Antifungal treatment of nails

A - Human Necessities – 61 – K

Patent

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Details

A61K 31/195 (2006.01) A61K 9/70 (2006.01) A61K 31/17 (2006.01) A61K 31/215 (2006.01) A61K 31/22 (2006.01) A61K 31/395 (2006.01) A61K 31/41 (2006.01) A61K 31/415 (2006.01) A61K 31/44 (2006.01) A61K 31/495 (2006.01) A61K 38/06 (2006.01) A61K 47/18 (2006.01)

Patent

CA 2208088

There is disclosed a method for the treatment of fungal diseases in nails, which comprises the topical administration to the nail and, if desired, also to the surrounding skin, of (1) a sulfhydryl containing amino acid or a derivative thereof, the pharmaceutically acceptable salts or esters thereof, or stereoisomers thereof, (2) urea, (1) and (2) being administered in an amount sufficient to enhance the permeation of antifungal drugs through nail tissue, either prior to or, preferably, concurrently with the topical administration to the nail of (3) an effective amount of an antifungal drug. There is also disclosed a bandage adapted for the topical administration of medication to the nail, said bandage comprising a T-shaped adhesive backing, and a flexible pad having an impervious backing and a nail-shaped cavity backed by said impervious backing, wherein said nail-shaped cavity contains absorptive means having absorbed therein urea and a sulfhydryl containing amino acid or a derivative thereof, a pharmaceutically acceptable salt or ester thereof, or a stereoisomer thereof.

L'invention décrit un procédé pour traiter des mycoses des ongles consistant à administrer localement à l'ongle et, si on le désire, également à la peau qui l'entoure, (1) un acide aminé contenant du sulfhydryle ou un dérivé de celui-ci, ses sels ou esters pharmaceutiquement acceptables, ou des stéréo-isomères de celui-ci, (2) de l'urée, (1) et (2) étant administrés en quantité suffisante pour améliorer la pénétration de médicaments antimycosiques à travers le tissu de l'ongle, soit avant, soit, de préférence, simultanément avec l'administration locale à l'ongle (3) d'une quantité efficace d'un médicament antimycosique. L'invention décrit également un pansement adapté à l'administration locale à l'ongle de médicaments, et comprenant une couche dorsale adhésive en forme de T et une compresse souple dotée d'une couche dorsale étanche et d'une cavité en forme d'ongle renforcée par ladite couche dorsale étanche, ladite cavité contenant des dispositifs absorbants dans lesquels sont absorbés de l'urée et un acide aminé renfermant du sulfhydryle ou un dérivé de celui-ci, un de ses sels ou esters pharmaceutiquement acceptables, ou un de ses stéréo-isomères.

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