Effect of Roflumilast in Chronic Obstructive Pulmonary Disease (COPD) Patients Treated With Tiotropium: The HELIOS Study (BY217/M2-128)

NCT00424268 · clinicaltrials.gov ↗
PHASE3
Phase
COMPLETED
Status
743
Enrollment
INDUSTRY
Sponsor class

Conditions

Interventions

Sponsor

AstraZeneca