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ClinicalTrials.gov public records Last synced Oct 21, 2026, 9:14 AM EDT

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Showing 1–24 of 44 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Refractory Partial Seizures Clear all
Completed Phase 3 Interventional Results available

Open-label Extension Study to Evaluate the Safety of USL255 in Patients With Refractory Partial-onset Seizures

NCT01191086
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 23, 2015 · Synced Oct 21, 2026, 9:14 AM EDT
Terminated Phase 4 Interventional

Efficacy and Safety of Perampanel in the Treatment of Refractory Status Epilepticus

NCT05684978
View directory record Official record
Conditions
Refractory Status Epilepticus
Interventions
Perampanel
Drug
Lead sponsor
Wayne State University
Other
Eligibility
18 Years to 100 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Oct 14, 2025 · Synced Oct 21, 2026, 9:14 AM EDT
Completed Phase 3 Interventional Results available

Rufinamide Given as Adjunctive Therapy in Participants With Refractory Partial Seizures

NCT00334958
View directory record Official record
Conditions
Epilepsy
Interventions
Placebo, Rufinamide
Drug
Lead sponsor
Eisai Inc.
Industry
Eligibility
12 Years to 80 Years
Enrollment
356 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
77
States / cities
Mobile, Alabama • Northport, Alabama • Phoenix, Arizona + 61 more
Source: ClinicalTrials.gov public record
Updated Jun 14, 2021 · Synced Oct 21, 2026, 9:14 AM EDT
Completed Phase 2 Interventional Results available

Pharmacokinetic Study With an Oral Suspension of Perampanel as Adjunctive Therapy in Pediatric Subjects With Epilepsy

NCT02914314
View directory record Official record
Conditions
Epilepsy
Interventions
perampanel
Drug
Lead sponsor
Eisai Inc.
Industry
Eligibility
1 Month to 4 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
17
States / cities
Los Angeles, California • Gulf Breeze, Florida • Loxahatchee Groves, Florida + 13 more
Source: ClinicalTrials.gov public record
Updated Mar 15, 2024 · Synced Oct 21, 2026, 9:14 AM EDT
Completed Phase 3 Interventional Results available

Evaluating the Efficacy and Safety of E2007 (Perampanel) Given as Adjunctive Therapy in Subjects With Refractory Partial Seizures

NCT00699972
View directory record Official record
Conditions
Refractory Partial Seizures
Interventions
E2007 (perampanel), Placebo
Drug
Lead sponsor
Eisai Inc.
Industry
Eligibility
12 Years to 99 Years
Enrollment
390 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
60
States / cities
Birmingham, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 46 more
Source: ClinicalTrials.gov public record
Updated Jan 10, 2020 · Synced Oct 21, 2026, 9:14 AM EDT
Recruiting Phase 2 Interventional

A Long-term Study of the Safety and Effectiveness of RAP-219 in Adults With Focal Onset Seizures

NCT07219407
View directory record Official record
Conditions
Focal Epilepsy, Epilepsy, Refractory Focal Epilepsy, Seizure, Focal Seizure, Focal Onset Seizure
Interventions
RAP-219
Drug
Lead sponsor
Rapport Therapeutics Inc.
Industry
Eligibility
18 Years to 70 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
7
States / cities
Boise, Idaho • Rochester, Minnesota • New York, New York + 4 more
Source: ClinicalTrials.gov public record
Updated Jan 23, 2026 · Synced Oct 21, 2026, 9:14 AM EDT
Completed Phase 2 Interventional Results available

4-Year Open-Label Extension Phase of the Parallel-Group Study of E2007 in Patients With Refractory Partial Seizures

NCT00368472
View directory record Official record
Conditions
Epilepsy
Interventions
Perampanel
Drug
Lead sponsor
Eisai Inc.
Industry
Eligibility
18 Years to 70 Years
Enrollment
138 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2014
U.S. locations
12
States / cities
Birmingham, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 9 more
Source: ClinicalTrials.gov public record
Updated Dec 10, 2015 · Synced Oct 21, 2026, 9:14 AM EDT
Completed Phase 3 Interventional

Topiramate as Adjunctive Therapy in Infants 1-24 Months for the Control of Partial Onset Seizures

NCT00113815
View directory record Official record
Conditions
Partial Seizure Disorder, Epilepsy, Seizures
Interventions
topiramate, placebo
Drug
Lead sponsor
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
Industry
Eligibility
1 Month to 24 Months
Enrollment
118 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
47
States / cities
Birmingham, Alabama • Mobile, Alabama • Los Angeles, California + 44 more
Source: ClinicalTrials.gov public record
Updated Mar 26, 2014 · Synced Oct 21, 2026, 9:14 AM EDT
Terminated Not applicable Interventional

