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Pehlivanli A, Yanik Yalçin T, Yeşiler Fİ, Şahintürk H, Kurt Azap Ö, Zeyneloğlu P, Başgut B. Antimicrobial dosing recommendations during continuous renal replacement therapy: different databases, different doses. J Chemother 2024; 36:474-482. [PMID: 38409748 DOI: 10.1080/1120009x.2024.2321015] [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: 09/12/2023] [Revised: 02/14/2024] [Accepted: 02/14/2024] [Indexed: 02/28/2024]
Abstract
Meticulous antimicrobial management is essential among critically ill patients with acute kidney injury, particularly if renal replacement therapy is needed. Many factors affect drug removal in patients undergoing continuous renal replacement therapy CRRT. In this study, we aimed to compare current databases that are frequently used to adjust CRRT dosages of antimicrobial drugs with the gold standard. The dosage recommendations from various databases for antimicrobial drugs eliminated by CRRT were investigated. The book 'Renal Pharmacotherapy: Dosage Adjustment of Medications Eliminated by the Kidneys' was chosen as the gold standard. There were variations in the databases. Micromedex, UpToDate, and Sanford had similar rates to the gold standard of 45%, 35%, and 30%, respectively. The Micromedex database shows the most similar results to the gold standard source. In addition, a consensus was reached as a result of the expert panel meetings established to discuss the different antimicrobial dose recommendations of the databases.
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Affiliation(s)
- Aysel Pehlivanli
- Pharmacology Department, Faculty of Pharmacy, Başkent University
- Clinical Pharmacy and Drug Information Center, Ankara Hospital, Başkent University
| | - Tuğba Yanik Yalçin
- Infectious Diseases and Clinical Microbiology Department, Faculty of Medicine, Başkent University
| | - Fatma İrem Yeşiler
- Anesthesiology and Critical Care Unit Department, Faculty of Medicine, Başkent University
| | - Helin Şahintürk
- Anesthesiology and Critical Care Unit Department, Faculty of Medicine, Başkent University
| | - Özlem Kurt Azap
- Infectious Diseases and Clinical Microbiology Department, Faculty of Medicine, Başkent University
| | - Pınar Zeyneloğlu
- Anesthesiology and Critical Care Unit Department, Faculty of Medicine, Başkent University
| | - Bilgen Başgut
- Pharmacology Department, Faculty of Pharmacy, Başkent University
- Clinical Pharmacy and Drug Information Center, Ankara Hospital, Başkent University
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2
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Garrigue P, Reber M, Perinel-Ragey S, Launay M. Personalized Amoxicillin Therapy in a Critically Ill Patient Undergoing Renal Replacement Therapy: A Grand Round. Ther Drug Monit 2024; 46:559-562. [PMID: 38950121 DOI: 10.1097/ftd.0000000000001242] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2024] [Accepted: 06/02/2024] [Indexed: 07/03/2024]
Abstract
BACKGROUND The case study discusses a complex scenario involving the use of amoxicillin in a critically ill patient undergoing intermittent renal replacement therapy.Severe infections are complicated by septic shock and organ failure, requiring urgent and effective antibiotic treatment. METHODS The patient's comorbidities, including obesity and acute kidney injury, required careful consideration of the amoxicillin dosing strategies. RESULTS Therapeutic drug monitoring is critical for dose adjustment during treatment. CONCLUSIONS This case highlights the importance of a collaborative approach between clinicians and therapeutic drug monitoring consultants to optimize antibiotic therapy for critically ill patients with renal impairment.
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Affiliation(s)
| | - Margot Reber
- Médecine Intensive Réanimation G, CHU de Saint-Etienne, Saint Etienne, France ; and
| | - Sophie Perinel-Ragey
- Médecine Intensive Réanimation G, CHU de Saint-Etienne, Saint Etienne, France ; and
| | - Manon Launay
- Médecine Intensive Réanimation G, CHU de Saint-Etienne, Saint Etienne, France ; and
- Centre Régional de Pharmacovigilance, CHU Nord de St Etienne, Saint Etienne, France
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3
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Cree ML, Abdul-Aziz MH, Schlapbach LJ, Roberts JA, Parker SL. The impact of extracorporeal support on antimicrobial pharmacokinetics in critically ill neonatal and paediatric patients: A systematic review. Int J Antimicrob Agents 2024; 64:107311. [PMID: 39197687 DOI: 10.1016/j.ijantimicag.2024.107311] [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: 02/05/2024] [Revised: 07/24/2024] [Accepted: 08/19/2024] [Indexed: 09/01/2024]
Abstract
OBJECTIVES Infections represent a major risk for critically ill neonatal and paediatric patients requiring extracorporeal life-saving support such as extracorporeal membrane oxygenation (ECMO) and/or continuous renal replacement therapies (CRRT). Patient outcomes rely on achieving target antimicrobial concentrations. In critically ill adults on extracorporeal support, suboptimal antimicrobial concentrations have been shown to be common. Our objective was to systematically review antimicrobial pharmacokinetic studies in critically ill term neonatal and paediatric patients receiving ECMO and/or CRRT and compare them to similar cohorts of patients not receiving ECMO or CRRT. METHODS Studies published between 1990 and 2022 were identified through systematic searches in PUBMED, Embase, Web of Science, Medline, Google Scholar and CINAHL. Studies were included which provided antimicrobial pharmacokinetic parameters (volume of distribution and clearance) in the neonatal and paediatric patients receiving ECMO and/or CRRT. Studies were excluded if no antimicrobial pharmacokinetic parameters were described or could be calculated. RESULTS Forty-four pharmacokinetic studies were identified describing 737 patients, with neonatal patients recruited in 70% of the ECMO studies and <1% of the CRRT studies. Of all the studies, 50% were case reports or case series. The pharmacokinetics were altered for gentamicin, daptomycin, ceftolozane, micafungin, voriconazole, cefepime, fluconazole, piperacillin, and vancomycin, although considerable patient variability was described. CONCLUSION Significant gaps remain in our understanding of the pharmacokinetic alterations in neonatal and paediatric patients receiving ECMO and CRRT support.
