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ClinicalTrials.gov public records Last synced Oct 7, 2026, 6:34 PM EDT

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Showing 1–4 of 4 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Ivacaftor 150 mg or 250 mg Clear all
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, 6:34 PM 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, 6:34 PM 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, 6:34 PM EDT
Completed Phase 2 Interventional Results available

Study of VX-809 Alone and in Combination With VX-770 in Cystic Fibrosis (CF) Patients Homozygous or Heterozygous for the F508del-CFTR Mutation

NCT01225211
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Lumacaftor, Ivacaftor, Lumacaftor Placebo, Ivacaftor Placebo
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
18 Years and older
Enrollment
312 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
38
States / cities
Birmingham, Alabama • Anchorage, Alaska • La Jolla, California + 35 more
Source: ClinicalTrials.gov public record
Updated Oct 5, 2015 · Synced Oct 7, 2026, 6:34 PM EDT