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PEG-polyacetal diblock copolymer and PEG-polyacetal triblock copolymer and pharmaceutical composition
PEG-polyacetal diblock copolymer and PEG-polyacetal triblock copolymer and pharmaceutical composition
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机译:PEG-聚缩醛二嵌段共聚物和PEG-聚缩醛三嵌段共聚物以及药物组合物
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摘要
This invention relates to block copolymer delivery vehicles comprising a polyethyleneglycol-polyacetal, and to controlled release pharmaceutical compositions comprising the delivery vehicle and an active agent. The block copolymers of the invention may be thermogel block copolymers. The pharmaceutical compositions may be in the form of a topical, syringable, or injectable formulation for local controlled delivery of the active agent.
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