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Affiliation(s)
- Michele L Cree
- UQ Centre for Clinical Research, Faculty of Medicine, The University of Queensland, Brisbane, Australia; Pharmacy Department, Queensland Children's Hospital, Brisbane, Australia
| | - Mohd Hafiz Abdul-Aziz
- UQ Centre for Clinical Research, Faculty of Medicine, The University of Queensland, Brisbane, Australia
| | - Luregn J Schlapbach
- Pediatric Intensive Care Unit, Queensland Children's Hospital, Brisbane, Australia; Centre for Children's Health Research, The University of Queensland, Brisbane Australia; Department of Intensive Care and Neonatology, and Children`s Research Center, University Children's Hospital Zurich, Zurich, Switzerland
| | - Jason A Roberts
- UQ Centre for Clinical Research, Faculty of Medicine, The University of Queensland, Brisbane, Australia; Department of Intensive Care Medicine, Royal Brisbane & Women's Hospital, Brisbane Australia; Faculty of Medicine, Centre for Translational Anti-infective Pharmacodynamics, The University of Queensland, Brisbane, Australia; Division of Anaesthesiology Critical Care Emergency and Pain Medicine, Nîmes University Hospital, University of Montpellier, Nîmes, France; Pharmacy Department, Royal Brisbane and Women's Hospital, Brisbane, Australia
| | - Suzanne L Parker
- UQ Centre for Clinical Research, Faculty of Medicine, The University of Queensland, Brisbane, Australia.
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Dubinsky S, Hamadeh A, Imburgia C, McKnite A, Porter Hunt J, Wong K, Rice C, Rower J, Watt K, Edginton A. Physiologically Based Pharmacokinetic Modelling in Critically Ill Children Receiving Anakinra While on Extracorporeal Life Support. Clin Pharmacokinet 2024; 63:1343-1356. [PMID: 39331235 DOI: 10.1007/s40262-024-01424-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/03/2024] [Indexed: 09/28/2024]
Abstract
BACKGROUND AND OBJECTIVE Because of the pathophysiological changes associated with critical illness and the use of extracorporeal life support (ECLS) such as continuous renal replacement therapy (CRRT) and extracorporeal membrane oxygenation (ECMO), the pharmacokinetics of drugs are often altered. The objective of this study was to develop a physiologically based pharmacokinetic (PBPK) model for anakinra in children that accounts for the physiological changes associated with critical illness and ECLS technology to guide appropriate pharmacotherapy. METHODS A PBPK model for anakinra was first developed in healthy individuals prior to extrapolating to critically ill children receiving ECLS. To account for the impact of anakinra clearance by the dialysis circuit, a CRRT compartment was added to the pediatric PBPK model and parameterized using data from a previously published ex-vivo study. Additionally, an ECMO compartment was added to the whole-body structure to create the final anakinra ECLS-PBPK model. The final model structure was validated by comparing predicted concentrations with observed patient data. Due to limited information in guiding anakinra dosing in this population, in-silico dose simulations were conducted to provide baseline recommendations. RESULTS By accounting for changes in physiology and the addition of ECLS compartments, the final ECLS-PBPK model predicted the observed plasma concentrations in an adolescent receiving subcutaneous anakinra. Furthermore, dosing simulations suggest that anakinra exposure in adolescents receiving ECLS is similar to that in healthy counterparts. CONCLUSION The anakinra ECLS-PBPK model developed in this study is the first to predict plasma concentrations in a population receiving simultaneous CRRT and ECMO. Dosing simulations provided may be used to inform anakinra use in critically ill children and guide future clinical trial planning.
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Affiliation(s)
- Samuel Dubinsky
- School of Pharmacy, Faculty of Science, University of Waterloo, Waterloo, ON, Canada
| | - Abdullah Hamadeh
- School of Pharmacy, Faculty of Science, University of Waterloo, Waterloo, ON, Canada
| | - Carina Imburgia
- Department of Pediatrics, School of Medicine, University of Utah, Salt Lake City, UT, USA
| | - Autumn McKnite
- Department of Pharmacology and Toxicology, University of Utah, Salt Lake City, UT, USA
| | - J Porter Hunt
- Department of Pediatrics, School of Medicine, University of Utah, Salt Lake City, UT, USA
| | - Kristy Wong
- School of Pharmacy, Faculty of Science, University of Waterloo, Waterloo, ON, Canada
| | - Cassandra Rice
- Center for Human Toxicology, University of Utah, Salt Lake City, UT, USA
| | - Joseph Rower
- Center for Human Toxicology, University of Utah, Salt Lake City, UT, USA
| | - Kevin Watt
- Department of Pediatrics, School of Medicine, University of Utah, Salt Lake City, UT, USA
- Department of Pharmacology and Toxicology, University of Utah, Salt Lake City, UT, USA
| | - Andrea Edginton
- School of Pharmacy, Faculty of Science, University of Waterloo, Waterloo, ON, Canada.
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Balaban U, Kara E, Kaya EK, Ozcebe OI, Akova M, Topeli A, Yorganci K, Demirkan K. Effect of therapeutic plasma exchange on antimicrobials in critically ill patients. Crit Care 2024; 28:280. [PMID: 39198857 PMCID: PMC11350938 DOI: 10.1186/s13054-024-05077-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2024] [Accepted: 08/21/2024] [Indexed: 09/01/2024] Open
Affiliation(s)
- Ugur Balaban
- Department of Clinical Pharmacy, Faculty of Pharmacy, Hacettepe University, Ankara, Turkey.
