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Neoadjuvant treatment with weekly high-dose 5-Fluorouracil as 24-hour infusion, folinic acid and oxaliplatin in patients with primary resectable liver metastases of colorectal cancer.

Abstract：

PURPOSE:To evaluate the efficacy and safety of neoadjuvant treatment comprising weekly high-dose 5-fluorouracil (5-FU) as a 24-hour infusion, folinic acid (FA) and biweekly oxaliplatin (L-OHP), followed by metastatic resection in patients with primarily resectable liver metastases of colorectal cancer (CRC). PATIENTS AND METHODS:20 patients with primarily resectable liver metastases of CRC were enrolled in a prospective phase II study. On an outpatient basis, the patients received a treatment regimen comprising biweekly 85 mg/m(2) L-OHP in the form of a 2-hour intravenous infusion and 500 mg/m(2) FA as a 1- to 2-hour intravenous infusion, followed by 2,600 mg/m(2 ) 5-FU administered as a 24-hour intravenous infusion once weekly. A single treatment cycle comprised one infusion per week during a period of 6 weeks followed by a 2-week rest. Two cycles were administered, with a third being added when the treatment was well tolerated. Thereafter, curative resection of the liver metastases was attempted, and the patients were followed up. RESULTS:After neoadjuvant therapy, 2 of the original 20 patients showed complete remission (CR; 10%) and 18 patients partial remission (PR; 90%). As the main symptom of toxicity, diarrhea (CTC toxicity grade 3-4) was observed in 6 patients (30%), followed by vomiting in 3 patients (15%). The curative resectability rate was 80% (16 of 20). In 9 of 18 patients (50%) undergoing surgical intervention, mild postoperative complications, mainly wound healing disturbances (n = 5), occurred. No postoperative mortality was observed. Over a median follow-up of 23 months (12-38) 6 of 16 curatively resected patients developed distant metastases and 1 patient a local pelvic recurrence. The 2-year disease-free survival rate was 52% and the 2-year cancer-related survival rate 80%. CONCLUSION:The neoadjuvant treatment with weekly high-dose 5-FU in the form of a 24-hour infusion combined with FA and L-OHP is very effective and well tolerated. Surgical morbidity does not appear to be increased by the neoadjuvant treatment.

journal_name

Oncology

journal_title

Oncology

authors

Wein A,Riedel C,Brückl W,Merkel S,Ott R,Hanke B,Baum U,Fuchs F,Günther K,Reck T,Papadopoulos T,Hahn EG,Hohenberger W

doi

10.1159/000067772

subject

Has Abstract

pub_date

2003-01-01 00:00:00

pages

131-8

issue

eissn

0030-2414

issn

1423-0232

pii

67772

journal_volume

pub_type

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Neoadjuvant treatment with weekly high-dose 5-Fluorouracil as 24-hour infusion, folinic acid and oxaliplatin in patients with primary resectable liver metastases of colorectal cancer.