在患有高级固体瘤的患者中将伊塔西提尼布或帕萨克利西布与布利祖马布结合使用:一期I期研究
Pamela Munster1, Nicholas Iannotti2, Daniel C Cho3
1Department of Medicine, Division of Hematology/Oncology, UCSF, San Francisco, California.
Cancer research communications
|December 20, 2023
概括
这项研究结合了Janus激酶1 (JAK1) 或PI3Kδ抑制剂与PD-1阻断在先进的固体瘤. 这些组合显示出有限的临床活性,不支持进一步的开发.
科学领域:
- 在瘤学瘤学.
- 免疫治疗是一种免疫疗法.
- 药理学 药理学是指药理学的学科.
背景情况:
- 临床前研究表明,编程死亡-1 (PD-1) 阻塞与向治疗相结合,可以增强抗瘤活性.
- 这项研究研究了PD-1抑制与Janus激酶1 (JAK1) 或酸氨基醇3激酶三角酶 (PI3Kδ) 抑制剂在先进的固体瘤中的组合.
研究的目的:
- 评估itacitinib (JAK1抑制剂) 或parsaclisib (PI3Kδ抑制剂) 与pembrolizumab (PD-1抑制剂) 结合的安全性,耐受性和初步临床活性.
- 确定这些组合在患有晚期固体瘤的患者中所能承受的/药理有效的最大剂量.
主要方法:
- 一项Ib期,开放标签,多中心,平台研究招募了159名患有晚期固体瘤的患者,这些瘤在所有可用的疗法后都进展.
- 患者接受伊塔西提尼布或帕萨克利西布与潘布罗利祖马布联合治疗,剂量升级和扩张阶段.
- 评估了安全性,与治疗相关的不良事件 (TRAE) 和客观反应率 (ORR).
主要成果:
- 最大的耐受性/药理活性剂量是伊塔西提尼布300毫克每天一次和帕萨克利西布30毫克每天一次.
- 常见的TRAE包括疲劳,恶心,贫血,腹,发烧,黄斑皮疹和.
- 客观应答率很低:8.2%的部分应答 (PR) 采用伊塔西提尼布加 pembrolizumab;6.0%的完整应答 (CR) 和10.8%的PR采用帕萨克利西布加 pembrolizumab 在第1部分;18.5%的PR采用帕萨克利西布加 pembrolizumab 在第2部分.
结论:
- 伊塔西提尼布或帕萨克利西布与班布罗利祖马布的结合在患有晚期固体瘤的患者中显示出适度的临床活性.
- 观察到的整体应答率并不支持对固体瘤的这些特定组合的持续开发.
- 这些组合对仅仅除了PD-1阻断之外的瘤中T细胞透的影响有限.
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