A Study to Evaluate Annual Rate of Exacerbations and Safety of 3 Dosage Strengths of Fluticasone Furoate (FF)/GW642444 Inhalation Powder in Subjects With Chronic Obstructive Pulmonary Disease (COPD)
Conditions
- Pulmonary Disease, Chronic Obstructive
Interventions
- DRUG: FF/GW642444 Inhalation Powder
- DRUG: GW642444 Inhalation Powder
Sponsor
GlaxoSmithKline