12-week Treatment With Inhaled Tiotropium (18 mcg Once Daily) on Lung Function and Static Lung Volumes in Stable, Moderate to Severe Chronic Obstructive Pulmonary Disease (COPD) Patients. Correlation to Dyspnoea Scales
Conditions
- Pulmonary Disease, Chronic Obstructive
Interventions
- DRUG: Tiotropium inhalation capsules
- DRUG: Placebo inhalation capsules
Sponsor
Boehringer Ingelheim