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Aamantadine and levodopa-induced dyskinesias in PD We performed a double-blind, placebo-controlled, crossover study to assess the effect of amantadine versus placebo on levodopa-induced dyskinesias in Parkinson's disease. We found a 24% reduction in the total dyskinesia score after amantadine administration (p = 0.004). This improvement was achieved without any influence on the severity of "on" period parkinsonism. The results confirm that amantadine reduces levodopa dyskinesias and support the hypothesis that dyskinesias can be reduced by blockade of excitatory pathways in the basal ganglia. Clin Neuropharmacol 2000 Mar-Apr;23(2):82-5 Snow BJ, Macdonald L, Mcauley D, Wallis W Department of Neurology, Auckland Hospital, New Zealand. PMID: 10803797 janet paterson 53 now / 44 dx cd / 43 onset cd / 41 dx pd / 37 onset pd tel: 613 256 8340 url: "http://www.geocities.com/janet313/" email: [log in to unmask] smail: POBox 171 Almonte Ontario K0A 1A0 Canada