Comparison of drug-susceptibility patterns and gene sequences associated with clarithromycin and azithromycin resistance in Mycobacterium abscessus complex isolates and evaluation of the accumulation of intrinsic macrolide resistance.

Abstract excerpt

Introduction. Mycobacterium abscessus complex (MABC) is an infectious agent associated with macrolide resistance and treatment failure.Hypothesis/Gap Statement. Despite drug-susceptibility testing for MABC isolates including clarithromycin (CAM), long-term treatment with azithromycin (AZM) for MABC disease is recommended.Aim. We compared phenotypic and genotypic resistance to AZM and CAM in clinical isolates and...

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