Dry powder inhalation drug products exhibiting moisture control properties and methods of administering the same

摘要

A drug product comprising : a dry powder inhalation device having a pharmaceutical composition present therein, said pharmaceutical composition comprising a compound which is (6α,11ß,16α,17 α)-6,9-difluoro-17-{[(fluoromethyl)thio]carbonyl}-11-hydroxy-16-methyl-3-oxoandrosta-1,4-dien-17-yl 2- furancarboxylate or a solvate thereof; a hygroscopic material, and a package which encompasses the dry powder inhalation device and the hygroscopic material defining an enclosed volume therein, wherein the enclosed volume exhibits a Relative Humidity of from 20% to 40%.