Fungicidal Activity of Azole Antifungal Agents

ISSN: 2211-3533 (Online)
ISSN: 2211-3525 (Print)


Volume 14, 2 Issues, 2016


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Anti-Infective Agents

Formerly: Anti-Infective Agents in Medicinal Chemistry

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Fungicidal Activity of Azole Antifungal Agents



Anti-Infective Agents, 7(2): 118-125.

Author(s): L. Majoros and G Kardos.

Affiliation: Dept. of Medical Microbiology,University of Debrecen, 4032 Debrecen, Nagyerdei krt. 98., Hungary.

Abstract

Treatment of invasive fungal infections with fungicidal antifungal agents is desirable in some clinical situations, particularly in the immunocompromised. However, there are a limited number of fungicidal drugs and most have undesirable side effects. Applicability of amphotericin B and its different lipid formulations is hampered by toxicity and the relatively low attainable serum concentration (not more than 1 μg/ml). Echinocandin antifungals (caspofungin, micafungin and anidulafungin) have a relatively narrow spectrum (Candida and some Aspergillus species), moreover, they are fungistatic against Aspergillus. The newer triazoles (voriconazole and posaconazole) offer broad spectrum of activity against pathogenic yeasts and moulds. Several recent studies described species dependent fungicidal activity of both voriconazole and posaconazole in vitro. These results are supported by results from animal models. This fungicidal activity has been thought to be confined to moulds only, but recent in vitro findings suggest that they exert fungicidal action against certain yeast species as well. Present work focuses on the fungistatic and fungicidal effect of azole antifungals against yeast and moulds, concentrating in particular on voriconale and posaconazole.

Keywords:

Fungicidal action, triazoles, minimal fungicidal concentration, time-kill method, animal models.



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Article Details

Volume: 7
Issue Number: 2
First Page: 118
Last Page: 125
Page Count: 8
DOI: 10.2174/187152108783954623
Price: $58
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