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Completed Phase 2 Interventional Results available

Pilot Study Testing the Effect of Ivacaftor on Lung Function in Subjects With Cystic Fibrosis and Residual CFTR Function

ClinicalTrials.gov ID: NCT01685801

Public ClinicalTrials.gov record NCT01685801. 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 Jul 23, 2026, 10:16 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 Pilot Study Testing the Effect of Ivacaftor on Lung Function in Subjects With Cystic Fibrosis, Residual CFTR Function, and FEV1 ≥40% Predicted

Study identification

NCT ID
NCT01685801
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Enrollment
24 participants

Conditions and interventions

Interventions

  • Ivacaftor Drug
  • Placebo-matched-to-ivacaftor tablet Drug

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
Aug 31, 2012
Primary completion
Mar 31, 2014
Completion
Mar 31, 2014
Last update posted
May 18, 2015

2012 – 2014

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
Not listed Denver Colorado

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT01685801, 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 May 18, 2015 · Synced Jul 23, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT01685801 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →