基于模型的比较,对固定剂量杜洛特格拉维尔治疗方案的剂量减少策略进行了比较
Laura Dickinson1, Laura Else1, Willem D F Venter2
1Centre for Experimental Therapeutics, University of Liverpool, Liverpool, UK.
The Journal of antimicrobial chemotherapy
|December 12, 2025
概括
降低诺福维尔迪索普罗克西尔-胺-多卢特格拉维尔 (TLD) 的剂量可以在短缺期间保持供应. 建模表明剂量降低策略,如4天,休息3天 (4:3) 显著降低低治疗目标以下的多卢特格拉维尔水平.
科学领域:
- 药理动力学和药理动力学
- 优化抗逆转录病毒疗法优化
- 医学中的数学建模.
背景情况:
- 迫在眉的抗逆转录病毒药物短缺需要节约供应并最大限度地提高治疗疗效.
- 降低固定剂量的特诺福维尔-迪索普罗-拉米武丁-多卢特格拉维尔 (TLD) 的剂量是一种潜在的策略.
研究的目的:
- 在各种剂量降低策略下建模杜洛特格拉维尔的药理学概况.
- 评估TLD剂量减少在保持治疗度的同时节约供应的潜力.
主要方法:
- 来自健康志愿者的杜洛特格拉维尔度-时间数据的非线性混合效应建模.
- 模拟1000个标准和减少TLD剂量方案的药理动力学概况.
- 对不同剂量表的EC90 (320 ng/mL) 以上和以下时间进行比较.
主要成果:
- 与每日剂量相比,模拟剂量降低方案 (替代日, 4:3, 5:2) 显示了显著较低的多卢特格拉维尔最低度.
- 4天,3天休息 (4:3) 策略导致最长的预测时间低于EC90 (中位数~2天).
- 标准和半剂量每日TLD疗法在EC90 (88.7%-99.8%) 以上的时间保持了很高的比例.
结论:
- 药物动力学建模可以为TLD剂量减少方案的设计提供信息.
- 模型可以通过管理药物度来帮助限制抗逆转录病毒耐药性出现的机会.
- 临床研究对于证实TLD剂量降低策略的安全性和有效性至关重要.
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