| | - Emre Kara
- Department of Clinical Pharmacy, Faculty of Pharmacy, Hacettepe University, Ankara, Turkey
| | - Esat Kivanc Kaya
- Division of Intensive Care Medicine, Department of Internal Medicine, Faculty of Medicine, Hacettepe University, Ankara, Turkey
| | - Osman Ilhami Ozcebe
- Division of Hematology, Department of Internal Medicine, Faculty of Medicine, Hacettepe University, Ankara, Turkey
| | - Murat Akova
- Department of Infectious Diseases and Clinical Microbiology, Faculty of Medicine, Hacettepe University, Ankara, Turkey
| | - Arzu Topeli
- Division of Intensive Care Medicine, Department of Internal Medicine, Faculty of Medicine, Hacettepe University, Ankara, Turkey
| | - Kaya Yorganci
- Department of General Surgery, Faculty of Medicine, Hacettepe University, Ankara, Turkey
| | - Kutay Demirkan
- Department of Clinical Pharmacy, Faculty of Pharmacy, Hacettepe University, Ankara, Turkey
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Chihara S, Ishigo T, Kazuma S, Matsumoto K, Morita K, Masuda Y. Association between Extended Meropenem Regimen and Achievement of Aggressive PK/PD in Patients Receiving Continuous Renal Replacement Therapy for Septic AKI. Antibiotics (Basel) 2024; 13:755. [PMID: 39200055 PMCID: PMC11350760 DOI: 10.3390/antibiotics13080755] [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: 07/17/2024] [Revised: 08/01/2024] [Accepted: 08/09/2024] [Indexed: 09/01/2024] Open
Abstract
Aggressive pharmacokinetic (PK)/pharmacodynamic (PD) targets have shown better microbiological eradication rates and a lower propensity to develop resistant strains than conservative targets. We investigated whether meropenem blood levels, including aggressive PK/PD, were acceptable in terms of efficacy and safety using a meropenem regimen of 1 g infusion every 8 h over 3 h in patients undergoing continuous renal replacement therapy (CRRT) for septic acute kidney injury (AKI). Aggressive PK/PD targets were defined as the percentage of time that the free concentration (%fT) > 4 × minimal inhibitory concentration (MIC), the toxicity threshold was defined as a trough concentration >45 mg/L, and the percentage of achievement at each MIC was evaluated. The 100% fT > 4 × MIC for a pathogen with an MIC of 0.5 mg/L was 89%, and that for a pathogen with an MIC of 2 mg/L was 56%. The mean steady-state trough concentration of meropenem was 11.9 ± 9.0 mg/L and the maximum steady-state trough concentration was 29.2 mg/L. Simulations using Bayesian estimation showed the probability of achieving 100% fT > 4 × MIC for up to an MIC of 2 mg/L for the administered administration via continuous infusion at 3 g/24 h. We found that an aggressive PK/PD could be achieved up to an MIC of 0.5 mg/L with a meropenem regimen of 1 g infused every 8 h over 3 h for patients receiving CRRT for septic AKI. In addition, the risk of reaching the toxicity range with this regimen is low. In addition, if the MIC was 1-2 mg/L, the simulation results indicated that aggressive PK/PD can be achieved by continuous infusion at 3 g/24 h without increasing the daily dose.
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Affiliation(s)
- Shinya Chihara
- Department of Intensive Care Medicine, Sapporo Medical University, School of Medicine, Sapporo 060-8543, Japan; (S.C.); (Y.M.)
- Department of Clinical Engineering, Japan Health Care University Faculty of Health Sciences, Sapporo 062-0053, Japan
| | - Tomoyuki Ishigo
- Department of Pharmacy, Sapporo Medical University Hospital, Sapporo 060-8543, Japan; (T.I.)
| | - Satoshi Kazuma
- Department of Intensive Care Medicine, Sapporo Medical University, School of Medicine, Sapporo 060-8543, Japan; (S.C.); (Y.M.)
| | - Kana Matsumoto
- Department of Clinical Pharmaceutics, Faculty of Pharmaceutical Sciences, Doshisha Women’s College of Liberal Arts, Kyotanabe 610-0395, Japan; (K.M.); (K.M.)
| | - Kunihiko Morita
- Department of Clinical Pharmaceutics, Faculty of Pharmaceutical Sciences, Doshisha Women’s College of Liberal Arts, Kyotanabe 610-0395, Japan; (K.M.); (K.M.)
| | - Yoshiki Masuda
- Department of Intensive Care Medicine, Sapporo Medical University, School of Medicine, Sapporo 060-8543, Japan; (S.C.); (Y.M.)
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Butragueño-Laiseca L, Troconiz IF, Grau S, Campillo N, Padilla B, Fernández SN, Slöcker M, Herrera L, Santiago MJ. How to use meropenem in pediatric patients undergoing CKRT? Integrated meropenem pharmacokinetic model for critically ill children. Antimicrob Agents Chemother 2024:e0172923. [PMID: 38656186 DOI: 10.1128/aac.01729-23] [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: 01/11/2024] [Accepted: 03/27/2024] [Indexed: 04/26/2024] Open
Abstract
Standard dosing could fail to achieve adequate systemic concentrations in ICU children or may lead to toxicity in children with acute kidney injury. The population pharmacokinetic analysis was used to simultaneously analyze all available data (plasma, prefilter, postfilter, effluent, and urine concentrations) and provide the pharmacokinetic characteristics of meropenem. The probability of target fT > MIC attainment, avoiding toxic levels, during the entire dosing interval was estimated by simulation of different intermittent and continuous infusions in the studied population. A total of 16 critically ill children treated with meropenem were included, with 7 of them undergoing continuous kidney replacement therapy (CKRT). Only 33% of children without CKRT achieved 90% of the time when the free drug concentration exceeded the minimum inhibitory concentration (%fT > MIC) for an MIC of 2 mg/L. In dose simulations, only continuous infusions (60-120 mg/kg in a 24-h infusion) reached the objective in patients <30 kg. In patients undergoing CKRT, the currently used schedule (40 mg/kg/12 h from day 2 in a short infusion of 30 min) was clearly insufficient in patients <30 kg. Keeping the dose to 40 mg/kg q8h without applying renal adjustment and extended infusions (40 mg/kg in 3- or 4-h infusion every 12 h) was sufficient to reach 90% fT > MIC (>2 mg/L) in patients >10 kg. In patients <10 kg, only continuous infusions reached the objective. In patients >30 kg, 60 mg/kg in a 24-h infusion is sufficient and avoids toxicity. This population model could help with an individualized dosing approach that needs to be adopted in critically ill pediatric patients. Critically ill patients subjected to or not to CKRT may benefit from the administration of meropenem in an extended or continuous infusion.
