Relapse Prevention Trial Evaluating KarXT Treatment in Schizophrenia
A Phase 3 Double-blind, Placebo-controlled Randomized Withdrawal Maintenance Trial of KarXT Treatment in Participants With Schizophrenia
3 other identifiers
interventional
472
9 countries
61
Brief Summary
The purpose of the study is to evaluate the relapse prevention of KarXT in the treatment of 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_3 schizophrenia
Started Sep 2026
Typical duration for phase_3 schizophrenia
61 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
June 30, 2026
CompletedFirst Posted
Study publicly available on registry
July 7, 2026
CompletedStudy Start
First participant enrolled
September 3, 2026
ExpectedPrimary Completion
Last participant's last visit for primary outcome
March 3, 2029
Study Completion
Last participant's last visit for all outcomes
March 3, 2029
July 7, 2026
June 1, 2026
2.5 years
June 30, 2026
June 30, 2026
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Time From Randomization to the First Relapse Event
Up to approximately Week 43
Secondary Outcomes (6)
Time to Discontinuation During Double-blind Treatment Period
Approximately From Week 18 to 43
Number of Participants With Treatment Emergent Adverse Events (TEAEs)
Up to approximately Week 45
Number of Participants With Adverse Events of Special Interest (AESIs)
Up to approximately Week 45
Number of Participants With Procholinergic Symptoms
Up to approximately Week 45
Number of Participants With Anticholinergic Symptoms
Up to approximately Week 45
- +1 more secondary outcomes
Study Arms (2)
KarXT
EXPERIMENTALPlacebo
PLACEBO COMPARATORInterventions
Specified dose on specified days
Eligibility Criteria
You may qualify if:
- Participant must have a primary diagnosis of schizophrenia for at least 1 year established by a comprehensive psychiatric evaluation based on the DSM-5-TR (American Psychiatric Association 2022) criteria and confirmed by MINI for Psychotic Disorder Studies version 7.0.2 at screening.
- Participant must have experienced hospitalization for schizophrenia within 1 year from the screening date.
- Participant must be experiencing residual schizophrenia symptoms and have a PANSS total score ≥70 to ≤ 110 at screening and Day -1.
- Participant much have a PANSS Score of ≥ 4 (moderate or greater) on ≥ 2 of the following Positive Scale (P) items at screening and Day -1:
- Item 1 (P1; delusions)
- Item 2 (P2; conceptual disorganization)
- Item 3 (P3; hallucinatory behavior)
- Item 6 (P6; suspiciousness/persecution)
- Participant must have a CGI-S score of ≥ 4 at screening and Day -1
- Participant must have a BMI ≥ 18 and ≤ 40 kg/m2.
You may not qualify if:
- Participant must not have any primary DSM-5 disorder other than schizophrenia within 12 months before screening
- Participants must not have a newly diagnosed or are experiencing their first treated episode of psychosis or schizophrenia.
- Participant must not have a risk of suicidal behavior as determined by the Investigator's clinical assessment and/or Columbia-suicide Severity Rating Scale (C-SSRS).
- Participant must not have had psychiatric hospitalization(s) for more than 30 days (cumulative) within the 6 months before screening.
