新辅助TRK抑制剂与先进NTRK融合阳性肉瘤中的化疗:现实世界的证据分析
Fuyi Zhu1, Haiyan Cheng1, Yali Han2
1Department of Surgical Oncology, Key Laboratory of Major Diseases in Children, Ministry of Education, Beijing Children's Hospital, Capital Medical University, National Center for Children' s Health, Beijing, 100045, China.
TRK抑制剂在儿科NTRK融合阳性瘤中显著优于化疗,提供更高的反应率,避免了变形手术. 这些发现确定TRK抑制剂是首选的第一线治疗选择.
科学领域:
- 儿科瘤学 儿科瘤学
- 分子向疗法分子向疗法
- 肉瘤研究研究 肉瘤研究
背景情况:
- 化疗是发展中国家先进的NTRK融合阳性瘤的标准第一线治疗方法.
- TRK抑制剂已经证明有效,但在现实环境中与化疗的直接比较是有限的.
研究的目的:
- 为了比较TRK抑制剂与化学疗法的现实结果,在患有先进NTRK融合阳性肉瘤的儿童中.
- 评估治疗失败率,响应率,切割手术的需要和生存终点.
主要方法:
- 在2018-2024年期间治疗的50名患有晚期NTRK融合阳性肉瘤的儿童的回顾性分析.
- 对TRK抑制剂 (n=37) 与化疗 (n=13) 的比较.
- 评估治疗失败率,客观反应率 (ORR),肢解手术,治疗失败的时间和无事件生存率 (EFS).
主要成果:
- 与化疗相比,TRK抑制剂的疗效明显优于TRK抑制剂 (ORR为91.9%与53.8%相比,p=0.006).
- 使用TRK抑制剂显著减少治疗失败 (2.7%对61.5%,p<0.001).
- TRK抑制剂在婴儿纤维瘤中预防了肢解手术,并在NTRK重组的螺旋细胞瘤中改善了ORR,也延长了治疗失败和EFS的时间.
结论:
- 前期TRK抑制提供更快,更深的反应,并避免在患有NTRK融合阳性瘤的儿童中切割手术.
- 推TRK抑制剂作为首选的第一线和新辅助选择,以促进非病态切除和预防功能障碍.
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