Neurology:IVIg可作为轻度至中度AD患者的潜在新疗法?

2017-06-01 贾朝娟 环球医学

2017年5月,发表在《Neurology》的一项研究考察了每2周1次静脉输注免疫球蛋白(IVIg)是否可作为轻度至中度阿尔茨海默病(AD)的潜在新疗法。但最终研究结果令人失望。目的:研究者考察了每2周1次静脉输注免疫球蛋白(IVIg)是否可作为轻度至中度阿尔茨海默病(AD)痴呆的潜在治疗方法。方法:在这项3期、双盲、安慰剂-对照试验中,研究者随机分配390名轻度至中度AD受试者至安慰剂(低剂量白

2017年5月,发表在《Neurology》的一项研究考察了每2周1次静脉输注免疫球蛋白(IVIg)是否可作为轻度至中度阿尔茨海默病(AD)的潜在新疗法。但最终研究结果令人失望。

目的:研究者考察了每2周1次静脉输注免疫球蛋白(IVIg)是否可作为轻度至中度阿尔茨海默病(AD)痴呆的潜在治疗方法。

方法:在这项3期、双盲、安慰剂-对照试验中,研究者随机分配390名轻度至中度AD受试者至安慰剂(低剂量白蛋白)或IVIg(Gammagard Liquid;Baxalta,Bannockbum,IL),剂量是每2周0.2 g/kg或0.4 g/kg,共18个月。主要认知结局是阿尔茨海默病评估量表的11项认知分量表从基线至18个月的变化;主要功能性结局是阿尔茨海默病协作研究-日常生活目录的18个月变化。在整个研究过程中,收集纳入的受试者安全性和耐受性数据,以及序列MRIs和血浆样本。

结果:在2个IVIg剂量检测中,两种主要结局测试均未观察到益处作用。IVIg治疗的受试者中,观察到血浆Aβ42(但不是Aβ42)水平明显下降。安全性数据分析显示IVIg和安慰剂的淀粉样相关成像异常发生率(脑水肿或微出血)没有差异。同接受安慰剂的受试者相比,IVIg治疗的受试者具有较多的全身性反应(发冷、发疹),但呼吸性感染较少。

结论:相对于接受安慰剂的受试者,轻度至中度AD受试者对18个月低剂量人类IVIg治疗具有较好的耐受性,但对认知或功能没有益处。

证据的分级:本研究提供了II级证据,每2周开展1次IVIg输注不会改善18个月的认知或功能,每2周开展1次IVIg输注不会改善轻度至重度AD受试者的认知或功能。

原始出处:

Relkin NR,et al. A phase 3 trial of IV immunoglobulin for Alzheimer disease. Neurology. 2017 May 2.

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    2018-05-15 yinhl1978
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    2017-06-03 kcb074
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    2017-06-03 xre2014
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    2017-06-01 dhzzm

    学习了分享了

    0

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    2017-06-01 天涯183

    非常好的文章,学习了,很受益

    0

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