TEXAS BIOTECHNOLOGY CORP /DE/
10-Q, 1996-05-13
PHARMACEUTICAL PREPARATIONS
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<PAGE>
 
                                                                  CONFORMED COPY
                                                                  --------------

                                 UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549


                                   FORM 10-Q


(Mark One)

   [X]  QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES
         EXCHANGE ACT OF 1934 FOR QUARTER ENDED MARCH 31, 1996

                                       OR

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

Commission File Number:  1-12574

                        TEXAS BIOTECHNOLOGY CORPORATION
- --------------------------------------------------------------------------------
             (Exact name of registrant as specified in its charter)

          Delaware                                        13-3532643
- --------------------------------------------------------------------------------
(State or other jurisdiction of            (I.R.S. Employer Identification No.)
 incorporation or organization)

            7000 Fannin, Suite 1920, Houston, Texas        77030
- --------------------------------------------------------------------------------
            (Address of principal executive office)      (Zip code)

                                 (713) 796-8822
- --------------------------------------------------------------------------------
              (Registrant's telephone number, including area code)

                                 Not Applicable
- --------------------------------------------------------------------------------
   (Former name, former address and former fiscal year, if changed since last
                                    report)

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 the number of shares outstanding of each of the issuer's classes of
Common Stock, as of the latest practicable date.

               Class                           Outstanding at April 30, 1996
               -----                           -----------------------------

               Common Stock, $0.005 par value              24,008,788
<PAGE>
 
                        TEXAS BIOTECHNOLOGY CORPORATION

                               TABLE OF CONTENTS
                               -----------------
                                        

<TABLE> 
<CAPTION> 
                                                                                     PAGE NO.
                                                                                     --------
<S>                                                                                  <C> 
PART I.  FINANCIAL INFORMATION
 
         ITEM 1:  FINANCIAL STATEMENTS
 
         Consolidated Balance Sheets as of March 31, 1996 and December 31, 1995          1
     
         Consolidated Statements of Operations for the three months ended
         March 31, 1996 and 1995, and the period from August 2, 1989
         (date of incorporation) through March 31, 1996                                  2
     
         Consolidated Statements of Cash Flows the three months ended
         March 31, 1996 and 1995, and the period from August 2, 1989
         (date of incorporation) through March 31, 1996                                  3
     
         Notes to Consolidated Financial Statements                                      4
     
         ITEM 2: MANAGEMENT'S DISCUSSION AND ANALYSIS OF
                 FINANCIAL CONDITION AND RESULTS OF OPERATIONS                          13
 
PART II. OTHER INFORMATION
 
         ITEM 1:  LEGAL PROCEEDINGS                                                     16
 
         ITEM 2:  CHANGES IN SECURITIES                                                 16
 
         ITEM 3:  DEFAULTS UPON SENIOR SECURITIES                                       16
 
         ITEM 4:  SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS                   17
 
         ITEM 5:  OTHER INFORMATION                                                     17
 
         ITEM 6:  EXHIBITS AND REPORTS ON FORM 8-K                                      17
 
SIGNATURES                                                                              18

INDEX TO EXHIBITS                                                                       19
</TABLE> 
<PAGE>
 
PART I FINANCIAL INFORMATION

ITEM 1. FINANCIAL STATEMENTS

                TEXAS BIOTECHNOLOGY CORPORATION AND SUBSIDIARY
                       (A DEVELOPMENT STAGE ENTERPRISE)

                          CONSOLIDATED BALANCE SHEETS

<TABLE> 
<CAPTION> 
                                                       MARCH 31,   DECEMBER 31,
                          ASSETS                         1996         1995
                          ------                      -----------  ------------
                                                      (UNAUDITED)
<S>                                                 <C>            <C>
Current assets:
  Cash and cash equivalents                         $  8,521,430      5,724,264
  Short term investments                              13,568,320      8,195,307
  Short term note receivable                             122,500        122,500
  Prepaids                                               602,115        554,208
  Other current assets                                   430,396        547,391
                                                    ------------   ------------
    Total current assets                              23,244,761     15,143,670

Equipment, furniture and fixtures, and
  leasehold improvements                               7,565,092      7,529,415
  Less: Accumulated depreciation and amortization     (3,931,622)    (3,746,586)
                                                    ------------   ------------
    Net property                                       3,633,470      3,782,829
                                                    ------------   ------------
    Total assets                                    $ 26,878,231     18,926,499
                                                    ============   ============

        LIABILITIES AND STOCKHOLDERS' EQUITY
        ------------------------------------
Current liabilities:
  Accounts payable and accrued expenses             $  2,735,607      2,566,264
  Deferred revenue                                       250,000        650,110
                                                    ------------   ------------
    Total current liabilities                          2,985,607      3,216,374

Commitments and contingencies                                 --             --

Stockholders' equity:
  Preferred stock, par value $.005 per share. 
   At March 31, 1996 and December 31, 1995
   5,000,000 shares authorized; none
   outstanding.                                               --             --
  Common stock, par value $.005 per share.
   At March 31, 1996, 40,000,000 shares
   authorized; 24,001,143 shares issued and
   outstanding. At December 31, 1995, 
   40,000,000 shares authorized; 17,439,365
   shares issued and outstanding                         120,009         87,198
  Additional paid-in capital                          72,519,615     59,540,730
  Deferred compensation expense                          (24,291)       (46,177)
  Deficit accumulated during the development
   stage                                             (48,722,709)   (43,871,626)
                                                    ------------   ------------
    Total Stockholders' equity                        23,892,624     15,710,125
                                                    ------------   ------------
    Total liabilities and stockholders' equity      $ 26,878,231     18,926,499
                                                    ============   ============
</TABLE> 

FORM 10-Q  See accompanying notes to consolidated financial statements    Page 1
<PAGE>
 
                TEXAS BIOTECHNOLOGY CORPORATION AND SUBSIDIARY
                       (A DEVELOPMENT STAGE ENTERPRISE)

                     CONSOLIDATED STATEMENTS OF OPERATIONS

                                  (UNAUDITED)

<TABLE> 
<CAPTION> 
                                                                 AUGUST 2, 1989
                                                                   (DATE OF
                                                                 INCORPORATION)
                                       THREE MONTHS ENDED             TO
                                           MARCH 31,                MARCH 31,
                                      1996           1995             1996
                                --------------  -------------    -------------
<S>                             <C>             <C>              <C>
Revenues:
  Research agreements            $ 1,915,110     1,150,110        12,953,796
  Products and services                1,439        70,308           398,080
  Grant revenue                          753       113,289           667,977
                                 -----------    ----------        ----------
    Total revenues                 1,917,302     1,333,707        14,019,853
                                 -----------    ----------        ----------

Expenses incurred in the
 development stage:
  Research and development         5,480,616     2,842,395        39,068,271
  Charge for purchase of 
   in-process research and
   development                            --            --         9,465,610
  General and administrative       1,112,492     1,223,844        16,517,126
  Restructuring and impairment
   of intangible assets              421,165            --         1,064,915
                                 -----------    ----------        ----------
    Total expenses                 7,014,273     4,066,239        66,115,922
                                 -----------    ----------        ----------
    Operating loss                 5,096,971     2,732,532        52,096,069
                                 -----------    ----------        ----------

Other income (expense):
  Interest income                    245,888       351,895         3,465,007
  Interest expense                        --            --           (91,647)
                                 -----------    ----------        ----------
    Net loss                     $ 4,851,083     2,380,637        48,722,709
                                 ===========    ==========        ==========
Net loss per share               $      0.24          0.15              5.43
                                 ===========    ==========        ==========
Weighted average common shares
 used to compute net loss per
 share                            20,617,041    16,039,448         8,976,688
                                 ===========    ==========        ==========
</TABLE> 

FORM 10-Q  See accompanying notes to consolidated financial statements  Page 2
<PAGE>
 
                TEXAS BIOTECHNOLOGY CORPORATION AND SUBSIDIARY
                       (A DEVELOPMENT STAGE ENTERPRISE)

                     CONSOLIDATED STATEMENTS OF CASH FLOWS

                                  (UNAUDITED)

