,700               -
                                   ----------    ----------   ----------      ----------     -----------
 Income/l(loss) before
 extraordinary credit...........       23,576        28,373     (273,852)        279,276      (1,106,166)
                                   ----------    ----------   ----------      ----------      ----------
 Extraordinary credit - benefit
 of tax loss carry forward....          7,119         8,460            -               -               -  
 Net income (loss)              $      30,695 $      36,833     (273,852)        279,276      (1,106,166)                    
                                  ===========   ===========   ==========     ===========     ===========                   
Net income (loss) per share     $           - $           - $     (.01)    $         .01          (.04)                       
                                  ===========   ===========   ==========     ===========     ===========
Weighted average shares
 outstanding                       27,194,240    27,611,390   26,882,990      27,522,928      26,882,990
                                                                                                                            
                                                                                                                               
                                                                                                 
Balance Sheet Data (at end of period):                                June 30,                     
                                     ---------------------------------------------------------------------
<S>                              <C>             <C>         <C>             <C>             <C>
                                        1992         1993         1994            1995            1996
                                      -------      --------      -------       ---------      ----------
Cash and equivalents.........   $     222,491   $   208,868    $ 154,270         891,152     $   359,600                    
Current assets...............         407,187       558,903      319,031       1,050,928         601,986                    
Property and equipment (1)...         100,847        65,479       31,023          10,564           6,006
Total assets.................         531,654       682,717      407,161       1,115,949         659,799                   
Total liabilities............          68,346       182,576      180,873         610,384       1,260,400                    
Shareholders' equity             
(Deficiency) (2).............         463,308       500,141      226,288         505,565        (600,601)
Working capital ............          338,841       376,327      138,158         708,642          89,224 
- ------------------------------                                                                                             
</TABLE>
                                                                             
 (1) Net of depreciation.                                                   
 (2) Net of deficit accumulated during development stage.                
 (3) Expenses incurred in connection with unconsummated private placement
     equity offering.                                                        
                                                                            
                                                                        
                                        12                        
<PAGE>




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


 Results of Operations

  The Company has not generated significant revenues and none of its products
 have been submitted to or received approval from the FDA for the sale of such
 products to the diagnostic or therapeutic markets.

 	Fiscal 1996 and Fiscal 1995 (Year Ended June 30, 1995)

  Sales decreased $87,788 (13.5%) in Fiscal 1996 as the result of lower
 cytokine assay sales.  The sales decrease was in the domestic market while
 international sales increased.  Worldwide competition continues to be
 intense.  Average sales price per kit increased slightly in Fiscal 1996
 versus Fiscal 1995 due to lower sales volume of bulk assay components.  In
 Fiscal 1996, three customers accounted for approximately 50% of sales
 compared to 32% of Fiscal 1995 sales.  Loss of any of these customers, if a
 comparable new customer is not found, would have a material adverse effect on
 the Company's sales.

  Cost of sales decreased $20,612 (6%) due to the lower sales volume, lower
 usage of manufacturing materials, lower salary expenses and lower
 depreciation offset, in part, by higher repair expenses.  Gross profit
 decreased to 43% from 48% in Fiscal 1995.  
	
  The Company received $400,000 of funded research and development fees
 pursuant to the Research and Development Agreement between the Company and
 R&D Systems under which the Company will receive $400,000 of funding in
 Fiscal 1997 and $200,000 in Fiscal 1998.  In Fiscal 1995, the Company
 received $1 million in license fees from R&D Systems and $50,000 in license
 fees related to the grant of a sublicense to another company.   The Company 
 paid $70,000 in fees to the Institutions in Fiscal 1995 which were offset
 against the license fee income.  Other income decreased $580,000 in Fiscal
 1996 versus 1995, as a result of these transactions.

   Operating expenses increased $762,320 (74.9%) from Fiscal 1995 due to the 
 significant expenses incurred as the result of ongoing litigation, increased
 salary expense and due to the initiation of a periodontal disease study
 which the Company is funding at a dental school.

  Interest income increased $18,354 in Fiscal 1996 due to the investment of
 cash balances.

 	Fiscal 1995 and Fiscal 1994 (Year Ended June 30, 1994)

  Sales decreased $224,678 (25.7%) in Fiscal 1995 as the result of lower
 cytokine assay kit sales offset, in part, by higher sales of cytokine
 proteins and antibodies.  The sales decrease was seen in both the Company's
 domestic and international markets.  Worldwide competition in the cytokine
 research market resulted in lower pricing.  Bulk sales of assay components
 decreased in Fiscal 1995 while bulk cytokine protein sales increased.  The
 lower bulk assay component sales were largely the result of the end of a
 two-year research program at one customer that had purchased approximately
 $100,000 of components over each of the last two calendar years.  Assay
 sales continue to reflect a trend towards lower unit pricing within the
 research market as well as lower bulk component sales to another company
 under a private labeling supply agreement. An independent European
 distributor and two domestic customers accounted for 44% of Fiscal 1995
 sales.  Of the two domestic customers, one accounted for more than 25% of
 Fiscal 1995 sales and the other, a new customer, accounted for 10% of Fiscal
 1995 sales.  The European distributor, which has purchased products from the
 Company since 1985, accounted for approximately 11% of sales in Fiscal 1994,
 but only 7% of Fiscal 1995 sales.   The loss of any of these three customers,
 if a comparable new customer is not found, could have a material adverse
 affect on the Company's sales.

 The Company continues to seek to augment its distribution network.  To this
 end, the Company entered into a license and supply agreement with R&D
 Systems in March 1995.  Under this agreement, the Company will sell IL-1
 protein and bulk IL-1 assay components to R&D Systems for their resale to the
 research market worldwide.  

  Cost of sales decreased $18,136 (5.0%) due to the lower sales volume, lower
 usage of  manufacturing materials and lower depreciation offset, in part, by
 higher salary expenses.  Gross profit decreased to 48% from 59% in Fiscal
 1994 due to the relative decrease in sales being greater than the decrease in
 cost of sales.

                                   13

<PAGE>
 
  In Fiscal 1995, the Company received $1 million in license fees related to
 the license and supply agreement with R&D Systems. The Company paid the
 Institutions $70,000 in fees which were offset against the license fee
 income.  The Company also received $50,000 in license fees related to the
 grant of a sublicense to another company for use of IL-1 in its
 pharmaceutical research program and $5,000 of royalty income under a non-
 exclusive sublicense granted to a third company in 1991. These transactions 
 resulted in a $980,000 increase in other income versus Fiscal 1994.

  Operating expenses increased $222,287 (28%) as compared to Fiscal 1994 due
 to increased legal and consulting expenses associated with ongoing
 litigation offset, in part, by lower advertising and printing expenses. 
 Research and occupancy expenses were essentially unchanged from Fiscal 1994.

  Interest income increased $7,657 in Fiscal 1995 due to the investment of
 higher cash balances.

  The Company has reflected a tax provision of $5,700, calculated under the 
 Alternative Minimum Tax method, against Fiscal 1995 income.
	
  Liquidi`ty and Capital Resources

  At June 30, 1996 the Company had current assets of $601,986, including cash
 of $359,600.  The Company made an operating profit in Fiscal 1995, but
 incurred a loss in Fiscal 1996.  There can be no assurance that operations
 will return to profitability.

  There were no capital expenditure commitments outstanding at June 30, 1996.

  The Company will continue to seek new product development and distribution 
 opportunities to increase sales.  In April 1995, a Research and Development
 Agreement between the Company and R&D Systems will provide the Company with
 $1 million of research funding, payable over a two and a half year period
 which began July 1, 1995.

  In July 1995, PeproTech filed for protection under the Bankruptcy Code and
 has filed an amended appeal, which resulted in additional expense for this
 litigation.  Under a fee arrangement with the attorneys handling the
 litigation against Immunex, the Company's fee payment obligation was
 completed in July 1994.  However, significant ongoing out-of-pocket expenses
 of this suit continued to be incurred in Fiscal 1996, which will be partially
 shared by the Institutions pursuant to a January 1994 agreement under which
 the Institutions will also participate in any award or settlement which may
 result.  Trial in the Immunex suit which had been scheduled for September
 24, 1996 is being rescheduled to November 1996, due to other scheduling
 conflicts of the Court. Expenses of these lawsuits will continue to place
 demands on the Company's liquidity and may effect its profitability.
	
  The Appeals Court has scheduled a hearing of PeproTech's appeal for October
 7, 1996.  It is not known when the Appeals Court might rule, or if the
 approximately  $3 million award for damages, interest and attorneys fees by 
 the District court will be overturned, remanded or confirmed.  See Item 1 -
 Business - Patent Protection.

  In its suit against Immunex, the Company is seeking damages of approximately
 $30 - $70 million.  There can be no assurance that the Company will be
 successful in receiving the amount sought either at trial or by settlement or
 that any award might not be overturned on appeal.  See Item 1 - Business -
 Patent Protection.

 The Independent Auditors' Report includes an explanatory paragraph regarding
 certain conditions which raise substantial doubt about the Company's ability
 to continue as a going concern. See - Independent Auditors' Report and Note 1
 to Financial Statements.

 While management believes the Company will be able to generate sufficient
 cash flow from operations to meet its obligations on a timely basis, the
 Company's liquidity and ability to fund its needs in Fiscal 1997 will be
 affected by the ongoing litigation with PeproTech and Immunex lawsuits.
 Should both these suits not reach conclusion in Fiscal 1997, the Company
 will seek additional sources of capital or debt financing and will reduce
 operating expenses.  There can be no assurance that such financing will be
 available to the Company on acceptable terms, if at all.  If adequate funds
 are not available from operations, the outcome of the lawsuits or other
 sources, the Company's business would be materially adversely effected.  

  Impact of Inflation

  For the Company's three most recent fiscal years, inflation and changing
 prices have had no material impact on the Companys' sales, revenues or income
 from continuing operations.

                                  14

<PAGE>

   Item 8. Financial Statements and Supplementary Data.

           The response to this Item is submitted in a separate section of 
           this Report on page F-1. 

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

           Not applicable.

                                  15

<PAGE>


                                PART III

    Item 10.  Directors and Executive Officers of the Registrant.

         The following table sets forth each current Director and executive
         officer of the Company, together with his age and office held:
<TABLE>
<CAPTION>


      Name                        Age                Office


<S>                               <C>                <C>
 Henry Grausz, M.D.                56   Chairman of the Board of         
                                        Directors and Chief Executive Officer

 Isidore S. Edelman, M.D.          75   Vice Chairman of the Board of Directors

 Bruce C. Galton                   44   President, Chief  Operating and
                                        Financial  Officer, 
                                        Secretary and  Treasurer, Director

 Richard S. Dondero                46   Vice President of Operations and
                                        Product  Development


 Thomas P. Carney, Ph.D.           81   Director

 Frank G. Stout                    47   Director

</TABLE>
  Henry Grausz, M.D. is co-founder of the Company and has been Chairman of
 its Board of Directors since its inception.  Dr. Grausz's speciality is
 nephrology and he holds degrees from Tufts University (B.S.) and Chicago
 Medical School (M.D.).  Since 1993, Dr. Grausz has been President of
 Lans-downe Development Company, L.L.C. in Virginia and since 1994 a Senior
 Managing Director of Galway Partners, L.L.C., an investment and merchant 
 banking firm in Washington, D.C.   From 1991 through 1994, Dr. Grausz was
 President of GFI, a commercial real estate brokerage firm, and from 1989
 to 1990, Dr. Grausz was a partner of Smith Ranch Homes, a real estate
 partnership.

