KarXT + KarX-EC for irritability in kids and teens with autism
Official title: A Phase 3, Multicenter, Randomized, Double-blind, Placebo-controlled Study to Assess the Efficacy, Safety, and Tolerability of KarXT + KarX-EC in Children and Adolescents (5 to 17 Years of Age) With Irritability Associated With Autism Spectrum Disorder
Run by Bristol-Myers Squibb · NCT07285798 · Data updated 2026-11-12
This study tests whether KarXT plus KarX-EC can reduce irritability in children and adolescents with autism.
Quick facts
| Phase | Phase 3 |
|---|---|
| Study type | Interventional |
| Ages | 5 Years to 17 Years |
| Sex | All |
| Enrollment | 176 (estimated) |
| Sponsor | Bristol-Myers Squibb Industry-sponsored |
| Locations | 67 sites (Phoenix, Arizona and 66 other locations) |
| Status | Recruiting |
| Started | October 6, 2026 |
| Main results expected | August 6, 2029 |
| Study ends | August 6, 2029 |
| Registry record updated | November 10, 2026 |
| Trial ID | NCT07285798 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Children and adolescents with a confirmed ASD diagnosis who show irritability and meet the specified ABC-I and CGIS thresholds at screening/baseline.
✕Probably not a fit
Some eligible participants may not experience a noticeable reduction in irritability or may experience intolerable side effects.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
This Phase 3 interventional trial evaluates the combination of KarXT and KarX-EC, and a matching placebo, for treating irritability associated with autism spectrum disorder in participants aged pediatric to adolescent. Eligible participants must have an ASD diagnosis with irritability and meet specific behavioral scale thresholds. The study compares the combination treatment to placebo to determine its effect on irritability while monitoring safety in a real-world clinical setting.
Why it matters
Potential benefit: If successful, participants could experience reduced irritability and improved daily functioning.
How similar studies have gone: Previous studies in related neuropsychiatric domains have shown signals of efficacy with similar multi-drug approaches, but this exact combination in ASD irritability is novel.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria * Participants must have a confirmed diagnosis of ASD, as defined by the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition, Text Revision (DSM-5-TR) criteria, confirmed by the K-SADS-PL and must be experiencing symptoms of irritability. * Participants must have an ABC-I ≥18 (Irritability subscale of the ABC) and CGIS specific to irritability ≥4, at screening and baseline (Day 1). Exclusion Criteria * Participants must not have a current primary DSM-5 diagnosis of bipolar disorder, including bipolar II disorder, schizophrenia, schizoaffective disorder, major depressive episode as determined by clinical instrument, or post-traumatic stress disorder (PTSD). * Exception Include: Participants with comorbid ADHD, provided that attention deficit/hyperactivity disorder (ADHD) is not the primary disorder, the participant is adequately treated and based on the investigator judgment the disorder is clinically stable. * Participants must not have history/presence of clinically significant disease or disorder that would jeopardize participant safety or validity of study results. * Participants must not have a risk for suicidal behavior, and any clinically significant abnormal laboratory test. * Other protocol-defined Inclusion/Exclusion criteria may apply.
