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  • Title: Cardioprotection with ICRF-187 (Cardioxane) in patients with advanced breast cancer having cardiac risk factors for doxorubicin cardiotoxicity, treated with the FDC regimen.
    Author: Jelić S, Radulović S, Nesković-Konstantinović Z, Kreacić M, Ristović Z, Bosnjak S, Milanović N, Vuletić L.
    Journal: Support Care Cancer; 1995 May; 3(3):176-82. PubMed ID: 7655778.
    Abstract:
    A study of cardioprotection with ICRF-187 (Cardioxane, Eurocetus) has been performed in 35 patients with metastatic breast cancer treated with the FDC regimen (5-fluorouracil 500 mg/m2 i.v., day 1; doxorubicin 50 mg/m2 i.v., day 1; cyclophosphamide 500 mg/m2 i.v., day 1). All patients had one or more cardiac risk factors for doxorubicin cardiotoxicity including 24 who had previously received left-chest-wall irradiation. Cardioxane was applied at a dosage of 1000 mg/m2 as a 15-min infusion in Ringer lactate solution 30 min before doxorubicin administration. Cardiological monitoring included left-ventricular ejection fraction (LVEF) determination by echocardiography before treatment and before each cycle following the cumulative doxorubicin dose of 200 mg/m2. Of the 35 patients, 34 were evaluable fore response, and the overall response rate was 19/34 (56%) with 3/34 complete responses and 16/34 partial responses. Statistical analysis of LVEF values in relation to increasing cumulative doxorubicin doses with Wilcoxon's test of equivalent pairs and Friedman's test has demonstrated that no cardiotoxicity was detected up to a cumulative doxorubicin dose of between 800 mg/m2 and 1000 mg/m2, except for 2 patients in whom a decrease of 20% in relation to the LVEF pretreatment level was demonstrated following a cumulative drug dose of 250 mg/m2. Thus Cardioxane provides an effective cardioprotection even in breast cancer patients with cardiac risk factors for doxorubicin cardiotoxicity treated with the FDC regimen.
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