Efficacy and Safety of Levalbuterol in Chronic Obstructive Pulmonary Disease (COPD)
Conditions
- Chronic Obstructive Pulmonary Disease (COPD)
Interventions
- DRUG: Levalbuterol HCl
- DRUG: Levalbuterol HCl
- DRUG: Albuterol Sulfate
- DRUG: Placebo
Sponsor
Sumitomo Pharma America, Inc.