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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: ivacaftor Clear all
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 11, 2017 · Synced Sep 27, 2026, 9:56 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 6, 2015 · Synced Sep 27, 2026, 9:56 AM EDT
Completed Phase 3 Interventional Results available

A Phase 3 Study of Tezacaftor (VX-661) in Combination With Ivacaftor (VX-770) in Subjects Aged 12 Years and Older With Cystic Fibrosis (CF), Who Have One F508del-CFTR Mutation and a Second Mutation That Has Been Demonstrated to be Clinically Responsive to Ivacaftor

NCT02412111
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Ivacaftor, Tezacaftor/Ivacaftor
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
12 Years and older
Enrollment
156 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
33
States / cities
Birmingham, Alabama • Oakland, California • San Diego, California + 30 more
Source: ClinicalTrials.gov public record
Updated Jan 7, 2019 · Synced Sep 27, 2026, 9:56 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 26, 2018 · Synced Sep 27, 2026, 9:56 AM EDT
Completed Phase 3 Interventional Results available

A Study of VX-445 Combination Therapy in CF Subjects Homozygous for F508del (F/F)

NCT03525548
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
VX-445/TEZ/IVA, TEZ/IVA, IVA, Placebo
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
12 Years and older
Enrollment
113 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
28
States / cities
Tucson, Arizona • Little Rock, Arkansas • Long Beach, California + 24 more
Source: ClinicalTrials.gov public record
Updated Jan 26, 2020 · Synced Sep 27, 2026, 9:56 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 21, 2026 · Synced Sep 27, 2026, 9:56 AM EDT
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 22, 2024 · Synced Sep 27, 2026, 9:56 AM EDT
Completed No phase listed Observational

An Ocular Safety Study of Ivacaftor-Treated Pediatric Patients 11 Years of Age or Younger With Cystic Fibrosis

NCT01863238
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Ophthalmologic examinations, Ivacaftor Exposed
Other · Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
6 Years to 11 Years
Enrollment
95 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
38
States / cities
Birmingham, Alabama • Tucson, Arizona • Long Beach, California + 35 more
Source: ClinicalTrials.gov public record
Updated Aug 22, 2016 · Synced Sep 27, 2026, 9:56 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 8, 2026 · Synced Sep 27, 2026, 9:56 AM EDT
Completed Phase 3 Interventional Results available

A Phase 3 Rollover Study of Lumacaftor in Combination With Ivacaftor in Subjects 12 Years and Older With Cystic Fibrosis

NCT01931839
View directory record Official record
Conditions
Cystic Fibrosis, Homozygous or Heterozygous for the F508del-CFTR Mutation
Interventions
Lumacaftor Plus Ivacaftor Combination, Ivacaftor
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
12 Years and older
Enrollment
1,164 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
91
States / cities
Birmingham, Alabama • Anchorage, Alaska • Tucson, Arizona + 88 more
Source: ClinicalTrials.gov public record
Updated May 11, 2017 · Synced Sep 27, 2026, 9:56 AM EDT
Completed No phase listed Observational

A Prospective Study to Evaluate Biological and Clinical Effects of Significantly Corrected CFTR Function

NCT04038047
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Not listed
Lead sponsor
Nicole Hamblett
Other
Eligibility
12 Years and older
Enrollment
490 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
56
States / cities
Birmingham, Alabama • Anchorage, Alaska • Little Rock, Arkansas + 47 more
Source: ClinicalTrials.gov public record
Updated Jan 27, 2025 · Synced Sep 27, 2026, 9:56 AM EDT
Recruiting No phase listed Observational

Sinus Disease in Young Children With Cystic Fibrosis

NCT06191640
View directory record Official record
Conditions
Cystic Fibrosis in Children, Cystic Fibrosis, Chronic Rhinosinusitis (Diagnosis), Olfactory Disorder, Olfactory Impairment
Interventions
Ivacaftor or elexacaftor/tezacaftor/ivacaftor
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
2 Years to 8 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2029
U.S. locations
6
States / cities
Aurora, Colorado • Iowa City, Iowa • Kansas City, Kansas + 3 more
Source: ClinicalTrials.gov public record
Updated Sep 9, 2026 · Synced Sep 27, 2026, 9:56 AM EDT
Completed Phase 3 Interventional Results available

