Influence of incomplete neoadjuvant chemotherapy on esophageal carcinoma

Abstract

Background

Neoadjuvant chemotherapy (NAC) involving two cycles of cisplatin plus fluorouracil is recommended in Japan as a standard treatment for resectable, locally advanced esophageal squamous cell carcinoma (ESCC). We have encountered patients who were administered incomplete chemotherapy because of adverse events or the patient's refusal of treatment. Here, we retrospectively investigated the influence on perioperative outcomes and long-term prognosis of patients with ESCC who underwent complete (two cycles) or incomplete (one cycle) NAC.

Methods

We retrospectively investigated 133 patients with locally advanced ESCC of the thoracic esophagus who underwent NAC. We compared the perioperative results and prognoses of patients who underwent complete or incomplete NAC because of adverse events or the patient's refusal of treatment.

Results

Of 133 patients, 37 patients did not receive the second cycle of NAC; the remaining 96 patients received the second cycle of NAC as scheduled. There were no significant differences in the clinical backgrounds, surgical results, or operative morbidity rates between the groups. Patients in both groups were similarly administered postoperative chemotherapy regimens. There was no significant difference in disease-free survival or overall survival.

Conclusions

We suggest that perioperative outcomes and long-term prognosis of patients with locally advanced ESCC were not significantly influenced, even if the patients did not receive a complete cycle of NAC. When certain adverse events occur after the first cycle of NAC, we believe that it is nevertheless possible to discontinue chemotherapy.

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