Liquid composition of biodegradable block copolymer for drug...

Details Liquid composition of biodegradable block copolymer for drug... Liquid composition of biodegradable block copolymer for drug...

A - Human Necessities

61

K

A61K 47/34 (2006.01) A61K 9/00 (2006.01) A61K 47/10 (2006.01) A61K 47/30 (2006.01) A61K 47/32 (2006.01)

Patent

CA 2395077

The present invention relates to a liquid polymeric composition capable of forming a physiologically active substance-containing implant when it is injected into a living body and a method of preparation thereof. The composition comprises a water-soluble biocompatible liquid polyethylene glycol derivative, a biodegradable block copolymer which is insoluble in water but soluble in the water-soluble biocompatible liquid polyethylene glycol derivative and a physiologically active substance.

L'invention concerne une composition polymère liquide capable de former un implant contenant une substance physiologiquement active lors de l'injection dans un corps vivant ainsi qu'un procédé de préparation correspondant. La composition comprend un dérivé liquide biocompatible de polyéthylèneglycol, un copolymère bloc biodégradable insoluble dans l'eau mais soluble dans le dérivé liquide biocompatible de polyéthylèneglycol et une substance physiologiquement active.

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