# A Study Evaluating the Long-term Safety and Efficacy of Elexacaftor/Tezacaftor/Ivacaftor in Cystic Fibrosis (CF) Particpants 6 Years and Older and F/MF Genotypes

> **NCT04545515** · PHASE3 · COMPLETED · sponsor: **Vertex Pharmaceuticals Incorporated** · enrollment: 120 (actual)

## Conditions studied

- Cystic Fibrosis

## Interventions

- **DRUG:** ELX/TEZ/IVA
- **DRUG:** IVA

## Key facts

- **NCT ID:** NCT04545515
- **Lead sponsor:** Vertex Pharmaceuticals Incorporated
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2021-01-11
- **Primary completion:** 2023-03-24
- **Final completion:** 2023-03-24
- **Target enrollment:** 120 (ACTUAL)
- **Last updated:** 2024-05-08


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04545515

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04545515, "A Study Evaluating the Long-term Safety and Efficacy of Elexacaftor/Tezacaftor/Ivacaftor in Cystic Fibrosis (CF) Particpants 6 Years and Older and F/MF Genotypes". Retrieved via AI Analytics 2026-05-24 from https://api.ai-analytics.org/clinical/NCT04545515. Licensed CC0.

---

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