A Study to Evaluate the Efficacy and Safety of KarXT for the Treatment of Schizophrenia in Adolescents (EMERGENT TEEN)
A Phase 3 Multicenter, Randomized, Double-blind, Placebo-controlled Study to Evaluate the Efficacy and Safety of KarXT for the Treatment of Schizophrenia in Adolescents (13 to 17 Years of Age)
3 other identifiers
interventional
166
5 countries
41
Brief Summary
The purpose of this study is to evaluate the efficacy and safety of KarXT for treatment of Schizophrenia in adolescents.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for phase_3 schizophrenia
Started Jan 2026
Longer than P75 for phase_3 schizophrenia
41 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
December 16, 2025
CompletedFirst Posted
Study publicly available on registry
December 17, 2025
CompletedStudy Start
First participant enrolled
January 29, 2026
CompletedPrimary Completion
Last participant's last visit for primary outcome
December 18, 2029
ExpectedStudy Completion
Last participant's last visit for all outcomes
December 18, 2029
June 2, 2026
June 1, 2026
3.9 years
December 16, 2025
June 1, 2026
Conditions
Outcome Measures
Primary Outcomes (1)
Change From Baseline in Positive and Negative Syndrome Scale (PANSS) Total Score
Week 5
Secondary Outcomes (7)
Change From Baseline in Clinical Global Impression-Severity (CGI-S) Score
Week 5
Change From Baseline in PANSS Positive Subscale Score
Week 5
Change From Baseline in PANSS Negative Subscale Score
Week 5
Change From Baseline in PANSS Marder Negative Factor Score
Week 5
Number of Participants With PANSS Response
Week 5
- +2 more secondary outcomes
Study Arms (2)
KarXT
EXPERIMENTALPlacebo
PLACEBO COMPARATORInterventions
Eligibility Criteria
You may qualify if:
- Diagnosis of schizophrenia as defined by the The Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition,Text Revision (DSM-5-TR) criteria, confirmed by the Kiddie Schedule for Affective Disorders and Schizophrenia-Present and Lifetime version (K-SADS-PL) and experiencing symptoms of psychosis at screening (Visit 1).
- PANSS total score of at least 70 at screening (Visit 1) and randomization (Visit 2).
- Participant has a CGI-S score of ≥ 4 at screening (Visit 1) and randomization (Visit 2).
You may not qualify if:
- Any primary DSM-5-TR disorder other than schizophrenia within 12 months before screening.
- History or presence of clinically significant cardiovascular, pulmonary, hepatic impairment, renal, hematologic, GI, endocrine, immunologic, dermatologic, neurologic, or oncologic disease or any other condition that, in the opinion of the investigator, would jeopardize the safety of the participant or the validity of the study results.
- All grades of hepatic impairment (mild \[Child-Pugh Class A\], moderate \[Child-Pugh Class B\], and severe \[Child-Pugh Class C\]). Participants with known intellectual disability defined as an IQ less than 70; or, either clinical evidence or known social or school history indicative of intellectual disability.
- Any neurological disorder, except for Tourette's Syndrome.
- Participants who have either a systolic blood pressure (sBP) or diastolic blood pressure (dBP) meeting criteria for stage 2 HTN, regardless of the presence or absence of symptoms.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (41)
Advanced Research Center Inc.
Anaheim, California, 92805, United States
Inland Psychiatric Medical Group.
Chino, California, 91710, United States
Local Institution - 0024
Culver City, California, 90230, United States
Local Institution - 0083
Redlands, California, 92373, United States
Local Institution - 0089
San Francisco, California, 94158, United States
Apg Research, Llc
Orlando, Florida, 32803, United States
Atlanta Center for Medical Research
Atlanta, Georgia, 30331, United States
Salveo Integrative Health - Lawrenceville
Lawrenceville, Georgia, 30046, United States
Denali Health Atlanta, LLC
Stone Mountain, Georgia, 30083, United States
EmVenio Research Center - Prime Healthcare
Chicago, Illinois, 60622, United States
Local Institution - 0076
Boston, Massachusetts, 02115, United States
Local Institution - 0059
Worcester, Massachusetts, 01608, United States
Local Institution - 0061
Great Neck, New York, 11021, United States
University of Cincinnati Dept of Psychiatry and Behavioral Neuroscience
Cincinnati, Ohio, 45219, United States
Local Institution - 0113
Nashville, Tennessee, 37212, United States
Local Institution - 0046
Garland, Texas, 75043, United States
Local Institution - 0066
Spring, Texas, 77381, United States
Local Institution - 0050
Richmond, Virginia, 23284, United States
Local Institution - 0084
Ciudad Autónoma de Buenos Aires, Buenos Aires, C1107, Argentina
Local Institution - 0085
La Plata, Buenos Aires, 1900, Argentina
Local Institution - 0036
Buenos Aires, C1405BOA, Argentina
Local Institution - 0035
Córdoba, X5003DCE, Argentina
Local Institution - 0102
Santiago del Estero, 4200, Argentina
Local Institution - 0109
Bello, Antioquia, 051053, Colombia
Local Institution - 0009
Pereira, Risaralda Department, 660003, Colombia
Local Institution - 0001
Barranquilla, 080020, Colombia
Local Institution - 0020
Bogotá, 111166, Colombia
Local Institution - 0075
Chikugo-Shi, Fukuoka, 833-0041, Japan
Goryokai Medical Corporation - Goryokai Hospital
Sapporo, Hokkaido, 002-8029, Japan
Local Institution - 0025
Zentsujichó, Kagawa-ken, 765-8507, Japan
Local Institution - 0062
Miyakonojō, Miyazaki, 885-0093, Japan
Local Institution - 0086
Bunkyo-ku, Tokyo, 113-8431, Japan
Local Institution - 0056
Ōta-ku, Tokyo, 1438541, Japan
Local Institution - 0063
Yokohama, Kanagawa, 213-8507, Japan
Local Institution - 0029
Bucharest, Bucharest, 041914, Romania
Local Institution - 0031
Cluj-Napoca, Cluj, 400370, Romania
Local Institution - 0040
Bucharest, 021056, Romania
Local Institution - 0042
Bucharest, 031871, Romania
Local Institution - 0008
Iași, 700282, Romania
Local Institution - 0030
Sibiu, 550082, Romania
Local Institution - 0038
Timișoara, 300329, Romania
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 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
December 16, 2025
First Posted
December 17, 2025
Study Start
January 29, 2026
Primary Completion (Estimated)
December 18, 2029
Study Completion (Estimated)
December 18, 2029
Last Updated
June 2, 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