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Evolution of drug-resistant childhood epilepsy treated with topiramate

M.J. Martínez-González, C. Garaizar, J.M. Prats-Viñas Journal 32(05) ● Publication date 16/03/2001 ● Original ● Views 890 ● Downloads 271 Castellano English Português

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Childhood epilepsy Refractory epilepsy Topiramate

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[REV NEUROL 2001;32:405-408] PMID: 11346818 DOI: https://doi.org/10.33588/rn.3205.2000441

INTRODUCTION. The variable proportion of cases with childhood epilepsy resistant to treatment, has led to the development of different new drugs. OBJECTIVE. To study the efficacy of topiramate as add-on therapy in the everyday practice of a neuropaediatric clinic.

PATIENTS AND METHODS. A retrospective study of all the patients treated with topiramate in a hospital outpatient clinic was performed. Outcome measurement: 1. Reduction in ³ 50% as compared to basal frequency (partial control) and total control of seizures, and 2. Duration of drug treatment, using the Kaplan-Meier method.

RESULTS. We studied 31 courses of treatment in 29 children. The aetiology of the epileptic syndromes was: idiopathic epilepsy (3.3%), cryptogenic epilepsy (58%) and symptomatic epilepsy (38.7%). We found a ³50% reduction in the basal monthly frequency of seizures after 3 months of treatment in 52% of the patients, which persisted 18 months later in 25%. Total control of seizures was obtained in 18.5% of the patients after 3 months of treatment, and this response was maintained 12 months later in 12.5%. The probability of maintaining treatment with topiramate for 6 months was 80%, and for 12 months was 49%. The average duration of treatment was 7.9 months (interval 1-29 months). Topiramate was suspended in 9 patients (29%). CONCLUSION. In difficult to treat childhood epilepsy topiramate as add-on therapy provides a partial and total responses which are similar to those reported with classical drugs, and depend on the duration of follow-up.

Keywords Childhood epilepsy Refractory epilepsy Topiramate Classified in Epilepsias y síndromes epilépticos

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Martinez-Gonzalez MJ Garaizar C Prats-Vinas JM

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Childhood epilepsy Refractory epilepsy Topiramate

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Martinez-Gonzalez MJ Garaizar C Prats-Vinas JM

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Childhood epilepsy Refractory epilepsy Topiramate

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Evolution of drug-resistant childhood epilepsy treated with topiramate

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Máster en Neurociencia Experimental y Clínica

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Máster en Neuropsicología de las Altas Capacidades Intelectuales

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