发明授权
- 专利标题: Gastroretentive, extended release composition of therapeutic agent
- 专利标题(中): 胃肠释放缓释组合物治疗剂
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申请号: US13608994申请日: 2012-09-10
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公开(公告)号: US08808669B2公开(公告)日: 2014-08-19
- 发明人: Ramesh Muthusamy , Mohan Gopalkrishna Kulkarni
- 申请人: Ramesh Muthusamy , Mohan Gopalkrishna Kulkarni
- 申请人地址: IN
- 专利权人: Council of Scientific & Industrial Research
- 当前专利权人: Council of Scientific & Industrial Research
- 当前专利权人地址: IN
- 代理机构: St. Onge Steward Johnston & Reens LLC
- 优先权: IN0530/DEL/2010 20100309
- 主分类号: A61K47/34
- IPC分类号: A61K47/34 ; A61K31/496 ; A61K31/5383 ; A61K31/554 ; A61P31/04 ; A61P9/00 ; A61P3/02 ; A61K31/675 ; A61K47/38 ; A61K31/545 ; A61K9/20 ; A61K9/00 ; A61K31/525
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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