# An Observational Registry of Chinese COPD Study

> **NCT04318912** · — · NOT_YET_RECRUITING · sponsor: **China-Japan Friendship Hospital** · enrollment: 5000 (estimated)

## Conditions studied

- COPD

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT04318912
- **Lead sponsor:** China-Japan Friendship Hospital
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** NOT_YET_RECRUITING
- **Start date:** 2020-05-01
- **Primary completion:** 2022-05-01
- **Final completion:** 2030-05-01
- **Target enrollment:** 5000 (ESTIMATED)
- **Last updated:** 2020-03-24


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04318912

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04318912, "An Observational Registry of Chinese COPD Study". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT04318912. Licensed CC0.

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