Journal of Clinical Oncology, Vol 21, Issue 24
(December), 2003: 4615-4626
© 2003 American Society for Clinical Oncology
Itraconazole Prevents Invasive Fungal Infections in Neutropenic Patients Treated for Hematologic Malignancies: Evidence From a Meta-Analysis of 3,597 Patients
Axel Glasmacher,
Archibald Prentice,
Marcus Gorschlüter,
Steffen Engelhart,
Corinna Hahn,
Benjamin Djulbegovic,
Ingo G.H. Schmidt-Wolf
From the Department of Internal Medicine I and Institute for Hygiene and Public Health, University of Bonn, Bonn, Germany; DCL Haematology, Derriford Hospital, Plymouth, United Kingdom; and the Department of Interdisciplinary Oncology, H. Lee Moffitt Cancer Center & Research Institute, University of South Florida, Tampa, FL.
Address reprint requests to Axel Glasmacher, MD, PhD, Department of Internal Medicine I, University of Bonn, 53105 Bonn, Germany; e-mail: glasmacher{at}uni-bonn.de
Purpose: Efficacy of antifungal prophylaxis has not yet been convincingly proven in numerous trials of various antifungals. New evidence and the anti-Aspergillus efficacy of itraconazole prompted a new look at the data for the prevention of invasive fungal infections.
Patients and Methods: Randomized, controlled studies with itraconazole for antifungal prophylaxis in neutropenic patients with hematologic malignancies were identified from electronic databases and hand searching.
Results: Thirteen randomized trials included 3,597 patients who were assessable for invasive fungal infections. Itraconazole reduced the incidence of invasive fungal infection (mean relative risk reduction, 40% ± 13%; P = .002), the incidence of invasive yeast infections (mean, 53% ± 19%; P = .004) and the mortality from invasive fungal infections (mean, 35% ± 17%; P = .04) significantly. The incidence of invasive Aspergillus infections was only reduced in trials using the itraconazole cyclodextrine solution (mean, 48% ± 21%; P = .02) and not itraconazole capsules (mean, 75% ± 73% increase; P = .3). The overall mortality was not changed. Adverse effects were rare, hypokalemia was noted in three studies, and a higher rate of drug discontinuation was found in trials that compared itraconazole cyclodextrine solution to a control without cyclodextrine. The effect of prophylaxis was clearly associated with a higher bioavailable dose of itraconazole.
Conclusion: Antifungal prophylaxis with itraconazole effectively prevents proven invasive fungal infections andshown for the first time for antifungal prophylaxisreduces mortality from these infections and the rate of invasive Aspergillus infections in neutropenic patients with hematologic malignancies. Adequate doses of the oral cyclodextrine solution (at least 400 mg/d) or IV formulations (200 mg/d) of itraconazole are necessary for these effects.
Supported in part by Ortho-Biotech Ltd. (division of Janssen-Cilag, Neuss, Germany) and by Leukaemie-Initiative Bonn.
Presented in part at the Interscience Conference on Antimicrobial Agents and Chemotherapy, Chicago, IL, December 1619, 2001; the American Society of Hematology meeting, Philadelphia, PA, December 610, 2002; and the 29th Annual Meeting of the European Group for Blood and Marrow Transplantation, July 2023, 2003.

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