Study To Evaluate The Efficacy And Safety Of PH-797804 For 12 Weeks In Adults With Moderate To Severe Chronic Obstructive Pulmonary Disease (COPD) Taking Salmeterol Xinafoate/Fluticasone Propionate Combination
Conditions
- Pulmonary Disease, Chronic Obstructive
Interventions
- DRUG: PH-797804
- DRUG: Placebo
Sponsor
Pfizer