<TABLE> 
<CAPTION> 
                                                                  AUGUST 2, 1989
                                                                    (DATE OF
                                         THREE MONTHS ENDED       INCORPORATION)
                                              MARCH 31,                TO
                                                                    MARCH 31,
                                        1996            1995          1996
                                    --------------  ------------  --------------
<S>                                 <C>             <C>           <C>
CASH FLOWS FROM OPERATING
 ACTIVITIES:
  Net loss                          $   (4,851,083)   (2,380,637)   (48,722,709)
  Adjustments to reconcile
   net loss to net cash
   used in operating activities: 
     Write-off of deferred
      offering costs related to
      delayed offering                          --            --        324,938
     Depreciation and amortization         185,035       201,369      4,037,874
     Interest expense converted on
      notes payable to stockholders             --            --         87,755
     Expenses paid with stock                   --            --         24,500
     Non cash acquisition costs               
      expensed                                  --            --      9,465,610
     Deferred compensation expense          21,886        23,929        262,867
     Impairment of intangible
      assets                                    --            --        643,750
  Change in operating assets and 
   liabilities, net of effect of
   acquisition: 
    (Increase) in prepaids                 (47,906)           --       (424,546)
    (Increase) decrease in
     receivables                            21,099        12,296        (69,187)
    (Increase) decrease in other
     current assets                         95,896      (199,203)      (559,387)
    Decrease in inventories                     --            --         61,245
    Increase (decrease) in current
     liabilities                           169,343      (169,068)     2,669,491
    (Decrease) in deferred revenue        (400,110)     (418,684)    (1,422,122)
                                    --------------   -----------    ----------- 
      Net cash used in operating
       activities                       (4,805,840)   (2,929,998)   (33,619,831)
                                    --------------   -----------    -----------

CASH FLOWS FROM INVESTING 
 ACTIVITIES:
  Purchases of equipment and
   leasehold improvements                  (35,677)      (70,990)    (7,256,632)
  Purchase of short term 
   investments                         (13,568,320)  (15,301,878)   (65,489,540)
  Redemption of short term
   investments                           8,195,307    12,327,402     51,921,220
  Acquisition of subsidiary, net
   of cash acquired                             --            --       (167,331)
                                    --------------   -----------    -----------
    Net cash used in investing
     activities                         (5,408,690)   (3,045,466)   (20,992,283)
                                    --------------   -----------    -----------

CASH FLOWS FROM FINANCING
 ACTIVITIES:
  Proceeds from notes payable to
   stockholders and related trusts              --            --      1,852,500
  Proceeds from sale of common 
   stock and warrants, net              13,011,696            --     61,609,732
  Repurchase of common stock                    --            --         (3,750)
  Cost of delayed offering                      --            --       (324,938)
                                    --------------   -----------    -----------
    Net cash provided by financing
     activities                         13,011,696            --     63,133,544
                                    --------------   -----------    -----------
  Net increase (decrease) in cash
   and cash equivalents                  2,797,166    (5,975,464)     8,521,430
Cash and cash equivalents at
 beginning of period                     5,724,264     7,199,942             --
                                    --------------   -----------    -----------
Cash and cash equivalents at end
 of period                          $    8,521,430     1,224,478      8,521,430
                                    ==============   ===========    ===========
Supplemental schedule of noncash
 financing activities               $           --            --      1,940,255
                                    ==============   ===========    ===========
</TABLE> 

FORM 10-Q  See accompanying notes to consolidated financial statements    Page 3


<PAGE>
 
                TEXAS BIOTECHNOLOGY CORPORATION AND SUBSIDIARY
                        (A DEVELOPMENT STAGE ENTERPRISE)

                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

                MARCH 31, 1996 (UNAUDITED) AND DECEMBER 31, 1995


(1)   ORGANIZATION AND SIGNIFICANT ACCOUNTING POLICIES

   (a) Organization

       Texas Biotechnology Corporation (the "Company" or "TBC"), a
       biopharmaceutical company, applies innovative drug discovery techniques
       and its specialized knowledge of the role of vascular cell biology in
       cardiovascular disease to the design and development of novel
       pharmaceutical compounds. The Company was incorporated in the state of
       Delaware in 1989.

       During the period from August 2, 1989, (date of incorporation) through
       March 1990, the Company was largely inactive. Since that time, the
       Company has been engaged principally in research and drug discovery
       programs and clinical development of a drug compound. On July 25, 1994,
       the Company acquired all of the outstanding common stock of
       ImmunoPharmaceutics, Inc. ("IPI"), a San Diego, California based company,
       in exchange for common stock of the Company. TBC decided to consolidate
       the IPI operation into TBC in the first half of 1996. (See note 10)

       The Company is presently working on a number of long-term development
       projects which involve experimental and unproven technology, which may
       require many years and substantial expenditures to complete, and which
       may be unsuccessful. To date, other than monoclonal antibody compounds
       and services produced and sold by IPI, the Company has not developed or
       sold any products, and no assurance can be given that the Company will be
       able to develop, manufacture or market any products in the future. In
       addition, no assurance exists that future revenues will be significant,
       that any sales will be profitable, or that the Company will have
       sufficient funds available to complete its research and development
       programs or market any products which it may develop. Accordingly, the
       Company is considered to be in the development stage as it has not to
       date derived significant revenues from its planned principle operations.

   (b) Basis of Consolidation

       The Company's consolidated financial statements include the accounts of
       the Company and its wholly owned subsidiary, IPI. All material
       intercompany transactions have been eliminated. The Company's
       consolidated financial statements include the activity related to IPI
       since August 1, 1994.

   (c) Cash, Cash Equivalents and Short Term Investments

       Cash equivalents are considered to be those securities or instruments
       with original maturities, when purchased, of three months or less.  At
       March 31, 1996, approximately $7,954,000 was invested in Corporate
       Commercial Paper and the remainder was in demand and money market
       accounts.  Short term investments are those investments which have an
       original maturity of less than one year and greater than three months.
       At March 31, 1996, the Company's short term investments consisted of
       approximately $1,997,000 in Government Agency Discount Notes and
       $11,571,000 in Corporate Commercial Paper.  Cash equivalents and short
       term investments are stated at cost, which approximates market value.
       Interest income is accrued as earned.

       On January 1, 1994, the Company adopted Statement of Financial Accounting
       Standards No. 115 (Statement 115), Accounting for Certain Investments in
       Debt and Equity Securities.  Statement 115


FORM 10-Q                                                                 Page 4
<PAGE>
 
       provides for the use of the amortized cost method for investments in debt
       securities when management has the positive intent and ability to hold
       such securities to maturity. In connection with the adoption of Statement
       115, the Company classified all short term investments as held to
       maturity.
   
       (d) Equipment and Leasehold Improvements

       Equipment and leasehold improvements are stated at cost less accumulated
       depreciation and amortization. Depreciation of furniture and equipment is
       provided on the straight-line method over the estimated useful lives of
       the respective assets (3 to 10 years). Amortization of leasehold
       improvements is provided on the straight-line method over the remaining
       minimum lease term.

       (e) Intangible Assets

       Intangible assets are amortized on a straight line basis over ten years.

       (f) Research and Development Costs

       All research and development costs are expensed as incurred and include
       salaries of research and development employees.  For the three months
       ended March 31, 1996 and 1995, salaries and benefits totaled
       approximately $1,928,000 and $1,686,000, respectively, of which
       approximately $1,463,000 and $1,269,000, respectively, was charged to
       research and development.  Payments related to the acquisition of in-
       process research and development are expensed.

       (g) Net Loss Per Share

       Net loss per share is calculated using the weighted average shares of
       common stock outstanding during the period.  For the three months ended
       March 31, 1996 and 1995, and the period from August 2, 1989 (date of
       incorporation) through March 31, 1996, the weighted average common shares
       used to compute net loss per share totaled 20,617,041, 16,039,448 and
       8,976,688 respectively.  Stock options and stock warrants are considered
       common stock equivalents, however are not included in the loss per share
       computations as their effect is anti-dilutive.  Shares held in escrow
       through June 30, 1995, pending satisfaction of certain future conditions,
       and shares related to contingent stock issue rights related to the IPI
       acquisition have been excluded from the net loss per share calculation
       until such shares were released or issued.

       (h) Reclassifications

       Certain reclassifications have been made to prior period financial
       statements to conform with the March 31, 1996 presentation with no effect
       on net loss reported.

       (i) Revenue Recognition

       Revenue from grants is recognized as earned under the terms of the
       related grant agreements.  Revenue from service contracts is recognized
       as the services are performed and/or as milestones are achieved.  Revenue
       from products and services is recognized when the products are shipped or
       the services are performed.  Amounts received in advance of services to
       be performed under contracts are recorded as deferred revenue.

       (j) Patent Application Costs

       Costs incurred in filing for patents are expensed as incurred.

FORM 10-Q                                                                 Page 5
<PAGE>
 
       (k) Use of Estimates

       Management of the Company has made a number of estimates and assumptions
       relating to the reporting of assets and liabilities and the disclosure of
       contingent assets and liabilities to prepare these financial statements
       in conformity with generally accepted accounting principles.  Actual
       results could differ from these estimates.
 
