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Helset E, Cheng V, Sporsem H, Thorstensen C, Nordøy I, Gammelsrud KW, Hanssen G, Ponzi E, Lipman J, von der Lippe E. Meropenem pharmacokinetic/pharmacodynamic target attainment and clinical response in ICU patients: A prospective observational study. Acta Anaesthesiol Scand 2024; 68:502-511. [PMID: 38286568 DOI: 10.1111/aas.14376] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2023] [Revised: 12/09/2023] [Accepted: 01/02/2024] [Indexed: 01/31/2024]
Abstract
BACKGROUND Several studies report lack of meropenem pharmacokinetic/pharmacodynamic (PK/PD) target attainment (TA) and risk of therapeutic failure with intermittent bolus infusions in intensive care unit (ICU) patients. The aim of this study was to describe meropenem TA in an ICU population and the clinical response in the first 72 h after therapy initiation. METHODS A prospective observational study of ICU patients ≥18 years was conducted from 2014 to 2017. Patients with normal renal clearance (NRC) and augmented renal clearance (ARC) and patients on continuous renal replacement therapy (CRRT) were included. Meropenem was administered as intermittent bolus infusions, mainly at a dose of 1 g q6h. Peak, mid, and trough levels were sampled at 24, 48, and 72 h after therapy initiation. TA was defined as 100% T > 4× MIC or trough concentration above 4× MIC. Meropenem PK was estimated using traditional calculation methods and population pharmacokinetic modeling (P-metrics®). Clinical response was evaluated by change in C-reactive protein (CRP), Sequential Organ Failure Assessment (SOFA) score, leukocyte count, and defervescence. RESULTS Eighty-seven patients were included, with a median Simplified Acute Physiology (SAPS) II score 37 and 90 days mortality rate of 32%. Median TA was 100% for all groups except for the ARC group with 45.5%. Median CRP fell from 175 (interquartile range [IQR], 88-257) to 70 (IQR, 30-114) (p < .001) in the total population. A reduction in SOFA score was observed only in the non-CRRT groups (p < .001). CONCLUSION Intermittent meropenem bolus infusion q6h gives satisfactory TA in an ICU population with variable renal function and CRRT modality, except for ARC patients. No consistent relationship between TA and clinical endpoints were observed.
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Affiliation(s)
- Elin Helset
- Division of Emergencies and Critical care, Oslo University Hospital, Oslo, Norway
| | - Vesa Cheng
- University of Queensland Centre for Clinical Research (UQCCR), Faculty of Medicine, The University of Queensland, Brisbane, Queensland, Australia
- Department of Anaesthesia and Intensive Care, Faculty of Medicine, Chinese University of Hong Kong, Hong Kong, China
| | | | | | - Ingvild Nordøy
- Section for Clinical Immunology and Infectious Diseases, Oslo University Hospital, Oslo, Norway
| | - Karianne Wiger Gammelsrud
- Department of Microbiology, Oslo University Hospital, Oslo, Norway
- Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway
| | - Gorm Hanssen
- Department of Microbiology, Oslo University Hospital, Oslo, Norway
| | - Erica Ponzi
- Oslo Center for Biostatistics and Epidemiology, Department of Biostatistics, Faculty of Medicine, University of Oslo, Oslo, Norway
| | - Jeffrey Lipman
- University of Queensland Centre for Clinical Research (UQCCR), Faculty of Medicine, The University of Queensland, Brisbane, Queensland, Australia
- Department of Anaesthesia and Intensive Care, Faculty of Medicine, Chinese University of Hong Kong, Hong Kong, China
- Scientific Consultant, Nimes University Hospital, University of Montpellier, Nimes, France
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Gordon M, Lantz E, Mentzer C, Hall A. Clinical Outcomes of Protocolized Antibiotic Dosing in Critically Ill Surgical Patients With Bacteremia and Augmented Renal Clearance Compared With Critically Ill Surgical Patients Without Augmented Renal Clearance. Surg Infect (Larchmt) 2024; 25:155-159. [PMID: 38335446 DOI: 10.1089/sur.2023.204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/12/2024] Open
Abstract
Background: Augmented renal clearance (ARC) is a phenomenon observed in critically ill patients, leading to supraphysiologic drug clearance and concern for suboptimal antibiotic concentrations. The purpose of this study was to compare the clinical outcomes of our institutional protocolized antibiotic dosing regimen in critically ill patients with bacteremia and ARC compared with critically ill patients without ARC. Patients and Methods: We performed a retrospective study comparing the efficacy of an institutional protocolized antibiotic dosing regimen in critically ill patients with bacteremia and ARC compared with critically ill patients without ARC. The primary end point was in-hospital mortality. Secondary outcomes were intensive care unit (ICU) mortality, days requiring mechanical ventilation, ICU length of stay (LOS), hospital LOS, development of drug resistance to index antibiotic agent, and documented clearance of blood cultures within 72 hours. Results: There were 75 patients included in this study. Twenty percent of patients in the ARC group died in the hospital versus 31% in the non-ARC group (p = 0.26). The results for the ARC group versus the non-ARC group for the secondary outcomes of ICU mortality (20% vs. 26%; p = 0.56), ICU LOS (14.7 days vs. 7 days; p = 0.07), hospital LOS (28.3 days vs. 21.6 days; p = 0.03), days requiring mechanical ventilation (14 days vs. 12 days; p = 0.49), duration of antibiotic therapy (7.5 days vs. 9.0 days; p = 0.39), documented clearance of blood cultures within 72 hours (41% vs. 33%; p = 0.56), and the development of drug resistance to the index antibiotic agent (0% vs. 0%; p > 0.99) were also calculated. Conclusions: Among critically ill patients with bacteremia and ARC, there was no difference in in-hospital mortality compared with critically ill patients without ARC. There was a difference in hospital LOS, with a shorter duration of stay for the non-ARC group. There was no development of multi-drug-resistant organisms in either group.
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Affiliation(s)
- Martin Gordon
- Department of Pharmacy, Spartanburg Medical Center, Spartanburg, South Carolina, USA
| | - Evan Lantz
- Department of Pharmacy, Spartanburg Medical Center, Spartanburg, South Carolina, USA
| | - Caleb Mentzer
- Department of Surgery, Spartanburg Medical Center, Spartanburg, South Carolina, USA
| | - Abigail Hall
- Presbyterian College School of Pharmacy, Clinton, South Carolina, USA
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Jin Y, Ma H, Fu L, Qi X, Zhang M, Di X, Zheng L, He C, Wang Z. Quantification of meropenem in serum and cerebrospinal fluid in children with bacterial meningitis with augmented renal clearance by UPLC-MS/MS. Heliyon 2024; 10:e26132. [PMID: 38390088 PMCID: PMC10881352 DOI: 10.1016/j.heliyon.2024.e26132] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2023] [Revised: 01/25/2024] [Accepted: 02/08/2024] [Indexed: 02/24/2024] Open
Abstract
Meropenem is an ultrabroad-spectrum antimicrobial agent that is often recommended for the treatment of bacterial meningitis (BM) in children. However, a subtherapeutic phenomenon occurred in BM children complicated with augmented renal clearance (ARC) at the recommended dose of meropenem. To support its pharmacokinetics, a sensitive, fast and robust ultra-liquid chromatography-tandem mass spectrometry (UPLC-MS/MS) method was developed to measure meropenem concentrations in serum and cerebrospinal fluid (CSF). The method involved protein precipitation, and samples were diluted with a large proportion of water to eliminate solvent effects. The separation of samples was performed on a Waters Acquity™ BEH C18 column (2.1 × 50 mm i.d., 1.7 μm) with a gradient profile. The mobile phases were formic acid-water (1:1000, v/v) and acetonitrile. The linear range was good, with a concentration range of 0.100-100 μg/mL for serum and 0.0400-20.0 μg/mL for CSF. The intra-day and inter-day precisions were less than 8.0%, and the intra-day and inter-day accuracies varied -6.6% from 6.5% for the both serum and CSF. The selectivity, carry-over, dilution integrity, matrix effect, recovery and stability were validated according to international guidelines. The developed UPLC-MS/MS method successfully determined the meropenem concentrations in the serum and CSF of children with BM complicated with ARC. The results indicated that under the recommended dosing regimen (40 mg/kg every 8 h), the time to reach the effective treatment target of 50%T > MIC was only approximately 3 h and lower CSF concentrations of meropenem were observed in children with BM with ARC.
