尽管停止使用ALK抑制剂,但在晚期ALK阳性NSCLC中延长疾病控制
Syed Ather Hussain1, Hafsa Faisal2, Grace K Dy1
1Department of Thoracic Medicine, Roswell Park Comprehensive Cancer Center, Buffalo, USA.
概括
患有EML4-ALK驱动的晚期非小细胞肺癌 (NSCLC) 的患者可以在没有疾病爆发的情况下安全地停止使用形淋巴瘤激酶氨酸激酶抑制剂 (TKI). 某些分子形状,如变异1和野生型TP53,可以预测TKI治疗的良好结果.
科学领域:
- 在瘤学瘤学.
- 分子生物学分子生物学
背景情况:
- 在大约5%的晚期非小细胞肺癌 (NSCLC) 中,EML4-ALK融合是致癌的驱动因素.
- 无细胞淋巴瘤激酶氨酸激酶抑制剂 (TKI) 是ALK阳性NSCLC的有效治疗方法.
- 疾病爆发,在TKI停止后癌症的快速恶化,与生存率低下有关.
研究的目的:
- 审查关于EML4-ALK NSCLC患者的文献,这些患者在停止TKI治疗时经历了疾病爆发.
- 为了将这些病例与安全停止TKI并实现延长生存的患者进行对比.
主要方法:
- 在EML4-ALK NSCLC患者中发表的疾病爆发病例的文献综述.
- 三名ALK阳性NSCLC患者的病例系列,其中有EML4-ALK变异1转位.
- 在停止TKI治疗后对患者结果的分析.
主要成果:
- 三名患有晚期ALK阳性NSCLC和EML4-ALK变异1转位的患者安全地停止了TKI治疗,没有疾病爆发.
- 这些患者经历了长时间的生存,尽管TKI停止.
- 影响爆发风险的因素包括进展时间,症状,转移,瘤反应,治疗线,疾病负担,融合变异和共同改变.
结论:
- 鉴定在TKI停止后有疾病爆发风险的患者对于改善结果至关重要.
- 先进的ALK阳性NSCLC与EML4-ALK变异1和野生型TP53可能适合间歇性TKI剂量策略.
- 间歇性TKI剂量需要进一步调查,以避免耐药性和毒性.
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