Polyetherester copolymers as drug delivery matrices

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

1996-08-16

1999-11-09

Kulkosky, Peter F.

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Particulate form

A61K 4734, A61K 914

Patent

active

059809485

ABSTRACT:
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 polyetherester copolymer, such as a polyethylene glycol terephthalate/polybutylene terephthalate copolymer. The polyetherester copolymer protects the biologically active agent (including proteins, peptides, and small drug molecules) from degradation or denaturation, and therefore such copolymers may be employed in a variety of drug delivery systems and vaccines.

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