多中心食管鳞癌根治性三维放疗的预后分析——3JECROG R-01

摘要

Objective To evaluate the survival and prognostic factors of esophageal cancer treated with definitive ( chemo ) radiotherapy by applying novel radiation techniques including three-dimensional conformal radiotherapy (3DCRT) or intensity-modulated radiotherapy (IMRT). Methods Clinical data of 2762 patients with non-operated esophageal squamous cell carcinoma who underwent definitive ( chemo ) radiotherapy from 2002 to 2016 in 10 hospitals were retrospectively analyzed.The prognostic factors were also identified and analyzed. Results The median follow-up time was 60. 8 months. The 1-, 2-, 3-and 5-year overall survival (OS) of all patients was 71. 4％,48. 9％,39. 3％,and 30. 9％,respectively.The 1-,2-,3-and 5-year progression-free survival (PFS) was 59.5％,41.5％,35.2％,and 30％,respectively.The median survival was 23 months.The median time to progression was 17. 2 months.Multivariate analysis demonstrated that age, primary tumor location, clinical stage, tumor target volume, EQD2 and treatment mode were the independent prognostic factors for OS.Primary tumor location,clinical stage,tumor target volume and EQD2 were the independent prognostic factors for PFS. Conclusions In this first large-scale multi-center retrospective analysis of definitive ( chemo) radiotherapy for esophageal squamous cell carcinoma in China, the 5-year OS of patients with esophageal squamous cell carcinoma is significantly improved by 3DCRT, IMRT combined with chemotherapy drugs. However, the findings remain to be validated by prospective clinical trials with high-level medical evidence.%目的 分析应用三维适形放疗(3DCRT)、调强放疗(IMRT)或以3DCRT、IMRT为基础的同步放化疗治疗食管癌根治性放疗患者的生存情况及预后影响因素.方法 回顾分析2002-2016年我国10所医疗中心符合纳入标准的2762例不宜手术或拒绝手术而接受根治性放疗的食管癌患者的病历资料.分析全部患者1、2、3、5年的总生存、无进展生存及预后影响因素.结论中位随访时间60.8个月.全部患者1、2、3、5年总生存率分别为71.4％、48.9％、39.3％、30.9％,无进展生存率分别为59.5％、41.5％、35.2％、30.0％.中位生存期为23.0个月,中位无进展生存期为17.2个月.多因素分析结果 显示年龄、原发肿瘤部位、临床分期、肿瘤体积、放疗剂量及治疗模式是影响总生存的因素(P=0.000～0.023),原发肿瘤部位、临床分期、肿瘤体积及放疗剂量是影响无进展生存的因素(P=0.000～0.002).结论 在应用3DCRT、IMRT新技术和化疗药物治疗的食管鳞癌患者的5年总生存率显著提高,对临床治疗有一定的参考价值.