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ClinicalTrials.gov public records Last synced Oct 7, 2026, 2:52 AM EDT

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Showing 25–48 of 110 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Ivacaftor (VX-770) Clear all
Completed No phase listed Observational

Clinical Outcomes of Triple Combination Therapy in Severe Cystic Fibrosis Disease.

NCT04038710
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Triple combination therapy
Drug
Lead sponsor
National Jewish Health
Other
Eligibility
12 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Mar 11, 2021 · Synced Oct 7, 2026, 2:52 AM EDT
Completed Phase 3 Interventional Results available

A Phase 3 Study of VX-121 Combination Therapy in Participants With Cystic Fibrosis (CF) Heterozygous for F508del and a Minimal Function Mutation (F/MF)

NCT05033080
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
VX-121/TEZ/D-IVA, ELX/TEZ/IVA, IVA, Placebo (matched to VX-121/TEZ/D-IVA), Placebo (matched to ELX/TEZ/IVA), Placebo (matched to IVA)
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
12 Years and older
Enrollment
435 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
69
States / cities
Birmingham, Alabama • Tucson, Arizona • Little Rock, Arkansas + 61 more
Source: ClinicalTrials.gov public record
Updated Oct 3, 2024 · Synced Oct 7, 2026, 2:52 AM EDT
Completed Phase 3 Interventional Results available

A Study of VX-121 Combination Therapy in Participants With Cystic Fibrosis (CF) Who Are Homozygous for F508del, Heterozygous for F508del and a Gating (F/G) or Residual Function (F/RF) Mutation, or Have At Least 1 Other Triple Combination Responsive (TCR) CFTR Mutation and No F508del Mutation

NCT05076149
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
VX-121/TEZ/D-IVA, ELX/TEZ/IVA, IVA, Placebo (matched to VX-121/TEZ/D-IVA), Placebo (matched to ELX/TEZ/IVA), Placebo (matched to IVA)
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
12 Years and older
Enrollment
597 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
62
States / cities
Birmingham, Alabama • Tucson, Arizona • Little Rock, Arkansas + 55 more
Source: ClinicalTrials.gov public record
Updated Jun 13, 2024 · Synced Oct 7, 2026, 2:52 AM EDT
Completed Phase 2 Interventional Results available

Study of the Effect of VX-770 on Hyperpolarized Helium-3 Magnetic Resonance Imaging in Subjects With Cystic Fibrosis and the G551D Mutation

NCT01161537
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
VX-770, Placebo
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
12 Years and older
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Jul 31, 2014 · Synced Oct 7, 2026, 2:52 AM EDT
Terminated Phase 2 Interventional Results available

Study to Evaluate the Safety and Efficacy of CTP-656 in Patients With Cystic Fibrosis With CFTR Gating Mutations

NCT02971839
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
VX-561, Placebo, IVA
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
14
States / cities
Los Angeles, California • Palo Alto, California • Washington D.C., District of Columbia + 11 more
Source: ClinicalTrials.gov public record
Updated Aug 26, 2020 · Synced Oct 7, 2026, 2:52 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study Assessing the Safety, Tolerability, Pharmacokinetics, Food Effect, and Drug-Drug Interactions of PTI-801 in Healthy Volunteers, and Safety, Tolerability, and Pharmacokinetics of PTI-801 in Subjects With Cystic Fibrosis

NCT03140527
View directory record Official record
Conditions
Healthy Volunteer, Cystic Fibrosis
Interventions
PTI-801, Placebo, PTI-808
Drug
Lead sponsor
Proteostasis Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
171 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
33
States / cities
Birmingham, Alabama • Anchorage, Alaska • Stanford, California + 28 more
Source: ClinicalTrials.gov public record
Updated Apr 30, 2020 · Synced Oct 7, 2026, 2:52 AM EDT
Completed Phase 3 Interventional Results available

