• P Uldall, J Alving, L Gram, and S Beck.
• Dianalund Epilepsy Hospital, Denmark.
• J. Child Neurol. 1991 Jan 1; Suppl 2: S38-44.

AbstractThe 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. To date, 27 children with partial epilepsy, two with generalized epilepsy, two with Lennox-Gastaut syndrome, and one with nonclassifiable epilepsy have been enrolled in the trial. Fifty-four percent of patients have experienced a greater than 50% reduction in seizure frequency, and four patients have become seizure free. A significant reduction in seizures was noted across the patient population, although patients who were recorded as seizure free at 3 and 6 months did suffer some recurrence of seizures. 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 Thirteen patients (39%) reported adverse events attributable to vigabatrin; one was immediately withdrawn from the study, and six had their vigabatrin dose reduced.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.

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