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Recruiting Phase 3 Interventional

An Open-label Study of NNZ-2591 in Pediatric Participants With Phelan-McDermid Syndrome

ClinicalTrials.gov ID: NCT07593391

Public ClinicalTrials.gov record NCT07593391. 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 Sep 27, 2026, 12:24 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Phase 3 Open-label Extension Study to Investigate the Long-term Safety and Efficacy of Orally Administered NNZ-2591 in Pediatric Participants With Phelan-McDermid Syndrome

Brief summary

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

This Phase 3, open-label extension, multicenter study will evaluate long-term safety, tolerability and efficacy of NNZ-2591 in pediatric participants with Phelan- McDermid Syndrome.

Study identification

NCT ID
NCT07593391
Recruitment status
Recruiting
Study type
Interventional
Phase
Phase 3
Lead sponsor
Neuren Pharmaceuticals Limited
Industry
Enrollment
180 participants

Conditions and interventions

Interventions

Drug

Eligibility (public fields only)

Age range
3 Years to 12 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 7, 2026
Primary completion
Oct 28, 2028
Completion
Nov 11, 2028
Last update posted
Sep 20, 2026

2026 – 2028

United States locations

U.S. sites
9
U.S. states
7
U.S. cities
9
Facility City State ZIP Site status
Neuren PMS-302 Site #116 Birmingham Alabama 35233 Recruiting
Neuren PMS-302 Site#122 Glendale California 91203 Recruiting
Neuren PMS-302 Site#111 San Rafael California 94903 Recruiting
Neuren PMS-302 Site#109 Chevy Chase Maryland 20815 Recruiting
Neuren PMS-302 Site#106 Brookline Massachusetts 02445 Recruiting
Neuren PMS-302 Site#104 Lexington Massachusetts 02421 Recruiting
Neuren PMS-302 Site#101 New York New York 10029 Recruiting
Neuren PMS-302 Site#108 Cincinnati Ohio 02421 Recruiting
Neuren PMS-302 Site#115 Houston Texas 77030 Recruiting

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 NCT07593391, 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 Sep 20, 2026 · Synced Sep 27, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT07593391 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →