Comparing the Efficacy of Symbicort® pMDI and Formoterol Turbuhaler in Reducing Exacerbations in Patients With Cronic Obstructive Pulmonary Disease
Conditions
Interventions
- DRUG: Symbicort
- DRUG: Formoterol turbohaler
- OTHER: Placebo for Symbicort pMDI
- OTHER: Placebo for Formoterol Turbohaler
Sponsor
AstraZeneca