A Study to Investigate the Safety, Tolerability, and Drug Levels of BMS-986419 (Part 1) and the Effects Multiple Doses of BMS-986419 on Cardiac Repolarization (Part 2) in Healthy Participants

November 14, 2025 updated by: Bristol-Myers Squibb

A Phase 1, Double-blind, Placebo-controlled, Randomized Study of the Safety, Tolerability, and Pharmacokinetics of BMS-986419 (Part 1) and a Phase 1 Randomized, Double-blind, Positive-controlled, Placebo-controlled, Parallel, Nested-crossover (Moxifloxacin-placebo) Thorough QT/QTc Study to Evaluate the Effect of Multiple Doses of BMS-986419 on Cardiac Repolarization (Part 2) in Healthy Participants

The purpose of this study is to investigate the safety, tolerability, and pharmacokinetics of BMS-986419 (Part 1) and the effects of multiple doses of BMS-986419 on cardiac repolarization (Part 2) in healthy participants.

Study Overview

Study Type

Interventional

Enrollment (Actual)

74

Phase

  • Phase 1

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

    • Arizona
      • Tempe, Arizona, United States, 85283
        • Celerion

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

  • Adult

Accepts Healthy Volunteers

Yes

Description

Inclusion Criteria

  • Participants must be healthy as determined by medical history, physical examination, vital signs, 12-lead ECG, and clinical laboratory assessments.
  • Participants must have a Body mass index (BMI) between 18.0 and 30.0 kilograms/meter square (kg/m^2), inclusive, at screening.

Exclusion Criteria

  • Participants must not have any significant acute or chronic medical illness as determined by the investigator.
  • Participants must not have any current or recent (within 3 months of study intervention administration) GI disease, liver and kidney that could possibly affect drug absorption, distribution, metabolism, and excretion, (e.g., bariatric procedure, Cholecystectomy, and any other GI surgery that could impact upon the absorption of study intervention).
  • Participants must not have Gilbert Syndrome.
  • Participants must not have a history of clinically relevant cardiac disease as determined by the investigator, symptomatic or asymptomatic arrhythmias, presyncope or syncopal episodes, or additional risk factors for ventricular arrhythmias (e.g., long QT syndrome, catecholamine polymorphic ventricular tachycardia).
  • Participants must not have exposure to any investigational drug or placebo (other than BMS-986419 or moxifloxacin) within 4 weeks or 5 half-lives (whichever is longer) prior to Day -1 (Day -2 for Part 2) until follow-up phone call.
  • Other protocol-defined Inclusion/Exclusion criteria apply.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Triple

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: Part 1: Administration of BMS-986419
Specified dose on specified days
Placebo Comparator: Part 1: Administration of Placebo
Specified dose on specified days
Experimental: Part 2: Group 1
Specified dose on specified days
Specified dose on specified days
Specified dose on specified days
Experimental: Part 2: Group 2a
Specified dose on specified days
Specified dose on specified days
Specified dose on specified days
Experimental: Part 2: Group 2b
Specified dose on specified days
Specified dose on specified days
Specified dose on specified days

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Part 1: Number of Participants with Non-serious Adverse Events (NSAEs)
Time Frame: Up to approximately Day 42
Up to approximately Day 42
Part 1: Number of Participants with Serious Adverse Events (SAEs)
Time Frame: Up to approximately Day 42
Up to approximately Day 42
Part 1: Number of Participants with AEs Leading to Discontinuation
Time Frame: Up to approximately Day 42
Up to approximately Day 42
Part 1: Number of Participants With AEs of Special Interest (AESI)
Time Frame: Up to approximately Day 42
Up to approximately Day 42
Part 1: Number of Participants With Clinically Significant Vital Sign Abnormalities
Time Frame: Up to approximately Day 21
Vital sign parameters include temperature, systolic blood pressure (BP), diastolic BP, respiratory rate, and heart rate (HR) assessment.
Up to approximately Day 21
Part 1: Number of Participants With Clinically Significant Laboratory Assessment Abnormalities
Time Frame: Up to approximately Day 21
Up to approximately Day 21
Part 1: Number of Participants With Clinically Significant 12-Lead Electrocardiogram (ECG) Abnormalities
Time Frame: Up to approximately Day 21
Up to approximately Day 21
Part 1: Number of Participants With Clinically Significant Columbia-Suicide Severity Rating Scale (C-SSRS) Abnormalities
Time Frame: Up to approximately Day 21
Up to approximately Day 21
Part 1: Number of Participants With Clinically Significant Neurological Examination Abnormalities
Time Frame: Up to approximately Day 21
Up to approximately Day 21
Part 1: Number of Participants With Physical Examination Abnormalities
Time Frame: Up to approximately Day 21
Up to approximately Day 21
Part 2: ΔQTc: Change From Baseline in Plasma Concentration of BMS-986419 on Cardiac Repolarization Expressed by QT interval (QTc)
Time Frame: Up to approximately Day 15
ΔQTc is performed by primary correction.
Up to approximately Day 15
Part 2: ΔΔQTc: Placebo-corrected Change From Baseline QTc Plasma Concentration of BMS-986419 on Cardiac Repolarization Expressed by QTc
Time Frame: Up to approximately Day 15
Up to approximately Day 15

