# Early COPD for China Pulmonary Health Study Stage II

> **NCT05028985** · — · UNKNOWN · sponsor: **China-Japan Friendship Hospital** · enrollment: 400 (estimated)

## Conditions studied

- Obstructive Pulmonary Disease

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT05028985
- **Lead sponsor:** China-Japan Friendship Hospital
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** UNKNOWN
- **Start date:** 2021-01-01
- **Primary completion:** 2025-01
- **Final completion:** 2025-12
- **Target enrollment:** 400 (ESTIMATED)
- **Last updated:** 2021-08-31

## Collaborators

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## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05028985

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05028985, "Early COPD for China Pulmonary Health Study Stage II". Retrieved via AI Analytics 2026-05-27 from https://api.ai-analytics.org/clinical/NCT05028985. Licensed CC0.

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