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Dimercaptosuccinic acid in combination with carbapenems against isogenic strains of Escherichia coli producing or not producing a metallo-β-lactamase in vitro and in murine peritonitis

Cheminet, G. ; de Lastours, V. ; Poirel, Laurent ; Chau, F. ; Peoc’h, K. ; Massias, L. ; Fantin, B. ; Nordmann, Patrice

In: Journal of Antimicrobial Chemotherapy, 2020, vol. 75, no. 12, p. 3593–3600

Background: Carbapenemase-producing Enterobacterales represent a major therapeutic challenge. MBLs, requiring zinc at their catalytic site, could be inhibited by meso-dimercaptosuccinic acid (DMSA), a heavy metal chelator already widely used for treating lead intoxication.Objectives: To evaluate the activity of carbapenems alone or combined with DMSA against MBL-producing Escherichia coli in...