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Showing 1–24 of 35 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Generalized Tonic Clonic Seizure Clear all
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 Sep 23, 2026, 8:18 PM EDT
Completed Phase 3 Interventional Results available

Trial Comparing the Efficacy and Safety of Lacosamide (LCM) to Carbamazepine Controlled-Release (CBZ-CR); Initial Monotherapy in Epilepsy; Subjects Aged 16 and Older

NCT01243177
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 Sep 23, 2026, 8:18 PM EDT
Completed Not applicable Interventional

RNS System NAUTILUS Study

NCT05147571
View directory record Official record
Conditions
Epilepsy, Idiopathic Generalized Epilepsy, Generalized Tonic Clonic Seizure
Interventions
Responsive stimulation, Sham stimulation
Device
Lead sponsor
NeuroPace
Industry
Eligibility
12 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
23
States / cities
Birmingham, Alabama • Phoenix, Arizona • Aurora, Colorado + 18 more
Source: ClinicalTrials.gov public record
Updated Jun 7, 2026 · Synced Sep 23, 2026, 8:18 PM EDT
Completed Phase 2 Interventional Results available

Open-Label Study to Assess Lacosamide Safety as Add-on Therapy for Primary Generalized Tonic-Clonic Seizures in Subjects With Epilepsy

NCT01118949
View directory record Official record
Conditions
Epilepsy
Interventions
Lacosamide
Drug
Lead sponsor
UCB BIOSCIENCES, Inc.
Industry
Eligibility
16 Years to 65 Years
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
25
States / cities
Alabaster, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 22 more
Source: ClinicalTrials.gov public record
Updated Jul 16, 2018 · Synced Sep 23, 2026, 8:18 PM EDT
Terminated Phase 2Phase 3 Interventional

A Study to Determine if BHV-7000 is Effective and Safe in Adults With Idiopathic Generalized Epilepsy With Generalized Tonic-clonic Seizures

NCT06425159
View directory record Official record
Conditions
Generalized Epilepsy
Interventions
BHV-7000, Placebo
Drug
Lead sponsor
Biohaven Therapeutics Ltd.
Industry
Eligibility
18 Years to 75 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
40
States / cities
Birmingham, Alabama • Phoenix, Arizona • Tucson, Arizona + 34 more
Source: ClinicalTrials.gov public record
Updated Mar 23, 2026 · Synced Sep 23, 2026, 8:18 PM EDT
Completed Not applicable Interventional

Pivotal-Safety and Therapeutic Measures of tDCS in Patients With Refractory Focal Epilepsy

NCT04770337
View directory record Official record
Conditions
Refractory Epilepsy, Focal Seizure, Seizures, Focal, Seizures, Epilepsy in Children, Epilepsy, Epilepsy, Tonic-Clonic
Interventions
STARSTIM device, Sham Device
Device
Lead sponsor
Neuroelectrics Corporation
Industry
Eligibility
9 Years and older
Enrollment
127 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
18
States / cities
Phoenix, Arizona • Loma Linda, California • Los Angeles, California + 13 more
Source: ClinicalTrials.gov public record
Updated Apr 7, 2026 · Synced Sep 23, 2026, 8:18 PM EDT
Completed Phase 3 Interventional Results available

Perampanel as Adjunctive Therapy in Pediatrics With Partial Onset Seizures or Primary Generalized Tonic Clonic Seizures

NCT02849626
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 Sep 23, 2026, 8:18 PM EDT
Completed Phase 4 Interventional Results available

IV Keppra in the Emergency Department for Prevention of Early Recurrent Seizures

NCT00510783
View directory record Official record
Conditions
Tonic-clonic Seizure
Interventions
Keppra, Fosphenytoin, Dilantin
Drug
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
158 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Dec 11, 2013 · Synced Sep 23, 2026, 8:18 PM EDT
Completed Phase 3 Interventional Results available

A Study to Assess the Safety and Efficacy of Lacosamide Versus Placebo (a Pill Without Active Medication) in Patients With Idiopathic Generalised Epilepsy Who Are Already Taking Anti-epileptic Medications

NCT02408523
View directory record Official record
Conditions
Epilepsy
Interventions
Lacosamide Tablet, Lasosamide Oral Solution, Placebo Tablet, Placebo Oral Solution
Drug · Other
Lead sponsor
UCB BIOSCIENCES, Inc.
Industry
Eligibility
4 Years and older
Enrollment
242 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
27
States / cities
Alabaster, Alabama • Little Rock, Arkansas • Irvine, California + 23 more
Source: ClinicalTrials.gov public record
Updated Dec 16, 2020 · Synced Sep 23, 2026, 8:18 PM EDT
Enrolling by invitation Phase 3 Interventional

