Medical Information Only. Always consult your healthcare provider before enrolling in any clinical trial.

NCT06226454 · ClinicalTrials.gov registry record · Phase 1

A Phase 1 Study Evaluating the Safety, Pharmacokinetics, and Pharmacodynamics, of VX-993

A Phase 1 study, sponsored by Vertex Pharmaceuticals Incorporated.

Completed
Registry status
Phase 1
Development phase
39
Enrollment target

NCT06226454: Completed Phase 1 study, sponsored by Vertex Pharmaceuticals Incorporated.

NCT06226454 is a Phase 1 study that has completed, run by Vertex Pharmaceuticals Incorporated. The registered enrollment target is 39 participants, below the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (35% lower). According to ClinicalTrials.gov, the official US trial registry.

View on ClinicalTrials.gov ↗

View your shortlist →

The verdict

NCT06226454, a Phase 1 study, has completed, sponsored by Vertex Pharmaceuticals Incorporated.

COMPLETED
Registry status
Phase 1
Development phase
39 participants
Enrollment target

Study Summary

The purpose of this study is to evaluate the safety, tolerability, pharmacokinetics (PK), and pharmacodynamics (PD) of VX-993 at different doses in healthy participants.

Interventions

  • DRUG Placebo
  • DRUG VX-993

Trial Details

FieldValue
Enrollment Target 39 participants
Start Date 2024-01-04
Est. Completion 2024-06-12
Phase Phase 1
Vertex Pharmaceuticals Incorporated

191 total trials

What the finished NCT06226454 record still lists

NCT06226454 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 39 participants, a relatively small participant target, below the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (35% lower).

The record links to 0 conditions, and to 2 interventions - of which Placebo is the first listed.

NCT06226454 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT06226454 about?

NCT06226454 is a clinical study titled "A Phase 1 Study Evaluating the Safety, Pharmacokinetics, and Pharmacodynamics, of VX-993". The purpose of this study is to evaluate the safety, tolerability, pharmacokinetics (PK), and pharmacodynamics (PD) of VX-993 at different doses in healthy participants.

What is the current status of trial NCT06226454?

This trial is currently completed. It is a Phase 1 study. The enrollment target is 39 participants. The study started on 2024-01-04. Estimated completion is 2024-06-12.

What interventions are being tested in trial NCT06226454?

The interventions under investigation include: Placebo (DRUG), VX-993 (DRUG).

Who is sponsoring clinical trial NCT06226454?

This trial is sponsored by Vertex Pharmaceuticals Incorporated, which has 191 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT06226454's enrollment target sits among peer trials

39 1191st of 2000 higher than 804 of 2,000 other Phase 1 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 1 trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

Nationwide trials with similar profiles

Cross-condition peers matched on enrollment target and registry start date, not the same-condition list above.

Similar enrollment target

  • NCT03465592 · 39 participants · Phase 1

    Trial of Nivolumab Following Partially Human Leukocyte Antigen (HLA) Mismatched BMT in Children & Adults With Sarcoma

  • NCT03961776 · 39 participants

    Monitoring Treatment Response With On-board DWI During Neo-adjuvant Chemo-radiation for Rectal Cancer Using Magnetic Resonance-guided-radiotherapy Systems

  • NCT04050280 · 39 participants · Phase 2

    CLAG-GO for Patients With Persistent, Relapsed or Refractory AML

  • NCT04190862 · 39 participants · Phase 1

    E-CEL UVEC as an Adjunct Cell Therapy for Treatment of Anal Fistulas

Similar registry start date

  • NCT05962346 · started 2026-12 · NA

    Fetal Endoscopic Tracheal Occlusion for Congenital Diaphragmatic Hernia

  • NCT07125183 · started 2026-12 · Phase 2

    Study on Efficacy and Tolerability of Weekly Doxorubicin in Elderly Patients With Advanced or Metastatic Leiomyosarcoma

  • NCT07292298 · started 2026-11 · Phase 2

    Phase 2 Single-Arm Rectal Cancer Brachytherapy for Patients With Low-Lying Residual Adenocarcinoma After Total Neoadjuvant Therapy to Improve Organ Preservation Rates

  • NCT04263285 · started 2026-10 · NA

    Treatment of Depression Post-SCI

Source: ClinicalTrials.gov NCT06226454, the US trial registry maintained by the National Library of Medicine. NCT06226454 (small enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.