Under construction – not a live service
Sign in
Taking people in CanadaPhase 3

A Study of KarXT + KarX-EC for Treatment of Irritability in Children and Adolescents With Autism

Key facts

Where
Airdrie, Edmonton, Kingston, Montreal, and Toronto, CanadaSee the 5 sites
Phase
Phase 3

Could this be for you?

Answer for yourself. This is not a decision: only the study team can say whether you can take part.

  • Are you between 5 and 17 years old?

Source: NCT07284745, who can take part

Where in Canada

  • AirdrieAirdrie, CanadaNot yet recruiting
  • EdmontonEdmonton, CanadaNot yet recruiting
  • KingstonKingston, CanadaNot yet recruiting
  • CHU Sainte-JustineMontreal, CanadaTaking people
  • TorontoToronto, CanadaNot yet recruiting

Questions to ask the study team

  1. How often do I need to come in, and for how long each time?
  2. Are travel costs paid?
  3. Can I keep my own doctor?
  4. What happens if I want to stop?
Print a page for my doctor

Trial details

Who runs it
Bristol-Myers Squibb
Trial code
NCT07284745EU 2025-523189-26-00
Record updated
10 November 2026
Original description
The purpose of this study is to assess KarXT + KarX-EC for the treatment of irritability associated with autism in children and adolescents.Read full original descriptionShow less

A Phase 3, Multicenter, Randomized, Double-blind, Placebo-controlled Study to Assess the Efficacy, Safety, Tolerability, and Pharmacokinetics of KarXT + KarX-EC in Children and Adolescents (5 to 17 Years of Age) With Irritability Associated With Autism Spectrum Disorder

The purpose of this study is to assess KarXT + KarX-EC for the treatment of irritability associated with autism in children and adolescents.

Inclusion: 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 ABC-I ≥18 (Irritability subscale of the ABC) and CGIS specific to irritability ≥4, at screening and baseline (Day 1).

Exclusion: 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.

ClinicalTrials.gov NCT07284745 · EU CTIS 2025-523189-26-00