Clinical Trial of Vormatrigine in Adult Patients With Epilepsy

NCT07287163
View directory record Official record
Conditions
Epilepsy, Tonic-Clonic, Focal Seizure, Primary Generalized Seizure
Interventions
vormatrogine
Drug
Lead sponsor
Praxis Precision Medicines
Industry
Eligibility
18 Years to 85 Years
Enrollment
700 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
15
States / cities
Miami, Florida • Miami Lakes, Florida • Naples, Florida + 12 more
Source: ClinicalTrials.gov public record
Updated Aug 2, 2026 · Synced Sep 23, 2026, 8:18 PM EDT
Completed Phase 3 Interventional Results available

A Safety, Efficacy and Tolerability Trial of Pregabalin as Add-On Treatment in Pediatric and Adult Subjects With Primary Generalized Tonic-Clonic (i.e., Grand Mal) Seizures.

NCT01747915
View directory record Official record
Conditions
Generalized Tonic Clonic 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
5 Years to 65 Years
Enrollment
219 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2019
U.S. locations
12
States / cities
Loxahatchee Groves, Florida • Orlando, Florida • Port Charlotte, Florida + 6 more
Source: ClinicalTrials.gov public record
Updated Jan 19, 2021 · Synced Sep 23, 2026, 8:18 PM EDT
Completed Phase 3 Interventional Results available

A 12-Month Study To Evaluate The Safety And Tolerability Of Pregabalin As Add-On Therapy In Pediatric Subjects 1 Month To 16 Years Of Age With Partial Onset Seizures And Pediatric And Adult Subjects 5 To 65 Years Of Age With Primary Generalized Tonic-Clonic Seizures

NCT01463306
View directory record Official record
Conditions
Epilepsy, Partial Seizures, Epilepsy, Primary Generalized Tonic-Clonic Seizures
Interventions
Pregabalin
Drug
Lead sponsor
Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Industry
Eligibility
1 Month to 66 Years
Enrollment
605 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2019
U.S. locations
21
States / cities
Tucson, Arizona • Little Rock, Arkansas • Los Angeles, California + 16 more
Source: ClinicalTrials.gov public record
Updated Jan 19, 2021 · Synced Sep 23, 2026, 8:18 PM EDT
Completed Phase 2 Interventional Results available

Open-Label Extension Study to Assess the Safety and Seizure Frequency Associated With Lacosamide for Primary Generalized Tonic-Clonic Seizures in Subjects With Epilepsy

NCT01118962
View directory record Official record
Conditions
Epilepsy
Interventions
Lacosamide
Drug
Lead sponsor
UCB BIOSCIENCES, Inc.
Industry
Eligibility
16 Years to 65 Years
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
19
States / cities
Phoenix, Arizona • Little Rock, Arkansas • Aurora, Colorado + 16 more
Source: ClinicalTrials.gov public record
Updated Jul 16, 2018 · Synced Sep 23, 2026, 8:18 PM EDT
Completed Phase 3 Interventional Results available

A 2-Part Study to Investigate the Dose-Ranging Safety and Pharmacokinetics, Followed by the Efficacy and Safety of ZX008 (Fenfluramine Hydrochloride) Oral Solution as an Adjunctive Therapy in Children ≥ 2 Years Old and Young Adults With Dravet Syndrome

NCT02926898
View directory record Official record
Conditions
Dravet Syndrome
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
87 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
5
States / cities
San Francisco, California • Aurora, Colorado • Chicago, Illinois + 2 more
Source: ClinicalTrials.gov public record
Updated Nov 1, 2022 · Synced Sep 23, 2026, 8:18 PM EDT
Not listed No phase listed Observational

Seizure Detection and Warning System for Epilepsy Patients

NCT01874600
View directory record Official record
Conditions
Epilepsy
Interventions
Brain Sentinel Seizure Detection Device and Warning System
Device
Lead sponsor
Brain Sentinel
Other
Eligibility
13 Years to 21 Years
Enrollment
239 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2019
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jul 9, 2019 · Synced Sep 23, 2026, 8:18 PM EDT
Completed Phase 3 Interventional Results available

Safety and Efficacy of Lacosamide as Additional Therapy in Patients Suffering From Epileptic Tonic-Clonic Seizures

NCT02408549
View directory record Official record
Conditions
Epilepsy
Interventions
Lacosamide Tablet, Lacosamide Oral Solution
Drug
Lead sponsor
UCB BIOSCIENCES, Inc.
Industry
Eligibility
4 Years and older
Enrollment
239 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2023
U.S. locations
16
States / cities
Little Rock, Arkansas • Santa Monica, California • Colorado Springs, Colorado + 13 more
Source: ClinicalTrials.gov public record
Updated Dec 13, 2023 · Synced Sep 23, 2026, 8:18 PM EDT
Recruiting Phase 2 Interventional

