Aerosol formulations

A - Human Necessities – 61 – K

Patent

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Details

A61K 9/12 (2006.01) A61K 45/06 (2006.01) A61K 47/06 (2006.01) A61M 15/00 (2006.01)

Patent

CA 2261879

The replacement of chlorofluorohydrocarbon propellants in medical aerosols is of the utmost importance to the pharmaceutical industry. A number of formulations have been investigated. The present invention provides a medical aerosol formulation comprising a particular medicament, a fluorocarbon propellant and 6 to 25 % w/w of the total formulation of a polar co-solvent, such formulation being substantially free of surfactant. Cannisters suitable for delivering such a pharmaceutical formulation are also provided.

Le remplacement de propulseurs à base de chlorofluorocarbone dans des aérosols médicaux revêt la plus grande importance pour l'industrie pharmaceutique. Un certain nombre de formulations ont déjà été recherchées. La présente invention concerne une formulation d'aérosol médical contenant un certain médicament, un propulseur à base de fluorocarbone ainsi que 6 à 25 % en poids de la formulation totale d'un cosolvant polaire, une telle formulation étant sensiblement dépourvue de tensioactif. On décrit également des contenants conçus pour délivrer une telle formulation pharmaceutique.

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