LANCET:HIV感染患者,服用替诺福韦前体药物出现的药物副作用更少

2015-11-02 MedSci 译 MedSci原创

背景:抗逆转录病毒治疗方案中若含有替诺福韦酯片(tenofovir disoproxil fumarate,tenofovir DF)则会导致患者出现肾毒性,并降低机体骨密度。Tenofovir alafenamide是替诺福韦的前体药物,可使机体替诺福韦离子浓度减少90%,从而减少该药物对机体的毒副作用。该研究的目的旨在评估若病人将tenofovir DF更换为Tenofovir alafena

背景:抗逆转录病毒治疗方案中若含有替诺福韦酯片(tenofovir disoproxil fumarate,tenofovir DF)则会导致患者出现肾毒性,并降低机体骨密度。Tenofovir alafenamide是替诺福韦的前体药物,可使机体替诺福韦离子浓度减少90%,从而减少该药物对机体的毒副作用。该研究的目的旨在评估若病人将tenofovir DF更换为Tenofovir alafenamide后,药物的疗效、安全性和耐受性是否不变。 

研究方式:在这项随机、多中心、非盲、非劣效性试验中,我们从19个国家中的168个临床研究站点招募了HIV-1感染病人。参与试验的病人的肾功能由于病毒的抑制(HIV-1 RNA <50 个/mL) 而低下,肾小球滤过率为50mL/min或更多,且服用tenofovir DF的时长超过96周。通过使用计算机序列进行分组,患者被随机分配为2组(2:1),第1组患者每天服用埃替格韦150mg,cobicistat150mg,恩曲他滨200mg,tenofovir alafenamide 10mg,该组为实验组。对照组患者继续服用tenofovir DF,研究时长为96周。 

结果:2013年4月12日至2014年4月3日,研究人员共招募了1443名病人。959名患者被随机分配到实验组,477名患者被分配到对照组。在第48周,实验组中有932名患者(97%)出现了病毒抑制现象,对照组有444名患者(93%)出现了病毒抑制现象。两组不良医疗事件发生率相似,但实验组与药品有关的不良事件发生率更高,有204名患者出现约占21%。(对照组约有76人出现与药品有关的不良事件,占16%)。相比对照组而言,实验组患者脊柱骨密度和肾小球滤过率都显著提高。

结论:研究人员认为,服用Tenofovir alafenamide药物可提高HIV-1感染患者的骨密度和肾小球滤过率,但仍需更进一步的探究和随访调查才可获得确切结果。

原始出处:

Jose R Arribas,et al.Switching from tenofovir disoproxil fumarate to tenofovir alafenamide in antiretroviral regimens for virologically suppressed adults with HIV-1 infection: a randomised, active-controlled, multicentre, open-label, phase 3, non-inferiority study,Anthony Mills.Lancet.Nov 1,2015

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    2016-06-27 howi
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