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Pokorná P, Michaličková D, Tibboel D, Berner J. Meropenem Disposition in Neonatal and Pediatric Extracorporeal Membrane Oxygenation and Continuous Renal Replacement Therapy. Antibiotics (Basel) 2024; 13:419. [PMID: 38786147 PMCID: PMC11117356 DOI: 10.3390/antibiotics13050419] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2024] [Revised: 04/28/2024] [Accepted: 04/30/2024] [Indexed: 05/25/2024] Open
Abstract
This study aimed to characterize the impact of extracorporeal membrane oxygenation (ECMO) on the pharmacokinetics (PK) of meropenem in neonates and children and to provide recommendations for meropenem dosing in this specific population of patients. Therapeutic drug monitoring (152 meropenem plasma concentrations) data from 45 patients (38 received ECMO) with a body weight (BW) of 7.88 (3.62-11.97) kg (median (interquartile range)) and postnatal age of 3 (0-465) days were collected. The population PK analysis was performed using NONMEM V7.3.0. Monte Carlo simulations were performed to assess the probability of target achievement (PTA) for 40% of time the free drug remained above the minimum inhibitory concentration (fT > MIC) and 100% fT > MIC. BW was found to be a significant covariate for the volume of distribution (Vd) and clearance (CL). Additionally, continuous renal replacement therapy (CRRT) was associated with a two-fold increase in Vd. In the final model, the CL and Vd for a typical patient with a median BW of 7.88 kg that was off CRRT were 1.09 L/h (RSE = 8%) and 3.98 L (14%), respectively. ECMO did not affect meropenem PK, while superimposed CRRT significantly increased Vd. We concluded that current dosing regimens provide acceptably high PTA for MIC ≤ 4 mg/L for 40% fT > MIC, but individual dose adjustments are needed for 100% fT > MIC.
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Affiliation(s)
- Pavla Pokorná
- Institute of Pharmacology, First Faculty of Medicine, Charles University and General University Hospital, 128 00 Prague, Czech Republic
- Department of Pediatrics and Inherited Metabolic Disorders, First Faculty of Medicine, Charles University and General University Hospital, 128 00 Prague, Czech Republic
- Department of Physiology and Pharmacology, Karolinska Institute and Karolinska University Hospital, 171 77 Stockholm, Sweden
- Department of Pediatric Surgery, Erasmus Medical Center Sophia Children’s Hospital, 3062 PA Rotterdam, The Netherlands
| | - Danica Michaličková
- Institute of Pharmacology, First Faculty of Medicine, Charles University and General University Hospital, 128 00 Prague, Czech Republic
| | - Dick Tibboel
- Department of Pediatrics and Inherited Metabolic Disorders, First Faculty of Medicine, Charles University and General University Hospital, 128 00 Prague, Czech Republic
- Department of Pediatric Surgery, Erasmus Medical Center Sophia Children’s Hospital, 3062 PA Rotterdam, The Netherlands
| | - Jonas Berner
- Department of Pediatrics and Inherited Metabolic Disorders, First Faculty of Medicine, Charles University and General University Hospital, 128 00 Prague, Czech Republic
- Department of Physiology and Pharmacology, Karolinska Institute and Karolinska University Hospital, 171 77 Stockholm, Sweden
- Pediatric Perioperative Medicine and Intensive Care, Astrid Lindgren Children’s Hospital, Karolinska University Hospital, 171 76 Stockholm, Sweden
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Duceppe MA, Kanji S, Do AT, Ruo N, Cavayas YA, Albert M, Robert-Halabi M, Zavalkoff S, Benichou L, Samoukovic G, Williamson DR. Pharmacokinetics of Commonly Used Antimicrobials in Critically Ill Pediatric Patients During Extracorporeal Membrane Oxygenation: A Systematic Review. Paediatr Drugs 2023; 25:515-535. [PMID: 37450191 DOI: 10.1007/s40272-023-00582-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 06/27/2023] [Indexed: 07/18/2023]
Abstract
PURPOSE Adequate dosing of antimicrobials is critical to properly treat infections and limit development of resistance and adverse effects. Limited guidance exist for antimicrobial dosing adjustments in patients requiring extracorporeal membrane oxygenation (ECMO) therapy, particularly in the pediatric population. A systematic review was conducted to delineate the pharmacokinetics (PK) and pharmacodynamics (PD) of antimicrobials in critically ill neonates and children requiring ECMO therapy. METHODS Medline, EMBASE, Global Health and All EBM Reviews databases were queried. Grey literature was examined. All clinical studies reporting PK/PD parameters of antimicrobials in critically ill pediatric patients treated with ECMO were included, except for case reports and congress abstracts. Two independent reviewers applied the inclusion and exclusion criteria. Reviewers were then paired to independently extract data and evaluate the methodological quality of studies using the ROBINS-I tool and the compliance with ClinPK reporting guidelines. Patient and study characteristics, key PK/PD findings, details of ECMO circuits and co-treatments were summarized qualitatively. Broad dosing recommendations were formulated based on the available data for specific antimicrobials. RESULTS Twenty-nine clinical studies were included; most were observational and uncontrolled. Patient characteristics and co-treatments were often missing. The effect of ECMO on PK/PD parameters of antimicrobials varied depending on the drugs and population studied. It was only possible to formulate dosing recommendations for a few antimicrobials given the paucity of data, its overall low quality and heterogeneity in reporting. CONCLUSION Limited data exists on the PK/PD of antimicrobials during ECMO therapy in the pediatric population. Rigorously designed population PK studies are required to establish empiric dosing guidelines for antimicrobials in patients requiring this therapeutic modality. The use of therapeutic drug monitoring for antimicrobials in pediatric patients on ECMO should be encouraged to optimize dosing. TRIAL REGISTRY PROSPERO registration number: CRD42018099992 (Registered: July 24th 2018).
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Affiliation(s)
- Marc-Alexandre Duceppe
- Department of Pharmacy, McGill University Health Centre, 1001 Décarie, Local C-RC 6004, Montreal, QC, Canada, H4A 3J1.
| | - Salmaan Kanji
- Department of Pharmacy, The Ottawa Hospital, Ottawa, ON, Canada
- Faculty of Medicine, University of Ottawa, Ottawa, ON, Canada
- Faculté de Pharmacie, Université de Montréal, Montreal, QC, Canada
| | - Anh Thu Do
- Department of Pharmacy, McGill University Health Centre, 1001 Décarie, Local C-RC 6004, Montreal, QC, Canada, H4A 3J1
| | - Ni Ruo
- Department of Pharmacy, McGill University Health Centre, 1001 Décarie, Local C-RC 6004, Montreal, QC, Canada, H4A 3J1
| | - Yiorgos Alexandros Cavayas
- Department of Medicine, Division of Critical Care, Hôpital du Sacré-Coeur de Montréal Research Centre, Montreal, QC, Canada
- Department of Surgery, Division of Critical Care, Montreal Heart Institute, Montreal, QC, Canada
- Département de Médecine, Faculté de Médecine, Université de Montréal, Montreal, QC, Canada
| | - Martin Albert
- Department of Medicine, Division of Critical Care, Hôpital du Sacré-Coeur de Montréal Research Centre, Montreal, QC, Canada
- Department of Surgery, Division of Critical Care, Montreal Heart Institute, Montreal, QC, Canada
- Département de Médecine, Faculté de Médecine, Université de Montréal, Montreal, QC, Canada
| | - Maxime Robert-Halabi
- Department of Medicine, Division of Cardiology, Centre Hospitalier de l'Université de Montréal, Montreal, QC, Canada
| | - Samara Zavalkoff
- Department of Pediatrics, Division of Pediatric Critical Care, McGill University Health Centre, Montreal, QC, Canada
- Faculty of Medicine, McGill University, Montreal, QC, Canada
| | - Laura Benichou
- Faculté de Pharmacie, Université Paris Descartes, Paris, France
| | - Gordan Samoukovic
- Faculty of Medicine, McGill University, Montreal, QC, Canada
- Department of Surgery, Division of Critical Care, McGill University Health Centre, Montreal, QC, Canada
| | - David R Williamson
- Faculté de Pharmacie, Université de Montréal, Montreal, QC, Canada
- Department of Pharmacy, Hôpital du Sacré-Coeur de Montréal, Montreal, QC, Canada
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Tang Girdwood S, Pavia K, Paice K, Hambrick HR, Kaplan J, Vinks AA. β-lactam precision dosing in critically ill children: Current state and knowledge gaps. Front Pharmacol 2022; 13:1044683. [PMID: 36532752 PMCID: PMC9752101 DOI: 10.3389/fphar.2022.1044683] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Accepted: 11/21/2022] [Indexed: 12/03/2022] Open
Abstract
There has been emerging interest in implementing therapeutic drug monitoring and model-informed precision dosing of β-lactam antibiotics in critically ill patients, including children. Despite a position paper endorsed by multiple international societies that support these efforts in critically ill adults, implementation of β-lactam precision dosing has not been widely adopted. In this review, we highlight what is known about β-lactam antibiotic pharmacokinetics and pharmacodynamics in critically ill children. We also define the knowledge gaps that present barriers to acceptance and implementation of precision dosing of β-lactam antibiotics in critically ill children: a lack of consensus on which subpopulations would benefit most from precision dosing and the uncertainty of how precision dosing changes outcomes. We conclude with opportunities for further research to close these knowledge gaps.
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Affiliation(s)
- Sonya Tang Girdwood
- Division of Clinical Pharmacology, Department of Pediatrics, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH, United States,Division of Hospital Medicine, Department of Pediatrics, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH, United States,Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH, United States,*Correspondence: Sonya Tang Girdwood,
| | - Kathryn Pavia
- Division of Critical Care Medicine, Department of Pediatrics, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH, United States
| | - Kelli Paice
- Division of Critical Care Medicine, Department of Pediatrics, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH, United States
| | - H. Rhodes Hambrick
- Division of Nephrology and Hypertension, Department of Pediatrics, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH, United States
| | - Jennifer Kaplan
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH, United States,Division of Critical Care Medicine, Department of Pediatrics, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH, United States
| | - Alexander A. Vinks
- Division of Clinical Pharmacology, Department of Pediatrics, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH, United States,Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH, United States
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Yalcin N, Sürmelioğlu N, Allegaert K. Population pharmacokinetics in critically ill neonates and infants undergoing extracorporeal membrane oxygenation: a literature review. BMJ Paediatr Open 2022; 6:10.1136/bmjpo-2022-001512. [PMID: 36437518 PMCID: PMC9639121 DOI: 10.1136/bmjpo-2022-001512] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Accepted: 10/21/2022] [Indexed: 11/06/2022] Open
Abstract
Extracorporeal membrane oxygenation (ECMO) increases circulating blood volume, causes capillary leak and temporarily alters kidney function. Consequently, pharmacokinetics (PK) can be affected. When applied to neonates and infants, additional dose adjustments are a major concern, as the volume of distribution (Vd) is already generally greater for water-soluble drugs and the clearance (Cl) of drugs eliminated by glomerular filtration is reduced. A systematic search was performed on MEDLINE (1994-2022) using a combination of the following search terms: "pharmacokinetics", "extracorporeal membrane oxygenation" and "infant, newborn" using Medical Subject Headings search strategy. Nine out of 18 studies on 11 different drugs (vancomycin, meropenem, fluconazole, gentamicin, midazolam, phenobarbital, theophylline, clonidine, morphine, cefotaxime and cefepime) recommended dose increase/decrease by determining PK parameters. In other studies, it has been suggested to adjust the dose intervals. While the elimination half-life (t1/2) and Vd mostly increased for all drugs, the Cl of the drugs has been shown to have variability except for midazolam and morphine. There are a limited number of population PK studies in neonates and infants undergoing ECMO circuits. Despite some divergences, the general pattern suggests an increase in Vd and t1/2, an increased, stable or decreased Cl, and an increase in variability. Consequently, and if possible, therapeutic drug monitoring and target concentration intervention are strongly recommended to determine appropriate exposure and doses for neonates and infants undergoing ECMO support.
