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ClinicalTrials.gov public records Last synced May 21, 2026, 8:47 PM EDT

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

Showing 1–24 of 92 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Partial Onset Seizures Clear all
Completed Phase 3 Interventional Results available
View directory record Official record
Conditions
Epilepsy, Monotherapy
Interventions
Lacosamide, Carbamazepine-Controlled Release
Drug
Lead sponsor
UCB BIOSCIENCES GmbH
Industry
Eligibility
16 Years and older
Enrollment
888 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
15
States / cities
Alabaster, Alabama • Huntsville, Alabama • Phoenix, Arizona + 12 more
Source: ClinicalTrials.gov public record
Updated Feb 1, 2021 · Synced May 21, 2026, 8:47 PM EDT
Terminated Phase 2 Interventional Results available
View directory record Official record
Conditions
Epilepsy
Interventions
ezogabine/retigabine
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
12 Years to 17 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
4
States / cities
Los Angeles, California • Wellington, Florida • Memphis, Tennessee + 1 more
Source: ClinicalTrials.gov public record
Updated Nov 29, 2020 · Synced May 21, 2026, 8:47 PM EDT
Completed Phase 3 Interventional Results available
View directory record Official record
Conditions
Partial Epilepsies, Partial Onset Seizures
Interventions
lacosamide
Drug
Lead sponsor
UCB BIOSCIENCES, Inc.
Industry
Eligibility
16 Years to 60 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
7
States / cities
Phoenix, Arizona • Baltimore, Maryland • Chesterfield, Missouri + 4 more
Source: ClinicalTrials.gov public record
Updated Jul 16, 2018 · Synced May 21, 2026, 8:47 PM EDT
Terminated Not applicable Interventional
View directory record Official record
Conditions
Epilepsy, Partial Seizure, Neurostimulator; Complications, Drug Resistant Epilepsy, Focal Epilepsy
Interventions
RNS System
Device
Lead sponsor
NeuroPace
Industry
Eligibility
12 Years to 17 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
2
States / cities
Grand Rapids, Michigan • Hawthorne, New York
Source: ClinicalTrials.gov public record
Updated May 21, 2025 · Synced May 21, 2026, 8:47 PM EDT
Completed Phase 3 Interventional Results available
View directory record Official record
Conditions
Epilepsy With Partial-onset Seizures
Interventions
Lacosamide, Placebo
Drug · Other
Lead sponsor
UCB BIOSCIENCES, Inc.
Industry
Eligibility
1 Month to 47 Months
Enrollment
255 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
7
States / cities
Birmingham, Alabama • Tampa, Florida • Henderson, Nevada + 3 more
Source: ClinicalTrials.gov public record
Updated Jun 30, 2021 · Synced May 21, 2026, 8:47 PM EDT
Completed Phase 3 Interventional Results available
View directory record Official record
Conditions
Partial Seizures, Epilepsies, Partial
Interventions
pregabalin, placebo
Drug
Lead sponsor
Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Industry
Eligibility
18 Years and older
Enrollment
325 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
26
States / cities
Northport, Alabama • Jonesboro, Arkansas • Little Rock, Arkansas + 15 more
Source: ClinicalTrials.gov public record
Updated Jan 24, 2021 · Synced May 21, 2026, 8:47 PM EDT
Completed Phase 3 Interventional Results available
View directory record Official record
Conditions
Partial-Onset or Primary Generalized Tonic-Clonic Seizures
Interventions
Perampanel
Drug
Lead sponsor
Eisai Inc.
