在表皮生长因子受体突变肺腺癌中,在新辅助向治疗后,病理反应和生存之间的关联
Chenyang Dai1, Xiaodong Yang1, Delun Yang1
1Department of Thoracic Surgery, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai 200443, China.
概括
在EGFR突变肺腺癌中,新辅助向治疗显示瘤回归与预后相关. 10%的剩余可活性瘤值表明主要的病理反应,而75%的值也有助于预测无复发的生存率.
科学领域:
- 在瘤学瘤学.
- 胸部外科手术 胸部外科手术
- 分子向疗法分子向疗法
背景情况:
- 国际肺癌研究协会 (IASLC) 建议在各种疗法中为主要病理反应 (MPR) 设置10%的残留可活性瘤 (%RVT) 值.
- 对于EGFR突变肺腺癌的新辅助向治疗后病态回归的预后影响的证据有限.
研究的目的:
- 调查EGFR突变肺腺癌患者接受新辅助向治疗的病理瘤回归和预后之间的关联.
- 为了确定最佳的%RVT切断值来预测无复发生存率 (RFS).
主要方法:
- 对接受新辅助向治疗的228名EGFR突变肺腺癌患者的回顾性分析.
- 使用最大选定等级统计数据和Youden指数来确定RFS的最佳%RVT截止值.
- 使用Kaplan-Meier方法和Cox比例危险分析来评估RFS.
主要成果:
- 10%%RVT值 (MPR) 与明显更好的RFS相关,而不是>10%%RVT (非MPR).
- 确定了75%的最佳%RVT截止值,其中>75%%RVT是RFS的独立风险因素.
- 分层分析显示出一个明显的预后梯度:%RVT>75% (最差的RFS),10-75%%RVT (中间RFS) 和≤10%%RVT (最佳RFS).
- 该IASLC腺癌分级系统保持了预后意义,并与10%的RVT值显示了协同作用的价值.
结论:
- 新辅助向治疗后瘤回归与患者的预后有显著的关联.
- 对于新辅助药物向治疗,IASLC的10%的MPR值得到了验证,而75%的RVT截止值提供了额外的预后信息.
- 需要进行前性研究来证实这些发现.
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