Stable, inhalable medicament for treating asthma or chronic obstructive pulmonary disease, comprising acidic aqueous solution of tiotropium salt in water or aqueous ethanol

摘要

A medicament preparation (A) contains: (a) a tiotropium salt as active agent (I), at a tiotropium concentration of 0.0005-5 wt.%; (b) water or aqueous ethanol as solvent; (c) acid to adjust the pH to 2.0-4.5; (d) a preservative; and (e) optionally (f) one or more of complexants, stabilizers, co-solvents and other auxiliaries. An Independent claim is included for the production of (A), by mixing the individual components.