  Isidore S. Edelman, M.D. is co-founder of the Company and has been a
 director since  its inception.  Dr. Edelman holds degrees from Indiana
 University (B.A.) and Indiana University School of Medicine (M.D.).  Dr.
 Edelman is  the Robert Wood Johnson, Jr. Professor of Biochemistry and former
 Chairman of the Department of Biochemistry and Molecular Biophysics,
 College of Physicians and Surgeons, Columbia University.  Prior to joining
 the faculty of Columbia University in June 1978, he was the Samuel Neider
 Research Professor of Medicine and Professor of Biophysics at the
 University of California School of Medicine in San Francisco.  Dr. Edelman
 is a member of the National Academy of Sciences and the Institute of
 Medicine of the National Academy of Sciences and the American Academy of
 Arts and Sciences.

  Bruce C. Galton has been President, Chief Operating and Financial Officer
 and a director since November 1988.  Prior to November 1988, Mr. Galton was
 Vice President and Chief Financial Officer, Secretary and Treasurer of the
 Company since January 1985.  From 1977 to 1984, Mr. Galton was employed in
 various capacities by Becton Dickinson & Co.  Mr. Galton was Manager of
 Cost and Budgets at Becton's B-D Immunodiagnostics division from August
 1983 to December 1984 and Financial Manager of its Becton, Dickinson
 Laboratory Systems Division from May 1981 to August 1983.  He holds a B.S.
 from the University of Virginia and an MBA from Fairleigh Dickinson
 University.

  Richard S. Dondero has been Vice President-Operations and Product
 Development since May 1991.  Mr. Dondero joined the Company in 1985 and was
 named Director of Operations in 1988.  From 1977 to 1985, Mr. Dondero was
 employed by Ortho Diagnostics.  Mr. Dondero holds a master of science
 degree (biology) from Seton Hall University and a bachelor of arts degree
 (biology and chemistry) from Jersey City State College.

  Thomas P. Carney, Ph.D. has been a director of the Company since September
 1989.   Dr. Carney has been Chairman and CEO of Metatech Corporation, which
 develops medical devices, since it was organized in 1976.  Prior to forming
 Metatech Corporation, Dr. Carney was an Executive Vice President of G.D. 
 Searle & Company (1965-1976) and was Vice President of Research and
 Development of Eli Lilly and Company prior to joining Searle. Dr. Carney
 holds a B.S. in chemical engineering from the University of Notre Dame and 
 Masters and Ph.D. degrees from Pennsylvania State University.

                                16
<PAGE>

  Frank G. Stout has been the Vice President-Research Administration of New
 England Medical Center Hospitals, Inc. (Tufts University) since 1983.  Prior
 to 1983, Mr. Stout was Assistant Director of Research Administration of the
 Center for the Advancement of Research and Biotechnology.  Mr. Stout
 received his B.Sc. in Biology from the University of South Dakota and his MPH
 in Health Administration from the Tulane Medical Center.
                ___________________________________

  All directors hold office until the next annual meeting of stockholders and
 until their successors are elected and qualified.  Officers hold office
 until their successors are chosen and qualify, subject to earlier removal by
 the Board of Directors and subject to rights, if any, under contracts of
 employment.  As part of the Company's Chapter 11 settlement agreement, the
 Institutions have the right to designate one individual nominated by
 management to the Board of Directors.  If Cistron is consolidated or merged 
 or acquired by a third party whose primary products and/or interest is in
 areas other than IL-1, its variants, derivatives or applications, Cistron
 will no longer be obligated to appoint such a representative and the
 representative of the Institutions then acting as a Director of Cistron will
 resign. Currently, Mr. Frank G. Stout is the Institutions' designee on the 
 Board.  Drs. Grausz and Edelman each devote approximately 10% of their time
 to the affairs of the Company without compensation therefor.
                   ___________________________________
	
  Dr. Edelman filed one Form 4 approximately two months late on  which he
 reported a  June 3, 1996 sale of shares of common stock.

 Item 11. Executive Compensation

  The following table sets forth all cash compensation paid or accrued by the
 Company  during the last three Fiscal years to the Chief Executive Officer
 and to the only executive officer whose cash compensation during such year
 exceeded $100,000 (no bonuses or other annual compensation having been paid
 in any such years):

                      SUMMARY COMPENSATION TABLE




<TABLE>
                                                Long-Term Compensation
                                                ----------------------
<S>                           <C>         <C>                  <C>    
                                           Annual                                            Annual 
                                         Compensation          Awards
                                         -------------------------------------
     Name and                Fiscal                           Common Srock    
Principal Position            Year         Salary($)    Underlying Options (#)
- ---------------------------------------------------------------------------------
   Henry Grausz, M.D.          1996           ---                --- 
Chairman, Chief Executive      1995           ---                --- 
      Officer                  1994           ---                ---
                             

Bruce C. Galton                1996          $156,667          784,000      
President, Chief               1995          $140,000           73,053 
Operating and                  1994          $140,000             ---
Financial Officer

</TABLE>
 	The following table sets forth certain information concerning options
 granted in  Fiscal 1996 to the individuals named in the Summary
 Compensation Table:


                      OPTION GRANTS IN FISCAL 1996
<TABLE>
<S>             <C>                    <C>                   <C>             <C>            
Name            Common Stock Under-    % of Total Options    Exercise Price  Experation
                Lying Options Granted  To Employees in 1996    ($/Share)        Date       
- ---------------------------------------------------------------------------------------
Bruce C. Galton     109,031 (1)             13.4%                .375          4/26/06     
Bruce C. Galton     674,969 (2)             82.8%                .1875        11/20/05  
- ---------------------------------------------------------------------------------------
</TABLE>

(1)  Exercisable in full commencing October 24, 1996.
(2)  Exercisable in full commending May 21, 1996.

                                  17

<PAGE>

 The following table sets forth certain information concerning unexercised
options held at June 30, 1996 by the executive officer listed in the Summary
Compensation Table (who did not exercise any options during Fiscal 1996):


                   OPTION VALUES AT JUNE 30, 1996
<TABLE>
<S>                <C>             <C>                  <C>              <C>
- ---------------------------------------------------------------------------------------
                   Number of Unexercised Options      Value of Unexercised in-the-Money
                         at June 30,1996                 Options at June 30, 1996 (1)
                         ---------------                 ------------------------
Name               Exercisable     Unexercisable         Exercisable     Unexercisable        
- ---------------------------------------------------------------------------------------
Henry Grausz M.D.    259,587           ---                $  66,195          ---  

Bruce C. Galton     1,302,126        109,031 (2)          $ 118,259          --- 
- ----------------------------------------------------------------------------------------
</TABLE>
 (1)  Based on the average of the bid and asked prices on June 30, 1996 of
      $.275
 (2)  Unexercisable options to purchase 109,034 shares are out-of-the-money.

  In April 1994, Mr. Galton entered into a new five-year employment contract
 with the Company.  The employment agreement of Mr. Galton also contains a
 confidentiality provision that requires Mr. Galton to maintain as
 confidential any confidential information obtained during the course of
 employment for the period of such agreement and for three years after 
 termination thereof.

  The employment agreement of Mr. Galton provides that in the event the
 employment of Mr. Galton is terminated without cause by the Board of
 Directors, or if the Company refuses to renew the employment agreement of
 Mr. Galton upon his written request, then the Company will (i) pay Mr.
 Galton an amount equal to six months of Mr. Galton's current salary in
 equal monthly installments, commencing the month in which the termination
 occurs or the salary which would be due under the remaining unexpired term of
 the agreement, whichever is greater, (ii) enter into a consulting contract
 with Mr. Galton's at full pay and benefits for a minimum of three months
 and (iii) lend Mr. Galton such amount as may be required to exercise any
 stock options then exercisable by Mr. Galton to purchase shares of the
 Company's Common Stock.

  The employment agreement also provides that in the event the Company 
 relocates during the term of the employment agreement, and Mr. Galton
 relocates with the Company, the Company will reimburse Mr. Galton for all
 relocation costs and pay Mr. Galton a bonus of $25,000 upon completing such
 relocation.  If Mr. Galton chooses not to relocate with the Company, he will
 receive the applicable termination pay described in clauses (i) and (iii) of
 the preceding paragraph plus an additional three months salary as severance
 pay.

  During Fiscal 1996, the Company maintained a "key man" life insurance policy
 on the life of Mr. Galton in the amount of $1,000,000.

  Starting in Fiscal 1996, directors who are not employees received a
 retainer fee of $1,200 per annum and $500 for each meeting of the Board of
 Directors attended.  Also starting in Fiscal 1996, Dr. Edelman will be paid
 at the rate of $200 per hour for any scientific consulting services he may
 perform at the Company's request. Directors who are not employees or
 officers of the Company also receive options to purchase 50,000 shares
 of Common Stock for each year of service as such, up to a total of 150,000
 shares.  Mr. Stout has agreed to serve without cash compensation and without
 receipt of stock options.

                                      18

<PAGE>

 Item 12.  Security Ownership of Certain Beneficial Owners and Management.

  The following table sets forth information as of August 30, 1996 with
 respect to the beneficial ownership of Cistron's Common Stock by (i) each
 person known by Cistron to own beneficially more than five percent of such
 Common Stock, (ii) each Director, (iii) each executive officer named in the
 Summary Compensation Table under Item 11, and (iv) all Directors and
 executive officers as a group, together with their percentage ownership of
 such shares:
<TABLE>
<CAPTION>
<S>                                   <C>                         <C>
													
 Name and Address of                   Shares Beneficially       Percent
 Beneficial Owner                            Owned             Outstanding
 -------------------------------------------------------------------------
 Henry Grausz, M.D. (1)                5,917,993 (2)               21.8%
 Mark Capital Corporation              1,839,760 (4)                6.8  
  535 Madison Avenue 18th Floor
  New York, New York 10022
 Med-Tech Ventures Inc.                4,126,365 (3)               15.4
  c/o Warner-Lambert Company
  Mt. Tabor Road
  Morris Plains, NJ 07950
 Isidor S. Edelman, M.D. (1)           2,411,681 (5)                9.0 
 Bruce C. Galton                       1,411,157 (6)                5.0
 Thomas P. Carney, Ph.D.                 150,000 (6)                 *
 Frank G. Stout                              600 (7)                 *
 All directors and executive          10,263,038 (8)               35.3 
 officers as a group
 (6 persons)
 ______________

</TABLE>         
 * less than 1%

(1) c/o Cistron Biotechnology, Inc. 10 Bloomfield Avenue, Pine Brook, New
    Jersey 07058.

(2) Includes 259,587 shares issuable upon currently exercisable options.

(3) Med-Tech Ventures, Inc. ("Med-Tech") has the right, exercisable at any
    time to require the Company to register all of Med-Tech's shares under
    the Act at the Company's expense.  Med-Tech is a venture capital
    subsidiary of Warner-Lambert Company, and has no other business
    relationship with the Company.

(4) Of which, 1,337,298 shares are held beneficially by Mark Capital
    Corporation and 502,462 shares are held beneficially by the Kimberlin Family
    Partnership.  The General Partner of the Kimberlin Family Partnership is
    Kevin Kimberlin, the President and principal stockholder of Mark Capital
    Corporation. Mr. Kimberlin shares the power to vote and to direct the
    disposition of all shares held by Mark Capital Corporation.

(5) Includes 54,374 shares issuable upon currently exercisable options, but
    does not include 194,935 shares owned by Dr. Edelman's spouse, as to which
    he disclaims beneficial ownership.

(6) Consists of shares issuable upon exercise of currently exercisable options.

(7) Mr. Stout disclaims beneficial ownership of 400,534 shares, 302,289 shares
    and 136,870 shares owned as of August 31, 1994 by the Massachusetts
    Institute of Technology, the New England Medical Center Hospitals, Inc. and
    Wellesley College, respectively, the Institutions of which Mr. Stout serves
    as designee on the Company's Board of Directors.

