Labopharm 40-F Annual report (Canada)

Exhibit 99.7

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Annual Report of Labopharm Inc. (the “Company”) on Form 40-F for the fiscal year ended December 31, 2007 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, James R. Howard-Tripp, President and Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

1. The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; 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: March 28, 2008

By:	/s/ James R. Howard-Tripp
Name:	James R. Howard-Tripp
Title:	President and Chief Executive Officer