# Lung Function Outcomes Following Removal of Airway Mucus Plugs in Patients With Asthma (FOCUS)

> **NCT05748912** · NA · WITHDRAWN · sponsor: **University of California, San Francisco**

## Conditions studied

- Asthma

## Interventions

- **PROCEDURE:** Therapeutic bronchoscopy for removal of mucus plugs

## Key facts

- **NCT ID:** NCT05748912
- **Lead sponsor:** University of California, San Francisco
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** WITHDRAWN
- **Start date:** 2022-01-26
- **Primary completion:** 2025-03-25
- **Final completion:** 2025-03-25
- **Target enrollment:** 0 (ACTUAL)
- **Why stopped:** No participants were enrolled in protocol A due to COVID-related restrictions and funding issues.
- **Last updated:** 2026-01-13

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05748912

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05748912, "Lung Function Outcomes Following Removal of Airway Mucus Plugs in Patients With Asthma (FOCUS)". Retrieved via AI Analytics 2026-08-09 from https://api.ai-analytics.org/clinical/NCT05748912. Licensed CC0.

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