Comparative Pharmacokinetics and Pharmacodynamics of Tiotropium With Ipratropium or Placebo After 19 Days of Tiotropium Treatment
Conditions
Interventions
- DRUG: Ipratropium - unit dose vial
- DRUG: Tiotropium - inhalation capsule
- DRUG: Placebo matching tiotropium
- DRUG: Placebo matching ipratropium
Sponsor
Boehringer Ingelheim