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Affiliation(s)
- Laura Butragueño-Laiseca
- Pediatric Intensive Care Unit, Hospital General Universitario Gregorio Marañón, Madrid, Spain
- Gregorio Marañón Health Research Institute (IISGM), Madrid, Spain
- Pediatrics Department, Universidad Complutense de Madrid, Madrid, Spain
- Primary Care Interventions to Prevent Maternal and Child Chronic Diseases of Perinatal and Development Origin Network (RICORS) RD21/0012/0011, Carlos III Health Institute, Madrid, Spain
| | - Iñaki F Troconiz
- Pharmacometrics and Systems Pharmacology Research Unit, Department of Pharmaceutical Sciences, School of Pharmacy and Nutrition, University of Navarra, Pamplona, Spain
- IdiSNA, Navarra Institute for Health Research, Pamplona, Spain
| | - Santiago Grau
- Pharmacy Department, Hospital del Mar, Universitat Autònoma de Barcelona, Barcelona, Spain
| | - Nuria Campillo
- Pharmacy Department, Hospital del Mar, Universitat Autònoma de Barcelona, Barcelona, Spain
| | - Belén Padilla
- Clinical Microbiology Department, Hospital General Universitario Gregorio Marañón, Madrid, Spain
| | - Sarah Nicole Fernández
- Pediatric Intensive Care Unit, Hospital General Universitario Gregorio Marañón, Madrid, Spain
- Gregorio Marañón Health Research Institute (IISGM), Madrid, Spain
- Pediatrics Department, Universidad Complutense de Madrid, Madrid, Spain
- Primary Care Interventions to Prevent Maternal and Child Chronic Diseases of Perinatal and Development Origin Network (RICORS) RD21/0012/0011, Carlos III Health Institute, Madrid, Spain
| | - María Slöcker
- Pediatric Intensive Care Unit, Hospital General Universitario Gregorio Marañón, Madrid, Spain
- Gregorio Marañón Health Research Institute (IISGM), Madrid, Spain
- Pediatrics Department, Universidad Complutense de Madrid, Madrid, Spain
- Primary Care Interventions to Prevent Maternal and Child Chronic Diseases of Perinatal and Development Origin Network (RICORS) RD21/0012/0011, Carlos III Health Institute, Madrid, Spain
| | - Laura Herrera
- Pediatric Intensive Care Unit, Hospital General Universitario Gregorio Marañón, Madrid, Spain
- Gregorio Marañón Health Research Institute (IISGM), Madrid, Spain
- Pediatrics Department, Universidad Complutense de Madrid, Madrid, Spain
- Primary Care Interventions to Prevent Maternal and Child Chronic Diseases of Perinatal and Development Origin Network (RICORS) RD21/0012/0011, Carlos III Health Institute, Madrid, Spain
| | - María José Santiago
- Pediatric Intensive Care Unit, Hospital General Universitario Gregorio Marañón, Madrid, Spain
- Gregorio Marañón Health Research Institute (IISGM), Madrid, Spain
- Pediatrics Department, Universidad Complutense de Madrid, Madrid, Spain
- Primary Care Interventions to Prevent Maternal and Child Chronic Diseases of Perinatal and Development Origin Network (RICORS) RD21/0012/0011, Carlos III Health Institute, Madrid, Spain
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Hambrick HR, Cervantes F, Dong M, Tang P, Arbough T, Vinks AA, Mizuno T, Goldstein SL, Kaplan J, Girdwood, ST. Ceftriaxone Pharmacokinetics and Pharmacodynamic Target Attainment for Three Pediatric Patients Receiving Continuous Kidney Replacement Therapy. J Pediatr Pharmacol Ther 2024; 29:180-187. [PMID: 38596427 PMCID: PMC11001209 DOI: 10.5863/1551-6776-29.2.180] [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: 06/26/2023] [Accepted: 10/16/2023] [Indexed: 04/11/2024]
Abstract
Ceftriaxone is used commonly for sepsis, including in children requiring continuous kidney replacement therapy (CKRT). No reports exist of pharmacokinetic (PK) parameters for children receiving ceftriaxone on CKRT. We enrolled children admitted to our pediatric intensive care unit (PICU) who received CKRT for >24 hours and received >1 dose of ceftriaxone while on and off CKRT. We measured free ceftriaxone -concentrations from residual blood samples then used Bayesian estimation with PK modeling software to generate concentration-time profiles and determine PK parameters and the percentage of time free ceftriaxone concentrations were above 1× or 4× MIC (% fT >MIC). Three patients aged 2 to 17 years were included; all were anuric at CKRT initiation and received 50 mg/kg (max 2000 mg) ceftriaxone every 12 to 24 hours. Total ceftriaxone clearance (CL) was 0.50 to 3.67 L/hr while receiving CKRT and 0.29 to 2.71 L/hr while off, indicating CKRT provided 25% to 42% of total ceftriaxone CL. All achieved 100% fT >1× and 4× MIC using an estimated MIC (1 mg/L) for patients 1 to 2 (no culture data) and a measured MIC (0.016 mg/L) for patient 3. Therefore, CKRT contributed significantly to total ceftriaxone clearance in 3 children though the dosing strategies used in each patient attained PD targets.
