Effect of Roflumilast on Pulmonary Function and Respiratory Symptoms in Patients With Chronic Obstructive Pulmonary Disease (COPD) (BY217/M2-110)
Effect of Roflumilast on Pulmonary Function and Respiratory Symptoms in Patients With Chronic Obstructive Pulmonary Disease (COPD) (BY217/M2-110)
The aim of the study is to compare the effect of roflumilast and placebo on the lung function
 in patients with COPD.
Main Inclusion Criteria:

 -  Clinical diagnosis of COPD (Chronic Obstructive Pulmonary Disease)

 -  Currently stable COPD with no change in COPD treatment in the prior 4 weeks

 Main Exclusion Criteria:

 -  Clinical diagnosis of asthma

 -  Poorly controlled COPD

 -  Regular need for daily oxygen therapy