Spray-dried microparticles and their use as therapeutic vehicles

Drug – bio-affecting and body treating compositions – Enzyme or coenzyme containing

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424 95, 424 96, 424 46, 424 943, 424 944, 424491, 424499, 514965, A61K 3843, A61K 914, A61K 950

Patent

active

059938056

ABSTRACT:
Microparticles of a water-soluble material, which are smooth and spherical, and at least 90% of which have a mass median particle size of 1 to 10 .mu.m, and which carry a therapeutic or diagnostic agent can successfully be used in dry powder inhalers to deliver the said agent.

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