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Affiliation(s)
- H. Rhodes Hambrick
- Division of Nephrology and Hypertension (HRH, SLG), Cincinnati Children’s Hospital Medical Center, Cincinnati, OH
- Division of Clinical Pharmacology (HRH, MD, AAV, TM, STG), Cincinnati Children’s Hospital Medical Center, Cincinnati, OH
| | - Francisco Cervantes
- Department of Medical Education (FC), University of Cincinnati College of Medicine, Cincinnati, OH
| | - Min Dong
- Division of Clinical Pharmacology (HRH, MD, AAV, TM, STG), Cincinnati Children’s Hospital Medical Center, Cincinnati, OH
- Department of Pediatrics (MD, PT, AAV, TM, SLG, JK, STG), University of Cincinnati College of Medicine, Cincinnati, OH
| | - Peter Tang
- Department of Pediatrics (MD, PT, AAV, TM, SLG, JK, STG), University of Cincinnati College of Medicine, Cincinnati, OH
- Division of Pathology and Laboratory Medicine (PT), Cincinnati Children’s Hospital Medical Center, Cincinnati, OH
| | - Trent Arbough
- Department of Anesthesiology (TA), University of Kentucky College of Medicine, Lexington, KY
| | - Alexander A. Vinks
- Division of Clinical Pharmacology (HRH, MD, AAV, TM, STG), Cincinnati Children’s Hospital Medical Center, Cincinnati, OH
- Department of Pediatrics (MD, PT, AAV, TM, SLG, JK, STG), University of Cincinnati College of Medicine, Cincinnati, OH
| | - Tomoyuki Mizuno
- Division of Clinical Pharmacology (HRH, MD, AAV, TM, STG), Cincinnati Children’s Hospital Medical Center, Cincinnati, OH
- Department of Pediatrics (MD, PT, AAV, TM, SLG, JK, STG), University of Cincinnati College of Medicine, Cincinnati, OH
| | - Stuart L. Goldstein
- Division of Nephrology and Hypertension (HRH, SLG), Cincinnati Children’s Hospital Medical Center, Cincinnati, OH
- Division of Clinical Pharmacology (HRH, MD, AAV, TM, STG), Cincinnati Children’s Hospital Medical Center, Cincinnati, OH
- Department of Pediatrics (MD, PT, AAV, TM, SLG, JK, STG), University of Cincinnati College of Medicine, Cincinnati, OH
- Center for Acute Care Nephrology (SLG), Cincinnati Children’s Hospital Medical Center, Cincinnati, OH
| | - Jennifer Kaplan
- Department of Pediatrics (MD, PT, AAV, TM, SLG, JK, STG), University of Cincinnati College of Medicine, Cincinnati, OH
- Division of Critical Care Medicine (JK), Cincinnati Children’s Hospital Medical Center, Cincinnati, OH
| | - Sonya Tang Girdwood,
- Department of Pediatrics (MD, PT, AAV, TM, SLG, JK, STG), University of Cincinnati College of Medicine, Cincinnati, OH
- Division of Hospital Medicine (STG), Cincinnati Children’s Hospital Medical Center, Cincinnati, OH
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Lewis SJ, Mueller BA. Antibiotic dosing recommendations in critically ill patients receiving new innovative kidney replacement therapy. BMC Nephrol 2024; 25:73. [PMID: 38413858 PMCID: PMC10900833 DOI: 10.1186/s12882-024-03469-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Accepted: 01/16/2024] [Indexed: 02/29/2024] Open
Abstract
BACKGROUND The Tablo Hemodialysis System is a new innovative kidney replacement therapy (KRT) providing a range of options for critically ill patients with acute kidney injury. The use of various effluent rate and treatment durations/frequencies may clear antibiotics differently than traditional KRT. This Monte Carlo Simulation (MCS) study was to develop antibiotic doses likely to attain therapeutic targets for various KRT combinations. METHODS Published body weights and pharmacokinetic parameter estimates were used to predict drug exposure for cefepime, ceftazidime, imipenem, meropenem and piperacillin/tazobactam in virtual critically ill patients receiving five KRT regimens. Standard free β-lactam plasma concentration time above minimum inhibitory concentration targets (40-60%fT> MIC and 40-60%fT> MICx4) were used as efficacy targets. MCS assessed the probability of target attainment (PTA) and likelihood of toxicity for various antibiotic dosing strategies. The smallest doses attaining PTA ≥ 90% during 1-week of therapy were considered optimal. RESULTS MCS determined β-lactam doses achieving ∼90% PTA in all KRT options. KRT characteristics influenced antibiotic dosing. Cefepime and piperacillin/tazobactam regimens designed for rigorous efficacy targets were likely to exceed toxicity thresholds. CONCLUSION The flexibility offered by new KRT systems can influence β-lactam antibiotic dosing, but doses can be devised to meet therapeutic targets. Further clinical validations are warranted.
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Affiliation(s)
- Susan J Lewis
- Department of Pharmacy Practice, College of Pharmacy, University of Findlay, 1000 N. Main Street, 45840, Findlay, OH, USA.
- Department of Pharmacy, Mercy Health - St. Anne Hospital, 43623, Toledo, OH, USA.
| | - Bruce A Mueller
- Clinical Pharmacy Department, College of Pharmacy, University of Michigan, MI, 48109, Ann Arbor, USA
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Jiang X, Qin Y, Lei R, Han Y, Yang J, Zhang G, Liu J. A rapid and simple HPLC-MS/MS method for the therapeutic drug monitoring of six special-grade antimicrobials in pediatric patients. Heliyon 2024; 10:e24198. [PMID: 38226205 PMCID: PMC10788798 DOI: 10.1016/j.heliyon.2024.e24198] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Revised: 01/03/2024] [Accepted: 01/04/2024] [Indexed: 01/17/2024] Open
Abstract
Meropenem, linezolid, fluconazole, voriconazole, posaconazole, and vancomycin are six important antimicrobials used for severe infections in critically ill patients listed in special-grade antimicrobials in China. The six antimicrobials' highly variable pharmacodynamics and pharmacokinetics in critically ill pediatric patients present significant challenges to clinicians in ensuring optimal therapeutic targets. Therefore, therapeutic drug monitoring of these antimicrobials in human plasma is necessary to obtain their plasma concentration. A rapid, simple, and sample-saving high-performance liquid chromatography-tandem mass spectrometry (HPLC-MS/MS) method was developed, which could simultaneously determine all six antimicrobials. It required only 10 μL of plasma and a one-step protein precipitation process. Chromatographic separation was achieved on a reversed-phase column (C18, 30 × 2.1 mm, 2.6 μm) via gradient elution using water and acetonitrile containing 0.1 % formic acid as mobile phase. The injection volume was 2 μL, and the total run time was only 2.5 min. Detection was done using a Triple Quad™ 4500MD tandem mass spectrometer coupled with an electrospray ionization (ESI) source in positive mode. The calibration curves ranged from 0.5 to 64 μg/mL for meropenem and fluconazole, 0.2-25.6 μg/mL for linezolid and voriconazole, 0.1-12.8 μg/mL for posaconazole and 1-128 μg/mL for vancomycin, with the coefficients of correlation all greater than 0.996. Furthermore, the method was validated rigorously according to the European Medicines Agency (EMA) guidelines, demonstrating excellent accuracy (from 93.0 % to 110.6 %) and precision (from 2.0 % to 12.8 %). Moreover, its applicability to various matrices (including serum, hemolytic plasma, and hyperlipidemic plasma) was evaluated. Thus, this method was successfully applied to routine therapeutic drug monitoring for critically ill pediatric patients and other patients in need.
