Interactions of amphotericin B and SCH 39304 in the treatment of experimental murine candidiasis: lack of antagonism of a polyene-azole combination

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Abstract
Mice infected intravenously with Candida albicans were treated with SCH 39304, a new triazole antifungal compound, amphotericin B, or both. Two dose levels of each drug were evaluated in an attempt to identify potential helpful or harmful effects on survival and kidney colony counts. Contrary to theoretical predictions, combination therapy was not antagonistic and some additive or synergistic effects were observed. The results obtained in this study suggest that antagonism between polyene and azole antifungal drugs is not inevitable and that additive or synergistic effects may be possible.