# The Cohort Study for Chronic Obstructive Pulmonary Disease (COPD) in China

> **NCT03044847** · — · ENROLLING_BY_INVITATION · sponsor: **Beijing Chao Yang Hospital** · enrollment: 3800 (estimated)

## Conditions studied

- Pulmonary Disease, Chronic Obstructive

## Interventions

- **OTHER:** COPD group

## Key facts

- **NCT ID:** NCT03044847
- **Lead sponsor:** Beijing Chao Yang Hospital
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** ENROLLING_BY_INVITATION
- **Start date:** 2016-07
- **Primary completion:** 2028-12
- **Final completion:** 2028-12
- **Target enrollment:** 3800 (ESTIMATED)
- **Last updated:** 2021-07-29


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03044847

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03044847, "The Cohort Study for Chronic Obstructive Pulmonary Disease (COPD) in China". Retrieved via AI Analytics 2026-06-01 from https://api.ai-analytics.org/clinical/NCT03044847. Licensed CC0.

---

*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*