一种基于定量模型的方法,用于在患有子宫血清癌的患者中选择阿达沃谢蒂布的剂量
Shankar Lanke1, Kowser Miah1, Damilola Olabode1
1Clinical and Quantitative Pharmacology, BioPharmaceuticals R&D, AstraZeneca, Waltham, Massachusetts, USA.
British journal of clinical pharmacology
|November 10, 2025
概括
减少阿达沃谢蒂布剂量可以最大限度地降低子宫血清癌患者中性质衰竭的风险. 一个模型将基线肌素清除量确定为严重中性质衰竭的关键因素,这表明剂量调整可以提高耐受性.
科学领域:
- 在瘤学瘤学.
- 药理学 药理学是指药理学的学科.
- 临床试验分析
背景情况:
- 作为WEE1抑制剂的Adavosertib在治疗子宫血清癌方面表现有前途.
- 在ADAGIO试验中,推的300毫克剂量导致许多患者出现显著的中性质减退和剂量减少.
- 耐受性问题需要探索剂量优化策略.
研究的目的:
- 进行基于模型的Adavosertib单一治疗的益处风险分析.
- 调查阿达沃谢蒂布暴露与不良事件,特别是中性衰竭之间的关系.
- 评估剂量降低对安全性和疗效的影响.
主要方法:
- 使用AstraZeneca赞助的单一治疗研究的汇总数据进行了基于模型的益处风险分析.
- 进行了暴露安全和初步暴露有效性分析.
- 评估了阿达沃谢蒂布暴露,不良事件和基线肌素清除之间的相关性.
主要成果:
- 发现阿达沃谢蒂布暴露与发展中性质衰竭的概率之间存在很强的相关性.
- 基线肌素清除值 (<50毫升/分钟) 是严重中性衰竭的独立预测因子.
- 将剂量从300毫克降低到250毫克,将预测的中性衰竭概率降低了55%,但没有影响疗效.
结论:
- 鉴定了中性质衰竭的危险因素,有助于决定阿达沃谢蒂布的剂量.
- 一个250毫克的单一治疗方案可以有效地管理血液学毒性.
- 定量建模支持剂量降低,以最大限度地降低与阿达沃谢蒂布相关的风险.
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