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Published on: February 12, 2017
Additional Effects of Docetaxel on Neoadjuvant Radiotherapy With Cisplatin/5-Fluorouracil for Esophageal Squamous
Ken Sasaki1, Yusuke Tsuruda2, Masataka Shimonosono2
1Department of Digestive Surgery, Breast and Thyroid Surgery, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima, Japan; k-sasaki@m.kufm.kagoshima-u.ac.jp.
Background/Aim:
To further improve the prognosis of locally advanced esophageal cancer patients, investigating new perioperative treatment strategies is necessary. The current study aimed to retrospectively investigate neoadjuvant radiotherapy with cisplatin and 5-fluorouracil (CF-RT) and radiotherapy with docetaxel and CF (DCF-RT) and compare their treatment outcomes in patients with locally advanced esophageal squamous cell carcinoma (ESCC).
Patients And Methods:
We retrospectively reviewed 95 patients with ESCC who received CF-RT or DCF-RT followed by esophagectomy. The CF-RT group received chemotherapy consisting of two courses of CF repeated every 4 weeks. The DCF-RT group received chemotherapy consisting of two courses of DCF repeated every 2 weeks. A radiotherapy dose of 1.8-2 Gy was administered per session, up to a total of 40-41.4 Gy. Adverse events of neoadjuvant chemoradiotherapy, surgical outcomes, pathological responses, prognosis, and recurrence patterns were evaluated.
Results:
Both the CF-RT and DCF-RT groups had equivalent pathological complete response rates of the primary tumor at 31.6% and 38.6%, respectively. However, the DCF-RT group had significantly better 5-year disease-free survival and 5-year overall survival than (HR=0.50, 95%CI=0.26-0.97, p=0.0392) than the CF-RT group.
Conclusion:
DCF-RT may be a candidate neoadjuvant therapy for locally advanced ESCC.
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