期刊
EPILEPSY RESEARCH
卷 42, 期 2-3, 页码 159-168出版社
ELSEVIER
DOI: 10.1016/S0920-1211(00)00173-X
关键词
tiagabine; add-on therapy; childhood epilepsies; clinical trial; dosage
Tiagabine, a specific gamma -aminobutyric acid-uptake inhibitor, has been shown to be reasonably well tolerated and efficacious as adjunctive treatment for partial seizures in adults and is now being investigated in children. This 4-month, single-blind study evaluated the tolerability, safety and preliminary efficacy of ascending doses (0.25-1.5 mg/kg/day) of tiagabine add-on therapy in 52 children over the age of 2 years with different syndromes of refractory epilepsy. Adverse events, mostly mild to moderate, were reported by 39% of children during the single-blind placebo period and by 83% of children during tiagabine treatment. The events predominantly affected the nervous system with asthenia (19%), nervousness (19%), dizziness (17%) and somnolence (17%) bring the most common. Only three children (6%) withdrew because of adverse events. Tiagabine: appeared to reduce seizures more in localisation-related epilepsy syndromes than in generalised epilepsy syndromes. Twenty-three patients with localisation-related epilepsy syndromes were included and 17 of these patients entered the fourth dosing period. The 17 patients had a median reduction of seizure rate in the fourth month of treatment of 33% compared with baseline. In comparison, 13 of 22 children with seven different generalised epilepsy syndromes entered the fourth dosing period with a median change of seizure rate of 0%. Two patients experienced single episodes of status epilepticus during treatment; both cases resolved. Tiagabine showed efficacy mainly in localisation-related syndromes and was well tolerated by most children in a group of very refractory patients and warrants further study in children with epilepsy. (C) 2000 Elsevier Science B.V. All rights reserved.
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