You can search for trials, but you probably can't join any because the 1% Treaty hasn't passed yet. Most trials are severely limited by lack of funding and bureaucratic barriers. Help change this!
Active Clinical Trials
No active trials currently recruiting for this treatment
No active trials found in ClinicalTrials.gov
Completed Clinical Trials
3 completed trials for Roflumilast (PDE4 Inhibitor) in Copd
Effects of Roflumilast in Hospitalized Chronic Obstructive Pulmonary Disease( COPD) on Mortality and Re-hospitalization
Long-term Study of Safety and Efficacy of Roflumilast in Japanese Patients Older Than 40 Years With Chronic Obstructive Pulmonary Disease (APTA-2217-08)