在多发性肌痛类风湿症患者中对萨里卢马布的群体药理动力学和暴露-反应分析
Christine Xu1, William S Denney2, Ying Liu1
1Sanofi, Bridgewater, NJ, USA.
Journal of clinical pharmacology
|March 19, 2025
概括
沙利卢马布是一种介素-6受体抑制剂,在多发性肌痛风湿症 (PMR) 和巨细胞动脉炎 (GCA) 患者中显示出可预测的药理动力学. 每两周服用200毫克的剂量得到PMR暴露-反应数据的支持.
科学领域:
- 药理学 药理学是指药理学的学科.
- 类风湿病学 类风湿病学
背景情况:
- 沙利卢马布已批准用于多发性肌痛性风湿症 (PMR).
- 了解沙利卢马布的药理动力学 (PK) 和暴露-反应关系对于优化PMR和巨细胞动脉炎 (GCA) 治疗至关重要.
研究的目的:
- 在PMR和GCA患者中描述沙利卢马布PK.
- 评估影响沙利卢马布PK的因素.
- 评估PK-药理动力学 (PD) 关系,以评估PMR中的疗效和安全终点.
主要方法:
- 使用两项III期研究 (NCT03600805,NCT03600818) 的汇总数据进行人口PK分析.
- 从以前的风湿性关节炎 (RA) 模型重新估计模型.
- 暴露-反应分析将沙利卢马布C_trough与疗效和安全标记联系起来.
主要成果:
- 体重是影响PMR患者PK的主要内在因素,体重较低会增加暴露.
- 在PMR患者中,沙利卢马布清除率低于RA患者,这是由于阿尔伯蛋白高,肌素清除率低,C反应蛋白 (CRP) 低.
- 在PMR,GCA和RA患者中,PK概况重叠;PD效应在C_trough的20-25 mg/L时停滞不前,支持每两周服用200mg的PMR.
结论:
- 在PMR中,沙利卢马布PK受体重和疾病特异性因素 (白蛋白,肌素清除率,CRP) 的影响.
- 每两周200毫克的确定的剂量为PMR患者的目标和,有效性和安全性提供了足够的暴露.
- 个人沙利卢马布暴露在PMR,GCA和RA患者群体中是一致的.
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