Where it's running
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Cortica - Glendale
Glendale, California, United States Recruiting -
Cortica - Marin
San Rafael, California, United States Recruiting -
EmVenio Research - Chicago
Chicago, Illinois, United States Recruiting -
Local Institution - 0062
Phoenix, Arizona, United States Not yet recruiting -
Local Institution - 0117
Los Angeles, California, United States Not yet recruiting -
Local Institution - 0126
Orange, California, United States Not yet recruiting
Show 44 more locations
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Local Institution - 0132
San Diego, California, United States Not yet recruiting -
Local Institution - 0115
San Juan Capistrano, California, United States Not yet recruiting -
Local Institution - 0130
New Haven, Connecticut, United States Not yet recruiting -
Local Institution - 0048
Gainesville, Florida, United States Not yet recruiting -
Local Institution - 0080
Orlando, Florida, United States Not yet recruiting -
Local Institution - 0072
Decatur, Georgia, United States Not yet recruiting -
Local Institution - 0026
Chicago, Illinois, United States Withdrawn -
Local Institution - 0051
Lexington, Massachusetts, United States Not yet recruiting -
Local Institution - 0140
Bloomfield Hills, Michigan, United States Not yet recruiting -
Local Institution - 0016
Columbia, Missouri, United States Not yet recruiting -
Local Institution - 0036
Saint Charles, Missouri, United States Not yet recruiting -
Local Institution - 0046
Lincoln, Nebraska, United States Not yet recruiting -
Local Institution - 0114
Neptune City, New Jersey, United States Not yet recruiting -
Local Institution - 0038
Staten Island, New York, United States Not yet recruiting -
Local Institution - 0052
Cincinnati, Ohio, United States Not yet recruiting -
Local Institution - 0003
Pittsburgh, Pennsylvania, United States Not yet recruiting -
Local Institution - 0125
Spring, Texas, United States Not yet recruiting -
Local Institution - 0009
Orem, Utah, United States Not yet recruiting -
Local Institution - 0019
Everett, Washington, United States Not yet recruiting -
Local Institution - 0088
Bordeaux, France Withdrawn -
Local Institution - 0102
Bron, France Not yet recruiting -
Local Institution - 0089
Paris, France Not yet recruiting -
Local Institution - 0103
Gdansk, Germany Not yet recruiting -
Local Institution - 0111
Budapest, Hungary Withdrawn -
Local Institution - 0127
Budapest, Hungary Not yet recruiting -
Local Institution - 0110
Szeged, Hungary Not yet recruiting -
Local Institution - 0096
Kozhikode, Kerala, India Not yet recruiting -
Local Institution - 0136
Nashik, Maharashtra, India Not yet recruiting -
Local Institution - 0139
Pune, Maharashtra, India Not yet recruiting -
Local Institution - 0101
Sakri, Maharashtra, India Not yet recruiting -
Local Institution - 0138
Kanpur, Uttar Pradesh, India Not yet recruiting -
Local Institution - 0099
Nagpur, India Not yet recruiting -
Local Institution - 0137
New Delhi, India Not yet recruiting -
Local Institution - 0094
Miyakonojō, Miyazaki, Japan Not yet recruiting -
Local Institution - 0128
Kashihara, Nara, Japan Not yet recruiting -
Local Institution - 0090
Hirakata, Osaka, Japan Not yet recruiting -
Local Institution - 0095
Yoshinogari-cho, Kanzaki-gun, Saga-ken, Japan Not yet recruiting -
Local Institution - 0091
Ōta-ku, Tokyo, Japan Not yet recruiting -
Local Institution - 0093
Yokohama, Kanagawa, Japan Not yet recruiting -
Local Institution - 0108
Poznan, Greater Poland Voivodeship, Poland Not yet recruiting -
Local Institution - 0105
Wroclaw, Lower Silesian Voivodeship, Poland Withdrawn -
Local Institution - 0107
Warsaw, Masovian Voivodeship, Poland Withdrawn -
Local Institution - 0106
Gdansk, Pomeranian Voivodeship, Poland Not yet recruiting -
Local Institution - 0113
Szczecin, West Pomeranian Voivodeship, Poland Withdrawn
+17 more sites. See ClinicalTrials.gov for the full list.
Study contacts
- Study coordinator: BMS Clinical Trials Contact Center www.BMSClinicalTrials.com
- Email: Clinical.Trials@bms.com
- Phone: 855-907-3286
Similar studies
Other studies for the same condition or treatment. Recruiting studies are listed first.
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KarXT plus KarX-EC for irritability in children and teens with autism
This study tests whether KarXT with KarX-EC, compared to a matching placebo, can reduce irritability in kids and adolescents who have autism.
-
Treatment of irritability in children with Autism Spectrum Disorder using Lumateperone
This study is testing if a medication called Lumateperone can help reduce irritability in children with Autism Spectrum Disorder aged 5 to 17.
-
Treatment of irritability in children with autism using lumateperone
This study is testing if a medication called lumateperone can help reduce irritability in children with autism, ages 5 to 17.
How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.