Antifungal resistance: current trends and future strategies to combat

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2017
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Abstract
Antifungal resistance: current trends and future strategies to combat Nathan P Wiederhold Department of Pathology and Laboratory Medicine, Fungus Testing Laboratory, University of Texas Health Science Center at San Antonio, San Antonio, TX, USA Abstract: Antifungal resistance represents a major clinical challenge to clinicians responsible for treating invasive fungal infections due to the limited arsenal of systemically available antifungal agents. In addition current drugs may be limited by drug–drug interactions and serious adverse effects/toxicities that prevent their prolonged use or dosage escalation. Fluconazole resistance is of particular concern in non-Candida albicans species due to the increased incidence of infections caused by these species in different geographic locations worldwide and the elevated prevalence of resistance to this commonly used azole in many institutions. C. glabrata resistance to the echinocandins has also been documented to be rising in several US institutions, and a higher percentage of these isolates may also be azole resistant. Azole resistance in Aspergillus fumigatus due to clinical and environmental exposure to this class of agents has also been found worldwide, and these isolates can cause invasive infections with high mortality rates. In addition, several species of Aspergillus, and other molds, including Scedosporium and Fusarium species, have reduced susceptibility or pan-resistance to clinically available antifungals. Various investigational antifungals are currently in preclinical or clinical development, including several of them that have the potential to overcome resistance observed against the azoles and the echinocandins. These include agents that also target ergosterol and b-glucan biosynthesis, as well as compounds with novel mechanisms of action that may also overcome the limitations of currently available antifungal classes, including both resistance and adverse effects/toxicity. Keywords: azoles, echinocandins, Aspergillus, Candida albicans, investigational antifungals, non-albicans Candida species, acquired resistance, intrinsic resistance, Candida auris
Reference Key
nathan2017antifungalinfection Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Nathan P Wiederhold and
Journal Infection and drug resistance
Year 2017
DOI
10.2147/IDR.S124918
URL
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