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Oxazolidinones: a review.

D I Diekema1, R N Jones

  • 1Department of Pathology, University of Iowa College of Medicine, Iowa City 52242, USA. daniel.diekema@uiowa.edu

Drugs
|March 16, 2000
PubMed
Summary

Oxazolidinones are a new class of synthetic antimicrobials. Linezolid, a promising oxazolidinone, shows activity against resistant bacteria like MRSA and VRE.

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Area of Science:

  • Microbiology
  • Medicinal Chemistry
  • Pharmacology

Background:

  • Oxazolidinones represent a novel synthetic antimicrobial class.
  • They inhibit protein synthesis and show bacteriostatic activity against key pathogens.
  • Includes resistant strains like methicillin-resistant Staphylococcus aureus (MRSA) and vancomycin-resistant enterococci (VRE).

Purpose of the Study:

  • To introduce oxazolidinones as a novel antimicrobial class.
  • To highlight the development and potential of linezolid.
  • To assess linezolid's efficacy against resistant gram-positive pathogens.

Main Methods:

  • Review of oxazolidinone mechanism of action.
  • Evaluation of linezolid's pharmacokinetic and toxicity profiles.
  • Analysis of experimental infection models and Phase II clinical trial data.

Main Results:

  • Oxazolidinones uniquely inhibit protein synthesis.
  • Linezolid demonstrates near-complete oral bioavailability and favorable profiles.
  • Linezolid shows high in vivo activity against common gram-positive pathogens in preclinical and Phase II studies.

Conclusions:

  • Linezolid shows promise as an alternative treatment for serious infections caused by resistant gram-positive organisms.
  • Further research into oxazolidinone modifications may yield agents with enhanced potency and novel activity spectra.
  • Linezolid's role in Phase III trials will determine its clinical utility against resistant infections.

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