Micafungin concentrations in plasma and burn eschar after daily intravenous infusion (1 h) of micafungin (200 to 300 mg) were investigated for six patients with severe burns. Micafungin treatment was initiated more than 72 h after the burn injuries. The peak and trough levels in the plasma after the initial administration and repeated administrations for more than 4 days were comparable with or slightly lower than the reported values for healthy volunteers. Micafungin concentrations in the plasma and burn eschar were between 3.6 and >1,000 times higher than the reported MIC90s of micafungin against clinically important Candida and Aspergillus species.
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