Impact of Tiotropium Add-on Therapy in Patients With Asthma
Clinical trial NCT03964220 · COMPLETED
Trial details
- NCT number
- NCT03964220
- Sponsor
- Boehringer Ingelheim
- Status
- COMPLETED
- Study type
- OBSERVATIONAL
- Start date
- 2019-03-15
- Primary completion
- 2019-09-20
- Enrollment
- 7857
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