RT Journal Article SR Electronic A1 Vinall, Phil T1 Targeting Gram-negative Superbugs with Polymyxins: From Lab-Bench to Bedside JF MD Conference Express YR 2012 FD SAGE Publications VO 12 IS 14 SP 21 OP 22 DO 10.1177/155989771214009 UL http://mdc.sagepub.com/content/12/14/21.abstract AB Extensively drug resistant Gram-negative superbugs Pseudomonas aeruginosa, Acinetobacter baumannii, and Klebsiella pneumoniae present a global medical challenge due to their resistance to almost all current antibiotics, and no new antibiotics will be available for many years to come. Frequently, the only active antibiotics currently in use are colistin (polymyxin E) and polymyxin B. This article presents an overview of how polymyxins kill Gram-negative superbugs and how resistance develops.