(8) Includes options described in notes (2), (5) and (6) and options to 356,722
    shares held by an executive officer not named in Summary Compensation
    Table, but excludes 194,935 shares owned by Dr. Edelman's spouse.
                             _____________________________


Item 13.  Certain Relationships and Related Transactions 

          None.

                                   19

<PAGE>

                               PART IV

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


          (a) and (d) Financial Statements and Schedules.
              See Index to Financial Statements on page F-1.

          (b) Reports on Form 8-K.
              None.

          (c) Exhibits.
              See Index to Exhibits on page E-1.
              Exhibits 10.2a, 10.3a and 10.9 relate to management
              compensatory agreements.

                                  20

<PAGE>

                              SIGNATURES





  Pursuant to the requirements of Section 13 or 15(d) of the Securities
 Exchange Act of 1934, the Registrant has duly caused this Annual Report on
 Form 10-K to be signed on its behalf by the undersigned, thereunto duly
 authorized, in the town of Pine Brook, State of New Jersey, on the 24th
 day of September, 1996.


                                                                       
                   CISTRON BIOTECHNOLOGY, INC.
	
                                                                         
                                                 By: /s/HENRY GRAUSZ, M.D.   
                                                 -------------------------
                                                     Henry Grausz, M.D.
                                                    Chairman of the Board
                                                  and Chief Executive Officer


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

								 	

 Signature                     Title                                 Date




/s/HENRY GRAUSZ, M.D.      Chairman of the Board and         September 24,1996
- ------------------------
Henry Grausz, M.D.         Chief Executive Officer

/s/ISIDORE S.EDELMANM M.D. Vice Chairman of the Board        September 24,1996
- --------------------------
Isidore S. Edelman,M.D.

/s/BRUCE C. GALTON         President, Chief Operating and    September 24,1996 
- --------------------------
Bruce C. Galton            Financial Officer and Director
                           (Principal Financial and
                            Accounting Officer)   

/s/THOMAS P. CARNEY,Ph.D.   Director                         September 24,1996
- ---------------------------
Thomas P. Carney, Ph.D.

/s/FRANK G. STOUT           Director                         September 24,1996
- ---------------------------
Frank G. Stout



                                   21

<PAGE>






                         INDEX TO EXHIBITS

3.1  Registrant's Certificate  of  Incorporation...........................(1)
3.1a Registrant's Amendment to Certificate of Incorporation, dated July 9,
     1986..................................................................(1)
3.1b Registrant's Amendment to Certificates of Incorporation, dated August
     14, 1986............................................................. (1)
3.2  Registrant's Amended By-laws .........................................(1)
10.1 Settlement Agreement, dated June 30, 1991, among Registrant, E.I. du 
     Pont de Nemours and Company and The DuPont Merck Pharmaceutical Company
     ......................................................................(2)
10.2a Employment Agreement, dated April 30, 1994,  between Registrant and 
      Bruce C. Galton .....................................................(8)
10.3a Employment Agreement, dated April 30, 1994, between Registrant and 
      Richard S. Dondero ..................................................(8)
10.4  License Agreement, dated March 30, 1992, between Registrant and Genetic 
      Therapy, Inc. .......................................................(6)
10.5  Sponsored Research Agreement and License Agreement, effective as of 
      October 1, 1983 and December 1, 1983, respectively, each between 
      Registrant and the Institutions, named therein.......................(1)
10.5a Amendments to Sponsored Research Agreement and License Agreement, each 
      dated July 9, 1986...................................................(3)
10.5b Amendments to Sponsored Research Agreement and License Agreement, each 
      dated February 19, 1987..............................................(6)
10.5c Amendment to sponsored Research Agreement, dated May 6,1988..........(4)
10.6  License Agreement, dated September 15, 1988, between Registrant and 
      Rijksuniversiteit of Limburg (Holland)...............................(6)
10.6a License Agreement, dated September 15, 1993, between Registrant and 
      Rijksuniversiteit of Limburg (Holland)...............................(6)
10.8  Lease, dated September 4, 1984, between Registrant and Stanley 
      Karczynski...........................................................(1)
10.8a First Amendment to Lease, dated February 10, 1989, between Registrant 
      and Stanley Karczynski...............................................(6)
10.8b Second Amendment to Lease dated November 19, 1991, between Registrant 
      and Stanley Karczynski...............................................(6)
10.9  Registrant's 1985 Employee Stock Option Plan, as amended.............(5)
10.13 Settlement Agreement, dated May 17, 1993, between Registrant, Biotech 
      Australia Pty. Limited and the Institutions, named therein...........(7)
10.14 Sponsored R&D and Supply Agreement, dated June 30, 1993, between 
      Registrant and Genzyme Corporation...................................(7)
10.14aSupply Agreement, dated July 10, 1996, between Registrant and Genzyme 
      Corporation...........................................................40
10.15 License Agreement, dated March 21, 1995, between Registrant and Research 
      and Diagnostic Systems, Inc..........................................(9)
10.16 Research and Development Agreement, dated April 10, 1995, between 
      Registrant and Research and Diagnostics Systems, Inc................(10)
24.1  Consent of Deloitte & Touche LLP with respect to financial information 
      contained in the Registrant's Registration Statement of Form S-8
      (File No. 33-13704)..................................................47
27    Financial Data Schedule..............................................48
 
                                         E-1

<PAGE>

(1) Filed as the same numbered Exhibit to the Registrant's Registration
    Statement on Form S-1 (File No. 33-5824) (the "Form S-1") and
    incorporated herein by reference thereto.
(2) Filed as Exhibit 10.2a to the Registrant's Annual Report on Form 10-K for
    the year ended June 30, 1991 (the "1991 Form 10-K") and incorporated
    herein by reference thereto.
(3) Filed as Exhibit 10.12 to the Registrant's Form S-1 and incorporated
    herein by reference thereto.
(4) Filed as Exhibit 28.1 to the Registrant's Report on Form 10-Q for the
    quarter ended March 31, 1988 and incorporated herein by reference thereto.
(5) Filed as Exhibit 4 to the Registrant's Registration Statement on Form S-8
    (File No. 33-13704) and incorporated herein by reference thereto.
(6) Filed as the same numbered Exhibit to the Registrant's 1992 Form 10-K and 
    incorporated herein by reference thereto.
(7) Filed as the same numbered Exhibit to Registrant's 1993 Form 10-K and
    incorporated herein by reference thereto.
(8) Filed as the same numbered Exhibit to Registrant's 1994 Form 10-K and
    incorporated herein by reference thereto.
(9) Filed as Exhibit 10.14 to the Registrant's Report on Form 10-Q for the
    quarter ended March 31, 1995 and incorporated herein by reference thereto.
(10) Filed as Exhibit 10.15 to the Registrant's Report on Form 10-Q for the
     quarter ended March 31, 1995 and incorporated herein by reference
     thereto.
                                          E-2
<PAGE>


                       Cistron Biotechnology, Inc.

                      (A Development Stage Company)


               Index to Financial Statements and Schedules



                Years ended June 30, 1994, 1995 and 1996











  Financial Statements:


  Independent Auditors' Report                                 F-2
  
  Balance Sheets                                               F-3
    
  Statements of Operations                                     F-4
  
  Statements of Shareholders' Equity/(Deficiency)              F-5
  
  Statements of Cash Flows                                     F-7
  
  Notes to Financial Statements                                F-9










                                * * * *









                                   F-1

<PAGE>

 INDEPENDENT AUDITORS' REPORT




 To The Board of Directors and Shareholders
 Cistron Biotechnology, Inc.
 Pine Brook,  New Jersey




  We have audited the accompanying balance sheets of Cistron Biotechnology,
 Inc. (a development stage company) as of June 30, 1996 and 1995, and the
 related statements of operations, stockholders' equity (deficiency)
 and cash flows for each of the three years in the period ended June 30, 1996,
 and for the period from February 2, 1982 (date of commencement of
 operations) to June 30, 1996.  These financial statements are the 
 responsibility of the Company's management.  Our responsibility is to express
 an opinion on these financial statements based on our audits.

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

  In our opinion, such financial statements present fairly in all material
 respects, the financial position of the Company as of June 30, 1996 and
 1995, and the results of its operations and its cash flows for each of the
 three years in the period ended June 30, 1996, and for the period from
 February 2, 1982 (date of commencement of operations) to June 30, 1996, in
 conformity with generally accepted accounting principles.

  The Company is in the development stage as of June 30, 1996.  As discussed
 in Note 1 to the financial statements, the Company has not generated any
 significant revenues and must obtain approval of its products for sale or
 license to the diagnostic and/or therapeutic market in accordance with its
 business plan.

  The accompanying financial statments have been prepared assuming that the
 Company will continue as a going concern. As discussed in Note 1 to the
 financial statements the Company sustained recurring losses from operations,
 negative cash flows, and stockholders' capital deficiency. These matters raise
 substantial doubt about the Company's ability to continue as a going concern.
 Management's plans in regard to these matters are also described in Note 1.
 The financial statements do not include any adjustments that might result from
 the outcome of this uncertainty.



 /Deloitte & Touche LLP/
  Parsippany, New Jersey
  September 12, 1996







                                    F-2




<PAGE>




                             CISTRON BIOTECHNOLOGY, INC.                 
                                                                   
                                   BALANCE SHEETS             
<TABLE>                                                
                                              
                                                                   
                                                                         

                                                               June 30,
                                                      ------------------------
                                                          1995          1996
                                                      ----------    ----------
ASSETS
<S>                                                   <C>           <C>
CURRENT ASSETS:                                                                
  Cash and equivalents                                $   891,152   $   359,600
  Accounts receivable-trade                                69,542        28,939
  Accounts receivable-other                                82,826       206,610
  Inventories                                               7,408         6,337
  Prepaid expenses                                           -              500
A                                                      ----------    ----------
TOTAL CURRENT ASSETS                                    1,050,928       601,986
<S>                                                   <C>           <C>        
PROPERTY AND EQUIPMENT:                                                        
  Machinery and equipment                                 498,642       504,211
  Furniture and fixtures                                  147,113       147,113
  Leasehold improvements                                   77,674        77,674
                                                       ----------    ----------
                                                          723,429       728,998
   Less: Accumulated depreciation                         712,865       722,992
                                                      ----------    ----------
                                                           10,564         6,006
                                                      ----------    ----------
SECURITY DEPOSIT                                           23,938        23,938
                                                       ----------    ----------
PATENTS, Net of accumulated amortization
 of $6,586 and $9,236 in 1995 and 1996, respectively       30,519        27,869
                                                       ----------    ----------
TOTAL ASSETS                                          $ 1,115,949   $   659,799
                                                       ===========  ============   
                                                                        
LIABILITIES AND SHAREHOLDERS' EQUITY                                
<S>                                                   <C>           <C>    
CURRENT LIABILITIES:                                                         
  Accrued expenses and accounts payable (Note 3)      $   342,286   $   512,762
                                                      ----------    ----------
TOTAL CURRENT LIABILITIES                                 342,286       512,762
                                                       ----------    ----------
  Long-term accounts payables (Note 3)                    268,098       747,638
                                                       ----------    ----------
SHAREHOLDERS' EQUITY:
  Common stock, $.01 par value 50,000,000 shares                           
  authorized, issued and outstanding 26,882,990                              
  shares in each period                                   268,830       268,830
  Additional paid-in capital                            8,615,919     8,615,919
  Deficit accumulated during the development stage     (8,379,184)   (9,485,350)
                                                       ----------    ----------
TOTAL SHAREHOLDERS' EQUITY (DEFICIENCY)                   505,565      (600,601)
                                                      -----------    ----------
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY            $ 1,115,949   $   659,799
                                                      ===========   ===========

</TABLE>                                                                     
                     See accompanying notes to financial statements



                                       F-3


                                  CISTRON BIOTECHNOLOGY, INC.               
                                                                             
