Binayak Rimal, Ruth A Howe, Chandra M Panthi, Wen Wang, Gyanu Lamichhane
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Oral oxaborole MRX-5 exhibits efficacy against pulmonary Mycobacterium abscessus in mouse.
Mycobacterium abscessus (Mab) is an opportunistic pathogen common in patients with lung comorbidities and immunosuppression. There are no FDA-approved treatments, and current treatment has a failure rate exceeding 50%. The intravenous oxaborole MRX-6038 is active against Mab. This study evaluated MRX-5, the oral prodrug, against five Mab isolates in a mouse lung infection model. MRX-5 showed dose-dependent efficacy, with 15 and 45 mg/kg doses comparable to the standard of care, supporting progression to clinical trial.
期刊介绍：
Antimicrobial Agents and Chemotherapy (AAC) features interdisciplinary studies that build our understanding of the underlying mechanisms and therapeutic applications of antimicrobial and antiparasitic agents and chemotherapy.
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