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Liverpool Researchers Report Novltex, a Synthetic Antibiotic Class Against Multidrug-Resistant Bacteria

A peer-reviewed paper details a modular, lipid II–targeting design that shows strong in‑vitro activity, with animal studies next.

Overview

  • The study, led by Dr. Ishwar Singh’s team at the University of Liverpool, was published this week in the Journal of Medicinal Chemistry (Malkawi et al.; DOI: 10.1021/acs.jmedchem.5c01193).
  • Novltex targets lipid II, an essential cell‑wall precursor that researchers consider less prone to mutation, aiming for durability against resistance.
  • In vitro, compounds were fast‑acting at low doses against WHO priority pathogens MRSA and Enterococcus faecium.
  • Several Novltex molecules outperformed licensed antibiotics such as vancomycin, daptomycin and linezolid in laboratory assays.
  • The program remains preclinical, with planned animal infection models, pharmacokinetics work and partnerships to prepare for clinical trials.