在接受机械循环支持装置植入的成年患者内静脉注射弗卢科纳的药理动力学分析
Kelly A Cairns1,2, Maria Patricia Hernandez-Mitre3, Trisha N Peel4
1Pharmacy Department, Alfred Health, 55 Commercial Road, Melbourne, VIC, 3004, Australia. k.cairns@alfred.org.au.
Clinical pharmacokinetics
|December 22, 2025
概括
对于那些有机械循环支持 (MCS) 装置的患者来说,标准的可纳剂量是不够的. 需要更高的剂量才能在这个人群中实现针对Candida感染的治疗目标.
科学领域:
- 药理学和传染病的研究
- 临界护理医学 临界护理医学
- 医疗设备技术 医疗设备技术
背景情况:
- 对于在使用机械循环支持 (MCS) 装置的患者中使用可纳的药理动力学数据有限.
- 达到治疗目标的最佳剂量策略对于这个患者群体还没有很好地建立.
研究的目的:
- 在接受MCS设备植入的患者中描述可纳的药理动力学.
- 确定有效的可纳剂量方案,以实现药理动力学/药理动力学目标.
主要方法:
- 展望性研究涉及成年人接受静脉注射弗卢科纳 (每天200毫克或400毫克) 在MCS植入后.
- 在外科手术前和第3天和第5天测量了可纳的度.
- 用于估计目标暴露 (AUC0-24/MIC) 的人口药理动力学建模和蒙特卡洛模拟.
主要成果:
- 一个包含脏替代疗法 (RRT) 清除的两部分模型最好地描述了可纳的药理动力学.
- 模拟表明,800毫克或12毫克/千克的剂量是必要的,以达到针对Candida的目标,MIC高达4毫克/升 (预防) 和2毫克/升 (治疗).
结论:
- 目前的标准静脉注射弗卢科纳剂量 (每天200毫克) 对于使用MCS设备的患者来说是不够的.
- 需要更高的富可纳剂量来有效治疗或预防这种脆弱患者群体的Candida感染.
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