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

Maricel Subirà, Rodrigo Martino, Lucia Gómez, Josep María Martí, Cristina Estany, Jorge Sierra

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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. © Blackwell Munksgaard 2004.
Original languageEnglish
Pages (from-to)342-347
JournalEuropean Journal of Haematology
Volume72
Issue number5
DOIs
Publication statusPublished - 1 May 2004

Keywords

  • ABLC
  • Amphotericin B
  • Antifungal therapy
  • Hematologic malignancy
  • Neutropenic fever

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