Clinical Outcomes of Eravacycline in Patients Treated Predominately for Carbapenem-Resistant Acinetobacter baumannii

Sara Alosaimy1, Taylor Morrisette1, Abdalhamid M Lagnf1

  • 1Anti-Infective Research Laboratory, Department of Pharmacy Practice, Eugene Applebaum College of Pharmacy and Health Sciences, Wayne State Universitygrid.254444.7, Detroit, Michigan, USA.

Microbiology Spectrum
|October 3, 2022
PubMed

Insights

Eravacycline (ERV) treatment for Acinetobacter baumannii infections, including carbapenem-resistant strains (CRAB), showed a 30-day mortality of 23.9% with few adverse events. This real-world data supports ERV use for challenging Gram-negative infections.

Area of Science:

  • Infectious Diseases
  • Antimicrobial Resistance
  • Clinical Pharmacology

Background:

  • Acinetobacter baumannii, especially carbapenem-resistant strains (CRAB), poses a significant healthcare challenge.
  • Current management guidelines for CRAB infections lack consensus, with recent recommendations favoring minocycline over eravacycline (ERV).

Purpose of the Study:

  • To evaluate the real-world effectiveness and safety of eravacycline (ERV) in patients with Acinetobacter baumannii infections.
  • To provide clinical data on ERV use, particularly for carbapenem-resistant Acinetobacter baumannii (CRAB) infections, addressing a gap in current literature.

Main Methods:

  • A multicenter, real-world cohort study involving 46 patients treated with eravacycline (ERV).
  • Analysis of patient data including infection type, treatment duration, mortality rates, and adverse events.
  • Focus on isolates, with 69.5% identified as carbapenem-resistant Acinetobacter baumannii (CRAB).

Main Results:

  • The study cohort (n=46) primarily had pulmonary infections (58.3%) and received combination therapy (84.4%).
  • Thirty-day mortality was 23.9% overall and 21.9% in the CRAB subgroup.
  • Eravacycline (ERV)-based regimens demonstrated a low incidence of ERV-possible adverse events (2.1%).

Conclusions:

  • Eravacycline (ERV)-based treatment is associated with acceptable outcomes and a low safety profile in a real-world setting for Acinetobacter baumannii infections.
  • This study contributes crucial data supporting the use of eravacycline (ERV) for challenging Gram-negative infections, including CRAB.
  • Findings may inform clinical practice and future guidelines regarding novel tetracycline use in antimicrobial resistance management.

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