长期幸存者EGFR突变转移性NSCLC的特征
William Tompkins1, Connor B Grady2, Wei-Ting Hwang2
1Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania.
JTO clinical and research reports
|August 19, 2024
概括
在EGFR突变非小细胞肺癌 (NSCLC) 中,长期存活与没有大脑转移和不吸烟有关. 这些因素可以确定哪些患者可能不需要积极的初始治疗.
科学领域:
- 在瘤学瘤学.
- 医学遗传学 医学遗传学
背景情况:
- 在EGFR突变非小细胞肺癌 (NSCLC) 中长期幸存者的流行病学特征仍然不完全理解.
- 这项研究侧重于在osimertinib前时代被诊断和治疗的患者.
研究的目的:
- 描述EGFR突变NSCLC患者的多机构队列中长期幸存者的特征.
- 为了确定与在这一患者群体中实现5年生存率相关的因素.
主要方法:
- 对EGFR突变转移性NSCLC患者电子病历的回顾性分析,这些患者在2015年之前开始了第一线治疗.
- 患者存活时间≥5年和<5年之间的人口统计和转换的比较.
- 采用多变量Cox比例危险和后勤回归模型来评估生存预测因素和早期死亡几率.
主要成果:
- 长期幸存者和其他人之间没有观察到致病性转换 (TP53,PIK3CA) 的显著差异.
- 接受一线化疗与EGFR氨酸激酶抑制剂的治疗在各组之间是相似的.
- 缺少基线脑转移 (OR=2.16,P=0.029) 和非吸烟状态 (OR=1.90,P=0.046) 与在5年内死亡的几率更高有关. 在基线和治疗后,大脑转移显著恶化了整体存活率 (HR=3.26,P<0.001和HR=4.99,P<0.001).
结论:
- 没有脑转移和不吸烟状态是EGFR突变NSCLC患者在2015年之前接受治疗的5年生存率的关键预测因素.
- 这些发现有助于确定一小组具有良好的结果的患者,这些患者可能不需要强化初始治疗.
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