Composition for transdermal delivery

A - Human Necessities – 61 – K

Patent

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Details

A61K 9/70 (2006.01) A61K 9/12 (2006.01) A61K 47/34 (2006.01)

Patent

CA 2235346

A composition designed to be sprayed from an aerosol can to form a film on the skin for the transdermal delivery of an active principle. The composition includes (a) a lipophilic active principle, (b) 0.5- 25 wt % of a silicone-based adhesive polymer composition, (c) 0-25 wt % of an absorption promoter, (d) 25-95 wt % of a volatile solvent including volatile silicones, and (e) 0.5-50 wt % of a pressurised propellant gas.

L'invention a pour objet une composition destinée à former sur la peau, par pulvérisation à partir d'un boîtier pour aérosol, une pellicule pour l'administration transdermique d'un principe actif, qui comprend: a) un principe actif lipophile, b) de 0,5 à 25 % en poids d'une composition polymère adhésive à base de silicone, c) de 0 à 25 % en poids d'un promoteur d'absorption, d) de 25 à 95 % en poids d'un solvant volatil comprenant des silicones volatiles, et e) de 0,5 à 50 % en poids d'un gaz propulseur sous pression.

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