- Participant must not have a history of treatment resistance to schizophrenia medications
- Participant must not have decrease in PANSS total score (floor adjusted) between screening and Day -1 of more than 20%.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (61)
Local Institution - 0133
Bentonville, Arkansas, 72712, United States
Local Institution - 0154
Bentonville, Arkansas, 72712, United States
Local Institution - 0139
Little Rock, Arkansas, 72204, United States
Local Institution - 0021
Little Rock, Arkansas, 72211, United States
Local Institution - 0153
Rogers, Arkansas, 72758, United States
Local Institution - 0190
Anaheim, California, 92805, United States
Local Institution - 0040
Bellflower, California, 90706, United States
Local Institution - 0188
Chino, California, 91710, United States
Local Institution - 0032
Culver City, California, 90230, United States
Local Institution - 0037
Garden Grove, California, 92845, United States
Local Institution - 0068
La Habra, California, 90631, United States
Local Institution - 0128
Lemon Grove, California, 91945, United States
Local Institution - 0187
Montclair, California, 91763, United States
Local Institution - 0151
Orange, California, 92868, United States
Local Institution - 0030
Pico Rivera, California, 90660, United States
Local Institution - 0185
Redlands, California, 92373, United States
Local Institution - 0186
Riverside, California, 92506, United States
Local Institution - 0149
Hollywood, Florida, 33021, United States
Local Institution - 0145
Hollywood, Florida, 33024, United States
Local Institution - 0075
Miami, Florida, 33135, United States
Local Institution - 0054
Miami Lakes, Florida, 33016, United States
Local Institution - 0134
Miami Springs, Florida, 33166, United States
Local Institution - 0044
West Palm Beach, Florida, 33407, United States
Local Institution - 0166
Atlanta, Georgia, 30331, United States
Local Institution - 0070
Sandy Springs, Georgia, 30328, United States
Local Institution - 0189
Savannah, Georgia, 31405, United States
Local Institution - 0067
Chicago, Illinois, 60640-5017, United States
Local Institution - 0056
Chicago, Illinois, 60641, United States
Local Institution - 0023
St Louis, Missouri, 63141, United States
Local Institution - 0135
Buffalo, New York, 14215, United States
Local Institution - 0183
Cincinnati, Ohio, 45219, United States
Local Institution - 0047
Oklahoma City, Oklahoma, 73112, United States
Local Institution - 0049
Austin, Texas, 78754, United States
Local Institution - 0175
Río Cuarto, Córdoba Province, 5800, Argentina
Local Institution - 0143
Buenos Aires, C1199ABB, Argentina
Local Institution - 0002
Córdoba, 5000, Argentina
Local Institution - 0144
Santiago del Estero, 4200, Argentina
Local Institution - 0191
Novi Iskar, 1282, Bulgaria
Local Institution - 0162
Brno, 625 00, Czechia
Local Institution - 0014
Klecany, 25067, Czechia
Local Institution - 0159
Aarhus, Central Jutland, 8200, Denmark
Local Institution - 0182
Hovedvejen 19, Frederiksberg, 2000, Denmark
Local Institution - 0157
Glostrup, Region Sjælland, 2600, Denmark
Local Institution - 0158
Aalborg, 9000, Denmark
Local Institution - 0123
Warsaw, Masovian Voivodeship, 02-957, Poland
Local Institution - 0122
Bialystok, Podlaskie Voivodeship, 15-272, Poland
Local Institution - 0120
Gdansk, Pomeranian Voivodeship, 80-214, Poland
Local Institution - 0001
Poznan, 60-744, Poland
Local Institution - 0103
Bucharest, Bucharest, 041914, Romania
Local Institution - 0105
Bucharest, Bucharest, 041914, Romania
Local Institution - 0107
Bucharest, Bucharest, 041914, Romania
Local Institution - 0110
Bucharest, Bucharest, 041914, Romania
Local Institution - 0174
Bucharest, 011241, Romania
Local Institution - 0106
Bucharest, 41914, Romania
Local Institution - 0109
Bucharest, 41914, Romania
Local Institution - 0055
Iași, 700282, Romania
Local Institution - 0112
Barcelona, Barcelona [Barcelona], 08003, Spain
Local Institution - 0101
Barcelona, Barcelona [Barcelona], 08035, Spain
Local Institution - 0167
Valladolid, 47012, Spain
Local Institution - 0181
Zamora, 49021, Spain
Local Institution - 0177
Oxford, Oxfordshire, OX3 7JX, United Kingdom
Related Links
MeSH Terms
Conditions
Interventions
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 3
- Allocation
- RANDOMIZED
- Masking
- QUADRUPLE
- Who Masked
- PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
June 30, 2026
First Posted
July 7, 2026
Study Start (Estimated)
September 3, 2026
Primary Completion (Estimated)
March 3, 2029
Study Completion (Estimated)
March 3, 2029
Last Updated
July 7, 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