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Part 1: Maximum Observed Plasma Concentration (Cmax) of BMS-986419
Time Frame: Up to approximately Day 21
Up to approximately Day 21
Part 1: Time of Maximum Plasma Observed Concentration (Tmax) of BMS-986419
Time Frame: Up to approximately Day 21
Up to approximately Day 21
Part 1: Area Under the Concentration-time Curve in One Dosing Interval (AUC(TAU)) of BMS-986419
Time Frame: Up to approximately Day 21
Up to approximately Day 21
Part 1: Area Under the Plasma Concentration-time Curve From Time Zero to Time of Last Quantifiable Concentration (AUC [0-T]) of BMS-986419
Time Frame: Up to approximately Day 21
Up to approximately Day 21
Part 1: Terminal Phase Elimination Half-life (T-Half) of BMS-986419
Time Frame: Up to approximately Day 21
Up to approximately Day 21
Part 1: Accumulation Index; Ratio of Cmax at Steady-state to Cmax After the First Dose (AI_Cmax) of BMS-986419
Time Frame: Up to approximately Day 21
Up to approximately Day 21
Part 1: Accumulation Index; Ratio of AUC(TAU) at Steady-state to AUC(TAU) After the First Dose [AI_AUC(TAU)] of BMS-986419
Time Frame: Up to approximately Day 21
Up to approximately Day 21
Part 1: Apparent Total Body Clearance (CLT/F) of BMS-986419
Time Frame: Up to approximately Day 21
Up to approximately Day 21
Part 1: Apparent Volume of Distribution of Terminal Phase (Vz/F) of BMS-986419
Time Frame: Up to approximately Day 21
Up to approximately Day 21
Part 1: Trough Concentration of BMS-986419
Time Frame: Up to approximately Day 21
Up to approximately Day 21
Part 2: ΔQTc of BMS-986419 Using Change From Baseline of Heart Rate (HR)(ΔHR) Correction
Time Frame: Up to approximately Day 15
Up to approximately Day 15
Part 2: ΔQTc of BMS-986419 Using Change From Baseline of Pulse Rate (PR)(ΔPR) Correction
Time Frame: Up to approximately Day 15
Up to approximately Day 15
Part 2: ΔQTc of BMS-986419 Using Change From Baseline of Respiratory Rate (RR) Interval Correction
Time Frame: Up to approximately Day 15
Up to approximately Day 15
Part 2: Change From Baseline of BMS-986419 in Quality Rating System (QRS) Interval (ΔQRS)
Time Frame: Up to approximately Day 15
Up to approximately Day 15
Part 2: Number of Participants With Treatment-emergent Values of Fridericia's Corrected QT interval (QTcF) for BMS-986419
Time Frame: Up to approximately Day 15
Participants with increase in absolute treatment-emergent QTc values >450 and ≤480 milliseconds (msec), >480 and ≤500 msec, or >500 msec, and changes from pre-dose baseline of >30 and ≤ 60 msec, or >60 msec will be measured.
Up to approximately Day 15
Part 2: Number of Timepoints With Change in Absolute Treatment-emergent QTcF Values for BMS-986419
Time Frame: Up to approximately Day 15
Number of timepoints with increase in absolute treatment-emergent QTc values >450 and ≤480 milliseconds (msec), >480 and ≤500 msec, or >500 msec, and changes from pre-dose baseline of >30 and ≤ 60 msec, or >60 msec will be measured.
Up to approximately Day 15
Part 2: Number of Participants With Treatment-emergent Values of Individualized Heart Rate-corrected Interval/Optimized HR-corrected QT Interval (QTcS/QTcI) for BMS-986419
Time Frame: Up to approximately Day 15
Up to approximately Day 15
Part 2: Number of Participants With Treatment-emergent Values of HR for BMS-986419
Time Frame: Up to approximately Day 15
Participants with decrease in HR from pre-dose baseline >25% to a HR <50 beats per minute (bpm); and increase in HR from pre-dose baseline >25% to a HR >100 bpm will be determined.
Up to approximately Day 15
Part 2: Number of Timepoints With Change in Absolute Treatment-emergent HR Values for BMS-986419
Time Frame: Up to approximately Day 15
Number of timepoints with decrease in HR from pre-dose baseline >25% to a HR <50 beats per minute (bpm); and increase in HR from pre-dose baseline >25% to a HR >100 bpm will be determined.
Up to approximately Day 15
Part 2: Number of Participants With Treatment-emergent Values of PR for BMS-986419
Time Frame: Up to approximately Day 15
Participants with increase in PR from pre-dose baseline >25% to a PR>200 msec will be determined.
Up to approximately Day 15
Part 2: Number of Timepoints With Increase in Absolute Treatment-emergent PR Values for BMS-986419
Time Frame: Up to approximately Day 15
Number of timepoints with increase in PR from pre-dose baseline >25% to a PR>200 msec will be determined.
Up to approximately Day 15
Part 2: Number of Participants With Treatment-emergent Values of QRS for BMS-986419
Time Frame: Up to approximately Day 15
Participants with increase in QRS from pre-dose baseline >25% to a QRS >120 msec will be determined.
Up to approximately Day 15
