A Study to Evaluate Efficacy and Safety of Perampanel Administered as an Adjunctive Therapy in Pediatric Participants With Childhood Epilepsy
Trial Parameters
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).
Eligibility Criteria
Inclusion Criteria: * 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 can