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Completed Phase 3 Interventional Results available

Evaluation of ELX/TEZ/IVA in Cystic Fibrosis (CF) Subjects 2 Through 5 Years

ClinicalTrials.gov ID: NCT04537793

Public ClinicalTrials.gov record NCT04537793. 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 Jun 26, 2026, 1:26 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 Safety, Tolerability, and Pharmacokinetics of Elexacaftor/Tezacaftor/Ivacaftor Triple Combination Therapy in Cystic Fibrosis Subjects 2 Through 5 Years of Age

Study identification

NCT ID
NCT04537793
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Enrollment
83 participants

Conditions and interventions

Interventions

  • ELX/TEZ/IVA Drug
  • IVA Drug

Drug

Eligibility (public fields only)

Age range
2 Years to 5 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
Nov 18, 2020
Primary completion
Jun 2, 2022
Completion
Jun 2, 2022
Last update posted
Jun 27, 2023

2020 – 2022

United States locations

U.S. sites
13
U.S. states
12
U.S. cities
13
Facility City State ZIP Site status
Banner University of Arizona Medical Center Tucson Arizona 85724
Stanford University Palo Alto California 94304
Children's Hospital of Colorado Aurora Colorado 80045
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
NC TraCS Institute - CTRC University of North Carolina at Chapel Hill Chapel Hill North Carolina 27599
Oregon Health & Science University Portland Oregon 97239
UPMC Children's Hospital of Pittsburgh Pittsburgh Pennsylvania 15224
Seattle Children's Hospital Seattle Washington 98105

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 9 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04537793, 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 Jun 27, 2023 · Synced Jun 26, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT04537793 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →