A 12-week Study to Evaluate the Efficacy and Safety of Umeclidinium Compared With Tiotropium in Subjects With Chronic Obstructive Pulmonary Disease
Conditions
- Pulmonary Disease, Chronic Obstructive
Interventions
- DRUG: Umeclidinium
- DRUG: Umeclidinium matching placebo
- DRUG: Tiotropium
- DRUG: Tiotropium matching placebo
Sponsor
GlaxoSmithKline