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Showing 1–24 of 66 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Dravet Syndrome Clear all
Active, not recruiting Phase 2 Interventional

An Open-Label Extension Study of STK-001 for Patients With Dravet Syndrome

NCT04740476
View directory record Official record
Conditions
Dravet Syndrome
Interventions
zorevunersen (STK-001)
Drug
Lead sponsor
Stoke Therapeutics, Inc
Industry
Eligibility
30 Months and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2029
U.S. locations
17
States / cities
San Francisco, California • Aurora, Colorado • Washington D.C., District of Columbia + 14 more
Source: ClinicalTrials.gov public record
Updated Feb 3, 2026 · Synced Jul 21, 2026, 1:26 PM EDT
Completed Phase 2 Interventional Results available

Open-Label PoC Trial of Ganaxolone in Children With PCDH19 Female Pediatric Epilepsy and Other Rare Genetic Epilepsies

NCT02358538
View directory record Official record
Conditions
Epilepsy
Interventions
Ganaxolone
Drug
Lead sponsor
Marinus Pharmaceuticals
Industry
Eligibility
2 Years to 18 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
9
States / cities
Phoenix, Arizona • Sacramento, California • San Francisco, California + 6 more
Source: ClinicalTrials.gov public record
Updated Mar 20, 2023 · Synced Jul 21, 2026, 1:26 PM EDT
Completed Phase 3 Interventional Results available

Study of Adjunctive Ganaxolone Treatment in Children and Young Adults With CDKL5 Deficiency Disorder

NCT03572933
View directory record Official record
Conditions
CDKL5 Deficiency Disorder
Interventions
ganaxolone, Placebo
Drug
Lead sponsor
Marinus Pharmaceuticals
Industry
Eligibility
2 Years to 21 Years
Enrollment
101 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
17
States / cities
Phoenix, Arizona • Los Angeles, California • Aurora, Colorado + 14 more
Source: ClinicalTrials.gov public record
Updated Apr 13, 2023 · Synced Jul 21, 2026, 1:26 PM EDT
Completed Phase 2 Interventional Results available

Ataluren for Nonsense Mutation in CDKL5 and Dravet Syndrome

NCT02758626
View directory record Official record
Conditions
Epilepsy
Interventions
ataluren, Placebo
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
2 Years to 12 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 15, 2023 · Synced Jul 21, 2026, 1:26 PM EDT
Completed Phase 2 Interventional Results available

A Phase 2, Multicenter, Randomized, Double-blind, Placebo-controlled Study to Evaluate the Efficacy, Safety, and Tolerability of TAK-935 (OV935) as an Adjunctive Therapy in Pediatric Participants With Developmental and/or Epileptic Encephalopathies

NCT03650452
View directory record Official record
Conditions
Epilepsy, Dravet Syndrome, Lennox-Gastaut Syndrome
Interventions
TAK-935, Placebo
Drug
Lead sponsor
Takeda
Industry
Eligibility
2 Years to 17 Years
Enrollment
141 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
15
States / cities
Phoenix, Arizona • Los Angeles, California • Aurora, Colorado + 12 more
Source: ClinicalTrials.gov public record
Updated Feb 17, 2021 · Synced Jul 21, 2026, 1:26 PM EDT
Enrolling by invitation Phase 3 Interventional

A Study to Investigate LP352 in Children and Adults With Developmental and Epileptic Encephalopathy (DEE)

NCT06908226
View directory record Official record
Conditions
Developmental and Epileptic Encephalopathy
Interventions
LP352
Drug
Lead sponsor
Longboard Pharmaceuticals
Industry
Eligibility
2 Years to 66 Years
Enrollment
324 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
19
States / cities
Little Rock, Arkansas • Los Angeles, California • Palo Alto, California + 15 more
Source: ClinicalTrials.gov public record
Updated Jul 16, 2026 · Synced Jul 21, 2026, 1:26 PM EDT
Recruiting No phase listed Observational

International CDKL5 Clinical Research Network

NCT05558371
View directory record Official record
Conditions
CDKL5, CDKL5 Deficiency Disorder, CDD
Interventions
No intervention.
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
1 Month to 100 Years
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
8
States / cities
Los Angeles, California • Aurora, Colorado • Boston, Massachusetts + 5 more
Source: ClinicalTrials.gov public record
Updated Dec 5, 2023 · Synced Jul 21, 2026, 1:26 PM EDT
Completed Phase 2 Interventional Results available

A Dose-ranging Pharmacokinetics and Safety Study of GWP42003-P in Children With Dravet Syndrome (GWPCARE1)

NCT02091206
View directory record Official record
Conditions
Epilepsy, Dravet Syndrome
Interventions
GWP42003-P 5 mg/kg/day Dose, Placebo control, GWP42003-P 10 mg/kg/day Dose, GWP42003-P 20 mg/kg/day Dose
Drug
Lead sponsor
Jazz Pharmaceuticals
Industry
Eligibility
4 Years to 10 Years
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
8
States / cities
Miami, Florida • Atlanta, Georgia • Chicago, Illinois + 5 more
Source: ClinicalTrials.gov public record
Updated Sep 27, 2022 · Synced Jul 21, 2026, 1:26 PM EDT
Completed Phase 3 Interventional Results available

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

NCT04940624
View directory record Official record
Conditions
Dravet Syndrome (DS)
Interventions
Soticlestat, Placebo
Drug
Lead sponsor
Takeda
Industry
Eligibility
2 Years to 21 Years
Enrollment
144 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
10
States / cities
Phoenix, Arizona • Los Angeles, California • San Francisco, California + 7 more
Source: ClinicalTrials.gov public record
Updated Dec 31, 2024 · Synced Jul 21, 2026, 1:26 PM EDT
Recruiting Phase 3 Interventional

A Phase 3, Placebo-Controlled Study to Investigate LP352 in Children and Adults With Dravet Syndrome (DS)

NCT06660394
View directory record Official record
Conditions
Dravet Syndrome
Interventions
LP352, Placebo
Drug
Lead sponsor
Longboard Pharmaceuticals
Industry
Eligibility
2 Years to 65 Years
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
24
States / cities
Little Rock, Arkansas • Los Angeles, California • Palo Alto, California + 20 more
Source: ClinicalTrials.gov public record
Updated Jun 11, 2026 · Synced Jul 21, 2026, 1:26 PM EDT
Recruiting No phase listed Observational

Registry and Natural History of Epilepsy-Dyskinesia Syndromes

NCT06967727
View directory record Official record
Conditions
Epilepsy-Dyskinesia, Epilepsy, Dyskinesia, EDS, Epilepsy-Dyskinesia Syndomes, Epilepsy in Children, Dyskinesias, Movement Disorders in Children, Neurologic Disorder, Chorea, Myoclonus, Ataxia, Dystonia Disorder, Movement Disorders
Interventions
Not listed
Lead sponsor
Boston Children's Hospital
Other
Eligibility
0 Years to 30 Years
Enrollment
700 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 16, 2025 · Synced Jul 21, 2026, 1:26 PM EDT
Withdrawn Phase 3 Interventional

Clobazam as Adjunctive Therapy in Paediatric Patients Aged ≥1 to ≤16 Years With Dravet Syndrome

NCT02174094
View directory record Official record
Conditions
Dravet Syndrome
Interventions
Clobazam, Placebo
Drug
Lead sponsor
H. Lundbeck A/S
Industry
Eligibility
1 Year to 16 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015
U.S. locations
8
States / cities
Los Angeles, California • Orlando, Florida • Rochester, Minnesota + 4 more
Source: ClinicalTrials.gov public record
Updated Sep 23, 2015 · Synced Jul 21, 2026, 1:26 PM EDT
Not listed No phase listed Observational

Transcranial Magnetic Stimulation to Measure Cortical Excitability in Dravet Syndrome

NCT04614506
View directory record Official record
Conditions
Dravet Syndrome
Interventions
Transcranial Magnetic Stimulation (TMS), Electroencephalogram (EEG)
Device
Lead sponsor
Boston Children's Hospital
Other
Eligibility
6 Months to 30 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 21, 2022 · Synced Jul 21, 2026, 1:26 PM EDT
Terminated Phase 3 Interventional Results available

A Study of Lorcaserin as Adjunctive Treatment in Participants With Dravet Syndrome

NCT04572243
View directory record Official record
Conditions
Epilepsies, Myoclonic
Interventions
Placebo, Lorcaserin
Drug
Lead sponsor
Eisai Inc.
Industry
Eligibility
2 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
25
States / cities
Birmingham, Alabama • Los Angeles, California • San Diego, California + 20 more
Source: ClinicalTrials.gov public record
Updated Oct 7, 2025 · Synced Jul 21, 2026, 1:26 PM EDT
Completed No phase listed Observational

Biobanking of Rett Syndrome and Related Disorders

NCT02705677
View directory record Official record
Conditions
Rett Syndrome, MECP2 Duplication, CDKL5, FOXG1 Disorders
Interventions
Not listed
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
Not listed
Enrollment
752 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
12
States / cities
Birmingham, Alabama • Oakland, California • San Diego, California + 9 more
Source: ClinicalTrials.gov public record
Updated Aug 4, 2021 · Synced Jul 21, 2026, 1:26 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study of Safety and Pharmacokinetics of Oral Doses of EPX-100 in Healthy Subjects.

NCT04069689
View directory record Official record
Conditions
Dravet Syndrome
Interventions
EPX-100 (Clemizole Hydrochloride), Placebos
Drug
Lead sponsor
Epygenix
Industry
Eligibility
18 Years to 50 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Fair Lawn, New Jersey
Source: ClinicalTrials.gov public record
Updated Sep 18, 2024 · Synced Jul 21, 2026, 1:26 PM EDT
Recruiting Phase 1Phase 2 Interventional

A Clinical Study to Evaluate the Safety and Efficacy of ETX101 in Infants and Children With SCN1A-Positive Dravet Syndrome

NCT05419492
View directory record Official record
Conditions
Dravet Syndrome
Interventions
ETX101
Drug
Lead sponsor
Encoded Therapeutics
Industry
Eligibility
6 Months to 17 Years
Enrollment
47 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2033
U.S. locations
11
States / cities
San Francisco, California • Aurora, Colorado • Miami, Florida + 8 more
Source: ClinicalTrials.gov public record
Updated Jul 8, 2026 · Synced Jul 21, 2026, 1:26 PM EDT
Completed Phase 1 Interventional

Cannabidiol (CBD) to 27 Patients (Aged 2 Years - 19 Years) With Drug Resistant Epilepsy

NCT02286986
View directory record Official record
Conditions
Epilepsy
Interventions
Cannabidiol
Drug
Lead sponsor
University of Utah
Other
Eligibility
2 Years to 25 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jan 26, 2020 · Synced Jul 21, 2026, 1:26 PM EDT
Terminated Phase 3 Interventional Results available

Assessment of Adjunctive Cannabidiol Oral Solution (GWP42003-P) in Children With Tuberous Sclerosis Complex (TSC), Dravet Syndrome (DS), or Lennox-Gastaut Syndrome (LGS) Who Experience Inadequately-controlled Seizures

NCT04485104
View directory record Official record
Conditions
Seizure in Participants With Tuberous Sclerosis Complex, Seizure in Participants With Dravet Syndrome, Seizure in Participants With Lennox-Gastaut Syndrome
Interventions
GWP42003-P
Drug
Lead sponsor
Jazz Pharmaceuticals
Industry
Eligibility
1 Month to 23 Months
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
6
States / cities
Little Rock, Arkansas • Los Angeles, California • Chicago, Illinois + 3 more
Source: ClinicalTrials.gov public record
Updated Oct 30, 2025 · Synced Jul 21, 2026, 1:26 PM EDT
Completed Phase 3 Interventional Results available

A Study to Investigate the Long-Term Safety of ZX008 (Fenfluramine Hydrochloride) Oral Solution in Children and Adults With Epileptic Encephalopathy Including Dravet Syndrome and Lennox-Gastaut Syndrome

NCT03936777
View directory record Official record
Conditions
Dravet Syndrome, Lennox Gastaut Syndrome, Epileptic Encephalopathy
Interventions
ZX008 (Fenfluramine Hydrochloride)
Drug
Lead sponsor
Zogenix, Inc.
Industry
Eligibility
2 Years and older
Enrollment
412 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
26
States / cities
Tucson, Arizona • Los Angeles, California • San Diego, California + 23 more
Source: ClinicalTrials.gov public record
Updated Nov 16, 2025 · Synced Jul 21, 2026, 1:26 PM EDT
Completed Phase 1 Interventional

A Study to Assess the Safety and Tolerability of ZX008 in Children and Young Adults With Dravet Syndrome or Lennox Gastaut Syndrome Currently Taking Cannabidiol

NCT03467113
View directory record Official record
Conditions
Dravet Syndrome, Lennox Gastaut Syndrome
Interventions
ZX008 0.2 to 0.8 mg/kg/day, Cannabidiol
Drug
Lead sponsor
Zogenix International Limited, Inc., a subsidiary of Zogenix, Inc.
Industry
Eligibility
2 Years to 18 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
2
States / cities
Atlanta, Georgia • Tacoma, Washington
Source: ClinicalTrials.gov public record
Updated Nov 30, 2023 · Synced Jul 21, 2026, 1:26 PM EDT
Available No phase listed Expanded access

Intermediate-Size Expanded Access Protocol (EAP) for LP352

NCT06149663
View directory record Official record
Conditions
Dravet Syndrome, Lennox Gastaut Syndrome, Developmental and Epileptic Encephalopathies
Interventions
LP352
Drug
Lead sponsor
Longboard Pharmaceuticals
Industry
Eligibility
2 Years to 65 Years
U.S. locations
19
States / cities
Downey, California • Los Angeles, California • San Francisco, California + 15 more
Source: ClinicalTrials.gov public record
Updated Jan 21, 2025 · Synced Jul 21, 2026, 1:26 PM EDT
Completed Phase 1Phase 2 Interventional

Study to Investigate LP352 in Subjects With Developmental and Epileptic Encephalopathies

NCT05364021
View directory record Official record
Conditions
Developmental and Epileptic Encephalopathy, Dravet Syndrome, Lennox Gastaut Syndrome
Interventions
LP352, Placebo
Drug
Lead sponsor
Longboard Pharmaceuticals
Industry
Eligibility
12 Years to 65 Years
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
29
States / cities
Tucson, Arizona • Little Rock, Arkansas • Downey, California + 24 more
Source: ClinicalTrials.gov public record
Updated Nov 7, 2024 · Synced Jul 21, 2026, 1:26 PM EDT
Terminated Phase 3 Interventional Results available

A Study to Assess the Usability of the Embrace Seizure Detection Watch in Children and Young Adults With Dravet Syndrome

NCT03299842
View directory record Official record
Conditions
Dravet Syndrome
Interventions
ZX008 (Fenfluramine Hydrochloride)
Drug
Lead sponsor
Zogenix International Limited, Inc., a subsidiary of Zogenix, Inc.
Industry
Eligibility
2 Years to 35 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
2
States / cities
San Francisco, California • Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Nov 12, 2023 · Synced Jul 21, 2026, 1:26 PM EDT