Polyetherester copolymers as drug delivery matrices

Details Polyetherester copolymers as drug delivery matrices Polyetherester copolymers as drug delivery matrices

A - Human Necessities

61

K

A61K 47/34 (2006.01) A61K 9/00 (2006.01) A61K 9/16 (2006.01) A61K 38/00 (2006.01)

Patent

CA 2213368

A composition for delivering a biologically active agent to a host. The composition comprises a product including a biologically active agent encapsulated in a matrix comprising a copolymer, of a polyalkylene glycol and an aromatic polyester, such as a polyethylene glycol terephthalate/-polybutylene terephthalate copolymer. The polyether-ester copolymer protects the biologically active agent (including proteins, peptides, and small drug molecules) from degradation or denaturation and provides and essentially zero-order release.

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