发明名称 |
ORAL PHARMACEUTICAL PREPARATION FOR COLON-SPECIFIC DELIVERY |
摘要 |
<p>An oral pharmaceutical preparation excellent in the ability to deliver a drug to the large intestine, more specifically, an oral pharmaceutical preparation for delivering a drug to the large intestine which comprises a core containing a pharmaceutically acceptable filler as the essential component, a drug-containing inside layer covering the core, an intermediate layer which covers the inside layer and contains a cationic polymer soluble or swellable at a pH of 6.6 or below, and an outside layer which covers the intermediate layer and contains an anionic polymer soluble at a pH of 7.0 or above.</p> |
申请公布号 |
WO2008117814(A1) |
申请公布日期 |
2008.10.02 |
申请号 |
WO2008JP55652 |
申请日期 |
2008.03.26 |
申请人 |
TEIKOKU SEIYAKU CO., LTD.;KUBO, HIROYUKI |
发明人 |
KUBO, HIROYUKI |
分类号 |
A61K9/16;A61K9/56;A61K47/02;A61K47/32;A61K47/36;A61P1/00;A61P1/04;A61P3/10;A61P5/00;A61P5/44;A61P7/12;A61P15/04;A61P19/10;A61P25/00;A61P29/00;A61P31/00;A61P35/00;A61P37/00;A61P43/00 |
主分类号 |
A61K9/16 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|