| NCT Number | NCT03044847 |
| Lead Sponsor | Beijing Chao Yang Hospital |
| Conditions | Pulmonary Disease, Chronic Obstructive |
| Enrollment | 3,800 participants |
| Start Date | 2016-07 |
| Primary Completion | 2028-12 (estimated) |
| Study Completion | 2028-12 (estimated) |
| Updated on ClinicalTrials.gov | 2021-07-29 |