Transdermal delivery system of hormones without penetration enhancers
申请人:SCHERING AKTIENGESELLSCHAFT
公开号:EP1541137A2
公开(公告)日:2005-06-15
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.
Hydrocarbyl aminohydrocarbonoates and aminohydrocarbonol hydrocarbonoates as antimicrobial and antiviral agents
申请人:Buyuktimkin Nadir
公开号:US20050113274A1
公开(公告)日:2005-05-26
A method for providing antimicrobial or antiviral preservation to a liquid-containing composition is disclosed. The method comprises dissolving or dispersing an antimicrobial or antiviral amount of a compound having a molecular weight of about 200 to about 800 Da that is (i) a hydrocarbyl aminohydrocarbonate, (ii) an aminohydrocarbyl hydrocarbonate, (iii) a mixture of (i) and (ii) in that liquid-containing composition. A method of sanitizing a surface is also contemplated that comprises applying a composition prepared by the above method to contact a surface to be sanitized and maintaining that contact for a time sufficient to sanitize the same.
Transdermal delivery of hormones without the need of penetration enhancers
申请人:Langguth Thomas
公开号:US20050142175A1
公开(公告)日:2005-06-30
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.
LOW-DOSE TRANSDERMAL PATCHES WITH HIGH DRUG RELEASE
申请人:Bayer Intellectual Property GmbH
公开号:EP2613772B1
公开(公告)日:2016-12-14
Transdermal Delivery of Hormones without the Need of Penetration Enhancers
申请人:Bayer Intellectual Property GmbH
公开号:US20140109916A1
公开(公告)日:2014-04-24
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.