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Affiliation(s)
- Xijuan Jiang
- Department of Pharmacy, Hebei Children's Hospital, Shijiazhuang, Hebei, 050031, China
| | - Yabin Qin
- Department of Pharmacy, Hebei Children's Hospital, Shijiazhuang, Hebei, 050031, China
| | - Rong Lei
- Hebei Key Laboratory of Traditional Chinese Medicine Quality Evaluation and Standard Research, Hebei Institute for Drug and Medical Device Control, Shijiazhuang, Hebei, 050227, China
| | - Yu Han
- Department of Pharmacy, Hebei Children's Hospital, Shijiazhuang, Hebei, 050031, China
| | - Jing Yang
- Department of Pharmacy, Hebei Children's Hospital, Shijiazhuang, Hebei, 050031, China
| | - Guying Zhang
- Department of Pharmacy, Hebei Children's Hospital, Shijiazhuang, Hebei, 050031, China
| | - Jianfang Liu
- Office of Clinical Trial Center, The First Affiliated Hospital of Hebei University of Chinese Medicine, Shijiazhuang, Hebei, 050017, China
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11
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Thy M, Naudin J, Genuini M, Leteurtre S, Recher M, Oualha M. Anti-infective prescribing practices in critically ill children on continuous renal replacement therapy: a multicenter survey of French-speaking countries. J Nephrol 2023; 36:2541-2547. [PMID: 37698831 DOI: 10.1007/s40620-023-01762-1] [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: 04/18/2023] [Accepted: 08/13/2023] [Indexed: 09/13/2023]
Abstract
BACKGROUND Use of continuous renal replacement therapy in children receiving anti-infective drugs may lead to inappropriate concentrations with risks related to treatment failure, toxicity and emergence of multidrug-resistant bacteria. We aimed to describe anti-infective prescribing practices in critically ill children undergoing continuous renal replacement therapy. METHODS An online survey to assess continuous renal replacement therapy, anti-infective prescribing and therapeutic drug monitoring practices was sent by e-mail to physicians working in pediatric intensive care units through the French-speaking Group of Pediatric Intensive Care and Emergency medicine (GFRUP). RESULTS From April 1st, 2021 to May 1st, 2021, 26/40 pediatric intensive care units participated in the survey, corresponding to a response rate of 65%. Twenty-one were located in France and five abroad. All pediatric intensive care units administered continuous renal replacement therapy, primarily with Prismaflex™ System. Anti-infective prescriptions were adjusted to the presence of continuous renal replacement therapy in 23 (88%) pediatric intensive care units mainly according to molecular weight in 6 (23%), molecule protein binding in 6 (23%) and elimination routes in 15 (58%) including residual diuresis in 9 (35%), to the continuous renal replacement therapy flow in 6 (23%) and to the modality of continuous renal replacement therapy used in 15 (58%), pediatric intensive care units. There was broad variability among pediatric intensive care units and among physicians within the same unit. Barriers to therapeutic drug monitoring were mainly an excessive delay in obtaining results in 11 (42%) and the lack of an on-site laboratory in 8 (31%) pediatric intensive care units. CONCLUSIONS Our survey reported wide variability in anti-infective prescribing practices in children undergoing continuous renal replacement therapy, thus highlighting a gap in knowledge and the need for education and recommendations.
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Affiliation(s)
- Michaël Thy
- Department of Intensive Care and Infectious Diseases, AP-HP, Université Paris Cité, Bichat Hospital, Paris, France.
- Pediatric Intensive Care Unit, AP-HP, Université Paris Cité, Necker-Enfants Malades Hospital, Paris, France.
- EA 7323-Pharmacology and Therapeutic Evaluation in Children and Pregnant Women, Université Paris Cité, Paris, France.
| | - Jérôme Naudin
- Pediatric Intensive Care Unit, Hôpital Robert Debré, AP-HP, Université Paris Diderot, Paris, France
| | - Mathieu Genuini
- Pediatric Intensive Care Unit, Hôpital Robert Debré, AP-HP, Université Paris Diderot, Paris, France
- Pediatric Intensive Care Transport Unit, Hôpital Robert Debré, AP-HP, Université Paris Diderot, Paris, France
| | - Stéphane Leteurtre
- Univ. Lille, CHU Lille, ULR 2694-METRICS: Évaluation des Technologies de Santé et des Pratiques Médicales, Lille, France
| | - Morgan Recher
- Univ. Lille, CHU Lille, ULR 2694-METRICS: Évaluation des Technologies de Santé et des Pratiques Médicales, Lille, France
| | - Mehdi Oualha
- Pediatric Intensive Care Unit, AP-HP, Université Paris Cité, Necker-Enfants Malades Hospital, Paris, France
- EA 7323-Pharmacology and Therapeutic Evaluation in Children and Pregnant Women, Université Paris Cité, Paris, France
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12
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Dubinsky SDJ, Watt KM, Imburgia CE, Mcknite AM, Hunt JP, Rice C, Rower JE, Edginton AN. Anakinra Removal by Continuous Renal Replacement Therapy: An Ex Vivo Analysis. Crit Care Explor 2023; 5:e1010. [PMID: 38107537 PMCID: PMC10723863 DOI: 10.1097/cce.0000000000001010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2023] Open
Abstract
OBJECTIVES Patients with sepsis are at significant risk for multiple organ dysfunction, including the lungs and kidneys. To manage the morbidity associated with kidney impairment, continuous renal replacement therapy (CRRT) may be required. The extent of anakinra pharmacokinetics in CRRT remains unknown. The objectives of this study were to investigate the anakinra-circuit interaction and quantify the rate of removal from plasma. DESIGN The anakinra-circuit interaction was evaluated using a closed-loop ex vivo CRRT circuit. CRRT was performed in three phases based on the method of solute removal: 1) hemofiltration, 2) hemodialysis, and 3) hemodiafiltration. Standard control samples of anakinra were included to assess drug degradation. SETTING University research laboratory. PATIENTS None. INTERVENTIONS Anakinra was administered to the CRRT circuit and serial prefilter blood samples were collected along with time-matched control and hemofiltrate samples. Each circuit was run in triplicate to assess inter-run variability. Concentrations of anakinra in each reference fluid were measured by enzyme-linked immunosorbent assay. Transmembrane filter clearance was estimated by the product of the sieving coefficient/dialysate saturation constant and circuit flow rates. MEASUREMENTS AND MAIN RESULTS Removal of anakinra from plasma occurred within minutes for each CRRT modality. Average drug remaining (%) in plasma following anakinra administration was lowest with hemodiafiltration (34.9%). The average sieving coefficient was 0.34, 0.37, and 0.41 for hemodiafiltration, hemofiltration, and hemodialysis, respectively. Transmembrane clearance was fairly consistent across each modality with the highest during hemodialysis (5.53 mL/min), followed by hemodiafiltration (4.99 mL/min), and hemofiltration (3.94 mL/min). Percent drug remaining within the control samples (93.1%) remained consistent across each experiment, indicating negligible degradation within the blood. CONCLUSIONS The results of this analysis are the first to demonstrate that large molecule therapeutic proteins such as anakinra, are removed from plasma with modern CRRT technology. Current dosing recommendations for patients with severe renal impairment may result in subtherapeutic anakinra concentrations in those receiving CRRT.
