Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Jul 23, 2026, 12:00 AM EDT

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Showing 1–13 of 13 matching trials from the live ClinicalTrials.gov search.
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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
Conditions
Epileptic Encephalopathy, SCN2A Encephalopathy
Interventions
1mg elsunersen, 0.5mg elsunersen
Drug
Lead sponsor
Praxis Precision Medicines
Industry
Eligibility
1 Day to 18 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
6
States / cities
San Diego, California • Aurora, Colorado • Chicago, Illinois + 3 more
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
Conditions
SCN2A-DEE, Epilepsy
Interventions
PRAX-222 - Initial Dose, PRAX-222 - Initial Ascending Doses, PRAX-222 - Optional Ascending Doses, PRAX-222 - Fixed Doses, Placebo
Drug · Procedure
Lead sponsor
Praxis Precision Medicines
Industry
Eligibility
2 Years to 18 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Memphis, Tennessee
Conditions
Dravet Syndrome
Interventions
No Intervention
Other
Lead sponsor
Encoded Therapeutics
Industry
Eligibility
6 Months to 60 Months
Enrollment
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
12
States / cities
Los Angeles, California • San Francisco, California • Aurora, Colorado + 9 more
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
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
Conditions
Developmental and Epileptic Encephalopathy
Interventions
LP352, Placebo
Drug
Lead sponsor
Longboard Pharmaceuticals
Industry
Eligibility
2 Years to 65 Years
Enrollment
292 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
31
States / cities
Little Rock, Arkansas • Los Angeles, California • Palo Alto, California + 23 more
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
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
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
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
Conditions
SCN8A Developmental and Epileptic Encephalopathy Syndrome
Interventions
NBI-921352
Drug
Lead sponsor
Neurocrine Biosciences
Industry
Eligibility
2 Years to 22 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
4
States / cities
San Francisco, California • Washington D.C., District of Columbia • Rochester, New York + 1 more