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  • Title: [Preoperative chemoradiotherapy as neoadjuvant therapy for 35 patients with locally advanced lower rectal carcinoma].
    Author: Feng HY, Li DC, Lou RC, Zhu Y, Liu LY.
    Journal: Zhonghua Wei Chang Wai Ke Za Zhi; 2005 Mar; 8(2):125-8. PubMed ID: 16155821.
    Abstract:
    OBJECTIVE: To explore the effect of combined preoperative chemotherapy with radiotherapy on locally advanced lower rectal carcinoma. METHODS: Thirty- five patients with locally advanced lower rectal carcinoma were received a new regimen of combined preoperative chemotherapy with radiotherapy. Routine fr action of radiation was given with total dose of 46 Gy,2 Gy per fraction,five ti mes a week. Patients received oxaliplatin 130 mg/m(2) (infusion) on day 1, plus leu novorin 200 mg/m(2) and 5- FU 500 mg/m(2)(intravenous bolus) from day 1 to day 3 eve ry 3 weeks for total two cycles before irradiation. Operation was performed 4 to 6 weeks later after neoadjuvant therapy. RESULTS: After neoadjuvant therapy,all patients underwent surgical resection with complete pathologic response in 7 patients,average tumor size decrease of in 34.4%, tumor stage decrease in 65.7% o f patients and nodal- negative change rate of 55.6%. Radical resection was per formed in 34 patients,in whom 18 patients received abdominoperineal resection(AP R) and 16 patients received sphincter- preserving surgery with 45.7% of anal preservation rate. One patient received palliative resection. No local recurrence occurred in all patients who received radical resection,but two cases had liver metastasis. CONCLUSION: Combined preoperative chemotherapy with radiotherapy is a better neoadjuvant therapy for lower advanced rectal cancer,which can decrease tumor stage,improve resectability and anal sphincter preservation rate,therefore ,this new neoadjuvant therapy with tolerable toxicity will has a promising application in the clinical setting.
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