In vitro susceptibility of chromoblastomycosis and phaeohyphomycosis agents to antifungal drugs

The in vitro susceptibility of chromoblastomycosis and phaeohyphomycosis agents to antifungal drugs was appraised using the reference macrodilution method proposed by the National Committee for Clinical Laboratory Standards (NCCLS) for yeasts modified for filamentous fungi. The antifungal drugs amph...

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Veröffentlicht in:Medical mycology (Oxford) 1999-12, Vol.37 (6), p.405-409
Hauptverfasser: CALIGIORNE, R. B., RESENDE, M. A., MELILLO, P. H. C., PELUSO, C. P., CARMO, F. H. S., AZEVEDO, V.
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container_end_page 409
container_issue 6
container_start_page 405
container_title Medical mycology (Oxford)
container_volume 37
creator CALIGIORNE, R. B.
RESENDE, M. A.
MELILLO, P. H. C.
PELUSO, C. P.
CARMO, F. H. S.
AZEVEDO, V.
description The in vitro susceptibility of chromoblastomycosis and phaeohyphomycosis agents to antifungal drugs was appraised using the reference macrodilution method proposed by the National Committee for Clinical Laboratory Standards (NCCLS) for yeasts modified for filamentous fungi. The antifungal drugs amphotericin B, 5-fluorocytosine, itraconazole and fluconazole were tested against one environmental and 18 clinical isolates. This work amended the macrodilution methods proposed by NCCLS and suggests that a conidial suspension free of hyphae leads to a more reliable assay and provides for better reproducibility. The macrodilution method was performed with 10(4) conidia ml-1. The MIC values ranged from 1.0 to 16.0 micrograms ml-1 for amphotericin B and 3.12 to 25.0 micrograms ml-1 for 5-fluorocytosine. A MIC range of 0.06 to 1.95 micrograms ml-1 was determined for itraconazole while 2.0 to 64.0 micrograms ml-1 was detected for fluconazole.
doi_str_mv 10.1046/j.1365-280X.1999.00245.x
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source MEDLINE; Oxford University Press Journals All Titles (1996-Current); Access via Taylor & Francis; EZB-FREE-00999 freely available EZB journals
subjects Antibiotics. Antiinfectious agents. Antiparasitic agents
Antifungal agents
Antifungal Agents - pharmacology
Biological and medical sciences
Chromoblastomycosis - microbiology
Fluconazole - pharmacology
Flucytosine - pharmacology
Fungi - drug effects
Humans
Itraconazole - pharmacology
Medical sciences
Microbial Sensitivity Tests
Pharmacology. Drug treatments
title In vitro susceptibility of chromoblastomycosis and phaeohyphomycosis agents to antifungal drugs
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