Efficacy and Safety Comparison of Tiotropium Daily + Salmeterol Daily or Twice Daily Versus Tiotropium Daily in Patients With COPD

Clinical trial NCT00662792 · COMPLETED

Trial details

NCT number: NCT00662792
Sponsor: Boehringer Ingelheim
Status: COMPLETED
Phase: Phase 3
Study type: INTERVENTIONAL

Pulmonary Disease, Chronic Obstructive

Start date: 2008-04-15
Primary completion: 2009-07-22
Enrollment: 147

View on ClinicalTrials.gov

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