Lancet Neurol:卡巴拉汀能改善帕金森患者步态变化,降低跌倒可能性(ReSPonD)

2016-01-14 Mechront 译 MedSci原创

跌倒是帕金森病的一种常见和严重的并发症,与潜在的胆碱能缺乏所导致的步态和认知功能障碍有关。步态功能障碍会增加跌倒的可能性。在ReSPonD试验中研究者将评估,使用乙酰胆碱酯酶抑制剂卡巴拉汀能否改善胆碱能缺乏,减少步态变化。该随机、双盲、安慰剂对照的2期试验纳入的帕金森患者符合以下条件:纳入研究前一年至少跌倒一次;没有帮助的情况下可行走18米;先前没有使用过乙酰胆碱酯酶抑制剂;不伴有老年痴呆症。研究

跌倒是帕金森病的一种常见和严重的并发症,与潜在的胆碱能缺乏所导致的步态和认知功能障碍有关。步态功能障碍会增加跌倒的可能性。在ReSPonD试验中研究者将评估,使用乙酰胆碱酯酶抑制剂卡巴拉汀能否改善胆碱能缺乏,减少步态变化。

该随机、双盲、安慰剂对照的2期试验纳入的帕金森患者符合以下条件:纳入研究前一年至少跌倒一次;没有帮助的情况下可行走18米;先前没有使用过乙酰胆碱酯酶抑制剂;不伴有老年痴呆症。研究者按1:1将参与者随机分为卡巴拉汀组和安慰剂胶囊组,两组均是每天两次服药。卡巴拉汀组的药物剂量从最开始的3mg/天逐渐增加到12mg/天(超过12周)。以32周时两组患者步态变化差异(校正基线时的年龄、认知、步态变化、跌倒次数等)作为主要结局指标。研究者测量了以下三种情况下患者行走18米的步态变化:正常行走;边走边命名单一相同字母开头的词;边走边命名两个交替字母开头的词。通过ITT进行分析,并派出了退出、死亡、未能参与32周评估的患者。

该研究共纳入了130名患者,65名使用卡巴拉汀,65名使用安慰剂。32周评估疗效时,卡巴拉汀组有55名患者完成评估,该数值在对照组为59名。研究数据显示,正常行走时卡巴拉汀组的患者步态变化得到改善 (几何平均比 0·72, 95% CI 0·58–0·88; p=0·002) ,边走边命名单一相同字母开头的词时卡巴拉汀组的患者步态变化得到改善 (0·79; 0·62–0·99; p=0·045)。边走边命名两个交替字母开头的词时, 实验组和对照组患者步态变化无差异(0·81, 0·60–1·09; p=0·17)。胃肠道副作用在卡巴拉汀组比安慰剂组更常见 (p<0·0001);20名(31%)的卡巴拉汀组患者和3名(5%)的对照组患者出现了恶心;15名(17%)的卡巴拉汀组患者和3名(5%)的对照组患者出现了呕吐。

研究结果表明,卡巴拉汀可改善帕金森患者步态变化,减少跌倒可能性。不过还需要3期试验去验证本次结果,以及评估卡巴拉汀的经济效应。

原始出处:

Rivastigmine for gait stability in patients with Parkinson’s disease (ReSPonD): a randomised, double-blind, placebo-controlled, phase 2 trial, Henderson E J et al., Lancet Neurology, doi: 10.1016/S1474-4422(15)00389-0, published 12 January 2016.


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    2016-06-21 howi
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    2016-11-02 yinhl1978
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    2016-10-11 xxxx1061