CORVAS INTERNATIONAL INC
SC 13G, 1998-04-10
PHARMACEUTICAL PREPARATIONS
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                          SECURITIES AND EXCHANGE COMMISSION
                                WASHINGTON, DC  20549


                                     SCHEDULE 13G
                                    (RULE 13d-102)


               INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT
             TO RULES 13D-1(b), (c) AND (d) AND AMENDMENTS THERETO FILED
                                  PURSUANT TO 13d-2
                                (AMENDMENT NO. __)(1)


                              CORVAS INTERNATIONAL, INC.
                              --------------------------
                                   (Name of Issuer)

                                     COMMON STOCK
                            ------------------------------
                            (Title of Class of Securities)

                                     22100 5 101
                                    --------------
                                    (CUSIP Number)

                                    APRIL 8, 1998
               -------------------------------------------------------
               (Date of Event Which Requires Filing of this Statement)


Check the appropriate box to designate the rule pursuant to which this Schedule
is filed:

                        / /  Rule 13d-1(b)
                        /x/  Rule 13d-1(c)
                        / /  Rule 13d-1(d)

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

(1)   The remainder of this cover page  shall  be  filled  out  for a reporting
person's  initial  filing on this  form with  respect to the  subject  class of
securities,  and for any  subsequent  amendment  containing  information  which
would alter the disclosures provided in a prior page.

      The information  required in the  remainder of this  cover page shall 
not be deemed to be "filed"  for the purpose of  Section 18 of the Securities 
Exchange Act of 1934 or otherwise subject to the liabilities of that section 
of  the Act but shall be subject to all other  provisions  of  the Act  
(however, SEE the NOTES).

<PAGE>

- -------------------------------------------------------------------------------
CUSIP NO.   22100 5 101                13G                   Page 2 of 7 Pages
- -------------------------------------------------------------------------------

- -------------------------------------------------------------------------------
  1    NAME OF REPORTING PERSON:
            BIOTECHNOLOGY VALUE FUND, L.P.
      I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (ENTITIES ONLY):

- -------------------------------------------------------------------------------
  2    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                            (a) /X/    (b) / / 
- -------------------------------------------------------------------------------
  3    SEC USE ONLY
- -------------------------------------------------------------------------------
  4    CITIZENSHIP OR PLACE OF ORGANIZATION
            DELAWARE
- -------------------------------------------------------------------------------
      NUMBER        5  SOLE VOTING POWER
        OF                  0
      SHARES        -----------------------------------------------------------
    BENEFICIALLY    6  SHARED VOTING POWER
   OWNED BY EACH         934,606
     REPORTING      -----------------------------------------------------------
      PERSON        7  SOLE DISPOSITIVE POWER
       WITH                 0
                    -----------------------------------------------------------
                    8  SHARED DISPOSITIVE POWER
                            934,606
- -------------------------------------------------------------------------------
  9    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

            934,606
- -------------------------------------------------------------------------------
  10   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES
       CERTAIN SHARES*                                                      / /

- -------------------------------------------------------------------------------
  11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
            6.7%
- -------------------------------------------------------------------------------
  12   TYPE OF REPORTING PERSON*
            PN
- -------------------------------------------------------------------------------

                        * SEE INSTRUCTIONS BEFORE FILLING OUT!


<PAGE>
- -------------------------------------------------------------------------------
CUSIP NO.   22100 5 101                13G                   Page 3 of 7 Pages
- -------------------------------------------------------------------------------

- -------------------------------------------------------------------------------
  1   NAME OF REPORTING PERSON:
           BVF PARTNERS L.P.
      I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (ENTITIES ONLY):

