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He Sun, Xin Su and Yi Shi


Posaconazole (POS) is a new triazole drug with broad-spectrum in vitro activity against most yeasts and molds such as Candida, Cryptococcus neoformans, Aspergillus, Fusarium and Zygomycetes, as well as certain species of dimorphic fungi and endemic fungi. In immunocompetent or immunocompromised animal models with invasive fungal infections, POS has demonstrated highly effective, broad-spectrum antifungal activities. In vitro and in vivo antifungal activities of POS were superior to those of other azoles against Candida glabrata, Candida krusei, Aspergillus terrus, Fusarium and Zygomycetes. In vivo susceptibility studies have shown promising efficacy of POS against life-threatening fungal infections in animal models with different immune status and infection sites.