Skip to content

A Study to Evaluate Novel KarX and KarT Prototypes Versus the KarXT and KarX-EC Reference Following Single Doses, and to Explore the Effect of Food After Multiple Doses of Selected Prototypes in Healthy Adult Participants

Phase 1, 3-Part, Open-label Study to Evaluate the Pharmacokinetics of Novel KarX (BMS-986519) and KarT (BMS-986520) Prototypes Versus the KarXT (BMS-986510) and KarX-EC (BMS-986519) Reference Following Single Doses, and to Explore the Effect of Food After Multiple Doses of Selected Prototypes in Healthy Adult Participants

Status
Recruiting
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT07063342
Enrollment
72
Registered
2025-07-14
Start date
2025-06-27
Completion date
2026-08-15
Last updated
2025-12-19

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Healthy Volunteers

Brief summary

The purpose of this study is to evaluate novel KarX and KarT prototypes versus the KarXT and KarX-EC reference following single doses, and to explore the effect of food after multiple doses of selected prototypes in healthy adult participants.

Interventions

Specified dose on specified days

Specified dose on specified days

Specified dose on specified days

Sponsors

Bristol-Myers Squibb
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to 55 Years
Healthy volunteers
Yes

Inclusion criteria

* BMI between 18.0 kg/m2 to 32.0 kg/m2, inclusive, at screening. * Other protocol-defined Inclusion/

Exclusion criteria

apply.

Design outcomes

Primary

MeasureTime frame
Maximum observed concentration (Cmax)Up to Day 23
Time of maximum observed concentration (Tmax)Up to Day 23
Area under the concentration-time curve from time zero to time of last quantifiable concentration (AUC(0-T))Up to Day 23
Area under the concentration-time curve from time zero extrapolated to infinite time (AUC(INF))Up to Day 23
Area under the concentration-time curve in 1 dosing interval (AUC(TAU))Up to Day 23
Concentration at the end of a dosing interval (Ctau)Up to Day 23
Apparent total body clearance (CLT/F)Up to Day 23
Effective elimination half-life during dosing interval (T-HALF(eff))Up to Day 23

Secondary

MeasureTime frame
Columbia-Suicide Severity Rating Scale (C-SSRS)Up to Day 25
Geometric mean ratio of CmaxUp to Day 23
Number of participants with Treatment Emergent Adverse Events (TEAEs)Up to 30 days after final dose of study intervention
Geometric mean ratio of AUC(INF)Up to Day 23
Geometric mean ratio of area under the concentration-time curve in 1 dosing interval (AUC(TAU))Up to Day 23
Geometric mean ratio of AUC(0-T)Up to Day 23
Number of participants with Serious Adverse Events (SAEs)Up to 30 days after final dose of study intervention
Number of participants with Adverse Events of Special Interest (AESIs)Up to 30 days after final dose of study intervention
Number of participants with AEs leading to discontinuationUp to 30 days after final dose of study intervention
Number of participants with vital signs abnormalitiesUp to 30 days after final dose of study intervention
Number of participants with electrocardiogram (ECG) abnormalitiesUp to 30 days after final dose of study intervention
Number of participants with physical examination abnormalitiesUp to 30 days after final dose of study intervention
Number of participants with clinical laboratory abnormalitiesUp to 30 days after final dose of study intervention

Countries

United Kingdom

Contacts

Primary ContactBMS Clinical Trials Contact Center www.BMSClinicalTrials.com
Clinical.Trials@bms.com855-907-3286
Backup ContactFirst line of the email MUST contain the NCT# and Site #.

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026