Disclosed is a needle-free applicator that is suitable for administering a
solid, amorphous, mono-particulate
powder composition into a
body cavity of a
human patient, which cavity includes a mucosal surface, wherein the applicator comprises:(i) an opaque reservoir comprising said
powder composition;(ii) an optional actuating means for generating a force upon actuation of the device by a user; and(iii)a dispensing means through which, following said actuation, said
powder composition may be dispensed,wherein said powder composition comprises a pharmacologically-effective dosage amount of an
adrenergic receptor modulator, or a pharmaceutically-acceptable salt thereof, encapsulated in an amorphous state along with a pharmaceutically-acceptable
carrier material; andwhich powder composition is less than about 4% chemically degraded after storage for:(a) at least about 3 months at 40° C. and 75%
relative humidity; and / or(b) at least about 18 months at below about 30° C.; and / or(c) at least about 18 hours at above about 1 million
lux of UV light.