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
1 active trial recruiting for Roflumilast (PDE4 Inhibitor) in Copd
A 52-week, Placebo- and Active- Controlled (Roflumilast, Daliresp® 500µg) Study to Evaluate the Efficacy and Safety of Two Doses of CHF6001 DPI (Tanimilast) as add-on to Maintenance Triple Therapy in Subjects With COPD and Chronic Bronchitis. (PILLAR)
Long-term Study of Safety and Efficacy of Roflumilast in Japanese Patients Older Than 40 Years With Chronic Obstructive Pulmonary Disease (APTA-2217-08)