Industry
Eligibility
4 Years to 12 Years
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
29
States / cities
Little Rock, Arkansas • Palo Alto, California • Aurora, Colorado + 25 more
Source: ClinicalTrials.gov public record
Updated Oct 27, 2022 · Synced May 21, 2026, 8:47 PM EDT
Withdrawn Phase 2 Interventional
View directory record Official record
Conditions
Focal Epilepsy
Interventions
ENX-101
Drug
Lead sponsor
Engrail Therapeutics INC
Industry
Eligibility
18 Years to 75 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
38
States / cities
Phoenix, Arizona • Tucson, Arizona • Downey, California + 31 more
Source: ClinicalTrials.gov public record
Updated Jul 5, 2023 · Synced May 21, 2026, 8:47 PM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
Conditions
Seizures
Interventions
Placebo, CVL-865
Drug
Lead sponsor
AbbVie
Industry
Eligibility
18 Years to 75 Years
Enrollment
154 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
37
States / cities
Little Rock, Arkansas • Downey, California • Loma Linda, California + 33 more
Source: ClinicalTrials.gov public record
Updated May 29, 2025 · Synced May 21, 2026, 8:47 PM EDT
Completed Phase 3 Interventional Results available
View directory record Official record
Conditions
Epilepsy
Interventions
Brivaracetam
Drug
Lead sponsor
UCB PHARMA Inc. (US)
Industry
Eligibility
16 Years and older
Enrollment
668 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2017
U.S. locations
46
States / cities
Phoenix, Arizona • Tucson, Arizona • Little Rock, Arkansas + 38 more
Source: ClinicalTrials.gov public record
Updated Aug 16, 2021 · Synced May 21, 2026, 8:47 PM EDT
Completed Phase 3 Interventional Results available
View directory record Official record
Conditions
Partial Onset Seizures
Interventions
Pregabalin Dose Level 1, Pregabalin Dose Level 2, Placebo
Drug
Lead sponsor
Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Industry
Eligibility
1 Month to 3 Years
Enrollment
175 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
5
States / cities
Orlando, Florida • Tampa, Florida • Houston, Texas + 1 more
Source: ClinicalTrials.gov public record
Updated Jan 19, 2021 · Synced May 21, 2026, 8:47 PM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Seizures
Interventions
Ezogabine/Retigabine IR, Placebo
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
9
States / cities
Fresno, California • Santa Monica, California • Colorado Springs, Colorado + 6 more
Source: ClinicalTrials.gov public record
Updated Dec 29, 2020 · Synced May 21, 2026, 8:47 PM EDT
Recruiting Phase 2Phase 3 Interventional
View directory record Official record
Conditions
Focal Epilepsy
Interventions
BHV-7000, Placebo
Drug
Lead sponsor
Biohaven Therapeutics Ltd.
Industry
Eligibility
18 Years to 75 Years
Enrollment
390 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
65
States / cities
Birmingham, Alabama • Peoria, Arizona • Phoenix, Arizona + 55 more
Source: ClinicalTrials.gov public record
Updated Apr 16, 2026 · Synced May 21, 2026, 8:47 PM EDT
Not listed Not applicable Interventional
View directory record Official record
Conditions
Seizure Disorder
Interventions
External Trigeminal Nerve Stimulation (eTNS)
Device
Lead sponsor
NeuroSigma, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
Sylmar, California
Source: ClinicalTrials.gov public record
Updated Apr 12, 2016 · Synced May 21, 2026, 8:47 PM EDT
Completed Phase 3 Interventional Results available
View directory record Official record
Conditions
Partial Epilepsies, Partial Onset Seizures
Interventions
lacosamide
Drug
Lead sponsor
UCB BIOSCIENCES, Inc.