       (l)  Interim Financial Information

       The Consolidated Balance Sheet as of March 31, 1996, and the related
       Consolidated Statements of Operations for the three month periods ended
       March 31, 1996 and 1995, and the period from August 2, 1989 (date of
       incorporation) through March 31, 1996, and Consolidated Statements of
       Cash Flows for the three month periods ended March 31, 1996 and 1995, and
       the period from August 2, 1989 (date of incorporation) through March 31,
       1996, are unaudited.  In the opinion of management, all adjustments
       necessary for a fair presentation of such financial statements have been
       included.  Such adjustments consisted of normal recurring items.  Interim
       results are not necessarily indicative of results for a full year.  The
       consolidated financial statements and notes are presented as permitted by
       Form 10-Q and do not contain certain information included in the
       Company's Annual Consolidated Financial Statements and Notes which should
       be read in conjunction with these consolidated financial statements and
       notes.

       (m)  Accounting Pronouncements

       In October 1995, the Financial Accounting Standards Board issued
       Statement No. 123, "Accounting for Stock-Based Compensation" (Statement
       123).  Statement 123 establishes financial accounting and reporting
       standards for stock-based employee compensation plans using a fair value
       based methodology as an alternative to intrinsic value based methodology.
       In addition, Statement 123 establishes the fair value as the measurement
       basis for transactions in which an entity issues its equity instruments
       to acquire goods or services from non-employees.  The accounting and
       reporting requirements of  Statement 123 are effective beginning January
       1, 1996.  The Company intends to continue using the intrinsic value
       method.

       (2)  CAPITAL STOCK

    In February, 1996, the Company completed a private placement of common
    stock.  The Company issued 6,550,990 shares of Common Stock at $2 1/8 per
    share with proceeds of approximately $13.0 million, net of selling
    commissions and expenses of  approximately $900,000.  The Company agreed
    that on or before May 13, 1996, it will cause to be filed, pursuant to Rule
    415 of the Securities Act, a Shelf Registration Statement as to the shares
    of Common Stock sold to the purchasers in the private placement.  In
    connection with the private placement, the co-exclusive agent, Harris, Webb
    & Garrison received a $634,630 selling commission, 49,775 warrants with an
    exercise price of $3.05 per share and no registration rights, and 497,749
    warrants with an exercise price of $3.66 per share with the underlying
    common stock being registered, under certain circumstances, on a "piggyback"
    basis in the event of a public offering of common stock by the Company.  The
    co-exclusive agent, Aurora Capital Corp., received a $124,653 selling
    commission, 25,587 warrants with an exercise price of $3.36 per share, and
    157,350 warrants with an exercise price of $4.58 per share.  The common
    stock underlying Aurora's warrants will be registered with the Common Stock
    issued in the private placement.  The co-exclusive agents assigned some of
    these warrants to others.

       (3)  STOCK OPTIONS

    The Company has in effect the following stock option plans:

FORM 10-Q                                                                 Page 6
<PAGE>
 
    The Amended and Restated 1990 Incentive Stock Option Plan ("1990 Plan")
    allows for the issuance of incentive and non-qualified options to employees,
    directors, officers, non-employee independent contractors and non-employee
    directors, pursuant to which 280,952 shares of common stock are reserved for
    issuance out of authorized but unissued shares of the Company.

    The Amended and Restated 1992 Incentive Stock Option Plan ("1992 Plan")
    allows for the issuance of incentive and non-qualified options to employees,
    directors, officers, non-employee independent contractors and non-employee
    directors, pursuant to which 1,693,498 shares of common stock are reserved
    for issuance out of authorized but unissued shares of the Company.
 
    The Stock Option Plan for Non-Employee Directors ("Director Plan") allows
    for the issuance of non-qualified options to non-employee directors,
    pursuant to which 71,429 shares of common stock are reserved for issuance
    out of authorized but unissued shares of the Company to be issued to non-
    employee members of the Board of Directors of the Company based on a
    formula.
    
    The 1995 Stock Option Plan ("1995 Plan") allows for the issuance of
    incentive and non-qualified options, shares of restricted stock and stock
    bonuses to employees, officers, and non-employee independent contractors,
    pursuant to which 1,000,000 shares of common stock are reserved for issuance
    out of authorized but unissued shares of the Company.

    The 1995 Non-Employee Director Stock Option Plan ("1995 Director Plan")
    allows for the issuance of non-qualified options to non-employee directors,
    pursuant to which 200,000 shares of common stock are reserved for issuance
    out of authorized but unissued shares of the Company to be issued to non-
    employee members of the Board of Directors of the Company based on a
    formula.
    
    A summary of stock options as of March 31, 1996, follows:
<TABLE>
<CAPTION>
 
 
                      Exercise Price                                       Available
 Stock Option Plans     Per Share     Outstanding  Exercised  Exercisable  for Grant
- ------------------------------------------------------------------------------------
<S>                   <C>             <C>          <C>        <C>          <C>
 
 
1990 Plan              $         3.50     217,160      4,763      202,515     63,792
1992 Plan              $ 1.41 - $5.36   1,605,746      6,502      698,013     87,752
Director Plan          $ 2.40 - $4.54      42,576        ---       20,862     28,853
1995 Plan              $ 1.31 - $4.53     564,500        ---          ---    435,500
1995 Director Plan     $         1.38      65,454        ---       21,822    134,546
                                       ----------     ------      -------    -------
TOTAL                                   2,495,436     11,265      943,212    750,443
                                       ==========     ======      =======    =======
</TABLE>

   The Company has recorded deferred compensation for the difference between the
   grant price and the deemed fair value for financial statement presentation
   purposes related to certain options granted in the period subsequent to May
   27, 1993 and prior to the initial public offering.  Such amount totaled
   $287,158, of which $21,886 has been charged to expense in 1996.  The
   unamortized deferred compensation expense of $24,291 at March 31, 1996 will
   be amortized over the remaining vesting periods of the options.

(4)  INCOME TAXES

   The Company adopted Statement of Financial Accounting Standards No. 109
   "Accounting for Income Taxes" effective January 1, 1993.  As of March 31,
   1996, the Company had a net deferred tax asset of 


FORM 10-Q                                                                 Page 7
<PAGE>
 
   approximately $17,053,000, primarily composed of the tax benefit associated
   with net operating loss carry forwards, start-up and other capitalized costs.
   A valuation allowance for the full amount of the deferred tax asset has been
   established as realization of the benefit is uncertain.

<TABLE>
<CAPTION>
 
<S>    <C>
(5)    COMMON STOCK RESERVED
</TABLE>

       The Company has reserved common stock for issuance as of March 31, 1996
       as follows :

<TABLE>
<CAPTION>
 
<S>                                                          <C>
       Stock option plans                                     3,245,879
       Agreement with Genentech, Inc.                           285,715
       Warrants issuable under the Genentech Agreement          142,858
       Warrants outstanding                                   5,441,669
       Underwriters purchase options and related warrants       710,000
       IPI acquisition (contingent shares)                    1,000,000
                                                             ----------
          Total shares reserved                              10,826,121
                                                             ==========
</TABLE>
(6)  CLINICAL RESEARCH AGREEMENTS

   On February 10, 1995, the Company entered into an agreement with Coromed,
   Inc., a contract research organization, to coordinate the clinical evaluation
   of NOVASTAN(R) as an adjunct to Streptokinase in acute myocardial infarction.
   Coromed is responsible for managing all aspects of the clinical trial and
   making all financial remuneration to testing sites.  The term of the
   agreement is 19 months, subject to extension upon the mutual written
   agreement of both parties.  The parties have agreed to a total budget of
   approximately $3,196,000.  Of this amount, $106,000 was paid upon execution
   of a letter of intent and approximately $450,000 was paid upon execution of
   the agreement.  Subsequent payments will be made monthly on a per patient
   basis, to a maximum total of approximately $2,490,000.  Three additional
   payments of $50,000 each will be made upon completion of specified tasks by
   Coromed.  If the clinical trial is completed in less than 19 months, the
   Company will pay Coromed a bonus calculated as a percentage of personnel
   costs as set forth in the budget, to a maximum bonus amount of approximately
   $327,000.  In addition, the Company has engaged Coromed to provide various
   services related to other ongoing NOVASTAN(R) trials being conducted by the
   Company.

    On May 1, 1996, the Company amended the above agreement with Coromed, Inc.
    The term of the contract was extended to 24 months with an additional cost
    of $1,200,000.  The bonus payment, if any, is now based on the completion in
    less than 24 months.

(7)  RESEARCH AGREEMENTS

   On October 11, 1994, the Company signed a collaborative agreement with
   Synthelabo, a French pharmaceutical group, to develop and market compounds
   for vascular proliferation disease derived from the Company's FGF and
   antisense programs.  Upon consummation of the transaction, Synthelabo
   purchased 1,428,571 shares of common stock for $3.50 per share for a total of
   $5 million and paid a non-refundable licensing fee of $3 million.  In
   addition, Synthelabo has committed to pay $3 million annually in research
   payments (payable in quarterly installments of $750,000) for three years.
   Synthelabo has agreed, upon the achievement of certain milestones, to further
   payments of up to $3 million per year for up to $18 million in total.
   Synthelabo has the right to terminate the agreement any time on or after
   October 15, 1996, for any reason and either party has the right to terminate
   the contract for breach of any material obligation.  If Synthelabo exercises
   this termination right, the license granted to Synthelabo shall terminate and
   TBC will pay Synthelabo a royalty on net sales of any products sold in a
   certain territory for a period of time. In addition, Synthelabo may, at its
   option, require that the technology be transferred to and the development
   program be conducted by a joint venture owned by TBC and Synthelabo should
   "net worth" as defined in the agreement be less than $5 million as of the end
   of any calendar quarter during the term of the  agreement.  The first
   quarterly research payment of $750,000 was received on October 31, 1994, of
   which $500,000 was recognized in 1994.  As of March 31, 1996, $250,000 is
   included in current deferred 


FORM 10-Q                                                                 Page 8
<PAGE>
 
   revenue. Synthelabo will pay royalties to TBC, based on the net sales, in
   those geographic areas covered in the agreement. In exchange for the above
   consideration, Synthelabo will receive an exclusive license to manufacture,
   use, and sell any products generated from the research, in Europe, the Middle
   East, Africa and the countries of the former Soviet Union. One of the
   programs, which involves antisense, is being jointly reviewed and may result
   in a redirection of the research into another area

   During 1995, the Company and Synthelabo mutually agreed to exchange certain
   clinical data.  In January 1996, the Company signed an agreement with
   Synthelabo with respect to the supply of information related to certain
   clinical studies regarding NOVASTAN(R).  Synthelabo paid TBC $500,000 upon
   execution of the agreement.  In addition, over the term of the agreement as
   certain milestones are met, Synthelabo has committed to pay TBC additional
   payments that total $2,000,000.  These payments are dependent on rate of
   enrollment in certain clinical studies, the completion of certain clinical
   studies and date of completion of certain clinical studies.  Synthelabo is
   the licensee for NOVASTAN(R) in certain territories other than those which
   were sublicensed to TBC.

(8)  LICENSE AGREEMENT

   In May 1993, TBC entered into an agreement with Genentech to sublicense
   Genentech's rights and technology relating to NOVASTAN(R) (argatroban)
   originally licensed to Genentech by Mitsubishi Chemical Corporation
   ("Mitsubishi"), and to license Genentech's own proprietary technology
   developed with respect to NOVASTAN(R) (the "Genentech Agreement").  Under the
   license and sublicense, the Company has an exclusive license to use and sell
   NOVASTAN(R) in the United States and Canada for specified human
   cardiovascular indications, not including cerebral thromboembolism (stroke).
   The Company is required to pay Genentech and Mitsubishi specified royalties
   on net sales of NOVASTAN(R) by the Company and its sublicensees after its
   commercial introduction in the United States and Canada.  Genentech has the
   right to terminate the agreement or to cause the license to become non-
   exclusive if the Company fails to exercise due diligence in performing its
   obligations under the agreement for a period of 60 days after receiving
   written notice from Genentech or fails to maintain a minimum consolidated
   tangible net worth of $5.0 million.  This due diligence obligation requires
   the Company, among other things, to file a new drug application for
   NOVASTAN(R) with the United States Food and Drug Administration ("FDA") no
   later than June 30, 1997, subject to certain goals being reached in
   accordance with a supplemental agreement entered into by the Company,
   Genentech, and Mitsubishi effective June 30, 1995. These goals are, in
   general, (i) enrollment and treatment with study drugs for a specified
   minimum number of subjects for certain human clinical trials by December 31,
   1995, (ii) a specified number of study centers being under contract and
   performing the trials by December 31, 1995, (iii) commencement of specified
   planned studies and the pilot phase of certain human clinical trials by
   December 31, 1995, (iv) completion of enrollment and treatment with study
   drugs of subjects for certain human clinical trials by June 30, 1996, and (v)
   completion of milestones related to animal and human clinical trials and
   schedules for NOVASTAN(R) by various dates in 1996 and 1997 (the latest date
   being June 30, 1997).  Additionally, the supplemental agreement provides for
   a limited sixty (60) day period to cure an inability to perform enrollment
   and treatment goals by December 31, 1995, June 30, 1996, or December 31,
   1996, as set forth in the supplemental agreement.  The Company received a
   variance to the supplemental agreement through March 31, 1996.  With respect
   to the trials underway, enrollment did not meet the goals outlined in the
   supplemental agreement by the March 31, 1996 deadline received in the
   variance agreement.  The Company is currently negotiating with Genentech and
   Mitsubishi for an extension or revision of the agreement.  Either party may
   terminate the Genentech Agreement on 60 days notice if the other party
   defaults in its material obligations under the agreement, declares bankruptcy
   or is insolvent, or if a substantial portion of its property is subject to
   attachment.  The Genentech Agreement is also subject to the continuation of
   Genentech's license agreement with Mitsubishi, which is only terminable if
   Genentech defaults in its material obligations under the agreement, declares
   bankruptcy or is insolvent, or if a substantial portion of its property is
   subject to attachment.  Unless terminated sooner pursuant to the above
   described termination provisions, the Genentech Agreement is expected to
   expire in June 2007.  Under the Genentech Agreement, TBC has access to an
   improved formulation patent granted in 1993 which expires in 2010 and a use
   patent which expires in 2009.


FORM 10-Q                                                                Page 9
<PAGE>
 
    Mitsubishi further agreed to supply the Company with its requirements of
    NOVASTAN(R) throughout the term of the Genentech Agreement for TBC's
    clinical testing and commercial sales of NOVASTAN(R) in the United States
    and Canada.  In the event Mitsubishi should discontinue the manufacture of
    NOVASTAN(R), Mitsubishi, Genentech and TBC have agreed to discuss in good
    faith the means by which, and the party to whom, NOVASTAN(R) production
    technology will be transferred.  The transferee may be a person or entity
    other than Genentech or TBC.  At present, Mitsubishi is the only
    manufacturer of NOVASTAN(R).  Should Mitsubishi terminate or default in its
    supply commitment, there can be no assurance that alternate sources of bulk
    NOVASTAN(R) will be available to the Company at reasonable cost, if at all.
    If such alternate sources of supply are unavailable or uneconomic, the
    Company's results of operations would be materially and adversely affected.

    In exchange for the license to Genentech's NOVASTAN(R) technology, TBC
    issued Genentech 285,714 shares of Common Stock and agreed to issue (i) an
    additional 214,286 shares of Common Stock to Genentech within 10 days after
    the filing of the first New Drug Application ("NDA") with the FDA for
    NOVASTAN(R), and (ii) an additional 71,429 shares of Common Stock to
    Genentech within 10 days after the FDA's first approval of an NDA for
    NOVASTAN(R).  The Company has also agreed to grant Genentech a warrant to
    purchase an additional 142,858 shares of Common Stock at an exercise price
    of $14.00 per share, subject to adjustment, within ten days of the filing of
    the first NDA  for NOVASTAN(R) with the FDA.  If the Company is unable to
    issue any of the additional shares of Common Stock or the warrant to
    Genentech due to circumstances beyond the Company's control, the Company has
    agreed to pay Genentech, in lieu thereof, an amount equal to the value of
    the securities plus interest from May 27, 1993 at the prime rate plus one
    percent, compounded annually.  The value of the Common Stock is deemed to be
    $7.00 per share, which represents the cash consideration the Company will be
    obligated to pay to Genentech as liquidated damages, and the value of the
    warrants is to be determined by appraisal, based on the warrants' market
    value.  The Company will not be required to make any cash payment if both of
    the filing and approval of the NDA do not occur.  TBC has also granted
    Genentech demand and piggyback registration rights with regard to shares of
    Common Stock issued to Genentech.

    Due to the additional research and development required to commercialize the
    technologies associated with the Sublicense and License Agreement, the
    Company expensed the value associated with the 285,714 shares issued to
    Genentech, charging $1,000,000 to purchase of in-process research and
    development expense in the year ended December 31, 1993.

    In connection with the Genentech Agreement, a consultant involved in
    negotiations related to the Agreement will receive a royalty on net sales of
    licensed products.

(10) CONSOLIDATION OF IMMUNOPHARMACEUTICS, INC.

    The Company has decided to consolidate the IPI operation into TBC's in the
    first half of 1996. The overall financial impact on the Company's
    performance will be positive in 1996 due to expected reduction in general
    and administrative expenses and the elimination of some research and
    development positions associated with IPI.  The Company believes the
    goodwill associated with IPI, $643,750, is impaired due to the decision to
    cease operations at IPI and the sale of the QED business unit and has
    charged it to expense in the year ended December 31, 1995.  The
    restructuring costs associated with the consolidation of the IPI operation
    were approximately $421,000 and have been expensed in the three months ended
    March 31, 1996.  This cost included waste disposal, future lease
    commitments, severance pay and related taxes.

FORM 10-Q                                                                Page 10
<PAGE>
 
(11) COMMITMENTS AND CONTINGENCIES

   a)  Employment Agreements

       Since inception, the Company has entered into employment agreements with
       certain officers and key employees.  One of the officers, Dr. Maggio,
       resigned his position as CEO of IPI effective March 31, 1996.  As of
       March 31, 1996, remaining commitments total approximately $274,000 in
       1996.  These amounts include payments due to three former employees
       pursuant to their severance agreements.  The employment agreements of
       various officers and key employees provide for salary continuation for up
       to twelve months from date of termination upon dismissal by the Company,
       which would approximate $691,000 currently.  In addition to salary, the
       Company has agreed to reimburse certain officers and other employees for
       costs of relocation and temporary travel and living expenses.

       In addition, the Company has signed agreements with five of its officers
       to provide certain benefits in the event of a "change of control" as
       defined in the agreement and the occurrence of certain other events. The
       agreements provide for a lump-sum payment in cash equal to eighteen (18)
       months to three (3) years of annual base salary and annual bonus if any.
       The base salary portion of the agreements would aggregate approximately
       $1.9 million at current rate of compensation. In addition, the agreements
       provide for gross-up for certain taxes on the lump-sum payment,
       continuation of certain insurance and other benefits for periods of
       eighteen (18) months to three (3) years and reimbursement of certain
       legal expenses in conjunction with the agreements. These provisions are
       intended to replace compensation continuation provisions of any other
       agreement in effect for an officer if the specified event occurs.

   b)  Legal Proceedings

       On November 21, 1994, a class action shareholders' suit was filed in the
       United States District Court for the Southern District of Texas, Houston
       Division seeking damages in the amount of $16 million.  Plaintiffs are
       two individuals who purchased shares in the Company on December 16, 1993
       following the Company's initial public offering.  In their complaint,
       plaintiffs have sued the Company and certain members of the board of
       directors and certain officers alleging violations of Sections 11, 12 and
       15 of the Securities Act of 1933.  Plaintiffs have also named David
       Blech, D. Blech & Co., Incorporated and Isaac Blech as defendants. On
       January 23, 1995, the Company and the members of the board of directors
       filed a motion to dismiss the plaintiffs' complaint pursuant to Rule 9(b)
       and Rule 12b(6) of the Federal Rules of Civil Procedure.  In addition,
       defendant John Pietruski filed a motion to dismiss the plaintiffs'
       complaint pursuant to Rule 12(b)(2) of the Federal Rules of Civil
       Procedure.  On February 7, 1995, the plaintiffs filed a motion for class
       certification.  The Court denied the motion by the Company and by John
       Pietruski.

       On March 28, 1995, a class action shareholders' suit was filed in the
       United States District Court for the Southern District of New York
       seeking unspecified damages.  Plaintiffs are eight individuals who
       purchased shares in various companies for which D. Blech & Co. acted as
       an underwriter (or co-underwriter) or marketmaker.  Only one of those
       plaintiffs purchased stock in the Company.  In their complaint, the
       plaintiffs have sued the Company alleging violations of Section 10(b) of
       the Securities Exchange Act of 1934 and Rule 10b-5 promulgated thereunder
       by the Securities and Exchange Commission.  Plaintiffs have named a
       number of defendants, including David Blech and D. Blech & Co., four
       individuals, two brokerage firms, one investment management company and
       ten other companies for which D. Blech & Co. acted as underwriter or
       marketmaker.

       On August 14, 1995, the Judicial Panel on The Multi-District Litigation
       ordered that the action filed in the United States District Court for the
       Southern District of Texas, Houston Division be transferred to the United
       States District Court for the Southern District of New York for
       coordinated or consolidated pretrial proceedings with the action pending
       there.   In light of the transfer and consolidation of the

       

FORM 10-Q                                                                Page 11
<PAGE>
 
       Texas case with similar cases against other companies for which Blech
       acted as underwriter, the Company requested that the Court in New York
       reconsider the Texas Court's denial of its Motion to Dismiss as a part of
       the Court's consideration of similar Motions to Dismiss filed by those
       companies. All of these Motions were presented to the Court on February
       6, 1996, but no ruling has yet been made. Given the early stage of this
       case, the Company is unable to evaluate the potential outcome at this
       time. The Company disputes these claims and intends to contest them
       vigorously.

       On June 7, 1995, a class action shareholders' suit was filed in the
       United States District Court for the Southern District of New York
       seeking unspecified damages.  The plaintiff is an individual who
       purchased shares in the Company on December 15, 1993 following the
       Company's initial public offering.  In his complaint, the plaintiff has
       sued the Company and certain members of the board of directors and
       certain officers alleging violations of Sections 11, 12 and 15 of the
       Securities Act of 1933, Sections 10(b) and 20 of the Securities Exchange
       Act of 1934 and Rule 10b-5 promulgated thereunder by the Securities and
       Exchange Commission.  Plaintiffs have also named David Blech, D. Blech &
       Co., and a certain broker-dealer as defendants.  On September 15, 1995,
       the Company and the members of the board of directors filed a motion to
       dismiss the Complaint pursuant to Rule 12(b)(6) and Rule 9(b) of the
       Federal Rules of Civil Procedure Act.  On November 8, 1995 the plaintiff
       filed a stipulation for voluntary dismissal.  An order of dismissal was
       entered by the judge on February 5, 1996.

FORM 10-Q                                                                Page 12
<PAGE>
 
   ITEM 2.
   -------

                 TEXAS BIOTECHNOLOGY CORPORATION AND SUBSIDIARY

                        (A DEVELOPMENT STAGE ENTERPRISE)

          MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION
                           AND RESULTS OF OPERATIONS

                MARCH 31, 1996 (UNAUDITED) AND DECEMBER 31, 1995



                                    OVERVIEW
                                    --------
                                        
   Since its inception in 1989, the Company has primarily devoted its resources
   to fund research, drug discovery and development.  The Company has been
   unprofitable to date and expects to incur substantial losses for the next
   several years as the Company invests in product research and development,
   preclinical and clinical testing and regulatory compliance.  The Company has
   sustained net losses of approximately $48.7 million from inception to March
   31, 1996.  The Company has primarily financed its operations to date through
   private placements of common stock and debt, which have raised an aggregate
   of $21.3 million in net proceeds, an initial public offering ("IPO") of a
   Unit security which raised an aggregate of $24.2 million in net proceeds
   including the over-allotment sold in January 1994 and a private placement of
   common stock on February 13, 1996, which raised $13.0 million in net
   proceeds.  on July 25, 1994, the company acquired all of the outstanding
   stock of ImmunoPharmaceutics, inc. (IPI) in exchange for common stock of the
   Company.  IPI's results of operations have been included in the consolidated
   results of operations beginning August 1, 1994.  The Company signed a
   collaborative agreement with Synthelabo, a French pharmaceutical group on
   October 11, 1994.  Upon consummation of the transaction, Synthelabo purchased
   1,428,571 shares of common stock for a total of $5 million and paid a
   licensing fee of $3 million.  In addition, Synthelabo has committed to pay $3
   million annually in research payments (payable in quarterly installments) for
   three years.  Subsequent to December 31, 1995, TBC signed an agreement with
   Synthelabo to provide to them copies of certain clinical data.  TBC received
   $500,000 at the execution of the agreement.  Over the life of the agreement
   TBC may receive as much as $2.5 million, including the $500,000 received,
   from Synthelabo. The Company's operating results have fluctuated
   significantly during each quarter, and the company anticipates that such
   fluctuations, largely attributable to varying research and development
   commitments and expenditures, will continue for the next several years.

                             RESULTS OF OPERATIONS
                             ---------------------

               THREE MONTH PERIODS ENDED MARCH 31, 1996 AND 1995

   Revenues increased from $1,333,707 in the three month period ended March 31,
   1995 to $1,917,302 in the same period of 1996, an increase of 44%.  Revenues
   were composed of earned revenues under research agreements, sales of products
   and services, and grant income.  revenue from research agreements increased
   due to a payment from Synthelabo of $500,000 which was related to the signing
   of an agreement to supply them with certain clinical data.

