Preoperative irinotecan/5-FU/leucovorin plus concurrent radiotherapy in rectal cancer.
PURPOSE: To evaluate results of preoperative irinotecan/5-FU/leucovorin plus radiotherapy for locally-advanced rectal cancer. METHODS: Thirty-five patients with locally-advanced rectal cancer were treated with preoperative irradiation 46 Gy plus concurrent chemotherapy(irinotecan 10 mg/m(2)/d d1-d5,...
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| Main Authors: | , , , , , , |
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| Format: | Journal |
| Published: |
2018
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| Subjects: | |
| Online Access: | https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=39749152414&origin=inward http://cmuir.cmu.ac.th/jspui/handle/6653943832/60190 |
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| Institution: | Chiang Mai University |
| Summary: | PURPOSE: To evaluate results of preoperative irinotecan/5-FU/leucovorin plus radiotherapy for locally-advanced rectal cancer. METHODS: Thirty-five patients with locally-advanced rectal cancer were treated with preoperative irradiation 46 Gy plus concurrent chemotherapy(irinotecan 10 mg/m(2)/d d1-d5, d22-d26, 5-FU 350 mg/m(2)/d d1-d5, d22-d26, and leucovorin 20 mg/m(2) d1-d5, d22-d26), followed by radical surgery. RESULTS: There were no treatment-related deaths. Acute toxicity was mainly in neutropenia and diarrhea, with both grade 4 neutropenia and grade 3 diarrhea observed in 4 patients(11%). Radical resectability was performed in 29 patients(83%)with sphincter preservation surgery in 7 patients. Six patients did not undergo the planned surgery due to patient refusal and disease progression. A complete pathological response was observed in 14%(4/29). Pathological T-downstaging was observed in 55%(16/29). CONCLUSIONS: These results suggest that preoperative radiochemotherapy with irinotecan/5-FU/leucovorin is safe and effective in tumor downstaging and allows sphincter-saving resection to be performed in locally-advanced rectal cancer. |
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