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Completed Phase 3 Interventional Results available

A Study of Lumacaftor in Combination With Ivacaftor in Cystic Fibrosis Subjects Aged 12 Years and Older Who Are Homozygous for the F508del-CFTR Mutation

ClinicalTrials.gov ID: NCT01807923

Public ClinicalTrials.gov record NCT01807923. 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, 12:17 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, Randomized, Double Blind, Placebo Controlled, Parallel Group Study to Evaluate the Efficacy and Safety of Lumacaftor in Combination With Ivacaftor in Subjects Aged 12 Years and Older With Cystic Fibrosis, Homozygous for the F508del CFTR Mutation

Brief summary

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

The primary objective of the study was to evaluate the efficacy of lumacaftor in combination with ivacaftor at Week 24 in participants aged 12 years and older with cystic fibrosis (CF) who are homozygous for the F508del mutation on the CF transmembrane conductance regulator (CFTR) gene.

Study identification

NCT ID
NCT01807923
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Enrollment
559 participants

Conditions and interventions

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
Apr 30, 2013
Primary completion
Mar 31, 2014
Completion
Mar 31, 2014
Last update posted
Aug 30, 2015

2013 – 2014

United States locations

U.S. sites
48
U.S. states
28
U.S. cities
48
Facility City State ZIP Site status
Not listed Birmingham Alabama
Not listed Anchorage Alaska
Not listed Tucson Arizona
Not listed Little Rock Arkansas
Not listed Fresno California
Not listed La Jolla California
Not listed Loma Linda California
Not listed Long Beach California
Not listed Los Angeles California
Not listed Madera California
Not listed Oakland California
Not listed Palo Alto California
Not listed Denver Colorado
Not listed Gainsville Florida
Not listed Hollywood Florida
Not listed Orlando Florida
Not listed Tampa Florida
Not listed Atlanta Georgia
Not listed Boise Idaho
Not listed Chicago Illinois
Not listed Park Ridge Illinois
Not listed Peoria Illinois
Not listed Baltimore Maryland
Not listed Boston Massachusetts
Not listed Ann Arbor Michigan
Not listed Kansas City Missouri
Not listed Bedford New Hampshire
Not listed Lebanon New Hampshire
Not listed Long Branch New Jersey
Not listed Hawthorne New York
Not listed New York New York
Not listed Valhalla New York
Not listed Chapel Hill North Carolina
Not listed Durham North Carolina
Not listed Akron Ohio
Not listed Cincinnati Ohio
Not listed Dayton Ohio
Not listed Portland Oregon
Not listed Hershey Pennsylvania
Not listed Knoxville Tennessee
Not listed Austin Texas
Not listed Tyler Texas
Not listed Colchester Vermont
Not listed Charlottesville Virginia
Not listed Norfolk Virginia
Not listed Seattle Washington
Not listed Morgantown West Virginia
Not listed Madison 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 41 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT01807923, 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 Aug 30, 2015 · Synced Sep 2, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT01807923 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →