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Neurology:儿童失神癫痫患者的第二个单药治疗药物有哪些?

2016-12-18 haofan MedSci原创

作为第二个单药治疗,乙琥胺与丙戊酸,比拉莫三嗪具有更高的治疗失败的治愈比例和更好的疗效;丙戊酸与更多的注意力功能障碍有关。因此,乙琥胺是最佳的对其他药物初始治疗没有反应的儿童失神癫痫患者第二个单药治疗药物。

近日,神经病学领域权威期刊Neurology上发表了一篇来自美国华盛顿国家儿童健康系统的Avital Cnaan博士及其研究团队的文章,旨在确定初始治疗失败的儿童失神癫痫患者的第二个最佳单一治疗药物。

在一项比较乙琥胺、丙戊酸和拉莫三嗪疗效的随机对照试验中,研究人员将该研究处于双盲阶段的儿童失神癫痫患者进行随机分组,分别接受公开分组的第二个单一药物治疗,第二个单药为该研究中其他2个药物之一。主要研究结果为随机分组后在第16周至第20周和第12个月的初始药物治疗失败后经第二个单药治愈的比例。次要研究结果为在这些随访的参与者中发生注意力障碍的百分比。

研究者共纳入208名儿童,随机分组,接受第二个药物治疗。在随访的16周-20周和12个月,初始治疗失败经乙琥胺(63%,57%)和丙戊酸(65%,49%)治愈比例相接近,而且均高于拉莫三嗪(45%,36%,P=0.051,P=0.062)。在这两个时间点,乙琥胺、丙戊酸相比于拉莫三嗪具有优良的控制癫痫发作效果(P<0.0001)。在随访的16周-12周和12个月,相比于乙琥胺或拉莫三嗪比,使用丙戊酸出现注意力功能障碍更为常见。对于每一种药物,第二个单药在初始治疗失败后的治愈比例表明其疗效并不劣效于初始单药治疗失败的治愈比例。

由此可见,作为第二个单药治疗,乙琥胺与丙戊酸,比拉莫三嗪具有更高的初始治疗失败后的治愈比例和更好的疗效;丙戊酸与更多的注意力功能障碍有关。因此,乙琥胺是最佳的对其他药物初始治疗没有反应的儿童失神癫痫患者第二个单药治疗药物。

原始出处:

Avital Cnaan, et al. Second monotherapy in childhood absence epilepsy. Neurology.December 16, 2016.

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    2017-06-10 yinhl1978
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