Vertex Pharmaceuticals Incorporated

Open enrollment with an early-phase pipeline tilt

According to ClinicalTrials.gov-derived indexes, Vertex Pharmaceuticals Incorporated sits in the top decile of US sponsors by registered trial count (#156 of 15,742 sponsors by registered trial count).

191 total trials 20 currently recruiting 144 completed early-phase tilt top decile by trial count

Vertex Pharmaceuticals Incorporated: 191 sponsored US clinical trials, 20 recruiting.

Vertex Pharmaceuticals Incorporated sponsors 191 registered US clinical trials on ClinicalTrials.gov, 20 of them currently recruiting, and 144 completed. 67 of these trials are in Phase 3-4 (later-stage) and 119 in Phase 1-2 (earlier-stage). The most-studied condition in this pipeline is Cystic Fibrosis, with 20 trials.

Top-decile sponsor footprint

Vertex Pharmaceuticals Incorporated ranks in the top decile of sponsors by registered trial count (#156 of 15,742 sponsors by registered trial count). Volume at this scale usually reflects a long institutional pipeline, read phase tilt and therapeutic areas below before treating it as current-year activity.

Trial completion reliability score

D 63/100

144 of 161 decided trials (Completed vs. Terminated on ClinicalTrials.gov) reached their planned completion (89.4%), vs. national p10 68.4% / p90 100% among 1,234 sponsors with at least 10 decided trials. Still-open trials (Recruiting, Active-not-recruiting, Not-yet-recruiting) are excluded since they have not reached an outcome yet.

Open and recent trials

191 total, page 2 of 4

COMPLETED Phase 2

Evaluation of Efficacy and Safety of VX-548 for Painful Lumbosacral Radiculopathy (PLSR)

NCT06176196

COMPLETED Phase 1

A Study Evaluating the Relative Bioavailability and Food Effect of a Tablet Formulation of VX-147

NCT05955872

COMPLETED Phase 1

A Study to Evaluate Pharmacokinetics (PK) and Safety of Inaxaplin in Participants With Renal Impairment

NCT05865171

COMPLETED Phase 1

A Study to Evaluate the Effect of Food on the Pharmacokinetics of VX-548

NCT05851157

COMPLETED Phase 1

An Electrocardiogram Study to Evaluate the Effect of Vanzacaftor on the QT/QTc Interval in Healthy Participants

NCT05867147

COMPLETED Phase 1

A Study to Evaluate the Effect of VX-548 on the QT/QTc Interval in Healthy Participants

NCT05818852

COMPLETED Phase 1

Evaluation of the Pharmacokinetics and Safety of VX-548 in Participants With Renal Impairment

NCT05704556

TERMINATED Phase 2

A Study to Evaluate Efficacy and Safety of VX-864 in Participants With the PiZZ Genotype

NCT05643495

COMPLETED Phase 1

A Phase 1, First-in-human Study of VX-668

NCT05727800

COMPLETED Phase 3

A Single-arm Study to Evaluate Safety and Effectiveness of VX-548 for Acute Pain

NCT05661734

COMPLETED Phase 2

Evaluation of Efficacy and Safety of VX-548 for Painful Diabetic Peripheral Neuropathy (DPN)

NCT05660538

COMPLETED Phase 1

Evaluation of the Pharmacokinetics and Safety of VX-548 in Participants With Mild or Moderate Hepatic Impairment

NCT05560464

COMPLETED Phase 1

A Phase 1, First-in-human Study of VX-634

NCT05579431

COMPLETED Phase 3

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

NCT05558410

COMPLETED Phase 3

Evaluation of Efficacy and Safety of VX-548 for Acute Pain After a Bunionectomy

NCT05553366

COMPLETED Phase 1

A Study to Evaluate the Pharmacokinetic Drug-drug Interactions Between VX-548, Midazolam, and Digoxin

NCT05541471

COMPLETED Phase 1

A Phase 1 Dose Escalation Study of VX-708 in Healthy Participants

NCT05518734

COMPLETED Phase 1

A Study to Evaluate the Relative Bioavailability of a Fixed-dose Combination Tablet of VX-121/Tezacaftor/Deutivacaftor

NCT05535959

COMPLETED Phase 1

Pharmacokinetics and Safety Assessment of VX-121/Tezacaftor/Deutivacaftor in Participants With Moderate Hepatic Impairment

NCT05437120

COMPLETED Phase 1

A Study to Evaluate the Relative Bioavailability and Food Effect of a New Tablet Formulation of VX-548

NCT05455502

COMPLETED Phase 1

A Phase 1 Dose Escalation Study to Evaluate Safety and Pharmacokinetics (PK) of VX-840 in Healthy Participants

NCT05324410

COMPLETED Phase 3

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

NCT05153317

COMPLETED Phase 3

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

COMPLETED Phase 3

A Phase 3 Study of VX-121 Combination Therapy in Participants With Cystic Fibrosis (CF) Heterozygous for F508del and a Minimal Function Mutation (F/MF)

NCT05033080

COMPLETED Phase 2

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

NCT05034952

COMPLETED Phase 2

A Study Evaluating Efficacy and Safety of VX-548 for Acute Pain After a Bunionectomy

NCT04977336

COMPLETED

A Decentralized Study to Evaluate Physical Activity and Cough Frequency Using Wearable Technology in Cystic Fibrosis

NCT04923464

COMPLETED Phase 3

Evaluation of ELX/TEZ/IVA in Cystic Fibrosis (CF) Subjects 2 Through 5 Years

NCT04537793

COMPLETED Phase 2

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

NCT04474197

COMPLETED Phase 2

Phase 2a Study of VX-147 in Adults With APOL1-mediated Focal Segmental Glomerulosclerosis

