腹膜炎的腹膜内达普米辛剂量可能不足:蒙特卡洛模拟方法以优化剂量和结果
Taniya Charoensareerat1, Tipvilai Taweepunturat1, Vipavee Rodjun1
1Faculty of Pharmacy, Siam University, Bangkok, Thailand.
Journal of chemotherapy (Florence, Italy)
|September 25, 2024
概括
一个药理动力学模型表明,每天腹腔内达普托米辛 (300毫克) 是有效的治疗白 Staphylococcus aureus 腹腔炎在持续的门诊腹腔透析 (CAPD) 患者. 对于更耐药的感染,可能需要更高的剂量.
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.
背景情况:
- 周围膜炎是患者进行连续门诊周围膜透析 (CAPD) 的严重并发症.
- 达普托米辛是一种潜在的治疗选择,但对CAPD相关腹膜炎的最佳剂量需要进行研究.
研究的目的:
- 开发一种药理动力学模型,以预测CAPD患者的达普素处置.
- 确定达普托米辛的最佳剂量,以达到治疗腹膜炎的药理学目标.
- 为了评估一种特定的达普托米辛治疗方案对Staphylococcus aureus周周炎的疗效.
主要方法:
- 开发了一种具有第一阶淘汰的双分区数学药理动力学模型.
- 对接受CAPD的患者进行了模拟,在6小时内进行了4次交换,每周期使用2升透析剂.
- 药理动力学目标被定义为血AUC/MIC≥666,最佳剂量达到目标的概率≥90%.
主要成果:
- 预计每天300毫克的腹膜内达普托米辛剂量足以治疗由S. aureus引起的腹膜炎,其MIC为0.25毫克/升.
- 对于具有较高最小抑制度的感染,可能需要更高的达普托米辛剂量.
- 药理动力学目标和MIC是确定达普托米辛剂量的重要因素.
结论:
- 每日300毫克的腹腔内达普托米辛疗法可能有效治疗由S. aureus引起的CAPD相关腹腔炎.
- 应根据MIC值和药理动力学目标量身定制daptomycin剂量.
- 需要对这些剂量建议进行临床验证.
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