Manogepix (APX001A) Displays Potent <i>In Vitro</i> Activity against Human Pathogenic Yeast, but with an Unexpected Correlation to Fluconazole MICs

Abstract

Manogepix (APX001A) is the active moiety of the novel drug candidate fosmanogepix (APX001). We previously reported the broad-spectrum activity of manogepix but also observed a correlation between increased manogepix and fluconazole MICs. Here, we extended this study and included isolates with acquired fluconazole resistance. Isolates ( n = 835) were identified using CHROMagar, matrix-assisted laser desorption ionization–time of flight mass spectrometry (MALDI-TOF MS), and, when needed, internal transcribed spacer (ITS) sequencing.

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