在患有严重烧伤的患者中,聚米辛B的群体药理动力学和剂量优化
Jun Yang1, Fang Liu2, Yunpei Zhao1
1Department of Pharmacy, The First Affiliated Hospital of Army Medical University, Chongqing, China.
Burns : journal of the International Society for Burn Injuries
|October 9, 2025
概括
这项研究为重度烧伤患者开发了一种聚胺B (PMB) 群体药动力学 (PopPK) 模型. 对于MIC ≤ 0.5 mg/L,75 mg q12h疗法是有效的,建议对BUN进行监测.
科学领域:
- 药理动力学 药理动力学
- 药理动力学是什么 药理动力学
- 关键护理医学 关键护理医学
背景情况:
- 在严重烧伤患者中,关于多素B (PMB) 药理动力学 (PK) 的数据有限.
- 开发一个人群PK (PopPK) 模型对于优化该人群中PMB剂量至关重要.
研究的目的:
- 在严重烧伤患者中开发PMB的PopPK模型.
- 确定影响PMB PK参数的因素.
- 优化PMB剂量方案,以改善治疗结果.
主要方法:
- 用超高性能液体染色学-并联质谱法测量了血PMB度.
- 非线性混合效应建模 (NONMEM) 用于PopPK分析.
- 使用蒙特卡洛模拟来确定最佳剂量方案和目标实现概率 (PTA).
主要成果:
- 一个带有第一阶淘汰的单间模型描述了PMB PK.
- 血液尿素 (BUN) 与PMB清除负相关.
- 75毫克每12小时的治疗方案实现了MIC ≤0.5毫克/升的>90%PTA;在高BUN患者中,MIC 1毫克/升需要100毫克每12小时;
结论:
- 该研究为严重烧伤患者的PMB剂量提供了宝贵的PK见解.
- 75毫克每12小时治疗方案对于MIC ≤ 0.5毫克/升是有效的.
- 建议对个性化PMB剂量进行定期的BUN和治疗药物监测.
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