Safety and Efficacy of Brexpiprazole in the Treatment of Irritability Associated with Autism Spectrum Disorder: An 8-Week, Phase 3, Randomized, Double-Blind, Placebo-Controlled Trial and 26-Week Open-Label Extension in Children and Adolescents.

The effective management of irritability is a key need in young people with autism spectrum disorder (ASD). We evaluated the efficacy and safety of brexpiprazole in children and adolescents with irritability associated with ASD. This was an 8-week, phase 3, randomized, double-blind, placebo-controlled trial (NCT04174365) and 26-week, open-label extension (OLE, NCT04258839) of brexpiprazole (0.