Non-subtype-selective opioid receptor antagonism in treatment of levodopa-induced motor complications in Parkinson's disease

被引:53
作者
Fox, S
Silverdale, M
Kellett, M
Davies, R
Steiger, M
Fletcher, N
Crossman, A
Brotchie, J
机构
[1] Walton Ctr Neurol & Neurosurg, Liverpool, Merseyside, England
[2] Univ Manchester, Manchester Movement Disorders Lab, Manchester, Lancs, England
关键词
Parkinson's disease; dyskinesia; motor flucations; opioids; naloxone;
D O I
10.1002/mds.10693
中图分类号
R74 [神经病学与精神病学];
学科分类号
摘要
Opioid peptide transmission is enhanced in the striatum of animal models and Parkinson's disease (PD) patients with levodopa-induced motor complications. Opioid receptor antagonists reduce levodopa-induced dyskinesia in primate models of PD; however, clinical trials to date have been inconclusive. A double-blind, placebo controlled, crossover design study in 14 patients with PD experiencing motor fluctuations was carried out, using the non-subtype-selective opioid receptor antagonist naloxone. Naloxone did not reduce levodopa-induced dyskinesia. The duration of action of levodopa was increased significantly by 17.5%. Non-subtype-selective opioid receptor antagonism may prove useful in the treatment of levodopa-related wearing-off in PD but not in dyskinesia. (C) 2003 Movement Disorder Society.
引用
收藏
页码:554 / 560
页数:7
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