期刊
ONCOTARGET
卷 8, 期 45, 页码 79662-79669出版社
IMPACT JOURNALS LLC
DOI: 10.18632/oncotarget.19030
关键词
esophageal squamous cell carcinoma; radiotherapy; overall survival; progression-free survival
Purpose: The optimal radiation dose for patients with esophageal squamous cell carcinoma (ESCC) has long been debated. We undertook the retrospective study to evaluate the survival impact of high dose vs standard dose in patients with stage II-III esophageal cancer treated with definitive chemoradiotherapy (CRT). Results: A total of 137 patients were included in our study, 63 patients classified as standard-dose group and 74 as high-dose group. For the 63 patients in the standard-dose group, the median PFS and the 1-, 2-, and 3-year PFS rates were 12.6 months, 58.0%, 26.0% and 12.0%, respectively; for the 74 patients in the high-dose group, they were 20.0 months, 80.1%, 31.0% and 20.0%, respectively (P = 0.013). The median OS of the patients in the standard-dose group and high-dose group groups were 19.0 months and 26.6 months, respectively, and the 1-, 2- and 3-year survival rates were 78.0%, 39.0%, and 24.0%, and 89.0%, 61.0%, and 30.0%, respectively (P = 0.037). Besides the rate of grade 3 acute irradiation esophagitis in the high dose group (10.5% versus. 2.2%, P < 0.01), there were no significantly differ of treatment-related toxicities between the two groups. Materials and Methods: According to the radiation dose, patients from 2010 to 2014 were allocated into either the standard-dose group (50-50.4 Gy) or the high dose group (>= 59.4 Gy). Overall survival (OS), progression-free survival (PFS) and treatment-related toxicities were assessed and compared between the two groups. Conclusions: Our findings suggest that higher radiation dose could perform better outcomes for esophageal squamous cell carcinoma patients.
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