Patent ID: 6217893
Filing Date: 2001-04-17
Classification: A61K,A61P,C07K,Y10T

Abstract:
A composition in the form of microcapsules or an implant comprising at least one member selected from the group consisting of a biodegradable polymeric excipient and a biodegradable copolymeric excipient and at least one active substance for prolonged release of the active substance over up to more than 3 months according to an essentially monophase release profile, wherein in the case of microcapsules, the excipients comprise a copolymer having a viscosity of 0.9 to 1.6 dl/g in CHCl.sub.3 and the preparation process for said microcapsules does not comprise any fusion stage and in the case of an implant, the excipient has a viscosity of 0.5 to 1.6 dl/g in CHCl.sub.3.