# Clinical Phenotypes of COPD Patients Between in Plateau and Plain

> **NCT04964076** · — · COMPLETED · sponsor: **Peking University Third Hospital** · enrollment: 104 (actual)

## Conditions studied

- Pulmonary Disease, Chronic Obstructive

## Interventions

- **OTHER:** No intervention

## Key facts

- **NCT ID:** NCT04964076
- **Lead sponsor:** Peking University Third Hospital
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2020-11-01
- **Primary completion:** 2021-12-31
- **Final completion:** 2021-12-31
- **Target enrollment:** 104 (ACTUAL)
- **Last updated:** 2023-11-18

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04964076

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04964076, "Clinical Phenotypes of COPD Patients Between in Plateau and Plain". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT04964076. Licensed CC0.

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