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Affiliation(s)
- Ying Jin
- Department of Pharmacy, NMPA Key Laboratory for Clinical Research and Evaluation of Innovative Drug, West China Hospital, Sichuan University, Chengdu, 610041, China
- Clinical Trial Center, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Hongtu Ma
- Department of Neurosurgery Children's Hospital of Chongqing Medical University. Chongqi, China
| | - Lisha Fu
- Department of Pharmacy, NMPA Key Laboratory for Clinical Research and Evaluation of Innovative Drug, West China Hospital, Sichuan University, Chengdu, 610041, China
- Clinical Trial Center, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Xiaohui Qi
- Department of Pharmacy, NMPA Key Laboratory for Clinical Research and Evaluation of Innovative Drug, West China Hospital, Sichuan University, Chengdu, 610041, China
- Clinical Trial Center, West China Hospital, Sichuan University, Chengdu, 610041, China
- Chengdu Medical College, Chengdu, Sichuan, China
| | - Mengyu Zhang
- Department of Pharmacy, NMPA Key Laboratory for Clinical Research and Evaluation of Innovative Drug, West China Hospital, Sichuan University, Chengdu, 610041, China
- Clinical Trial Center, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Xiangjie Di
- Department of Pharmacy, NMPA Key Laboratory for Clinical Research and Evaluation of Innovative Drug, West China Hospital, Sichuan University, Chengdu, 610041, China
- Clinical Trial Center, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Li Zheng
- Department of Pharmacy, NMPA Key Laboratory for Clinical Research and Evaluation of Innovative Drug, West China Hospital, Sichuan University, Chengdu, 610041, China
- Clinical Trial Center, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Cuiyao He
- Department of Pharmacy, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing Key Laboratory of Pediatrics, National Clinical Research Center for Child Health and Disorders, Children's Hospital of Chongqing Medical University, 136 Zhongshan Second Road, Yuzhong District, Chongqing 400014, China
| | - Zhenlei Wang
- Department of Pharmacy, NMPA Key Laboratory for Clinical Research and Evaluation of Innovative Drug, West China Hospital, Sichuan University, Chengdu, 610041, China
- Clinical Trial Center, West China Hospital, Sichuan University, Chengdu, 610041, China
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Angelini J, Giuliano S, Flammini S, Pagotto A, Lo Re F, Tascini C, Baraldo M. Meropenem PK/PD Variability and Renal Function: "We Go Together". Pharmaceutics 2023; 15:2238. [PMID: 37765207 PMCID: PMC10534409 DOI: 10.3390/pharmaceutics15092238] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Revised: 08/28/2023] [Accepted: 08/28/2023] [Indexed: 09/29/2023] Open
Abstract
BACKGROUND Meropenem is a carbapenem antibiotic widely employed for serious bacterial infections. Therapeutic drug monitoring (TDM) is a strategy to optimize dosing, especially in critically ill patients. This study aims to show how TDM influences the management of meropenem in a real-life setting, not limited to intensive care units. METHODS From December 2021 to February 2022, we retrospectively analyzed 195 meropenem serum concentrations (Css). We characterized patients according to meropenem exposure, focusing on the renal function impact. RESULTS A total of 36% (n = 51) of the overall observed patients (n = 144) were in the therapeutic range (8-16 mg/L), whereas 64% (n = 93) required a meropenem dose modification (37 patients (26%) underexposed; 53 (38%) overexposed). We found a strong relationship between renal function and meropenem concentrations (correlation coefficient = -0.7; p-value < 0.001). We observed different dose-normalized meropenem exposure (Css/D) among renal-impaired (severe and moderate), normal, and hyperfiltrating patients, with a median (interquartile range) of 13.1 (10.9-20.2), 7.9 (6.1-9.5), 3.8 (2.6-6.0), and 2.4 (1.6-2.7), respectively (p-value < 0.001). CONCLUSIONS Meropenem TDM in clinical practice allows modification of dosing in patients inadequately exposed to meropenem to maximize antibiotic efficacy and minimize the risk of antibiotic resistance, especially in renal alterations despite standard dose adaptations.
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Affiliation(s)
- Jacopo Angelini
- Clinical Pharmacology and Toxicology Institute, University Hospital Friuli Centrale ASUFC, 33100 Udine, Italy; (F.L.R.); (M.B.)
- Department of Medicine, University of Udine (UNIUD), 33100 Udine, Italy;
| | - Simone Giuliano
- Infectious Diseases Division, Department of Medicine, University of Udine and Azienda Sanitaria Universitaria Friuli Centrale, 33100 Udine, Italy; (S.G.); (S.F.); (A.P.)
| | - Sarah Flammini
- Infectious Diseases Division, Department of Medicine, University of Udine and Azienda Sanitaria Universitaria Friuli Centrale, 33100 Udine, Italy; (S.G.); (S.F.); (A.P.)
| | - Alberto Pagotto
- Infectious Diseases Division, Department of Medicine, University of Udine and Azienda Sanitaria Universitaria Friuli Centrale, 33100 Udine, Italy; (S.G.); (S.F.); (A.P.)
| | - Francesco Lo Re
- Clinical Pharmacology and Toxicology Institute, University Hospital Friuli Centrale ASUFC, 33100 Udine, Italy; (F.L.R.); (M.B.)
- Department of Medicine, University of Udine (UNIUD), 33100 Udine, Italy;
| | - Carlo Tascini
- Department of Medicine, University of Udine (UNIUD), 33100 Udine, Italy;
- Infectious Diseases Division, Department of Medicine, University of Udine and Azienda Sanitaria Universitaria Friuli Centrale, 33100 Udine, Italy; (S.G.); (S.F.); (A.P.)
| | - Massimo Baraldo
- Clinical Pharmacology and Toxicology Institute, University Hospital Friuli Centrale ASUFC, 33100 Udine, Italy; (F.L.R.); (M.B.)
- Department of Medicine, University of Udine (UNIUD), 33100 Udine, Italy;
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Shi AX, Qu Q, Zhuang HH, Teng XQ, Xu WX, Liu YP, Xiao YW, Qu J. Individualized antibiotic dosage regimens for patients with augmented renal clearance. Front Pharmacol 2023; 14:1137975. [PMID: 37564179 PMCID: PMC10410082 DOI: 10.3389/fphar.2023.1137975] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Accepted: 07/12/2023] [Indexed: 08/12/2023] Open
Abstract
Objectives: Augmented renal clearance (ARC) is a state of enhanced renal function commonly observed in 30%-65% of critically ill patients despite normal serum creatinine levels. Using unadjusted standard dosing regimens of renally eliminated drugs in ARC patients often leads to subtherapeutic concentrations, poor clinical outcomes, and the emergence of multidrug-resistant bacteria. We summarized pharmaceutical, pharmacokinetic, and pharmacodynamic research on the definition, underlying mechanisms, and risk factors of ARC to guide individualized dosing of antibiotics and various strategies for optimizing outcomes. Methods: We searched for articles between 2010 and 2022 in the MEDLINE database about ARC patients and antibiotics and further provided individualized antibiotic dosage regimens for patients with ARC. Results: 25 antibiotic dosage regimens for patients with ARC and various strategies for optimization of outcomes, such as extended infusion time, continuous infusion, increased dosage, and combination regimens, were summarized according to previous research. Conclusion: ARC patients, especially critically ill patients, need to make individualized adjustments to antibiotics, including dose, frequency, and method of administration. Further comprehensive research is required to determine ARC staging, expand the range of recommended antibiotics, and establish individualized dosing guidelines for ARC patients.
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Affiliation(s)
- A-Xi Shi
- Department of Pharmacy, The Second Xiangya Hospital, Institute of Clinical Pharmacy, Central South University, Changsha, China
- Department of Pharmacy, The First Hospital of Lanzhou University, Lanzhou, China
| | - Qiang Qu
- Department of Pharmacy, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
- Hunan Key Laboratory of the Research and Development of Novel Pharmaceutical Preparations, Changsha Medical University, Changsha, China
| | - Hai-Hui Zhuang
- Department of Pharmacy, The Second Xiangya Hospital, Institute of Clinical Pharmacy, Central South University, Changsha, China
| | - Xin-Qi Teng
- Department of Pharmacy, The Second Xiangya Hospital, Institute of Clinical Pharmacy, Central South University, Changsha, China
| | - Wei-Xin Xu
- Department of Pharmacy, The Second Xiangya Hospital, Institute of Clinical Pharmacy, Central South University, Changsha, China
| | - Yi-Ping Liu
- Department of Pharmacy, The Second Xiangya Hospital, Institute of Clinical Pharmacy, Central South University, Changsha, China
| | - Yi-Wen Xiao
- Department of Pharmacy, The Second Xiangya Hospital, Institute of Clinical Pharmacy, Central South University, Changsha, China
| | - Jian Qu
- Department of Pharmacy, The Second Xiangya Hospital, Institute of Clinical Pharmacy, Central South University, Changsha, China
- Hunan Key Laboratory of the Research and Development of Novel Pharmaceutical Preparations, Changsha Medical University, Changsha, China
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Gan Y, Meng X, Lei N, Yu H, Zeng Q, Huang Q. Meropenem Pharmacokinetics and Target Attainment in Critically Ill Patients. Infect Drug Resist 2023; 16:3989-3997. [PMID: 37366501 PMCID: PMC10290838 DOI: 10.2147/idr.s408572] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Accepted: 05/30/2023] [Indexed: 06/28/2023] Open
Abstract
Purpose This study aimed to investigate the pharmacokinetics and target attainment of meropenem and compare the effect of meropenem dosing regimens in critically ill patients. Patients and Methods Thirty-seven critically ill patients who were administered meropenem in intensive care units were analyzed. Patients were classified according to their renal function. Pharmacokinetic parameters were assessed based on Bayesian estimation. The target attainment of 40%fT > MIC (fraction time that the free concentration exceeds the minimum inhibitory concentration) and 100%fT > MIC with the pathogen MIC of 2 mg/L and 8 mg/L were specially focused. Furthermore, the effects of standard dosing (1g meropenem, 30 min intravenous infusion every 8h) and non-standard dosing (dosage regimens except standard dosing) were compared. Results The results showed that the values of meropenem clearance (CL), central volume of distribution (V1), intercompartmental clearance (Q), and peripheral volume of distribution (V2) were 3.3 L/h, 9.2 L, 20.1 L/h and 12.8 L, respectively. The CL of the patients among renal function groups was significantly different (p < 0.001). The tow targets attainment for the pathogen MIC of 2 mg/L and 8 mg/L were 89%, 73%, 49% and 27%, respectively. The severe renal impairment group has higher fraction of target attainment than the other group. The standard dosing achieved the target of 40%fT > 2/8 mg/L (85.7% and 81%, respectively) and patients with severe renal impairment achieved the target fraction of 100% for 40%fT > MIC. Additionally, there was no significant difference between standard and non-standard dosing group in target attainment. Conclusion Our findings indicate that renal function is an important covariate for both meropenem pharmacokinetics parameters and target attainment. The target attainment between standard and non-standard dosing group was not comparable. Therefore, therapeutic drug monitoring is indispensable in the dosing adjustment for critically ill patients if it is available.
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Affiliation(s)
- Yuhong Gan
- Department of Clinical Pharmacy, Meizhou People’s Hospital, Meizhou Academy of Medical Sciences, Meizhou, People’s Republic of China
| | - Xiaobin Meng
- Department of Clinical Pharmacy, Meizhou People’s Hospital, Meizhou Academy of Medical Sciences, Meizhou, People’s Republic of China
| | - Nanfeng Lei
- Department of Clinical Pharmacy, Meizhou People’s Hospital, Meizhou Academy of Medical Sciences, Meizhou, People’s Republic of China
| | - Hong Yu
- Department of Clinical Pharmacy, Meizhou People’s Hospital, Meizhou Academy of Medical Sciences, Meizhou, People’s Republic of China
| | - Qingkao Zeng
- Department of Intensive Care Unit, Meizhou People’s Hospital, Meizhou Academy of Medical Sciences, Meizhou, People’s Republic of China
| | - Qingyan Huang
- Center for Precision Medicine, Meizhou People’s Hospital, Meizhou Academy of Medical Sciences, Meizhou, People’s Republic of China
- Guangdong Provincial Engineering and Technology Research Center for Clinical Molecular Diagnostics and Antibody Therapeutics, Meizhou People’s Hospital, Meizhou Academy of Medical Sciences, Meizhou, People’s Republic of China
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Li L, Sassen SDT, Ewoldt TMJ, Abdulla A, Hunfeld NGM, Muller AE, de Winter BCM, Endeman H, Koch BCP. Meropenem Model-Informed Precision Dosing in the Treatment of Critically Ill Patients: Can We Use It? Antibiotics (Basel) 2023; 12:antibiotics12020383. [PMID: 36830294 PMCID: PMC9951903 DOI: 10.3390/antibiotics12020383] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Revised: 02/09/2023] [Accepted: 02/10/2023] [Indexed: 02/16/2023] Open
Abstract
The number of pharmacokinetic (PK) models of meropenem is increasing. However, the daily role of these PK models in the clinic remains unclear, especially for critically ill patients. Therefore, we evaluated the published meropenem models on real-world ICU data to assess their suitability for use in clinical practice. All models were built in NONMEM and evaluated using prediction and simulation-based diagnostics for the ability to predict the subsequent meropenem concentrations without plasma concentrations (a priori), and with plasma concentrations (a posteriori), for use in therapeutic drug monitoring (TDM). Eighteen PopPK models were included for evaluation. The a priori fit of the models, without the use of plasma concentrations, was poor, with a prediction error (PE)% of the interquartile range (IQR) exceeding the ±30% threshold. The fit improved when one to three concentrations were used to improve model predictions for TDM purposes. Two models were in the acceptable range with an IQR PE% within ±30%, when two or three concentrations were used. The role of PK models to determine the starting dose of meropenem in this population seems limited. However, certain models might be suitable for TDM-based dose adjustment using two to three plasma concentrations.
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Affiliation(s)
- Letao Li
- Department of Hospital Pharmacy, Erasmus University Medical Center, 3015 GD Rotterdam, The Netherlands
| | - Sebastiaan D. T. Sassen
- Department of Hospital Pharmacy, Erasmus University Medical Center, 3015 GD Rotterdam, The Netherlands
- Center for Antimicrobial Treatment Optimization Rotterdam (CATOR), 3015 GD Rotterdam, The Netherlands
- Rotterdam Clinical Pharmacometrics Group, 3015 GD Rotterdam, The Netherlands
- Correspondence:
| | - Tim M. J. Ewoldt
- Department of Hospital Pharmacy, Erasmus University Medical Center, 3015 GD Rotterdam, The Netherlands
- Rotterdam Clinical Pharmacometrics Group, 3015 GD Rotterdam, The Netherlands
- Department of Intensive Care, Erasmus University Medical Center, 3015 GD Rotterdam, The Netherlands
| | - Alan Abdulla
- Department of Hospital Pharmacy, Erasmus University Medical Center, 3015 GD Rotterdam, The Netherlands
- Center for Antimicrobial Treatment Optimization Rotterdam (CATOR), 3015 GD Rotterdam, The Netherlands
- Rotterdam Clinical Pharmacometrics Group, 3015 GD Rotterdam, The Netherlands
| | - Nicole G. M. Hunfeld
- Department of Hospital Pharmacy, Erasmus University Medical Center, 3015 GD Rotterdam, The Netherlands
- Department of Intensive Care, Erasmus University Medical Center, 3015 GD Rotterdam, The Netherlands
| | - Anouk E. Muller
- Center for Antimicrobial Treatment Optimization Rotterdam (CATOR), 3015 GD Rotterdam, The Netherlands
- Department of Medical Microbiology and Infectious Diseases, Erasmus University Medical Center, 3015 GD Rotterdam, The Netherlands
- Department of Medical Microbiology, Haaglanden Medical Centre, 2597 AX The Hague, The Netherlands
| | - Brenda C. M. de Winter
- Department of Hospital Pharmacy, Erasmus University Medical Center, 3015 GD Rotterdam, The Netherlands
- Center for Antimicrobial Treatment Optimization Rotterdam (CATOR), 3015 GD Rotterdam, The Netherlands
- Rotterdam Clinical Pharmacometrics Group, 3015 GD Rotterdam, The Netherlands
| | - Henrik Endeman
- Department of Intensive Care, Erasmus University Medical Center, 3015 GD Rotterdam, The Netherlands
| | - Birgit C. P. Koch
- Department of Hospital Pharmacy, Erasmus University Medical Center, 3015 GD Rotterdam, The Netherlands
- Center for Antimicrobial Treatment Optimization Rotterdam (CATOR), 3015 GD Rotterdam, The Netherlands
- Rotterdam Clinical Pharmacometrics Group, 3015 GD Rotterdam, The Netherlands
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Pharmacokinetics, Pharmacodynamics, and Dosing Considerations of Novel β-Lactams and β-Lactam/β-Lactamase Inhibitors in Critically Ill Adult Patients: Focus on Obesity, Augmented Renal Clearance, Renal Replacement Therapies, and Extracorporeal Membrane Oxygenation. J Clin Med 2022; 11:jcm11236898. [PMID: 36498473 PMCID: PMC9738279 DOI: 10.3390/jcm11236898] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2022] [Revised: 11/15/2022] [Accepted: 11/18/2022] [Indexed: 11/24/2022] Open
Abstract
OBJECTIVE Dose optimization of novel β-lactam antibiotics (NBLA) has become necessary given the increased prevalence of multidrug-resistant infections in intensive care units coupled with the limited number of available treatment options. Unfortunately, recommended dose regimens of NBLA based on PK/PD indices are not well-defined for critically ill patients presenting with special situations (i.e., obesity, extracorporeal membrane oxygenation (ECMO), augmented renal clearance (ARC), and renal replacement therapies (RRT)). This review aimed to discuss and summarize the available literature on the PK/PD attained indices of NBLA among critically ill patients with special circumstances. DATA SOURCES PubMed, MEDLINE, Scopus, Google Scholar, and Embase databases were searched for studies published between January 2011 and May 2022. STUDY SELECTION AND DATA EXTRACTION Articles relevant to NBLA (i.e., ceftolozane/tazobactam, ceftazidime/avibactam, cefiderocol, ceftobiprole, imipenem/relebactam, and meropenem/vaborbactam) were selected. The MeSH terms of "obesity", "augmented renal clearance", "renal replacement therapy", "extracorporeal membrane oxygenation", "pharmacokinetic", "pharmacodynamic" "critically ill", and "intensive care" were used for identification of articles. The search was limited to adult humans' studies that were published in English. A narrative synthesis of included studies was then conducted accordingly. DATA SYNTHESIS Available evidence surrounding the use of NBLA among critically ill patients presenting with special situations was limited by the small sample size of the included studies coupled with high heterogeneity. The PK/PD target attainments of NBLA were reported to be minimally affected by obesity and/or ECMO, whereas the effect of renal functionality (in the form of either ARC or RRT) was more substantial. CONCLUSION Critically ill patients presenting with special circumstances might be at risk of altered NBLA pharmacokinetics, particularly in the settings of ARC and RRT. More robust, well-designed trials are still required to define effective dose regimens able to attain therapeutic PK/PD indices of NBLA when utilized in those special scenarios, and thus aid in improving the patients' outcomes.
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Hefny F, Sambhi S, Morris C, Kung JY, Stuart A, Mahmoud SH. Drug Dosing in Critically Ill Adult Patients with Augmented Renal Clearance. Eur J Drug Metab Pharmacokinet 2022; 47:607-620. [PMID: 35763238 DOI: 10.1007/s13318-022-00779-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/25/2022] [Indexed: 11/03/2022]
Abstract
Augmented renal clearance (ARC) is a phenomenon of enhanced renal function seen in critically ill patients. ARC alters the disposition of renally eliminated medications currently used in the intensive care unit, resulting in underdosing and potential therapy failure. Our review addresses the rising concern of inadequate dosing in patients with ARC by summarizing the currently available evidence. To our knowledge, this guide is the first to provide clinicians with dose recommendation insights for renally eliminated agents in adult critically ill patients with ARC. A comprehensive literature search using MEDLINE, Embase, Cochrane Library, CINAHL, Scopus, and ProQuest Dissertations and Theses Global was conducted until 3 November 2021. Screening and data extraction were conducted in two steps: title and abstract screening followed by full-text review. Full text review resulted in a total of 51 studies included in this review. The results demonstrated the need for higher-than-standard doses for meropenem, imipenem, and vancomycin and reduced dosing intervals for ceftriaxone in patients with ARC. The potential need for increased dosing frequency in patients with ARC was also found for both enoxaparin and levetiracetam. In conclusion, ARC has been shown to influence the probability of target attainment in several medications requiring dosing changes to mitigate the risk of therapeutic failure.
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Affiliation(s)
- Fatma Hefny
- Katz Group Centre for Pharmacy and Health Research, Faculty of Pharmacy and Pharmaceutical Sciences, University of Alberta, 3-142H, Edmonton, AB, T6G 2E1, Canada
| | - Sukhvir Sambhi
- Katz Group Centre for Pharmacy and Health Research, Faculty of Pharmacy and Pharmaceutical Sciences, University of Alberta, 3-142H, Edmonton, AB, T6G 2E1, Canada
| | - Cassidy Morris
- Katz Group Centre for Pharmacy and Health Research, Faculty of Pharmacy and Pharmaceutical Sciences, University of Alberta, 3-142H, Edmonton, AB, T6G 2E1, Canada
| | - Janice Y Kung
- Public Services Librarian, John W. Scott Health Sciences Library, University of Alberta, Edmonton, AB, Canada
| | - Anna Stuart
- Katz Group Centre for Pharmacy and Health Research, Faculty of Pharmacy and Pharmaceutical Sciences, University of Alberta, 3-142H, Edmonton, AB, T6G 2E1, Canada
| | - Sherif Hanafy Mahmoud
- Katz Group Centre for Pharmacy and Health Research, Faculty of Pharmacy and Pharmaceutical Sciences, University of Alberta, 3-142H, Edmonton, AB, T6G 2E1, Canada.
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10
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Yang N, Wang J, Xie Y, Ding J, Wu C, Liu J, Pei Q. External Evaluation of Population Pharmacokinetic Models to Inform Precision Dosing of Meropenem in Critically Ill Patients. Front Pharmacol 2022; 13:838205. [PMID: 35662716 PMCID: PMC9157771 DOI: 10.3389/fphar.2022.838205] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Accepted: 03/10/2022] [Indexed: 11/21/2022] Open
Abstract
Routine clinical meropenem therapeutic drug monitoring data can be applied to model-informed precision dosing. The current study aimed to evaluate the adequacy and predictive capabilities of the published models with routine meropenem data and identify the dosing adaptations using a priori and Bayesian estimation. For this, 14 meropenem models for the external evaluation carried out on an independent cohort of 134 patients with 205 meropenem concentrations were encoded in NONMEM 7.3. The performance was determined using: 1) prediction-based and simulation-based diagnostics; and 2) predicted meropenem concentrations by a priori prediction using patient covariates only; and Bayesian forecasting using previous observations. The clinical implications were assessed according to the required dose adaptations using the meropenem concentrations. All assessments were stratified based on the patients with or without continuous renal replacement therapy. Although none of the models passed all tests, the model by Muro et al. showed the least bias. Bayesian forecasting could improve the predictability over an a priori approach, with a relative bias of −11.63–68.89% and −302.96%–130.37%, and a relative root mean squared error of 34.99–110.11% and 14.78–241.81%, respectively. A dosing change was required in 40.00–68.97% of the meropenem observation results after Bayesian forecasting. In summary, the published models couldn’t adequately describe the meropenem pharmacokinetics of our center. Although the selection of an initial meropenem dose with a priori prediction is challenging, the further model-based analysis combining therapeutic drug monitoring could be utilized in the clinical practice of meropenem therapy.
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Affiliation(s)
- Nan Yang
- Department of Pharmacy, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Jing Wang
- Department of Pharmacy, Xiamen Children's Hospital (Children's Hospital of Fudan University Xiamen Branch), Xiamen, China
| | - Yueliang Xie
- Department of Pharmacy, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Junjie Ding
- Center for Tropical Medicine and Global Health, Nuffield Department of Clinical Medicine, University of Oxford, Oxford, United Kingdom
| | - Cuifang Wu
- Department of Pharmacy, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Jingjing Liu
- Department of Intensive Medicine, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Qi Pei
- Department of Pharmacy, The Third Xiangya Hospital, Central South University, Changsha, China
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11
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Weinelt FA, Stegemann MS, Theloe A, Pfäfflin F, Achterberg S, Weber F, Dübel L, Mikolajewska A, Uhrig A, Kiessling P, Huisinga W, Michelet R, Hennig S, Kloft C. Evaluation of a Meropenem and Piperacillin Monitoring Program in Intensive Care Unit Patients Calls for the Regular Assessment of Empirical Targets and Easy-to-Use Dosing Decision Tools. Antibiotics (Basel) 2022; 11:antibiotics11060758. [PMID: 35740164 PMCID: PMC9219867 DOI: 10.3390/antibiotics11060758] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Revised: 05/25/2022] [Accepted: 05/29/2022] [Indexed: 02/01/2023] Open
Abstract
The drug concentrations targeted in meropenem and piperacillin/tazobactam therapy also depend on the susceptibility of the pathogen. Yet, the pathogen is often unknown, and antibiotic therapy is guided by empirical targets. To reliably achieve the targeted concentrations, dosing needs to be adjusted for renal function. We aimed to evaluate a meropenem and piperacillin/tazobactam monitoring program in intensive care unit (ICU) patients by assessing (i) the adequacy of locally selected empirical targets, (ii) if dosing is adequately adjusted for renal function and individual target, and (iii) if dosing is adjusted in target attainment (TA) failure. In a prospective, observational clinical trial of drug concentrations, relevant patient characteristics and microbiological data (pathogen, minimum inhibitory concentration (MIC)) for patients receiving meropenem or piperacillin/tazobactam treatment were collected. If the MIC value was available, a target range of 1–5 × MIC was selected for minimum drug concentrations of both drugs. If the MIC value was not available, 8–40 mg/L and 16–80 mg/L were selected as empirical target ranges for meropenem and piperacillin, respectively. A total of 356 meropenem and 216 piperacillin samples were collected from 108 and 96 ICU patients, respectively. The vast majority of observed MIC values was lower than the empirical target (meropenem: 90.0%, piperacillin: 93.9%), suggesting empirical target value reductions. TA was found to be low (meropenem: 35.7%, piperacillin 50.5%) with the lowest TA for severely impaired renal function (meropenem: 13.9%, piperacillin: 29.2%), and observed drug concentrations did not significantly differ between patients with different targets, indicating dosing was not adequately adjusted for renal function or target. Dosing adjustments were rare for both drugs (meropenem: 6.13%, piperacillin: 4.78%) and for meropenem irrespective of TA, revealing that concentration monitoring alone was insufficient to guide dosing adjustment. Empirical targets should regularly be assessed and adjusted based on local susceptibility data. To improve TA, scientific knowledge should be translated into easy-to-use dosing strategies guiding antibiotic dosing.
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Affiliation(s)
- Ferdinand Anton Weinelt
- Department of Clinical Pharmacy and Biochemistry, Institute of Pharmacy, Freie Universitaet Berlin, Kelchstr. 31, 12169 Berlin, Germany; (F.A.W.); (L.D.); (F.W.); (R.M.); (S.H.)
- Graduate Research Training Program PharMetrX, Freie Universitaet Berlin/Universität Potsdam, 12169 Berlin, Germany
| | - Miriam Songa Stegemann
- Department of Infectious Diseases and Respiratory Medicine, Charité-Universitaetsmedizin Berlin, Corporate Member of Freie Universitaet Berlin, Humboldt-Universitaet zu Berlin, Berlin Institute of Health, 13353 Berlin, Germany; (M.S.S.); (F.P.); (S.A.); (A.M.); (A.U.)
- Antimicrobial Stewardship, Charité-Universitaetsmedizin Berlin, Corporate Member of Freie Universitaet Berlin, Humboldt-Universitaet zu Berlin, Berlin Institute of Health, 13353 Berlin, Germany
| | - Anja Theloe
- Pharmacy Department, Charité-Universitaetsmedizin Berlin, Corporate Member of Freie Universitaet Berlin, Humboldt-Universitaet zu Berlin, Berlin Institute of Health, 13353 Berlin, Germany;
| | - Frieder Pfäfflin
- Department of Infectious Diseases and Respiratory Medicine, Charité-Universitaetsmedizin Berlin, Corporate Member of Freie Universitaet Berlin, Humboldt-Universitaet zu Berlin, Berlin Institute of Health, 13353 Berlin, Germany; (M.S.S.); (F.P.); (S.A.); (A.M.); (A.U.)
- Antimicrobial Stewardship, Charité-Universitaetsmedizin Berlin, Corporate Member of Freie Universitaet Berlin, Humboldt-Universitaet zu Berlin, Berlin Institute of Health, 13353 Berlin, Germany
| | - Stephan Achterberg
- Department of Infectious Diseases and Respiratory Medicine, Charité-Universitaetsmedizin Berlin, Corporate Member of Freie Universitaet Berlin, Humboldt-Universitaet zu Berlin, Berlin Institute of Health, 13353 Berlin, Germany; (M.S.S.); (F.P.); (S.A.); (A.M.); (A.U.)
| | - Franz Weber
- Department of Clinical Pharmacy and Biochemistry, Institute of Pharmacy, Freie Universitaet Berlin, Kelchstr. 31, 12169 Berlin, Germany; (F.A.W.); (L.D.); (F.W.); (R.M.); (S.H.)
- Graduate Research Training Program PharMetrX, Freie Universitaet Berlin/Universität Potsdam, 12169 Berlin, Germany
| | - Lucas Dübel
- Department of Clinical Pharmacy and Biochemistry, Institute of Pharmacy, Freie Universitaet Berlin, Kelchstr. 31, 12169 Berlin, Germany; (F.A.W.); (L.D.); (F.W.); (R.M.); (S.H.)
| | - Agata Mikolajewska
- Department of Infectious Diseases and Respiratory Medicine, Charité-Universitaetsmedizin Berlin, Corporate Member of Freie Universitaet Berlin, Humboldt-Universitaet zu Berlin, Berlin Institute of Health, 13353 Berlin, Germany; (M.S.S.); (F.P.); (S.A.); (A.M.); (A.U.)
| | - Alexander Uhrig
- Department of Infectious Diseases and Respiratory Medicine, Charité-Universitaetsmedizin Berlin, Corporate Member of Freie Universitaet Berlin, Humboldt-Universitaet zu Berlin, Berlin Institute of Health, 13353 Berlin, Germany; (M.S.S.); (F.P.); (S.A.); (A.M.); (A.U.)
| | | | - Wilhelm Huisinga
- Institute of Mathematics, Universität Potsdam, Karl-Liebknecht-Str. 24-25, 14476 Potsdam, Germany;
| | - Robin Michelet
- Department of Clinical Pharmacy and Biochemistry, Institute of Pharmacy, Freie Universitaet Berlin, Kelchstr. 31, 12169 Berlin, Germany; (F.A.W.); (L.D.); (F.W.); (R.M.); (S.H.)
| | - Stefanie Hennig
- Department of Clinical Pharmacy and Biochemistry, Institute of Pharmacy, Freie Universitaet Berlin, Kelchstr. 31, 12169 Berlin, Germany; (F.A.W.); (L.D.); (F.W.); (R.M.); (S.H.)
- School of Clinical Sciences, Faculty of Health, Queensland University of Technology, Brisbane, QLD 4000, Australia
- Certara, Inc., Princeton, NJ 08540, USA
| | - Charlotte Kloft
- Department of Clinical Pharmacy and Biochemistry, Institute of Pharmacy, Freie Universitaet Berlin, Kelchstr. 31, 12169 Berlin, Germany; (F.A.W.); (L.D.); (F.W.); (R.M.); (S.H.)
- Correspondence: ; Tel.: +49-30-838-50676
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12
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Silva CM, Baptista JP, Santos I, Martins P. Recommended Antibiotic Dosage Regimens in Critically Ill Patients with Augmented Renal Clearance: A Systematic Review. Int J Antimicrob Agents 2022; 59:106569. [DOI: 10.1016/j.ijantimicag.2022.106569] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2021] [Revised: 02/15/2022] [Accepted: 03/06/2022] [Indexed: 12/17/2022]
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13
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Prevalence and Risk Factors of Augmented Renal Clearance: A Systematic Review and Meta-Analysis. Pharmaceutics 2022; 14:pharmaceutics14020445. [PMID: 35214177 PMCID: PMC8878755 DOI: 10.3390/pharmaceutics14020445] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 02/14/2022] [Accepted: 02/15/2022] [Indexed: 02/04/2023] Open
Abstract
Kidney function assessment in the critically ill overlooks the possibility for hyperfunctioning kidneys, known as augmented renal clearance (ARC), which could contribute to therapeutic failures in the intensive care unit (ICU). The aim of this research is to conduct a systematic review and meta-analysis of prevalence and risk factors of ARC in the critically ill. MEDLINE, Embase, Cochrane Library, CINAHL, Scopus, ProQuest Dissertations and Theses Global databases were searched on 27 October 2020. We included studies conducted in critically ill adults who reported the prevalence and/or risk factors of ARC. We evaluated study quality using the Joanna Briggs Institute appraisal tool. Case reports, reviews, editorials and commentaries were excluded. We generated a random-effects meta-analytic model using the inverse variance method and visualized the pooled estimates using forest plots. Seventy studies were included. The pooled prevalence (95% CI) was 39% (34.9–43.3). Prevalence for neuro, trauma, mixed and sepsis ICUs were 74 (55–87), 58 (48–67), 36 (31–41) and 33 (21–48), respectively. Age, male sex and trauma were associated with ARC with pooled OR (95% CI) of 0.95 (0.93–0.96), 2.36 (1.28–4.36), 2.60 (1.21–5.58), respectively. Limitations included variations in ARC definition, inclusion and exclusion criteria and studies design. In conclusion, ARC is prevalent in critically ill patients, especially those in the neurocritical care and trauma ICU population. Young age, male sex and trauma are risk factors for ARC in those with apparently normal renal function. Further research on optimal dosing of drugs in the setting of ARC is warranted. (Prospero registration: CRD42021246417).
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14
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Razzazzadeh S, Darazam IA, Hajiesmaeili M, Salamzadeh J, Mahboubi A, Sadeghnezhad E, Sahraei Z. Investigation of pharmacokinetic and clinical outcomes of various meropenem regimens in patients with ventilator-associated pneumonia and augmented renal clearance. Eur J Clin Pharmacol 2022; 78:823-829. [PMID: 35171317 DOI: 10.1007/s00228-022-03291-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2021] [Accepted: 02/04/2022] [Indexed: 11/03/2022]
Abstract
INTRODUCTION Augmented renal clearance (ARC) defined as creatinine clearance (Clcr) above 130 mL/min/1.73m2 may lead to suboptimal antibacterial treatment. The aim of this study was to determine a strategy for meropenem administration to achieve both pharmacodynamic-pharmacokinetic (PK-PD) target (50%fT > MIC) and better clinical outcomes in patients with VAP and ARC. MATERIALS AND METHODS In this randomized clinical trial, patients with VAP and high risk for ARC were recruited. An 8-h urine collection was performed on the 1st, 3rd, and 5th days of study to measure Clcr. Included patients were divided into three groups: (1) 1 g meropenem, 3-h infusion, (2) 2 g meropenem, 3-h infusion, (3) 1 g meropenem, 6-h infusion. On the 2nd, 3rd, and 5th days of treatment, peak and trough blood samples were collected to undergo HPLC assay. MICs were assessed using microdilution method. Patients were also clinically monitored for 14 days. RESULTS Forty-five patients were included. Group 3 showed significanty higher rate of patients achieving fT > MIC > 50% (100% for group 3 versus 40% for group 2 and 13% for group 1; p = 0.0001). Mean fT > MIC% was significantly higher in group 3 (78.77 ± 5.87 for group 3 versus 49.6 ± 7.38 for group 2 and 43.2 ± 7.98 for group 1; p = 0.0001). Statistical analysis showed no significant differences among groups regarding clinical improvement. CONCLUSION According to the findings of this trial, prolonged meropenem infusion is an appropriate strategy compared to dose elevation among ARC patients.
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Affiliation(s)
- Sareh Razzazzadeh
- Department of Clinical Pharmacy, School of Pharmacy, Shahid Beheshti University of Medical Sciences, P.O. Box, 14155-6153, Tehran, Iran
| | - Ilad Alavi Darazam
- Department of Infectious Diseases and Tropical Medicine, Loghman Hakim Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mohammadreaza Hajiesmaeili
- Anesthesiology Research Center, Loghman Hakim Medical Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Jamshid Salamzadeh
- Department of Clinical Pharmacy, School of Pharmacy, Shahid Beheshti University of Medical Sciences, P.O. Box, 14155-6153, Tehran, Iran
| | - Arash Mahboubi
- Departmant of Pharmaceutics, School of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Ehsan Sadeghnezhad
- Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran
| | - Zahra Sahraei
- Department of Clinical Pharmacy, School of Pharmacy, Shahid Beheshti University of Medical Sciences, P.O. Box, 14155-6153, Tehran, Iran. .,Department of Infectious Diseases, Loghman Hakim Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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15
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Gijsen M, Elkayal O, Annaert P, Van Daele R, Meersseman P, Debaveye Y, Wauters J, Dreesen E, Spriet I. Meropenem Target Attainment and Population Pharmacokinetics in Critically Ill Septic Patients with Preserved or Increased Renal Function. Infect Drug Resist 2022; 15:53-62. [PMID: 35035223 PMCID: PMC8754504 DOI: 10.2147/idr.s343264] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Accepted: 12/14/2021] [Indexed: 12/30/2022] Open
Abstract
Purpose Critically ill patients with preserved or increased renal function have been shown to be at risk of underexposure to meropenem. Although many meropenem population pharmacokinetic (PK) models have been published, there is no large prospective population PK study with rich sampling focusing on patients most at risk of suboptimal pharmacokinetic/pharmacodynamic (PK/PD) target attainment. Therefore, the aim of the present study was to evaluate PK/PD target attainment and to perform a thorough covariate screening using population PK modelling of meropenem in septic patients with preserved or increased renal function. Patients and Methods A single-centre prospective observational PK study was performed in the intensive care unit (ICU) of the University Hospitals Leuven. Patients with severe sepsis or septic shock and treated with meropenem in the ICU were screened for inclusion. Patients were excluded if they received renal replacement therapy or had an estimated glomerular filtration rate according to the Chronic Kidney Disease Epidemiology collaboration equation <70 mL/min/1.73m2 on the day of PK sampling. Successful PK/PD target attainment was defined as an unbound meropenem trough concentration above 2 mg/L or 8 mg/L. Population PK modelling was performed with NONMEM7.4. Results In total, 58 patients were included, contributing 345 plasma samples over 70 dosing intervals. The 2 mg/L and 8 mg/L targets were successfully attained in 46% and 11% of all dosing intervals, respectively. A two-compartment population PK model with linear elimination and interindividual variability on clearance best described meropenem PK. The estimated creatinine clearance according to the Cockcroft-Gault equation was the only covariate retained during population PK analysis. Conclusion This study provided detailed insight into meropenem PK in critically ill patients with preserved or increased renal function. We observed poor PK/PD target attainment, for which renal function was the only significant covariate. Trial Registration This study is registered at ClinicalTrials.gov (NCT03560557).
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Affiliation(s)
- Matthias Gijsen
- Department of Pharmaceutical and Pharmacological Sciences, KU Leuven, Leuven, Belgium.,Pharmacy Department, University Hospitals Leuven, Leuven, Belgium
| | - Omar Elkayal
- Department of Pharmaceutical and Pharmacological Sciences, KU Leuven, Leuven, Belgium
| | - Pieter Annaert
- Department of Pharmaceutical and Pharmacological Sciences, KU Leuven, Leuven, Belgium.,BioNotus, Niel, Belgium
| | - Ruth Van Daele
- Department of Pharmaceutical and Pharmacological Sciences, KU Leuven, Leuven, Belgium.,Pharmacy Department, University Hospitals Leuven, Leuven, Belgium
| | | | - Yves Debaveye
- Department of Cellular and Molecular Medicine, KU Leuven, Leuven, Belgium
| | - Joost Wauters
- Department of Cellular and Molecular Medicine, KU Leuven, Leuven, Belgium
| | - Erwin Dreesen
- Department of Pharmaceutical and Pharmacological Sciences, KU Leuven, Leuven, Belgium
| | - Isabel Spriet
- Department of Pharmaceutical and Pharmacological Sciences, KU Leuven, Leuven, Belgium.,Pharmacy Department, University Hospitals Leuven, Leuven, Belgium
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16
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Beunders R, Schütz MJ, van Groenendael R, Leijte GP, Kox M, van Eijk LT, Pickkers P. Endotoxemia-Induced Release of Pro-inflammatory Mediators Are Associated With Increased Glomerular Filtration Rate in Humans in vivo. Front Med (Lausanne) 2020; 7:559671. [PMID: 33251227 PMCID: PMC7674961 DOI: 10.3389/fmed.2020.559671] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Accepted: 10/08/2020] [Indexed: 11/13/2022] Open
Abstract
Introduction: Sepsis is the most prevalent cause of Acute Kidney Injury (AKI). Conversely, in some septic patients the glomerular filtration rate (GFR) is augmented. The role of the inflammatory response and blood pressure to induce this increased GFR is unknown. Herein, we relate inflammatory mediators and blood pressure to the iohexol clearance-derived “true” GFR and kidney injury markers during systemic inflammation in healthy volunteers. Methods: Twelve healthy subjects underwent experimental endotoxemia (i.v. administration of 2 ng/kg Escherichia coli-derived lipopolysaccharide, LPS). As a gold-standard to determine the GFR, iohexol plasma clearance (GFRiohexol) was calculated during a 6-h period on the day before (baseline) as well as 2 and 24 h after LPS administration. Intra-arterial blood pressure was recorded continuously using a radial artery catheter. Circulating inflammatory mediators and urinary excretion of kidney injury markers were serially measured. Results: Experimental endotoxemia profoundly increased plasma concentrations of inflammatory mediators, including [mean ± SD or median [IQR] peak values (pg/mL) of tumor necrosis factor (TNF)-α: 92 ± 40, interleukin (IL)-6: 1,246 ± 605, IL-8: 374 ± 120, IL-10: 222 ± 119, IL-1 receptor antagonist (RA): 8,955 ± 2,429, macrophage chemoattractant protein (MCP)-1: 2,885 [2,706 – 3,765], vascular adhesion molecule (VCAM)-1: 296,105 ± 34,822, intercellular adhesion molecule (ICAM)-1: 25,0170 ± 41,764]. Mean arterial pressure decreased with 13 ± 11 mmHg (p < 0.0001). No significant increase in the urinary excretion of tubular injury markers was observed following LPS administration. GFRiohexol increased from 97 ± 6 at baseline to 118 ± 10 mL/min/1.73m2 (p < 0.0001) post-LPS administration and returned to baseline levels at 24 h post-LPS (99 ± 9 mL/min/1.73m2). Peak plasma concentrations of IL-6 (R2 = 0.66, p = 0.001) and IL-8 (R2 = 0.51, p = 0.009), MCP-1 (R2 = 0.38, p = 0.03) and VCAM-1 levels (R2 = 0.37, p = 0.04) correlated with the increase in GFRiohexol, whereas a trend was observed for TNF-α (R2 = 0.33, p = 0.0509) and IL-1RA (R2 = 0.28, p = 0.08). None of the kidney injury markers or changes in blood pressure were associated with GFRiohexol. In multiple linear regression analysis, both peak IL-6 (p = 0.002) and IL-8 (p = 0.01) concentrations remained significantly correlated with GFRiohexol, without collinearity. Discussion: Concentrations of pro-inflammatory cytokines, but not blood pressure, are correlated with the endotoxemia-induced increase in GFR in healthy volunteers. These findings may indicate that inflammatory mediators orchestrate the augmented GFR observed in a subgroup of sepsis patients.
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Affiliation(s)
- Remi Beunders
- Department of Intensive Care Medicine, Radboud University Medical Center, Nijmegen, Netherlands.,Radboud Center for Infectious Diseases (RCI), Radboud University Medical Center, Nijmegen, Netherlands.,Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, Netherlands
| | - Maren J Schütz
- Department of Intensive Care Medicine, Radboud University Medical Center, Nijmegen, Netherlands
| | - Roger van Groenendael
- Radboud Center for Infectious Diseases (RCI), Radboud University Medical Center, Nijmegen, Netherlands.,Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, Netherlands.,Department of Anesthesiology, Pain and Palliative Medicine, Radboud University Medical Center, Nijmegen, Netherlands
| | - Guus P Leijte
- Department of Intensive Care Medicine, Radboud University Medical Center, Nijmegen, Netherlands.,Radboud Center for Infectious Diseases (RCI), Radboud University Medical Center, Nijmegen, Netherlands.,Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, Netherlands
| | - Matthijs Kox
- Department of Intensive Care Medicine, Radboud University Medical Center, Nijmegen, Netherlands.,Radboud Center for Infectious Diseases (RCI), Radboud University Medical Center, Nijmegen, Netherlands.,Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, Netherlands
| | - Lucas T van Eijk
- Radboud Center for Infectious Diseases (RCI), Radboud University Medical Center, Nijmegen, Netherlands.,Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, Netherlands.,Department of Anesthesiology, Pain and Palliative Medicine, Radboud University Medical Center, Nijmegen, Netherlands
| | - Peter Pickkers
- Department of Intensive Care Medicine, Radboud University Medical Center, Nijmegen, Netherlands.,Radboud Center for Infectious Diseases (RCI), Radboud University Medical Center, Nijmegen, Netherlands.,Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, Netherlands
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17
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Adembri C, Novelli A, Nobili S. Some Suggestions from PK/PD Principles to Contain Resistance in the Clinical Setting-Focus on ICU Patients and Gram-Negative Strains. Antibiotics (Basel) 2020; 9:E676. [PMID: 33036190 PMCID: PMC7601871 DOI: 10.3390/antibiotics9100676] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2020] [Revised: 09/30/2020] [Accepted: 10/02/2020] [Indexed: 12/18/2022] Open
Abstract
The containment of the phenomenon of resistance towards antimicrobials is a priority, especially in preserving molecules acting against Gram-negative pathogens, which represent the isolates more frequently found in the fragile population of patients admitted to Intensive Care Units. Antimicrobial therapy aims to prevent resistance through several actions, which are collectively known as "antimicrobial stewardship", to be taken together, including the application of pharmacokinetic/pharmacodynamic (PK/PD) principles. PK/PD application has been shown to prevent the emergence of resistance in numerous experimental studies, although a straight translation to the clinical setting is not possible. Individualized antibiotic dosing and duration should be pursued in all patients, and even more especially when treating intensive care unit (ICU) septic patients in whom optimal exposure is both difficult to achieve and necessary. In this review, we report on the available data that support the application of PK/PD parameters to contain the development of resistance and we give some practical suggestions that can help to translate the benefit of PK/PD application to the bedside.
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Affiliation(s)
- Chiara Adembri
- Department of Health Sciences, Section of Anesthesiology and IC, University of Florence, 50134 Firenze, Italy;
| | - Andrea Novelli
- Department of Health Sciences, Section of Clinical Pharmacology and Oncology, University of Florence, 50139 Firenze, Italy;
| | - Stefania Nobili
- Department of Health Sciences, Section of Clinical Pharmacology and Oncology, University of Florence, 50139 Firenze, Italy;
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18
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Fujii M, Karumai T, Yamamoto R, Kobayashi E, Ogawa K, Tounai M, Lipman J, Hayashi Y. Pharmacokinetic and pharmacodynamic considerations in antimicrobial therapy for sepsis. Expert Opin Drug Metab Toxicol 2020; 16:415-430. [DOI: 10.1080/17425255.2020.1750597] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Motoki Fujii
- Department of Intensive Care Medicine, Kameda Medical Center, Kamogawa, Chiba, Japan
- Department of Infectious Disease, Kameda Medical Center, Kamogawa, Chiba, Japan
| | - Toshiyuki Karumai
- Department of Intensive Care Medicine, Kameda Medical Center, Kamogawa, Chiba, Japan
| | - Ryohei Yamamoto
- Department of Intensive Care Medicine, Kameda Medical Center, Kamogawa, Chiba, Japan
- Department of Healthcare Epidemiology, Graduate School of Medicine and Public Health, Kyoto University, Kyoto, Japan
| | - Eri Kobayashi
- Department of Intensive Care Medicine, Kameda Medical Center, Kamogawa, Chiba, Japan
| | - Kenta Ogawa
- Department of Intensive Care Medicine, Kameda Medical Center, Kamogawa, Chiba, Japan
| | - Mayuko Tounai
- Department of Intensive Care Medicine, Kameda Medical Center, Kamogawa, Chiba, Japan
| | - Jeffrey Lipman
- UQ Centre for Clinical Research, The University of Queensland, Brisbane, QLD, Australia
- Scientific Consultant, Nimes University Hospital, University of Montpellier, Nimes, France
| | - Yoshiro Hayashi
- Department of Intensive Care Medicine, Kameda Medical Center, Kamogawa, Chiba, Japan
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19
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Scharf C, Paal M, Schroeder I, Vogeser M, Draenert R, Irlbeck M, Zoller M, Liebchen U. Therapeutic Drug Monitoring of Meropenem and Piperacillin in Critical Illness-Experience and Recommendations from One Year in Routine Clinical Practice. Antibiotics (Basel) 2020; 9:antibiotics9030131. [PMID: 32245195 PMCID: PMC7148485 DOI: 10.3390/antibiotics9030131] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2020] [Revised: 03/18/2020] [Accepted: 03/19/2020] [Indexed: 12/19/2022] Open
Abstract
Various studies have reported insufficient beta-lactam concentrations in critically ill patients. The extent to which therapeutic drug monitoring (TDM) in clinical practice can reduce insufficient antibiotic concentrations is an ongoing matter of investigation. We retrospectively evaluated routine meropenem and piperacillin measurements in critically ill patients who received antibiotics as short infusions in the first year after initiating a beta-lactam TDM program. Total trough concentrations above 8.0 mg/L for meropenem and above 22.5 mg/L for piperacillin were defined as the breakpoints for target attainment. We included 1832 meropenem samples and 636 piperacillin samples. We found that 39.3% of meropenem and 33.6% of piperacillin samples did not reach the target concentrations. We observed a clear correlation between renal function and antibiotic concentration (meropenem, r = 0.53; piperacillin, r = 0.63). Patients with renal replacement therapy or creatinine clearance (CrCl) of <70 mL/min had high rates of target attainment with the standard dosing regimens. There was a low number of patients with a CrCl >100 mL/min that achieved the target concentrations with the maximum recommended dosage. Patients with impaired renal function only required TDM if toxic side effects were noted. In contrast, patients with normal renal function required different dosage regimens and TDM-guided therapy to reach the breakpoints of target attainment.
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Affiliation(s)
- Christina Scharf
- Department of Anesthesiology, University Hospital, LMU Munich, 81377 Munich, Germany; (I.S.); (M.I.); (M.Z.); (U.L.)
- Correspondence: ; Fax: +49-89-4400-78886
| | - Michael Paal
- Institute of Laboratory Medicine, University Hospital, LMU Munich, 81377 Munich, Germany; (M.P.); (M.V.)
| | - Ines Schroeder
- Department of Anesthesiology, University Hospital, LMU Munich, 81377 Munich, Germany; (I.S.); (M.I.); (M.Z.); (U.L.)
| | - Michael Vogeser
- Institute of Laboratory Medicine, University Hospital, LMU Munich, 81377 Munich, Germany; (M.P.); (M.V.)
| | - Rika Draenert
- Section Clinical Infectious Diseases, University Hospital, LMU Munich, 81377 Munich, Germany;
| | - Michael Irlbeck
- Department of Anesthesiology, University Hospital, LMU Munich, 81377 Munich, Germany; (I.S.); (M.I.); (M.Z.); (U.L.)
| | - Michael Zoller
- Department of Anesthesiology, University Hospital, LMU Munich, 81377 Munich, Germany; (I.S.); (M.I.); (M.Z.); (U.L.)
| | - Uwe Liebchen
- Department of Anesthesiology, University Hospital, LMU Munich, 81377 Munich, Germany; (I.S.); (M.I.); (M.Z.); (U.L.)
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20
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Kächele M, Keller F. [Pharmacokinetics and pharmacodynamics in extracorporeal renal replacement therapy]. Med Klin Intensivmed Notfmed 2020; 116:295-300. [PMID: 32047978 DOI: 10.1007/s00063-020-00654-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2019] [Revised: 11/18/2019] [Accepted: 11/18/2019] [Indexed: 11/26/2022]
Abstract
Intermittent hemodialysis, continuous hemofiltration and prolonged daily dialysis are used for renal replacement therapy in the intensive care units. Independent of the replacement modality, antibiotic therapy must start with a high loading dose. Dose adjustment to the kidneys must follow 48 h later to prevent toxic accumulation. Dose recommendations on product labels are often underdosed. On continuous hemofiltration, meanwhile many intensivists administer a normal standard dose because the high filtration rate corresponds to a half-normal glomerular filtration rate. After intermittent hemodialysis, a dose similar to the loading dose will be needed. On day off dialysis, the maintenance dose must be adjusted to the failing kidney function. Immediately after prolonged daily dialysis, a loading dose should be given; with twice daily dosing the maintenance dose needs to be adjusted to kidney function. Therapeutic drug monitoring is recommended for gentamicin, vancomycin, piperacillin, meropenem and voriconazole. Due to pharmacodynamic reasons, the target concentration corresponds to the concentration producing the half-maximum effect. Accordingly, the target concentration is the normal peak for concentration-dependent action with bolus dosing. The target is the average steady-state concentration for antibiotics with time-dependent action and continuous infusion.
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Affiliation(s)
- M Kächele
- Zentrum für Innere Medizin, Innere 1, Nephrologie, Universitätsklinikum Ulm, Albert-Einstein-Allee 23, 89081, Ulm, Deutschland.
| | - F Keller
- Zentrum für Innere Medizin, Innere 1, Nephrologie, Universitätsklinikum Ulm, Albert-Einstein-Allee 23, 89081, Ulm, Deutschland
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21
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Nowak-Kózka I, Polok KJ, Górka J, Fronczek J, Gielicz A, Seczyńska B, Czuczwar M, Kudliński B, Szczeklik W. Concentration of meropenem in patients with sepsis and acute kidney injury before and after initiation of continuous renal replacement therapy: a prospective observational trial. Pharmacol Rep 2020; 72:147-155. [DOI: 10.1007/s43440-019-00056-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2019] [Revised: 11/13/2019] [Accepted: 12/17/2019] [Indexed: 12/14/2022]
Abstract
Abstract
Background
The effect of renal replacement therapy on drug concentrations in patients with sepsis has not been fully elucidated because the pharmacokinetic properties of many antimicrobials are influenced by both pathophysiological and treatment-related factors. The aim of this study was to determine meropenem concentrations in patients with sepsis before and after the initiation of continuous venovenous hemodialysis with regional citrate anticoagulation (RCA-CVVHD).
Methods
The study included 15 critically ill patients undergoing RCA-CVVHD due to sepsis-induced acute kidney injury. All participants received 2 g of meropenem every 8 h in a prolonged infusion lasting 3 h. Meropenem concentrations were measured in blood plasma using high-performance liquid chromatography coupled with tandem mass spectrometry. Blood samples were obtained at six-time points prior to and at six-time points after introducing RCA-CVVHD.
Results
The median APACHE IV and SOFA scores on admission were 118 points (interquartile range [IQR] 97–134 points) and 19.5 points (IQR 18–21 points), respectively. There were no significant differences in the plasma concentrations of meropenem measured directly before RCA-CVVHD and during the first 450 min of the procedure. The drug concentration reached its peak 2 h after initiating the infusion and then steadily declined.
Conclusions
The concentration of high-dose meropenem (2 g every 8 h) administered in a prolonged infusion was similar before and after the introduction of RCA-CVVHD in patients with sepsis who developed acute kidney injury.
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22
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Carrié C, Chadefaux G, Sauvage N, de Courson H, Petit L, Nouette-Gaulain K, Pereira B, Biais M. Increased β-Lactams dosing regimens improve clinical outcome in critically ill patients with augmented renal clearance treated for a first episode of hospital or ventilator-acquired pneumonia: a before and after study. CRITICAL CARE : THE OFFICIAL JOURNAL OF THE CRITICAL CARE FORUM 2019; 23:379. [PMID: 31775840 PMCID: PMC6881978 DOI: 10.1186/s13054-019-2621-4] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/06/2019] [Accepted: 09/23/2019] [Indexed: 01/18/2023]
Abstract
Background Augmented renal clearance (ARC) is recognized as a leading cause of β-lactam subexposure when conventional dosing regimens are used. The main objective was to compare the clinical outcome of ARC patients treated by conventional or increased β-lactam dosing regimens for a first episode of hospital or ventilator-acquired pneumonia (HAP-VAP). Methods In this single-center, retrospective study, every ARC patient treated by β-lactam for a first episode of HAP-VAP was included during two 15-month periods, before (Control period) and after (Treatment period) the modification of a local antibiotic therapy protocol. ARC was defined by a 24-h measured creatinine clearance ≥ 150 ml/min. The primary endpoint was defined as a therapeutic failure of the antimicrobial therapy or a HAP-VAP relapse within 28 days. Inverse probability of treatment weight (IPTW) was derived from a propensity score model. Cox proportional hazard models were used to evaluate the association between treatment period and clinical outcome. Results During the study period, 177 patients were included (control period, N = 88; treatment period, N = 89). Therapeutic failure or HAP-VAP relapse was significantly lower in the treatment period (10 vs. 23%, p = 0.019). The IPTW-adjusted hazard ratio of poor clinical outcome in the treatment period was 0.35 (95% CI 0.15–0.81), p = 0.014. No antibiotic side effect was reported during the treatment period. Conclusions Higher than licensed dosing regimens of β-lactams may be safe and effective in reducing the rate of therapeutic failure and HAP-VAP recurrence in critically ill augmented renal clearance (ARC) patients.
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Affiliation(s)
- Cédric Carrié
- Anesthesiology and Critical Care Department, Hôpital Pellegrin, CHU Bordeaux, 33000, Bordeaux, France.
| | - Grégoire Chadefaux
- Anesthesiology and Critical Care Department, Hôpital Pellegrin, CHU Bordeaux, 33000, Bordeaux, France
| | - Noémie Sauvage
- Anesthesiology and Critical Care Department, Hôpital Pellegrin, CHU Bordeaux, 33000, Bordeaux, France
| | - Hugues de Courson
- Anesthesiology and Critical Care Department, Hôpital Pellegrin, CHU Bordeaux, 33000, Bordeaux, France
| | - Laurent Petit
- Anesthesiology and Critical Care Department, Hôpital Pellegrin, CHU Bordeaux, 33000, Bordeaux, France
| | - Karine Nouette-Gaulain
- Anesthesiology and Critical Care Department, Hôpital Pellegrin, CHU Bordeaux, 33000, Bordeaux, France.,University Bordeaux Segalen, 33000, Bordeaux, France
| | - Bruno Pereira
- Biostatistics Unit, Délégation Recherche Clinique & Innovation, CHU de Clermont-Ferrand, Clermont-Ferrand, France
| | - Matthieu Biais
- Anesthesiology and Critical Care Department, Hôpital Pellegrin, CHU Bordeaux, 33000, Bordeaux, France.,University Bordeaux Segalen, 33000, Bordeaux, France
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