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CompletedNCT06855264Updated Sep 24, 2025

A Cardiac Liability Study of Varegacestat in Healthy Participants

A Phase 1 interventional study of varegacestat and Placebo in Healthy Volunteer, sponsored by Immunome, Inc.. Completed at 1 site in United States. Open to participants aged 18 Years to 55 Years, including healthy volunteers. Per ClinicalTrials.gov, last updated 2025-09-24.

Sponsored by Immunome, Inc. · Phase 1, Interventional, and Other

From the registry’s dates

  • Primary completion was Apr 2025, 1 year 6 months ago, and no results have been posted to the registry.
Phase
Phase 1
Study type
Interventional
Enrollment
32
Allocation
Randomized
Ages
18 Years to 55 Years
Sex
All
01

Study summary

This clinical study is designed to study the effect of a single dose of varegacestat on cardiac repolarization in healthy adult participants.

Read the detailed description

This is a double-blind (with respect to varegacestat and placebo only), single-dose, randomized, placebo- and positive- controlled, 3-way crossover study.

On Day 1 of each period, participants will receive one of 3 treatments: a single dose of varegacestat (Treatment A), a single dose of varegacestat matching placebo (Treatment B), or a single dose of moxifloxacin (Treatment C). In each period, cardiodynamic ECGs will be collected predose and for 24 hours postdose. PK samples will be collected predose and up to 168 hours post-dose for assessments of varegacestat and AL102 MTB, and up to 24 hours post-dose for assessment of moxifloxacin.

There will be a washout of at least 14 days between doses. Safety will be monitored throughout the study by repeated clinical and laboratory evaluations.

02

Conditions studied

  • Healthy Volunteer

Keywords

  • thorough-QT
03

In context

Lead sponsor

Immunome, Inc. is the lead sponsor of 10 studies on the registry; 4 are open to participants now.

Of its 5 completed or terminated interventional studies of FDA-regulated products, 0 (0%) have results posted.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years to 55 Years
Sexes eligible
All
Accepts healthy volunteers
Yes

Inclusion criteria

  • Healthy, adult, male or female (of non childbearing potential), 18 to 55 years of age, inclusive, at the screening visit.
  • Medically healthy with no clinically significant medical history, physical examination, clinical laboratory profiles, and vital signs, as deemed by the PI or designee

Exclusion criteria

Exclusion Criteria:

  • History of any illness that, in the opinion of the PI or designee, might confound the results of the study or pose an additional risk to the participant by their participation in the study.
  • Have taken an investigational drug or participated in a clinical trial evaluating an investigational drug or device within 30 days (or 5 half-lives) prior to the study drug dose, whichever is longer.
05

Study design

Phase
Phase 1
Primary purpose
Other
Allocation
Randomized
Intervention model
Crossover assignment
Masking
Double (Participant, Investigator)
Enrollment
32 participants (actual)

Study arms

  • Experimental
    Varegacestat

    Drug: varegacestat

  • Placebo comparator
    Placebo

    Drug: Placebo

  • Active comparator
    Moxifloxacin

    Drug: Moxifloxacin 400 mg

Interventions

  • Drugvaregacestat

    Single oral dose of varegacestat

  • DrugPlacebo

    Single oral dose of placebo

  • DrugMoxifloxacin 400 mg

    Single oral dose of moxifloxacin

06

What researchers measure

Primary outcomes

  1. Placebo-corrected change from baseline QTc and varegacestat and its metabolite, AL102 MTB, plasma concentrations

    Time frame: 24 hours

Secondary outcomes

  1. Change from baseline, placebo-corrected, and categorical outliers of the ECG parameter HR from a single oral dose of varegacestat.

    Time frame: 24 hours

  2. Change from baseline and placebo-corrected ECG parameter QT from a single oral dose of varegacestat.

    Time frame: 24 hours

  3. Change from baseline, placebo-corrected, and categorical outliers of the ECG parameter QTcF from a single oral dose of varegacestat.

    Time frame: 24 hours

  4. The AUC from time 0 extrapolated to infinity, calculated as the sum of AUC0-t plus the ratio of the last measurable plasma concentration to the elimination rate constant of varegacesatat and AL102-MTB (varegacestat metabolite).

    Time frame: 7 days

  5. Maximum observed concentration (Cmax) of varegacesatat and AL102-MTB (varegacestat metabolite).

    Time frame: 7 days

  6. Apparent first-order terminal elimination half-life (t1/2) will be calculated as 0.693/Kel of varegacesatat and AL102-MTB (varegacestat metabolite).

    Time frame: 7 days

  7. Safety and tolerability of a single oral dose of varegacestat by incidences of treatment-emergent adverse events.

    Time frame: Approximately 56 days

  8. Assay sensitivity of the study to detect a small QTc effect using moxifloxacin as a positive control.

    Time frame: 24 hours

07

Study locations

1 site
  • Celerion
    Tempe, Arizona 85289, United States
08

References and documents

Individual participant data

Plan to share: Undecided

No publications or documents are linked to this record.

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Sep 24, 2025, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT06855264
Lead sponsor
Immunome, Inc.
Responsible party
Sponsor
First posted
Mar 3, 2025
Start date
Feb 24, 2025
Primary completion
Apr 8, 2025
Completion
May 6, 2025
Last update
Sep 24, 2025

Oversight

Data monitoring committee
No
FDA-regulated drug
Yes
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

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This study is completed, as verified in Sep 2025. You cannot join it, but the record below documents what was studied.

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