A Six-week Study Comparing the Efficacy and Safety of Tiotropium Plus Formoterol to Salmeterol Plus Fluticasone in Chronic Obstructive Pulmonary Disease (COPD)
Clinical trial NCT00239421 · COMPLETED
Trial details
- NCT number
- NCT00239421
- Sponsor
- Boehringer Ingelheim
- Status
- COMPLETED
- Phase
- Phase 4
- Study type
- INTERVENTIONAL
- Start date
- 2003-11-01
- Primary completion
- 2004-09-01
- Enrollment
- 605
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