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Completed Phase 3 Interventional Results available

A Study to Evaluate the Safety and Efficacy of Long Term Treatment With VX-661 in Combination With Ivacaftor in Participants With Cystic Fibrosis Who Have an F508del-CFTR Mutation

ClinicalTrials.gov ID: NCT02565914

Public ClinicalTrials.gov record NCT02565914. 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 2, 2026, 2:08 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, Open-label, Rollover Study to Evaluate the Safety and Efficacy of Long Term Treatment With VX-661 in Combination With Ivacaftor in Subjects Aged 12 Years and Older With Cystic Fibrosis, Homozygous or Heterozygous for the F508del-CFTR Mutation

Brief summary

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

This is a Phase 3, multicenter, open-label, 3-part rollover study in subjects with CF who are homozygous or heterozygous for the F508del-CFTR mutation and who participated in studies VX13-661-103 (Study 103, NCT02070744), VX14-661-106 (Study 106, NCT02347657), VX14-661-107 (Study 107, NCT02516410), VX14-661-108 (Study 108, NCT02392234), VX14-661-109 (Study 109, NCT02412111), VX14-661-111 (Study 111, NCT02508207), VX15-661-112 (NCT02730208), and VX16-661-114 (NCT03150719). The study is designed to evaluate the safety and efficacy of long-term treatment of VX-661 in combination with ivacaftor.

Study identification

NCT ID
NCT02565914
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Enrollment
1,131 participants

Conditions and interventions

Interventions

Drug

Eligibility (public fields only)

Age range
12 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
Jul 31, 2015
Primary completion
Apr 30, 2019
Completion
Dec 4, 2022
Last update posted
Sep 27, 2023

2015 – 2022

United States locations

U.S. sites
69
U.S. states
36
U.S. cities
69
Facility City State ZIP Site status
Not listed Birmingham Alabama
Not listed Tucson Arizona
Not listed Little Rock Arkansas
Not listed Long Beach California
Not listed Los Angeles California
Not listed Oakland California
Not listed Palo Alto California
Not listed Sacramento California
Not listed San Diego California
Not listed Aurora Colorado
Not listed Denver Colorado
Not listed Gainesville Florida
Not listed Miami Florida
Not listed Orlando Florida
Not listed Pensacola Florida
Not listed Tampa Florida
Not listed Atlanta Georgia
Not listed Boise Idaho
Not listed Chicago Illinois
Not listed Glenview Illinois
Not listed Niles Illinois
Not listed Peoria Illinois
Not listed Indianapolis Indiana
Not listed Iowa City Iowa
Not listed Lexington Kentucky
Not listed New Orleans Louisiana
Not listed Baltimore Maryland
Not listed Boston Massachusetts
Not listed Ann Arbor Michigan
Not listed Detroit Michigan
Not listed Minneapolis Minnesota
Not listed Kansas City Missouri
Not listed St Louis Missouri
Not listed Omaha Nebraska
Not listed Lebanon New Hampshire
Not listed Long Branch New Jersey
Not listed New Brunswick New Jersey
Not listed Albuquerque New Mexico
Not listed Albany New York
Not listed Buffalo New York
Not listed New Hyde Park New York
Not listed New York New York
Not listed Rochester New York
Not listed Syracuse New York
Not listed Chapel Hill North Carolina
Not listed Akron Ohio
Not listed Cincinnati Ohio
Not listed Cleveland Ohio
Not listed Columbus Ohio
Not listed Toledo Ohio
Not listed Oklahoma City Oklahoma
Not listed Portland Oregon
Not listed Philadelphia Pennsylvania
Not listed Pittsburgh Pennsylvania
Not listed Charleston South Carolina
Not listed Sioux Falls South Dakota
Not listed Knoxville Tennessee
Not listed Memphis Tennessee
Not listed Nashville Tennessee
Not listed Austin Texas
Not listed Dallas Texas
Not listed Fort Worth Texas
Not listed Houston Texas
Not listed Tyler Texas
Not listed Salt Lake City Utah
Not listed Seattle Washington
Not listed Spokane Washington
Not listed Morgantown West Virginia
Not listed Milwaukee Wisconsin

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 85 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT02565914, 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 Sep 27, 2023 · Synced Sep 2, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT02565914 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →