一个新辅助性卡博桑提尼布的第一阶段研究,与极端肉瘤的辐射疗法结合
Hannah R Abrams1,2, Elizabeth T Loggers1,2, Michael J Wagner1,3
1Clinical Research Division.
American journal of clinical oncology
|March 2, 2026
概括
这一第一阶段试验发现,同步使用卡博桑提尼布和放射治疗对于四肢软组织肉瘤 (STS) 是安全的. 推的第二期剂量 (RP2D) 为60毫克卡博桑提尼布,没有观察到该组合的剂量限制性毒性.
科学领域:
- 在瘤学瘤学.
- 辐射瘤学 辐射瘤学
- 医学瘤学 医学瘤学
背景情况:
- 卡博桑提尼布在软组织肉瘤 (STS) 亚型中显示出有效性.
- 与放射治疗 (RT) 同时使用卡博桑提尼布受到毒性问题的限制.
- 对四肢STS的新辅助疗法需要评估联合治疗的安全性.
研究的目的:
- 评估同时使用卡博桑提尼布和RT作为 extremity STS的新辅助疗法的安全性.
- 确定卡博桑提尼布与RT结合的推第二阶段剂量 (RP2D).
- 评估与治疗相关的不良事件 (TRAE),阳性边际和客观反应率.
主要方法:
- 第1期临床试验招募了患有局部四肢STS的成年人.
- 同时使用常规分成RT (5000-5040cGy) 和每日卡博桑提尼布 (40mg或60mg).
- 在治疗后28天内观察剂量限制性毒性 (DLT).
主要成果:
- 从卡博赞提尼布/RT组合中没有观察到DLT.
- 50%的患者由于TRAE需要降低卡博桑提尼布剂量.
- 确定的RP2D是每天服用60毫克卡博桑提尼布.
- 100%的患者在12周内实现了稳定疾病; 83%的患者进行了R0切除.
- 没有发现局部复发.
结论:
- 同时使用卡博桑提尼布和RT可用于四肢STS.
- 在这个第一阶段试验中,该组合表明了可接受的安全性.
- 需要对这种新辅助方法进行进一步的研究.
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