Efficacy and Safety of Tiotropium and Atrovent in Subjects With Chronic Obstructive Pulmonary Disease (COPD)
Clinical trial NCT02172469 · COMPLETED
Trial details
- NCT number
- NCT02172469
- Sponsor
- Boehringer Ingelheim
- Status
- COMPLETED
- Phase
- Phase 3
- Study type
- INTERVENTIONAL
- Start date
- 2001-05-01
- Primary completion
- 2002-04-01
- Enrollment
- 215
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