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Outcome and tolerability of topiramate in brain tumor associated epilepsy.

Abstract
Epilepsy in brain tumor patients is often refractory to pharmacological treatments and can complicate the therapeutic management of these patients. We conducted a prospective, observational study. The aim of this study was to investigate the efficacy and tolerability of topiramate (TPM) in brain tumor associated epilepsy. We studied 47 patients with brain tumors and epilepsy. The entire group was administered AEDs. TPM was the first therapeutic choice in 14 patients, while in the remaining 33 patients previous AEDs were modified and TPM was introduced due to side effects or inefficacy of the first drug. Follow-up ranged from 3 to 48 months (mean 16.5 months). Considering the final follow-up of each patient who assumed TPM for at least 3 months, we observed 45 patients: 25 were seizure free (55.6%), 9 had a reduction of seizure frequency (SF) higher than 50% (20%) and 11 were stable (24.4%). TPM responder rate was 75.6%. Three patients (6.4%) discontinued TPM for severe side effects (1 after 4 months and 2 after 1 month) and 4 (8.5%) had mild and reversible side effects. In the group of patients who had been in therapy with other AEDs prior to entering the study (n = 33), 19 patients had side effects (57.6%). During follow-up, the haematological parameters were in the normative ranges. Tumor-related seizures are difficult to control with AEDs; the precise reasons for this difficulty are not yet clear. Using TPM, we obtained good seizure control with a low incidence of side effects.
AuthorsM Maschio, L Dinapoli, A Zarabla, A Pompili, C M Carapella, A Pace, D Giannarelli, E Occhipinti, B Jandolo
JournalJournal of neuro-oncology (J Neurooncol) Vol. 86 Issue 1 Pg. 61-70 (Jan 2008) ISSN: 0167-594X [Print] United States
PMID17598071 (Publication Type: Clinical Trial, Controlled Clinical Trial, Journal Article)
Chemical References
  • Anticonvulsants
  • Topiramate
  • Fructose
Topics
  • Adult
  • Aged
  • Anticonvulsants (therapeutic use)
  • Brain Neoplasms (complications)
  • Drug Evaluation
  • Epilepsy (complications, drug therapy)
  • Female
  • Follow-Up Studies
  • Fructose (analogs & derivatives, therapeutic use)
  • Humans
  • Male
  • Middle Aged
  • Outcome Assessment, Health Care
  • Retrospective Studies
  • Time Factors
  • Topiramate

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