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  • Title: Irinotecan plus weekly 5-fluorouracil and leucovorin as salvage treatment for patients with metastatic colorectal cancer: a phase II trial.
    Author: Souglakos J, Vardakis N, Androulakis N, Kakolyris S, Kourousis C, Mavroudis D, Pallis A, Agelaki S, Kalbakis K, Georgoulias V.
    Journal: Dig Dis; 2007; 25(1):100-5. PubMed ID: 17384515.
    Abstract:
    BACKGROUND: A phase II study was conducted to evaluate the toxicity and efficacy of irinotecan/5-fluorouracil/leucovorin (CPT-11/5-FU/LV (AIO schedule)) as salvage treatment in patients with metastatic colorectal cancer. PATIENTS AND METHODS: 33 patients relapsing after oxaliplatin (L-OHP)-based first-line chemotherapy were enrolled. Their median age was 69 years, 20 (61%) patients were male, and performance status (WHO) was 0, 1, and 2 in 15, 16 and 2 patients respectively; prior surgery 20 (61%) patients; adjuvant chemotherapy 11 (33%) patients, and adjuvant radiotherapy 6 (18%) patients. The number of metastatic sites was 1, 2, and > or =3 in 11, 11, and 11 patients, respectively. CPT-11 was administered on day 1 at the dose of 80 mg/m(2) in 30-90 min infusion and LV (500 mg/m(2)) on the same day as a 2-hour infusion followed by 5-FU (2,600 mg/m(2)/day) as a 22-hour infusion on day 1 for 6 subsequent weeks. The regimen was repeated every 7 weeks. RESULTS: All patients were evaluable for toxicity and for response. Complete response was achieved in 2 patients (6%) and partial response in 4 patients (12%) (RR 18%, CI 5.95-35.43%); 13 patients (40%) had stable disease, and 14 (42%) progressive disease. After a median follow-up period of 9 months, the median duration of response was 5 months, the median time to progression 7.5 months, and OS 14 months. Grade 3-4 neutropenia occurred in 13 patients (39%), febrile neutropenia in 3 (9%), grade 2 anemia in 11 (33%), grade 4 thrombocytopenia in 1 (3%). Grade 3-4 diarrhea occurred in 12 patients (36%), grade 3-4 neurotoxicity in 3 (9%), and grade 3 asthenia in 4 (12%). No treatment-related deaths occurred. The median dose intensity was 85% for CPT-11, and 88% for 5-FU and LV. CONCLUSIONS: The combination of weekly CPT-11 and infusional 5-FU/LV is an active and relatively well-tolerated regimen as salvage treatment in MCC.
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