Evaluation of Long-term Safety and Efficacy of ELX/TEZ/IVA TC Combination Therapy in Participants With Cystic Fibrosis Who Are 6 Years of Age and Older

NCT04183790
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
ELX/TEZ/IVA, IVA
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
6 Years and older
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
13
States / cities
Orange, California • Aurora, Colorado • Chicago, Illinois + 10 more
Source: ClinicalTrials.gov public record
Updated May 17, 2025 · Synced Sep 27, 2026, 9:56 AM EDT
Completed Phase 3 Interventional Results available

Study of Lumacaftor in Combination With Ivacaftor in Subjects 6 Through 11 Years of Age With Cystic Fibrosis, Homozygous for the F508del-CFTR Mutation

NCT01897233
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Lumacaftor, Ivacaftor
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
6 Years to 11 Years
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
19
States / cities
Birmingham, Alabama • Tucson, Arizona • Long Beach, California + 16 more
Source: ClinicalTrials.gov public record
Updated Jun 19, 2017 · Synced Sep 27, 2026, 9:56 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 26, 2016 · Synced Sep 27, 2026, 9:56 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 11, 2018 · Synced Sep 27, 2026, 9:56 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 16, 2022 · Synced Sep 27, 2026, 9:56 AM EDT
Completed Phase 3 Interventional Results available

Study of Ivacaftor in Subjects With Cystic Fibrosis (CF) Who Have the R117H-CF Transmembrane Conductance Regulator (CFTR) Mutation (KONDUCT)

NCT01614457
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Ivacaftor, Placebo
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
6 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
29
States / cities
Birmingham, Alabama • Palo Alto, California • Hartford, Connecticut + 26 more
Source: ClinicalTrials.gov public record
Updated Feb 11, 2015 · Synced Sep 27, 2026, 9:56 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 18, 2015 · Synced Sep 27, 2026, 9:56 AM EDT
Completed Phase 3 Interventional Results available

A Randomized, Double-Blind, Placebo-Controlled, Parallel-Group Study to Evaluate the Efficacy and Safety of VX-661 in Combination With Ivacaftor

NCT02347657
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
VX-661 Plus Ivacaftor Combination, Ivacaftor, VX-661 Plus Ivacaftor Combination Placebo, Ivacaftor placebo
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
12 Years and older
Enrollment
510 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
27
States / cities
Little Rock, Arkansas • Long Beach, California • Denver, Colorado + 24 more
Source: ClinicalTrials.gov public record
Updated Jun 11, 2018 · Synced Sep 27, 2026, 9:56 AM EDT
Completed Phase 3 Interventional Results available

Safety and Pharmacokinetic Study of Lumacaftor/Ivacaftor in Subjects Aged 2 Through 5 Years With Cystic Fibrosis, Homozygous for F508del

NCT02797132
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
LUM/IVA
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
2 Years to 5 Years
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
17
States / cities
Palo Alto, California • Aurora, Colorado • Chicago, Illinois + 14 more
Source: ClinicalTrials.gov public record
Updated Oct 29, 2018 · Synced Sep 27, 2026, 9:56 AM EDT
Completed Phase 3 Interventional Results available

Long-term Safety of Lumacaftor/Ivacaftor in Participants With Cystic Fibrosis Who Are Homozygous for F508del and 12 to <24 Months of Age at Treatment Initiation

NCT04235140
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
LUM/IVA
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
12 Months and older
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
20
States / cities
Birmingham, Alabama • Little Rock, Arkansas • Aurora, Colorado + 17 more
Source: ClinicalTrials.gov public record
Updated Sep 18, 2024 · Synced Sep 27, 2026, 9:56 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 30, 2014 · Synced Sep 27, 2026, 9:56 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 23, 2021 · Synced Sep 27, 2026, 9:56 AM EDT