(19)

(11)

EP 1 286 643 A2

(12)

(88) Date of publication A3: 28.11.2002 (43) Date of publication: 05.03.2003 Bulletin 2003/10 (21) Application number: 01954286.9 (22) Date of filing: 15.05.2001

(51) International Patent Classification (IPC)7: A61K 6/00 (86) International application number: PCT/IB0101/456 (87) International publication number: WO 0108/7227 (22.11.2001 Gazette 2001/47)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 17.05.2000 US 572201 (71) Applicant: Labopharm Inc. Laval,Quebec H7V 3Z3 (CA)	(72) Inventor: LEROUX, Jean-Christophe Montreal, H2Y 3Z2 (CA) (74) Representative: Horner, Martin Grenville et al Cruikshank & Fairweather19 Royal Exchange Square Glasgow G1 3AEScotland Glasgow G1 3AEScotland (GB)