| abstract |
The invention relates to a powder formulation fornadministration by inhalation comprising an active substancenand a pharmaceutically acceptable excipient, whichncomposition has the form of a physical mixture and comprisesnfrom 5 to 25 wt.% of the excipient, and wherein the activensubstance has a particle size distribution of from 0.5 ton10 µm, and wherein the excipient has a particle sizendistribution of from 15 to 500 µm. |