• Charalambos Kouroussis, John Souglakos, Dimitris Mavroudis, Savvakis Papadouris, Stylianos Kakolyris, Sophia Agelaki, Kostas Kalbakis, Christos Panopoulos, Nikos Vardakis, Evanthia Sarra, and Vassilis Georgoulias.
• Department of Medical Oncology, University General Hospital of Heraklion, Crete, Greece.
• Am. J. Clin. Oncol. 2002 Dec 1; 25 (6): 627-31.

AbstractThe purpose of this study was to evaluate the efficacy and tolerance of the bimonthly administration of oxaliplatin in combination with high-dose leucovorin and infusional 5-fluorouracil (5-FU) (FOLFOX2 regimen) in patients with advanced colorectal cancer (ACC) who did not respond or whose disease progressed within 3 months after front-line treatment with CPT-11-containing regimens. Forty-one patients with ACC who did not respond or whose disease progressed after front-line treatment with CPT-11 + 5-FU/leucovorin were enrolled. Oxaliplatin was administered at the dose of 100 mg/m2 on day 1 as a 2-hour infusion simultaneously but through different lines with leucovorin (500 mg/m2 on days 1 and 2); 5-FU was given at the dose of 1,750 mg/m2/d as a 22-hour continuous intravenous infusion on days 1 and 2. The regimen was repeated every 2 weeks. In an intention-to-treat analysis, complete response was achieved in one (2.4%) and partial response in six (14.6%) patients (overall response rate: 17%; 95% CI: 5.56-28.59%); stable disease and progressive disease were observed in 15 (36.6%) and in 19 (46.31%) patients, respectively. The median duration of response and the median time to tumor progression were 6 and 8.5 months, respectively. The median overall survival was 12 months and the probability for 1-year survival was 42.9%. Grade III/IV neutropenia occurred in 17 (41%) patients and febrile neutropenia developed in one of them (2%). There was no treatment-related death. Peripheral neuropathy greater than or equal to grade II occurred in 24 (58%) patients. Other toxicities were relatively mild. The bimonthly administration of oxaliplatin in combination with high-dose leucovorin and 48-hour continuous infusion of 5-FU is a relatively active and well-tolerated regimen for patients with ACC resistant or refractory to CPT-11 + 5-FU (continuous infusion)/leucovorin.

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