                                   STATEMENTS OF OPERATIONS

<TABLE>
                                                                               February 2,1982 
                                                                               (commencement of                                  
                                                   Year ended June 30,          operations)to
                                            ----------------------------------
                                            1994         1995         1996       June 30, 1996
                                         ----------   ----------    ----------   -------------
<S>                                     <C>          <C>          <C>           <C>                                      
Sales                                   $   874,627  $   649,949  $    562,161  $  8,239,600
Cost of sales                               359,177      341,041       320,429     3,486,902                                
                                         ----------   ----------    ----------    ----------
  Gross profit                              515,450      308,908       241,732     4,752,698
                                                                                                                          
Other revenues:                                                                                                           
License fees and funded                                                                                                  
 research (Note 5)                            5,000      985,000       405,000     3,500,730                          
                                         ----------   ----------    ----------    ----------
Operating income before expenses            520,450    1,293,908       646,732     8,253,428
                                         ----------   ----------    ----------    ----------
Research and development (Note 7)            63,992       62,372       111,515     7,818,118
Administrative and marketing (Note 9)       546,968      768,101     1,473,523     8,766,865                            
Occupancy                                   184,250      187,024       194,779     2,061,934                                  
                                         ----------   ----------    ----------    ----------
  Total expenses                            795,210    1,017,497     1,779,817    18,646,917
                                         ----------   ----------    ----------    ----------
  Operating income (loss)                  (274,760)     276,411    (1,133,085)  (10,393,489)
Interest (income)/expense                                                                                                    
 - net (Note 6)                                (908)      (8,565)      (26,919)      (76,955)                    
Other expense                                  -            -             -           59,895                                 
Amortization of deferred                                                                                              
 financing costs                               -            -             -          173,079                                 
Acquisition expense                            -            -             -          429,620                  
                                         ----------   ----------    ----------    ----------
Income/(loss) before income taxes
  and extraordinary credit                 (273,852)     284,976    (1,106,166)  (10,979,128)
Income tax provision (Note 4)                  -           5,700          -          268,538                 
                                         ----------   ----------    ----------    ----------
  Income/(loss) before
   extraordinary credit                    (273,852)     279,276    (1,106,166)  (11,247,666)                                 
                                         ----------   ----------    ----------    ----------
  Extraordinary credit - benefit
  of tax loss carry forward                    -            -             -          262,838
                                         ----------   ----------    ----------    ----------
Net Income/(loss)                       $  (273,852) $   279,276  $ (1,106,166) $(10,984,838)
                                         ===========  ==========    ===========  ============

Net income/(loss) per share             $     (0.01) $      0.01  $     (0.04)                                       
                                         ===========  ==========    ===========  

Weighted average shares                  26,882,990   27,522,928    26,882,990                                         
                                         ===========  ==========    ===========  
                                                                                                                             


</TABLE>                                                    
                                                                          
                                                                          
                                                                             
                                See accompanying notes to financial statements
                                                                        
                                                                            
                                                       F-4                    
                                                                 
<PAGE>                                                            


                                                CISTRON BIOTECHNOLOGY, INC.
<TABLE>                                         ---------------------------
                                      STATEMENTS OF SHAREHOLDERS' EQUITY/(DEFICIENCY)
                                      -----------------------------------------------
    <S>                                                         <C>                <C>          <C>             <C>
                                                                                                   Deficit 
                                                                                                   accumulated     Total
                                                 Partners' Capital/Common Stock    Additional      during the      shareholders'
                                                 ------------------------------    paid-in         development     equity/
                                                   Shares           Amount         capital         stage           (deficiency)
                                                 ----------      -----------       -----------     ----------      ------------
     Initial partners' contribution-
      - February 1982                          $          -      $    74,929       $         -   $         -     $    74,929  
     Partnership net loss                                 -                -                 -       (84,778)        (84,778) 
                                                 ----------      -----------       -----------     ----------     -----------
    BALANCE, June 30, 1982"                               -           74,929                 -       (84,778)         (9,849)

     Partners' additional capital contribution            -          307,972                 -             -         307,972
     Partnership net loss                                 -                -                 -      (313,776)       (313,776) 
                                                 ----------      -----------       -----------     ----------     -----------

    BALANCE, June 30, 1983"                               -          382,901                 -      (398,554)        (15,653)
     Partners' additional capital contribution            -          924,392                 -             -         924,392  
     Dissolution of partnership and issuance                                
     of common stock                              5,483,874       (1,252,454)        1,252,454             -               - 
     Issuance of common stock                     6,594,331           65,943         1,486,105       (52,048)      1,500,000  
     Partnership net loss                                 -                -                 -    (1,152,972)     (1,152,972) 
     Reclassification of partnership                                
     accumulated loss                                     -                -        (1,551,526)    1,551,526               - 
     Net loss                                             -                -                 -      (418,697)       (418,697) 
                                                 ----------      -----------       -----------     ----------     -----------

    BALANCE, June 30, 1984                       12,078,205          120,782         1,187,033      (470,745)        837,070
     Issuance of common stock                     1,736,869           17,369         1,482,631             -       1,500,000  
     Net loss                                             -                -                 -    (2,039,016)     (2,039,016) 
    BALANCE, June 30, 1985                       13,815,074          138,151         2,669,664    (2,509,761)        298,054  
                                                 ----------      -----------       -----------     ----------     ----------

     Issuance of common stock                     1,233,344           12,333           397,097             -         409,430
     Net loss                                             -                -                 -    (1,962,251)     (1,962,251)
                                                 ----------     ------------        -----------   -----------     -----------
    BALANCE, June 30, 1986                       15,048,418          150,484         3,066,761    (4,472,012)     (1,254,767) 

     Initial public stock offering                5,750,000           57,500         4,539,212             -       4,596,712
     Issuance of common stock                       623,772            6,238           396,686             -         402,924  
        Net loss                                          -                -                 -    (2,574,670)     (2,574,670)
                                                 ----------      -----------       -----------   ------------    -----------
    BALANCE, June 30, 1987                       21,422,190      $   214,222       $ 8,002,659   $(7,046,682)    $ 1,170,199
                                                 ==========      ===========       ===========   ============    ===========
						
						
                                                 See accompanying notes to financial statements
						
</TABLE>
                                                          F-5              
<PAGE>
						


                                               CISTRON BIOTECHNOLOGY, INC.
<TABLE>
<CAPTION>
								
                                     STATEMENTS OF SHAREHOLDER'S EQUITY/(DEFICIENCY
                                     ----------------------------------------------                    
                                                                             Deficit          
                                                                             accumulated                  Total 
                                        Common Stock           Additional    during the     Note          shareholders' 
                                     ---------------------     paid-in       development    receivable    equity/ 
                                     Shares         Amount     capital       stage          for stock     (deficiency) 
                                     ---------------------     ----------    -----------    ---------      -----------
<S>                              <C>           <C>         <C>           <C>             <C>           <C>
       BALANCE, June 30, 1987        21,422,190    $ 214,222 $  8,002,659   $ (7,046,682)   $       -     $  1,170,199  
     Issuance of common stock           231,157        2,311      253,693              -            -          256,004  
     Note Receivable from director                                            
     for shares of stock                      -           -             -              -     (271,159)        (271,159) 
     Net loss                                 -           -             -     (2,071,679)           -       (2,071,679) 
                                     ----------    ----------   ----------    -----------   ----------      -----------
    BALANCE, June 30, 1988           21,653,347     216,533     8,256,352     (9,118,361)    (271,159)        (916,635)
     Cancellation of note receiv-                                           
     able from director in exchange                                                 
     for shares of stock               (328,750)     (3,287)     (267,872)             -      271,159                -  
      Net income                               -           -            -         301,391           -          301,391
                                     ----------    ----------   ----------    -----------   ----------      -----------

    BALANCE, June 30, 1989           21,324,597     213,246     7,988,480     (8,816,970)           -         (615,244)
     Issuance of common stock         3,052,656      30,527       410,535              -            -          441,062  
     Net income                               -           -             -        188,434            -          188,434  
                                     ----------    ----------   ----------    -----------   ----------      -----------

    BALANCE, June 30, 1990           24,377,253     243,773     8,399,015     (8,628,536)           -           14,252
     Net income                               -           -             -        176,400            -          176,400
                                     ----------    ----------   ----------    -----------   ----------      -----------
     BALANCE, June 30, 1991           24,377,253     243,773     8,399,015     (8,452,136)          -          190,652
                                     ----------    ----------   ----------    -----------   ----------      -----------
       Issuance of common stock -
     net of legal fees of $8,039      2,505,737      25,057       216,904              -            -          241,961  
     Net income                               -           -            -          30,695            -           30,695  
                                     ----------    ----------   ----------    -----------   ----------      -----------
      BALANCE, June 30, 1992         26,882,990     268,830     8,615,919     (8,421,441)           -          463,308
     Net income                               -           -             -         36,833            -           36,833  
                                     ----------    ----------   ----------    -----------   ----------      -----------
     BALANCE, June 30, 1993          26,882,990     268,830     8,615,919     (8,384,608)           -          500,141
     Net loss                                 -           -             -       (273,852)           -         (273,852) 
                                     ----------    ----------   ----------    -----------   ----------      -----------
     BALANCE, June 30, 1994          26,882,990     268,830     8,615,919     (8,658,460)           -          226,289
     Net income                               -           -             -        279,276            -          279,276  
                                     ----------    ----------   ----------    -----------   ----------      -----------
    BALANCE, June 30, 1995           26,882,990     268,830     8,615,919     (8,379,184)           -          505,565
      Net loss                                -           -             -     (1,106,166)           -       (1,106,166)
                                     ----------    ----------   ----------    -----------   ----------      -----------
    BALANCE, June 30, 1996           26,882,990   $ 268,830   $ 8,615,919   $ (9,485,350)   $       -      $  (600,601)
                                     ==========   ===========   ==========    ===========   ==========     ============      
</TABLE>                                                         
								
