| abstract |
(57) [Summary] (1) A granular drug containing a drug selected from the group consisting of beclomethasone dipropionate and a physiologically acceptable solvate thereof; (2) 1,1,1 as a propellant , 2-Tetrafluoroethane, 1,1,1,2,3,3,3-heptafluoro- Pharmaceutical aerosol formulation comprising n-propane or a mixture thereof and containing substantially no surfactant. [Effect] An object of the present invention is to provide an excellent pharmaceutical aerosol formulation without the need for a surfactant or a co-solvent, which has been essential in conventional preparations of this kind. |