RNS System RESPONSE Study

NCT04839601
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 22, 2025 · Synced Oct 21, 2026, 9:14 AM EDT
Completed Phase 4 Interventional Results available

A Study of the Structure and Function of the Retina in Adult Patients With Refractory Complex Partial Seizures Treated With Vigabatrin (Sabril®)

NCT01278173
View directory record Official record
Conditions
Adult Refractory Complex Partial Seizures
Interventions
Sabril
Drug
Lead sponsor
Lundbeck LLC
Industry
Eligibility
18 Years and older
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
22
States / cities
San Francisco, California • New Haven, Connecticut • Dover, Delaware + 19 more
Source: ClinicalTrials.gov public record
Updated Jun 7, 2016 · Synced Oct 21, 2026, 9:14 AM EDT
Completed Phase 3 Interventional Results available

To Evaluate The Efficacy and Safety of E2007 (Perampanel) Given as Adjunctive Therapy in Subjects With Refractory Partial Seizures

NCT00699582
View directory record Official record
Conditions
Refractory Partial Seizures
Interventions
E2007 (perampanel), Placebo
Drug
Lead sponsor
Eisai Inc.
Industry
Eligibility
12 Years and older
Enrollment
389 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
32
States / cities
Huntsville, Alabama • Phoenix, Arizona • Tucson, Arizona + 17 more
Source: ClinicalTrials.gov public record
Updated Jul 11, 2014 · Synced Oct 21, 2026, 9:14 AM EDT
Terminated Phase 2 Interventional Results available

IVIG Treatment for Refractory Immune-Related Adult Epilepsy

NCT01545518
View directory record Official record
Conditions
Epilepsy, Cryptogenic, Epilepsy, Partial, Seizure Disorder, Autoimmune Diseases, Nervous System, Limbic Encephalitis
Interventions
IVIG
Drug
Lead sponsor
Emory University
Other
Eligibility
18 Years to 50 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
2
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Sep 1, 2014 · Synced Oct 21, 2026, 9:14 AM EDT
Active, not recruiting Phase 2Phase 3 Interventional

A Study to Determine if BHV-7000 is Effective and Safe in Adults With Refractory Focal Onset Epilepsy

NCT06132893
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
49
States / cities
Phoenix, Arizona • Tucson, Arizona • Little Rock, Arkansas + 44 more
Source: ClinicalTrials.gov public record
Updated Sep 30, 2026 · Synced Oct 21, 2026, 9:14 AM EDT
Completed Phase 2 Interventional

A 19-week Cognition Study of Levetiracetam in Children With Partial Onset Seizures

NCT00105040
View directory record Official record
Conditions
Epilepsy, Partial
Interventions
Levetiracetam, Placebo (PB)
Drug · Other
Lead sponsor
UCB Pharma
Industry
Eligibility
4 Years to 16 Years
Enrollment
87 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2007
U.S. locations
38
States / cities
Birmingham, Alabama • Phoenix, Arizona • Tucson, Arizona + 35 more
Source: ClinicalTrials.gov public record
Updated Mar 2, 2015 · Synced Oct 21, 2026, 9:14 AM EDT
Completed Phase 3 Interventional Results available

Study to Evaluate the Safety and Effectiveness of USL255 in Patients With Refractory Partial-onset Seizures

NCT01142193
View directory record Official record
Conditions
Epilepsy
Interventions
USL255, Placebo
Drug
Lead sponsor
Upsher-Smith Laboratories
Industry
Eligibility
18 Years to 75 Years
Enrollment
249 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
19
States / cities
Phoenix, Arizona • Ventura, California • Gainesville, Florida + 16 more
Source: ClinicalTrials.gov public record
Updated May 22, 2014 · Synced Oct 21, 2026, 9:14 AM EDT
Terminated Phase 3 Interventional Results available

Open-Label Extension Study of Rufinamide Given as Adjunctive Therapy in Patients With Refractory Partial Seizures

NCT00448539
View directory record Official record
Conditions
Refractory Partial Onset Seizures
Interventions
Rufinamide
Drug
Lead sponsor
Eisai Inc.
Industry
Eligibility
12 Years to 80 Years
Enrollment
286 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
27
States / cities
Mobile, Alabama • Little Rock, Arkansas • Bradenton, Florida + 22 more
Source: ClinicalTrials.gov public record
Updated Nov 22, 2019 · Synced Oct 21, 2026, 9:14 AM EDT
Withdrawn Phase 2 Interventional

Evaluate the Efficacy of BGG492 as Adjunctive Treatment in Patients With Refractory Partial Onset Seizures