                                See accompanying notes to financial statements
								
                                                                      F-6
<PAGE>                                                                       
								


                                                CISTRON BIOTECHNOLOGY, INC.   
                                                ---------------------------
                                                 STATEMENTS OF CASH FLOWS
<TABLE>                                          ------------------------       
<S>                                             <C>             <C>             <C>            <C>
                                                                                             February 2, 1982
                                                             Year ended June 30,             (commencement of  
                                                   -----------------------------------------  operations) to                     
                                                      1994            1995            1996    June 30, 1996
                                                   ----------      ----------     ----------   ------------
CASH FLOWS FROM OPERATING ACTIVITIES:           <C>             <C>             <C>           <C>
 Cash received from customers                    $  1,028,603    $    721,413    $   614,226   $ 10,127,111     
 Cash paid to suppliers and employees              (1,267,188)     (1,081,010)    (1,678,666)   (20,025,211)  
 Interest received                                        908           8,565         26,919         76,960        
 Acquisition expenses paid                                  -               -              -       (429,620)
 Royalties, research funding,                                                  
 license fees received                                179,985       1,055,000        405,000      2,067,568     
 Other receipts                                         3,094          32,914        106,538        184,151       
                                                   ----------      ----------    -----------     ----------
  Net cash provided by (used in)
  operating activities                                (54,598)        736,882       (525,983)    (7,999,041)
                                                   ----------      ----------    -----------     ----------
CASH FLOWS FROM INVESTING ACTIVITIES:
 Collection of note receivable                              -               -               -        15,097        
 Purchase of property and equipment                         -               -         (5,569)      (729,383)    
                                                   ----------      ----------    -----------     ----------
  Net cash used in investing activities                     -               -         (5,569)      (714,286)
                                                   ----------     -----------    -----------     ----------
CASH FLOWS FROM FINANCING ACTIVITIES:
 Proceeds from issuance of capital stock 								
  and additional contributions                              -               -              -      9,943,165  
 Principal payments on notes payable                        -               -              -       (870,238)  
                                                   ----------      ----------    -----------     ----------
  Net cash provided by financing activities                 -               -              -      9,072,927
                                                   ----------      ----------    -----------     ----------
  Net change in cash and cash equivalents             (54,598)        736,882       (531,552)       359,600
CASH AND CASH EQUIVALENTS,                                                     
 beginning of period                                  208,868         154,270        891,152              -       
                                                   ----------      ----------    -----------     ----------
CASH AND CASH EQUIVALENTS, end of period         $    154,270    $    891,152    $   359,600   $    359,600
                                                 ============    ============    ===========   ============
RECONCILIATION OF NET INCOME (LOSS) TO NET CASH
PROVIDED BY (USED IN) OPERATING ACTIVITIES:
  Net income (loss)                              $   (273,852)   $    279,276    $(1,106,166)  $(10,984,828)  
  Adjustments to reconcile net income 								
  (loss) to net cash provided by (used in)								
  operating activities:
  Depreciation and amortization                        37,106          23,109         12,777        729,237                 
  Loss on disposal of property 								
  and equipment                                             -               -              -          3,979       
  Other expense                                             -               -              -         22,100       
  Amortization of deferred financing costs                  -               -              -        173,079    
  Decrease (increase) in assets:								
   Accounts receivable                                  6,409           51,375        40,603        (28,939)  
   Inventory                                            1,928           (1,536)        1,071         (6,337)     
   Prepaid expenses                                   (23,538)          23,538          (500)          (500) 
   Notes and other receivables                        200,475          (68,392)     (123,784)      (222,310)      
   Security deposit                                      (318)               -             -        (23,938)     
   Intangible assets                                   (1,105)               -             -        (37,105)      
  Increase (decrease) in liabilities:								
   Accounts payable and accrued expenses               38,206          429,512       650,016      2,376,521   
   Unearned revenues                                  (39,909)               -             -              -         
                                                   ----------      ----------    -----------     ----------
NET CASH PROVIDED BY (USED IN)
OPERATING ACTIVITIES:                            $    (54,598)   $     736,882   $  (525,983)  $ (7,999,041)   
                                                 =============   =============   ============  =============


                                    See Accompanying notes to financial statements

                                                        F-7
</TABLE>                                                         
                                                               
                                                                         

<PAGE>





                     STATEMENTS OF CASH FLOW CONTINUED       





SUPPLEMENTAL SCHEDULE OF NON-CASH FINANCING ACTIVITIES:





February 2, 1982 to June 30, 1996
- ---------------------------------

(1) The Company exchanged $870,238 of notes and 1,074,611 shares of Common
    Stock (valued at $167,962) for pre-petition and post-petition Chapter 11
    Bankruptcy debts in the amount of $1,038,201.
 
(2) The Company issued stock options for 639,938 shares of Common Stock in
    exchange for pre-petition Chapter 11 Bankruptcy debts (to the Company's
    present and former directors and employees) in the amount of $100,022.
 
(3) Deferred financing costs in the amount of $173,079 result from the
    issuance of 1,978,045 shares of Common Stock to the Company's Chairman of
    the Board in exchange for his guaranty of notes payable.






            See accompanying notes to financial statements

                                   F-8
<PAGE>



                    CISTRON BIOTECHNOLOGY, INC.

                   NOTES TO FINANCIAL STATEMENTS  


1. DESCRIPTION OF COMPANY AND FINANCIAL STATEMENT PRESENTATION  

Cistron Biotechnology, Inc. ("Cistron" or the "Company") was organized to 
develop, manufacture and license products based on recombinant DNA and
immunological techniques for use in various therapeutic applications
and for diagnostic purposes. The Company is a development stage enterprise
since its products are currently available only to the research market
and have yet to be approved for the diagnostic or therapeutic markets.
The Company operated as a debtor in possession under Chapter 11 of the
Bankruptcy Act for the period May 26, 1988 through April 27, 1990.

  Cistron is a biotechnology company that uses recombinant DNA and
immunological techniques to manufacture a line of cytokine products
which it sells to the research market worldwide.  Cytokines, consisting of
lymphokines and monokines, are proteins that are regulators of the human
immune response system released in the body by white blood cells.
Cistron's current products are sold to pharmaceutical companies, government
agencies and academic institutions in the United States, Europe and Asia
for cancer, arthritis and other autoimmune disease research.  Cistron has
also initiated development of immune system related products which may have
applications in the diagnostic markets.

 The Company's principal current products consist of Interleukin-1 beta ("IL-
1"), a lymphokine which initiates the immune response, monoclonal and
polyclonal antibodies to IL-1 ("IL-1 Antibodies"), and an assay kit that
measures IL-1 levels (the "IL-1 Assay").  The Company's IL-1 products are
based upon the technology derived from research funded by Cistron on
Interleukin-1 beta, the predominant form of IL-1 in humans, at the New
England Medical Center Hospitals, Inc., Tufts University, Massachusetts
Institute of Technology and Wellesley College (the "Institutions").  Cistron
also manufactures and sells assays which measure tumor necrosis factor-alpha
("TNF"), which is a monokine that acts as a mediator of inflammation, and
assays which incorporated both TNF and IL-1.  In addition, the Company
distributes in North America and Asia assays that measure another lymphokine,
Interleukin-6, which is principally manufactured by another company.

 The Company's sales declined in Fiscal 1995 and again in Fiscal 1996.  
During Fiscal 1995,  the court awarded the Company damages, interest and
attorneys fees of $2.7 million in connection with the PeproTech, Inc.
patent infringement cases.  However, the defendant in this case has filed an
appeal and has filed bankruptcy (See Note 9).  While the Company continues
to incur significant out-of-pocket expenses in connection with the Immunex
Corp. litigation, remaining attorney fees are contingent on the recovery.  A
net loss of $1,106,166 was reported in Fiscal 1996 primarily as the result of
litigation related expenses.  The Company entered into a funded research
agreement in Fiscal 1995 which generated other income of $400,000 in Fiscal
1996 and will generate $600,000 thereafter (See Note 5).  After considering
these factors, management believes that the Company will be able to generate
sufficient cash flow to meet its obligations on a timely basis, the Company's
liquidity and ability to fund its needs in Fiscal 1997 will be affected by
the ongoing litigation with PeproTech and Immunex lawsuits.  Should both
these suits not reach conclusion in Fiscal 1997, the Company will seek
additional sources of capital or debt financing and will reduce operating
expenses.  There can be no assurance that such financing will be available
to the Company on acceptable terms, if at all.   If adequate funds are not
available from operations, the outcome of the lawsuits or other sources, the
Company's business would be materially adversely effected and substantial
doubt could exist about the Company's ability to continue as a going concern.

2. SIGNIFICANT ACCOUNTING POLICIES  

    a. Inventories
       -----------
       Inventories consist of finished goods and are stated at the lower
       of cost, determined on the first-in, first-out (FIFO) basis, or market.
    b. Property and equipment
       ----------------------
       Property and equipment are recorded at cost.  Depreciation is computed
       using the straight-line method over the estimated useful lives of the
       related assets which range from 5 to 10 years.  Amortization of
       leasehold improvements is computed over the remaining term of the
       lease.


                                      F-9
<PAGE>

c.  Patents
    -------
  Legal fees incurred in connection with obtaining patents are capitalized when
 their future recovery is determinable.  The costs are amortized on the
 straight-line method over the life of the patent or expected recovery period,
 if shorter.

d. Royalties
   ---------
 Royalties payable to the Institutions, included in accrued expenses, which 
have granted the Company an exclusive license for IL-1 are recorded as cost of
sales for product  sold.

e. Income taxes  
   ------------
 The Company files Federal and New Jersey state income tax returns.  The 
Company adopted Statement of Financial Accounting Standards (SFAS) No. 109, 
"Accounting For Income Taxes", effective July 1, 1993.  This statement
supersedes Accounting Principles Board Opinion No. 11, "Income Taxes".
The adoption of SFAS NO. 109 had no effect on the Company's financial
position at July 1, 1993.

 Deferred income taxes reflect the net tax effects of (a) temporary
differences between the carrying amounts of assets and liabilities
for financial reporting purposes and the amounts used for income tax
purposes, and (b) operating loss and tax credit carryforwards.

f.  Net income (loss) per share of Common Stock 
    -------------------------------------------
   Net income (loss) per share has been computed by dividing the net income 
(loss) for the periods presented by the weighted average number of shares
of common stock and equivalent common shares, if any, outstanding in each
period.  Equivalent common shares includes net shares issuable upon the
assumed exercise of options using the treasury stock method. Equivalent
common shares are not included in the net loss per share in Fiscal 1994
and 1996 since they are anti-dilutive.

g.  Statement of cash flows  
    -----------------------
   For the purpose of the statement of cash flows, cash and cash equivalents 
includes demand deposits and time deposits with an original term to maturity
of three months or less.

h. Fair value of financial instruments
   -----------------------------------
   The carrying amounts in the financial statements for accounts receivable, 
and accounts payable approximate fair value due to the short-term to nature
of these instruments.
 
i. Recent pronouncements
   ---------------------
   The Financial Accounting Standards Board has issued Statement of Financial 
Accounting Standards No. 121, "Accounting for the Impairment of Long-Lived
Assets and for Long-Lived Assets to be Disposed Of".  The Company has
determined that the implementation of SFAS No. 121 will not have a material
adverse effect on the Companys' financial position and results of operations.
The FASB also issued Statement No. 123, "Accounting for Stock-Based
Compensation" which encourages, but does not require, employers to adopt a fair
value method of accounting for employee stock-based compensation, and which
required increased stock-based compensation disclosures if expense recognition
is not adopted. The Company does not intend to elect expense recognition
for stock options and therefore implementation of this Statement will not
have an effect on the Company's operating results or financial condition.

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


                                  F-10
<PAGE>

3. ACCRUED EXPENSES AND ACCOUNTS PAYABLE 

	
                                                  June 30,        
                                        ----------------------------------
<TABLE>
<S>                                 <C>                  <C>       
                                         1995                     1996
                                      ----------               ----------

 Accounts payable                    $    11,557             $    270,242
 Legal fees                              528,581                  943,101
 Accrued compensated absences             13,158                   15,128
 Other                                    57,088                   31,929
                                      ----------               ----------
                                         610,384                1,260,400
Less long-term portion of legal fees     268,098                  747,638
                                      ----------               ----------
                                      $  342,286              $   512,762
                                      ==========              ===========
</TABLE>
Under an agreement with counsel representing the Company in certain litigation 
(See Note 9), out-of-pocket expenses incurred over $7,500 per month are not
payable until the end of the litigation which is not expected to occur until
after Fiscal 1996.  Accordingly, $268,098 and $747,638 of legal expenses
have been classified as long-term payables at June 30, 1995 and 1996,
respectively.  In the event that there is an outstanding balance at the
conclusion or settlement of the litigation, the Company would be required
to pay twice the outstanding balances of out-of-pocket expenses.  The
Company plans to pay the remaining balances prior to the conclusion or
settlement of the litigation, therefore no provision has been made in
financial statements. 

