Independent directory Public ClinicalTrials.gov records United States
ClinicalTrials.gov record
Withdrawn Phase 2 Interventional

A Study of JZP541 in Adults With Irritability Associated With Autism Spectrum Disorder

ClinicalTrials.gov ID: NCT05733390

Public ClinicalTrials.gov record NCT05733390. 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.

ClinicalTrials.gov public records Last synced Nov 4, 2026, 7:55 AM EST

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 Investigate the Efficacy and Safety of JZP541 in Adults With Irritability Associated With Autism Spectrum Disorder

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

Behavior dysregulation is commonly associated with people with autism spectrum disorder (ASD). Irritability is a major safety concern in adults with ASD. This study will assess the efficacy and safety of JZP541 in the treatment of adults with irritability associated with ASD.

Study identification

NCT ID
NCT05733390
Recruitment status
Withdrawn
Study type
Interventional
Phase
Phase 2
Lead sponsor
Jazz Pharmaceuticals
Industry
Enrollment
Not listed

Conditions and interventions

Eligibility (public fields only)

Age range
18 Years to 45 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
Jun 30, 2023 (Actual)
Primary completion
Nov 9, 2023 (Actual)
Completion
Nov 9, 2023 (Actual)
Last update posted
Nov 8, 2024

2023

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
Albert Einstein College of Medicine The Bronx New York 10461 —

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT05733390, 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 Nov 8, 2024 · Synced Nov 4, 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 NCT05733390 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →