# VX-770 for the Treatment of Chronic Bronchitis

> **NCT03251911** · PHASE4 · WITHDRAWN · sponsor: **University of Alabama at Birmingham**

## Conditions studied

- Chronic Bronchitis

## Interventions

- **DRUG:** Ivacaftor (VX-770)

## Key facts

- **NCT ID:** NCT03251911
- **Lead sponsor:** University of Alabama at Birmingham
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** WITHDRAWN
- **Start date:** 2020-01-01
- **Primary completion:** 2022-02-01
- **Final completion:** 2022-02-01
- **Target enrollment:** 0 (ACTUAL)
- **Why stopped:** no participants enrolled
- **Last updated:** 2022-02-17


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03251911

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03251911, "VX-770 for the Treatment of Chronic Bronchitis". Retrieved via AI Analytics 2026-05-27 from https://api.ai-analytics.org/clinical/NCT03251911. Licensed CC0.

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