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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 Oct 24, 2026, 6:28 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

Brief summary

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

This study is a multiple within participant crossover study to evaluate the effect of ivacaftor on lung function in participants aged 12 years and older with cystic fibrosis (CF) who have phenotypic or molecular evidence of residual CF transmembrane conductance regulator (CFTR) function.

Study identification

NCT ID
NCT01685801
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Enrollment
24 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
Sep 2012 (Type not available)
Primary completion
Apr 2014 (Actual)
Completion
Apr 2014 (Actual)
Last update posted
May 19, 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 19, 2015 · Synced Oct 24, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT01685801 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →