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ClinicalTrials.gov public records Last synced May 22, 2026, 12:54 AM EDT

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

Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Recruiting No phase listed Observational
Conditions
Developmental Dysphasia, Epileptic Encephalopathy, Childhood-Onset, X-Linked Intellectual Disability
Interventions
Not listed
Lead sponsor
University of California, San Francisco
Other
Eligibility
6 Years to 21 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jul 14, 2024 · Synced May 22, 2026, 12:54 AM EDT
Conditions
Dravet Syndrome, Seizure Disorder
Interventions
ZX008 (Fenfluramine Hydrochloride), Matching Placebo
Drug
Lead sponsor
Zogenix International Limited, Inc., a subsidiary of Zogenix, Inc.
Industry
Eligibility
2 Years to 18 Years
Enrollment
262 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
19
States / cities
Phoenix, Arizona • Tucson, Arizona • San Diego, California + 15 more
Source: ClinicalTrials.gov public record
Updated Sep 27, 2023 · Synced May 22, 2026, 12:54 AM EDT
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 May 17, 2026 · Synced May 22, 2026, 12:54 AM EDT
Conditions
SCN8A Developmental and Epileptic Encephalopathy Syndrome
Interventions
NBI-921352, Placebo
Drug
Lead sponsor
Neurocrine Biosciences
Industry
Eligibility
2 Years to 21 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
4
States / cities
San Francisco, California • Washington D.C., District of Columbia • Rochester, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Oct 15, 2025 · Synced May 22, 2026, 12:54 AM EDT
Conditions
KCNT1-Related Epilepsy
Interventions
No Intervention
Other
Lead sponsor
Biogen
Industry
Eligibility
0 Years to 50 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Feb 27, 2024 · Synced May 22, 2026, 12:54 AM EDT
Conditions
Epileptic Encephalopathy, Continuous Spike and Wave During Sleep
Interventions
NBI-827104, Placebo
Drug
Lead sponsor
Neurocrine Biosciences
Industry
Eligibility
4 Years to 12 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
8
States / cities
Orange, California • Aurora, Colorado • Washington D.C., District of Columbia + 5 more
Source: ClinicalTrials.gov public record
Updated Sep 4, 2025 · Synced May 22, 2026, 12:54 AM EDT
Conditions
Developmental and Epileptic Encephalopathy 1
Interventions
1.0mg/kg/day PRAX-562, 1.5mg/kg/day PRAX-562, Placebo
Drug
Lead sponsor
Praxis Precision Medicines
Industry
Eligibility
2 Years to 65 Years
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
6
States / cities
La Jolla, California • Gulf Breeze, Florida • Chevy Chase, Maryland + 3 more
Source: ClinicalTrials.gov public record
Updated May 10, 2026 · Synced May 22, 2026, 12:54 AM EDT
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
375 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2023
U.S. locations
24
States / cities
Phoenix, Arizona • Tucson, Arizona • Orange, California + 20 more
Source: ClinicalTrials.gov public record
Updated Jul 13, 2025 · Synced May 22, 2026, 12:54 AM EDT
Conditions
SCN2A Encephalopathy, SCN8A Encephalopathy
Interventions
PRAX-562
Drug
Lead sponsor
Praxis Precision Medicines
Industry
Eligibility
1 Year to 18 Years
Enrollment
77 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
4
States / cities
Atlanta, Georgia • Chicago, Illinois • Minneapolis, Minnesota + 1 more
Source: ClinicalTrials.gov public record
Updated Jan 28, 2026 · Synced May 22, 2026, 12:54 AM EDT
Conditions
SCN2A-DEE, Epilepsy
Interventions
Not listed
Lead sponsor
Praxis Precision Medicines
Industry
Eligibility
1 Year to 16 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jan 9, 2024 · Synced May 22, 2026, 12:54 AM EDT
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 May 22, 2026, 12:54 AM EDT
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
9
States / cities
Little Rock, Arkansas • Los Angeles, California • Gulf Breeze, Florida + 6 more
Source: ClinicalTrials.gov public record
Updated Jan 4, 2026 · Synced May 22, 2026, 12:54 AM EDT
Conditions
MEF2C, DEE
Interventions
Observation
Other
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
Not listed
Enrollment
22,068 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2037
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 16, 2026 · Synced May 22, 2026, 12:54 AM EDT
Not listed Phase 2 Interventional Accepts healthy volunteers
Conditions
Chronic Pain, Chronic Pain Syndrome, Chronic Pain Due to Injury, Chronic Pain Due to Trauma, Fibromyalgia, Seizures, Hepatitis C, Cancer, Crohn Disease, HIV/AIDS, Multiple Sclerosis, Traumatic Brain Injury, Sickle Cell Disease, Post Traumatic Stress Disorder, Tourette Syndrome, Ulcerative Colitis, Glaucoma, Epilepsy, Inflammatory Bowel Diseases, Parkinson Disease, Amyotrophic Lateral Sclerosis, Chronic Traumatic Encephalopathy, Anxiety, Depression, Insomnia, Autism, Opioid-use Disorder, Bipolar Disorder, Covid19, SARS-CoV Infection, COVID-19, Corona Virus Infection, Coronavirus
Interventions
Cannabis, Medical, RYAH-Medtech Inhaler
Drug · Device
Lead sponsor
OMNI Medical Services, LLC
Network
Eligibility
7 Years and older
Enrollment
200,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2025
U.S. locations
17
States / cities
Boca Raton, Florida • Bradenton, Florida • Fort Lauderdale, Florida + 13 more
Source: ClinicalTrials.gov public record
Updated Jun 1, 2022 · Synced May 22, 2026, 12:54 AM EDT
Conditions
Developmental and Epileptic Encephalopathy
Interventions
gene therapy
Drug
Lead sponsor
Capsida Biotherapeutics, Inc.
Industry
Eligibility
18 Months to 7 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
4
States / cities
Aurora, Colorado • New York, New York • Philadelphia, Pennsylvania + 1 more
Source: ClinicalTrials.gov public record
Updated Sep 30, 2025 · Synced May 22, 2026, 12:54 AM EDT
Conditions
Nonconvulsive Status Epilepticus, Subclinical Seizure, Altered Mental Status, Nonepileptic Seizures, Encephalopathy
Interventions
EEG Cap, Anti-seizure medication, Standard EEG
Device · Drug · Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Oct 24, 2019 · Synced May 22, 2026, 12:54 AM EDT
Conditions
Neonatal Seizure, Hypoxic-Ischemic Encephalopathy, Stroke, Intracranial Hemorrhage, Epilepsy, Gene Abnormality
Interventions
Not listed
Lead sponsor
University of California, San Francisco
Other
Eligibility
Not listed
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
8
States / cities
San Francisco, California • Washington D.C., District of Columbia • Boston, Massachusetts + 4 more
Source: ClinicalTrials.gov public record
Updated Feb 4, 2026 · Synced May 22, 2026, 12:54 AM EDT
Conditions
16P11.2 Deletion Syndrome, 16p11.2 Duplications, 1Q21.1 Deletion, 1Q21.1 Microduplication Syndrome (Disorder), ACTL6B, ADNP, AHDC1, ANK2, ANKRD11, ARID1B, ASH1L, BCL11A, CHAMP1, CHD2, CHD8, CSNK2A1, CTBP1, CTNNB1 Gene Mutation, CUL3, DDX3X, DNMT3A, DSCAM, DYRK1A, FOXP1, GRIN2A, GRIN2B, HIVEP2-Related Intellectual Disability, HNRNPH2, KATNAL2, KDM5B, KDM6B, KMT2C Gene Mutation, KMT2E, KMT5B, MBD5, MED13L, PACS1, PPP2R5D-Related Intellectual Disability, PTCHD1, REST, SCN2A Encephalopathy, SETBP1 Gene Mutation, SETD5, SMARCA4 Gene Mutation, SMARCC2, STXBP1 Encephalopathy With Epilepsy, SYNGAP1-Related Intellectual Disability, TBR1, ARHGEF9, HNRNPU, PPP3CA, PPP2R1A, SLC6A1, 2p16.3 Deletions, 5q35 Deletions, 5q35 Duplications, 7q11.23 Duplications, 15Q13.3 Deletion Syndrome, 16p11.2 Triplications, 16P12.2 Microdeletion, 16P13.11 Microdeletion Syndrome (Disorder), 17Q12 Microdeletion