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  • Title: Pre-operative chemoradiotherapy with oral tegafur-uracil and leucovorin for rectal cancer.
    Author: Wang LW, Yang SH, Lin JK, Lin TC, Chan WK, Chen WS, Wang HS, Jiang JK, Lee RC, Li AF, Chao Y, Chi KH, Yen SH.
    Journal: J Surg Oncol; 2005 Mar 15; 89(4):256-63; discussion 263-4. PubMed ID: 15726610.
    Abstract:
    BACKGROUND: To evaluate the efficacy and toxicity of pre-operative radiotherapy (RT) combined with oral tegafur-uracil (UFUR) plus leucovorin (LV) in rectal cancer. PATIENTS: Sixty-five patients with rectal adenocarcinoma (clinical staged T2-4N0-2M0) received pelvic RT of 45 Gy in 20 fractions over 28 days. Concurrent chemotherapy consisted of UFUR (200 mg/m(2)/day) and LV (45 mg/day) on day 1-28. UFUR (250 mg/m(2)/day) and LV were continued on day 36-63. Surgery was performed on day 70. RESULTS: Sixty-three patients completed the concurrent chemoradiotherapy (CCRT) and 56 received curative or palliative surgery. Among the 52 patients receiving curative resection, downstaging (DS) occurred in 39 (75%), pathological complete response in 13 (25%), and sphincter preservation was achieved in 16 of 29 (55%) with lower-seated tumors. With a median follow-up time of 33 months, local failure developed in 4 (8%) and distant metastases occurred in 7 (14%). The 3-year overall survival was 92% and disease-free survival 76%. For all 65 patients, grade 3-4 diarrhea developed in 6 (9%) and grade 3-4 leucopenia observed in 2 (3%). CONCLUSIONS: Oral UFUR + LV administered with pre-operative RT are effective in tumor DS, pathological complete response, and sphincter preservation with tolerable toxicity in rectal cancer.
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