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Clinical Trial Summary

52-week, open-label extension study of double-blind study ACP-103-069 to determine the long-term safety and tolerability of pimavanserin for the treatment of irritability associated with ASD in children and adolescents (aged 5 to 17 years). ACP-103-069 is a 6-week, randomized, double-blind, fixed-dose, placebo controlled, parallel group study of pimavanserin in children and adolescents with irritability associated with autism spectrum disorder (ASD).


Clinical Trial Description

This study will be conducted as a 52-week, open-label extension study of the antecedent double-blind study to determine the long-term safety and tolerability of pimavanserin for the treatment of irritability associated with ASD in children and adolescents (5 through 17 years old at the time of enrolling into the antecedent double-blind study). ;


Study Design


Related Conditions & MeSH terms


NCT number NCT05555615
Study type Interventional
Source ACADIA Pharmaceuticals Inc.
Contact Sharon Ortiz
Phone 646-397-7336
Email Sharon.Ortiz@acadia-pharm.com
Status Recruiting
Phase Phase 2/Phase 3
Start date November 2, 2022
Completion date July 2025

See also
  Status Clinical Trial Phase
Terminated NCT05733390 - A Study of JZP541 in Adults With Irritability Associated With Autism Spectrum Disorder Phase 2
Completed NCT04258839 - Brexpiprazole in Treatment of Children and Adolescents With Irritability Associated With Autism Spectrum Disorder for Subjects That Have Completed Participation in 331-201-00148 Phase 3
Recruiting NCT05523895 - Pimavanserin for the Treatment of Irritability Associated With Autism Spectrum Disorder Phase 2/Phase 3