Oritavancin for the Treatment of Staphylococcus aureus Bacteremia—A Retrospective Single-arm Cohort Study - Summary - MDSpire

Oritavancin for the Treatment of Staphylococcus aureus Bacteremia—A Retrospective Single-arm Cohort Study

  • By

  • H Jordan

  • K Kozierowski

  • R Pickles

  • J S Davis

  • June 12, 2025

  • 0 min

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Objective:

To assess the outcomes, including safety and impact on length of stay and cost-effectiveness of using oritavancin for patients with Staphylococcus aureus bacteremia (SAB) who are ineligible for outpatient parenteral antibiotic therapy (OPAT), highlighting the challenges in managing these patients.

Key Findings:
  • Clinical cure was achieved in 26 out of 27 patients (96%), with one patient lost to follow-up and deemed not clinically evaluable.
  • 89% of patients were alive at the end of the 180-day follow-up period.
  • 89% of patients demonstrated a positive return on investment, avoiding an average of 18 hospital days per patient.
Interpretation:

Oritavancin is a promising and potentially cost-effective alternative for managing SAB in patients who are ineligible for OPAT, with significant implications for clinical practice.

Limitations:
  • Retrospective design limits the ability to establish causality; this should be noted for readers.
  • Small sample size may affect the generalizability of the findings; further studies are needed.
  • Lack of prospective studies to confirm utility in clinical practice.
Conclusion:

Oritavancin shows promise as a suitable treatment for SAB in patients who cannot utilize OPAT, warranting further prospective studies to validate these findings.

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