Low-dose clozapine improves dyskinesias in Parkinson's disease
Related Experiment Video
Updated: Nov 2, 2026

Rating L-DOPA-Induced Dyskinesias in the Unilaterally 6-OHDA-Lesioned Rat Model of Parkinson's Disease
Published on: October 4, 2021
F Durif1, M Vidailhet, F Assal
1Department of Neurology, Fontmaure Hospital, Clermont-Ferrand, INSERM U 289, Paris, France.
Abstract:
The severity of parkinsonian motor disability and dyskinesias was evaluated in seven levodopa-responsive patients with Parkinson's disease after an acute challenge with the mixed dopamine agonist apomorphine, before and after low-dose clozapine (50 mg) for 18 +/- 2 days. There was a significant 59% improvement (p < 0.05) of apomorphine-induced dyskinesias without aggravation of parkinsonian motor disability following clozapine treatment. The results suggest that low-dose clozapine, already shown to improve psychotic symptoms, may help to reduce severe levodopa-induced dyskinesias in parkinsonian patients.
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