隐性变量间接响应模拟Cendakimab暴露-响应的纵向性消化症天使用一个结合的统一-二项式概率框架
Shengnan Du1, Jessica Wojciechowski2, Peijin Zhang1
1Bristol-Myers Squibb, Princeton, New Jersey, USA.
CPT: pharmacometrics & systems pharmacology
|January 23, 2026
概括
仙达基马布有效地减少了埃索诺菲尔性食管炎患者的消化不良日 (DD). 两种每周和切换到每隔一周的剂量都显示出与安慰剂相比,在48周内显著改善.
科学领域:
- 制药指标 (Pharmacometrics) 是一个指标.
- 临床药理学 临床药理学
- 胃肠病学 胃肠病学
背景情况:
- 乙性食道炎 (EoE) 是一种慢性炎症性疾病,其特征是失消.
- 了解暴露-反应关系对于优化治疗策略至关重要.
研究的目的:
- 在EoE患者中,描述仙达基马布在失消症日 (DD) 的暴露-反应 (E-R) 关系.
- 评估不同仙达基马布剂量方案的疗效.
主要方法:
- 使用了EE-001研究 (N=427) 的数据,该研究涉及埃索诺菲尔性食道炎.
- 使用隐性变量间接响应 (IDR) 模型与联合均二项式 (CUB) 分布来分析DD.
- 纳入的共同变量,如类固醇不充分反应/不耐受 (类固醇IR/I) 和基线DD.
主要成果:
- 仙达基马布暴露与减少的DD有关.
- 估计的EC50和EC90值表明了一个的Emax曲线.
- 模拟显示360毫克QW和QW-to-Q2W疗法在48周减少了DD~1.65和~1.36天与安慰剂相比.
- 在人口统计学方面观察到一致的反应;类固醇IR / I和基线DD影响了大小,但不是剂量.
结论:
- 维护剂量QW-Q2W对EoE中的sendakimab是有效的.
- 隐性变量IDR模型适合在E-R分析中分析边界,离散的纵向终点.
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