A Study to Evaluate the Safety, Tolerability, and PK of an Injectable Form of KarXT
An Open-label, Phase 1, Dose-Finding Study to Characterize the Safety, Tolerability, and Pharmacokinetics of a Long-Acting Injectable KarXT Formulation in Participants With Schizophrenia
1 other identifier
interventional
116
1 country
8
Brief Summary
A study to evaluate the safety, tolerability, and PK of an injectable form of KarXT in participants with schizophrenia
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for phase_1 schizophrenia
Started Sep 2025
Typical duration for phase_1 schizophrenia
8 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
July 2, 2025
CompletedFirst Posted
Study publicly available on registry
July 11, 2025
CompletedStudy Start
First participant enrolled
September 3, 2025
CompletedPrimary Completion
Last participant's last visit for primary outcome
June 21, 2027
ExpectedStudy Completion
Last participant's last visit for all outcomes
October 15, 2027
June 12, 2026
June 1, 2026
1.8 years
July 2, 2025
June 11, 2026
Conditions
Keywords
Outcome Measures
Primary Outcomes (3)
Number of participants with adverse events (AEs)
Up to 3 weeks
Number of participants with adverse events of special interest (AESIs)
Up to 3 weeks
Number of participants with serious adverse events (SAEs)
Up to 3 weeks
Secondary Outcomes (11)
Maximum concentration (Cmax)
Up to 15 weeks
Time to maximum concentration (Tmax)
Up to 15 weeks
Area under the plasma concentration-time curve from time zero to time of last quantifiable concentration (AUC(0-T))
Up to 15 weeks
Area under the plasma concentration-time curve from time zero to infinity (AUC(INF))
Up to 15 weeks
Area under the plasma concentration-time curve from time zero to 672 hours (AUC(0-672))
Up to 15 weeks
- +6 more secondary outcomes
Study Arms (1)
Administration of KarXT
EXPERIMENTALInterventions
Eligibility Criteria
You may qualify if:
- Participants must have a primary diagnosis of schizophrenia, as confirmed by psychiatric evaluation based on Diagnostic and Statistical Manual of Mental Disorders (5th Edition, Text Revision) (DSM-5-TR) criteria and Mini International Neuropsychiatric Interview (MINI) (version 7.0.2).
- Participants must have a Positive and Negative Syndrome Scale (PANSS) total score ≤ 80 and a Clinical Global Impression - Severity (CGI-S) score ≤ 4 at both screening and baseline.
- Participants must have a body mass index (BMI) between 18 and 40 kg/m².
- Participants should be willing and able, as determined by the investigator, to discontinue all antipsychotic medications prior to the baseline visit and must be able to comply with all protocol requirements.
You may not qualify if:
- Participants must not have newly diagnosed schizophrenia or a first treated episode of schizophrenia.
- Participants must not have any other DSM-5-TR disorder diagnosed within the past 12 months, such as major depressive disorder or bipolar disorder.
- Participants must not have a history of alcohol or drug use disorder within the past 12 months or those with clinically significant disease or disorder that would jeopardize their safety or affect the validity of study results.
- Participants must not be at risk for suicidal behavior.
- Female participants must not be pregnant or breastfeeding.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (8)
Collaborative Neuroscience Research, LLC
Los Alamitos, California, 90720-3118, United States
Research Centers of America ( Hollywood )
Hollywood, Florida, 33024, United States
Innovative Clinical Research, Inc.
Miami Lakes, Florida, 33016, United States
Atlanta Center for Medical Research
Atlanta, Georgia, 30331, United States
CenExel iResearch, LLC
Decatur, Georgia, 30030, United States
Uptown Research Institute
Chicago, Illinois, 60640, United States
Hassman Research Institute Marlton Site
Marlton, New Jersey, 08053, United States
Community Clinical Research
Austin, Texas, 78754, United States
Related Links
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- STUDY DIRECTOR
Bristol-Myers Squibb
Bristol-Myers Squibb
Central Study Contacts
BMS Clinical Trials Contact Center www.BMSClinicalTrials.com
CONTACT
First line of the email MUST contain NCT # and Site #.
CONTACT
Study Design
- Study Type
- interventional
- Phase
- phase 1
- Allocation
- NON RANDOMIZED
- Masking
- NONE
- Purpose
- TREATMENT
- Intervention Model
- SEQUENTIAL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
July 2, 2025
First Posted
July 11, 2025
Study Start
September 3, 2025
Primary Completion (Estimated)
June 21, 2027
Study Completion (Estimated)
October 15, 2027
Last Updated
June 12, 2026
Record last verified: 2026-06
Data Sharing
- IPD Sharing
- Will share
- Shared Documents
- STUDY PROTOCOL, SAP, CSR
- Time Frame
- See Plan Description
- Access Criteria
- See 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.html