The Journal of antimicrobial chemotherapy · 2025
Ceftaroline versus vancomycin for methicillin-resistant Staphylococcus aureus bacteraemia, a matched cohort study.
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Bitterman Roni, Awwad Aya, Darawsha Basel, Dallashi Hajar, Dishon-Benattar Yael, Pollack Dina, Paul Mical
Аннотация
BACKGROUND: Vancomycin remains the treatment-of-choice in MRSA bacteraemia (MRSAB) despite significant limitations.
OBJECTIVE: To compare the effectiveness of ceftaroline and vancomycin monotherapy as the initial targeted therapy for MRSAB.
METHODS: We conducted a retrospective matched cohort study. Consecutive adult patients treated with ceftaroline in the years 2019-2021 were matched in a 1:2 ratio with patients who received vancomycin. Controls were matched for performance of trans-oesophageal echocardiography, Charlson comorbidity index and age. The primary outcome was a composite of treatment failure, defined as 90-day mortality or microbiological failure. Descriptive statistics were used to compare the ceftaroline and vancomycin-treated groups. Univariate and multivariable binary logistic regression models were created using ceftaroline treatment as the exposure variable.
RESULTS: Forty-five patients treated with ceftaroline for MRSAB were matched with 83 patients who received vancomycin. The groups were well balanced with regards to demographics and clinical characteristics. The primary outcome of treatment failure occurred at a similar rate in patients treated with ceftaroline or vancomycin (51.1%, 23/45% versus 57.8%, 48/83, respectively, P = 0.47). In the multivariable analysis, only age (aOR 1.06, 95% CI 1.01-1.1, P = 0.02) was associated with treatment failure. Acute kidney injury was more common among patients treated with ceftaroline (51.1%, 23/45% versus 18.1%, 15/83, P < 0.001).
CONCLUSIONS: Ceftaroline was not associated with improved outcomes compared to vancomycin when given as initial treatment for MRSAB, however, it appears to be a viable alternative to vancomycin. Larger studies are needed to provide definitive results and to elucidate the risk of nephrotoxicity.
OBJECTIVE: To compare the effectiveness of ceftaroline and vancomycin monotherapy as the initial targeted therapy for MRSAB.
METHODS: We conducted a retrospective matched cohort study. Consecutive adult patients treated with ceftaroline in the years 2019-2021 were matched in a 1:2 ratio with patients who received vancomycin. Controls were matched for performance of trans-oesophageal echocardiography, Charlson comorbidity index and age. The primary outcome was a composite of treatment failure, defined as 90-day mortality or microbiological failure. Descriptive statistics were used to compare the ceftaroline and vancomycin-treated groups. Univariate and multivariable binary logistic regression models were created using ceftaroline treatment as the exposure variable.
RESULTS: Forty-five patients treated with ceftaroline for MRSAB were matched with 83 patients who received vancomycin. The groups were well balanced with regards to demographics and clinical characteristics. The primary outcome of treatment failure occurred at a similar rate in patients treated with ceftaroline or vancomycin (51.1%, 23/45% versus 57.8%, 48/83, respectively, P = 0.47). In the multivariable analysis, only age (aOR 1.06, 95% CI 1.01-1.1, P = 0.02) was associated with treatment failure. Acute kidney injury was more common among patients treated with ceftaroline (51.1%, 23/45% versus 18.1%, 15/83, P < 0.001).
CONCLUSIONS: Ceftaroline was not associated with improved outcomes compared to vancomycin when given as initial treatment for MRSAB, however, it appears to be a viable alternative to vancomycin. Larger studies are needed to provide definitive results and to elucidate the risk of nephrotoxicity.