预后基因表达特征为HPV阴性头部和部状细胞癌
Stefano Cavalieri1, Ruud H Brakenhoff2, C René Leemans2
1Head and Neck Medical Oncology Department, Fondazione IRCCS Istituto Nazionale dei Tumori di Milano, Milan, Italy; Department of Oncology and Hemato-oncology, University of Milan, Milan, Italy.
概括
与TNM分期系统相比,一种新的172基因签名 (172GS) 为HPV阴性头支状细胞癌 (HNSCC) 患者治疗放射治疗提供了更高的预后准确性. 这一发现有助于更好的风险分层和个性化治疗规划.
科学领域:
- 在瘤学瘤学.
- 基因组学就是基因组学.
- 癌症研究 癌症研究
背景情况:
- 头部和部状细胞癌 (HNSCC) 是癌症死亡的一个重要原因.
- 阴性HPVHNSCC特别具有攻击性,预后不佳,对放射治疗的反应有限.
- 对于这些患者来说,急需改进预后工具和治疗策略.
研究的目的:
- 评估基因表达特征的预后能力,预测接受放射治疗的HPV阴性HNSCC患者的存活率.
- 将这些签名的准确性与已建立的TNM分阶段系统进行比较.
主要方法:
- 一项观察性队列研究分析了783名HPV阴性HNSCC患者 (III-IVa/b阶段) 的基因表达数据,这些患者接受治疗性放射治疗.
- 主要结局是整体生存 (OS);次要结局包括无疾病生存 (DFS),无远程转移生存 (DMFS) 和局部区域无复发生存 (LRRFS).
- 使用接收器操作特征 (ROC) 曲线和Cox模型评估预测性能.
主要成果:
- 172-基因签名 (172GS) 显示出最高的预后准确性.
- 172GS在预测OS,DFS,DMFS和LRRFS方面表现优于TNM分期系统.
- 多变量分析证实了172GS的独立预后值.
结论:
- 172GS基因签名提供了优越的预后信息,与HPV阴性HNSCC的TNM分期相比.
- 这种签名具有提高风险分层和个性化治疗计划的潜力.
- 未来的研究应该纳入瘤生物学和基因特征,以便在临床试验中优化患者选择.
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