Acta neurologica Scandinavica · 2015
Memantine and reduced time with dyskinesia in Parkinson's Disease.
СтатьяРандомизированное исследованиеПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод пока не подготовлен
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Wictorin K, Widner H
Аннотация
OBJECTIVES: The partial glutamate antagonist amantadine is currently used in clinical practice, to reduce dyskinesia developing as a side-effect of levodopa treatment in patients suffering from Parkinson's disease (PD). This study was aimed at evaluating the antidyskinetic effect of another glutamate antagonist, memantine.
METHODS AND MATERIALS: We performed a randomized, double-blind and placebo-controlled crossover clinical trial of memantine (20 mg), with a 3-week treatment period, and 15 patients completed the study.
RESULTS: The primary outcome measure, a change in observed dyskinesia ratings, did not reach significance. Seven of the 15 patients reduced the L-dopa-induced dyskinesias by 32%, whereas for three patients, they increased by 33%, and for five patients, they did not change. Data from the self-administered diaries, as a secondary outcome measure, did show a significant 35% reduction in the percentage of time of the day spent with dyskinesia, from 25% (placebo) to 16% (memantine). Memantine was well tolerated, without any serious adverse events, or worsening in the parkinsonian motor score.
CONCLUSION: The results suggest that memantine may be a useful antidyskinetic drug, and a larger clinical study is warranted.
METHODS AND MATERIALS: We performed a randomized, double-blind and placebo-controlled crossover clinical trial of memantine (20 mg), with a 3-week treatment period, and 15 patients completed the study.
RESULTS: The primary outcome measure, a change in observed dyskinesia ratings, did not reach significance. Seven of the 15 patients reduced the L-dopa-induced dyskinesias by 32%, whereas for three patients, they increased by 33%, and for five patients, they did not change. Data from the self-administered diaries, as a secondary outcome measure, did show a significant 35% reduction in the percentage of time of the day spent with dyskinesia, from 25% (placebo) to 16% (memantine). Memantine was well tolerated, without any serious adverse events, or worsening in the parkinsonian motor score.
CONCLUSION: The results suggest that memantine may be a useful antidyskinetic drug, and a larger clinical study is warranted.