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Combinations of antibiotics and nonantibiotic drugs enhance antimicrobial efficacy.

Ejim L, Farha MA, Falconer SB, Wildenhain J, Coombes BK, Tyers M, Brown ED, Wright GD

M.G. DeGroote Institute for Infectious Disease Research, McMaster University, Hamilton, Ontario, Canada.

Combinations of antibiotics are commonly used in medicine to broaden antimicrobial spectrum and generate synergistic effects. Alternatively, combination of nonantibiotic drugs with antibiotics offers an opportunity to sample a previously untapped expanse of bioactive chemical space. We screened a collection of drugs to identify compounds that augment the activity of the antibiotic minocycline. Unexpected synergistic drug combinations exhibited in vitro and in vivo activity against bacterial pathogens, including multidrug-resistant isolates.

Nat. Chem. Biol. 2011;7(6):348-50.

Pubmed ID: 21516114

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