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Retrospective case-control analysis of patients with staphylococcal infections receiving daptomycin or glycopeptide

Marco Falcone1, Alessandro Russo, Maria Elena Pompeo

  • 1Department of Public Health and Infectious Diseases, Policlinico Umberto I, Sapienza University of Rome, Viale dell'Università 37, Rome, Italy. marcofalc@libero.it

International Journal of Antimicrobial Agents
|November 4, 2011
PubMed

Insights

Daptomycin offers effective treatment for serious infections caused by meticillin-resistant Staphylococcus aureus (MRSA) and coagulase-negative staphylococci (MR-CoNS). This study found daptomycin led to faster recovery and shorter hospital stays compared to glycopeptides.

Area of Science:

  • Infectious Diseases
  • Pharmacology
  • Clinical Medicine

Background:

  • Glycopeptides (vancomycin, teicoplanin) are standard treatments for serious infections caused by meticillin-resistant Staphylococcus aureus (MRSA) and meticillin-resistant coagulase-negative staphylococci (MR-CoNS).
  • Emerging resistance to glycopeptides necessitates alternative therapeutic options.
  • Daptomycin presents a newer alternative for treating these challenging Gram-positive bacterial infections.

Purpose of the Study:

  • To compare the clinical efficacy and outcomes of daptomycin versus glycopeptides for treating MRSA and MR-CoNS infections.
  • To evaluate treatment duration and length of hospital stay in patients receiving daptomycin or glycopeptide therapy.

Main Methods:

  • Retrospective review of data from 106 patients with bloodstream infections (bacteraemia, infective endocarditis) or skin and soft-tissue infections (SSTIs).
  • Patients were divided into two groups: daptomycin (DAP group, n=43) and glycopeptides (GLYCO group, n=63, vancomycin or teicoplanin).
  • Comparison of patient demographics, risk factors, clinical severity, aetiology, and treatment outcomes.

Main Results:

  • Both daptomycin and glycopeptides were effective against MRSA and MR-CoNS infections.
  • Patients treated with daptomycin experienced a shorter mean duration of antibiotic therapy and a shorter length of hospital stay compared to those on glycopeptides, particularly for SSTIs and bloodstream infections.
  • Daptomycin was more frequently used in catheter-associated bacteraemia and pacemaker-associated infections.

Conclusions:

  • Daptomycin demonstrates good clinical efficacy, comparable to glycopeptides, with the added benefit of more rapid clinical syndrome resolution.
  • The reduced length of hospitalisation associated with daptomycin treatment has significant pharmacoeconomic implications.
  • Daptomycin is a valuable therapeutic option for serious MRSA and MR-CoNS infections, potentially improving patient outcomes and reducing healthcare costs.

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