血爱斯坦-巴尔病毒DNA时间清除模式在诱导-同时 (化疗) 辐射治疗中用于鼻癌风险分层
Zongwei Huang1, Ying Li1, Wenxi Wu1
1Clinical Oncology School of Fujian Medical University, Fujian Cancer Hospital, Fuzhou, Fujian, China.
概括
在治疗期间跟踪爱斯坦-巴尔病毒 (EBV) DNA 水平,揭示了不同的模式,预测鼻癌 (NPC) 患者的结果. 在化疗期间早期消除EBVDNA提供了最佳的预后,而复发表明风险更高.
科学领域:
- 在瘤学瘤学.
- 病毒学 病毒学
- 生物标志物研究 生物标志物研究
背景情况:
- 血爱斯坦-巴尔病毒 (EBV) DNA是鼻癌 (NPC) 的关键生物标志物.
- 以前的研究经常在一个时间点分析EBV DNA,错过了治疗期间其清除模式的预后价值.
研究的目的:
- 在NPC患者的诱导并发化学辐射疗法 (chemoRT) 期间调查不同EBV DNA清除模式的预后意义.
- 确定独特的时间EBVDNA轨迹及其与无进展生存 (PFS) 的关联.
主要方法:
- 对2203名非转移性NPC患者的回顾性分析,他们接受了诱导并发化疗RT.
- 在基线 (T0),诱导化疗结束 (T1) 和RT结束 (T2) 测量EBVDNA水平,分类为可检测 (D) 或不可检测 (U).
- 分析了五种已识别的EBVDNA模式 (U-U-U,D-U-U,D-D-U,D-D-D和复苏模式) 与PFS之间的关联.
主要成果:
- 确定了五种EBVDNA模式:U-U-U (7.3%),D-U-U (42.8%),D-D-U (35.0%),D-D-D (11.7%),以及复苏 (3.3%).
- 与D-D-U (75.9%),D-D-D (52.5%) 和复苏模式 (72.5%) 相比,D-U-U模式 (诱导化疗后的消除) 显示出优异的5年PFS (82.9%).
- 复发模式,特别是D-U-D,与晚期 (III-IV) NPC和较低的PFS有关.
结论:
- 在诱导-并发化疗RT期间的时间EBVDNA清除模式为NPC提供了有价值的预后信息.
- 这些模式可以帮助识别高风险患者,并指导个性化治疗策略.
- 需要仔细考虑降低强度疗法在患有晚期疾病的患者显示EBV DNA不可检测性诱导后化疗由于潜在的复发.
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