Safety of long-term treatment with tiagabine

Toufic Fakhoury, Basim Uthman, Bassel Abou-Khalil

Research output: Contribution to journalArticlepeer-review

13 Scopus citations

Abstract

The aim of this study was to evaluate the safety of long-term treatment with tiagabine. We reviewed the case report forms of patients with refractory partial epilepsy who took tiagabine for longer than 6 months in two long-term studies. We classified all adverse events based on severity and persistence, and recorded the dose at onset of each adverse event. We then divided patients into those treated for 6-12 months, 12-24 months and >24 months. We compared the adverse event profile and change in seizure frequency among the three groups. Forty-two patients took tiagabine for longer than 6 months. The mean duration of treatment was 22.6 months. The mean monthly seizure frequency was 12.7 at baseline and 8.1 at study termination (36% decrease). The most common adverse events were: tiredness (56%), headache (46%), dizziness (44%), visual symptoms (blurring, difficulty focusing, diplopia) (39%), altered mentation (32%), and tremor (31%). The adverse event profile was comparable among the three groups. Seizure frequency was significantly more improved in the >24 months group. Long-term treatment with tiagabine is well tolerated. The most important predictor of long-term therapy with tiagabine was the degree of seizure improvement. (C) 2000 BEA Trading Ltd.

Original languageEnglish (US)
Pages (from-to)431-435
Number of pages5
JournalSeizure
Volume9
Issue number6
DOIs
StatePublished - 2000
Externally publishedYes

Keywords

  • Epilepsy
  • Long term
  • Safety
  • Tiagabine

ASJC Scopus subject areas

  • Neurology
  • Clinical Neurology

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