A Study to Evaluate Efficacy and Safety of Perampanel Administered as an Adjunctive Therapy in Pediatric Participants With Childhood Epilepsy
An Open-Label Study With Extension Phase to Evaluate the Efficacy and Safety of Perampanel Administered as an Adjunctive Therapy in Pediatric Subjects (Age 1 Month to Less Than 18 Years) With Childhood Epilepsy
2 other identifiers
interventional
100
7 countries
49
Brief Summary
The purpose of the study is to evaluate the efficacy of perampanel as measured by the 50 percent (%) responder rate during the maintenance period of the core study for seizure frequency in participants with pediatric epileptic syndrome (Cohort 1) and partial-onset seizures (POS) (Cohort 2).
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for phase_2
Started May 2019
Longer than P75 for phase_2
49 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
May 27, 2019
CompletedStudy Start
First participant enrolled
May 31, 2019
CompletedFirst Posted
Study publicly available on registry
July 10, 2019
CompletedPrimary Completion
Last participant's last visit for primary outcome
April 6, 2027
ExpectedStudy Completion
Last participant's last visit for all outcomes
December 23, 2027
October 9, 2025
June 1, 2025
7.9 years
May 27, 2019
October 8, 2025
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Proportion of 50% Responders For All Seizures During the Maintenance Period of Core Study
A response of 50% will be defined as a decrease in 28-day seizure frequency of equal or greater than 50% compared to baseline seizure frequency.
Week 10 to Week 23
Secondary Outcomes (22)
Proportion of 50% Responders During Treatment Period of Core Study and Extension Phase A
Treatment Period of Core Study and Extension Phase A: Week 0 to Week 56
Proportion of 25% and 75% Responders for all Seizures, During Maintenance Period of Core Study and During Treatment Period of Core Study and Extension Phase A
Maintenance Period of Core study: Week 10 to Week 23; Treatment Period of Core Study and Extension Phase A: Week 0 to Week 56
Proportion of Participants Who Are Seizure-Free During the Maintenance Period of Core Study and During the Treatment Period of Core Study and Extension Phase A
Maintenance Period of Core study: Week 10 to Week 23; Treatment Period of Core Study and Extension Phase A: Week 0 to Week 56
Change From Baseline in Seizure Frequency For All Seizures During the Treatment Period of Core Study and During the Treatment Period of Core Study and Extension Phase A
Baseline, Treatment Period of Core study: Week 23, Treatment Period of Core Study and Extension Phase A: Week 56
Percent Change From Baseline in Seizure Frequency For All Seizures During the Treatment Period of Core Study and During the Treatment Period of Core Study and Extension Phase A
Baseline, Treatment Period of Core study: Week 23, Treatment Period of Core Study and Extension Phase A: Week 56
- +17 more secondary outcomes
Study Arms (1)
Perampanel
EXPERIMENTALParticipants aged 1 month to less than 18 years with pediatric epileptic syndrome (Cohort 1) or aged 1 month to less than 2 years with POS (Cohort 2) will receive perampanel oral suspension or perampanel tablets, once daily up to 56 weeks.
Interventions
Eligibility Criteria
You may qualify if:
- Male or female participants. Cohort 1: age 1 month to less than 18 years; Cohort 2: age 1 month to less than 2 years at the time of informed consent/assent. Participants below the age of 1 year must have been at least 36 weeks of gestational age at birth.
- Have a diagnosis of epilepsy with a pediatric epileptic syndrome (Cohort 1) or epilepsy with POS with or without secondary generalization (Cohort 2).
- Have had equal or greater than 4 seizures over the 4-week interval prior to enrollment visit.
- Absence of any progressive cause of epilepsy that has been confirmed clinically or based on brain imaging (example, magnetic resonance imaging \[MRI\] scan or computed tomography \[CT\] or ultrasound \[for less than 1 year old\]).
- Currently maintained on stable doses of 1 to a maximum of 4 approved antiepileptic drugs (AEDs). A prescription medical marijuana (including products containing cannabidiol) is counted as 1 of the maximum of 4 allowed AEDs; however, it cannot be the only concomitant AED if this product is not an approved AED in the country where the study site is located. Doses must be stable for at least 4 weeks (at least 2 weeks for participant less than \[\<\] 6 months old) before Visit 1/Baseline or screening; only 1 enzyme-inducing antiepileptic drug (EIAED) (defined as carbamazepine, phenytoin, oxcarbazepine, or eslicarbazepine) out of the maximum of 4 AEDs is allowed.
You may not qualify if:
- Current or history of pseudo-seizures (psychogenic nonepileptic seizures) within approximately 5 years before screening visit.
- Have a history of status epilepticus that required hospitalization within 6 months before screening visit.
- Have an unstable psychiatric diagnosis that may confound participant's ability to participate in the study or that may prevent completion of the protocol specified tests (example, significant suicide risk, including suicidal behavior and ideation within 6 months before screening visit 1, current psychotic disorder, acute mania).
- Any suicidal ideation with intent with or without a plan within 6 months before enrollment visit (answering "Yes" to questions 4 or 5 on the Suicidal Ideation section of the C-SSRS) in participants aged 6 and above or based on the opinion of the Investigator for participants less than 6 years.
- Are scheduled or confirmed or both to have epilepsy surgery within 6 months after screening visit; however, those who have previously documented "failed" epilepsy surgery will be allowed.