Syndrome (Disorder), 17Q12 Duplication Syndrome, 17Q21.31 Deletion Syndrome, 17q21.3 Duplications, ACTB, ADSL, AFF2, ALDH5A1, ANK3, ARX, ATRX Gene Mutation, AUTS2 Syndrome, BCKDK, BRSK2, CACNA1C, CAPRIN1, CASK, CASZ1, CHD3, CIC, CNOT3, CREBBP Gene Mutation, CSDE1, CTCF, DEAF1, DHCR7, DLG4, EBF3, EHMT1, EP300 Gene Mutation, GIGYF1, GRIN1, GRIN2D, IQSEC2-Related Syndromic Intellectual Disability, IRF2BPL, KANSL1, KCNB1, KDM3B, NEXMIF, KMT2A, MBOAT7, MEIS2, MYT1L, NAA15, NBEA, NCKAP1, NIPBL, NLGN2, NLGN3, NLGN4X, NR4A2, NRXN1, NRXN2, NSD1 Gene Mutation, PHF21A, PHF3, PHIP, POMGNT1, PSMD12, RELN, RERE, RFX3, RIMS1, RORB, SCN1A, SETD2 Gene Mutation, SHANK2, SIN3A, SLC9A6, SON, SOX5, SPAST, SRCAP, TAOK1, TANC2, TCF20, TLK2, TRIO, TRIP12, UPF3B, USP9X, VPS13B, WAC, WDFY3, ZBTB20, ZNF292, ZNF462, 2Q37 Deletion Syndrome, 9q34 Duplications, 15q15 Deletions, 15Q24 Deletion, NR3C2, SYNCRIP, 2q34 Duplication, 2q37.3 Deletion, 6q16 Deletion, 15q11.2 BP1-BP2 Deletion, 16p13.3 Deletion, 17Q11.2 Microduplication Syndrome (Disorder), 17p13.3, Xq28 Duplication, CLCN4, CSNK2B, DYNC1H1, EIF3F, GNB1, MED13, MEF2C, RALGAPB, SCN1B, YY1, Xp11.22 Duplication, PACS2, MAOA, MAOB, HNRNPC, HNRNPD, HNRNPK, HNRNPR, HNRNPUL2, 5P Deletion Syndrome, TCF7L2 Gene Mutation, HECW2
Interventions
Not listed
Lead sponsor
Simons Searchlight
Other
Eligibility
Not listed
Enrollment
100,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2050
U.S. locations
2
States / cities
Boston, Massachusetts • Lewisburg, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 5, 2025 · Synced May 22, 2026, 12:54 AM EDT
Conditions
Dravet Syndrome
Interventions
STK-001 - Single Ascending Doses, STK-001 - Multiple Ascending Doses
Drug
Lead sponsor
Stoke Therapeutics, Inc
Industry
Eligibility
2 Years to 18 Years
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
18
States / cities
San Francisco, California • Aurora, Colorado • Washington D.C., District of Columbia + 15 more
Source: ClinicalTrials.gov public record
Updated May 17, 2025 · Synced May 22, 2026, 12:54 AM EDT
Conditions
Mitochondrial Diseases
Interventions
Cysteamine Bitartrate
Drug
Lead sponsor
Amgen
Industry
Eligibility
6 Years to 17 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
5
States / cities
San Diego, California • Stanford, California • Akron, Ohio + 2 more
Source: ClinicalTrials.gov public record
Updated Dec 26, 2024 · Synced May 22, 2026, 12:54 AM EDT
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 May 22, 2026, 12:54 AM EDT
Conditions
Epileptic Encephalopathy, Continuous Spike and Wave During Sleep
Interventions
NBI-827104
Drug
Lead sponsor
Neurocrine Biosciences
Industry
Eligibility
4 Years to 12 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
7
States / cities
Orange, California • Aurora, Colorado • Washington D.C., District of Columbia + 4 more
Source: ClinicalTrials.gov public record
Updated Feb 12, 2026 · Synced May 22, 2026, 12:54 AM EDT
Conditions
Epilepsy, Epilepsy in Children, Epilepsy; Seizure, Disease, Brain Diseases, Central Nervous System Diseases, Nervous System Diseases, Epileptic Syndromes
Interventions
XEN496
Drug
Lead sponsor
Xenon Pharmaceuticals Inc.
Industry
Eligibility
1 Month to 6 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
2
States / cities
Philadelphia, Pennsylvania • Tacoma, Washington
Source: ClinicalTrials.gov public record
Updated Feb 13, 2025 · Synced May 22, 2026, 12:54 AM EDT
Conditions
Dravet Syndrome, Epileptic Encephalopathies Associated With SCN1A Mutations
Interventions
Stiripentol
Drug
Lead sponsor
Cook Children's Health Care System
Other
Eligibility
6 Months to 18 Years
U.S. locations
1
States / cities
Fort Worth, Texas
Source: ClinicalTrials.gov public record
Updated Feb 4, 2020 · Synced May 22, 2026, 12:54 AM EDT