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In vitro interactions of amantadine hydrochloride, R-(-)-deprenyl hydrochloride and valproic acid sodium salt with antifungal agents against filamentous fungal species causing central nervous system infection.
MedLine Citation:
PMID:  23134606     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
The mortality rates of fungal infections that affect the central nervous system are high in consequence of the absence of effective antifungal drugs with good penetration across the blood-brain barrier and the blood-cerebrospinal fluid barrier. In the present work in vitro antifungal activities of three good penetrating non-antifungal drugs (amantadine hydrochloride, R-(-)-deprenyl hydrochloride, valproic acid sodium salt) and their combinations with three antifungal agents (amphotericin B, itraconazole, terbinafine) were tested with broth microdilution method against eight fungal isolates belonging to Zygomycetes (Lichtheimia corymbifera, Rhizomucor miehei, Rhizopus microsporus var. rhizopodiformis, Saksenaeavasiformis) and Aspergillus genus (A. flavus, A. fumigatus, A. nidulans, A. terreus). These are known to be possible agents of central nervous fungal infections (CNFI). When used alone, the investigated nonantifungal drugs exerted slight antifungal effects. In their combinations with antifungal agents they acted antagonistically, additively and synergistically against zygomyceteous isolates. Primarily antagonistic interactions were revealed between the investigated drugs in case of Aspergilli, but additive and synergistic interactions were also observed. The additive and synergistic combinations allowed the usage of reduced concentrations of antifungal agents to inhibit the fungal growth in our study. These combinations would be a basis of an effective, less toxic therapy for treatment of CNFI.
Authors:
L Galgóczy; Liliána Tóth; M Virágh; T Papp; Cs Vágvölgyi
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Acta biologica Hungarica     Volume:  63     ISSN:  0236-5383     ISO Abbreviation:  Acta. Biol. Hung.     Publication Date:  2012 Dec 
Date Detail:
Created Date:  2012-11-08     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8404358     Medline TA:  Acta Biol Hung     Country:  Hungary    
Other Details:
Languages:  eng     Pagination:  490-500     Citation Subset:  IM    
Affiliation:
University of Szeged Department of Microbiology, Faculty of Science and Informatics Szeged Hungary.
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