Journal Article

Linezolid compared with teicoplanin for the treatment of suspected or proven Gram-positive infections

Mark Wilcox, Dilip Nathwani and Matthew Dryden

in Journal of Antimicrobial Chemotherapy

Published on behalf of British Society for Antimicrobial Chemotherapy

Volume 53, issue 2, pages 335-344
Published in print February 2004 | ISSN: 0305-7453
Published online February 2004 | e-ISSN: 1460-2091 | DOI: http://dx.doi.org/10.1093/jac/dkh088
Linezolid compared with teicoplanin for the treatment of suspected or proven Gram-positive infections

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  • Medical Oncology
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The efficacy, safety and tolerability of linezolid was compared with teicoplanin in a randomized, controlled, open-label, multicentre study of 430 patients with suspected or proven Gram-positive infection. Patients received intravenous (iv) ± oral linezolid 600 mg every 12 h (n = 215) or iv or intramuscular teicoplanin (n = 215) for up to 28 days. Clinical outcomes in the intent-to-treat (ITT) and clinically-evaluable populations and microbiological success rates in microbiologically evaluable patients were assessed at follow-up (test of cure). Investigator assessed clinical cure rates at end of treatment (EOT) in ITT patients treated with linezolid (95.5%) were superior to those of teicoplanin (87.6%) for all infections combined, indicating a 7.9% statistically significant treatment advantage for linezolid (P = 0.005, 95% CI: 2.5, 13.2). Clinical cure rates by baseline diagnosis were consistently higher at EOT for the linezolid versus teicoplanin groups with skin and soft tissue infection (96.6% versus 92.8%), pneumonia (96.2% versus 92.9%) and bacteraemia (88.5% versus 56.7%). The 31.8% treatment advantage in bacteraemic patients (but not for those seen in the other infection categories) for linezolid-treated patients was statistically significant (P = 0.009, 95% CI: 10.2, 53.4). Bacterial eradication rates for linezolid exceeded those of teicoplanin for all infection sites combined but this did not reach statistical significance (81.9% versus 69.8%, respectively; P = 0.056). Adverse event rates were similar between the treatment groups, were mild to moderate in severity, and resolved quickly following treatment. The linezolid group experienced a higher incidence of drug related adverse events (30% versus 17%; P = 0.002), and notably of gastrointestinal effects (13.0% versus 1.9%, P = 0.001). However, antibiotic discontinuation rates as a result of drug related adverse events were similar (4.7% in the linezolid group versus 3.7%). Linezolid was clinically superior to teicoplanin in the treatment of Gram-positive infections.

Keywords: Keywords: glycopeptides, Gram-positive bacteria, oxazolidinones

Journal Article.  7886 words.  Illustrated.

Subjects: Medical Oncology ; Critical Care

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