A pharmaceutical composition for inhalation comprising aclidinium in the form of a dry powder of a pharmaceutically acceptable salt in admixture with a pharmaceutically acceptable dry powder carrier, providing a delivered dose of aclidinium equivalent to about 322 micrograms aclidinium free base.一種用以吸入之醫藥組合物,包含一藥學上可接受鹽類之乾燥粉末形式之阿地銨(aclidinium)與醫藥學上可接受乾燥粉末載體混合,提供相當於約322微克之阿地銨(aclidinium)游離鹼之阿地銨(aclidinium)傳遞劑量。