Clinical failure of an extended-pulsed fidaxomicin regimen associated with emergence of a Clostridioides difficile isolate with reduced fidaxomicin susceptibility in an elderly man. (journals.asm.org)

Authors: Kaple CE … Donskey CJ Journal: Antimicrobial Agents and Chemotherapy Published: 2026-05-04 DOI: https://doi.org/10.1128/aac.00130-26