The cenobamate KORK study—A prospective monocenter observational study investigating cenobamate as an adjunctive therapy in refractory epilepsy, with comparisons to historical cohorts treated with add‐on lacosamide, perampanel, and brivaracetam

Autor: Bernhard J. Steinhoff, Dimitra Georgiou, Tassanai Intravooth
Jazyk: angličtina
Rok vydání: 2024
Předmět:
Zdroj: Epilepsia Open, Vol 9, Iss 4, Pp 1502-1514 (2024)
Druh dokumentu: article
ISSN: 2470-9239
62224166
DOI: 10.1002/epi4.12992
Popis: Abstract Objective In Europe, cenobamate has been approved for use as an adjunctive therapy in adult patients with epilepsy (PWE) with focal‐onset seizures (FOS) who have not responded satisfactorily to treatment with at least two antiseizure medications (ASMs). Pivotal trials and real‐world observational studies have demonstrated a high efficacy of cenobamate, even in very difficult‐to‐treat epilepsies. Our aim was to investigate the efficacy of add‐on cenobamate in adult PWE who were prospectively monitored. We compared these results with those previously obtained for add‐on lacosamide, perampanel, and brivaracetam therapy. Methods Patients were enrolled from the CENKORK study, which is a prospective, non‐interventional, open‐label, monocenter cohort study of adult PWE experiencing FOS. The titration of cenobamate was performed according to the guidelines outlined in the summary of product characteristics. The primary outcome measure was the retention rate at 6 months and 1 year. In addition, we assessed seizure‐free rates, the proportion of patients achieving at least a 50% seizure reduction, adverse events, and the reasons for treatment discontinuation. These outcome measures were compared with historical controls treated with adjunctive lacosamide, perampanel, or brivaracetam at our center. Results Between June 2021 and 2022, 172 PWE with ongoing FOS were included. 22 cases were lost to follow‐up, leaving 150 cases for the 1‐year assessment. The retention rates at 6 months and 1 year were 88.7% and 80%, respectively. Seizure freedom was achieved in 14% of patients at both the 6‐month and 1‐year marks, while the ≥50% responder rates were 50% and 61%, respectively. The 6‐month retention rate was significantly higher in cenobamate than in other ASMs (p
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