4. INCOME TAXES  
The provision (benefit) for income taxes consist of the following:
				 

                                Year ended June 30,
                        ------------------------------------
<TABLE>
<S>                  <C>             <C>              <C>
                        1994            1995            1996
                      --------       --------       --------
Federal.......        $  -            $ 5,700          $  -
State........            -                -               -
                      --------       --------       --------
                      $  -            $ 5,700          $  -
                      =========      ========       ========
</TABLE>
The net effect of significant items comprising the Company's net deferred tax 
asset (liability) is as follows:
<TABLE>                                 
                                               June 30,
                                  -----------------------------------------
                                     1995                          1996       
                                  ------------                 ------------
<S>                              <C>                          <C>
Operating loss carryforwards      $  3,045,000                 $  3,092,000     
Tax credit carryforwards               372,000                      372,000
Liabilities not currently                                          
deductible                              93,000                      302,000
Difference between book and
tax basis of property and
equipment, and patents                  (4,000)                       -
AMT credit carryforwards                 5,700                        3,300     
                                  ------------                  -----------
                                     3,511,700                    3,769,300

Valuation Allowance                 (3,511,700)                  (3,769,300)     
                                  ------------                   ----------
Net deferred tax asset/liability  $       -                    $       -     
                                  ============                   ===========
</TABLE>

 The realization of the deferred tax assets relates directly to the Company's 
ability to generate taxable income for Federal and state tax purposes.
Management is not able to conclude that realization of these deferred tax
assets is more likely than not as a result of the Company's earnings history.
Reductions to the valuation allowance will be recorded when, in the opinion
of management, the Company's ability to generate taxable income is more
certain.

                                   F-11

<PAGE>

 The Company has available net operating loss carryforwards for Federal and
New Jersey state tax purposes at June 30, 1996.  The amounts and dates of
expiration of the net operating losses for Federal tax purposes are
$1,166,000 (2,000), $1,930,000 (2001), $2,954,000 (2002), $2,120,000
(2003), $60,000 (2008), $118,000 (2009) and $608,000 (2011).  The
Company also has available investment tax credits and research and
development credits totaling $372,000 which expire from 1999 through 2002.

5. LICENSE FEE AND FUNDED RESEARCH  

 In December 1994, the Company recorded $50,000 in license fees as the result
of granting a non-exclusive sublicense, under the Company's IL-1 license from
the Institutions, to another company for the use of IL-1 for research
purposes.

 In March 1995, the Company entered into a License Agreement with R&D Systems 
under which the Company granted a sublicense to R&D Systems for the
manufacture and sale of IL-1 products to the research market.  Under
this agreement, the Company received  a  $1 million  license  fee
from  which  the  Company  paid  the Institutions  a fee of $70,000.
In April 1995, the Company also entered into a Research and Development
Agreement with R&D Systems which will provide the Company with $1 million of 
research funding payable over a two and one-half year period which began July
1, 1995.  In Fiscal 1996, the Company received $400,000 of research funding
under this agreement and will receive $400,000 funding in Fiscal 1997 and
$200,000 in Fiscal 1998.

6. INTEREST (INCOME)/EXPENSE - NET  

   Net interest (income)/expense consists of the following:

                                                            February 2, 1982
                                                            (commencement of
                          Year ended June 30,                 operations) to
                  ------------------------------------      ----------------
<TABLE>

<S>                 <C>         <C>        <C>               <C>      
                     1994          1995       1996           June 30, 1996
                  ----------    ----------  ----------        ----------
Interest income      $(908)      $(8,565)   $(26,919)         $(269,378)
Interest expense        -            -          -               192,423
                     ------       -------    --------          ---------
                     $(908)      $(8,565)   $(26,919)         $ (76,955)
                     ======       ======     =======           =========
</TABLE>

7. COMMITMENTS 

    a. Lease commitments

 The Company leases its facilities under an operating lease expiring in
October 1997, with a renewal option for five additional years.
Rental expenses under this lease agreement were $123,000 for the years
ended June 30, 1994, 1995 and 1996, respectively.  The future minimum lease
commitments are as follows:



            Year ended June 30,
          ----------------------
                    1997                  $  123,000
                    1998                      41,000
                                          ----------
                                          $  164,000


 b. Employment agreements
    ---------------------
 The Company has entered into employment agreements with its President and
 Vice President-Operations/Product Development for  five-year periods ending
 April 30, 1999.  The agreements provide for annual compensation of $165,000
 and $90,000, respectively.

 c. Sponsored university research
    -----------------------------
 In August 1995, the Company entered into a sponsored research agreement with
a university to further study IL-1's role in periodontal disease.  Under this 
agreement, the Company will make payments of $175,000 in aggregate which started
in September 1995.

                                          F-12

<PAGE>

8. MAJOR CUSTOMERS AND EXPORT SALES

 Sales to two customers constituted 33% (23% and 10%) of 1994 and 36% (26%
and 10%) of Fiscal 1995 sales, respectively.  Sales to three customers
constituted 50% (25%, 15% and 10%) of Fiscal 1996 sales.  Loss of any of these
customers,if a comparable new customer is not found, would have a material
adverse effect on the Company's sales.

 Export sales amounted to 15%, 13%, and 25% of sales in 1994, 1995, and 1996, 
respectively.

9. LITIGATION

 A. In December 1991, the Company, together with the Institutions, filed suit
in U.S. District Court in Newark, New Jersey against PeproTech, Inc.,
alleging infringement of the Institutions' patent covering the production
of  recombinant IL-1,  to  which  the Company holds an exclusive license.
The Company and the Institutions sought money damages for Cistron's lost sales
and an injunction against further infringement. In September 1993, the U.S.
District Court , district of New Jersey, granted the Company's and the
Institutions' motion for summary judgment against PeproTech.  In its
decision, the court concluded that the scope of the Institutions' patent
encompasses not only the full-length precursor of the IL-1 protein, but the
protein's fragments as well.  Trial was held during November and December
1993, in the United States District Court, District of New Jersey.  In August
1994, the Court entered  judgment in favor of the Company and  the
Institutions.  In its decision, the court rejected PeproTech's arguments
against the validity of the Institution's IL-1 patent and found that
PeproTech's manufacture and sale of IL-1 was an infringement of the IL-1
patent.  The Court ruled that PeproTech's infringement was willful and
awarded $2.7 million in damages, interest and attorneys' fees to Cistron and
the Institutions in October 1994.  PeproTech filed a motion to stay execution
of the judgment pending appeal and Cistron and the Institutions filed a
motion to  add  PeproTech's  president as a defendant.  In July 1995, the
Court denied both motions.  PeproTech then filed an amended notice of appeal
from the finding of patent validity and enforceability, infringement and the
damages award and also in July 1995, PeproTech filed a petition under Chapter
11 of the Bankruptcy Code.

 Cistron and the Institutions filed a cross-notice of appeal requesting that
if the Appellate Court reduces the amount of the damages award, then the
Appellate Court should treble the award, based on PeproTech's willful
infringement, up to a maximum of the originally awarded $2.7 million.
Briefing by both parties at the Appellate Court has been completed.
Oral argument before the Appellate Court is scheduled for October 7,
1996.  It is not known when the appeal might be decided.

 On April 11, 1996, a hearing was held in District Court to determine if 
PeproTech and its owners violated the Court's 1995 orders that enjoined
PeproTech from infringing the IL-1 patent in the United States and which
limited the transfer of assets from PeproTech during a certain period in
1995.  It is not known when the District Court will make its rulings.

 PeproTech is still operating under the protection of the Bankruptcy Court 
while the appeal is pending.  PeproTech has submitted a plan of
reorganization to the Bankruptcy Court, but the plan has not yet been
approved.

 Any damages collected by the Company and the Institutions, net of 
reimbursement of legal fees and costs incurred by them in this litigation,
will be paid to the Company, which, in turn, will pay the Institutions
an amount equal to 7% thereof, representing the Institutions' lost royalties.
The Company has agreed to pay one-half of the legal fees incurred by the
Company and the Institutions in connection with this litigation.  

 B. In January 1992, the Company was notified by the Institutions that the
U.S. Patent and Trademark Office (the "Patent Office") had declared an
interference between a pending application owned by the Institutions and
licensed to the Company and a pending application owned by Immunex Corp.
The subject matter of the interference, as defined by the Patent Office,
is "a substantially pure IL-1 beta protein."   In October 1993, the Company
was notified that the U.S. Patent and Trademark Office Board of Appeals and
Interferences had entered a judgment of "no interference in fact" in the
interference declared in January 1992 between pending patent claims licensed
to the Company by the Institutions and pending patent claims of Immunex Corp.
The pending claims will be referred back to the original examiners for
further review.  It is not presently known which claims, if any, will
ultimately be allowed by the Patent Office.  Should the Patent Office allow
the claims of Immunex Corp. and deny those of the Institutions, the Company
does not believe its current product line would be affected.



                                     F-13


<PAGE>

 On September 28, 1993, the Company filed suit in the U.S. District Court, 
District of New Jersey, against Immunex Corporation  alleging misappropriation
of trade secrets related to IL-1 and seeking damages therefor.  Later that
day, Immunex filed suit against the Company in the U.S. District Court,
District of Washington, seeking  declaratory judgment that Immunex did not
misappropriate trade secrets and an injunction against the Company from
claiming rights in Immunex's pending or issued patents.  In December 1993,
the U.S. District Court, District of New Jersey, transferred the Company's
suit against Immunex to the District of Washington where Immunex's suit
against the Company was pending.

 Immunex  had asserted a counterclaim against the Company claiming that
certain conduct by the Company constituted unfair competition and a
violation of federal and the State of Washington's Consumer Protection Acts.
In January 1994, the Company and Immunex agreed to combine the two suits into
a single action in the District of Washington.

 In March 1994, Immunex filed a motion for summary judgment based upon statute 
of limitations and other time bar arguments.  The Company submitted a brief
opposing Immunex's motion in April 1994.  Also in March 1994, Immunex filed
a motion to a) limit discovery solely to issues related to the time bar
issues and b) separate the potential trial between determination of liability
and damages.  In June 1994, the Judge denied Immunex's summary judgment
motion as well as its motion to limit discovery.  Also in October 1994,
Immunex filed a motion to amend its counterclaim against the Company seeking
a declaration of non-infringement, invalidity and nonenforceability of the
IL-1b patent to which the Company holds an exclusive license.

 The Company submitted a motion to dismiss Immunex's counterclaim and a 
declaration promising not to sue Immunex for infringement of the IL-1b
patent for Immunex's past, current or future production and use of IL-1b
in its own research program; Immunex's existing or past commercial products
or processes based on the use or sale of IL-1b; and Immunex's anticipated
production and marketing of an IL-1 receptor based on Immunex's research and
development which involved production or use of IL-1b. On September 18, 1995,
Immunex withdrew its declaratory judgment counterclaim.

 The Judge's order said that he will give consideration to having the same
jury decide liability first, and then, if necessary,  decide damages issues
following a short interval.  In October 1994, the Company filed a civil
complaint in the U.S. District Court, Western District of Washington, against
certain Immunex founders and former officers, alleging misappropriation of
trade secrets, fraud, and violations of the civil RICO Act.  The Court granted
the Company's motions to amend its complaint against Immunex to include a
count alleging civil RICO Act violations and to consolidate its complaint
against the Immunex founders with its complaint against Immunex.  The
Company's RICO count was dismissed in April, 1996.  In November 1995,
the Company filed to three additional causes of action against Immunex based
on the same facts, for breach of duty of confidentiality, breach of
contract/promissory estoppel, and unfair competition.  Immunex  moved for
summary judgment on these counts in August 1996.  In August 1996, Immunex
also moved for summary  judgment with  respect to trade secret
misappropriation case because the Massachusetts Institutions,  from  which
Cistron's  IL-1b  rights  were licensed, received NIH grants, and Immunex
asserts that the Institutions cannot have trade secrets under the Bayh-Dole
Act.   Immunex also filed two additional motions for summary judgment
seeking to limit the Company's damages claims, and a motion to strike the
Company's jury demand on damages.  The Company  opposed each of those
motions.

 On September 4, 1996, Immunex filed a motion for voluntary dismissal of
their unfair competition counterclaim. The Court dismissed Immunex's
counterclaim on September 24, 1996.

 In its answers to interrogatories, the Company indicated that it is
preliminarily seeking monetary damages of approximately $30 - $70 million
from Immunex.  There can be no assurance as to what the final level of
damages sought will be, or that the Company will be successful in receiving
the amount sought either at trial or by settlement or that any award received
might not be overturned or reduced after trial on appeal.

