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P.085 Exploring the efficacy and safety of perampanel in epilepsia partialis continua: a case series

Published online by Cambridge University Press:  10 July 2025

S Lahsaee
Affiliation:
(Halifax)*
B Whatley
Affiliation:
(Halifax)
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Abstract

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Background: Epilepsia partialis continua (EPC) is a form of focal status epilepticus, often requiring multiple anti-seizure medications (ASM). There are no established guidelines for pharmacological management. Perampanel (PER), an AMPA receptor antagonist, has gained attention in treating status epilepticus based on limited case reports. This study evaluates the efficacy of PER in treating EPC. Methods: We retrospectively analyzed the treatment response and adverse effects of PER in patients with EPC at our local hospital from January 2024 to January 2025. Seven patients with EPC were included. The loading dose of PER ranged from 6 mg to 20 mg. The etiology of EPC was intracranial hemorrhage (70%) and glioblastoma (30%). A clinical response was defined as seizure freedom within 72 hours of initiating PER, with PER being the last ASM added. Results: PER resulted in seizure termination in 6 of 7 patients. Time to response ranged from 24 to 72 hours. Oral PER, up to a dose of 16 mg, was well-tolerated in conscious patients. Common side effects included sedation, delirium, agitation, and nausea. Conclusions: Our real-world data suggest that PER can be an effective and well-tolerated early adjunct therapy in EPC, particularly at higher oral loading doses in conscious patients.

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Abstracts
Copyright
© The Author(s), 2025. Published by Cambridge University Press on behalf of Canadian Neurological Sciences Federation