EXHIBIT 3.17

                            CERTIFICATE OF AMENDMENT
                                       OF
                      RESTATED CERTIFICATE OF INCORPORATION
                                       OF
                            IMPAX LABORATORIES, INC.

         Impax Laboratories, Inc., a corporation organized and existing under
the laws of the State of Delaware (the "Corporation"), hereby states that the
original name under which the corporation was originally incorporated was Global
Pharmaceutical Corporation and the original date of incorporation was March 23,
1995, and does hereby further certify as follows:

         FIRST: The Board of Director of the Corporation (the "Board"), by
unanimous written consent, adopted a resolution proposing and declaring
advisable that Subparagraph (a) of Paragraph FOURTH of the Restated Certificated
of Incorporation of the Corporation be amended by striking Subparagraph (a) in
its entirety and replacing therefor:

         "(a) The total number of share of all classes of stock which the
Corporation shall have the authority to issue is Seventy-seven Million
(77,000,000) shares, consisting of (i) Seventy-five Million (75,000,000) shares
of Common Stock, $.01 par value per share, (the "Common Stock"), and (ii) Two
Million (2,000,000) shares designated preferred stock, $.01 par value per share
(the "Preferred Stock")."

         SECOND: The Certificate of Amendment of Restated Certificate of
Incorporation herein certified was duly adopted by vote of the stockholders in
accordance with the provisions of Section 242 of the General Corporation Law of
the State of Delaware.

         IN WITNESS WHEREOF, the undersigned has caused this Certificate of
Amendment of Restated Certificate of Incorporation to be signed, under penalties
of perjury, and the facts stated herein are true and correct.

Dated: October 3, 2000

                          By:      /s/ CORNEL C. SPIEGLER
                              ----------------------------------
                                   Cornel C. Spiegler, Secretary