Exhibit 7


       CERTIFICATION OF CHAIRMAN OF THE BOARD AND CHIEF EXECUTIVE OFFICER
 PURSUANT TO TITLE 18, UNITED STATES CODE, SECTION 1350, AS ADOPTED PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002


I, Dr. Francesco Bellini, Chairman of the Board and Chief Executive Officer of
Neurochem Inc., (the "Company"), certify, pursuant to Section 906 of the
Sarbanes-Oxley Act of 2002, 18 U.S.C. Section 1350, that, to the best of my
knowledge:


1.   The Annual Report on Form 40-F of the Company for the year ended December
     31, 2003 (the "Report") fully complies with the requirements of Section
     13(a) or 15(d) of the Securities Exchange Act of 1934 (15 U.S.C. 78m(a) or
     78o(d)); and

2.   The information contained in the Report fairly presents, in all material
     respects, the financial condition and results of operations of the Company.


Dated: May 13, 2004




                  /s/ Francesco Bellini
                 -------------------------------------------------
                 Dr. Francesco Bellini
                 Chairman of the Board and Chief Executive Officer



A signed original of this written statement required by Section 906 has been
provided to the Company and will be retained by the Company and furnished to the
Securities and Exchange Commission or its staff upon request.