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Dalbavancin in catheter-related bloodstream infections: a pilot study
Sergio Venturini1, Ingrid Reffo2, Manuela Avolio3
1Department of Infectious Diseases, ASFO "Santa Maria degli Angeli" Hospital of Pordenone, Pordenone, Italy.
Insights
A single dose of dalbavancin effectively treats Gram-positive catheter-related bloodstream infections (CRBSI), allowing for early patient discharge and reduced costs. This approach proved safe and well-tolerated in a pilot study.
Area of Science:
- Infectious Diseases
- Pharmacology
- Clinical Medicine
Background:
- Catheter-related bloodstream infections (CRBSI) are a significant cause of morbidity and mortality.
- Gram-positive bacteria are the primary culprits behind most CRBSI.
- Dalbavancin, a novel lipoglycopeptide antibiotic, offers a potential solution for early treatment and discharge strategies.
Purpose of the Study:
- To evaluate the efficacy and safety of a single-step treatment for Gram-positive CRBSI.
- To assess a strategy combining dalbavancin administration, catheter removal, and early patient discharge.
- To determine the cost-effectiveness of this novel treatment approach.
Main Methods:
- A pilot feasibility study involving 16 adult patients with confirmed Gram-positive CRBSI.
- Administration of a single 1500 mg IV dose of dalbavancin.
- Simultaneous catheter removal and early discharge protocol.
Main Results:
- The study included patients with a mean age of 68 years and significant comorbidities.
- Staphylococci were the most common pathogens, including methicillin-resistant strains.
- No adverse drug reactions were reported, and no patients were readmitted for recurrent bacteremia within 90 days.
Conclusions:
- Single-dose dalbavancin is a highly effective and well-tolerated treatment for Gram-positive CRBSI.
- This strategy facilitates early hospital discharge, optimizing patient management.
- The approach demonstrates significant cost-saving potential for healthcare systems.
Background:
Catheter-related bloodstream infections (CRBSI) represent a frequent complication of vascular catheterization, with high morbidity, mortality, and associated costs. Most infections are caused by Gram-positive bacteria; thus dalbavancin, a new long-acting lipoglicopeptide, may have a role in early patient discharge strategies optimizing treatment and reducing overall costs.
Methods:
In this small pilot feasibility study, we assessed the efficacy and safety of a "single step" treatment strategy combining dalbavancin administration (1500 mg IV single dose), catheter removal, and early discharge in adult patients admitted to medical wards in a three-year period.
Results:
We enrolled sixteen patients with confirmed Gram-positive CRBSI, with a mean age of 68 years and relevant comorbidities (median Charlson Comorbidity index=7). The most frequent causative agents were staphylococci, with 25% of methicillin-resistant strains, and the majority of infected devices were short term central venous catheter (CVC) and peripherally inserted central catheter (PICC). Ten out of sixteen patients had been treated empirically before dalbavancin administration. The mean time from dalbavancin administration to discharge was 2 days; none of the patients had adverse drug-related reactions; at 30- and 90-day follow-up, no patients have been readmitted to the hospital due to bacteraemia recurrence.
Conclusions:
Our results indicate that single-dose dalbavancin is highly effective, well-tolerated, and cost-saving for Gram-positive CRBSI.
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