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一个下一代基于生理学的动力学模型,用于定量化在体外到体内抽取人体中西斯胺诱导的毒性
Kiri G J Romano Olmedo1, Jiaqi Chen1, Ivonne M C M Rietjens1
1Division of Toxicology, Wageningen University and Research, Stippeneng 4, Wageningen 6708 WE, the Netherlands.
新的生理基动力学 (PBK) 模型改善了对西斯甲毒性的预测. 这些以人为基础的模型包含活跃的分泌物,为药物开发和患者安全提供更好的风险评估.
科学领域:
- 毒理学 毒理学 毒理学
- 药理动力学 药理动力学
- 计算生物学 计算生物学
背景情况:
- *传统的动物毒性测试无法准确预测人类脏的毒性.
- *由于活性吸收转运体,毒化学物质集中在近端管道中.
- *需要基于人类的新方法方法 (NAM) 进行毒性测试.
研究的目的:
- * 开发先进的人体生理基动力学 (PBK) 模型,模拟血和脏中的药物度.
- *使用这些PBK模型预测静脉注射西斯的毒性.
- *使用量化体外到体外抽取 (QIVIVE) 来进行剂量预测.
主要方法:
- * 开发了两个人体PBK模型:一个单间和一个多间的模型.
- *多分区模型包含有机阴离子转运体2 (OCT2) 介导的活性分泌.
- *使用了关于细胞系细胞毒性和QIVIVE的药理学参数的文献数据.
主要成果:
- *复杂的PBK模型,包括OCT2介导的分泌物,最好的预测是30%的患者 (23.165 mg/m2) 的西斯丁脏毒性.
- * 预测是基于近接管中的度-时间曲线 (AUC) 下的面积.
- *使用体外和体内数据计算人类基准剂量水平 (BMDL30).
结论:
- * 结合活性分泌的下一代PBK模型可以更好地预测血度和体内毒剂量.
- *本研究展示了使用基于人体的in silico模型进行高级风险评估的案例研究.
- *改善毒性预测支持更安全的药物开发和个性化医疗方法.
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