← Back to Search

Other

Pimavanserin for Autism

Phase 2
Waitlist Available
Led By Jeremy Veenstra-VanderWeele, MD
Research Sponsored by New York State Psychiatric Institute
Eligibility Criteria Checklist
Specific guidelines that determine who can or cannot participate in a clinical trial
Must have
Be younger than 65 years old
Timeline
Screening 3 weeks
Treatment Varies
Follow Up post intervention, 30 days after study completion

Summary

This trial tests a new drug for Autism Spectrum Disorder in participants aged 16-40. It is randomized, placebo-controlled & cross-over designed to test safety & preliminary efficacy.

Who is the study for?
This trial is for individuals aged 16-40 with Autism Spectrum Disorder, as confirmed by a licensed psychiatrist or psychologist and supported by ADOS-2. Participants must have repetitive behavior severity of moderate or above, an IQ over 70, speak English, and live with someone who can report on their behalf. They should be stable on current medications/therapies and able to take oral medication.
What is being tested?
The study tests the safety and potential effectiveness of Pimavanserin Tartrate (34 Mg) compared to a placebo in treating rigid-compulsive symptoms in those with Autism Spectrum Disorder. It's a randomized, cross-over design where participants will receive both treatments at different times followed by an open label extension.
What are the potential side effects?
Potential side effects of Pimavanserin may include mood changes, sleep disturbances, nausea, fatigue, irregular heart rhythm among others. The exact side effects experienced can vary from person to person.

Timeline

Screening ~ 3 weeks
Treatment ~ Varies
Follow Up ~post intervention, 30 days after study completion
This trial's timeline: 3 weeks for screening, Varies for treatment, and post intervention, 30 days after study completion for reporting.

Treatment Details

Study Objectives

Study objectives can provide a clearer picture of what you can expect from a treatment.
Primary study objectives
Evaluate pimavanserin for treatment of restricted/repetitive behavior in ASD
Evaluate the impact of a single dose of pimavanserin 34 mg versus placebo
Secondary study objectives
Explore the effects of pimavanserin on an electroencephalogram event-related potential (EEG/ERP) reversal learning test

Trial Design

2Treatment groups
Experimental Treatment
Placebo Group
Group I: Pimavanserin tartrateExperimental Treatment1 Intervention
Pimavanserin 34 mg white to off-white capsules.
Group II: PlaceboPlacebo Group1 Intervention
Placebo to Pimavanserin tartrate

Find a Location

Who is running the clinical trial?

Research Foundation for Mental Hygiene, Inc.OTHER
66 Previous Clinical Trials
20,778 Total Patients Enrolled
2 Trials studying Autism Spectrum Disorder
80 Patients Enrolled for Autism Spectrum Disorder
University of Kansas Medical CenterOTHER
517 Previous Clinical Trials
177,268 Total Patients Enrolled
4 Trials studying Autism Spectrum Disorder
592 Patients Enrolled for Autism Spectrum Disorder
Weill Medical College of Cornell UniversityOTHER
1,092 Previous Clinical Trials
1,154,756 Total Patients Enrolled
7 Trials studying Autism Spectrum Disorder
11,365 Patients Enrolled for Autism Spectrum Disorder
New York State Psychiatric InstituteLead Sponsor
479 Previous Clinical Trials
153,800 Total Patients Enrolled
2 Trials studying Autism Spectrum Disorder
56 Patients Enrolled for Autism Spectrum Disorder
ACADIA Pharmaceuticals Inc.Industry Sponsor
47 Previous Clinical Trials
11,574 Total Patients Enrolled
2 Trials studying Autism Spectrum Disorder
465 Patients Enrolled for Autism Spectrum Disorder
Jeremy Veenstra-VanderWeele, MDPrincipal InvestigatorNew York State Psychiatric Institute
4 Previous Clinical Trials
127 Total Patients Enrolled
1 Trials studying Autism Spectrum Disorder
32 Patients Enrolled for Autism Spectrum Disorder
Matthew Mosconi, PhDPrincipal InvestigatorUniversity of Kansas Center for Autism Research and Training

Media Library

Pimavanserin (Other) Clinical Trial Eligibility Overview. Trial Name: NCT05999240 — Phase 2
Autism Spectrum Disorder Research Study Groups: Pimavanserin tartrate, Placebo
Autism Spectrum Disorder Clinical Trial 2023: Pimavanserin Highlights & Side Effects. Trial Name: NCT05999240 — Phase 2
Pimavanserin (Other) 2023 Treatment Timeline for Medical Study. Trial Name: NCT05999240 — Phase 2
~20 spots leftby Feb 2026