JAMA:IgA患者从皮质类固醇激素获益?那可不好说

2017-08-07 xuyihan MedSci原创

众所周知指南推荐对IgA肾病和持续性蛋白尿的患者使用皮质类固醇激素,但是其效果仍不确定。为了评估皮质类固醇激素对于进展性IgA肾病患者的有效性和安全性,Jicheng Lv等人进行了一项随机临床试验,并将结果发表在近日的JAMA杂志上。

众所周知指南推荐对IgA肾病和持续性蛋白尿的患者使用皮质类固醇激素,但是其效果仍不确定。为了评估皮质类固醇激素对于进展性IgA肾病患者的有效性和安全性,Jicheng Lv等人进行了一项随机临床试验,并将结果发表在近日的JAMA杂志上。

全球IgA肾病类固醇的疗效评价(TESTING)研究是一项多中心、双盲、随机临床试验,计划招募750例IgA肾病患者(在至少3个月的血管紧张素抑制剂控制血压后蛋白尿>1 g / d和估算的肾小球滤过率[ eGFR ] 为20至120mL/min/1.73 m2 ),在335个主要结果发生之前进行随访。

该研究所招募的患者按1:1的比例随机分为口服甲基强的松龙(0.6-0.8mg/kg/d;最大值,为48mg/d)(n??= 136)或安慰剂(n = 126??)2个月,随后在4到6个月停药。主要复合终点为终末期肾脏疾病、肾功能衰竭所致死亡或eGFR下降40%。预定义的安全性结果是严重感染、新发糖尿病消化道出血、骨折/骨坏死和心血管事件。预计所需中位随访时间为5年。

在262名受试者随机分组(平均年龄,38.6 [SD,11.1 ]年;96名 [ 37% ]女性;eGFR,59.4mL/min/ 1.73m2;尿蛋白排泄,2.40g/d)和2.1年的中位随访时间后,因为严重的不良反应而停止招募患者。在甲基强的松龙组有20例(14.7%)而安慰剂组有4例(3.2%)发生了严重不良事件(P=0.001;风险差异,11.5%[95% CI 4.8-18.2%]),主要是由于过度的严重感染(11 [ 8.1% ]v0;风险差异,8.1%[ 95%CI,3.5% - 13.9% ];P?<?0.001),包括2人死亡。原发肾脏结果在甲基强的松龙组有8例(5.9%),而在安慰剂组有20例(15.9%)(危险比,0.37 [ 95% CI,0.17-0.85);风险差异,10% [ 95% CI,2.5% - 17.9% ];P?=?0.02)。

由上述研究可见在IgA肾病和蛋白尿1 g / d或更大的患者中,口服甲基强的松龙与严重不良事件的风险增加有关,主要是感染。尽管结果与潜在的肾脏获益一致,但由于早期终止试验,无法作出关于治疗获益的明确结论。

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    2017-08-09 yibei
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    2017-08-07 明天会更好!

    谢谢分享,学习了

    0

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    2017-08-07 明天会更好!

    谢谢分享,学习了

    0

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