Part 2: Number of Timepoints With Increase in Absolute Treatment-emergent QRS Values for BMS-986419
Time Frame: Up to approximately Day 15
Number of timepoints with increase in QRS from pre-dose baseline >25% to a QRS >120 msec will be determined.
Up to approximately Day 15
Part 2: Number of Participants With New Onset ECG Morphology Findings
Time Frame: Up to approximately Day 15
"New" means an ECG finding that is not present on any baseline ECG [that is, any ECG recorded prior to receipt of the first dose of study BMS-986419] and becomes present on at least 1 on-treatment ECG during that treatment period).
Up to approximately Day 15
Part 2: ΔQTc: Change From Baseline in Plasma Concentration of Moxifloxacin on Cardiac Repolarization Expressed by QT interval (QTc)
Time Frame: Up to approximately Day 15
ΔQTc is performed by primary correction.
Up to approximately Day 15
Part 2: ΔΔQTc: Placebo-corrected Change From Baseline QTc Plasma Concentration of Moxifloxacin on Cardiac Repolarization Expressed by QTc
Time Frame: Up to approximately Day 15
Up to approximately Day 15
Part 2: Number of Participants with NSAEs
Time Frame: Up to approximately Day 36
Up to approximately Day 36
Part 2: Number of Participants with SAEs
Time Frame: Up to approximately Day 36
Up to approximately Day 36
Part 2: Number of Participants with AEs Leading to Discontinuation
Time Frame: Up to approximately Day 36
Up to approximately Day 36
Part 2: Number of Participants With AESI
Time Frame: Up to approximately Day 36
Up to approximately Day 36
Part 2: Number of Participants With Clinically Significant Vital Sign Abnormalities
Time Frame: Up to approximately Day 15
Vital sign parameters include temperature, systolic BP, diastolic BP, respiratory rate, and HR assessment.
Up to approximately Day 15
Part 2: Number of Participants With Clinically Significant Laboratory Assessment Abnormalities
Time Frame: Up to approximately Day 14
Up to approximately Day 14
Part 2: Number of Participants With Clinically Significant 12-Lead ECG Abnormalities
Time Frame: Up to approximately Day 15
Up to approximately Day 15
Part 2: Number of Participants With Clinically Significant C-SSRS Abnormalities
Time Frame: Up to approximately Day 15
Up to approximately Day 15
Part 2: Number of Participants With Clinically Significant Neurological Examination Abnormalities
Time Frame: Up to approximately Day 15
Up to approximately Day 15
Part 2: Number of Participants With Physical Examination Abnormalities
Time Frame: Up to approximately Day 15
Up to approximately Day 15
Part 2: Cmax of BMS-986419
Time Frame: Up to approximately Day 15
Up to approximately Day 15
Part 2: Tmax of BMS-986419
Time Frame: Up to approximately Day 15
Up to approximately Day 15
Part 2: AUC(0-T) of BMS-986419
Time Frame: Up to approximately Day 15
Up to approximately Day 15
Part 2: AUC(TAU) of BMS-986419
Time Frame: Up to approximately Day 15
Up to approximately Day 15
Part 2: T-Half of BMS-986419
Time Frame: Up to approximately Day 15
Up to approximately Day 15
Part 2: AI_Cmax of BMS-986419
Time Frame: Up to approximately Day 15
Up to approximately Day 15
Part 2: AI_AUC(TAU) of BMS-986419
Time Frame: Up to approximately Day 15
Up to approximately Day 15
Part 2: Trough Concentration of BMS-986419
Time Frame: Up to approximately Day 15
Up to approximately Day 15

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Investigators

  • Study Director: Bristol-Myers Squibb, Bristol-Myers Squibb

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

February 27, 2025

Primary Completion (Actual)

October 21, 2025

Study Completion (Actual)

October 21, 2025

Study Registration Dates

First Submitted

February 21, 2025

First Submitted That Met QC Criteria

February 21, 2025

First Posted (Actual)

February 26, 2025

Study Record Updates

Last Update Posted (Actual)

November 17, 2025

Last Update Submitted That Met QC Criteria

November 14, 2025

Last Verified

November 1, 2025

More Information

Terms related to this study

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

YES

IPD Plan Description

BMS will provide access to individual anonymized participant data upon request from qualified researchers, and subject to certain criteria. Additional information regarding Bristol Myer Squibb's data sharing policy and process can be found at: https://www.bms.com/researchers-and-partners/clinical-trials-and-research/disclosure-commitment.html

IPD Sharing Time Frame

See plan description

IPD Sharing Access Criteria

See plan description

IPD Sharing Supporting Information Type

  • STUDY_PROTOCOL
  • SAP
  • CSR

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

Yes

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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