胰腺密封环细胞癌的综合条件生存分析:化疗的作用和使用SEER数据库的预测模型开发
Mingxu Yu1, Xiaodong Chen2, Zihao Zheng3
1Department of Hepatobiliary and pancreatic surgery, The Third Affiliated Hospital of Wenzhou Medical University, Wenzhou city, 325000, China.
Discover oncology
|June 12, 2025
概括
化疗改善了胰腺结晶环细胞癌 (PSRCC) 的早期存活率,但长期益处有限. 一种新型的诺米图谱有助于对这种罕见的癌症进行个性化的生存预测.
科学领域:
- 在瘤学瘤学.
- 癌症研究 癌症研究
- 生存分析的分析.
背景情况:
- 胰腺密封环细胞癌 (PSRCC) 是一种具有不良预后的侵袭性胰腺癌亚型.
- 有限证据表明,化学疗法对PSRCC的生存益处有限.
- 条件生存 (CS) 分析为预后提供了一个动态的视角.
研究的目的:
- 用条件生存 (CS) 分析评估化疗对PSRCC存活率的影响.
- 开发一个预测模型,将CS集成到PSRCC中,以便在PSRCC中提供个性化的预后.
- 确定影响PSRCC患者生存的关键预后因素.
主要方法:
- 从SEER数据库 (2000-2019) 中分析了708名PSRCC患者.
- 倾向性得分匹配 (PSM) 和卡普兰-梅尔曲线用于评估化疗效应.
- 开发使用RSF,LASSO和Cox回归的CS集成名录,通过多个指标验证.
主要成果:
- 条件生存概率迅速下降,在第一年达到18%,在第三年达到5%,在第五年达到3%.
- 化疗显著改善了1年生存率 (30%vs8%没有化疗),但长期生存率趋同.
- 一个集成CS的诺姆图,包括年龄,瘤大小,阶段,部位,手术和化疗,显示出强大的预测准确度.
结论:
- 化疗为PSRCC患者提供了显著的早期生存优势,尽管长期益处有限.
- 在PSRCC.中,开发的名图表作为个性化生存预测的可靠工具.
- 建议在前性研究中进一步验证名录.
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