A - Human Necessities – 61 – K
Patent
A - Human Necessities
61
K
A61K 9/70 (2006.01) A61K 31/135 (2006.01) A61K 31/19 (2006.01) A61K 31/415 (2006.01) A61K 31/56 (2006.01) A61K 31/60 (2006.01)
Patent
CA 2214845
A pharmaceutical composition for transdermal delivery including (a) optionally a polymeric release matrix capable of forming a flexible film when dried, said matrix being selected from cellulose polymers or copolymers and vinylpyrrolidone/vinyl acetate copolymers, (b) an active principle, (c) a transcutaneous absorption promoter for the active principle, and (d) a physiologically acceptable non-aqueous solvent capable of dissolving the release matrix, the active principle and the transcutaneous absorption promoter, and quickly removing same by evaporation on contact with the skin.
L'invention a pour objet une composition pharmaceutique pour administration transdermique caractérisée en ce qu'elle comprend (a) éventuellement une matrice polymérique de relargage capable de former un film souple après séchage, choisie parmi des polymères ou copolymères cellulosiques ou des copolymères vinylpyrrolidone/acétate de vinyle, (b) un principe actif, (c) un promoteur d'absorption transcutanée du principe actif, (d) un solvant non aqueux physiologiquement acceptable capable de dissoudre la matrice de relargage, le principe actif et le promoteur d'absorption transcutanée ainsi que de l'éliminer rapidement par évaporation au contact de la peau.
Illel Brigitte
Saunal Henry
Robic
Sanofi
Sanofi-Aventis
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