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Active, not recruiting Phase 3 Interventional

Evaluation of VX-121/Tezacaftor/Deutivacaftor in Cystic Fibrosis (CF) Participants 1 Through 11 Years of Age

ClinicalTrials.gov ID: NCT05422222

Public ClinicalTrials.gov record NCT05422222. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Sep 1, 2026, 1:41 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Phase 3 Study Evaluating the Pharmacokinetics, Safety, and Tolerability of VX-121/Tezacaftor/Deutivacaftor Triple Combination Therapy in Cystic Fibrosis Subjects 1 Through 11 Years of Age

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

The purpose of this study is to evaluate the pharmacokinetics, safety, tolerability and efficacy of VX-121/tezacaftor/deutivacaftor (VX-121/TEZ/D-IVA) in CF participants with at least 1 triple combination responsive (TCR) mutation in the cystic fibrosis transmembrane conductance regulator (CFTR) gene.

Study identification

NCT ID
NCT05422222
Recruitment status
Active, not recruiting
Study type
Interventional
Phase
Phase 3
Enrollment
210 participants

Conditions and interventions

Interventions

Drug

Eligibility (public fields only)

Age range
1 Year to 11 Years
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Jun 20, 2022
Primary completion
Jun 29, 2030
Completion
Jun 29, 2030
Last update posted
May 27, 2026

2022 – 2030

United States locations

U.S. sites
19
U.S. states
15
U.S. cities
19
Facility City State ZIP Site status
Children's Hospital of Orange County Orange California 92868
Stanford University Clinical and Translational Research Unit Palo Alto California 94304
Children's Hospital of Colorado Aurora Colorado 80045
The Emory Clinic / Children's Healthcare of Atlanta at Egleston Atlanta Georgia 30322
Ann & Robert H. Lurie Children's Hospital of Chicago Chicago Illinois 60611
Riley Hospital for Children at Indiana University Health Indianapolis Indiana 46202
Boston Children's Hospital Boston Massachusetts 02115
Children's Respiratory and Critical Care Specialists, P.A., Children's Hospitals and Clinics of Minnesota Minneapolis Minnesota 55404
The Children's Mercy Hospital Kansas City Missouri 64108
Washington University School of Medicine / St. Louis Children's Hospital St Louis Missouri 63110
Cohen Children's Medical Center Lake Success New York 11042
Cincinnati Children's Hospital Medical Center Cincinnati Ohio 45229
Rainbow Babies and Children's Hospital/University Hospitals Cleveland Medical Center Cleveland Ohio 44106
Nationwide Children's Hospital Columbus Ohio 43205
Oregon Health & Science University Portland Oregon 97239
UPMC Children's Hospital of Pittsburgh Pittsburgh Pennsylvania 15224
Texas Children's Hospital - Wallace Tower Houston Texas 77030
Vermont Lung Center Colchester Vermont 05446
American Family Childrens Hospital Madison Wisconsin 53792

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 19 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT05422222, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted May 27, 2026 · Synced Sep 1, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT05422222 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →