ArticleMycopathologia2012
Broth microdilution and time-kill testing of Caspofungin, voriconazole, amphotericin B and their combinations against clinical isolates of Candida krusei.
Article in Mycopathologia, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
2 citing papers in PubMed, 7 citations in OpenAlex.
- Techniques for the Assessment of In Vitro and In Vivo Antifungal Combinations.Journal of fungi (Basel, Switzerland) · 2021Review
- Head-to-head comparison of inhibitory and fungicidal activities of fluconazole, itraconazole, voriconazole, posaconazole, and isavuconazole against clinical isolates of Trichosporon asahii.Antimicrobial agents and chemotherapy · 2013Article
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Authors and funding
3 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Treatment of invasive Candida krusei infections can be difficult due to its intrinsic fluconazole resistance and its reduced susceptibility to amphotericin B and flucytosine. Caspofungin (CAS) acts on a different cellular target, and its combination with voriconazole (VOR) or amphotericin B (AmB) appears promising. We evaluated the activity of CAS, VOR and AmB alone and in combination at 1/4, 1, 4xMIC concentrations by time-kill method against 30 C. krusei isolates. All isolates were susceptible to CAS and VOR; AmB MICs were 2 μg/ml for 50% of isolates by broth microdilution. CAS showed a fast killing activity at all concentrations; it was fungistatic at 1/4xMICs and fungicidal at 1-4xMICs in general. VOR displayed a concentration-independent fungistatic activity against all isolates. AmB exhibited a concentration-dependent activity; it was fungistatic at 1/4-1xMIC and fungicidal at 4xMIC. The most common interaction was indifference for both combinations. Frequency of synergic interaction for the VOR + CAS combination was 66.7% at 1/4xMIC after 48 h. The best results for CAS + AmB combination were obtained at 4xMIC in the first 4-8 h; synergic interaction was detected for 20 isolates (66.7%) at 4xMIC after 4 h. Consequently, VOR and CAS alone have been found effective, and high AmB MICs are remarkable against clinical C. krusei isolates in vitro. The combinations of CAS with VOR or AmB have exhibited promising results.
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