发明名称 |
Transdermally Absorbable Preparation Containing Basic Anti-Inflammatory Analgesic |
摘要 |
A transdermally absorbable preparation in which a basic anti-inflammatory analgesic is formulated is provided to be an external adhesive patch, which has excellent drug releasing without damaging the physical properties of a plaster. The preparation can achieve high releasing of the basic anti-inflammatory analgesic without losing the releasing of the local anesthetic. Specifically provided is a transdermally absorbable adhesive patch, which contains both the basic anti-inflammatory analgesic and the local anesthetic as the absorption promoter for the basic anti-inflammatory analgesic. The basic anti-inflammatory analgesic has the acid dissociation constant (pKa) of 7 or more. The content of the basic anti-inflammatory analgesic is from 0.1% to 10% by weight to the total weight of the drug-containing plaster, and the content of the absorption promoter is from 0.01% to 20% by weight to the total weight of the drug-containing plaster in the transdermally absorbable adhesive patch.
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申请公布号 |
US2012322840(A1) |
申请公布日期 |
2012.12.20 |
申请号 |
US201013516094 |
申请日期 |
2010.12.14 |
申请人 |
KATAYAMA AKIKO;INOO KATSUYUKI;TEIKOKU SEIYAKU CO., LTD. |
发明人 |
KATAYAMA AKIKO;INOO KATSUYUKI |
分类号 |
A61K31/42;A61K31/165;A61K31/166;A61K31/245;A61P25/04;A61P29/00 |
主分类号 |
A61K31/42 |
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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