Pharmacokinetics and Safety Comparison of Tiotropium Inhalation Powder Administered as the Bromide Salt From Hard Polyethylene Capsule Via the HandiHaler® 2 and Spiriva® HandiHaler® in Patients With Chronic Obstructive Pulmonary Disease (COPD)
Conditions
- Pulmonary Disease, Chronic Obstructive
Interventions
- DRUG: Tiotropium low dose
- DRUG: Tiotropium medium dose
- DRUG: Spiriva® HandiHaler® high dose
- DRUG: Placebo via the blue HandiHaler®
- DRUG: Placebo via the grey HandiHaler®
Sponsor
Boehringer Ingelheim