发明名称 |
Ascending-dose dosage form |
摘要 |
A dosage form and a method are disclosed for delivering to a human patient a drug in an ascending amount over time. In particular, the invention provides a dosage form having a length greater than its width, the dosage form comprising:
(a) a first layer comprising 10 ng to 700 mg of a drug selected from methylphenidate or a pharmaceutically acceptable salt thereof;
(b) a second layer comprising 80% to 95% of a hydrophilic-expandable polymer;
(c) a wall comprising a semipermeable composition that surrounds the first and second layer;
(d) an exit in the wall communicating with the first layer for delivering the drug; and wherein the dosage form when in operation administers the drug in an ascending rate over time.
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申请公布号 |
EP1782798(A2) |
申请公布日期 |
2007.05.09 |
申请号 |
EP20060009437 |
申请日期 |
1997.11.12 |
申请人 |
ALZA CORPORATION |
发明人 |
HAMEL, LAWRENCE, G.;AYER, ATUL, DEVDATT;WRIGHT, JERI, D.;LAM, ANDREW;SHIVANAND, PADMAJA |
分类号 |
A61K9/22;A61K9/00;A61K31/137;A61K31/341;A61K31/366;A61K31/445;A61K31/4458;A61K45/00 |
主分类号 |
A61K9/22 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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