Journal Article

Clinical Trials of Antifungal Prophylaxis among Patients in Surgical Intensive Care Units: Concepts and Considerations

Pamela A. Lipsett

in Clinical Infectious Diseases

Published on behalf of Infectious Diseases Society of America

Volume 39, issue Supplement_4, pages S193-S199
Published in print October 2004 | ISSN: 1058-4838
Published online October 2004 | e-ISSN: 1537-6591 | DOI: http://dx.doi.org/10.1086/421956
Clinical Trials of Antifungal Prophylaxis among Patients in Surgical Intensive Care Units: Concepts and Considerations

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Background.Fungal infections are important clinical infections in patients in surgical intensive care units. In some institutions, antifungal prophylaxis has become commonplace, and increasing resistance has been reported. However, trials of antifungal prophylaxis are hampered by difficulties in trial design, and the findings may not be generalizable.

Methods.Issues in clinical trial design are reviewed from existing and theoretical perspectives.

Results.Identification of a primary hypothesis with a sound epidemiological basis is essential. The study must include institutions where fungal infections have a high and well-studied incidence. A high-risk patient population should be identified and enrolled. The agent selected should have an appropriate spectrum, be easily delivered to the population selected, and be cost effective with few adverse events. At present, fluconazole appears to be the best agent for targeted prophylaxis. The primary end point of the study should be based on an easily measured outcome, for example, days free from fungal infection rather than death due to fungal infection.

Conclusions.Trials of antifungal prophylaxis for patients in surgical intensive care units have had problems in design, and several issues in the conceptual basis of future clincial trials must be addressed.

Journal Article.  5695 words.  Illustrated.

Subjects: Infectious Diseases ; Immunology ; Public Health and Epidemiology ; Microbiology

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