An Open Label Trial to Evaluate the Efficacy and Safety of PRAX-628 in Adults With Focal Onset or Tonic-Clonic Seizures

NCT06908356
View directory record Official record
Conditions
Focal Onset Seizure, Primary Generalized Epilepsy
Interventions
30mg PRAX-628
Drug
Lead sponsor
Praxis Precision Medicines
Industry
Eligibility
18 Years to 75 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
8
States / cities
Phoenix, Arizona • Miami Lakes, Florida • Bethesda, Maryland + 5 more
Source: ClinicalTrials.gov public record
Updated Apr 2, 2025 · Synced Sep 23, 2026, 8:18 PM EDT
Recruiting Phase 2 Interventional

Prophylactic Anti-Seizure Medication vs No Anti-Seizure Medication for Patients With Primary Motor Cortex Brain Metastases

NCT07130786
View directory record Official record
Conditions
Seizures, Primary Motor Cortex, Brain Metastases From Non-small Cell Lung Cancer (NSCLC), Brain Metastases, Adult, Brain Metastases From Extra-cranial Solid Tumors
Interventions
Levetiracetam (Keppra)
Drug
Lead sponsor
Ayal A. Aizer, MD
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 7, 2026 · Synced Sep 23, 2026, 8:18 PM EDT
Completed No phase listed Observational

Detecting Generalized Tonic-Clonic Seizures With a Seizure Detection and Warning System in Epilepsy Patients

NCT02371200
View directory record Official record
Conditions
Epilepsy, Generalized Tonic-Clonic Seizures
Interventions
Brain Sentinel Seizure Detection and Warning System
Device
Lead sponsor
Brain Sentinel
Other
Eligibility
2 Years to 99 Years
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
2
States / cities
Charleston, South Carolina • San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jul 9, 2018 · Synced Sep 23, 2026, 8:18 PM EDT
Terminated No phase listed Observational

Evaluation and Treatment of Patients With Epilepsy

NCT00013845
View directory record Official record
Conditions
Epilepsy
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
2 Years and older
Enrollment
1,278 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2018
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 11, 2019 · Synced Sep 23, 2026, 8:18 PM EDT
Recruiting Phase 3 Interventional

A Study to Evaluate XEN1101 as Adjunctive Therapy in Primary Generalized Tonic-Clonic Seizures

NCT05667142
View directory record Official record
Conditions
Primary Generalized Tonic-Clonic Seizures
Interventions
XEN1101, Placebo
Drug
Lead sponsor
Xenon Pharmaceuticals Inc.
Industry
Eligibility
12 Years and older
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
59
States / cities
Mobile, Alabama • Phoenix, Arizona • Tucson, Arizona + 50 more
Source: ClinicalTrials.gov public record
Updated Aug 9, 2026 · Synced Sep 23, 2026, 8:18 PM EDT
Completed Phase 4 Interventional

Treatment Of Primary Generalized Tonic-Clonic Seizures With An Investigational New Drug

NCT00043901
View directory record Official record
Conditions
Epilepsy, Tonic-Clonic
Interventions
lamotrigine
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
2 Years and older
Enrollment
141 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2005
U.S. locations
80
States / cities
Alabaster, Alabama • Mobile, Alabama • Northport, Alabama + 71 more
Source: ClinicalTrials.gov public record
Updated Apr 3, 2017 · Synced Sep 23, 2026, 8:18 PM EDT
Completed Phase 3 Interventional Results available

An Open-Label Extension Trial to Assess the Long-Term Safety of ZX008 (Fenfluramine Hydrochloride HCl) Oral Solution in Children and Young Adults With Dravet Syndrome

NCT02823145
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
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 Sep 23, 2026, 8:18 PM EDT
Completed Phase 3 Interventional Results available

Evaluating Long Term Safety of Lacosamide (LCM) to Carbamazepine Controlled-release (CBZ-CR); Initial Monotherapy in Epilepsy Subjects 16 Years and Older

NCT01465997
View directory record Official record
Conditions
Epilepsy, Monotherapy
Interventions
Lacosamide, Carbamazepine-Controlled Release (CBZ-CR)
Drug
Lead sponsor
UCB BIOSCIENCES GmbH
Industry
Eligibility
Not listed
Enrollment
551 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
9
States / cities
Alabaster, Alabama • Huntsville, Alabama • Little Rock, Arkansas + 6 more
Source: ClinicalTrials.gov public record
Updated Jul 17, 2018 · Synced Sep 23, 2026, 8:18 PM EDT