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Gastroretentive controlled release microspheres (Microspheres) for improved drug delivery
Gastroretentive controlled release microspheres (Microspheres) for improved drug delivery
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机译：胃滞留控释微球（Microspheres）用于改善药物输送
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摘要
There is provided a drug delivery composition for the controlled release of an active agent in the stomach environment over a prolonged period of time, which comprises a microsphere comprising an active ingredient in the inner core of the microsphere and (i) a rate controlling layer of a water insoluble polymer and (ii) an outer layer of a bioadhesive agent in the form of a cationic polymer.
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