A re-irradiation dose of 55-60 Gy improves the survival rate of patients with local recurrent esophageal squamous cell carcinoma after radiotherapy.

Radiation Oncology
Xun WuLang He

Abstract

Local recurrence (LR) is clinical challenge in the treatment of esophageal squamous cell carcinoma (ESCC). The current study aimed to determine the optimal re-irradiation dose for local recurrent esophageal squamous cell carcinoma (LRESCC) following radical (chemo) radiotherapy. We retrospectively analyzed 125 patients with LRESCC after receiving initial radiotherapy. For radiotherapy treatment, 58 patients were assigned to low-dose (LD) group (50-54 Gy) and 67 were assigned to the high-dose (HD) group (55-60 Gy). The response rate (complete + partial response), 1-, 2- and 3-year survival rate, and toxicity were recorded. We then analyzed the impact of different radiotherapy doses and combination chemotherapy on the survival of patients with LRESCC. After re-irradiation, the 1-, 2- and 3-year survival rates in the LD and HD groups were 48.3%, 24.1% and 10.3% and 61.2%, 34.3% and 19.4% in the HD group, respectively, and the difference in overall survival rate between the two groups were significant (P < 0.05). The median survival time of patients receiving radiotherapy alone was 9 months in the LD group and 15 months in the HD group (P < 0.05). The survival rate of patients treated with chemoradiotherapy was higher than that of ...Continue Reading

References

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