# Impact of Airway Mucus Plugs on Secondary Pulmonary Fibrosis in COPD Patients: A Single-Center Case-Control Study

> **NCT07236541** · — · RECRUITING · sponsor: **Ming Zhong** · enrollment: 20 (estimated)

## Conditions studied

- Lung Fibrosis

## Interventions

- **OTHER:** No intervention; observational biospecimen collection only

## Key facts

- **NCT ID:** NCT07236541
- **Lead sponsor:** Ming Zhong
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** RECRUITING
- **Start date:** 2025-10-30
- **Primary completion:** 2026-06-30
- **Final completion:** 2026-06-30
- **Target enrollment:** 20 (ESTIMATED)
- **Last updated:** 2025-11-19


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT07236541

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT07236541, "Impact of Airway Mucus Plugs on Secondary Pulmonary Fibrosis in COPD Patients: A Single-Center Case-Control Study". Retrieved via AI Analytics 2026-06-08 from https://api.ai-analytics.org/clinical/NCT07236541. Licensed CC0.

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