• Abla M Albsoul-Younes, Hazem A Salem, Saleh F Ajlouni, and Saafan A Al-Safi.
• Department of Clinical Pharmacy, Faculty of Pharmacy, Jordan University of Science and Technology, Irbid, Jordan.
• Pediatr. Neurol. 2004 Nov 1;31(5):349-52.

AbstractTopiramate is an effective treatment for several types of seizures. The aim of this study is to assess the efficacy and tolerability of slow topiramate dose titration as add-on therapy in childhood epilepsy. This investigation is a prospective open-label, single-center, add-on study in 22 children with a diagnosis of refractory epilepsy. Topiramate (dose 0.5-2 mg/kg/day) was titrated at 2-week intervals up to the recommended dose of 6-12 mg/kg/day. Seizure frequency rate reduction was significant, declining from 23 +/- 5.1 seizures/week (mean +/- S.E.M.) at baseline phase to 3.5 +/- 1.2 seizures/week at the end of the 16-week stabilization phase (P < 0.001). After 16 weeks of stabilization, 19 patients (86%) had more than 50% seizure reduction. Seven patients (31%) were 100% seizure-free. Two patients (9%) manifested no improvement; only one patient (5%) did not tolerate the added drug and discontinued topiramate. One patient manifested severe side effects, whereas 21 patients experienced mild to moderate side effects mostly represented by somnolence, nervousness, and anorexia with or without weight loss. We conclude that slow dose titration improves efficacy and tolerability of topiramate as add-on therapy in the treatment in refractory epilepsy.

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