NCT04340362

COMPLETED Phase 3

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

COMPLETED Phase 3

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

TERMINATED Phase 2

Evaluation of the Efficacy and Safety of VX-814 in Subjects With the PiZZ Genotype

NCT04167345

COMPLETED Phase 3

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

NCT04058366

COMPLETED Phase 3

A Phase 3 Study of VX-445 Combination Therapy in Cystic Fibrosis (CF) Subjects Heterozygous for F508del and a Gating or Residual Function Mutation (F/G and F/RF Genotypes)

NCT04058353

COMPLETED Phase 3

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

NCT04043806

COMPLETED Phase 2

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

NCT03912233

COMPLETED Phase 2

A Phase 2 Study to Evaluate Efficacy and Safety of VX-561 in Subjects Aged 18 Years and Older With Cystic Fibrosis

NCT03911713

COMPLETED Phase 2

A Dose-ranging Study to Evaluate Efficacy and Safety of VX-150 in Subjects With Acute Pain Following Bunionectomy

NCT03764072

COMPLETED Phase 2

A Safety and Efficacy Study Evaluating CTX001 in Subjects With Severe Sickle Cell Disease

NCT03745287

COMPLETED Phase 3

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

NCT03525574

COMPLETED Phase 3

Evaluation of VX 445/TEZ/IVA in Cystic Fibrosis Subjects 6 Through 11 Years of Age

NCT03691779

COMPLETED Phase 2

A Safety and Efficacy Study Evaluating CTX001 in Participants With Transfusion-Dependent β-Thalassemia

NCT03655678

COMPLETED Phase 3

Safety and Pharmacokinetic Study of Lumacaftor/Ivacaftor in Participants 1 to Less Than 2 Years of Age With Cystic Fibrosis, Homozygous for F508del

NCT03601637

COMPLETED Phase 3

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

NCT03525548

TERMINATED Phase 3

Evaluation of VX-659/TEZ/IVA in Cystic Fibrosis Subjects 6 Through 11 Years of Age

NCT03633526

TERMINATED Phase 3

A Study Evaluating the Long Term Safety and Efficacy of VX-659 Combination Therapy

NCT03447262

COMPLETED Phase 3

A Phase 3 Study of VX-445 Combination Therapy in Subjects With Cystic Fibrosis Heterozygous for the F508del Mutation and a Minimal Function Mutation (F/MF)

NCT03525444

COMPLETED Phase 3

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

NCT03460990

COMPLETED Phase 3

A Study to Evaluate the Safety and Efficacy of Long-term Treatment With TEZ/IVA in CF Participants With an F508del CFTR Mutation

NCT03537651

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What is open in the Vertex Pharmaceuticals Incorporated pipeline

20 recruiting of 191 indexed (10% open); 144 completed (75%).

Phase mix: 67 late (III/IV) vs 119 early (I/II) (early-phase heavy).

Top condition: Cystic Fibrosis (20 trials), 9 others listed.

How open-pipeline share is computed

Recruiting share is recruiting_count divided by trial_count for this sponsor in the public registry export. Status can change between pulls; treat the figure as a research-attention snapshot, not product availability.

Vertex Pharmaceuticals Incorporated: open-pipeline peers nationwide

Peers matched on 191 registered trials and 10% open enrollment, not the therapeutic-area sidebar.

Vertex Pharmaceuticals Incorporated sits at or above the median trial volume and at or above the median recruiting share among these 9 nationwide peers -- the two do not always move together. Source: ClinicalTrials.gov (2026-08-08 snapshot). 2×2 strategic matrix plotting 9 entities by Total trials (X) and Recruiting share (Y), with a crosshair dividing the plot into four quadrants. Higher volume & more openFocused & more openHigher volume, mostly closedSmaller & mostly closed 050100150200250 10%12%14%16%18%20% Total trials Recruiting share Vertex Pharmaceuticals IncorporatedVanderbilt-Ingram Cancer CenterHospital for Special Surgery, New YorkNationwide Children's HospitalArizona State UniversityAlexion PharmaceuticalsZimmer BiometUniversity of Mississippi Medical CenterBastyr University
Vertex Pharmaceuticals Incorporated sits at or above the median trial volume and at or above the median recruiting share among these 9 nationwide peers -- the two do not always move together. Source: ClinicalTrials.gov (2026-08-08 snapshot).

Vertex Pharmaceuticals Incorporated sits at or above the median trial volume and at or above the median recruiting share among these 9 nationwide peers -- the two do not always move together.

Sponsors near 191 trials (± recruiting share)

Sponsors near 10% open enrollment (± trial volume)

What to do with this Vertex Pharmaceuticals Incorporated page

191 registered trials is a research-attention snapshot, not an endorsement of Vertex Pharmaceuticals Incorporated or any single study.

  • 20 of Vertex Pharmaceuticals Incorporated's trials are currently recruiting, check each one's own eligibility criteria before contacting a site. Browse recruiting trials
  • Cystic Fibrosis is the condition Vertex Pharmaceuticals Incorporated studies most, compare against other sponsors active in the same condition before evaluating a specific study. See Cystic Fibrosis trials
  • Bring the specific trial ID (NCT number) to your own doctor before enrolling, this page is a directory, not medical guidance. Read the trial-finding guide

Trial and recruiting counts reflect ClinicalTrials.gov registry status as of the data vintage above; individual trial eligibility and enrollment status can change.

Vertex Pharmaceuticals Incorporated pipeline card: 191 registered trials from official public datasets.Report a data error.