 On September 13, 1996, the District Court ruled on several motions for
summary judgment in the Company's lawsuit against Immunex.  The Court
denied Immunex's motion seeking a ruling that the Company's claims for
trade secret misappropriation, breach of confidentiality, and breach of
contract or promissory estoppel, were preempted by the federal Bayh-Dole Act,
and entered summary judgment for the Company on the preemption issue,
concluding that the Bayh-Dole Act does not preempt the Company's state tort
and contract claims.  The  Court also denied Immunex's motion for summary
judgment on the Company's breach of confidentiality and breach of contract
or promissory estoppel claims.


                                     F-14

<PAGE>

 The Court granted several of Immunex's motions for summary judgment on
certain claims and measures of damages.  The Court granted Immunex's motion
for summary judgment on the Company's unfair competition claim, and granted
Immunex's motion for summary judgment on two means of measuring damages,
holding that the Company may not measure damages by using the market price
of Immunex stock, and holding that the Company may not seek damages at trial
based on the interest calculation described in the parties' motion papers.  It
was unclear from the Court's ruling whether the Company would be permitted
to seek any sort of prejudgment interest or present value component of
damages at trial.

 Trial in the Immunex suit which had been scheduled for September 24, 1996 is
being rescheduled to November 1996 due to other scheduling conflicts of the
Court.

The Company has incurred legal fees (included in administrative and marketing) 
in the amount of $180,000, $390,000 and $845,000 for the years ended June
30, 1994, 1995, and 1996, respectively, in connection with patents and
litigation.


10. STOCK OPTIONS 

 As of June 30, 1996, 1,157,913 shares of Common Stock were reserved for
issuance in connection with options under the Company's Employee Incentive
Stock Option Plan. Options are granted at not less than the fair market
value of the stock at the date of grant, vest and generally become
exercisable at the cumulative rate of 33-1/3% per annum commencing in the
year of grant and expire ten years after the date of grant.  Incentive stock
options which fully vest and become exercisable six months after the date of
grant (October 1996) have been granted to two employees.


 Other options to purchase the Company's Common Stock have been granted to 
directors of the Company, and to a consultant at the then fair market value.
The options to the directors vest and become exercisable at the cumulative
rate of 33-1/3% per annum commencing in the year of the grant except for one
director's and one officer's options which fully vested and became
exercisable six months after the date of grant (October 1995 and May 1996),
respectively.




                                  F-15

<PAGE>






<TABLE>


                    A summary of options and warrants to purchase the Company's Common Stock follows:
                                                                           
                                                                   
                                                                        
                                                              s h a r e s  u n d e r
                                  ----------------------------------------------------------------------------
                                  Total Number   Employee Incentive    Class D      Class E     Other options/
                                  ----------------------------------------------------------------------------
                                   of shares     Stock option plan     warrant      warrant      warrants
     <S>                          <C>                 <C>             <C>          <C>           <C>                        
     Balance, June 30, 1993        6,907,699           883,761          2,500,000    2,500,000    1,023,938  
       Granted                        87,500            87,500              -            -            -  
       Exercised     -                 -                 -                  -            -
       Cancelled or expired       (5,050,000)            -             (2,500,000)  (2,500,000)     (50,000)
                                  -----------          --------        -----------  -----------     --------                      
     Balance, June 30, 1994        1,945,199           971,261              -            -          973,938 
       Granted                       223,053            73,053              -            -          150,000  
       Exercised                       -                 -                  -            -               -  
       Cancelled or expired         (323,053)          (73,053)             -            -         (250,000) 
                                  -----------          --------        -----------  -----------     --------                 
     Balance, June 30, 1995        1,845,199           971,261              -            -          873,938  
       Granted                       815,546           140,577              -            -          674,969
       Exercised                       -                 -                  -            -            -
       Cancelled or expired         (140,577)         (140,577)             -            -            -  
                                  -----------         ---------        -----------  -----------   ----------                        
     Balance, June 30, 1996        2,520,168           971,261              -            -        1,548,907 
                                  ===========         =========        ===========  ===========   =========                         
     Options/Warrants Exercisable                                                                    
       at June 30, 1996                                801,516                                    1,548,907  
                                                      ---------                                  -----------
     Option/Warrant Prices                           $.13 - $.44                                 $.02 - $.30  
											
     Options/Warrants expire in                       1997-2006                                   1995-2005  
											
</TABLE>

                                                                F-16

<PAGE>



                                                      Genzyme Corporation
                                                      One Kendall Squre
                                                      Cambridge, Ma 02139-1562
     Genzyme                                          617-252-7500
     Diagnostics                                      Fax 617-374-7300

                           Supply Agreement

        This Agreement, effective as of the 10th day of July, 1996 ("the 
        Effective Date"), by and between:

         CISTRON BIOTECHNOLOGY, INC. a corporation organized and 
         existing under the laws of the State of Delaware, USA and 
         having its principal place of business at Box 2004, 10 
         Bloomfield Avenue, Pine Brook, New Jersey, USA 07058 
         (hereinafter referred to as "CISTRON"),

                        and

        GENZYME CORPORATION, a corporation organized and existing 
        under the laws of the Commonwealth of Massachusetts, USA, 
        and having its principal place of business at One Kendall 
        Square, Cambridge, Massachusetts, USA 02139-1562 
        (hereinafter referred to as "GENZYME")

    WHEREAS, CISTRON has developed and is selling to the research market a 
    human interleukin -1 beta (IL-1b) research assay product, "HS Kit" (as 
    defined below);

    WHEREAS, GENZYME desires to purchase the HS Kit from Cistron for 
    resale;
        
    NOW THEREFORE, in consideration of the rights, obligations, and mutual 
    premises set forth herein, CISTRON and GENZYME, intending to be bound 
    thereby, agree as follows:

                                Article 1. Definitions
        
        The following terms as used in this Agreement shall have meanings set 
        forth in this Article.

        1.1  "Territory" shall mean the Research Market for all countries of 
        the world.
 
        1.2  "HS KIT" shall mean the following finished, but unlabelled, 
        components of CISTRON's human interleukin-1 beta assay (catalog 
        03-HS96) 

          1 Monoclonal antibody coated 96 well strip microtiter plate, 
          foil sealed

          1 Vial of recombinant interleukin-1 beta standard (lyophilized, 
          50 ng/mL after reconstitution)

          1 Vial of interleukin-1 beta polyclonal antibody (lyophilized, 
          11 mL after reconstitution)

          1 Bottle of  conjugate (liquid, .2mL


                                        40
<PAGE>



1.3  "AGREEMENT PERIOD" shall mean the calendar time period commencing 
with the date of the execution of this Agreement and extending for 
twenty-four (24) months therefrom.

1.4  "CONFIDENTIAL INFORMATION" - shall mean any proprietary 
information or materials belonging to the disclosing party 
(whether or not patentable) including, but not limited to, 
formulations, techniques, methodology, equipment, data, reports, 
know-how, sources of supply, patent positioning, consultants and 
business plans, including any negative developments, which are 
communicated to, learned by, or otherwise acquired by the party 
receiving such information or materials during or in the course of 
this Agreement, further including information concerning the 
existence, scope or activities of any research and development 
project of the disclosing party.

Notwithstanding the foregoing, CONFIDENTIAL INFORMATION shall not 
include an information which (i) is or becomes part of the public 
domain through no act or omission of the part of the receiving 
party, (ii) is disclosed to a third party by the disclosing party 
without restriction of disclosure by such third party, (iii) is in 
the receiving party's possession, without actual or constructive 
knowledge of an obligation to the confidentiality with respect 
thereto, at or prior to the time of disclosure under this 
Agreement, (iv) is disclosed to the receiving party by a third 
party having no obligation of confidentiality with respect 
thereto, (v) is released from confidential treatment by written 
consent of the disclosing party.

                  Article 2. Supply Agreement

2.1  During the AGREEMENT PERIOD, GENZYME agrees to purchase from 
CISTRON and CISTRON agrees to supply to GENZYME HS KITs for resale 
in the TERRITORY under GENZYME's name.

2.2  CISTRON agrees to manufacture and supply HS KITs to GENZYME at the 
following prices:

Quarterly GENZYME 		Sale Price/Kit to GENZYME
Purchases
less than 125 kits		$255 each plus freight and insurance
125-175				$220 each plus freight and insurance
176-300				$210 each plus freight and insurance
251-300				$190 each plus freight and insurance
301+                            $180 each plus freight and insurance

2.3  GENZYME will provide buffers for each HS KIT, label the HS KITs 
and components as GENZYME products, and provide product literature 
for inclusion in each HS KIT.
2.4  All orders from GENZYME will be subject to acceptance, by CISTRON. 
All purchases pursuant to orders by GENZYME shall be, at CISTRON's 
option, F.O.B. Pine Brook, New Jersey, U.S.A. or other place of 
manufacture. Title to, and risk of loss of and damage to, any 
shipments of the HS KITs shall pass to GENZYME when such HS KITs 
are delivered

                                    41
<PAGE>

at any F.O.B. location to a carrier of CISTRON's choice, if a carrier has
not been specified by GENZYME in this written order confirmation.

2.5  CISTRON will ship to GENZYME the quantity of kits ordered in a 
quarterly purchase order within forty-five (45) days of receipt of 
such purchase order and will invoice GENZYME. GENZYME shall pay 
each invoice in accordance with its regular terms of payment net 
thirty (30) days. CISTRON will, whenever possible, ship complete 
orders, however, should CISTRON not be able to ship a complete 
order, CISTRON will so notify GENZYME.  GENZYME may accept or 
refuse partial shipments at its discretion, but may not refuse 
acceptance of shipments that comprise at least 80% of a complete 
order.

2.6  CISTRON will perform quality control testing on each lot of HS 
KITs and provide such manufacturing an quality control 
information, on a confidential basis, to GENZYME as may be 
mutually agreed as necessary with each new production lot.  
GENZYME will keep such information confidential and will restrict 
its use solely to the HS KITs.

2.7  GENZYME shall perform in-house testing, at its own expense, as it 
deems appropriate upon receipt of each product shipment from 
CISTRON. GENZYME will report any product performance deficiencies 
or quality discrepancies GENZYME may discover to CISTRON within 
fifteen (15) days of receipt. Failure to report any product 
deficiencies or discrepancies with fifteen (15) days of the 
receipt of each product shipment shall constitute acceptance of 
the shipment.  If GENZYME notifies CISTRON within fifteen (15) 
days of its receipt of HS KITs that a kit or kits fail to meet 
specifications, such non-conforming kits which are due to a defect 
of one or more of the components supplied by CISTRON pursuant to 
paragraph 1.1 shall be replaced by CISTRON as soon as reasonable 
possible thereafter and, if already paid for, at CISTRON's cost.

2.8  CISTRON warrants merchantability of HS KITs only for use as a 
research product and only when used in conformance with the 
CISTRON HS KIT protocol.  Except as provided therein, CISTRON 
makes no warranty of merchantability or performance after 
acceptance of each shipment by GENZYME.  CISTRON specifically 
advises against the testing of human serum with the HS KIT, and 
GENZYME specifically agrees that CISTRON makes no warranty of 
performance of HS KITs run with human serum samples.

2.9  Any term or condition in a invoice or other document used by 
CISTRON which is different than the terms of this Agreement shall 
be deemed inapplicable.

2.10  CISTRON agrees not to enforce any of its patent rights against 
GENZYME and its distributors relating to GENZYME's marketing of HS 
KITs pursuant to the terms of this Agreement.  However, nothing 
contained herein shall be construed as granting or implying any 
right to GENZYME under any existing or future letters patent 
covering the  HS KIT.

