# The Characteristic of Airway Microbiome Profiling of COPD-bronchiectasis Overlap Patients and Its Association With Acute Exacerbation

> **NCT04865861** · — · UNKNOWN · sponsor: **Guangzhou Medical University** · enrollment: 220 (estimated)

## Conditions studied

- Bronchiectasis Adult
- Chronic Obstructive Pulmonary Disease
- Overlap
- Microbiome

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT04865861
- **Lead sponsor:** Guangzhou Medical University
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** UNKNOWN
- **Start date:** 2021-05-01
- **Primary completion:** 2023-06-30
- **Final completion:** 2023-06-30
- **Target enrollment:** 220 (ESTIMATED)
- **Last updated:** 2021-05-04


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04865861

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04865861, "The Characteristic of Airway Microbiome Profiling of COPD-bronchiectasis Overlap Patients and Its Association With Acute Exacerbation". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT04865861. Licensed CC0.

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