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  • Title: Initiation of epoetin-alpha therapy at a starting dose of 120,000 units once every 3 weeks in patients with cancer receiving chemotherapy: an open-label, multicenter study with randomized and nonrandomized treatment arms.
    Author: Glaspy JA, Charu V, Luo D, Moyo V, Kamin M, Wilhelm FE.
    Journal: Cancer; 2009 Mar 01; 115(5):1121-31. PubMed ID: 19170225.
    Abstract:
    BACKGROUND: Epoetin-alpha initiated once weekly, followed by once-every-3-weeks maintenance, was effective and well tolerated for chemotherapy-induced anemia. This study evaluated a starting dose of epoetin-alpha 120,000 U once every 3 weeks for chemotherapy-induced anemia using early and late initiation regimens. METHODS: Patients with baseline hemoglobin 11.0-12.0 g/dL were randomly assigned to early intervention with immediate epoetin-alpha (n = 68) or to standard intervention with epoetin-alpha when hemoglobin decreased to <11 g/dL (n = 68). A third group of patients with baseline hemoglobin <11 g/dL (n = 50) were enrolled but not randomized; epoetin-alpha was initiated immediately. The primary endpoint was mean proportion of hemoglobin values within the target range (11.0-13.0 g/dL) among randomized patients. RESULTS: The mean proportion of hemoglobin values in range through week 16 was 60% in each randomized group. Mean hemoglobin by week showed similar increases over the study. Blood transfusions were administered in 9%, 8%, and 24% of patients in the early, standard, and nonrandomized groups. Mean epoetin-alpha doses were similar between treatment groups. Dose reductions and withholds were more common in the early intervention group. Adverse events (eg, diarrhea, fatigue, nausea) were consistent with the safety profile for epoetin-alpha . Clinically relevant thrombotic vascular events (regardless of relationship to study treatment) were reported for 9%, 12%, and 12% of patients in the early, standard, and nonrandomized groups. CONCLUSIONS: Early and standard intervention with epoetin-alpha, administered once every 3 weeks, increased and maintained hemoglobin levels within 11.0-13.0 g/dL in patients with chemotherapy-induced anemia.
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