ArticleThe Journal of antimicrobial chemotherapy2024
Biliary pharmacokinetic/pharmacodynamic analysis of continuous infusion meropenem/vaborbactam in a case series of orthotopic liver transplant recipients.
Article in The Journal of antimicrobial chemotherapy, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
2 citing papers in PubMed.
- Pharmacokinetics, safety and population pharmacokinetics/pharmacodynamics analysis of meropenem-vaborbactam in Chinese healthy participants.Frontiers in pharmacology · 2026Article
- TDM-guided meropenem/vaborbactam-based therapy for successful treatment of intra-abdominal and bloodstream infection caused by KPC-producing ceftazidime/avibactam-resistant Klebsiella pneumoniae in a paediatric liver transplant recipient.The Journal of antimicrobial chemotherapy · 2025Article
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
objectiveTo analyse the biliary pharmacokinetics/pharmacodynamics (PK/PD) of continuous infusion (CI) meropenem-vaborbactam (MEM-VBM) in a case series of orthotopic liver transplant (OLT) recipients being treated for Klebsiella pneumoniae carbapenemase-producing Klebsiella pneumoniae (KPC-Kp) related biliary tract infections (BTIs) or as preemptive therapy of KPC-Kp rectal colonization.
methodsCritical OLT recipients receiving CI MEM-VBM (2 g/2 g q8h over 8 h) because of KPC-Kp related BTIs or as preemptive therapy of KPC-Kp rectal colonization, having Kehr's tube positioned and undergoing simultaneous therapeutic drug monitoring of MEM and VBM in plasma and bile were retrospectively assessed. Bile-to-plasma ratio of free steady-state concentrations (fCss) of MEM and VBM was used for assessing biliary penetration. Optimal joint MEM-VBM PK/PD target attainment was defined as MEM fCss/MIC ratio >4 coupled with VBM free area under time-concentration curve (fAUC)/threshold concentration (CT) ratio >24.
resultsOverall, four critical OLT recipients were included. Median bile-to-plasma ratio was 0.32 for MEM (range 0.21-0.79) and 0.40 for VBM (range 0.20-0.77). Biliary MEM-VBM joint PK/PD target attainment was optimal in 3/4 OLT recipients and quasi-optimal in the other one.
conclusionsThe 1:1 proportion between MEM and VBM concentrations was maintained unchanged in the bile, allowing us to assume that the efficacy of MEM-VBM may be appropriate even in the treatment of BTIs. CI administration was an effective strategy for attaining aggressive biliary joint PK/PD targets against pathogens with an MIC up to 2 mg/L.
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