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Affiliation(s)
- Samuel D J Dubinsky
- University of Waterloo, School of Pharmacy, Faculty of Science, Waterloo, ON, Canada
| | - Kevin M Watt
- Department of Pediatrics, University of Utah, School of Medicine, Salt Lake City, UT
- Department of Pharmacology and Toxicology, University of Utah, Salt Lake City, UT
| | - Carina E Imburgia
- Department of Pediatrics, University of Utah, School of Medicine, Salt Lake City, UT
| | - Autumn M Mcknite
- Department of Pharmacology and Toxicology, University of Utah, Salt Lake City, UT
| | - J Porter Hunt
- Department of Pediatrics, University of Utah, School of Medicine, Salt Lake City, UT
| | - Cassandra Rice
- Department of Pharmacology and Toxicology, Center for Human Toxicology, University of Utah, Salt Lake City, UT
| | - Joseph E Rower
- Department of Pharmacology and Toxicology, Center for Human Toxicology, University of Utah, Salt Lake City, UT
| | - Andrea N Edginton
- University of Waterloo, School of Pharmacy, Faculty of Science, Waterloo, ON, Canada
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13
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Hanafin PO, Kwa A, Zavascki AP, Sandri AM, Scheetz MH, Kubin CJ, Shah J, Cherng BPZ, Yin MT, Wang J, Wang L, Calfee DP, Bolon M, Pogue JM, Purcell AW, Nation RL, Li J, Kaye KS, Rao GG. A population pharmacokinetic model of polymyxin B based on prospective clinical data to inform dosing in hospitalized patients. Clin Microbiol Infect 2023; 29:1174-1181. [PMID: 37217076 DOI: 10.1016/j.cmi.2023.05.018] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Revised: 05/03/2023] [Accepted: 05/14/2023] [Indexed: 05/24/2023]
Abstract
OBJECTIVES To develop a population pharmacokinetic (PK) model with data from the largest polymyxin B-treated patient population studied to date to optimize its dosing in hospitalized patients. METHODS Hospitalized patients receiving intravenous polymyxin B for ≥48 hours were enrolled. Blood samples were collected at steady state and drug concentrations were analysed by liquid chromotography tandem mass spectrometry (LC-MS/MS). Population PK analysis and Monte Carlo simulations were performed to determine the probability of target attainment (PTA). RESULTS One hundred and forty-two patients received intravenous polymyxin B (1.33-6 mg/kg/day), providing 681 plasma samples. Twenty-four patients were on renal replacement therapy, including 13 on continuous veno-venous hemodiafiltration (CVVHDF). A 2-compartment model adequately described the PK with body weight as a covariate on the volume of distribution that affected Cmax, but it did not impact clearance or exposure. Creatinine clearance was a statistically significant covariate on clearance, although clinically relevant variations of dose-normalized drug exposure were not observed across a wide creatinine clearance range. The model described higher clearance in CVVHDF patients than in non-CVVHDF patients. Maintenance doses of ≥2.5 mg/kg/day or ≥150 mg/day had a PTA ≥90% (for non-pulmonary infections target) at a steady state for minimum inhibitory concentrations ≤2 mg/L. The PTA at a steady state for CVVHDF patients was lower. DISCUSSION Fixed loading and maintenance doses of polymyxin B seemed to be more appropriate than weight-based dosing regimens in patients weighing 45-90 kg. Higher doses may be needed in patients on CVVHDF. Substantial variability in polymyxin B clearance and volume of distribution was found, suggesting that therapeutic drug monitoring may be indicated.
