Ionic molecular conjugates of biodegradable polyesters and...

C - Chemistry – Metallurgy – 08 – G

Patent

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Details

C08G 63/08 (2006.01) A61K 47/48 (2006.01) C08G 63/64 (2006.01)

Patent

CA 2358829

Disclosed is a sustained release pharmaceutical composition. The composition includes a polyester containing a free COOH group ionically conjugated with a bioactive polypeptide comprising at least one effective ionogenic amine, wherein at least 50 % by weight of the polypeptide present in the composition is ionically conjugated to the polyester.

On décrit une composition pharmaceutique à libération prolongée qui contient un polyester dans lequel un groupe libre COOH est ioniquement conjugué à un polypeptide bioactif contenant au moins une amine ionogène active; au moins 50 % en poids du polypeptide présent dans ladite composition étant ioniquement conjugué au polyester.

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