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Keywords:

  • topiramate;
  • dyskinesia;
  • MPTP;
  • Parkinson's disease

Abstract

Overactive AMPA receptor-mediated transmission may be involved in the pathogenesis of levodopa-induced dyskinesia. The mechanism of action of the anticonvulsant drug topiramate involves attenuation of AMPA receptor-mediated transmission. In this study, the potential antidyskinetic action of topiramate was examined in the MPTP-lesioned marmoset model of Parkinson's disease and levodopa-induced dyskinesia. Topiramate significantly reduced levodopa-induced dyskinesia, without affecting the antiparkinsonian action of levodopa. Topiramate represents an exciting potential novel therapeutic approach to levodopa-induced dyskinesia in patients with Parkinson's disease. © 2004 Movement Disorder Society