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Affiliation(s)
- Nadir Yalcin
- Department of Clinical Pharmacy, Faculty of Pharmacy, Hacettepe University, Ankara, Turkey
| | - Nursel Sürmelioğlu
- Department of Clinical Pharmacy, Faculty of Pharmacy, Çukurova University, Adana, Turkey
| | - Karel Allegaert
- Department of Pharmaceutical and Pharmacological Sciences, KU Leuven, Leuven, Belgium.,Department of Development and Regeneration, KU Leuven, Leuven, Belgium.,Child and Youth Institute, KU Leuven, Leuven, Belgium.,Deparment of Clinical Pharmacy, Erasmus MC, Rotterdam, the Netherlands
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Stitt G, Dubinsky S, Edginton A, Huang YSV, Zuppa AF, Watt K, Downes K. Antimicrobial Dosing Recommendations in Pediatric Continuous Renal Replacement Therapy: A Critical Appraisal of Current Evidence. Front Pediatr 2022; 10:889958. [PMID: 35633961 PMCID: PMC9134108 DOI: 10.3389/fped.2022.889958] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Accepted: 04/25/2022] [Indexed: 12/13/2022] Open
Abstract
OBJECTIVES Continuous renal replacement therapy (CRRT) is commonly employed in critically ill children and is known to affect antimicrobial pharmacokinetics. There is a lack of readily available, evidence-based antimicrobial dosing recommendations in pediatric CRRT. This study aims to quantify commonly used antimicrobial drugs in pediatric CRRT and identify gaps between contemporary literature-based dosing recommendations and those presented in a frequently used dosing reference. METHODS The Pediatric Health Information System (PHIS) database was queried from July 1, 2018 through June 30, 2021 to identify admissions in which antimicrobials were billed on the same day as CRRT. Drugs of interest were selected if at least 10% of admission involved administration on at least one CRRT day, with additional clinically important antimicrobials selected by the authors. A comprehensive literature search was performed to identify antimicrobial pharmacokinetic (PK) studies in children for each selected drug. For identified articles, dosing recommendations were extracted and compared to those in a popular tertiary dosing reference (Lexi-Comp Online database). The level of agreement of the dosing recommendations was assessed. RESULTS 77 unique antimicrobial agents were identified amongst 812 admissions from 20 different PHIS hospitals. Fifteen antimicrobials were billed on the same day as CRRT in ≥10% of admissions, with 4 additional drugs deemed clinically relevant by the authors. Twenty PK studies were identified for these 19 drugs, and dosing recommendations were included in 8 (42.1%) of them. Seventeen agents (89.5%) had some type of CRRT-specific dosing guidance in Lexi-Comp, with only 1 directly based on a pediatric CRRT study. For the 8 agents with PK data available, Lexi-Comp recommendations matched primary literature dosing guidance in 3 (37.5%). Two (25%) lacked agreement between the Lexi-Comp and primary literature, and the remaining 3 (37.5%) had partial agreement with multiple dosing regimens suggested in the primary literature and at least one of these regimens recommended by Lexi-Comp. CONCLUSION Significant gaps exist in the data supporting antimicrobial dosing recommendations for children receiving CRRT. Future studies should focus on antimicrobial dosing in pediatric CRRT, emphasizing provision of robust data from which dosing recommendations can be promptly incorporated into tertiary dosing references.
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Affiliation(s)
- Gideon Stitt
- Center for Clinical Pharmacology, Children's Hospital of Philadelphia, Philadelphia, PA, United States
| | - Samuel Dubinsky
- School of Pharmacy, University of Waterloo, Waterloo, ON, Canada
| | - Andrea Edginton
- School of Pharmacy, University of Waterloo, Waterloo, ON, Canada
| | - Yuan-Shung V Huang
- Department of Biomedical and Health Informatics, Children's Hospital of Philadelphia, Philadelphia, PA, United States
| | - Athena F Zuppa
- Center for Clinical Pharmacology, Children's Hospital of Philadelphia, Philadelphia, PA, United States.,Department of Anesthesiology and Critical Care Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, United States.,Division of Critical Care Medicine, Children's Hospital of Philadelphia, Philadelphia, PA, United States
| | - Kevin Watt
- Division of Clinical Pharmacology, Department of Pediatrics, University of Utah, Salt Lake City, UT, United States
| | - Kevin Downes
- Center for Clinical Pharmacology, Children's Hospital of Philadelphia, Philadelphia, PA, United States.,Division of Infectious Diseases, Children's Hospital of Philadelphia, Philadelphia, PA, United States.,Department of Pediatrics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, United States
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