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Clin Infect Dis. 1995 Sep;21(3):561-4.

Transmission of fluconazole-resistant Candida albicans between patients with AIDS and oropharyngeal candidiasis documented by pulsed-field gel electrophoresis.

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Department of Pathology, University of Texas Health Science Center, San Antonio 78284-7750, USA.


Electrophoretic karyotype and restriction endonuclease analysis of genomic DNA were used for the typing of nine isolates of Candida albicans from the oral cavities of two patients with AIDS--a husband and wife--whose infections became resistant to treatment with fluconazole (400 mg/d). The in vitro susceptibilities of sequential isolates to fluconazole and two other triazoles, itraconazole and the investigational drug D0870, were also evaluated. DNA analysis showed that the isolates responsible for fluconazole-resistant episodes of oropharyngeal candidiasis in the two patients were genetically related. In vitro susceptibility to fluconazole correlated well with clinical outcome. Although the minimal inhibitory concentrations of itraconazole and D0870 for fluconazole-resistant isolates were higher than those for fluconazole-susceptible isolates, both of the former triazoles exhibited good in vitro activity against the isolates tested.

[Indexed for MEDLINE]

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