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Showing 1–24 of 35 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Generalized Tonic Clonic Seizure Clear all
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 Jul 21, 2026, 11:36 PM EDT
Completed Phase 3 Interventional Results available

Randomized, Double-Blind Study to Evaluate Efficacy and Safety of Cenobamate Adjunctive Therapy in PGTC Seizures

NCT03678753
View directory record Official record
Conditions
Primary Generalized Epilepsy
Interventions
Cenobamate, Placebo
Drug
Lead sponsor
SK Life Science, Inc.
Industry
Eligibility
12 Years and older
Enrollment
169 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2025
U.S. locations
43
States / cities
Phoenix, Arizona • Tuscon, Arizona • Fresno, California + 37 more
Source: ClinicalTrials.gov public record
Updated Jul 1, 2026 · Synced Jul 21, 2026, 11:36 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 Jul 21, 2026, 11:36 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 Jul 21, 2026, 11:36 PM EDT
Completed Not applicable Interventional

EpiWatch: Evaluation of a Non-EEG Physiological Signal Based Seizure Monitoring System

NCT05059002
View directory record Official record
Conditions
Epilepsy, Tonic-Clonic
Interventions
Physiological signal monitoring and seizure detection
Device
Lead sponsor
EpiWatch, Inc.
Industry
Eligibility
5 Years and older
Enrollment
242 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 3, 2025 · Synced Jul 21, 2026, 11:36 PM EDT
Completed Phase 4 Interventional Results available

Study to Evaluate the Efficacy and Safety of Perampanel as Monotherapy or First Adjunctive Therapy in Subjects With Partial Onset Seizures With or Without Secondarily Generalized Seizures or With Primary Generalized Tonic-Clonic Seizures

NCT03288129
View directory record Official record
Conditions
Partial Onset Seizures, Secondarily Generalized Seizures, Primary Generalized Tonic-Clonic Seizures
Interventions
Perampanel
Drug
Lead sponsor
Eisai Inc.
Industry
Eligibility
4 Years and older
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
24
States / cities
Birmingham, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 20 more
Source: ClinicalTrials.gov public record
Updated May 15, 2022 · Synced Jul 21, 2026, 11:36 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 Jul 21, 2026, 11:36 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 Jul 21, 2026, 11:36 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 Jul 21, 2026, 11:36 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 Jul 21, 2026, 11:36 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 Jul 21, 2026, 11:36 PM EDT
Not listed Not applicable Interventional

Assessment of the Emfit Mattress Sensor for Detection and Alarm of Night-time Generalized Tonic-clonic Seizures.

NCT02661919
View directory record Official record
Conditions
Epilepsy, Seizures
Interventions
Emfit mattress sensor
Device
Lead sponsor
Emfit, Corp.
Industry
Eligibility
18 Years to 89 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 15, 2019 · Synced Jul 21, 2026, 11:36 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 Mar 18, 2026 · Synced Jul 21, 2026, 11:36 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 Jul 21, 2026, 11:36 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
9
States / cities
Miami Lakes, Florida • Naples, Florida • Lafayette, Louisiana + 6 more
Source: ClinicalTrials.gov public record
Updated Dec 16, 2025 · Synced Jul 21, 2026, 11:36 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 Jul 7, 2026 · Synced Jul 21, 2026, 11:36 PM EDT
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 Jul 21, 2026, 11:36 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 Jul 21, 2026, 11:36 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 Jul 21, 2026, 11:36 PM EDT
Completed No phase listed Observational

Seizure Detection and Warning System in Epilepsy Patients

NCT02555410
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
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jul 11, 2017 · Synced Jul 21, 2026, 11:36 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 Jul 21, 2026, 11:36 PM EDT
Active, not recruiting Phase 3 Interventional

A Phase 3 Study to Examine the Efficacy and Safety of ZX008 in Subjects With CDKL5 Deficiency Disorder.

NCT05064878
View directory record Official record
Conditions
CDKL5 Deficiency Disorder, Generalized Tonic Clonic Seizure, Epileptic Spasm, Refractory Seizures
Interventions
Fenfluramine, Placebo
Drug
Lead sponsor
Zogenix, Inc.
Industry
Eligibility
1 Year to 35 Years
Enrollment
87 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
13
States / cities
Birmingham, Alabama • Los Angeles, California • San Francisco, California + 10 more
Source: ClinicalTrials.gov public record
Updated Apr 28, 2026 · Synced Jul 21, 2026, 11:36 PM EDT
Completed Phase 3 Interventional Results available

Study Evaluating LAMICTAL Extended-Release Therapy Added To Current Seizure Treatments In Patients With Primary Generalized Tonic-Clonic Seizures (PGTC) Seizures

NCT00104416
View directory record Official record
Conditions
Epilepsy, Tonic-Clonic
Interventions
lamotrigine (LAMICTAL) extended-release, Placebo
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
13 Years and older
Enrollment
153 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2008
U.S. locations
64
States / cities
Anniston, Alabama • Birmingham, Alabama • Northport, Alabama + 56 more
Source: ClinicalTrials.gov public record
Updated Jan 1, 2017 · Synced Jul 21, 2026, 11:36 PM 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 13, 2025 · Synced Jul 21, 2026, 11:36 PM EDT