Polymeric compositions useful as controlled release implants

Details Polymeric compositions useful as controlled release implants Polymeric compositions useful as controlled release implants

A - Human Necessities

61

K

A61K 47/30 (2006.01) A61K 9/00 (2006.01) A61K 47/14 (2006.01) A61K 47/34 (2006.01)

Patent

CA 2079830

33 POLYMERIC COMPOSITIONS USEFUL AS CONTROLLED RELEASE IMPLANTS Abstract of the Invention The invention is directed to an improved system for controlled release of biologically active materials and to a liquid composition for its formation. The liquid composition is composed of a thermoplastic polymer, rate modifying agent, bioactive material and organic solvent. The liquid composition is capable of forming a biodegradable and/or bioerodible microporous, solid polymer matrix. The matrix is useful as an implant in patients (humans and animals) for delivery of biologically active substances to tissues or organs.

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