Pimavanserin for the Treatment of Irritability Associated With Autism Spectrum Disorder
Public ClinicalTrials.gov record NCT05523895. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
All trial information on this site comes from the official ClinicalTrials.gov public API (clinicaltrials.gov/api/v2), run by the U.S. National Library of Medicine. We only display that public information; we do not add opinions, endorsements, or any other intent. Always review the official ClinicalTrials.gov record for the latest information.
Official title
A Phase 2, Randomized, Double-blind, Placebo-controlled Study to Evaluate the Efficacy and Safety of Pimavanserin for the Treatment of Irritability Associated With Autism Spectrum Disorder
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
6-week, randomized, double-blind, fixed-dose, placebo-controlled, parallel group study in children and adolescents (aged 5 to17 years) with autism spectrum disorder (ASD) with irritability, agitation, or self-injurious behaviors to study the efficacy and safety of pimavanserin
Study identification
- NCT ID
- NCT05523895
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 2, Phase 3
- Enrollment
- 237 participants
Conditions and interventions
Eligibility (public fields only)
- Age range
- 5 Years to 17 Years
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Aug 9, 2022 (Actual)
- Primary completion
- Sep 27, 2024 (Actual)
- Completion
- Sep 27, 2024 (Actual)
- Last update posted
- Aug 24, 2025
2022 – 2024
United States locations
- U.S. sites
- 18
- U.S. states
- 13
- U.S. cities
- 18
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Southwest Autism Research & Resource Center | Phoenix | Arizona | 85006 | — |
| Cortica Inc. (Glendale) | Glendale | California | 91361 | — |
| Cortica Inc. (San Rafael) | San Rafael | California | 94903 | — |
| 1st Allergy and Clinical Research Group, d/b/a IMUNOe Research Centers | Centennial | Colorado | 80112 | — |
| Children's Research Institute | Washington D.C. | District of Columbia | 20010 | — |
| The EHS Medical Practice, PA, D/B/A Sarkis Clinical Trials | Gainesville | Florida | 32607 | — |
| APG Research, LLC | Orlando | Florida | 32803 | — |
| AMR Baber Research Incorporated | Naperville | Illinois | 60563 | — |
| Clinical Research of Southern Nevada, LLC | Las Vegas | Nevada | 89128 | — |
| ERG Clinical Research - New York, PLLC DBA Richmond Behavioral Associates | Staten Island | New York | 10314 | — |
| Quest Therapeutics of Avon Lake dba Haidar Almhana Nieding LLC | Avon Lake | Ohio | 44012 | — |
| Cincinnati Children's Hospital Medical Center | Cincinnati | Ohio | 45229 | — |
| The Children's Hospital of Philadelphia | Philadelphia | Pennsylvania | 19146 | — |
| Medical University of South Carolina | Charleston | South Carolina | 29425 | — |
| Relaro Medical Trials, LLC | Dallas | Texas | 75243 | — |
| Red Oak Psychiatry Associates, PA | Houston | Texas | 77090 | — |
| AIM Trials, LLC | Plano | Texas | 75093 | — |
| Eastside Therapeutic Resource, Inc. dba Core Clinical Research | Everett | Washington | 98201 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
Non-U.S. locations
This page focuses on the U.S. directory. The official record also lists 39 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT05523895, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Aug 24, 2025 · Synced Nov 5, 2026
Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.
Open the official record
The complete public registry record, listed eligibility criteria, and available contact information for NCT05523895 live on ClinicalTrials.gov.