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静止素使用和晚期前列腺癌的结果:SPARTAN试验的二次分析
Ahmad Mousa1, Julian Chavarriaga1, Katherine Lajkosz2
1Division of Urology, Department of Surgery, Princess Margaret Cancer Centre, University of Toronto, Toronto, ON, Canada.
Urologic oncology
|February 7, 2026
概括
治疗阿帕胺的前列腺癌患者使用静止剂并没有改善生存率. 然而,他类药物与安慰剂组的更差结果有关,这表明与雄激素受体抑制的相互作用.
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 临床试验
背景情况:
- 非转移性割抵抗性前列腺癌 (CRPC) 治疗通常涉及雄激素受体 (AR) 信号抑制剂.
- 类他类药物是常用的药物,具有潜在的类效应.
- 同时使用他类药物的对AR向疗法的影响尚不清楚.
研究的目的:
- 评估在SPARTAN试验中接受阿帕胺治疗非转移性CRPC的患者的基线他类药物使用和生存结果之间的关联.
- 调查他类药物使用和阿帕胺治疗对患者存活时间的潜在相互作用.
主要方法:
- 第三阶段SPARTAN试验数据的二次分析,涉及1207名参与者.
- 倾向性得分匹配 (1:1) 用于平衡他类药物使用者和非使用者之间的基线特征.
- 使用Kaplan-Meier分析和Cox比例危险模型比较了无转移存活率 (MFS) 和其他存活终点.
主要成果:
- 在1207名参与者中,463名 (38%) 是基线他类药物使用者;456名使用者与456名非使用者相匹配.
- 立方体使用与总体无转移生存 (MFS) (P=0.64) 不相关.
- 观察到一种显著的相互作用:在安慰剂组 (HR 1.40) 中,他类药物的使用与更糟糕的MFS有关,但不是阿帕胺组. 对于抗癌疗法无存活率也发现了类似的相互作用.
结论:
- 在SPARTAN试验中,使用静止剂与用阿帕胺治疗的非转移性CRPC患者的整体生存结果的改善无关.
- 显著的相互作用表明,他类药物可能对接受安慰剂的患者产生负面影响,可能是由于与AR抑制的相互作用.
- 需要进一步的前性研究来探索他类药物和AR向治疗之间的相互作用.
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