Inhaled Corticosteroid Withdrawal in Patients With Chronic Obstructive Pulmonary Disease
Conditions
- Pulmonary Disease, Chronic Obstructive
Interventions
- DRUG: tiotropium inhalation
- DRUG: salmeterol xinafoate
- DRUG: fluticasone propionate
- DRUG: placebo matched for fluticasone propionate
Sponsor
Boehringer Ingelheim