范科米辛AUC/MIC和沟度与肠球菌或凝结酶阴性葡萄球菌感染早期临床反应的关联:一项前性研究
Chuleephorn Pitayakittiwong1, Pakawadee Sermsappasuk2, Atibordee Meesing3
1Faculty of Pharmaceutical Sciences, Khon Kaen University, Khon Kaen, Thailand.
Journal of clinical pharmacology
|April 19, 2024
概括
曲线下的万科米辛区域/最小抑制度 (AUC/MIC) 预测Enterococcus感染的治疗成功,而低度 (Ctrough) 和AUC预测Enterococcus和凝结酶阴性葡萄球菌感染的毒性.
科学领域:
- 药理动力学和药理动力学
- 传染性疾病 传染性疾病
- 腎臟病學 (nephrology) 是一種醫學專業.
背景情况:
- 范科米辛是一种关键的抗生素,用于治疗由格拉姆阳性细菌引起的感染,特别是Enterococcus spp. 和凝固性阴性葡萄球菌 (CoNS).
- 优化万科米辛剂量至关重要,以最大限度地提高疗效,并最大限度地降低毒性,如毒性.
- 范科米辛暴露 (AUC/MIC,Ctrough) 与临床结果之间的关系,包括治疗反应和损伤,需要进一步阐明特定的病原体.
研究的目的:
- 调查康胺在曲线下面的面积/最小抑制度 (AUC/MIC) 和低谷度 (Ctrough) 与治疗结果之间的关联.
- 评估万科米辛AUC/MIC和Ctrough与Enterococcus spp.患者毒性发病率的相关性. 和 CoNS 感染.
- 确定AUC/MIC和Ctrough的最佳切割值,以预测早期临床反应和毒性.
主要方法:
- 这是一项前性研究,涉及89名患者,他们接受了针对Enterococcus spp.的万科米辛治疗. (n=65) 或 CoNS (n=24) 的感染.
- 测量了万科米辛的峰值和最低度,以计算AUC.
- 分析了Ctrough,AUC/MIC,早期临床反应 (ECR) 和毒性之间的相关性,并确定了截止值.
主要成果:
- 总共有70.8%的患者表现出改善的ECR,11.2%的患者经历了毒性.
- 对于Enterococcus感染,AUC/MIC与ECR相关,但Ctrough没有. 对于 CoNS 感染,Ctrough 与 ECR 的相关性中等.
- 毒性与AUC中度相关,与Ctrough有很强的相关性 (切线为18.9μg/mL). AUC/MIC预测了万科米辛在菌感染中的有效性,但不是CONS感染.
结论:
- 范科米辛AUC/MIC是Enterococcus感染疗效的决定因素,而Ctrough与任何病原体组的临床结果没有直接相关.
- 对于Enterococcus spp.引起的感染,可以使用万科米辛Ctrough和AUC值来预测毒性. 和 CoNS. 这样.
- 治疗药物监测,考虑AUC/MIC和Ctrough,对于优化治疗和预防不良事件至关重要.
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