Journal
PEDIATRIC NEUROLOGY
Volume 51, Issue 4, Pages 527-531Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.pediatrneurol.2014.06.004
Keywords
levetiracetam; Lennox-Gastaut syndrome; child; efficacy; tolerability
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Funding
- Yonsei University College of Medicine [7-2008-0480]
- UCB Korea
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BACKGROUND: Our aim was to investigate the efficacy and tolerability of levetiracetam as an add-on treatment in pediatric patients with Lennox-Gastaut syndrome. METHODS: The study was an open-label, multicenter, observational clinical trial of levetiracetam as an add-on treatment in Lennox-Gastaut syndrome. Fifty-five patients aged 1.1-18.6 years (mean, 10.0 years) were enrolled. The study included a 4-8-week titration period and an 8-week maintenance period. The maintenance dose of levetiracetam was 20-80 mg/kg/day, according to its effectiveness and tolerability. The primary end point was reduction in seizure frequency, and related variables were also evaluated. RESULTS: Among 55 patents, 51 patients (92.7%) completed the study. Thirty-two patients (58.2%) experienced a more than 50% reduction in seizure frequency, and 15 patients (27.3%) became seizure free. A reduction in seizure frequency of more than 50% was observed in 21 of 36 patients (58.3%) with convulsive seizures, 7 of 12 patients (58.3%) with drop attacks, 2 of 4 patients (50.0%) with myoclonic seizures, and 2 of 3 patients (66.7%) with epileptic spasms. Overall, 34.5% of patients reported adverse events. None of the adverse events were life threatening, and the most common adverse event was hyperactivity (12.7%). CONCLUSIONS: This study suggests that levetiracetam is a safe and effective treatment in pediatric patients with Lennox-Gastaut syndrome.
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