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Updated: Jul 15, 2025

Chronic, Acute, and Reactivated HIV Infection in Humanized Immunodeficient Mouse Models

Chronic, Acute, and Reactivated HIV Infection in Humanized Immunodeficient Mouse Models

Published on: December 3, 2019

在治疗原发性HIV-1感染时,HIV-DNA在治疗期间减少,使用三种不同的药物治疗方案:意大利急性HIV感染网络 (INACTION) 临床试验

Elena Bruzzesi¹, Arianna Gabrieli², Davide Bernasconi³

¹Vita-Salute San Raffaele University, Milan, Italy.

Journal of medical virology

|September 27, 2023

概括

在原发性HIV-1感染 (PHI) 期间开始抗逆转录病毒治疗 (ART) 减少了艾滋病毒感染者 (PLWH) 的HIV-DNA水平. 这种降低与CD4+计数的改善有关,不管使用的是哪种ART疗法.

科学领域:

病毒学病毒学
免疫学免疫学免疫学
传染性疾病传染性疾病

背景情况:

假设在原发性HIV-1感染 (PHI) 期间早期启动抗逆转录病毒疗法 (ART),以限制病毒储库的建立.
了解不同ART疗法在PHI期间对HIV-DNA负载的影响对于优化治疗策略至关重要.

研究的目的:

评估三种不同的ART疗法对HIV-DNA水平的影响,这些疗法在PHI期间启动ART的HIV感染者 (PLWH) 中.
为了评估CD4+细胞计数,CD4+/CD8+比率和不同治疗臂的病毒载量抑制的变化.

主要方法:

一项随机的,开放的,多中心的研究,涉及PHI中的PLWH.
参与者被分配到三种ART疗法之一: (A) TAF/FTC/darunavir/cobicistat, (B) TAF/FTC/dolutegravir,或 (C) 一种强化四种药物疗法 (TAF/FTC/dolutegravir/darunavir/cobicistat).
使用滴滴数字PCR量化HIV-DNA负载,主要终点在12周和48周评估.

主要成果:

该研究观察到,在PHI期间治疗的PLWH中,从基线到48周的HIV-DNA负载下降.
CD4+细胞数量的增加与HIV-DNA的减少有关,独立于特定的ART治疗方案.
在48周 (86.4%) 之前,显著比例的参与者实现了病毒载荷抑制.

结论:

在PHI期间使用ART治疗导致HIV-DNA储存量的减少.
增加CD4+细胞数量是与减少HIV-DNA相关的关键因素,无论ART治疗方案如何.
虽然这项研究受到早期中止的限制,但研究结果表明,早期启动ART对管理HIV储存有利.

关键词:

艾滋病病毒艾滋病病毒艾滋病病毒艾滋病毒-DNA的DNA.抗逆转录病毒药物治疗初级艾滋病毒感染初级艾滋病毒感染

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