发明授权
US08808669B2 Gastroretentive, extended release composition of therapeutic agent 有权
胃肠释放缓释组合物治疗剂

Gastroretentive, extended release composition of therapeutic agent
摘要:
A gastroretentive, extended release composition which floats and swells at acidic pH prevalent in the stomach. The composition includes a pH dependent graft copolymer, a gellable polymer, a therapeutic agent, a gas generating system and pharmaceutically acceptable ingredients. The disclosed composition is useful to deliver the therapeutic agent within the stomach for an extended period of time.
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