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Updated: Jul 11, 2026

Multiplex Therapeutic Drug Monitoring by Isotope-dilution HPLC-MS/MS of Antibiotics in Critical Illnesses
Published on: August 30, 2018
Linezolid: effectiveness and safety for approved and off-label indications
Konstantinos Z Vardakas1, Fotinie Ntziora, Matthew E Falagas
1Alfa Institute of Biomedical Sciences, Athens, Greece.
Abstract:
Multi-drug resistant Gram-positive cocci have emerged as significant pathogens of community- and hospital-acquired infections. Several antimicrobial agents that can be used for the treatment of these infections are presently available. However, the most appropriate treatment for each infection has not been established. Linezolid seems to be a promising choice. Linezolid is bactericidal against Streptococci and bacteriostatic against Enterococci and Staphylococci. It has excellent pharmacokinetic and pharmacodynamic profiles, which allow early change from intravenous to oral administration. In addition, its effectiveness for the treatment of Gram-positive infections in immunocompetent and immunodeficient patients have been studied in several randomized controlled trials. In this review, the authors summarize all the available evidence regarding the effectiveness and safety of linezolid compared with other antimicrobial agents for its approved and off-label indications.
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