在儿科中使用塞福拉的生理学基础的药理动力学建模
Qiushi Wang1, Yunan Yan1, Sanwang Li2,3
1Division of Biopharmaceutics and Pharmacokinetics, Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, China.
在儿童中开发了一种新的基于生理学的药理动力学 (PBPK) 模型. 这种模型有助于优化对儿科细菌脑膜炎和败血症治疗的塞福拉剂量.
科学领域:
- 药理学 药理学是指药理学的学科.
- 儿科治疗学 儿科治疗学
- 计算建模 计算建模
背景情况:
- 塞福拉经常被用于治疗儿科细菌性脑膜炎和败血症.
- 对于儿科患者群体中使用塞福拉的药理动力学数据有限.
- 准确的剂量对于脆弱儿童的疗效和安全至关重要.
研究的目的:
- 为儿童患者开发一种基于生理学的药理动力学 (PBPK) 模型.
- 为了预测儿童对塞福拉的暴露,以指导合理的剂量建议.
- 评估当前剂量方案在不同儿科年龄组的适用性.
主要方法:
- 一个 cefoperazone PBPK 模型最初是使用 Simcyp V22 模拟器为成年人构建的.
- 成人模型通过结合年龄相关的生理参数来适应儿科使用.
- 经过验证的儿科PBPK模型被用于评估虚拟儿科群体中常见的塞福拉剂量方案.
主要成果:
- 该PBPK模型准确地预测了成人和儿童 (包括新生儿) 中的塞福拉的药理动力学.
- 消除的途径包括胆汁分泌,质过和OAT3介导的分泌.
- 模拟剂量方案显示,在新生儿和老年儿童中,特定最小抑制度 (MIC) 的有效目标达到.
结论:
- 一个强大的儿科PBPK模型已经成功开发了塞福拉.
- 这种PBPK模型为在儿童中建立基于证据的塞福拉剂量策略提供了有价值的工具.
- 该模型支持针对严重儿科感染的塞福拉治疗的优化.
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