Journal Article

Activity of posaconazole in the treatment of central nervous system fungal infections

Punnee Pitisuttithum, Ricardo Negroni, John R. Graybill, Beatriz Bustamante, Peter Pappas, Stanley Chapman, Roberta S. Hare and Catherine J. Hardalo

in Journal of Antimicrobial Chemotherapy

Published on behalf of British Society for Antimicrobial Chemotherapy

Volume 56, issue 4, pages 745-755
Published in print October 2005 | ISSN: 0305-7453
Published online August 2005 | e-ISSN: 1460-2091 | DOI: http://dx.doi.org/10.1093/jac/dki288
Activity of posaconazole in the treatment of central nervous system fungal infections

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Objectives: A multinational, multicentre, open-label clinical trial was conducted to evaluate the safety and efficacy of posaconazole, an extended-spectrum triazole antifungal agent, in subjects with invasive fungal infections who had refractory disease or who were intolerant of standard antifungal therapy. In this subanalysis, we report on those subjects in this trial who had a fungal infection that involved the CNS.

Methods: Subjects received posaconazole oral suspension 800 mg/day in divided doses for up to 1 year; however, subjects could receive additional therapy as part of a treatment-use extension protocol. A blinded, third-party data review committee determined subject eligibility and outcome.

Results: Of the 330 subjects who enrolled in the study, 53 had infections of the CNS, of which 39 were considered evaluable for efficacy. Most had refractory disease (37 of 39) and underlying HIV infection (29 of 39). Twenty-nine subjects had cryptococcal infections, and 10 had infections caused by other fungal pathogens [Aspergillus spp. (four), Pseudallescheria boydii (two), Coccidioides immitis (one), Histoplasma capsulatum (one), Ramichloridium mackenziei (one), and Apophysomyces elegans plus a Basidiomycetes sp. (one)]. Successful outcomes were observed in 14 of 29 (48%) subjects with cryptococcal meningitis and five of 10 (50%) subjects with CNS infections due to other fungal pathogens. Posaconazole was well tolerated.

Conclusions: These data suggest that posaconazole, as an oral medication, has clinical activity against fungal infections of the CNS and may provide a valuable alternative to parenteral therapy in patients failing existing antifungal agents.

Keywords: salvage treatment; cryptococcal infections; triazoles; invasive

Journal Article.  6768 words. 

Subjects: Medical Oncology ; Critical Care

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