Irritability Associated With Autism Spectrum Disorder
Conditions
Keywords
Cobenfy, Autism Spectrum Disorder
Brief summary
The purpose of this study is to assess KarXT + KarX-EC for the treatment of irritability associated with autism in children and adolescents.
Interventions
Specified dose on specified days
Specified dose on specified days
Specified dose on specified days
Sponsors
Study design
Eligibility
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 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/
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Change From Baseline in the Aberrant Behavior Checklist Irritability (ABC-I) Score at Week 8 | Week 8 |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Change From Baseline in the Clinical Global Impression-Severity (CGI-S) Score at Week 8 | Week 8 | — |
| Number of Participants With ABC-I Response at Week 8 | Week 8 | ABC-I response is determined by ≥ 25% reduction in ABC-I score from baseline. |
| Change From Baseline on the ABC Subscale for Social Withdrawal at Week 8 | Week 8 | — |
| Change From Baseline on the Stereotypic Behavior Subscale at Week 8 | Week 8 | — |
| Change From Baseline on the Hyperactivity/Noncompliance Subscale at Week 8 | Week 8 | — |
| Change From Baseline on the Inappropriate Speech Subscale at Week 8 | Week 8 | — |
| Clinical Global Impression-Improvement (CGI-I) Score at Week 8 | Week 8 | — |
| Number of Participants With Procholinergic Symptoms | Up to approximately 12 weeks | — |
| Number of Participants With Anticholinergic Symptoms | Up to approximately 12 weeks | — |
| Number of Participants With Treatment-emergent Adverse Events (TEAEs) | Up to approximately 12 weeks | — |
| Number of Participants With Serious Adverse Events (SAEs) | Up to approximately 12 weeks | — |
| Number of Participants With Adverse Events of Special Interest (AESIs) | Up to approximately 12 weeks | — |
| Number of Participants With AEs Leading to Discontinuation of Study Intervention | Up to approximately 8 weeks | — |
| Plasma concentrations of KarXT | Up to approximately 8 weeks | — |
Countries
Australia, Canada, Puerto Rico, United States
Contacts
Bristol-Myers Squibb