Industry
Eligibility
16 Years to 60 Years
Enrollment
97 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
7
States / cities
Phoenix, Arizona • Baltimore, Maryland • Chesterfield, Missouri + 4 more
Source: ClinicalTrials.gov public record
Updated Jul 16, 2018 · Synced May 21, 2026, 8:47 PM EDT
Completed Phase 4 Interventional Results available
View directory record Official record
Conditions
Epilepsy
Interventions
Levetiracetam
Drug
Lead sponsor
Drexel University College of Medicine
Other
Eligibility
60 Years to 90 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 11, 2018 · Synced May 21, 2026, 8:47 PM EDT
Completed Phase 3 Interventional Results available
View directory record Official record
Conditions
Epilepsy
Interventions
Lacosamide
Drug
Lead sponsor
UCB Pharma
Industry
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
30
States / cities
Huntsville, Alabama • Phoenix, Arizona • Fresno, California + 27 more
Source: ClinicalTrials.gov public record
Updated Jul 17, 2018 · Synced May 21, 2026, 8:47 PM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
Conditions
Adrenocortical Adenoma, Endometrial Stromal Sarcomas
Interventions
MRI, CT or ultrasound was permitted if MRI was contraindicated, Dexamethasone Supression Test, Sonogram, Biopsy, BGG492
Procedure · Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
59 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
4
States / cities
Tallahassee, Florida • Baltimore, Maryland • Hoffman, New Jersey + 1 more
Source: ClinicalTrials.gov public record
Updated Dec 4, 2016 · Synced May 21, 2026, 8:47 PM EDT
Completed Phase 3 Interventional Results available
View directory record Official record
Conditions
Epilepsy
Interventions
Brivaracetam (BRV)
Drug
Lead sponsor
UCB Pharma SA
Industry
Eligibility
28 Days to 17 Years
Enrollment
257 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2022
U.S. locations
15
States / cities
Los Angeles, California • Gulf Breeze, Florida • Wellington, Florida + 12 more
Source: ClinicalTrials.gov public record
Updated Oct 19, 2025 · Synced May 21, 2026, 8:47 PM EDT
Completed Phase 3 Interventional Results available
View directory record Official record
Conditions
Epilepsy
Interventions
perampanel
Drug
Lead sponsor
Eisai Inc.
Industry
Eligibility
12 Years and older
Enrollment
1,218 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2014
U.S. locations
57
States / cities
Birmingham, Alabama • Phoenix, Arizona • Tucson, Arizona + 49 more
Source: ClinicalTrials.gov public record
Updated Mar 13, 2016 · Synced May 21, 2026, 8:47 PM EDT
Completed Phase 3 Interventional Results available
View directory record Official record
Conditions
Epilepsy
Interventions
USL255
Drug
Lead sponsor
Upsher-Smith Laboratories
Industry
Eligibility
18 Years to 75 Years
Enrollment
210 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
16
States / cities
Phoenix, Arizona • Ventura, California • Gainsville, Florida + 13 more
Source: ClinicalTrials.gov public record
Updated Feb 22, 2015 · Synced May 21, 2026, 8:47 PM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
Conditions
Partial Epilepsy, Catamenial Epilepsy
Interventions
Ganaxolone, Placebo
Drug · Other
Lead sponsor
Marinus Pharmaceuticals
Industry
Eligibility
18 Years to 69 Years
Enrollment
147 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
27
States / cities
Birmingham, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 23 more
Source: ClinicalTrials.gov public record
Updated Mar 14, 2023 · Synced May 21, 2026, 8:47 PM EDT
Completed Phase 3 Interventional Results available
View directory record Official record
Conditions
Epilepsy, Partial Seizures
Interventions
Pregabalin add-on therapy
Drug
Lead sponsor
Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Industry
Eligibility
4 Years to 16 Years
Enrollment
295 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
20
States / cities
Tucson, Arizona • Little Rock, Arkansas • Los Angeles, California + 10 more
Source: ClinicalTrials.gov public record
Updated Jan 19, 2021 · Synced May 21, 2026, 8:47 PM EDT
Completed Phase 3 Interventional Results available
View directory record Official record
Conditions
Tuberous Sclerosis Complex-associated Refractory Seizures
Interventions
RAD001, Placebo, Antiepileptic drug (1 to 3 only), open label RAD001 (only used for post-extension phase)
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
2 Years to 65 Years
Enrollment
366 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
22
States / cities
Birmingham, Alabama • Phoenix, Arizona • Los Angeles, California + 18 more
Source: ClinicalTrials.gov public record
Updated Nov 6, 2018 · Synced May 21, 2026, 8:47 PM EDT