Epilepsia
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To evaluate the effectiveness of lacosamide (LCM) in pediatric patients, using time to treatment failure as the outcome measure, and to assess the impact of concomitant sodium channel blocker (SCB) use on LCM retention. ⋯ This study provides observational evidence for treatment persistence of LCM in children, in a large cohort with long-term follow-up, using time to treatment failure as the outcome measure. Concomitant SCB use was a key factor increasing risk of LCM failure, but not due to treatment-emergent adverse effects alone.