Fluorocarbon aerosol medicaments

Details Fluorocarbon aerosol medicaments Fluorocarbon aerosol medicaments

A - Human Necessities

61

K

A61K 9/12 (2006.01) A61K 31/135 (2006.01) A61K 31/137 (2006.01) A61K 31/138 (2006.01) A61K 31/167 (2006.01) A61K 31/352 (2006.01) A61K 31/44 (2006.01) A61K 31/4402 (2006.01) A61K 31/4458 (2006.01) A61K 31/4535 (2006.01) A61K 31/4741 (2006.01) A61K 31/48 (2006.01) A61K 31/522 (2006.01) A61K 31/56 (2006.01) A61K 31/57 (2006.01) A61K 31/573 (2006.01) A61K 45/06 (2006.01)

Patent

CA 2125667

This invention relates to aerosol formulations of use for the administration of medicaments by inhalation, in particular a pharmaceutical aerosol formulation which consists essentially of particulate medicament selected from the group comprising salmeterol, salbutamol, fluticasone propionate, beclomethasone dipropionate and physiologically acceptable salts and solvates thereof, said particulate medicament having a particle size of less than 100 microns; and 1,1,1,2-tetrafluoroethane as propellant, which formulation contains less than 0.0001% w/w of surfactant and with the provisos that when said formulation consists of salbutamol and 1,1,1,2-tetrafluoroethane in a weight ratio of 0.05:18, said salbutamol is in the form of a physiologically acceptable salt and that when said formulation consists of salbutamol, salbutamol sulphate or beclomethasone dipropionate isopropyl alcohol solvate and 1,1,1,2-tetrafluoroethane the weight to weight ratio of medicament to propellant is other than 69:7900 (0.866%).

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