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Parkinsonism Induced By 1-Methyl-4-Phenyl-1, 2, 3, 6-Tetrahydropyridine (MPTP): Implications for Treatment and the Pathogenesis of Parkinson’s Disease

Published online by Cambridge University Press:  18 September 2015

J. William Langston  and
Phillip Ballard
Phillip Ballard
Affiliation:
Department of Neurology, Santaclara Valley Medical Center, Institute for Medical Research, San Jose, California and the Stanford University School of Medicine, Stanford, California
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Abstract

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Our experience in treating 7 patients with moderate to severe parkinsonism induced by l-methyl-4-phenyl-1, 2, 3, 6-tetrahydropyridine (MPTP) is reviewed. Virtually all of the problems typically encountered with dopamine precursor and agonist therapy in treating Parkinson’s disease have been observed during a one and one half year follow-up period, including “end-of-dose” deterioration (or “wearing off’), “peak-dose” dyskinesias, “on-off” phenomena, and psychiatric complications. These have occurred much earlier than is typically seen when treating the idiopathic disease. This rapid evolution of therapeutic side-effects favors the view that at least some of the complications of dopamine precursor therapy may be related to severity of disease rather than the length of levodopa therapy. Finally, we suggest that the occurrence of this full array of therapeutic complications in patients with MPTP-induced parkinsonism furthers the analogy between this syndrome and Parkinson’s disease.

Type
4. Toxic Environmental Factors Causing Parkinsonism
Information
Canadian Journal of Neurological Sciences , Volume 11 , Issue S1: Current Concepts and Controversies in Parkinson’s Disease , February 1984 , pp. 160 - 165
Copyright
Copyright © Canadian Neurological Sciences Federation 1984

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