Topical composition comprising a dihydropyridine calcium...

A - Human Necessities – 61 – K

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Details

A61K 31/4422 (2006.01) A61K 9/06 (2006.01) A61K 9/107 (2006.01) A61P 1/00 (2006.01)

Patent

CA 2662298

A topical composition comprising a dihydropyridine calcium antagonist, a stiffening agent and a release modifier. The stiffening agent comprises a fatty alcohol, a fatty acid sorbitane ester, or a fatty acid glycerol ester, having a hydrocarbon chain containing 12 to 22 carbon atoms and having a melting point of about 45 to 750°C. The release modifier comprises a fatty alcohol, a fatty alcohol glycol ether, a fatty acid alkyl ester, a fatty acid glycerol ester, or a fatty acid sorbitane ester, having a hydrocarbon chain containing 12 to 18 carbon atoms and having a melting point of about -10 to 400°C. Use of such a composition for the treatment and/or prophylaxis of a dermal or mucosal disorder, preferably an anorectal disorder associated with high anal pressure or anal sphincter spasm.

L'invention concerne une composition topique comprenant un antagoniste du calcium de dihydropyridine, un agent solidifiant et un modificateur de libération. L'agent solidifiant comprend un alcool gras, un ester de sorbitan d'acide gras, ou un ester de glycérol d'acide gras, possédant une chaîne hydrocarbonée contenant 12 à 22 atomes de carbone et possédant un point de fusion compris entre environ 45 et 750°C. Le modificateur de libération comprend un alcool gras, un éther de glycol d'alcool gras, un ester d'alkyle d'acide gras, un ester de glycérol d'acide gras, ou un ester de sorbitan d'acide gras, possédant une chaîne hydrocarbonée contenant 12 à 18 atomes de carbone et possédant un point de fusion compris entre environ -10 et 40°C. Cette invention concerne également l'utilisation de cette composition dans le traitement et/ou à la prophylaxie d'un trouble de la peau ou des muqueuses, de préférence un trouble ano-rectal associé à une pression anale élevée ou à un spasme du sphincter anal.

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