   Total operating expenses increased 73% from $4,066,239 in the three month
   period ended March 31, 1995 to $7,014,273 in the same period of 1996.
   Research and development expenses increased 93% from $2,842,395 in the three
   month period ended March 31, 1995 to $5,480,616 in the same period of 1996.
   This increase was primarily attributable to the inclusion of IPI costs
   beginning august 1994 and continued increases in research and development
   activity related to the clinical trials on the compound NOVASTAN(R)
   (argatroban). General and administrative expenses decreased 9% from
   $1,223,844 in the three month

FORM 10-Q                                                                Page 13
<PAGE>
 
   period ended March 31, 1995 to $1,112,492 in the same period of 1996. The
   decrease was primarily attributable to the elimination of the QED operation
   in October 1995. The Company had 97 employees at March 31, 1995, including 34
   employees at IPI, and 80 employees at March 31, 1996, including 2 employees
   at IPI.

   Other income and expenses was composed entirely of investment income on
   invested funds and interest expense.  Investment income decreased from
   $351,895 in the three month period ended March 31, 1995 to $245,888 in the
   same period of 1996, a decrease of 30%.  The decrease is due to lower
   interest rates from 1995 to 1996 and a lower investment balance throughout
   1996.

   The Company incurred a net loss of $2,380,637 for the three month period
   ended March 31, 1995, compared with a net loss of $4,851,083 for the same
   period of 1996.

                        LIQUIDITY AND CAPITAL RESOURCES
                        -------------------------------

   The Company has financed its research and development activities to date
   principally through (i) private sales of common stock and an initial public
   offering of a unit security, (ii) issuance of common stock in conjunction
   with assumption of liabilities and assets to acquire IPI and the NOVASTAN(R)
   license , (iii) revenues from research agreements and  sales of products and
   services and (iv) investment income, net of interest expense.

   The Company expects to incur substantial research and development
   expenditures as it designs and develops biopharmaceutical products for the
   prevention and treatment of cardiovascular diseases.  The Company anticipates
   that operating expenses will continue to increase during 1996 and subsequent
   years.  The Company began to incur costs to develop NOVASTAN(R) during the
   third quarter of 1993.  These costs will continue to increase during 1996 due
   to the continuation of clinical trials and will continue to be significant
   through the FDA approval process.  These costs will include, among other
   things, hiring personnel to direct and carry out all operations related to
   the clinical trials, paying for hospital and procedural costs, services of a
   contract research organization, and purchasing and formulating large
   quantities of the compound to be used in such trials.  In addition, the
   Company anticipates that the administrative costs associated with this effort
   will be significant.  The amounts and timing of expenditures will depend on
   the progress of ongoing research and clinical development and product launch
   costs.

   At March 31, 1996 and March 31, 1995, the Company had cash, cash equivalents
   and short-term investments of approximately $22 million and $22 million,
   respectively.  The Company anticipates that its existing capital resources
   should be sufficient to fund its cash requirements into the third quarter of
   1997.  However, the Company's existing capital resources will not be
   sufficient to fund the Company's operations through commercialization of its
   first product.  Moreover, the Genentech and Synthelabo Agreements require the
   Company to maintain a tangible net worth of at least $5.0 million during the
   term of the agreements.  If the Company fails to maintain the prescribed net
   worth or fails to exercise due diligence in performing its obligations under
   the Genentech Agreement, Genentech may, at its option, terminate the
   Genentech Agreement or cause the license to become non-exclusive.  For
   failure to maintain at least $5.0 million of net worth, Synthelabo may
   require that the technology be transferred to, and the development program be
   conducted by, a joint venture owned by TBC and Synthelabo.

   The Company will need to raise substantial funds for future operations and is
   actively seeking such funding through collaborative arrangements, public or
   private financing, including equity financing, and other arrangements.  The
   Company expects that additional expenditures will be required if additional
   product candidates enter clinical trials which may require additional
   expenditures for laboratory space, scientific and administrative personnel,
   and services of contract research organizations.  There can be no assurance
   that the Company will be able to obtain additional financing on acceptable
   terms or in time to fund any necessary or desirable expenditures.  In the
   event such financing are not obtained, the Company's development and research
   projects will be delayed or scaled back.

                               

FORM 10-Q                                                                Page 14
<PAGE>
 
                              PENDING LITIGATION

   As of March 31, 1996, three class action shareholder lawsuits have been filed
   against the Company, two of which include certain directors and officers as
   defendants.  The Company disputes all claims set forth in these lawsuits and
   intends to contest them vigorously.  However, the Company is unable to
   evaluate the potential outcome at this time.

                 HAZARDOUS MATERIALS AND ENVIRONMENTAL MATTERS

   The Company's research and development activities involve the controlled use
   of hazardous and radioactive materials.  The Company is subject to federal,
   state, and local laws and regulations governing the use, manufacture,
   storage, handling and disposal of such materials and certain waste products.
   Management believes that the Company is in compliance with all such laws,
   regulations and standards currently in effect and that the cost of compliance
   with such laws, regulation, and standards will not have a material adverse
   effect on the Company.  The Company does not expect to incur any capital
   expenditures for environmental control in the foreseeable future.

                    IMPACT OF INFLATION AND CHANGING PRICES

   The pharmaceutical research industry is labor intensive, and wages and
   related expenses increase in inflationary periods.  The lease of space and
   related building services for the Houston facility contains a clause that
   escalates rent and related services each year based on the increase in
   building operating costs and the increase in the Houston Consumer Price
   Index, respectively.  To date, inflation has not had a significant impact on
   operations.

                DISCLOSURE REGARDING FORWARD LOOKING STATEMENTS

   This Report includes "forward looking statements" within the meaning of
   Section 27A of the Securities Act of 1933, as amended, and Section 21E of the
   Securities Exchange Act of 1934, as amended. All statements other than
   statements of historical fact included in this Report are forward looking
   statements. Such forward looking statements include, without limitation,
   statements under (a) "Organization and Significant Accounting Policies --
   Organization" regarding TBC's expectations for future drug discovery and
   development and related expenditures and (b) "Management's Discussion and
   Analysis of Financial Condition and Results of Operations - Liquidity and
   Capital Resources" - regarding TBC's estimate of sufficiency of existing
   capital resources and ability to raise additional capital to fund cash
   requirements for future operations. Although TBC believes that the
   expectations reflected in such forward looking statements are reasonable, it
   can give no assurance that such expectations reflected in such forward
   looking statements will prove to have been correct. The ability to achieve
   TBC's expectations is contingent upon a number of factors which include (i)
   ongoing cost of research and development activities, (ii) cost of clinical
   development of product candidates, (iii) attainment of research and clinical
   goals of product candidates, (iv) timely approval of TBC's product candidates
   by appropriate governmental and regulatory agencies, (v) effect of any
   current or future competitive products, (vi) ability to manufacture and
   market products commercially, (vii) retention of key personnel and (viii)
   obtaining and timing of sufficient financing through capital raising or
   collaborative agreements to fund operations.


FORM 10-Q                                                                Page 15
<PAGE>
 
PART II OTHER INFORMATION
- -------------------------

ITEM 1.  LEGAL PROCEEDINGS
- --------------------------

   On November 21, 1994, a class action shareholders' suit was filed in the
   United States District Court for the Southern District Of Texas, Houston
   Division seeking damages in the amount of $16 million.  Plaintiffs are two
   individuals who purchased shares in the Company on December 16, 1993
   following the Company's initial public offering.  In their complaint,
   plaintiffs have sued the company and certain members of the board of
   directors and certain officers alleging violations of sections 11, 12 and 15
   of the Securities Act of 1933.  Plaintiffs have also named David Blech, D.
   Blech & Co., Incorporated and Isaac Blech as defendants. on January 23, 1995,
   the Company and the members of the board of directors filed a motion to
   dismiss the plaintiffs' complaint pursuant to Rule 9(b) and Rule 12b(6) of
   the Federal Rules of Civil Procedure.  In addition, defendant John Pietruski
   filed a motion to dismiss the plaintiffs' complaint pursuant to rule 12(b)(2)
   of the Federal Rules of Civil Procedure.  On February 7, 1995, the plaintiffs
   filed a motion for class certification.  The Court denied the motion by the
   Company and by John Pietruski.

   On March 28, 1995, a class action shareholders' suit was filed in the United
   States District Court for the Southern District of New York seeking
   unspecified damages.  Plaintiffs are eight individuals who purchased shares
   in various companies for which D. Blech & Co. acted as an underwriter (or co-
   underwriter) or marketmaker.  Only one of those plaintiffs purchased stock in
   the Company.  In their complaint, the plaintiffs have sued the Company
   alleging violations of section 10(b) of the Securities Exchange Act of 1934
   and Rule 10b-5 promulgated thereunder by the Securities and Exchange
   Commission.  Plaintiffs have named a number of defendants, including David
   Blech and D. Blech & Co., four individuals, two brokerage firms, one
   investment management company and ten other companies for which D. Blech &
   Co. acted as underwriter or marketmaker.

