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J Antimicrob Chemother. 2019 Apr 1;74(Supplement_3):iii2-iii4. doi: 10.1093/jac/dkz084.

Introduction: lefamulin and pharmacokinetic/pharmacodynamic rationale to support the dose selection of lefamulin.

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University of Illinois at Chicago, Colleges of Pharmacy and Medicine, Chicago, IL, USA.


Lefamulin is the first semisynthetic pleuromutilin being developed for oral and intravenous administration. The drug selectively inhibits prokaryotic ribosomal protein synthesis by binding to the peptidyl transferase centre via four H-bonds and other interactions, resulting in an 'induced fit' that tightens the binding pocket around lefamulin. This unique mechanism of action has been associated with a low probability of cross-resistance to other antimicrobial classes commonly used to treat community-acquired bacterial pneumonia (CABP). This Supplement, entitled 'Pharmacokinetic and pharmacodynamic analyses and dose rationale for lefamulin, a novel pleuromutilin antibiotic, for the treatment of community-acquired bacterial pneumonia', is intended to be a valuable resource for both clinicians and researchers. It provides the essential pharmacokinetic and pharmacodynamic data on lefamulin that were used to support the optimal dose selection of lefamulin for the safe and effective treatment of CABP in adults.

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