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ClinicalTrials.gov public records Last synced Oct 10, 2026, 1:56 PM EDT

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Showing 25–48 of 215 matching trials from the live ClinicalTrials.gov search.
Filters: Sponsor: Vertex Pharmaceuticals Incorporated Clear all
Recruiting No phase listed Observational

Establishing Biomarkers and Clinical Endpoints in Myotonic Dystrophy Type 1 (END-DM1) Extension

NCT07700225
View directory record Official record
Conditions
DM1, Myotonic Dystrophy, Myotonic Dystrophy 1, Myotonic Dystrophy Type 1, Myotonic Dystrophy Type-1, Myotonic Dystrophy, Type 1 (DM1), Myotonic Muscular Dystrophy
Interventions
Not listed
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years to 70 Years
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2032
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Sep 4, 2026 · Synced Oct 10, 2026, 1:56 PM EDT
Completed Phase 3 Interventional

Evaluation of Long-term Safety and Efficacy of ELX/TEZ/IVA in Cystic Fibrosis (CF) Participants 2 Years and Older

NCT05153317
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
ELX/TEZ/IVA, IVA
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
2 Years and older
Enrollment
71 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
13
States / cities
Tucson, Arizona • Palo Alto, California • Aurora, Colorado + 10 more
Source: ClinicalTrials.gov public record
Updated Mar 3, 2026 · Synced Oct 10, 2026, 1:56 PM EDT
Completed Phase 2 Interventional Results available

Evaluation of the Efficacy and Safety of VX-864 in Subjects With the PiZZ Genotype

NCT04474197
View directory record Official record
Conditions
Alpha1-Antitrypsin Deficiency
Interventions
VX-864, Placebo
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
18 Years to 80 Years
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
22
States / cities
Birmingham, Alabama • Los Angeles, California • Sacramento, California + 19 more
Source: ClinicalTrials.gov public record
Updated May 26, 2022 · Synced Oct 10, 2026, 1:56 PM EDT
Terminated Phase 2Phase 3 Interventional Results available

Study to Assess the Efficacy and Safety of VX-210 in Subjects With Acute Traumatic Cervical Spinal Cord Injury

NCT02669849
View directory record Official record
Conditions
Cervical Spinal Cord Injury
Interventions
VX-210, Placebo
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
14 Years to 75 Years
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
33
States / cities
Birmingham, Alabama • Tucson, Arizona • Fresno, California + 30 more
Source: ClinicalTrials.gov public record
Updated Jan 22, 2020 · Synced Oct 10, 2026, 1:56 PM EDT
Completed Phase 2Phase 3 Interventional

A Phase 2/3 Open-label Extension Study to Evaluate Long-Term Safety and Efficacy With VX-509 in Subjects With Rheumatoid Arthritis

NCT01830985
View directory record Official record
Conditions
Rheumatoid Arthritis
Interventions
VX-509
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
18 Years to 65 Years
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
18
States / cities
Upland, California • Fort Lauderdale, Florida • Venice, Florida + 15 more
Source: ClinicalTrials.gov public record
Updated Nov 20, 2015 · Synced Oct 10, 2026, 1:56 PM EDT
Completed Phase 3 Interventional Results available

Roll-Over Study of Ivacaftor in Cystic Fibrosis Pediatric Subjects With a CF Transmembrane Conductance Regulator Gene (CFTR) Gating Mutation

NCT01946412
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Ivacaftor
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
2 Years and older
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
12
States / cities
Birmingham, Alabama • Denver, Colorado • Atlanta, Georgia + 9 more
Source: ClinicalTrials.gov public record
Updated Feb 1, 2017 · Synced Oct 10, 2026, 1:56 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 12, 2017 · Synced Oct 10, 2026, 1:56 PM 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 12, 2018 · Synced Oct 10, 2026, 1:56 PM EDT
Active, not recruiting Phase 1Phase 2 Interventional

A Safety, Tolerability, and Efficacy Study of VX-264 in Participants With Type 1 Diabetes

NCT05791201
View directory record Official record
Conditions
Type 1 Diabetes
Interventions
VX-264
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
18 Years to 65 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
6
States / cities
Miami, Florida • Chicago, Illinois • Boston, Massachusetts + 3 more
Source: ClinicalTrials.gov public record
Updated Oct 9, 2026 · Synced Oct 10, 2026, 1:56 PM EDT
Completed Phase 1 Interventional

Drug-Drug Interaction Study Between Telaprevir and Buprenorphine

NCT01275599
View directory record Official record
Conditions
Hepatitis C, Opioid-Related Disorders
Interventions
telaprevir, buprenorphine/naloxone
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
18 Years to 64 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2011
U.S. locations
2
States / cities
Overland Park, Kansas • Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jun 8, 2011 · Synced Oct 10, 2026, 1:56 PM EDT
Active, not recruiting Phase 3 Interventional

A Study Evaluating the Long-term Safety and Efficacy of VX-121 Combination Therapy

