Overview Efficacy and Safety of Roflumilast in Patients With Asthma (BY217/M2-012) Status: Completed Trial end date: 1969-12-31 Target enrollment: Participant gender: Summary The aim of the study is to compare the effects of oral roflumilast with placebo on lung function in patients with asthma. Phase: Phase 3 Details Lead Sponsor: AstraZeneca