对暴露于HIV的早产婴儿的拉米武丁剂量:一个人口药理动力学建模和仿真研究
Adrie Bekker1, Edmund V Capparelli2, Mark Mirochnick3
1Family Centre for Research with Ubuntu, Department of Pediatrics and Child Health, Stellenbosch University, Cape Town, South Africa.
The Journal of antimicrobial chemotherapy
|August 2, 2024
概括
这项研究建议早产婴儿每天服用两次拉米武丁的剂量策略. 基于模型的方法旨在根据妊娠年龄优化早产婴儿的药物暴露.
科学领域:
- 药理动力学 药理动力学
- 新生儿药理学 新生儿药理学
- 儿科药物剂量 儿科药物剂量
背景情况:
- 拉米武丁用于婴儿,但对早产新生儿的最佳剂量需要进一步调查.
- 准确的剂量至关重要,以确保治疗疗效,并最大限度地减少在脆弱的早产人口中毒性.
研究的目的:
- 建立一个实用的,每天两次给药方案,为早产婴儿的拉米武丁.
- 定义基于妊娠年龄的剂量范围,以实现米丁的目标暴露.
主要方法:
- 来自154名婴儿的拉米武丁数据的群体药理动力学建模.
- 模拟各种剂量策略,按出生时的妊娠年龄 (GA) 分层.
- 在2.95至13.25μg·h/mL的范围内,准拉米武丁曲线下面的区域 (AUC0-12).
主要成果:
- 一个单间模型描述了拉米武丁度,其清除因体重和产后年龄而变化.
- 模拟表明GA<30周时每天两次服用2mg/kg,每天两次服用2mg/kg4周,然后每天两次服用4mg/kg30-37周时.
- 这些剂量旨在维持早产婴儿的治疗性 lamivudine 暴露.
结论:
- 模型预测支持一个务实的,每天两次,早产婴儿的妊娠年龄带的拉米武丁剂量策略.
- 建议对拟议的剂量策略进行临床验证.
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