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Terminated Phase 3 Interventional Results available

Efficacy and Safety of GWP42003-P Oral Solution in Children With Epilepsy With Myoclonic-atonic Seizures

ClinicalTrials.gov ID: NCT05288283

Public ClinicalTrials.gov record NCT05288283. 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 Oct 21, 2026, 9:51 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 Randomized, Double-blind, Placebo-controlled, Multisite, Phase 3 Study to Investigate the Efficacy and Safety of Cannabidiol Oral Solution (GWP42003-P) in Children and Adolescents With Epilepsy With Myoclonic-Atonic Seizures

Brief summary

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

The primary aim of Part A of the study to assess the efficacy and tolerability of GWP42003-P compared to placebo as an adjunctive treatment for children with Epilepsy with myoclonic-atonic seizures (EMAS) -associated seizures. Part B of this study will be conducted to evaluate the long-term safety and tolerability of GWP42003-P in participants with EMAS.

Study identification

NCT ID
NCT05288283
Recruitment status
Terminated
Study type
Interventional
Phase
Phase 3
Lead sponsor
Jazz Pharmaceuticals
Industry
Enrollment
3 participants

Conditions and interventions

Interventions

Drug

Eligibility (public fields only)

Age range
1 Year to 18 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
Oct 31, 2022 (Actual)
Primary completion
Sep 28, 2023 (Actual)
Completion
Sep 28, 2023 (Actual)
Last update posted
Feb 3, 2025

2022 – 2023

United States locations

U.S. sites
10
U.S. states
10
U.S. cities
10
Facility City State ZIP Site status
Children's Hospital of Alabama Birmingham Alabama 35233 —
University of California Davis Health Sacramento California 95817 —
Healthcare of Atlanta Atlanta Georgia 30329 —
Ann & Robert H. Lurie Children's Hospital Chicago Illinois 60611 —
Mayo Clinic Rochester Minnesota 55905 —
Wake Forest Baptist Health Sciences, Department of Neurology Winston-Salem North Carolina 27157 —
Cincinnati Children's Hospital Medical Center - TS Clinic Cincinnati Ohio 45229 —
Medical University of South Carolina Charleston South Carolina 29425 —
Dell's Children's Hospital Austin Texas 78723 —
Seattle Children's Hospital Seattle Washington 98105 —

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 4 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT05288283, 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 Feb 3, 2025 · Synced Oct 21, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT05288283 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →