JAMA:成人复发的性生殖器HSV-2感染,选择pritelivir还是伐昔洛韦?

2016-12-21 MedSci MedSci原创

已知目前疱疹病毒感染的治疗依赖于核苷类似物。Pritelivir是耐受性良好的新型疱疹病毒(HSV)解旋酶引物酶抑制剂,可降低生殖器脱落和病损。本研究旨在对比pritelivir与伐昔洛韦治疗生殖器HSV-2感染的疗效。本项2期、随机、双盲、交叉临床试验在美国4个城市的临床研究中心(2012年10月至2013年7月)进行,对比每日100毫克pritelivir与每日500毫克伐昔洛韦的效果。计划样

已知目前疱疹病毒感染的治疗依赖于核苷类似物。Pritelivir是耐受性良好的新型疱疹病毒(HSV)解旋酶引物酶抑制剂,可降低生殖器脱落和病损。本研究旨在对比pritelivir与伐昔洛韦治疗生殖器HSV-2感染的疗效。

本项2期、随机、双盲、交叉临床试验在美国4个城市的临床研究中心(2012年10月至2013年7月)进行,对比每日100毫克pritelivir与每日500毫克伐昔洛韦的效果。计划样本量为98名成年人,允许研究治疗之间病毒脱落的检测减少率为50%。4-9年生殖器HSV-2感染复发的健康成人纳入研究。随机分配91名参与者接受pritelivir ,46名接受伐昔洛韦。

参与者先用药28天,在第二次服用28天药物之前先经历28天的洗脱期。整个治疗过程中,每日擦拭4次参与者的生殖器收集样本以用于HSV聚合酶链反应检测。主要终点为与伐昔洛韦相比,接受pritelivir治疗的参与者生殖器HSV脱落。次要终点包括HSV阳性的次数,以及生殖器病损和脱落的频率。

结果,91名随机参与者(平均年龄,48岁,57名女性[ 63% ])中56名完成了研究。意向性治疗分析中,pritelivir治疗组,2.4%的擦拭样本检测到HSV脱落(173/7276),伐昔洛韦治疗组为5.3%(392/7453)(相对危险[RR],42;95% CI,0.21-0.82;P =0.01)。

擦拭样本HSV阳性的样本中,pritelivir治疗组,HSV的平均数量为3.2 log10拷贝/ml,而伐昔洛韦治疗组为3.7 log10拷贝/ml(差异,0.1;95% CI,−0.6~0.5;P =  0.83)。Pritelivir治疗组和伐昔洛韦组生殖器病变存在的天数比分别为1.9%和3.9%(RR,0.40;95% CI,0.17-0.96;P = 0.04)。两组之间病损的脱落情况并无差异,pritelivir组和伐昔洛韦组的脱落速度分别为1.3每人月和1.6每人月(RR,0.80;95% CI,0.52-1.22;P =  0.29)。Pritelivir组和伐昔洛韦组治疗中不良事件的发生率分别为62.3%和69.2%。

总而言之,对于对于生殖器HSV-2经常复发感染的成人来说,治疗28天时pritelivir较伐昔洛韦HSV擦拭样本阳性的比例低。仍需进一步的研究以评估长期治疗的疗效和安全性。

原始出处:

Anna Wald, et al., Effect of Pritelivir Compared With Valacyclovir on Genital HSV-2 Shedding in Patients With Frequent RecurrencesA Randomized Clinical Trial. JAMA. 2016.


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    2022-12-27 ms6000001411380643 来自广东省

    希望国家重视!单纯疱疹要害死人,加快根治药物研究

    0

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    2017-07-19 gracezdd
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