Efficacy of docetaxel, cisplatin, and 5-fluorouracil chemotherapy for superficial esophageal squamous cell carcinoma

Summary

The anticancer efficacy of docetaxel, cisplatin, and 5-fluorouracil (DCF) chemotherapy has been reported to be better than that of conventional regimens for advanced or relapsed esophageal squamous cell carcinoma (ESCC), and may become a standard therapy for this disease. Because it is extremely rare for chemotherapy to be administered as treatment for early cancer alone, the efficacy of DCF for superficial ESCC remains unknown. However, from a clinical oncological standpoint, it is important to investigate the anticancer efficacy of chemotherapy for early cancer, which may be useful for understanding the development of treatment resistance against chemotherapy in cancer. This retrospective, single-center analysis included 28 patients with superficial ESCC who received DCF for synchronous head and neck squamous cell carcinoma between June 2007 and July 2013. The response rate to DCF was 60.7%. In 14 of 17 patients who had been judged to have a complete response, local recurrence was eventually confirmed by follow-up esophagogastroduodenoscopy. The median progression-free survival for all 28 patients was 6.0 months. The anticancer efficacy of DCF was not found to be dependent on tumor progression stage or on the volume of local and metastatic tumors but on the drug sensitivity of the individual. Our results suggest that the efficacy of DCF against superficial esophageal squamous cell carcinoma appears to be limited to local lesions and metastases of regional lymph nodes, and the expected effect of DCF for early ESCC is similar to that for advanced, metastatic, or recurrent esophageal cancer.

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