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

Running, not enrolling · Phase 2

Conditions studied: Pediatric Epileptic Syndrome, Partial-onset Seizures

In brief

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).

Key facts

Study ID: NCT04015141
Run by: Eisai Inc.
People needed: 100
Starts: 2019-05-31
Expected to finish: 2027-12-23
Last updated by the study team: 2026-07-10

Who can join

Age: 0 and older, up to 18. Sex: any. Healthy volunteers: not accepted.

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).

Where it is running

Universitätsklinikum Jena — Jena, Germany
Dr. Von Haunersches Kinderspital — Munich, Germany
Kleinwachau Sächsisches Epilepsiezentrum Radeberg Gemeinnützige Gmbh — Radeberg, Germany
Hospital Clinico San Carlos — Madrid, Spain
Hospital General Universitario Gregorio Marañon — 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
David Geffen School of Medicine at UCLA — Los Angeles, California, United States
Childrens Hospital Colorado — Aurora, Colorado, United States
Nicklaus Children's Hospital — Miami, Florida, United States
Pediatric Epilepsy and Neurology Specialists — Tampa, Florida, United States
Meridian Clinical Research-(Savannah Georgia) — Savannah, Georgia, United States
Children's Hospital of Michigan — Detroit, Michigan, United States
Northeast Regional Epilepsy Group — Hackensack, New Jersey, United States
Wake Forest Baptist Medical Center - PPDS — Winston-Salem, North Carolina, United States
University Hospitals Cleveland Medical Center — Cleveland, Ohio, United States
Dayton Children's Hospital — Dayton, Ohio, United States
Child Neurology Consultants of Austin — Austin, Texas, United States
Road Runner Research Ltd — San Antonio, Texas, United States
Children's Specialty Group — Norfolk, Virginia, United States
Children's Hospital of Richmond at VCU - CHoR-PIN — Richmond, Virginia, United States
Seattle Children's Hospital — Seattle, Washington, United States
Centre Neurologique William Lennox — Ottignies, Brabant Wallon, Belgium
Hôpital Universitaire des Enfants Reine Fabiola — Brussels, Brussels Capital, Belgium

Full record on ClinicalTrials.gov

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