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Completed Phase 3 Interventional Results available

A Study of Soticlestat as an Add-on Therapy in Children and Young Adults With Dravet Syndrome

ClinicalTrials.gov ID: NCT04940624

Public ClinicalTrials.gov record NCT04940624. 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 6, 2026, 4:25 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 Multicenter, Randomized, Double-Blind, Placebo-Controlled, Parallel Group Study to Evaluate the Efficacy, Safety, and Tolerability of Soticlestat as Adjunctive Therapy in Pediatric and Young Adult Subjects With Dravet Syndrome (DS)

Brief summary

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

The main aim of the study is to learn if soticlestat, when given as an add-on therapy, reduces the number of convulsive seizures in children and young adults with DS. Participants will receive their standard antiseizure therapy, plus either a tablet of soticlestat or placebo for 16 weeks. A placebo looks just like soticlestat but will not have any medicine in it. Participants may continue treatment in an extension study, based on the extension study's entry criteria. Those that want to stop treatment will have a gradual dose reduction during 1 week and then be followed up for 2 weeks.

Study identification

NCT ID
NCT04940624
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Takeda
Industry
Enrollment
144 participants

Conditions and interventions

Interventions

Drug

Eligibility (public fields only)

Age range
2 Years to 21 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 27, 2021
Primary completion
Apr 10, 2024
Completion
Apr 10, 2024
Last update posted
Sep 3, 2026

2021 – 2024

United States locations

U.S. sites
10
U.S. states
8
U.S. cities
10
Facility City State ZIP Site status
Phoenix Childrens Hospital Phoenix Arizona 85016-7710
David Geffen School of Medicine at UCLA Los Angeles California 90095-3075
University of California Benioff Children's Hospital San Francisco California 94143-2350
Clinical Integrative Research Center of Atlanta Atlanta Georgia 30328
University of Iowa Hospitals & Clinics - (CRS) Iowa City Iowa 52242-1009
NYU Comprehensive Epilepsy Center New York New York 10016
University of Toledo Toledo Ohio 43606-3818
Medical University of South Carolina Charleston South Carolina 29403
Seattle Children's Hospital Seattle Washington 98105-3901
Multicare Health System - Mary Bridge Pediatrics Tacoma Washington 98405

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 56 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04940624, 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 3, 2026 · Synced Sep 6, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT04940624 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →