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ClinicalTrials.gov public records Last synced Oct 8, 2026, 6:54 AM EDT

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Showing 49–72 of 110 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Ivacaftor (VX-770) Clear all
Completed Phase 3 Interventional Results available

A Study to Evaluate the Safety of Long-term Ivacaftor Treatment in Participants With Cystic Fibrosis Who Are Less Than 24 Months of Age at Treatment Initiation and Have an Approved Ivacaftor-Responsive Mutation

NCT03277196
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
IVA
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
0 Months to 24 Months
Enrollment
86 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
17
States / cities
Birmingham, Alabama • Palo Alto, California • Wilmington, Delaware + 14 more
Source: ClinicalTrials.gov public record
Updated Oct 23, 2024 · Synced Oct 8, 2026, 6:54 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Phase 1 Study to Examine the Drug-Drug Interaction of Ciprofloxacin, Itraconazole, and Rifampin on the Combination of Lumacaftor With Ivacaftor in Healthy Adult Subjects

NCT01768663
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Lumacaftor, Ivacaftor, Ciprofloxacin, Itraconazole, Rifampin
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
18 Years to 55 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2013
U.S. locations
1
States / cities
Evansville, Indiana
Source: ClinicalTrials.gov public record
Updated Nov 15, 2013 · Synced Oct 8, 2026, 6:54 AM EDT
Completed Phase 4 Interventional Results available

Evaluation of Ivacaftor in Patients Using Ataluren for Nonsense Mutations

NCT03256799
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Ivacaftor/Ataluren
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
19 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jul 19, 2019 · Synced Oct 8, 2026, 6:54 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 8, 2026, 6:54 AM EDT
Recruiting Early Phase 1 Interventional

Ivacaftor for Acquired CFTR Dysfunction in Chronic Rhinosinusitis

NCT03439865
View directory record Official record
Conditions
Chronic Rhinosinusitis (Diagnosis)
Interventions
Ivacaftor, standard of care treatment
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2027
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Apr 22, 2026 · Synced Oct 8, 2026, 6:54 AM EDT
Completed Phase 2 Interventional Results available

The Topic Trial - Study to Determine the Safety and Efficacy of Ivacaftor

NCT03085485
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease, Chronic Bronchitis
Interventions
Ivacaftor 150 MG, Placebo
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
40 Years to 80 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Dec 12, 2024 · Synced Oct 8, 2026, 6:54 AM EDT
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 8, 2026, 6:54 AM EDT
Completed Phase 3 Interventional Results available

A Study of VX-659 Combination Therapy in CF Subjects Homozygous for F508del (F/F)

NCT03460990
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
VX-659/TEZ/IVA, TEZ/IVA, IVA, Placebo
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
12 Years and older
Enrollment
116 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
28
States / cities
Birmingham, Alabama • New Haven, Connecticut • Miami, Florida + 25 more
Source: ClinicalTrials.gov public record
Updated Oct 17, 2019 · Synced Oct 8, 2026, 6:54 AM EDT
Completed Phase 2 Interventional Results available

Study of the Effect of Ivacaftor on Lung Clearance Index in Subjects With Cystic Fibrosis and the G551D Mutation

NCT01262352
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Ivacaftor, Placebo
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
6 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
4
States / cities
Stanford, California • Iowa City, Iowa • Durham, North Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated Feb 11, 2013 · Synced Oct 8, 2026, 6:54 AM EDT
Completed Phase 2 Interventional Results available

A Study to Evaluate the Safety and Efficacy of VX-371 in Subjects With Cystic Fibrosis Who Are Homozygous for the F508del-CFTR Mutation

NCT02709109
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
VX-371 + HS, Hypertonic saline, Placebo, Orkambi, VX-371
Drug
Lead sponsor
Parion Sciences
Industry
Eligibility
12 Years and older
Enrollment
147 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
30
States / cities
Little Rock, Arkansas • Oakland, California • Gainesville, Florida + 27 more
Source: ClinicalTrials.gov public record
Updated Jul 29, 2021 · Synced Oct 8, 2026, 6:54 AM EDT
Completed Phase 2 Interventional

Study of Cavosonstat (N91115) in Patients With CF Homozygous for the F508del-CFTR Mutation

NCT02589236
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Cavosonstat, Placebo
Drug
Lead sponsor
Nivalis Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
138 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
46
States / cities
Birmingham, Alabama • Tucson, Arizona • Los Angeles, California + 42 more
Source: ClinicalTrials.gov public record
Updated Jan 10, 2017 · Synced Oct 8, 2026, 6:54 AM EDT
Active, not recruiting Phase 2 Interventional Accepts healthy volunteers

A Phase 2 Study Evaluating Safety and Tolerability of RCT2100 (CFTR mRNA) in Healthy Participants and in Participants With CF

NCT06237335
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
RCT2100, Placebo, Ivacaftor
Drug · Other
Lead sponsor
ReCode Therapeutics
Industry
Eligibility
18 Years to 60 Years
Enrollment
128 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
13
States / cities
Birmingham, Alabama • Tucson, Arizona • Palo Alto, California + 10 more
Source: ClinicalTrials.gov public record
Updated Aug 19, 2026 · Synced Oct 8, 2026, 6:54 AM EDT
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

NCT01807949
View directory record Official record
Conditions
Cystic Fibrosis, Homozygous for the F508del CFTR Mutation
Interventions
Placebo, Lumacaftor Plus Ivacaftor Combination, Ivacaftor
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
12 Years to 65 Years
Enrollment
563 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
46
States / cities
Oakland, California • Sacramento, California • Aurora, Colorado + 43 more
Source: ClinicalTrials.gov public record
Updated Sep 27, 2016 · Synced Oct 8, 2026, 6:54 AM EDT
Withdrawn Phase 4 Interventional

VX-770 for the Treatment of Chronic Bronchitis

NCT03251911
View directory record Official record
Conditions
Chronic Bronchitis
Interventions
Ivacaftor (VX-770)
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Feb 17, 2022 · Synced Oct 8, 2026, 6:54 AM EDT
Completed Phase 2 Interventional Results available

A Phase 2 Study to Evaluate Effects of VX-661/Ivacaftor on Lung and Extrapulmonary Systems in Subjects With Cystic Fibrosis, Homozygous for the F508del-CFTR Mutation

NCT02508207
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Tezacaftor/Ivacaftor, Ivacaftor, Tezacaftor/Ivacaftor matching placebo, Ivacaftor matching placebo
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
18 Years and older
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
7
States / cities
Birmingham, Alabama • Indianapolis, Indiana • Baltimore, Maryland + 4 more
Source: ClinicalTrials.gov public record
Updated Jul 19, 2021 · Synced Oct 8, 2026, 6:54 AM EDT
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

NCT01807923
View directory record Official record
Conditions
Cystic Fibrosis, Homozygous for the F508del CFTR Mutation
Interventions
Lumacaftor Plus Ivacaftor Combination, Ivacaftor, Placebo
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
12 Years and older
Enrollment
559 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
48
States / cities
Birmingham, Alabama • Anchorage, Alaska • Tucson, Arizona + 45 more
Source: ClinicalTrials.gov public record
Updated Aug 31, 2015 · Synced Oct 8, 2026, 6:54 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 8, 2026, 6:54 AM EDT
Completed Not applicable Interventional Results available

Short Term Effects of Ivacaftor in Non-G551D Cystic Fibrosis Patients

NCT01784419
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
ivacaftor, Placebo
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
6 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Sep 29, 2020 · Synced Oct 8, 2026, 6:54 AM EDT
Terminated Phase 4 Interventional Results available

A Pilot Study to Evaluate the Use of Smart Adherence Technology to Measure Lumacaftor/Ivacaftor Adherence in CF Subjects Homozygous for the F508del CFTR Mutation

NCT02823470
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
LUM/IVA, activated smart device, de-activated smart device
Drug · Device
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
16 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
7
States / cities
Hartford, Connecticut • Washington D.C., District of Columbia • Orlando, Florida + 4 more
Source: ClinicalTrials.gov public record
Updated Sep 27, 2018 · Synced Oct 8, 2026, 6:54 AM EDT
Completed Phase 3 Interventional Results available

A Study to Evaluate the Safety, Pharmacokinetics, and Pharmacodynamics of Ivacaftor in Subjects With Cystic Fibrosis Who Are Less Than 24 Months of Age and Have an Ivacaftor-Responsive CFTR Mutation

NCT02725567
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
IVA
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
1 Month to 24 Months
Enrollment
57 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
13
States / cities
Birmingham, Alabama • Palo Alto, California • Atlanta, Georgia + 10 more
Source: ClinicalTrials.gov public record
Updated Sep 7, 2023 · Synced Oct 8, 2026, 6:54 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 8, 2026, 6:54 AM EDT
Recruiting Phase 4 Interventional

Ensuring Access to Optimal Therapy in CF: The ENACT Study

NCT07148739
View directory record Official record
Conditions
Cystic Fibrosis (CF)
Interventions
Elexacaftor / Ivacaftor / Tezacaftor, therapeutic drug monitoring
Drug · Other
Lead sponsor
Arkansas Children's Hospital Research Institute
Other
Eligibility
3 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
3
States / cities
Birmingham, Alabama • Little Rock, Arkansas • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jun 2, 2026 · Synced Oct 8, 2026, 6:54 AM EDT
Completed Phase 3 Interventional Results available

A Study to Evaluate the Efficacy and Safety of VX-661 in Combination With Ivacaftor in Subjects Aged 12 Years and Older With Cystic Fibrosis, Heterozygous for the F508del-CFTR Mutation

NCT02516410
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
VX-661 plus ivacaftor combination, Ivacaftor, Placebo (matched to VX-661 plus ivacaftor combination), Placebo (matched to ivacaftor)
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
12 Years and older
Enrollment
168 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
22
States / cities
Birmingham, Alabama • La Jolla, California • Los Angeles, California + 19 more
Source: ClinicalTrials.gov public record
Updated Jun 12, 2018 · Synced Oct 8, 2026, 6:54 AM EDT
Completed Phase 3 Interventional Results available

A Phase 3 Study to Evaluate the Efficacy and Safety of Ivacaftor and VX-661 in Combination With Ivacaftor in Subjects Aged 12 Years and Older With Cystic Fibrosis, Heterozygous for the F508del-cystic Fibrosis Transmembrane Conductance Regulator (CFTR) Mutation

NCT02392234
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
VX-661/Ivacaftor, Ivacaftor, Placebo matched to VX-661/ ivacaftor, Placebo matched to Ivacaftor
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
12 Years and older
Enrollment
248 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
47
States / cities
Birmingham, Alabama • Phoenix, Arizona • Tucson, Arizona + 44 more
Source: ClinicalTrials.gov public record
Updated Jun 12, 2018 · Synced Oct 8, 2026, 6:54 AM EDT