Mycobiology

  • 제31권2호
  • /
  • Pages.95-98
  • /
  • 2003
  • /
  • 1229-8093(pISSN)
  • /
  • 2092-9323(eISSN)
한국균학회 (The Korean Society of Mycology)
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In Vitro Antifungal Activities of Amphotericin B, Fluconazole, Itraconazole, Terbinafine, Caspofungin, Voriconazole, and Posaconazole against 30 Clinical Isolates of Cryptococcus neoformans var. neoformancs

  • Lee, Young-Ki (Seoul Government Research Institute of Public Health & Environment) ;
  • Fothergill, Annette W. (Fungus Testing Laboratory, Department of Pathology, The University of Texas Health Science Center at San Antonio)
  • 발행 : 2003.06.30
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초록

Aantifungal agents were tested against 30 clinical isolates of Cryptococcus neoformans var. neoformans using the NCCLS method(M27-A2). Posaconazole, itraconazole and amphotericin B had lower MIC than the remaining four antifungal agents. The MIC result for posaconazole was over 220-fold lower active than fluconazole. Fluconazole MICs for most isolates fell within the dose-dependant range. The overall MIC ranges and $MIC_{50}s$ were amphotericin B(0.03-0.25; 0.25), fluconazole(0.5-64; 16), itraconazole(0.015-1; 0.125), terbinafine(0.06->2; 1), caspofungin(8-32; 32), voriconazole(0.015-0.5; 0.25), and posaconazole(0.015-0.25; 0.06 ${\mu}g/ml$), respectively. In conclusion, the $MIC_{50}s$ of these drugs did not exhibit any sign of an upward shift with the exception of fluconazole and tendency cross-resistance between the seven drugs was not observed. We conclude that in vitro resistance to antifungal agents has not significantly changed despite the recent wide-spread use of triazoles for long-term treatment of Cryptococcal meningitis.

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참고문헌

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