A 24-week Study to Compare Umeclidinium/Vilanterol (UMEC/VI), UMEC and Salmeterol in Subjects With Chronic Obstructive Pulmonary Disease (COPD)
Conditions
- Pulmonary Disease, Chronic Obstructive
Interventions
- DRUG: UMEC/VI 62.5/25 mcg via ELLIPTA
- DRUG: UMEC 62.5 mcg via ELLIPTA
- DRUG: Salmeterol 50 mcg via DISKUS
- DRUG: Placebo via ELLIPTA
- DRUG: Placebo via DISKUS
Sponsor
GlaxoSmithKline