We evaluated the frequency of invasive fungal infections (IFI), the frequency of empirical antifungal use (EAFU), and the efficacy of fluconazole prophylaxis on IFI and EAFU after high-dose cytarabine (HiDAC) consolidations. Twenty-seven acute myelogenous leukemia patients in their first complete remission received 76 cycles of HiDAC (median cycle: n = 3). Fluconazole prophylaxis was administered following 44 cycles (fluconazole group) and not given in 32 cycles (control group). IFI (2 episodes) + EAFU (11 episodes) was observed in 13 of 76 cycles (17%); there was no difference between the fluconazole group and the control group (p = 0.469). Neutropenia duration was <13 days in 89% of the 76 cycles and was similar in the fluconazole and control groups (p = 0.845). Neutropenic fever was observed in 34 of the 76 cycles (45%) and was similar in the fluconazole group and the control group (p = 0.43). Although HiDAC cycle 1 was associated with a shorter neutropenia duration, there was no association between HiDAC cycle numbers and neutropenic fever or IFI + EAFU. HiDAC consolidations resulted in a high rate of neutropenic fever, the lack of an appreciable benefit from EAFU, and rare IFI. Most likely because of the low incidence of IFI, use of fluconazole or another antifungal is not warranted in this setting.

Keywords:
Antifungal prophylaxis, Fluconazole, High-dose cytarabine, Invasive fungal infections, Acute myelogenous leukemia
© 2010 S. Karger AG, Basel
2010
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