基于模型的精确剂量定制,用于在斑块性牛皮中个性化使用乌斯特基努马布治疗
Karine Rodríguez-Fernández1,2, Javier Zarzoso-Foj1,2, Marina Saez-Bello3
1Department of Pharmacy and Pharmaceutical Technology and Parasitology, University of Valencia, 46100 Valencia, Spain.
Pharmaceutics
|October 26, 2024
概括
基于模型的精确剂量 (MIPD) 可以针对牛皮个性化使用乌斯特基努马布 (UTK). 这种方法发现,许多患者需要调整UTK剂量以获得更好的治疗结果.
科学领域:
- 药理学 药理学是指药理学的学科.
- 皮肤病学 皮肤病学
- 生物统计学 生物统计学
背景情况:
- 基于模型的精确剂量 (MIPD) 策略,利用人群的药理动力学/药理动力学 (PK/PD) 模型,为改善像牛皮这样的炎症性疾病的管理提供了潜力.
- 受实验数据影响的单个PK/PD参数估计的不确定性影响了MIPD中的临床剂量选择.
研究的目的:
- 开发和评估一种方法来个性化乌斯特基努马布 (UTK) 剂量策略,用于西班牙中度至重度慢性斑块性牛皮的患者.
- 将参数不确定性纳入人群PK/PD模型,以进行个性化剂量决策.
主要方法:
- 利用间接响应模型将UTK血清度与牛皮区域和严重性指数 (PASI) 分数联系起来.
- 使用最大抑制药物效应 (Imax) 模型,估计了第一阶段缓解率常数 (kout = 0.016 d-1).
- 将MIPD方法应用于23名西班牙牛皮患者的队列,考虑到参数不确定性.
主要成果:
- 根据MIPD的方法,预测有35%的患者会从优化UTK剂量方案中受益.
- 预计与标准临床实践相比,26%的患者需要强化剂量方案.
- PK/PD模型成功地描述了UTK水平和牛皮严重程度之间的关系.
结论:
- 在 psoriasis 管理中,MIPD 是个性化 ustekinumab (UTK) 剂量的宝贵工具.
- 这种方法可以通过量身定制剂量方案来优化实现目标临床结果的概率.
- 个性化剂量策略对于提高牛皮患者治疗疗效至关重要.
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