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  • 1
    ISSN: 1573-7217
    Keywords: breast cancer ; epirubicin
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract In order to better explore the toxicity and the activity of high dose epirubicin (120 mg/m2, 3 weeks) we analyzed a population of 127 metastatic breast cancer patients, treated in a randomized clinical trial conducted to evaluate the cardioprotective effect of dexrazoxane against epirubicin induced cardiotoxicity. All the patients had a diagnosis of metastatic breast cancer, an ECOG performance status ≥2 and normal hematologic, renal, hepatic and cardiac function. No prior adjuvant chemotherapy including anthracycline was allowed. Epirubicin was given at the dose of 120 mg/m2 i.v. bolus every 3 weeks. One hundred twenty five patients were evaluable for toxicity and response. Seventeen patients (11%) had a complete response and 47 patients (37%) a partial response, for an overall response rate of 48%. The median progression free and overall survivals were 8.3 months and 18.3 months, respectively. Grade 3 and 4 leukopenia were observed in 8% and 7% of the patients, respectively. The most frequent nonhematological grade 3 toxicities were alopecia (87%), nausea and vomiting (16%), and mucositis (8%). Cardiotoxicity, defined as occurrence of congestive heart failure, decrease in resting left ventricular ejection fraction (L-VEF) to ≥45, or 20 EF units decrease from baseline L-VEF, was observed in 19% of the patients, after a median cumulative dose of epirubicin of 720 mg/m2 (range 120–1440). This study confirms in a large series of patients the activity of high dose epirubicin; however, the high incidence of cardiotoxicity requires a careful evaluation of cardiac risk factors before treatment.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1573-7217
    Keywords: epirubicin/vinorelbine combination chemotherapy ; metastatic breast cancer
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract This study was aimed at investigating the toxicity and activity of the combination epirubicin and vinorelbine in chemotherapy-naive patients with metastatic breast cancer. Fifty-one patients with measurable or evaluable metastatic breast cancer entered the study. The regimen consisted of epirubicin 90 mg/m2 as a slow i.v. infusion on day 1, followed by vinorelbine 25 mg/m2 by 30-minute intravenous infusion on days 1 and 8; the courses were repeated every 21 days for a maximum of 8 cycles. All the patients were assessable for toxicity and 47 were evaluable for response according to the World Health Organization (WHO) criteria. Objective responses were observed in 33 out of 47 evaluable patients (70.2%; 95% C.I. 55.1%–82.6%) with 4 complete (8.5%) and 29 partial responses (61.7%); 11 patients had stable disease (23.4%) and 3 patients progressed while on treatment. The median time to progression was 10 months (range 1 − 21) and the median overall survival was 23 months (range 2 − 32+). Neutropenia was the most frequent toxicity: a grade 4 neutropenia (WHO) was reported in 70% of 252 courses with a median duration of 3 days (range 1–6). Seventeen episodes of febrile neutropenia were observed but only 1 patient required hospital admission. Other hematologic toxicities were negligible. One patient experienced a paralytic ileus requiring hospitalization; no peripheral neuropathy such as muscle weakness or paresthesia was observed. No treatment-related cardiotoxicity was reported. The encouraging response rate achieved with epirubicin/vinorelbine, the easily manageable toxicities of the combination, and its feasibility in an outpatient setting make this combination worthy of further comparative trials with standard regimens.
    Type of Medium: Electronic Resource
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