评估米卡芬金的人口药动力学模型:对重症患者剂量方案优化的影响
Xiping Li1,2, Xiaoqin Liu2, Juehui Mao2
1Department of Pharmacy, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China.
Pharmaceutics
|September 28, 2024
概括
在重症监护病房 (ICU) 患者中,由于清除率较高,针对侵袭性候群病的米卡宁剂量需要调整. 根据Candida物种和MIC值量身定制米卡芬金剂量对于有效治疗至关重要.
科学领域:
- 药理学 药理学是指药理学的学科.
- 传染性疾病 传染性疾病
- 临界护理医学 临界护理医学
背景情况:
- 米卡丁 (MFG) 是一种关键的类抗真菌药物,用于侵袭性 кандидоз,特别是在危急病患者中.
- 在重症监护室 (ICU) 患者群体中,MFG的药理动力学表现出显著的变化.
- 了解MFG群体的药理动力学对于优化脆弱患者的抗真菌治疗至关重要.
研究的目的:
- 系统地审查米卡金的种群药动力学 (PPK) 模型.
- 为ICU患者提供基于证据的MFG剂量建议.
- 评估各种Candida物种和MFG剂量的目标实现 (PTA) 的概率.
主要方法:
- 对16项研究进行了系统审查,其中包括6项针对成年ICU患者的研究.
- 影响MFG药理动学的关键共变量分析:体型,肝功能和SOFA评分.
- 蒙特卡洛模拟用于在不同的Candida物种和MFG疗法中比较PTA.
主要成果:
- 在成人ICU患者中,米卡金清除率比非ICU患者高30-51%.
- 推的每日剂量:非ICU患者100毫克,ICU患者150毫克,针对Candida albicans (MIC<0.016毫克/升).
- 对Candida tropicalis和Candida glabrata建议使用更高的剂量 (200-250 mg/d);然而,对Candida krusei和Candida parapsilosis的疗效在测试的MIC中仍然是一个问题.
结论:
- 米卡丁的剂量需要在ICU设置中进行个性化,考虑到患者因素和真菌敏感性.
- 目前的剂量策略可能对某些Candida物种不够,需要进一步调查.
- 根据特定的Candida物种及其最小抑制度 (MIC) 量身定制MFG疗法,对于成功的治疗结果至关重要.
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