- Have a progressive central nervous system (CNS) disease, including degenerative CNS diseases and progressive tumors.
- Benzodiazepines for any indications other than epilepsy (example, anxiety/sleep disorders) prohibited from 1 month before Visit 1/Baseline or screening and during the study. Benzodiazepines for seizure control and as rescue medication are allowed.
- A vagal nerve stimulator (VNS), responsive neurostimulator (RNS), or deep brain stimulator (DBS) implanted less than 5 months before screening visit or changes in parameter less than 4 weeks before screening visit (or thereafter during the study).
- Use of perampanel within 30 days before screening visit, or perampanel was discontinued due to adverse reactions (perampanel-related) or lack of efficacy in case of previous exposure.
- Weight less than 4.0 kilogram (kg) at Visit 1 (Baseline or screening).
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Eisai Inc.lead
Study Sites (49)
Phoenix Childrens Hospital
Phoenix, Arizona, 85016, United States
Center For Neurosciences
Tucson, Arizona, 85718, United States
David Geffen School of Medicine at UCLA
Los Angeles, California, 90095, United States
Childrens Hospital Colorado
Aurora, Colorado, 80045, United States
Nemours Foundation Alfred Dupont Children's Hospital
Wilmington, Delaware, 19803, United States
Nicklaus Children's Hospital
Miami, Florida, 33155, United States
Pediatric Neurology PA
Orlando, Florida, 32819, United States
Pediatric Epilepsy and Neurology Specialists
Tampa, Florida, 33607, United States
PANDA Neurology
Atlanta, Georgia, 30328, United States
Meridian Clinical Research-(Savannah Georgia)
Savannah, Georgia, 31406, United States
Children's Hospital of Michigan
Detroit, Michigan, 48201, United States
Northeast Regional Epilepsy Group
Hackensack, New Jersey, 07601, United States
Columbia University Medical Center
New York, New York, 10032, United States
Wake Forest Baptist Medical Center - PPDS
Winston-Salem, North Carolina, 27157, United States
University Hospitals Cleveland Medical Center
Cleveland, Ohio, 44106, United States
Dayton Children's Hospital
Dayton, Ohio, 45404, United States
Doernbecher Children's Hospital
Portland, Oregon, 97239, United States
Child Neurology Consultants of Austin
Austin, Texas, 78731, United States
Road Runner Research Ltd
San Antonio, Texas, 78249, United States
Children's Specialty Group
Norfolk, Virginia, 23510, United States
Children's Hospital of Richmond at VCU - CHoR-PIN
Richmond, Virginia, 23298, United States
Seattle Children's Hospital
Seattle, Washington, 98105, United States
Centre Neurologique William Lennox
Ottignies, Brabant Wallon, Belgium
Cliniques Universitaires Saint-Luc
Brussels, Brussels Capital, Belgium
H�pital Universitaire des Enfants Reine Fabiola
Brussels, Brussels Capital, Belgium
UZ Brussel
Brussels, Brussels Capital, Belgium
UZ Gent
Ghent, Oost-Vlaanderen, Belgium
H�pital Erasme
Anderlecht, Belgium
Fakultni nemocnice Brno
Brno, Czechia
Fakultni nemocnice Ostrava
Ostrava, Czechia
Fakultni nemocnice Plzen
Pilsen, Czechia
Aarhus Universitetshospital
Aarhus N, Central Jutland, Denmark
Regionshospitalet Randers
Randers, Denmark
Hopitaux de La Timone
Marseille, Bouches-du-Rhone, France
H�pital Pellegrin-Enfants
Bordeaux, France
Hopital Necker
Paris, France
Hopitaux de Paris CHU Hopital Robert Debre - Inserm U676
Paris, France
CHRU Rennes
Rennes, France
Centre Hospitalier Universitaire de Toulouse
Toulouse, France
Universit�tsklinikum Freiburg
Freiburg im Breisgau, Germany
Universit�tsklinikum Jena
Jena, Germany
Dr. Von Haunersches Kinderspital
Munich, Germany
Kleinwachau S�chsisches Epilepsiezentrum Radeberg Gemeinn�tzige Gmbh
Radeberg, Germany
Centro Medico Teknon � Grupo Quironsalud
Barcelona, Spain
Hospital Clinico San Carlos
Madrid, Spain
Hospital General Universitario Gregorio Mara�on
Madrid, Spain
Complejo Hospitalario de Navarra
Pamplona, Spain
CHUS � H. Clinico U. de Santiago
Santiago de Compostela, Spain
Hospital Universitario Virgen del Rocio - PPDS
Seville, Spain
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Central Study Contacts
Study Design
- Study Type
- interventional
- Phase
- phase 2
- Allocation
- NA
- Masking
- NONE
- Purpose
- TREATMENT
- Intervention Model
- SINGLE GROUP
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
May 27, 2019
First Posted
July 10, 2019
Study Start
May 31, 2019
Primary Completion (Estimated)
April 6, 2027
Study Completion (Estimated)
December 23, 2027
Last Updated
October 9, 2025
Record last verified: 2025-06
Data Sharing
- IPD Sharing
- Will share
Eisai's data sharing commitment and further information on how to request data can be found on our website http://eisaiclinicaltrials.com/.