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Purpose: To design an updated vancomycin dosing protocol for initiating therapy in patients undergoing chronic intermittent high-flux hemodialysis (iHFHD) that is congruent with the revised 2020 consensus guidelines for therapeutic drug monitoring (TDM).

Methods: Monte Carlo simulation methods were used to study vancomycin dosing for patients on iHFHD. Vancomycin regimens were constructed as intravenous infusions (for intradialytic administration) of a loading dose and maintenance doses 3 times weekly during subsequent dialysis sessions.

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Introduction: Vancomycin is a common antibiotic used to treat hemodialysis (HD) or hemodiafiltration (HDF)-related infections in pediatric patients, but optimal dosing remains unknown. This is the first observational study to characterize the pharmacokinetics and evaluate dosing of vancomycin in this population.

Methods: Eligible patients received IV vancomycin 10 mg/kg per dose postdialysis followed by a series of serum vancomycin concentrations collected before, immediately after, 1 hour after, and 4 hours after dialysis.

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Background And Objectives: There is a renewed interest in the successful use of aminoglycosides due to increasing resistance in gram-negative infections. Few studies to date have examined the pharmacokinetics (PK) of intradialytic infusions of tobramycin. This study sought to characterize the pharmacokinetic profile of intradialytically administered tobramycin in infected patients receiving chronic intermittent hemodialysis and to determine whether it is possible to achieve favorable PK targets.

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Published vancomycin dosing recommendations for patients receiving maintenance hemodialysis were not designed to meet newly recommended 24-hour area under the curve/minimum inhibitory concentration (AUC /MIC) pharmacokinetic/pharmacodynamic targets. The aims of this study were to predict pharmacokinetic/pharmacodynamic target attainment rates with a commonly used vancomycin regimen and to design a new dosing scheme incorporating therapeutic drug monitoring (TDM) to maximize target attainment in patients receiving vancomycin and hemodialysis with high- or low-flux hemodialyzers. Vancomycin pharmacokinetic- and dialysis-specific parameters were incorporated into Monte Carlo simulations (MCS).

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Elucidation of the pathophysiology of intradialytic muscle cramps: pharmacokinetics applied to translational research.

Transl Clin Pharmacol

December 2019

Department of Pharmacology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, USA.

In the conventional concept of translational research, investigations flow from the laboratory bench to the bedside. However, clinical research can also serve as the starting point for subsequent laboratory investigations that then lead back to the bedside. This article chronicles the evolution of a series of studies in which a detailed analysis of pharmacokinetics in hemodialysis patients revealed new physiological insight that, through a systems approach incorporating kinetic, physicochemical, physiologic, and clinical trial results, led to an elucidation of the pathophysiology of intradialytic skeletal muscle cramps.

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