   On August 14, 1995, the Judicial Panel on The Multi-District Litigation
   ordered that the action filed in the United States District Court for the
   Southern District of Texas, Houston Division be transferred to the United
   States District Court for the Southern District of New York for coordinated
   or consolidated pretrial proceedings with the action pending there.   In
   light of the transfer and consolidation of the Texas case with similar cases
   against other companies for which Blech acted as underwriter, the Company
   requested that the Court in New York reconsider the Texas Court's denial of
   its Motion to Dismiss as a part of the Court's consideration of similar
   Motions to Dismiss filed by those companies.  All of these Motions were
   presented to the Court on February 6, 1996, but no ruling has yet been made.
   Given the early stage of this case, the Company is unable to evaluate the
   potential outcome at this time. The Company disputes these claims and intends
   to contest them vigorously.

   On June 7, 1995, a class action shareholders' suit was filed in the United
   States District Court for the Southern District of New York seeking
   unspecified damages.  The plaintiff is an individual who purchased shares in
   the Company on December 15, 1993 following the Company's initial public
   offering.  In his complaint, the plaintiff has sued the Company and certain
   members of the board of directors and certain officers alleging violations of
   sections 11, 12 and 15 of the Securities Act of 1933, Sections 10(b) and 20
   of the Securities Exchange Act of 1934 and Rule 10b-5 promulgated thereunder
   by the Securities and Exchange Commission.  Plaintiffs have also named David
   Blech, D. Blech & Co., and a certain broker-dealer as defendants.  On
   September 15, 1995, the Company and the members of the board of directors
   filed a motion to dismiss the Complaint pursuant to Rule 12(b)(6) and Rule
   9(b) of the Federal Rules of Civil Procedure Act.  On November 8, 1995 the
   plaintiff filed a stipulation for voluntary dismissal.  An order of dismissal
   was entered by the judge on February 5, 1996.

ITEM 2.  CHANGES IN SECURITIES
- ------------------------------
   None

ITEM 3.  DEFAULTS UPON SENIOR SECURITIES
- ----------------------------------------
   None

FORM 10-Q                                                                Page 16
<PAGE>
 
ITEM 4. SUBMISSIONS OF MATTERS TO A VOTE OF SECURITY HOLDERS
- ------------------------------------------------------------
   None

ITEM 5.  OTHER INFORMATION
- --------------------------

   None

ITEM 6.  EXHIBITS AND REPORTS ON FORM 8-K
- -----------------------------------------

  EXHIBIT NO.  DESCRIPTION
  -----------  -----------

     10.51 *   Letter Agreement regarding Argatroban Studies Information
               dated December 14, 1995, between the Company and Synthelabo
               Recherche

     10.52     Amendment B to Clinical Trial Research Agreement dated
               February 10, 1995 between Texas Biotechnology Corporation
               and Coromed Inc.

     27.1      Financial Data Schedule 
- ------------
*    The Company has omitted certain portions of this agreement in reliance on
     Rule 24b-2 under the Securities and Exchange Act of 1934, as amended.

  REPORTS ON FORM 8-K
  --------------------

   One report on Form 8-k was filed during the quarter ended March 31, 1996.
   The report was dated February 13, 1996 and filed February 22, 1996, and
   announced the Company's private placement of common stock.  The report is
   incorporated herein by reference.

FORM 10-Q                                                                Page 17
<PAGE>
 
                        TEXAS BIOTECHNOLOGY CORPORATION

                                 MARCH 31, 1996

                                   SIGNATURES



Pursuant to the requirements of the Securities and Exchange Act of 1934, the
registrant has duly caused this report to be signed on its behalf by the
undersigned thereunto duly authorized, on the 10th day of May, 1996.



                                     TEXAS BIOTECHNOLOGY CORPORATION


                                     By: /S/ DAVID B. McWILLIAMS
                                         ------------------------
                                         David B. McWilliams
                                         President and Chief Executive Officer



                                      By: /S/ STEPHEN L. MUELLER
                                          -----------------------
                                          Stephen L. Mueller
                                          Vice President of Administration
                                          Secretary and Treasurer
                                          (Principal Financial and Accounting
                                          Officer)

FORM 10-Q                                                                Page 18
<PAGE>
 
                               INDEX TO EXHIBITS


    Exhibit No.         Description of Exhibit            Page No.
    -----------         ----------------------            --------

     10.51 *    Letter Agreement regarding Argatroban Studies Information
                dated December 14, 1995, between the Company and Synthelabo
                Recherche

     10.52      Amendment B to Clinical Trial Research Agreement dated
                February 10, 1995 between Texas Biotechnology Corporation
                and Coromed Inc.

     27.1       Financial Data Schedule

 
- -----------
*    The Company has omitted certain portions of this agreement in reliance on
Rule 24b-2 under the Securities and Exchange Act of 1934, as amended.


FORM 10-Q                                                                Page 19

<PAGE>
 
                                                                   EXHIBIT 10.51

               [LETTERHEAD OF SYNTHELABO RECHERHE APPEARS HERE]


                                                    Le Plessis-Robinson,
                                                    December 14, 1995

TEXAS BIOTECHNOLOGY CORPORATION
7000 Fannin
Suite 1920
Houston, Texas 77030
(U.S.A.)

Re: Supply of Information regarding Argatroban Studies

Dear Sirs,

This letter will set forth our mutual agreement with respect to future supply of
information to Synthelabo relating to certain clinical studies on Argatroban 
being conducted by Texas Biotechnology Corporation (TBC) on request of 
Synthelabo Recherche (S.R.), a wholly owned subsidiary of Synthelabo, to whom 
was entrusted the development of Argatroban by Synthelabo's licensees, i.e. 
Synthelabo Groupe and Laboratories Synthelabo:

1. CLINICAL TRIAL DATA. Subject to the terms hereof, TBC agrees to provide 
copies of S.R. of clinical trial data defined as data base plus interim and 
final reports, relating to TBC's clinical trials known as ARG-911, ARG-107 and 
ARG-106 (the "TBC Clinical Data"). Specifically, on or before September 30, 
1996, TBC will use its commercially reasonable best efforts to provide to S.R. 
the TBC Clinical Data with respect to ARG-911 on a maximum of three hundred 
(300) patients enrolled in TBC's clinical trials being conducted in the United 
States. This data will be delivered to S.R. in an initial group of thirty-two 
(32) patients to be delivered on or before January 31, 1996 along with a report 
on interim safety data, and thereafter, will be provided in twenty-five (25) 
patients lots. In addition, TBC will use its commercially reasonable best 
efforts to provide to S.R. the TBC Clinical Data relating to its ARG-107 and 
ARG-106 trials on or before December 31, 1996. The parties agree that TBC cannot
at this time specify the amount of data or the number of patient to be included 
in the TBC Clinical Data. The TBC Clinical Data supplied to S.R. hereunder shall
be delivered in a format which will be acceptable for registration with European
regulatory authorities by S.R. pursuant to a format which will be agreed upon by
the parties before the delivery of any such TBC Clinical Data. TBC undertakes to
have carried out or to authorize S.R. to have carried out audits of the 
invstigators premises. Reports of such audits shall be transmitted to S.R. and 
TBC undertakes to take all appropriate eventual corrective actions as proposed 
in the audit reports.

                                       1
<PAGE>
 

2. PAYMENT. S.R. will pay to TBC (i) USD five hundred thousand ($500,000) on the
   execution of this Agreement; USD *                upon the delivery of the
   TBC Clinical Data relating to both ARG-107 and ARG-106 referenced above;
   (iii) *                per patient for each patient study delivered by TBC
   to S.R. relating to TBC's ARG-911 trial, and (iv) USD *                 for
   the final report of ARG-911 plus USD *                    for each patient
   included in the final report, and provided further that S.R. will not be 
   obligated to pay more than USD two million and five hundred thousand 
   ($2,500,000) in the aggregate to TBC pursuant to the terms of this Agreement.
   Payments for patient data under subparagraph (iii) above will be made within 
   (5) business days of delivery of such data; and such data will be delivered 
   in blocks of at least twenty-five (25) patients.

3. USE OF DATA. S.R. agrees that such data shall be the exclusive property of 
   TBC. S.R. shall keep all such data confidential and not disclose such
   data to third parties, without the prior consent of TBC, which consent will
   not be unreasonably withheld or delayed. However, S.R. may disclose, to 
   the extent reasonably required, any such information to their respective
   subsidiaries and affiliates, and to Mitsubishi Chemical Corporation 
   ("Mitsubishi"), outside testing organizations and governmental authorities
   to the extent reasonably necessary to obtain governmental registration and
   marketing approval.

   In addition, each party agrees that the data shall only be used by such party
   and/or their respective subsidiaries and affiliates in their respective
   licensed territory (meaning those territories covered by the license
   received by Synthelabo from Mitsubishi and the sublicense received by TBC 
   from Genentech).

