Lancet Infect Dis:增加氯喹剂量或添加伯氨喹啉能减少间日疟复发?

2018-10-09 王淳 环球医学

2018年9月,发表在《Lancet Infect Dis》的一项由澳大利亚、英国、埃塞尔比亚、玻利维亚等国学者进行的系统评价和Meta分析,考察了氯喹剂量和添加伯氨喹啉对间日疟复发的影响。

2018年9月,发表在《Lancet Infect Dis》的一项由澳大利亚、英国、埃塞尔比亚、玻利维亚等国学者进行的系统评价和Meta分析,考察了氯喹剂量和添加伯氨喹啉对间日疟复发的影响。

背景:尽管治疗失败的报道越来越多,但氯喹仍然是间日疟的治疗基石。研究人员进行了一项系统评价和Meta分析,旨在考察不同情况下,氯喹剂量和添加伯氨喹啉对间日疟复发风险的影响。

方法:对Medline、科学网、Embase、Cochrane系统评价数据库进行了系统评价,研究对象为2000年1月1日~2017年3月22日发表的间日疟临床试验。主要研究者受邀分享个体患者数据,使用标准化方法进行汇总。具有研究地区随机效应的Cox回归分析用于考察第7天~第42天氯喹剂量和伯氨喹啉对复发率的影响(首要结局)。审查协议注册在PROSPERO,编号为CRD42016053310。

结果:鉴别出的134项氯喹研究中,纳入了37项研究(来自于17个国家)和5240名患者。2990名患者接受氯喹单药治疗,其中1041人(34.8%)的剂量低于目标的25mg/kg。第42天的复发风险为32.4%(95%置信区间[CI],29.8~35.1)。控制了混杂因素后,氯喹剂量每增加5mg/kg,可降低总体复发率(调整风险比[HR],0.82;95% CI,0.69~0.97;P=0.021)和小于5岁的儿童的复发率(0.59;0.41~0.86;P=0.0058)。第42天时,添加伯氨喹啉可将复发率降至4.9%(95%CI,3.1~7.7),低于氯喹单药治疗(调整HR,0.10;0.05~0.17;P<0.0001)。

结论:在间日疟的治疗中,氯喹剂量常不足。当未给予伯氨喹啉时,对小于5岁的儿童推荐剂量增加至30mg/kg,可大幅降低早期复发风险。伯氨喹啉根治在预防早期复发上高度有效,也可改善氯喹耐药间日疟的血液消除效果。

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    2019-05-01 howi
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