Efficacy and improved resistance potential of a cofactor-independent InhA inhibitor of Mycobacterium tuberculosis in a C3HeB/FeJ mouse model [Experimental Therapeutics]

AN12855 is a direct, cofactor-independent inhibitor of InhA in Mycobacterium tuberculosis. In the C3HeB/FeJ mouse model with caseous necrotic lung lesions, AN12855 proved efficacious with a significantly lower resistance frequency compared to isoniazid. AN12855 drug levels were better retained in necrotic lesions and caseum where the majority of hard to treat, extracellular bacilli reside. Owing to these combined attributes, AN12855 represents a promising alternative to the frontline anti-tuberculosis agent isoniazid.

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