• Marcia L Buck and Howard P Goodkin.
• Departments of Pharmacy Services, University of Virginia, Charlottesville, Virginia ; Departments of Pediatrics, University of Virginia, Charlottesville, Virginia.
• J Pediatr Pharmacol Ther. 2012 Jul 1; 17 (3): 211-9.

ObjectivesLacosamide was approved by the US Food and Drug Administration in 2008 for adjunctive therapy for focal onset seizures in patients 17 years of age and older. The efficacy of this agent in adults has led clinicians to consider lacosamide for children with refractory seizures.MethodsThe MEDLINE database (1950-June 2012) was searched for abstracts containing lacosamide as the key term. Additional references were obtained from the manufacturer and the bibliographies of the articles reviewed. All available English-language case reports and clinical trials were included in the evaluation.ResultsSeveral case series studies have been published which support the use of lacosamide in children with refractory seizures. In the papers published to date, 30% to 50% of children experienced at least a 50% reduction in seizure frequency, similar to results obtained in clinical trials in adults. Children with focal onset seizures were most likely to benefit from treatment, while results in children with generalized seizures or multiple seizure types were mixed. Adverse effects in children were similar to those seen in adults, with dizziness, headache, and nausea occurring most frequently. Lack of efficacy has been the most common cause of discontinuation.ConclusionsLacosamide appears to be a useful adjunct therapy in children with refractory seizures. Clinical trials are under way that may provide more definitive information on the efficacy and safety of lacosamide in children and allow clinicians to determine the appropriate place of this antiseizure drug in pediatric epilepsy management.

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