Efficiency of Twice Daily Formoterol Versus Once Daily Tiotropium in Patients With GOLD A/B COPD
Clinical trial NCT03258749 · UNKNOWN
Trial details
- NCT number
- NCT03258749
- Sponsor
- Huashan Hospital
- Status
- UNKNOWN
- Phase
- Not Applicable
- Study type
- INTERVENTIONAL
- Start date
- 2017-11-01
- Primary completion
- 2018-08-31
- Enrollment
- 120
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