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NCT05867147 · ClinicalTrials.gov registry record · Phase 1

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

A Phase 1 study, sponsored by Vertex Pharmaceuticals Incorporated.

Completed
Registry status
Phase 1
Development phase
56
Enrollment target

NCT05867147: Completed Phase 1 study, sponsored by Vertex Pharmaceuticals Incorporated.

NCT05867147 is a Phase 1 study that has completed, run by Vertex Pharmaceuticals Incorporated. The registered enrollment target is 56 participants, roughly in line with the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target. According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT05867147, a Phase 1 study, has completed, sponsored by Vertex Pharmaceuticals Incorporated.

COMPLETED
Registry status
Phase 1
Development phase
56 participants
Enrollment target

Study Summary

The purpose of this study is to evaluate the effect of Vanzacaftor (VNZ) on QTcF, as well as the pharmacokinetic (PK), safety, and tolerability of VNZ in healthy participants.

Interventions

  • DRUG Moxifloxacin
  • DRUG Moxifloxacin Placebo
  • DRUG Vanzacaftor
  • DRUG Vanzacaftor Placebo

Trial Details

FieldValue
Enrollment Target 56 participants
Start Date 2023-04-26
Est. Completion 2023-06-14
Phase Phase 1
Vertex Pharmaceuticals Incorporated

191 total trials

What the finished NCT05867147 record still lists

NCT05867147 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 56 participants, a relatively small participant target, roughly in line with the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target.

The record links to 0 conditions, and to 4 interventions - of which Moxifloxacin is the first listed.

NCT05867147 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT05867147 about?

NCT05867147 is a clinical study titled "An Electrocardiogram Study to Evaluate the Effect of Vanzacaftor on the QT/QTc Interval in Healthy Participants". The purpose of this study is to evaluate the effect of Vanzacaftor (VNZ) on QTcF, as well as the pharmacokinetic (PK), safety, and tolerability of VNZ in healthy participants.

What is the current status of trial NCT05867147?

This trial is currently completed. It is a Phase 1 study. The enrollment target is 56 participants. The study started on 2023-04-26. Estimated completion is 2023-06-14.

What interventions are being tested in trial NCT05867147?

The interventions under investigation include: Moxifloxacin (DRUG), Moxifloxacin Placebo (DRUG), Vanzacaftor (DRUG), Vanzacaftor Placebo (DRUG).

Who is sponsoring clinical trial NCT05867147?

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 NCT05867147's enrollment target sits among peer trials

56 902nd of 2000 higher than 1,083 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

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Source: ClinicalTrials.gov NCT05867147, the US trial registry maintained by the National Library of Medicine. NCT05867147 (small enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.