A Rollover Safety Study of Lumacaftor/Ivacaftor in Subjects Aged 2 Years and Older With Cystic Fibrosis, Homozygous for the F508del-CFTR Mutation

NCT03125395
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
LUM/IVA
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
2 Years and older
Enrollment
57 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
17
States / cities
Palo Alto, California • Aurora, Colorado • Chicago, Illinois + 14 more
Source: ClinicalTrials.gov public record
Updated Aug 7, 2020 · Synced Oct 7, 2026, 2:52 AM EDT
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

NCT01685801
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Ivacaftor, Placebo-matched-to-ivacaftor tablet
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
12 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated May 19, 2015 · Synced Oct 7, 2026, 2:52 AM EDT
Active, not recruiting No phase listed Observational

Ivacaftor for Acquired CFTR Dysfunction in Chronic Rhinosinusitis (EDSPD Protocol)

NCT02997020
View directory record Official record
Conditions
CRS
Interventions
EDSPD
Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2027
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Apr 22, 2026 · Synced Oct 7, 2026, 2:52 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study of VX-770 and Rifampin in Healthy Male Subjects

NCT01018368
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
VX-770, Rifampin
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
18 Years to 55 Years · Male only
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
Daytona Beach, Florida
Source: ClinicalTrials.gov public record
Updated May 10, 2010 · Synced Oct 7, 2026, 2:52 AM EDT
Completed Phase 3 Interventional Results available

Rollover Study of VX-770 in Cystic Fibrosis Subjects

NCT01117012
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Ivacaftor
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
6 Years and older
Enrollment
192 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
36
States / cities
Birmingham, Alabama • Oakland, California • Palo Alto, California + 33 more
Source: ClinicalTrials.gov public record
Updated Jul 7, 2015 · Synced Oct 7, 2026, 2:52 AM EDT
Completed Phase 3 Interventional Results available

A Phase 3 Study of VX-659 Combination Therapy in Subjects With Cystic Fibrosis Heterozygous for the F508del Mutation and a Minimal Function Mutation (F/MF)

NCT03447249
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
VX-659/TEZ/IVA, IVA, Placebo
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
12 Years and older
Enrollment
385 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
48
States / cities
Birmingham, Alabama • Palo Alto, California • Aurora, Colorado + 44 more
Source: ClinicalTrials.gov public record
Updated Mar 13, 2020 · Synced Oct 7, 2026, 2:52 AM EDT
Completed Phase 3 Interventional Results available

Rollover Study of Ivacaftor in Subjects With Cystic Fibrosis and a Non G551D CFTR Mutation

NCT01707290
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Ivacaftor
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
6 Years and older
Enrollment
125 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
33
States / cities
Birmingham, Alabama • Palo Alto, California • Denver, Colorado + 30 more
Source: ClinicalTrials.gov public record
Updated May 12, 2017 · Synced Oct 7, 2026, 2:52 AM EDT
Completed Phase 3 Interventional Results available

Study of Ivacaftor in Cystic Fibrosis Subjects Aged 6 to 11 Years With the G551D Mutation

NCT00909727
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Ivacaftor, Placebo
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
6 Years to 11 Years
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
17
States / cities
Birmingham, Alabama • Atlanta, Georgia • Chicago, Illinois + 13 more
Source: ClinicalTrials.gov public record
Updated Aug 21, 2012 · Synced Oct 7, 2026, 2:52 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study of VX-770 on Midazolam and Rosiglitazone and the Effect of Fluconazole on VX-770

NCT01060566
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
VX-770
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
18 Years to 55 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Daytona Beach, Florida
Source: ClinicalTrials.gov public record
Updated Apr 16, 2010 · Synced Oct 7, 2026, 2:52 AM EDT
Completed Phase 4 Interventional

Trikafta for Patients With Non-cystic Fibrosis Bronchiectasis

NCT05743946
View directory record Official record
Conditions
Non-cystic Fibrosis Bronchiectasis
Interventions
Trikafta
Drug
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Feb 9, 2026 · Synced Oct 7, 2026, 2:52 AM EDT
Active, not recruiting No phase listed Observational

Ivacaftor Impact in an Adolescent Without a Cystic Fibrosis-Associated CFTR (Cystic Fibrosis Transmembrane Conductance Regulator) Mutation for Chronic Pancreatitis: Single-Patient Study Tracking Flare Frequency and Health Data Compared to Historical Records.

NCT07022327
View directory record Official record
Conditions
Chronic Pancreatitis
Interventions
Ivacaftor 150 MG (milligrams)
Drug
Lead sponsor
Mission: Cure
Other
Eligibility
Not listed
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jun 15, 2025 · Synced Oct 7, 2026, 2:52 AM EDT
Terminated Phase 2 Interventional Results available

Study of Ivacaftor in Cystic Fibrosis Subjects Aged 12 Years and Older Homozygous for the F508del-CFTR Mutation

NCT00953706
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Ivacaftor, Placebo
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
12 Years and older
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
34
States / cities
Birmingham, Alabama • Anchorage, Alaska • Oakland, California + 30 more
Source: ClinicalTrials.gov public record
Updated Sep 11, 2015 · Synced Oct 7, 2026, 2:52 AM EDT
Terminated Phase 3 Interventional Results available

A Study Evaluating the Long Term Safety and Efficacy of VX-659 Combination Therapy

NCT03447262
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
VX-659/TEZ/IVA, IVA
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
12 Years and older
Enrollment
484 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
48
States / cities
Birmingham, Alabama • Palo Alto, California • Aurora, Colorado + 44 more
Source: ClinicalTrials.gov public record
Updated Jan 25, 2022 · Synced Oct 7, 2026, 2:52 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

A Study of VX-445 in Healthy Subjects and Subjects With Cystic Fibrosis

NCT03227471
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
IVA, TEZ/IVA, VX-445, Matched Placebo, TEZ, VX-561
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
18 Years and older
Enrollment
225 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
26
States / cities
Tucson, Arizona • Little Rock, Arkansas • Madera, California + 23 more
Source: ClinicalTrials.gov public record
Updated Jan 18, 2022 · Synced Oct 7, 2026, 2:52 AM EDT
Completed Not applicable Interventional

The Impact of Patch Rx Technologies on Adherence to Vitamin and Trikafta Therapies in Patients With Cystic Fibrosis

NCT04684823
View directory record Official record
Conditions
Cystic Fibrosis, Adherence, Medication
Interventions
Patch Cap, Patch App
Device
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
12 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jan 4, 2022 · Synced Oct 7, 2026, 2:52 AM EDT
Completed Phase 3 Interventional Results available

Rollover Study to Evaluate the Safety and Efficacy of Long-term Treatment With Lumacaftor in Combination With Ivacaftor

NCT02544451
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
LUM/IVA
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
6 Years and older
Enrollment
246 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
37
States / cities
Birmingham, Alabama • Tucson, Arizona • Long Beach, California + 34 more
Source: ClinicalTrials.gov public record
Updated May 24, 2021 · Synced Oct 7, 2026, 2:52 AM EDT
Completed Phase 2 Interventional Results available

Safety Study of Ivacaftor in Subjects With Cystic Fibrosis

NCT00457821
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Ivacaftor 25 mg/75 mg, Ivacaftor 75 mg/150 mg, Ivacaftor 150 mg or 250 mg, Placebo
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
18 Years and older
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
13
States / cities
Birmingham, Alabama • Palo Alto, California • Aurora, Colorado + 9 more
Source: ClinicalTrials.gov public record
Updated Oct 5, 2012 · Synced Oct 7, 2026, 2:52 AM EDT
Completed No phase listed Observational

Energy Balance and Weight Gain With Ivacaftor Treatment

NCT02141464
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Not listed
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
6 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 19, 2017 · Synced Oct 7, 2026, 2:52 AM EDT