- -------------------------------------------------------------------------------
  2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                              (a) /X/   (b) / /
- -------------------------------------------------------------------------------
  3   SEC USE ONLY
- -------------------------------------------------------------------------------
  4   CITIZENSHIP OR PLACE OF ORGANIZATION
           DELAWARE
- -------------------------------------------------------------------------------
      NUMBER       5   SOLE VOTING POWER
        OF                  0
      SHARES       -----------------------------------------------------------
   BENEFICIALLY    6   SHARED VOTING POWER
  OWNED BY EACH          1,928,143
     REPORTING     -----------------------------------------------------------
      PERSON       7   SOLE DISPOSITIVE POWER
       WITH                 0
                   -----------------------------------------------------------
                   8   SHARED DISPOSITIVE POWER
                            1,928,143
- -------------------------------------------------------------------------------
  9   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
           1,928,143
- -------------------------------------------------------------------------------
  10  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES
      CERTAIN SHARES*                                                          
- -------------------------------------------------------------------------------
  11  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
           13.8%                                                            / /
- -------------------------------------------------------------------------------
  12  TYPE OF REPORTING PERSON*
           PN
- -------------------------------------------------------------------------------
                        * SEE INSTRUCTIONS BEFORE FILLING OUT!



<PAGE>
- -------------------------------------------------------------------------------
CUSIP NO.   22100 5 101                13G                   Page 4 of 7 Pages
- -------------------------------------------------------------------------------

  1   NAME OF REPORTING PERSONS
           BVF INC.
      I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)

- -------------------------------------------------------------------------------
  2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                              (a) /X/   (b) / /
- -------------------------------------------------------------------------------
  3   SEC USE ONLY
- -------------------------------------------------------------------------------
  4   CITIZENSHIP OR PLACE OF ORGANIZATION
           DELAWARE
- -------------------------------------------------------------------------------
      NUMBER       5   SOLE VOTING POWER
        OF                  0
      SHARES       -----------------------------------------------------------
   BENEFICIALLY    6   SHARED VOTING POWER
  OWNED BY EACH          1,928,143
    REPORTING      -----------------------------------------------------------
      PERSON       7   SOLE DISPOSITIVE POWER
       WITH                 0
                   -----------------------------------------------------------
                   8   SHARED DISPOSITIVE POWER
                            1,928,143
- -------------------------------------------------------------------------------
  9   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
           1,928,143
- -------------------------------------------------------------------------------
  10  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES
      CERTAIN SHARES*                                                       / /
- -------------------------------------------------------------------------------
  11  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
           13.8%
- -------------------------------------------------------------------------------
  12  TYPE OF REPORTING PERSON*
           IA, CO
- -------------------------------------------------------------------------------
                        * SEE INSTRUCTIONS BEFORE FILLING OUT!



<PAGE>
- -------------------------------------------------------------------------------
CUSIP NO.   22100 5 101                13G                   Page 5 of 7 Pages
- -------------------------------------------------------------------------------

ITEM 1(a).  NAME OF ISSUER:

            Corvas International, Inc. ("Corvas")

ITEM 1(b).  ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES:

            3030 Science Park Road
            San Diego, CA  92121

ITEM 2(a).  NAME OF PERSON FILING:

          This schedule is being filed on behalf of the following persons*:

          (i)       Biotechnology Value Fund, L.P. ("BVF")
          (ii)      BVF Partners, L.P.  ("Partners")
          (iii)     BVF Inc. ("BVF Inc.")

          *         Attached as Exhibit A is a copy of an agreement between the
                    Persons filing (as specified hereinabove) that this Schedule
                    13G is being filed on behalf of each of them.

ITEM 2(b).  ADDRESS OF PRINCIPAL BUSINESS OFFICE:

          The principal business office of the persons comprising the group
filing this Schedule 13G is located at 333 West Wacker Drive, Suite 1600,
Chicago, Illinois  60606.

ITEM 2(c).  CITIZENSHIP:
          
          BVF:                     a Delaware limited partnership
          Partners:                a Delaware limited partnership
          BVF Inc.:                a Delaware corporation

ITEM 2(d).  TITLE OF CLASS OF SECURITIES:

          The class of securities beneficially owned by the persons filing this
statement is common stock.