                    Article 3. Warranties

3.1  Each of CISTRON and GENZYME warrants and represents to the other 
that it has the full right and authority to enter into this 
Agreement.
                                      
                                    42
<PAGE>

3.2  THE WARRANTIES SET FORTH IN THIS ARTICLE 3 AND IN 2.8 ARE THE ONLY 
WARRANTIES MADE BY THE PARTIES AND ARE EXPRESSLY IN LIEU OF ANY 
AND ALL OTHER WARRANTIES EXPRESSED OR IMPLIED INCLUDING, WITHOUT 
LIMITATION, ANY AND ALL WARRANTIES OF MERCHANTABILITY AND FITNESS 
FOR A PARTICULAR PURPOSE.  NOTWITHSTANDING ANYTHING STATED HEREIN 
TO THE CONTRARY, IN NO EVENT SHALL EITHER PARTY BE LIABLE TO THE 
OTHER PARTY OR TO ANY DISTRIBUTEE OF THE OTHER PARTY OR ANYONE 
ELSE IN PRIVITY WITH THE OTHER PARTY FOR ANY SPECIAL, INDIRECT, OR 
CONSEQUENTIAL DAMAGES REGARDLESS OF WHETHER OR NOT THE FIRST PARTY 
HAS BEEN APPRISED OF THE POSSIBILITY THEREOF.


                   Article 4.  Termination

4.1  Unless earlier terminated pursuant to paragraphs 4.2, 4.3, or 4.4,
this Agreement will expire two (2) years from the effective date 
set forth above.

4.2  Upon material breach of this Agreement by either party and in the 
event the breach is not cured within forty-five (45) days after 
written notice to the defaulting party by the other party, in 
addition to any other remedy it may have, the notifying party at 
its sole option may terminate this Agreement.

4.3  This Agreement may be terminated by either party if the other 
party becomes insolvent, makes an assignment for the benefit of 
its creditors, files a petition for protection under any 
bankruptcy law or consents to the appointment of a receiver of 
liquidation of its assets, or its ownership substantially changes.

4.4  This Agreement may be terminated by either party upon learning of 
the existence of a third party patent, which in the opinion of 
competent legal counsel is infringed by the sale of an HS KIT.

4.5  Upon any termination of the Agreement, GENZYME will be entitled to 
sell any completed inventory of HS KITs covered by this Agreement 
which remain on hand as of the date of the termination, so long as 
GENZYME pays to CISTRON the amount applicable to said purchase in 
accordance with the same terms and conditions as set forth in this 
Agreement.

4.6  Upon termination of this Agreement for any reason, nothing herein  
will be construed as releasing either party from any obligation 
that matured prior to termination of this Agreement.

                Article 5.  Publicity and Confidentiality

5.1  Neither party shall use the name of the other in any form of 
advertising or promotion without the prior written approval of the 
other.

5.2  (a) Except as provided in Section 5.2(b) below, for a period of 
five (5) years from the termination date of this Agreement, 
GENZYME will maintain any and all of the CONFIDENTIAL INFORMATION  
received from CISTRON, in confidence, will not use same for its 
own benefit except as expressly provided in this Agreement, and 
will not

                                    43
<PAGE>

release or disclose any tangible or intangible component
thereof to any third party without first receiving the prior 
written consent of CISTRON to said release or disclosure.

(b)  The provisions of Section 5.2(a) notwithstanding, GENZYME may 
disclosed  CONFIDENTIAL INFORMATION  of CISTRON to GENZYME 
Affiliates or in the event of a disclosure compelled by a court of 
competent jurisdiction.  In addition, GENZYME may disclose 
CONFIDENTIAL INFORMATION of CISTRON in confidence to any third 
party who has a need to know such CONFIDENTIAL INFORMATION for the 
purpose of this Agreement; provided that GENZYME will first notify 
CISTRON of the identity of such third party and that such 
disclosure will be made under the provisions of a written 
confidential disclosure agreement which is binding upon such third 
party to the same obligations of confidentiality under which 
GENZYME is bound to CISTRON by the terms of this Agreement.  
GENZYME need not notify CISTRON before disclosing any CONFIDENTIAL 
INFORMATION to any GENZYME Affiliate.

5.3  (a) For a period of five (5) years from the termination date of 
this Agreement, CISTRON will maintain any and all of the 
CONFIDENTIAL INFORMATION received from GENZYME, in confidence, 
will not use same for its own benefit except as expressly provided 
in this Agreement, and will not release or disclose any tangible 
or intangible component thereof to any third party, except for the 
purposes of this Agreement and only after prior notice to GENZYME 
and after obtaining a written confidential disclosure agreement 
binding such third party to the same obligation of confidentiality 
to which CISTRON is bound to GENZYME under this Agreement.

(b)  The provisions of Section 5.3(a) notwithstanding, CISTRON may 
disclose CONFIDENTIAL INFORMATION of GENZYME to CISTRON Affiliates 
or in the event of a disclosure compelled by a court of  competent 
jurisdiction.  In addition, CISTRON may disclose CONFIDENTIAL 
INFORMATION of GENZYME in confidence to any third party who has a 
need to know such CONFIDENTIAL INFORMATION for the purpose of this 
Agreement; provided that CISTRON will first notify GENZYME of the 
identity of such third party and that such disclosure will be made 
under the provisions of a written confidential disclosure 
agreement which is binding upon such third party to the same 
obligations of confidentiality under which CISTRON is bound to 
GENZYME by the terms of this Agreement.  CISTRON need not notify 
GENZYME before disclosing any CONFIDENTIAL INFORMATION to any 
CISTRON Affiliated.
                        
                   Article 6. General Provisions

6.1  The relationship between CISTRON and GENZYME is that of 
independent contractors. CISTRON and GENZYME are not joint 
venturers, partners, principal and agent, master and servant, 
employer and employee, and have no relationship other than as 
independent contracting partners.  CISTRON will have no power to 
bind or obligate GENZYME in any manner, other than as is expressly 
set forth in this Agreement. Likewise, GENZYME will have no power 
to bind or obligate CISTRON in any manner, except as is expressly 
set forth in this Agreement.

6.2  Any disagreement between the parties which relates to this 
Agreement will be submitted to arbitration by a single, mutually 
acceptable arbitrator to resolve such disagreement.  The 
arbitrator will conduct the arbitration in accordance with the 
Rules of the American

                                    44
<PAGE>

Arbitration Association, unless the parties agree otherwise.  If the parties
are unable to agree on the selection of an arbitrator, the arbitrator will
be selected in accordance with the procedures of the American Arbitration 
Association.  The decision and award rendered by the arbitrator will be final
and binding.  Judgment upon the award may be entered in any court having
jurisdiction thereof.

6.3  This Agreement sets forth the entire agreement and understanding 
between parties as to the subject matter thereof and supersedes 
all prior Agreements to this respect. There will be no amendments 
or modifications to this Agreement, except by a written document 
which is signed by both parties.

6.4  This Agreement will be construed and enforced in accordance with 
the laws of the State of New York without reference to its choice 
of law principles.

6.5  The headings in this Agreement have been inserted for convenience 
of reference only and are not intended to limit or expand on the 
meaning of the language contained in the particular article or 
section.

6.6  any delay in enforcing a party's rights under this Agreement or 
any waiver as to a particular default or other matter will not 
constitute a waiver of a party's right to future enforcement of 
its rights under this Agreement, excepting only as to any 
expressed written and signed waiver as to a particular matter for 
a particular period of time.

6.7  Any notice given pursuant to this Agreement will be in writing and 
will be deemed delivered upon the earlier of (i) the date of 
facsimile transmission or hand delivery, (ii) when received at the 
address set forth below, (iii) five (5) business days after mailed 
postage prepaid and properly addressed, with return receipt 
requested.

Notice will be delivered to the respective parties as indicated:

To GENZYME:		GENZYME Corporation
                        One Kendall Square
                        Cambridge,  Massachusetts 02139-1562
                        Attn: David Fleming

Copy to:		Legal Department
                        One Kendall Square
                        Cambridge, Massachusetts 02139-1562

To CISTRON:		CISTRON Biotechnology, Inc.
                        Box 2004
                        10 Bloomfield Avenue
                        Pine Brook, New Jersey USA 07058
                        Attn: President

Copy to:		Epstein Becker & Green, P.C.
                        250 Park Avenue
                        New York, New York USA 10177-0077
                        Attn: Sidney Todres, Esq.

                                    45
<PAGE>

6.8  Each party hereto will be excused from performance for failure or 
delay in meeting any obligations hereunder due to Acts of God, 
acts of war, fire, flood, embargo, riots or revolution, provided 
that such excusal from performance will last only for so long as 
that party's performance is reasonably prevented by such force 
majeure.  The party affected by such force majeure shall use its 
reasonable best efforts to mitigate any damage thus occasioned.

6.9  The provisions of this Agreement are severable and in the event 
that any provision of this Agreement shall be determined to be 
invalid or unenforceable such invalidity or unenforcability shall 
not in any way affect the validity or enforcability of the 
remaining provisions hereof.

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

ACCEPTED AND AGREED TO:

CISTRON                                                GENZYME

By: /s/ BRUCE C. GALTON                 By: /s/DAVID FLEMING
    -------------------                     ----------------
    Bruce C. Galton                         David Fleming

Title: President & COO, Cistron         Title: President, Genzyme Diagnostics
       President                               President Diagnostics          
Date: 7-15-96                                  Date: July 11, 1996 
                                    46
<PAGE>

     

                  INDEPENDENT AUDITORS' CONSENT



We consent to the incorporation by reference in Registration Statement No. 
33-13704 of Cistron Biotechnology, Inc. on Form S-8 of our report dated 
September 12, 1996 (which expresses an unqualified opinion and includes an 
explanatory paragraph relating to the Company's ability to continue as a 
going concern), appearing in this Annual Report on form 10-K of Cistron 
Biotechnology, Inc. for the year ended June 30, 1996.


/Deloitte & Touche LLP/
Parsippany, New Jersey
September 30, 1996
                                         47
<PAGE>


<TABLE> <S> <C>

      
<ARTICLE> 5
<LEGEND>
This Schedule contains summary financial information taken from the balance
sheet as of June 30, 1996 and the statement of operations for the
twelve-month period ended March 31, 1996, and is qualified in its entirety
by reference to such financial statements.
       
<S>                                           <C>

<PERIOD-TYPE>                                     12-MOS
<FISCAL-YEAR-END>                              JUN-30-1996
<PERIOD-START>                                 JUL-1-1995
<PERIOD-END>                                   JUN-30-1996
<CASH>                                            359,600
<SECURITIES>                                            0
<RECEIVABLES>                                     235,549
<ALLOWANCES>                                            0
<INVENTORY>                                         6,337
<CURRENT-ASSETS>                                  601,986
<PP&E>                                            728,998
<DEPRECIATION>                                    722,992
<TOTAL-ASSETS>                                    659,799
<CURRENT-LIABILITIES>                             512,762
<BONDS>                                                 0
                                   0
                                             0
<COMMON>                                          268,830
<OTHER-SE>                                       (869,431)
<TOTAL-LIABILITY-AND-EQUITY>                      659,799
<SALES>                                           562,161
<TOTAL-REVENUES>                                  994,080
<CGS>                                             320,429
<TOTAL-COSTS>                                   2,100,246
<OTHER-EXPENSES>                                        0
<LOSS-PROVISION>                                        0
<INTEREST-EXPENSE>                                      0
<INCOME-PRETAX>                                (1,106,166)
<INCOME-TAX>                                            0
<INCOME-CONTINUING>                            (1,106,166)
<DISCONTINUED>                                          0
<EXTRAORDINARY>                                         0
<CHANGES>                                               0
<NET-INCOME>                                   (1,106,166)
<EPS-PRIMARY>                                     (.04)
<EPS-DILUTED>                                     (.04)
        

</TABLE>


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