诱导alectinib或crizotinib治疗ALK融合的第三阶段NSCLC:一项为期4年的随访研究
Chao Zhang1,2, Siyang Liu2, Benyuan Jiang2
1School of Medicine, South China University of Technology, Guangzhou, Guangdong 510006, China.
Chinese medical journal
|October 26, 2025
概括
诱导形淋巴瘤激酶 (ALK) - 铁激酶抑制剂 (TKIs) 对局部发达的非小细胞肺癌 (NSCLC) 显示出前景. 与crizotinib相比,alectinib在第三阶段NSCLC患者中显示出更高的疗效和耐受性.
科学领域:
- 在瘤学瘤学.
- 胸部外科手术 胸部外科手术
- 药理学 药理学是指药理学的学科.
背景情况:
- 无质性淋巴瘤激酶 (ALK) - 铁激酶抑制剂 (TKIs) 在ALK融合的晚期非小细胞肺癌 (NSCLC) 中有效.
- 诱导ALK-TKIs在局部晚期NSCLC (III期) 中的作用尚不清楚.
- 这项研究调查了针对ALK的诱导治疗在III期肺癌中的疗效.
研究的目的:
- 评估诱导形淋巴瘤激酶 (ALK) - 铁氨酸激酶抑制剂 (TKIs) 在患有第三期非小细胞肺癌 (NSCLC) 的患者的短期和长期疗效.
- 为了在这个患者群体中比较alectinib和crizotinib之间的病理反应和生存结果.
- 通过单细胞RNA测序,探索诱导ALK-TKI对瘤微环境的影响.
主要方法:
- 自2016年以来接受诱导ALK-TKI (alectinib或crizotinib) 治疗的IIIA-IIIB阶段非小细胞肺癌 (NSCLC) 患者的回顾性分析.
- 对临床病理特征和治疗管理的审查.
- 用alectinib治疗的患者的长度单细胞RNA测序分析;使用费舍尔精确测试和卡普兰-梅尔生存分析的统计分析.
主要成果:
- 纳入了40名III期NSCLC患者;40名患者在没有术后放射治疗的情况下进行了R0切除.
- 与crizotinib相比,诱导alectinib显示出优异的病理反应 (MPR65%与46%,pCR35%与15%) 和显著更长的无进展生存期 (PFS).
- 单细胞RNA测序揭示了瘤干的增加和残留瘤中的抑制性免疫微环境,而切除的pCR标本显示了炎症的微环境.
结论:
- 诱导ALK-TKIs代表了局部先进的ALK阳性NSCLC的临床有效和耐受良好的治疗策略.
- 在这种情况下,alectinib表现出比crizotinib更高的疗效.
- 需要进一步的研究来了解免疫微环境的变化,并优化治疗策略.
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