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Prognostic analysis of definitive three-dimensional radiotherapy for non-surgically resectable esophageal squamous cell carcinoma:a multi-center retrospective study (3JECROG R-01)
Wang Xin, Wang Lan, Chen Junqiang, Zhang Wencheng, Wang Xiaomin, Ge Xiaolin, Shen Wenbin, Hu Miaomiao, Yuan Qianqian, Xu Yonggang, Hao Chongli, Zhou Zhiguo, Qie Shuai, Lu Na, Pang Qingsong, Zhao Yidian, Sun Xinchen, Zhang Kaixian, Li Gaofeng, Li Ling, Qiao Xueying, Liu Miaoling, Wang Yadi, Deng Lei, Wang Wenqing, Bi Nan, Zhang Tao, Deng Wei, Li Chen, Ni Wenjie, Chang Xiao, Han Weiming, Zhou Zongmei, Liang Jun, Feng Qinfu, Wang Lvhua, Chen Dongfu, Ly Jima, Zhu Shuchai, Han Chun, Xiao Zefen
Department of Radiation Oncology,National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital,Chinese Academy of Medical Sciences,Peking Union Medical College,Beijing 100021,China (Wang X,Deng L,Wang WQ,Bi N,Zhang T,Deng W,Li C,Ni WJ,Chang X,Han WM,Zhou ZM,Liang J,Feng QF,Wang LH,Chen DF,Lyu JM,Xiao ZF); Department of Radiation Oncology,the Fourth Hospital of Hebei Medical University,Shijiazhuang 050011,China (Wang L,Shen WB,Zhou ZG,Qiao XY,Zhu SC,Han C); Department of Radiation Oncology,Fujian Cancer Hospital/Fujian Medical University Cancer Hospital,Fuzhou 350014,China (Chen JQ); Department of Radiation Oncology,Tianjin Medical University Cancer Institute and Hospital/National Clinical Research Center for Cancer,Tianjin 300060,China (Zhang WC,Pang QS); Department 4th of Radiation Oncology,Anyang Cancer Hospital,Anyang 455000,China (Wang XM,Zhao YD); Department of Radiation Oncology,First Affiliated Hospital of Nanjing Medical University,Nanjing 210029,China (Ge XL,Sun XC); Department of Oncology,Tengzhou Central People′s Hospital,Tengzhou 277599,China (Hu MM,Yuan QQ,Hao CL,Zhang KX,Li L); Department of Radiation Oncology,Beijing Hospital,National Center of Gerontology,Beijing 100730,China (Xu YG,Li GF); Department of Radiation Oncology,Affiliated Hospital of Hebei University,Baoding 071000,China (Qie S,Liu ML); Department of Radiation Oncology,PLA Army General Hospital,Beijing 100700,China (Lu N,Wang YD)
AbstractObjective 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.
Fund:Major National Research and Development Project (2016YFC0904600);Beijing Marathon of Hope Foundation,Cancer Foundation of China (LC2016L04)
Corresponding Authors:
Han Chun,Email:hanchun2006@126.com;Xiao Zefen,Email:xiaozefen@sina.com
Cite this article:
Wang Xin,Wang Lan,Chen Junqiang et al. Prognostic analysis of definitive three-dimensional radiotherapy for non-surgically resectable esophageal squamous cell carcinoma:a multi-center retrospective study (3JECROG R-01)[J]. Chinese Journal of Radiation Oncology, 2018, 27(11): 959-964.
Wang Xin,Wang Lan,Chen Junqiang et al. Prognostic analysis of definitive three-dimensional radiotherapy for non-surgically resectable esophageal squamous cell carcinoma:a multi-center retrospective study (3JECROG R-01)[J]. Chinese Journal of Radiation Oncology, 2018, 27(11): 959-964.
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2018, Vol. 27 
