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- Title
Cefiderocol in Difficult-to-Treat Nf-GNB in ICU Settings.
- Authors
Vacheron, Charles-Hervé; Kaas, Anne; Rasigade, Jean-Philippe; Aubrun, Frederic; Argaud, Laurent; Balanca, Baptiste; Fellahi, Jean-Luc; Richard, Jean Christophe; Lukaszewicz, Anne-Claire; Wallet, Florent; Dauwalder, Olivier; Friggeri, Arnaud
- Abstract
Background: The efficacy and safety of cefiderocol in ICU patients with difficult-to-treat resistance (DTR) non-fermenting Gram-negative bacteria (Nf-GNB) are not as well-established. Consequently, we conducted a cohort study to compare Cefiderocol with the Best Available Therapy (BAT) in ICU patients. Methods: We included adult patients from 9 different ICUs, including a burn ICU unit, from 2019 to 2023 treated with Cefiderocol for DTR Nf-GNB isolated from the blood or lungs. We matched each patient at a 1:2 ratio based on the same DTR Nf-GBN isolated pathogen, and when possible, within the same type of ICU (burn unit or not). The primary endpoint of the study was the clinical cure at 15 days, with secondary endpoints including clinical cure at 30 days, relapse, and in-ICU mortality. For each outcome, adjusted odds ratios were estimated using bidirectional stepwise regression in a final model, which included 13 preselected confounders. Results: We included 27 patients with cefiderocol, matched with 54 patients receiving the BAT. Four patients were not exactly matched on the type of ICU unit. Characteristics were comparable between groups, mostly male with a Charlson Comorbidity Index of 3 [1–5], and 28% had immunosuppression. Cefiderocol patients were most likely to have higher number of antibiotic lines. The main DTR Nf-GNB identified was Pseudomonas aeruginosa (81.5%), followed by Acinetobater baumanii (14.8%) and Stenotrophomonas maltophilia (3.7%). Pneumonia was the identified infection in 21 (78.8%) patients in the Cefiderocol group and in 51 (94.4%) patients in the BAT group (p = 0.054). Clinical cure at 15 and 30-day and the in-ICU mortality was comparable between groups, however relapse was higher in the cefiderocol group (8-29.6% vs. 4-7.4%;aOR 10.06[1.96;51.53]) Conclusion: Cefiderocol did not show an improvement in clinical cure or mortality rates compared to BAT in the treatment of DTR Nf-GNB, but it was associated with a higher relapse rate. Key points: What was known: •The use of cefiderocol remains debated and under-evaluated in patients admitted to the ICU. What this article tells us: •In a cohort of 27 patient with cefiderocol treatment, compared with 54 patients treated with best available therapy, no difference was observed compared regarding the 15 and 30-day clinical cure, and in ICU mortality. •However, a higher risk of relapse was observed in the cefiderocol group: 29% vs. 7%.
- Subjects
ANTIBIOTICS; PATIENT safety; BURNS &; scalds; HOSPITAL care; FISHER exact test; BLOODBORNE infections; CATHETER-related infections; TREATMENT effectiveness; RETROSPECTIVE studies; DESCRIPTIVE statistics; MANN Whitney U Test; CHI-squared test; LONGITUDINAL method; ODDS ratio; INTENSIVE care units; DRUG efficacy; RESEARCH; GRAM-negative bacterial diseases; COMPARATIVE studies; CONFIDENCE intervals; DATA analysis software; DISEASE relapse; ALGORITHMS; EVALUATION
- Publication
Annals of Intensive Care, 2024, Vol 14, Issue 1, p1
- ISSN
2110-5820
- Publication type
Article
- DOI
10.1186/s13613-024-01308-z