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  • Title: Low-dose amphotericin B lipid complex vs. conventional amphotericin B for empirical antifungal therapy of neutropenic fever in patients with hematologic malignancies--a randomized, controlled trial.
    Author: Subirà M, Martino R, Gómez L, Martí JM, Estany C, Sierra J.
    Journal: Eur J Haematol; 2004 May; 72(5):342-7. PubMed ID: 15059069.
    Abstract:
    BACKGROUND: Conventional amphotericin B (c-AmB) remains the empirical antifungal treatment of choice for neutropenic patients with persistent fever of unknown origin (FUO). Unfortunately, empirical treatment with c-AmB is hampered by its safety profile, with frequent infusion-related adverse events (IRAEs) and renal toxicity. Amphotericin B lipid complex (ABLC) has been investigated for this indication due to its low toxicity profile. The recommended dose of ABLC is 5 mg/kg/d, which is five to seven times higher than the recommended dose of c-AmB. METHODS: This randomized, controlled trial includes 105 adult patients with hematologic malignancies and with FUO after receiving chemotherapy or autologous stem cell transplantation. Patients were randomly allocated to receive ABLC at 1 mg/kg/d or c-AmB at 0.6 mg/kg/d for empirical antifungal therapy. RESULTS: The incidence of renal toxicity was significantly lower in the ABLC group, compared with c-AmB group: 8% vs. 32%, respectively (P = 0.003). The rates of IRAEs were similar in both groups (73% for ABLC vs. 77% for c-AmB). The overall response rate was 72% for ABLC compared with 48% for c-AmB (P = 0.018). This difference was mainly due to the significantly higher renal toxicity in the c-AmB group. The number of emergent fungal infections and overall mortality were similar in both groups. CONCLUSIONS: This randomized trial suggests that ABLC at 1 mg/kg/d produces less nephrotoxicity than c-AmB, without differences in the incidence of IRAEs and with similar efficacy.
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