ITEM 2(e).  CUSIP NUMBER:

          22100 5 101

ITEM 3.   IF THIS STATEMENT IS FILED PURSUANT TO RULE 13d-1(c), CHECK THIS BOX:
           /X/


<PAGE>
- -------------------------------------------------------------------------------
CUSIP NO.   22100 5 101                13G                   Page 6 of 7 Pages
- -------------------------------------------------------------------------------

ITEM 4.   OWNERSHIP:

          The information in items 1 and 5 through 11 on the cover pages 
(pp.2 -4) on Schedule 13G is hereby incorporated by reference.

ITEM 5.   OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS:

          If this statement is being filed to report the fact that as of the 
date hereof the reporting person has ceased to be the beneficial owner of 
more than five percent of the class of securities check the following.  /  / 

ITEM 6.   OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER PERSON:

          BVF shares voting and dispositive power over the shares of the 
common stock it beneficially owns with Partners.  Partners and BVF Inc. share 
voting and dispositive power over the shares of the common stock they 
beneficially own with, in addition to BVF, certain managed accounts on whose 
behalf Partners, as investment manager, purchased such shares.  The only 
managed account which owns more than 5% of the common stock of Corvas is the 
Biotechnology Value Fund, Ltd., a Cayman Islands corporation.

ITEM 7.   IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH ACQUIRED THE
          SECURITY BEING REPORTED ON BY THE PARENT HOLDING COMPANY:

          Not applicable.

ITEM 8.   IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF A GROUP:

          Not applicable.

ITEM 9.   NOTICE OF DISSOLUTION OF GROUP:

          Not applicable.


<PAGE>
- -------------------------------------------------------------------------------
CUSIP NO.   22100 5 101                13G                   Page 7 of 7 Pages
- -------------------------------------------------------------------------------

ITEM 10.  CERTIFICATION

          By signing below I certify that, to the best of my knowledge and 
belief, the securities referred to above were not acquired and are not held 
for the purpose of or with the effect of changing or influencing the control 
of the issuer of the securities and were not acquired and are not held in 
connection with or as a participant in any transaction having that purpose or 
effect.

          After reasonable inquiry and to the best of my knowledge and 
belief, I certify that the information set forth in this statement is true, 
complete and correct.

Dated:    April 10, 1998


                            BIOTECHNOLOGY VALUE FUND, L.P.

                            By:  BVF Partners L.P., its general partner

                                 By:  BVF Inc., its general partner


                                      By:  /s/ Mark N. Lampert       
                                           ----------------------------
                                           Mark N. Lampert
                                           President

                            BVF PARTNERS L.P.

                            By:  BVF Inc., its general partner


                                      By:  /s/ Mark N. Lampert     
                                           ----------------------------
                                           Mark N. Lampert
                                           President

                            BVF INC.


                            By:  /s/ Mark N. Lampert     
                                 ----------------------------
                                 Mark N. Lampert
                                 President


<PAGE>

                                     EXHIBIT A

                           AGREEMENT REGARDING JOINT FILING


     The undersigned, Biotechnology Value Fund, L.P., a Delaware limited 
partnership, and BVF Partners L.P., a Delaware limited partnership, and BVF 
Inc., a Delaware corporation, hereby agree and acknowledge that the 
information required by Schedule 13G, to which this Agreement is attached as 
an exhibit, is filed on behalf of each of them.  The undersigned further 
agree that any amendments or supplements thereto shall also be filed on 
behalf of each of them.

Dated:  April 10, 1998

                            BIOTECHNOLOGY VALUE FUND, L.P.

                            By:  BVF Partners L.P., its general partner

                                 By:  BVF Inc., its general partner


                                      By:  /s/ Mark N. Lampert
                                           --------------------------
                                           Mark N. Lampert
                                           President

                            BVF PARTNERS L.P.

                            By:  BVF Inc., its general partner


                                      By:  /s/ Mark N. Lampert
                                           ----------------------------
                                           Mark N. Lampert
                                           President

                            BVF INC.


                            By:  /s/ Mark N. Lampert       
                                 ----------------------------
                                 Mark N. Lampert
                                 President




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