Lancet:口服芬戈莫德在原发进展型多发性硬化病人中的作用:3期试验

2016-01-28 MedSci MedSci原创

口服芬戈莫德在渐进性多发性硬化中的作用

尚没有批准用于治疗原发进展型多发性硬化症的药物。Fingolimod,芬戈莫德,口服鞘氨醇1-磷酸盐受体调节剂,对复发恶化的多发性硬化症是有效的,但尚未评估其在原发进展型多发性硬化症中的作用。我们评估了芬戈莫德在原发进展型多发性硬化症中的安全性和有效性。

INFORMS是一个多中心,双盲,安慰剂平行对照研究,患有原发进展型多发性硬化症的患者由18个国家148个中心招募而来,由计算机产生的分组被随机分配(1:1)到口服芬戈莫德或安慰剂组持续36个月到5年时间。第一组,患者在一开始接受芬戈莫德1.25mg每天或安慰剂。然而,在2009年11月19日议定书修正后,患者改为服用芬戈莫德0.5mg每天,安慰剂组继续使用安慰剂。

从那时起,受试者被分配到接受芬戈莫德0.5毫克/天或安慰剂(组2)。关键的入选标准是年龄在25 - 65岁,临床诊断的原发进展型多发性硬化症、1年或以上的病程,和以下两个标准:大脑核磁共振支持诊断;脊髓磁共振成像支持诊断,或脑脊液检查阳性。额外的标准包括疾病持续时间2 - 10年,在发病前两年有客观证据支持残疾的进展。

我们使用新型的主要复合终点,基于基线的变化使用延伸残疾状态量表(EDSS),25'Timed-Walk测试,或挂钩测试来评估至少接受3年治疗的患者在3个月内确定的残疾进展时间。所有患者都随机接受了至少一种治疗药物。药物的有效性分析包括所有第2组患者和那些分配到第一组使用安慰剂的成员。安全性分析包括所有患者。

发现:

970名患者被随机分配在2008年9月3日和2011年8月30日(组1:147人口服芬戈莫德1.25mg每天,和133人服用安慰剂;组2:336人服用芬戈莫德0.5mg每天,354人使用安慰剂)。有效性分析(n=823)由336病人随机分配到使用芬戈莫德0.5mg和487使用安慰剂。基线特征是相似的交叉组合,有代表性的原发进展型多发性硬化人群(48%女性,平均年龄48.5,方差8.4,平均 EDSS 4.67[SD1.03], 87%钆增强病变)。

研究结束,芬戈莫德组有232名患者3个月内确定了残疾进展,安慰剂组有338名,芬戈莫德组kaplan meier估计为77.2%(95% CI 71.87 - 82.51)VS安慰剂组80.3% (73.31–87.25);风险比 0.95, 95% CI 0.80–1.12; p=0.544)。复发性病人的安全性整体一致。淋巴减少症为19例(6%)发生在芬戈莫德组,安慰剂组为0,心动过缓5(1%)VS(< 1%),和一级房室传导阻滞3(1%)VS6(1%)。严重不良事件发生芬戈莫德组84(25%)VS安慰剂组117(24%),包括黄斑水肿6(2%)VS6(1%),基底细胞癌14例(4%)VS9例(2%)。

解释:

芬戈莫德的抗炎效应并没有减慢原发进展型多发性硬化病人疾病的进展。原发进展型多发性硬化患者的治疗策略可能需要多种不同的方法。

原始出处:

Prof Fred Lublin,  Prof David H Miller, et al,Oral fingolimod in primary progressive multiple sclerosis (INFORMS): a phase 3, randomised, double-blind, placebo-controlled trial.Lancet.27 January 2016

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    2016-10-16 howi
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    2016-07-04 jml2009
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    2016-01-29 李继凯

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    2016-01-29 李继凯

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