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Showing 1–12 of 12 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: VX-809 placebo Clear all
Completed Phase 3 Interventional Results available

A Study to Evaluate the Efficacy and Safety of Lumacaftor in Combination With Ivacaftor in Subjects With CF, Homozygous for the F508del-CFTR Mutation

NCT02514473
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
VX-809, Placebo, VX-770
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
6 Years to 11 Years
Enrollment
206 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
29
States / cities
Birmingham, Alabama • Los Angeles, California • Palo Alto, California + 26 more
Source: ClinicalTrials.gov public record
Updated Oct 22, 2017 · Synced Sep 15, 2026, 5:32 PM 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 15, 2026, 5:32 PM EDT
Completed Phase 3 Interventional Results available

A Study to Evaluate Safety, Efficacy, and Tolerability of TEZ/IVA in Orkambi® (Lumacaftor/Ivacaftor) -Experienced Subjects With Cystic Fibrosis (CF)

NCT03150719
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Tezacaftor/Ivacaftor, Ivacaftor, Placebo
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
12 Years and older
Enrollment
98 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
41
States / cities
Birmingham, Alabama • Phoenix, Arizona • Fresno, California + 34 more
Source: ClinicalTrials.gov public record
Updated Sep 11, 2019 · Synced Sep 15, 2026, 5:32 PM 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 15, 2026, 5:32 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 4, 2015 · Synced Sep 15, 2026, 5:32 PM 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 30, 2015 · Synced Sep 15, 2026, 5:32 PM 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 15, 2026, 5:32 PM EDT
Completed Phase 2 Interventional Results available

Study of VX-809 in Cystic Fibrosis Subjects With the ∆F508-CFTR Gene Mutation

NCT00865904
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
VX-809, Placebo
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
18 Years and older
Enrollment
93 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009
U.S. locations
18
States / cities
Birmingham, Alabama • Palo Alto, California • San Diego, California + 15 more
Source: ClinicalTrials.gov public record
Updated Aug 27, 2015 · Synced Sep 15, 2026, 5:32 PM 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 28, 2021 · Synced Sep 15, 2026, 5:32 PM 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 29, 2020 · Synced Sep 15, 2026, 5:32 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Drug-Drug Interaction Study of VX-770 and VX-809 in Healthy Subjects

NCT01216046
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
VX-809, VX-770, VX-809 placebo, VX-770 placebo
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
18 Years to 55 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Lenexa, Kansas
Source: ClinicalTrials.gov public record
Updated Jan 17, 2012 · Synced Sep 15, 2026, 5:32 PM 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 9, 2017 · Synced Sep 15, 2026, 5:32 PM EDT