发明名称 |
Transdermal delivery of hormones without the need of penetration enhancers |
摘要 |
The present invention relates to a patch comprising a drug-containing layer with low content of hormones, such as gestodene, and optionally an estrogen (e.g. ethinyl estradiol). Upon administering the patch to a woman, plasma levels of at least 1.0 ng/ml of Gestodene is achieved at steady state conditions without the need of incorporating penetration enhancers or permeation enhancers in the drug-containing layer. Satisfactorily plasma levels of the hormones is also achieved throughout a period of at least 1 week, making the patch applicable for being used in female contraception with the concept of administering the patch ones weekly. |
申请公布号 |
US8668925(B2) |
申请公布日期 |
2014.03.11 |
申请号 |
US20040008642 |
申请日期 |
2004.12.10 |
申请人 |
LANGGUTH THOMAS;BRACHT STEFAN;DITTGEN MICHAEL;HUBER PETRA;SCHENK DIRK;BAYER INTELLECTUAL PROPERTY GMBH |
发明人 |
LANGGUTH THOMAS;BRACHT STEFAN;DITTGEN MICHAEL;HUBER PETRA;SCHENK DIRK |
分类号 |
A61F13/00;A61F13/02;A61K9/70;A61K31/56;A61L15/16 |
主分类号 |
A61F13/00 |
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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