Effects of Particulate Matter on the Pulmonary Function and Acute Exacerbation of COPD and Asthma
Clinical trial NCT03193879 · COMPLETED
Trial details
- NCT number
- NCT03193879
- Sponsor
- Peking Union Medical College Hospital
- Status
- COMPLETED
- Study type
- OBSERVATIONAL
- Start date
- 2015-12-01
- Primary completion
- 2021-09-01
- Enrollment
- 505
Track trials programmatically
Sponsors, conditions and status changes through the Atlas API.