Journal of child neurology
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The antiepileptic effect of vigabatrin in adults has been demonstrated in a number of controlled studies. In children, the effect of vigabatrin has been investigated only to a limited extent. In order to assess the long-term effect and safety of vigabatrin in patients with severe epilepsy, an open, add-on, dose-ranging study was initiated. ⋯ However, when seizures recurred, they did so at much lower frequency than recorded at the start of the study. Thirteen patients (39%) reported adverse events attributable to vigabatrin; one was immediately withdrawn from the study, and six had their vigabatrin dose reduced. No physiologic effects were noted on normal growth or clinical physical examination.