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Trackers› Clinical trials› Dravet Syndrome
Clinical trial register · United States · industry-sponsored

Dravet Syndrome Trials in the USA

Every industry-sponsored study on the ClinicalTrials.gov registry that lists a US site and is open, about to open, active-but-closed, or enrolling by invitation. This deliberately excludes academic and other non-industry sponsors — the full US registry across all sponsors runs to over 22,000 recruiting studies alone.

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Source: ClinicalTrials.gov. Complete coverage of the industry-sponsored slice — all 9094 matching records are in this view (non-industry sponsors are out of scope by design, not truncated). Synced 17 Sep 2026, 08:23 UTC
9094
Studies in scope
industry-sponsored, all four open statuses
4935
Recruiting now
open to new participants
2188
Lead sponsors
across recruiting studies
Top states
California 6 Florida 6 Illinois 5 Colorado 4 Massachusetts 4
Narrow the registerReset
Recruitment status
Phase
Lead sponsor
Stoke Therapeutics, Inc2 Encoded Therapeutics1 Longboard Pharmaceuticals1 UCB BIOSCIENCES, Inc.1 Epygenix1
State
California6 Florida6 Illinois5 Colorado4 Massachusetts4
All 22 states
Target enrolment
to
8 of 9094 studies
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Status
Study
Lead sponsor
Phase
Enrol
US states
Start
Recruiting
ASCEND: Safety and Tolerability of ION337 for the Treatment of Dravet Syndrome
NCT07531745Dravet Syndrome
Ionis Pharmaceuticals, Inc.
Phase 1/2
32
Michigan, Minnesota, North Carolina, Tennessee, Washington
2026-05-21
Recruiting
A Double-blind Study Evaluating the Efficacy, Safety, and Tolerability of Zorevunersen in Patients With Dravet Syndrome
NCT06872125Dravet Syndrome
Stoke Therapeutics, Inc
Phase 3
170
Arizona, Arkansas, California, Colorado, District of Columbia, Florida, Illinois, Massachusetts
2025-06-04
Recruiting
A Phase 3, Placebo-Controlled Study to Investigate LP352 in Children and Adults With Dravet Syndrome (DS)
NCT06660394Dravet Syndrome
Longboard Pharmaceuticals
Phase 3
104
Arkansas, California, Colorado, District of Columbia, Florida, Georgia, Illinois, Maryland
2024-09-25
Active, closed
A Study to Evaluate Safety, Tolerability, and Pharmacokinetics of Fenfluramine (Hydrochloride) in Infants 1 Year to Less Than 2 Years of Age With Dravet Syndrome
NCT06118255Dravet Syndrome
UCB BIOSCIENCES, Inc.
Phase 3
25
Tennessee, Texas, Washington
2024-05-21
Recruiting
A Clinical Study to Evaluate the Safety and Efficacy of ETX101 in Infants and Children With SCN1A-Positive Dravet Syndrome
NCT05419492Dravet Syndrome
Encoded Therapeutics
Phase 1/2
47
California, Colorado, Florida, Illinois, Massachusetts, Michigan, Minnesota, North Carolina
2024-05-14
Active, closed
Assessment of Potential for Chronic Liver Injury in Participants Treated With Epidiolex (Cannabidiol) Oral Solution
NCT05044819Lennox Gastaut Syndrome, Dravet Syndrome, Tuberous Sclerosis Complex
Jazz Pharmaceuticals
Phase 4
154
Arkansas, California, Florida, Georgia, Kansas, Kentucky, Maryland, Massachusetts
2021-07-07
Active, closed
An Open-Label Extension Study of STK-001 for Patients With Dravet Syndrome
NCT04740476Dravet Syndrome
Stoke Therapeutics, Inc
Phase 2
60
California, Colorado, District of Columbia, Florida, Illinois, Iowa, Massachusetts, Michigan
2021-01-20
Recruiting
A Study of EPX-100 (Clemizole Hydrochloride) in Participants With Dravet Syndrome
NCT04462770Dravet Syndrome
Epygenix
Phase 3
150
Alabama, Arkansas, California, Connecticut, Delaware, Florida, Georgia, Illinois
2020-09-15
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1
Cite this view

Priya Life Science (2026). Clinical trial register: industry-sponsored studies with a US investigative site, filtered. Derived from ClinicalTrials.gov. Retrieved 17 September 2026. https://priyalifescience.com/clinical-trials-usa/condition/dravet-syndrome

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Listing here is informational and not medical advice; eligibility is determined by each study team. Compare pay for the teams running these studies in the US Pharma Salary Guide, see who's behind them in the US Company Directory, or track approvals on the FDA Approvals Tracker. For Irish, UK and EU sites, see the Ireland, UK and EU registers.