POWDER FOR INHALATION COMPRISING A MICRONISED ACTIVE INGREDIENT AND AN EXCIPIENT WHICH HAS PARTICLES OF 20UM OR MORE AND FINER PARTICLES OF 10 UM OR LESS

摘要

PCT No. PCT/EP92/02814 Sec. 371 Date Aug. 15, 1994 Sec. 102(e) Date Aug. 15, 1994 PCT Filed Dec. 12, 1992 PCT Pub. No. WO93/11746 PCT Pub. Date Jun. 24, 1993.In order to control and optimize the amount of inhalable active substance released when drugs are administered as inhalation powders, the invention calls for the use of auxiliaries consisting of mixtures of coarser particles (average particle size20 mu m) and finer particles (average particle size10 mu m).