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Completed Phase 3 Interventional Results available

A Study to Evaluate the Safety and Efficacy of Long-term Treatment With TEZ/IVA in CF Participants With an F508del CFTR Mutation

ClinicalTrials.gov ID: NCT03537651

Public ClinicalTrials.gov record NCT03537651. 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 27, 2026, 5:57 AM 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, Open-label, Rollover Study to Evaluate the Safety and Efficacy of Long-term Treatment With Tezacaftor in Combination With Ivacaftor in Subjects With Cystic Fibrosis Aged 6 Years and Older, Homozygous or Heterozygous for the F508del-CFTR Mutation

Study identification

NCT ID
NCT03537651
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Enrollment
130 participants

Conditions and interventions

Interventions

  • TEZ/IVA Drug
  • IVA Drug

Drug

Eligibility (public fields only)

Age range
6 Years and older
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
Apr 24, 2018
Primary completion
Oct 27, 2020
Completion
Sep 28, 2023
Last update posted
Apr 18, 2024

2018 – 2023

United States locations

U.S. sites
28
U.S. states
24
U.S. cities
28
Facility City State ZIP Site status
University of Alabama at Birmingham Birmingham Alabama 35233
Providence Alaska Medical Center Anchorage Alaska 99508
Arkansas Children's Hospital Little Rock Arkansas 72202
Children's Hospital Los Angeles Los Angeles California 90027
Children's Hospital Colorado Aurora Colorado 80045
Nemours/ Alfred I. duPont Hospital for Children Wilmington Delaware 19803
Johns Hopkins All Children's Hospital Outpatient Care Center St. Petersburg Florida 33701
Center for Advanced Pediatrics Atlanta Georgia 30329
St. Luke's CF Center of Idaho Boise Idaho 83702
Riley Hospital for Children Indiana University Health Indianapolis Indiana 46202
Boston Children's Hospital Boston Massachusetts 02115
Children's Hospital & Clinics of Minnesota Minneapolis Minnesota 55404
The Children's Mercy Hospital Kansas City Missouri 64108
Dartmouth Hitchcock Medical Center Manchester New Hampshire 03756
UBMD Pediatrics/ CF Center of Western New York Buffalo New York 14203
Columbia University Medical Center New York New York 10032
SUNY Upstate Medical University Syracuse New York 13202
Wake Forest Baptist Health Winston-Salem North Carolina 27157
Rainbow Babies and Children's Hospital/University Hospitals Cleveland Medical Center Cleveland Ohio 44106
Children's Hospital of Pittsburgh of UPMC Pittsburgh Pennsylvania 15224
Medical University of South Carolina (MUSC) Charleston South Carolina 29425
Sanford Children's Speciality Clinic Sioux Falls South Dakota 57105
Austin Children's Chest Associates Austin Texas 78723
Cook Children's Medical Center Fort Worth Texas 76104
Baylor College of Medicine Houston Texas 77030
Children's Hospital of The King's Daughters Norfolk Virginia 23507
Seattle Children's Hospital Seattle Washington 98105
Children's Hospital of Wisconsin Milwaukee Wisconsin 53226

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 27 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT03537651, 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 Apr 18, 2024 · Synced Jun 27, 2026

Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.

Open the official record

The complete protocol, eligibility criteria, and contact information for NCT03537651 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →