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最近感染HCV的人群中4周的glecaprevir-pibrentasvir:TARGET3D研究
Marianne Martinello1,2, Sanjay Bhagani3, David Shaw4
1Kirby Institute, UNSW, Sydney, Australia.
JHEP reports : innovation in hepatology
|September 29, 2023
概括
对最近的C型肝炎病毒 (HCV) 感染进行了为期4周的glecaprevir-pibrentasvir治疗,其疗效低于最佳 (78% SVR12). 较低的基线病毒载量改善了结局,但总体而言,较短的治疗持续时间比较长的疗程效果较低.
科学领域:
- 肝病学和病毒性胃肠道学
- 传染病与公共卫生问题
- 药物治疗和临床试验
背景情况:
- 在关键人群中,正在探索短期的型肝炎病毒 (HCV) 治疗以消除HCV.
- 最近的HCV感染,通过特定的血清学和临床标志物在定义的时间范围内定义,是新治疗策略的目标.
研究的目的:
- 评估最近感染HCV的成年人4周glecaprevir-pibrentasvir疗法的疗效.
- 评估持续的病毒学反应 (SVR12) 作为意图治疗 (ITT) 和每协议 (PP) 种群的主要终点.
主要方法:
- 一个单臂,多中心的国际试验,涉及23名最近感染HCV的成年人 (持续时间<12个月).
- 参与者每天接受glecaprevir-pibrentasvir (300毫克-120毫克) 在4周内.
- 在治疗后12周确定了SVR12;初级和再感染病例是基于HCVRNA和临床/血清学数据定义的.
主要成果:
- 78% (ITT) 和82% (PP) 的参与者在12周内实现了持续的病毒学反应 (SVR12).
- 在基线HCVRNA ≤6 log10 IU/ml的参与者中观察到更高的疗效 (100% SVR12).
- 发生了四例病毒学失败 (复发);两例对更长时间的治疗方案进行重复治疗有反应.
结论:
- 4周的glecaprevir-pibrentasvir疗法在较长时间 (≥6周) 的治疗相比,在最近的HCV感染中显示出低于最佳的疗效.
- 基线病毒载量是影响治疗反应的潜在因素.
- 虽然通常是安全的,但4周的疗程的有效性可能会限制其在这个人群中用于HCV消除策略的实用性.
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