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  • Title: Phase II study of preoperative concurrent chemoradiotherapy with oxaliplatin for locally advanced esophageal cancer.
    Author: Huang JW, Yeh HL, Hsu CP, Chuang CY, Lin JC, Lin JF, Chang CF.
    Journal: J Chin Med Assoc; 2017 Jul; 80(7):401-407. PubMed ID: 28476443.
    Abstract:
    BACKGROUND: We investigated preoperative concurrent chemoradiotherapy (CCRT) with oxaliplatin for locally advanced, potentially operative esophageal cancer in this Phase II study. METHODS: Between October 2009 and October 2011, 35 consecutive patients with newly diagnosed esophageal cancer clinical stage T3-4, N0-1, M0 were enrolled into this study. One dose of chemotherapy with oxaliplatin (35 mg/m2) on Day 1 and Day 2, leucovorin (200 mg/m2) on Day 1, and 5-fluorouracil [5-FU; 2400 mg/m2 intravenously (i.v.) administered continuously for 48 hours] on Day 1 was administered 2 weeks before preoperative CCRT. During preoperative CCRT, radiation dose of 4500 cGy in 25 fractions was administered to the clinical target volume and 5000 cGy to 5040 cGy in 25 fractions was administered to the gross tumor volume; chemotherapy is administered concomitantly with oxaliplatin (45 mg/m2) on Day 1 of radiation therapy (R/T) every 14 days; 5-FU (400 mg/m2 i.v. bolus for 1 hour) for 5 days on Weeks 1 and 5 of R/T. Operation was performed 4-6 weeks after preoperative CCRT. Acute toxicity profile, overall survival rate, disease-free survival rate, distant metastasis failure-free survival rate, and local recurrence rate were evaluated. RESULTS: Four patients withdrew from the study. The total number of patients in this analysis was 31. The resection rate was 64.5%. The pathologic complete response rate was 15%. The overall median survival was 19.3 months. The 5-year overall survival rate was 37.8%. The 5-year disease-free survival rate was 31.1%. The 5-year distant metastasis failure-free survival rate was 40.7% (50.56% for patients with operation; 27.2% for patients without operation, p=0.0298). The acute toxicities were mild, and no Grade 3 or above hematologic toxicity was noted. There was only one patient with Grade 3 esophagus toxicity. Grade 3 lung toxicity occurred in only three patients. CONCLUSION: Preoperative chemoradiotherapy with oxaliplatin in the treatment of locally advanced, potentially resectable esophageal cancer is feasible and safe.
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