Repurposing Thiram and Disulfiram as Antibacterial Agents for Multidrug-Resistant Staphylococcus aureus Infections

Author:

Long Timothy E.1

Affiliation:

1. Department of Pharmaceutical Science and Research, School of Pharmacy, and Department of Biomedical Sciences, Joan C. Edwards School of Medicine, Marshall University, Huntington, West Virginia, USA

Abstract

ABSTRACT Thiram and disulfiram were evaluated as antibacterial agents against multidrug-resistant Staphylococcus aureus . Against a 30-member panel comprised of vancomycin-susceptible, vancomycin-intermediate, and vancomycin-resistant S. aureus strains, the MIC 90 values of the respective test agents were 4 and 16 μg/ml. Additional analyses revealed that thiram and disulfiram are rapid-acting bacteriostatic agents with narrow, Gram-positive-bacterium spectrum activity. Synergy studies further determined that disulfiram increases the vancomycin susceptibility of three clinical vancomycin-resistant S. aureus strains in vitro , thus establishing a potential use in combination therapy.

Publisher

American Society for Microbiology

Subject

Infectious Diseases,Pharmacology (medical),Pharmacology

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