基于人群药动力学研究的交互剂量优化器,用于指导中国骨髓瘤患者的甲铁酸剂量
Yanjie Zhang1, Xiemin Qi1, Xiaohui Huang1
1Department of Clinical Pharmacy, State Key Laboratory of Analytical Chemistry for Life Science and Jiangsu Key Laboratory of Molecular Medicine, Jinling Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, 210002, China.
Cancer chemotherapy and pharmacology
|August 24, 2024
概括
这项研究开发了一个人群的药理动力学模型和一个剂量优化器,用于高剂量甲状腺酸盐 (HD-MTX) 在骨髓瘤患者. 该工具通过估计个体的药理动力学参数来帮助个性化HD-MTX治疗,以改善治疗结果.
科学领域:
- 药理学 药理学是指药理学的学科.
- 在瘤学瘤学.
- 生物统计学 生物统计学
背景情况:
- 骨髓瘤是一种罕见的青少年癌症,对高剂量甲状腺素 (HD-MTX) 的治疗反应有变化.
- 药物动力学变化显著影响HD-MTX的疗效,需要个性化剂量策略.
- 对于中国骨髓瘤患者,存在有限的群体药动力学 (popPK) 模型.
研究的目的:
- 为中国骨髓瘤患者开发HD-MTX popPK模型.
- 为个性化HD-MTX疗法创建一个基于模型的个人剂量优化器.
- 为了解决HD-MTX治疗骨髓瘤的药理动力学变异性.
主要方法:
- 从57名骨髓瘤患者收集了680个MTX血清度.
- 估计的popPK模型使用NONMEM与一级条件估计.
- 使用R Shiny开发并验证了一种用临床验证套件的剂量优化工具.
主要成果:
- 身体表面积 (BSA) 影响了分布;肌素清除率 (CrCL) 和NSAID同时使用影响了清除率.
- 同时服用NSAID与72小时MTX度更高有关 (p=0.019).
- 剂量优化器在预测MTX AUC (r=0.821,p<0.001) 中表现出很高的一致性.
结论:
- 开发的剂量优化器可以估计单个PK参数.
- 个性化的MTX治疗优化对于骨髓瘤患者来说是可行的.
- 该工具有助于根据个体患者的药理动力学量身定制HD-MTX治疗.
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