4. PUBLICATION AND PRESENTATIONS. The TBC Clinical Data shall remain the
   property of TBC. Publications of any data provided hereunder is permissible
   provided that S.R. will give TBC notice of any such publications and a right
   to comment on such publication as may be reasonably appropriate. Authorship
   may be determined by mutual agreement. S.R. shall not use TBC's name without
   the prior written permission of TBC before the use of such name in connection
   with any of the data or information supplied hereunder.

5. WARRANTIES. TBC does not make any representations and warranties to S.R. with
   respect to the validity, safety, efficacy, or other properties of Argatroban
   or the results of the clinical trials delivered hereby. However, TBC warrants
   that the TBC clinical trials will be conducted and that the clinical record
   forms "CFR" will be collected according to United States Good Clinical 
   Practice. TBC is delivering said data free of any representations, warranties
   or other covenants related thereto except as set forth herein.
- ----------------
*  This information has been omitted in reliance on Rule 24b-2 under the
   Securities Exchange Act of 1934 and has been filed separately with the 
   Securities and Exchange Commission.

                                       2
<PAGE>
 

6. MISCELLANEOUS. This Agreement shall be interpreted, construed and enforced 
   under the laws of the state of Delaware. This Agreement supersedes all prior
   or contemporaneous written or oral agreements relating to the subject matter
   hereof, and may be amended only by written instrument executed by the parties
   hereto.

If the above reflects your understanding, please execute a duplicate original 
and return one to the undersigned.

                                 SYNTHELABO RECHERCHE



                                        /s/ Mr. H. Guerin
                                 ------------------------------
                                 By:    Mr. H. Guerin
                                 Title: President


                                                          Mr. P. Dupin

                                                               /s/ P. Dupin
                                                          ----------------------
                                                          Corporate Controller
 
ACCEPTED AND AGREED TO BY:

TEXAS BIOTECHNOLOGY CORPORATION

By:    /s/  Joseph M. Welch    /s/ DBM
       ---------------------------------------
Title: Vice President, Business Development

                                       3

<PAGE>
 
                                                                 Exhibit 10.52

Texas Biotechnology Corporation/Coromed, Inc.
A Randomized, Double-Blind, Study of 2 Doses of Novastan
vs. Placebo as Adjunctive Therapy to Streptokinase in 
Acute M.I. (Protocol ARG-230)
Contract No. TBCCL-02105



                                  AMENDMENT B

This Amendment B to existing Contract No. TBCCL-02105 between Texas 
Biotechnology Corporation (TBC) and Coromed, Inc. (COROMED) provides for 
increasing the number of patients in the study by 330 to a total of 1080 (900 
clinical outcome patients and 180 angiography patients).  Additional costs are 
as put forth in Section I, of this Amendment B.  The changes to the existing 
contract will be as follows:

  A.  The term for completion of the study will increase by 5 months from 19 
      months as stated in the current Contract to 24 months under this Amendment
      B.

  B.  One-half of Investigator incentive payments will be paid by Coromed from 
      any bonus payments earned by Coromed.  If such payments are not earned by 
      Coromed, TBC assumes full responsibility for investigator incentive
      payments.

  C.  The additional 330 patients (patients 751-1080) will be invoiced monthly 
      in the amount of $3,636.86 per patient to a maximum total aggregate of
      1080 patients and $1,200,164 regardless of the actual number of patients
      required to produce an additional 330 evaluable (intention to treat)
      patients. TBC will be billed monthly for the number of patients enrolled
      in that month.

  D.  The term for completion of the Trial will be 24 months.  For each month 
      (to a maximum of 6 months) under the 24 month term that COROMED reduces
      the term of the Trial by decreasing the amount of time required to
      initiate the study, enroll the 1080 patients required or close out and
      report the study, TBC will provide COROMED a bonus equal to $54,501 to a
      maximum amount of $327,008. The bonus will be due and payable upon receipt
      by TBC of the draft clinical/statistical report which incorporates data
      from all patients enrolled in the study.

                                       1


<PAGE>
 
Texas Biotechnology Corporation/Coromed, Inc.
A Randomized, Double-Blind, Study of 2 Doses of Novastan
vs. Placebo as Adjunctive Therapy to Streptokinase in 
Acute M.I. (Protocol ARG-230)
Contract No. TBCCL-02105


                             AMENDMENT B, CONT'D.

All other tenets of Contract No. TBCCL-02105 remain in full force and effect.

FOR COROMED, INC.:

BY: /s/ THOMAS J. MASSEY
    ------------------------------
        (Thomas J. Massey)

TITLE:  SENIOR VICE PRESIDENT,
        ----------------------
        DRUG DEVELOPMENT
        ----------------------

DATE:   APRIL 25, 1996
        ----------------------

FOR TEXAS BIOTECHNOLOGY CORPORATION:

BY: /s/ R.P. SCHWARZ JR.                         BY:  /s/ STEPHEN L. MUELLER
    --------------------------------                  --------------------------
    (               )                                 (Stephen L. Mueller)

TITLE: VP, CLIP AND REG AFFAIRS                  TITLE: V.P., ADMINISTRATION
       -----------------------------                   -------------------------
                                                        SECRETARY AND TREASURER
       -----------------------------                   -------------------------

DATE:  4/26/96                                    DATE:  MAY 1, 1996
       -----------------------------                     -----------------------

                                                  By:    /s/ DAVID B. MCWILLIAMS
                                                         -----------------------
                                                         (David B. McWilliams)
                         
                                                  Title: President and CEO
                                                         -----------------------
                                                  
                                                  Date:  May 1, 1996
                                                         -----------------------
                                       2
<PAGE>
 
TEXAS BIOTECHNOLOGY CORPORATION/COROMED,INC.
NOVASTAN ACUTE MYOCARDIAL INFARCTION STUDY
PROTOCOL NO. ARG-230
CONTRACT NO. TBCCL-02105
PAGE B-2


                             AMENDMENT B, CONT'D.

<TABLE> 
<S>                                             <C>                       <C>                     <C> 
I. COST ESTIMATES


                                                                           ADDITIONAL COSTS         
                                                 CURRENT BUDGET
                                                  760 PATIENTS              1080 PATIENTS
                                                 (650 NON-ANGIO)         (900 CLINICAL OUTCOME)     TOTALS
                                                    (90 ANGIO)              (180 ANGIOGRAPHY) 

A. PERSONNEL
     Project Management                              $123,500                    $33,000             $156,500
     Monitoring                                      $940,500                   $250,000           $1,190,500
     Clerical/Administrative Support                  $56,750                    $16,125              $72,875
     Medical Support                                  $93,750                    $40,000             $133,750
     Data Management                                 $514,550                   $214,819             $729,369

B.  TRAVEL                                           $336,000                   $120,000             $456,000

C.  INVESTIGATOR MEETING                             $157,900                         $0             $157,900

D.  CLINICAL GRANTS                                  $885,000                   $507,000           $1,392,000

E.  STATISTICAL SERVICES                              $56,235                    $13,860              $70,095

F. MEDICAL WRITING SERVICES                           $14,550                         $0              $14,550

G.  OTHER COSTS     
      Grants Administration                           $16,875                     $5,360              $22,235

TOTALS                                             $3,195,610                 $1,200,164           $4,395,774 

</TABLE> 

NOTE:  Incentive payments will be invoiced as a direct pass through cost to TBC.
 An administrative fee for processing of payments will be included as a line 
 item on each invoice sent to TBC for payments.


<TABLE> <S> <C>

<PAGE>
 
<ARTICLE> 5
       
<S>                             <C>
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-START>                             JAN-01-1996
<PERIOD-END>                               MAR-31-1996
<CASH>                                       8,521,430
<SECURITIES>                                13,568,320
<RECEIVABLES>                                  122,500
<ALLOWANCES>                                         0
<INVENTORY>                                          0
<CURRENT-ASSETS>                            23,244,261
<PP&E>                                       7,565,092
<DEPRECIATION>                               3,931,622
<TOTAL-ASSETS>                              26,878,231
<CURRENT-LIABILITIES>                        2,985,607
<BONDS>                                              0
                                0
                                          0
<COMMON>                                       120,009
<OTHER-SE>                                  23,772,615
<TOTAL-LIABILITY-AND-EQUITY>                26,878,231
<SALES>                                              0
<TOTAL-REVENUES>                             1,917,302
<CGS>                                                0
<TOTAL-COSTS>                                        0
<OTHER-EXPENSES>                             5,901,781
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                            (4,851,083)
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                        (4,851,083)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                               (4,851,083)
<EPS-PRIMARY>                                    (.24)
<EPS-DILUTED>                                        0
        

</TABLE>


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