Lancet Infect Dis:根除淋巴丝虫病:三药方案or两药方案?

2017-04-14 选题审校:顾歆纯 编辑:吴刚 环球医学编写

专家点评:使用模型研究处方的适宜性是一种较为少见的方式,该研究可能就是由于使用了较为新颖的方式,才发表在高影响因子的柳叶刀子刊上。但是模型模拟出来的方案是否在真实世界中有效仍然有待考证,因此三联治疗方案仅作为参考。

淋巴丝虫病是由丝虫线虫导致的被忽视的热带疾病,在热带和亚热带大部分地区流行。2017年4月,发表在《Lancet Infect Dis》的一项由英国、荷兰、美国等国科学家进行的模型研究,考察了全球根除淋巴丝虫病的三药方案的有效性。

背景:作为一个公共卫生问题,到2020年,全球要根除淋巴丝虫病。目前根除计划所使用的主要方法是每年处方两对具有良好安全性特征的药物。但是,已有研究表明,单剂量的三药联合方案(伊维菌素、枸橼酸乙胺嗪和阿苯达唑)可以完全清除接受该方案治疗的个体的寄生虫的传染性阶段。本研究的目的为使用模型来评估不同流行病学的情况下,大量三药给药方案来加快根除淋巴丝虫病的潜在价值。

方法:研究人员使用了3种不同的传输模型来比较三药方案和目前的两药方案实现微丝蚴血症患病率低于1%所需要的大量药物给药的回合数。

结果:基线淋巴丝虫病患病率低的情况下(5%),与两药方案相比,三药方案可降低1或2轮的实现目标患病率所需要的大量药物给药的回合数。对于基线患病率较高的地区(10~40%),三药方案可显着降低约4或5轮的需要大量药物给药的回合数,但是仅在中至高人口覆盖水平(>65%)的地区,以及对大量药物给药全面不依从性较低的地区如此。

结论:模拟模型显示,如果能实现大量药物给药的高人群覆盖率,并且对大量药物给药的全面不依从性较低,那么三药方案具有加快根除淋巴丝虫病的潜力。将来的工作将根据更多的临床试验数据重新评估这些估计值,并了解对个别国家计划的影响。


原始出处:Irvine MA,et al.Effectiveness of a triple-drug regimen for global elimination of lymphatic filariasis: a modelling study.Lancet Infect Dis. 2017 Apr;17(4):451-458. doi: 10.1016/S1473-3099(16)30467-4. Epub 2016 Dec 22.

(专家点评:使用模型研究处方的适宜性是一种较为少见的方式,该研究可能就是由于使用了较为新颖的方式,才发表在高影响因子的柳叶刀子刊上。但是模型模拟出来的方案是否在真实世界中有效仍然有待考证,因此三联治疗方案仅作为参考。)

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    2017-07-19 风铃830
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    2017-06-07 howi

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