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Completed Phase 3 Interventional Results available

Study of Ivacaftor in Subjects With Cystic Fibrosis (CF) Who Have a Non-G551D CF Transmembrane Conductance Regulator (CFTR) Gating Mutation

ClinicalTrials.gov ID: NCT01614470

Public ClinicalTrials.gov record NCT01614470. 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, 1:53 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, Two-Part, Randomized, Double-Blind, Placebo-Controlled, Crossover Study With an Open-Label Period to Evaluate the Efficacy and Safety of Ivacaftor in Subjects With Cystic Fibrosis Who Have a Non-G551D CFTR Gating Mutation

Study identification

NCT ID
NCT01614470
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Enrollment
39 participants

Conditions and interventions

Interventions

  • Ivacaftor Drug
  • Placebo 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
Jun 30, 2012
Primary completion
Sep 30, 2013
Completion
Sep 30, 2013
Last update posted
Oct 28, 2014

2012 – 2013

United States locations

U.S. sites
8
U.S. states
8
U.S. cities
8
Facility City State ZIP Site status
Not listed Tampa Florida
Not listed Atlanta Georgia
Not listed Chicago Illinois
Not listed Boston Massachusetts
Not listed Ann Arbor Michigan
Not listed Minneapolis Minnesota
Not listed St Louis Missouri
Not listed Houston Texas

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 4 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT01614470, 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 Oct 28, 2014 · Synced Jun 26, 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 NCT01614470 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →