Confirmatory Dose Finding Study of 2 Dosages of CHF 4226 pMDI (Carmoterol) in Patients With COPD
Conditions
- Chronic Obstructive Pulmonary Disease
Interventions
- DRUG: carmoterol (CHF 4226)
- DRUG: carmoterol (CHF 4226)
- DRUG: placebo
- DRUG: salmeterol
Sponsor
Chiesi Farmaceutici S.p.A.