Verapamil Improves the Activity of Bedaquiline against Mycobacterium abscessus In Vitro and in Macrophages.

American Society for Microbiology
Publication Type:
Journal Article
Antimicrobial agents and chemotherapy, 2019, 63, (9)
Issue Date:
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Due to intrinsic multidrug resistance, pulmonary infections with Mycobacterium abscessus are extremely difficult to treat. Previously, we demonstrated that bedaquiline is highly effective against Mycobacterium abscessus both in vitro and in vivo Here, we report that verapamil improves the efficacy of bedaquiline activity against M. abscessus clinical isolates and low-level resistant strains, both in vitro and in macrophages. Verapamil may have clinical potential as adjunctive therapy provided that sufficiently high doses can be safely achieved.
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