NCT01167335
View directory record Official record
Conditions
Partial Onset Seizures
Interventions
BGG492, Placebo
Drug
Lead sponsor
Novartis
Industry
Eligibility
18 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2010
U.S. locations
3
States / cities
Mobile, Alabama • Baltimore, Maryland • Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated May 1, 2012 · Synced Oct 21, 2026, 9:14 AM EDT
Active, not recruiting Phase 2 Interventional

A Study to Evaluate Efficacy and Safety of Perampanel Administered as an Adjunctive Therapy in Pediatric Participants With Childhood Epilepsy

NCT04015141
View directory record Official record
Conditions
Pediatric Epileptic Syndrome, Partial-onset Seizures
Interventions
Perampanel Oral Suspension, Perampanel Tablet
Drug
Lead sponsor
Eisai Inc.
Industry
Eligibility
1 Month to 18 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2027
U.S. locations
15
States / cities
Los Angeles, California • Aurora, Colorado • Miami, Florida + 12 more
Source: ClinicalTrials.gov public record
Updated Jul 10, 2026 · Synced Oct 21, 2026, 9:14 AM EDT
Completed No phase listed Observational

Transcranial Magnetic Stimulation for the Treatment of Poorly Controlled Partial Epilepsy

NCT00001666
View directory record Official record
Conditions
Partial Epilepsy, Seizures
Interventions
Cadwell High-Speed Magnetoelectric Stimulator, Magpro High-Speed Magnetoelectric Stimulator
Device
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
Not listed
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1997 – 2002
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 4, 2008 · Synced Oct 21, 2026, 9:14 AM EDT
Completed Phase 2 Interventional Results available

Study With Seletracetam (Ucb 44212) in Adult Subjects (18 to 65 Years) With Partial Onset Seizures

NCT00152451
View directory record Official record
Conditions
Epilepsy, Partial
Interventions
Seletracetam (ucb 44212)
Drug
Lead sponsor
UCB S.A. - Pharma Sector
Industry
Eligibility
18 Years to 65 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
7
States / cities
Little Rock, Arkansas • San Francisco, California • Stanford, California + 4 more
Source: ClinicalTrials.gov public record
Updated Mar 29, 2024 · Synced Oct 21, 2026, 9:14 AM EDT
Completed Phase 3 Interventional Results available

Retigabine (Adjunctive Therapy) Efficacy and Safety Study for Partial Onset Refractory Seizures in Epilepsy

NCT00232596
View directory record Official record
Conditions
Seizures
Interventions
Retigabine, Placebo
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 75 Years
Enrollment
306 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
32
States / cities
Birmingham, Alabama • Huntsville, Alabama • Northport, Alabama + 26 more
Source: ClinicalTrials.gov public record
Updated Dec 8, 2016 · Synced Oct 21, 2026, 9:14 AM EDT
Withdrawn Phase 3 Interventional

Safety Study of Rufinamide Given as an add-on Therapy to Treat Patients With Seizures

NCT04558580
View directory record Official record
Conditions
Refractory Partial Seizures
Interventions
Rufinamide
Drug
Lead sponsor
University of South Alabama
Other
Eligibility
12 Years to 80 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Mobile, Alabama
Source: ClinicalTrials.gov public record
Updated Sep 22, 2020 · Synced Oct 21, 2026, 9:14 AM EDT
Completed Phase 3 Interventional Results available

Efficacy and Safety of Diazepam in the Management of Refractory Epilepsy in Selected Patients Who Require Intermittent Medical Intervention for Acute Repetitive Seizures.

NCT00319501
View directory record Official record
Conditions
Seizures, Epilepsies, Partial, Epilepsy, Complex Partial, Epilepsy, Generalized, Epilepsy
Interventions
Placebo, Vanquix Auto-Injector (Diazepam Injection)
Drug
Lead sponsor
Pfizer
Industry
Eligibility
2 Years and older
Enrollment
234 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2014
U.S. locations
86
States / cities
Northport, Alabama • Little Rock, Arkansas • Irvine, California + 44 more
Source: ClinicalTrials.gov public record
Updated Sep 23, 2016 · Synced Oct 21, 2026, 9:14 AM EDT
Completed Phase 2 Interventional

Study Evaluating the Safety and Efficacy of RAP-219 in Adult Participants With Refractory Focal Epilepsy

NCT06377930
View directory record Official record
Conditions
Focal Onset Seizures
Interventions
RAP-219
Drug
Lead sponsor
Rapport Therapeutics Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
12
States / cities
New Haven, Connecticut • Boise, Idaho • Indianapolis, Indiana + 7 more
Source: ClinicalTrials.gov public record
Updated Feb 5, 2026 · Synced Oct 21, 2026, 9:14 AM EDT