NCT05444257
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
VX-121/TEZ/D-IVA
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
12 Years and older
Enrollment
822 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
72
States / cities
Birmingham, Alabama • Tucson, Arizona • Little Rock, Arkansas + 65 more
Source: ClinicalTrials.gov public record
Updated Oct 9, 2026 · Synced Oct 10, 2026, 1:56 PM EDT
Completed Phase 3 Interventional Results available

Evaluation of Efficacy and Safety of Suzetrigine for Acute Pain After an Abdominoplasty

NCT05558410
View directory record Official record
Conditions
Acute Pain
Interventions
Suzetrigine (SUZ), HB/APAP, Placebo (matched to SUZ), Placebo (matched to HB/APAP)
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
18 Years to 80 Years
Enrollment
1,118 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
12
States / cities
Sheffield, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 8 more
Source: ClinicalTrials.gov public record
Updated Jul 1, 2025 · Synced Oct 10, 2026, 1:56 PM EDT
Recruiting Phase 3 Interventional

Evaluation of Efficacy and Safety of Suzetrigine for Pain Associated With Diabetic Peripheral Neuropathy

NCT06628908
View directory record Official record
Conditions
Diabetic Peripheral Neuropathic Pain
Interventions
Suzetrigine, Placebo (matched to SUZ), Pregabalin, Placebo (matched to Pregabalin)
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
18 Years to 80 Years
Enrollment
1,100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
76
States / cities
Anniston, Alabama • Birmingham, Alabama • Daphne, Alabama + 68 more
Source: ClinicalTrials.gov public record
Updated Jun 15, 2026 · Synced Oct 10, 2026, 1:56 PM 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 10, 2026, 1:56 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Assess the Relative Bioavailability Three New Formulations of Telaprevir in Healthy Subjects

NCT01511432
View directory record Official record
Conditions
Chronic Hepatitis C
Interventions
telaprevir formulation A, telaprevir Formulation B, telaprevir Formulation C, telaprevir Formulation D
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
18 Years to 55 Years
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
2
States / cities
Dallas, Texas • Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jul 4, 2012 · Synced Oct 10, 2026, 1:56 PM EDT
Completed Phase 3 Interventional Results available

A Study Evaluating the Long-term Safety and Efficacy of VX-445 Combination Therapy

NCT03525574
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
ELX/TEZ/IVA, IVA
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
12 Years and older
Enrollment
507 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
52
States / cities
Tucson, Arizona • Little Rock, Arkansas • Long Beach, California + 47 more
Source: ClinicalTrials.gov public record
Updated Sep 24, 2025 · Synced Oct 10, 2026, 1:56 PM 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 19, 2024 · Synced Oct 10, 2026, 1:56 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study of VX-770 on Desipramine

NCT01153542
View directory record Official record
Conditions
In Development for 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 Dec 9, 2010 · Synced Oct 10, 2026, 1:56 PM EDT
Completed Phase 2 Interventional Results available

A Study Evaluating Efficacy and Safety of VX-548 for Acute Pain After an Abdominoplasty

NCT05034952
View directory record Official record
Conditions
Acute Pain
Interventions
VX-548, HB/APAP, Placebo (matched to VX-548), Placebo (matched to HB/APAP)
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
18 Years to 75 Years
Enrollment
303 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
7
States / cities
Phoenix, Arizona • Pasadena, California • Pasadena, Maryland + 4 more
Source: ClinicalTrials.gov public record
Updated Dec 27, 2024 · Synced Oct 10, 2026, 1:56 PM EDT
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 23, 2017 · Synced Oct 10, 2026, 1:56 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study of Vanzacaftor/Tezacaftor/Deutivacaftor (VNZ/TEZ/D-IVA) in Healthy Adult Panelists

NCT06299696
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
VNZ/TEZ/D-IVA
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
25 Years to 80 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Woburn, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 16, 2024 · Synced Oct 10, 2026, 1:56 PM EDT
Recruiting Phase 4 Interventional

Evaluation of Pain Treatment After Total Knee Arthroplasty

NCT07538570
View directory record Official record
Conditions
Pain
Interventions
Suzetrigine, Placebo
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
18 Years to 80 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
2
States / cities
Bellaire, Texas • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 18, 2026 · Synced Oct 10, 2026, 1:56 PM 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 10, 2026, 1:56 PM EDT
Completed Phase 2 Interventional Results available

A Study to Evaluate the Safety and Efficacy of VX-121 Combination Therapy in Subjects With Cystic Fibrosis

NCT03912233
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
VX-121, TEZ, VX-561, TEZ/IVA, IVA, Placebo
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
18 Years and older
Enrollment
87 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
12
States / cities
Los Angeles, California • Oakland, California • Lexington, Kentucky + 9 more
Source: ClinicalTrials.gov public record
Updated Apr 20, 2023 · Synced Oct 10, 2026, 1:56 PM EDT