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Affiliation(s)
- Patrick O Hanafin
- Division of Pharmacotherapy and Experimental Therapeutics, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Andrea Kwa
- Department of Pharmacy, Singapore General Hospital, Singapore, Singapore; Emerging Infectious Diseases, Duke-NUS Medical School, Singapore, Singapore
| | - Alexandre P Zavascki
- Infectious Diseases Service, Hospital Moinhos de Vento, Porto Alegre, Brazil; Department of Internal Medicine, Medical School, Universidade Federal, Do Rio Grande Do Sul, Porto Alegre, Brazil
| | - Ana Maria Sandri
- Infection Control Department, Hospital São Lucas da Pontifícia Universidade Católica Do Rio Grande Do Sul, Porto Alegre, Brazil
| | - Marc H Scheetz
- Department of Pharmacy Practice, Midwestern University Chicago College of Pharmacy, Downers Grove, IL, USA
| | - Christine J Kubin
- New York-Presbyterian Hospital/Columbia University Irving Medical Center, New York, NY, USA
| | - Jayesh Shah
- Division of Infectious Diseases, Department of Internal Medicine, Columbia University Vagelos College of Physicians and Surgeons, New York, NY, USA
| | - Benjamin P Z Cherng
- Department of Infectious Diseases, Singapore General Hospital, Singapore, Singapore
| | - Michael T Yin
- Division of Infectious Diseases, Department of Internal Medicine, Columbia University Vagelos College of Physicians and Surgeons, New York, NY, USA
| | - Jiping Wang
- Biomedicine Discovery Institute, Monash University, Clayton, Victoria, Australia
| | - Lu Wang
- Biomedicine Discovery Institute, Monash University, Clayton, Victoria, Australia
| | - David P Calfee
- Department of Medicine, Weill Cornell Medical College, New York, NY, USA
| | - Maureen Bolon
- Department of Healthcare Epidemiology and Infection Prevention, Northwestern Memorial Hospital, Chicago, IL, USA; Department of Medicine, Division of Infectious Diseases, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Jason M Pogue
- Department of Clinical Pharmacy, University of Michigan College of Pharmacy, Ann Arbor, MI, USA
| | - Anthony W Purcell
- Biomedicine Discovery Institute, Monash University, Clayton, Victoria, Australia; Department of Biochemistry and Molecular Biology, Monash University, Clayton, Victoria, Australia
| | - Roger L Nation
- Drug Delivery, Disposition and Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University, Parkville, Victoria, Australia
| | - Jian Li
- Biomedicine Discovery Institute, Monash University, Clayton, Victoria, Australia
| | - Keith S Kaye
- Division of Allergy, Immunology and Infectious Diseases, Rutgers Robert Wood Johnson Medical School, New Brunswick, NJ, USA.
| | - Gauri G Rao
- Division of Pharmacotherapy and Experimental Therapeutics, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.
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14
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Zheng Y, Xu B, Chen S, Liu M, Huang H, Wang J, Wu X. Population Pharmacokinetic Modeling Using Polymyxin B Free Plasma Concentrations From Published Reports and Evaluation of Dosage Regimens Based on Monte Carlo Simulation in Critically Ill Patients. J Clin Pharmacol 2023; 63:1036-1044. [PMID: 37125471 DOI: 10.1002/jcph.2261] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Revised: 04/21/2023] [Accepted: 04/25/2023] [Indexed: 05/02/2023]
Abstract
A population pharmacokinetic (pop PK) model of polymyxin B was developed using nonlinear mixed-effects (NONMEM) modeling based on free plasma concentrations to determine whether dose adjustment is required in critically ill patients. One thousand pharmacokinetic profiles for virtual patients with a body weight of 70 kg were simulated using Monte Carlo simulation at different dose scenarios, and area under the concentration-time curve of free drug (fAUC) was computed. The probability of target attainment (PTA) at each minimum inhibitory concentration (MIC) was calculated using fAUC/MIC as a pharmacokinetic/pharmacodynamic (PK/PD) index. The final population PK model was a 2-compartment model. PTA showed that 3.5 mg/kg/day regimens of polymyxin B effectively achieved the fAUC/MIC target of 10 (one log10 kill) against Pseudomonas aeruginosa strains with MIC of 1 mg/L or less (PTA, 90.7% or greater), while the dose regimen were ineffective against strains with an MIC of 2 mg/L or greater (PTA, 56.9% or less). For Klebsiella pneumoniae, the fAUC/MIC target of 17.4 (one log10 kill) was achieved in more than 90.4% of cases for MIC of 0.5 mg/L or less with 3 mg/kg/day regimens. However, the PTA decreased dramatically as MICs increased above 1 mg/L (PTA, 56.1% or less). The polymyxin B dosage regimen of 3.5 mg/kg/day and 3 mg/kg/day are sufficient to treat P. aeruginosa infections with an MIC of 1 mg/L or less and K. pneumoniae infections with an MIC of 0.5 mg/L or less, respectively. The current recommended dose (1.5-3 mg/kg/day) of polymyxin B appears inadequate to attain the PK/PD target for therapeutic efficacy against infections caused by P. aeruginosa and K. pneumoniae isolates when MIC is above the values.
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Affiliation(s)
- You Zheng
- Department of Pharmacy, Fujian Medical University Union Hospital, Fuzhou, Fujian, China
- School of Pharmacy, Fujian Medical University, Fuzhou, Fujian, China
| | - Baohua Xu
- Department of Pharmacy, Fujian Medical University Union Hospital, Fuzhou, Fujian, China
- School of Pharmacy, Fujian Medical University, Fuzhou, Fujian, China
| | - Shengyang Chen
- Department of Pharmacy, Fujian Medical University Union Hospital, Fuzhou, Fujian, China
- School of Pharmacy, Fujian Medical University, Fuzhou, Fujian, China
| | - Maobai Liu
- Department of Pharmacy, Fujian Medical University Union Hospital, Fuzhou, Fujian, China
| | - Huiping Huang
- Department of Pharmacy, Fujian Medical University Union Hospital, Fuzhou, Fujian, China
- School of Pharmacy, Fujian Medical University, Fuzhou, Fujian, China
| | - Jingting Wang
- College of Pharmacy, University of Michigan, Ann Arbor, Michigan, USA
| | - Xuemei Wu
- Department of Pharmacy, Fujian Medical University Union Hospital, Fuzhou, Fujian, China
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15
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Bottari G, Goffredo BM, Marano M, Maccarrone C, Simeoli R, Bianco G, Vallesi L, Beetham JCC, Mazzeo AT, Cappoli A, Cairoli S, Labbadia R, Cecchetti C, Bernaschi P, Corsetti T, Morabito S, Taccone FS, Guzzo I. Impact of Continuous Kidney Replacement Therapy and Hemoadsorption with CytoSorb on Antimicrobial Drug Removal in Critically Ill Children with Septic Shock: A Single-Center Prospective Study on a Pediatric Cohort. Antibiotics (Basel) 2023; 12:1395. [PMID: 37760692 PMCID: PMC10525765 DOI: 10.3390/antibiotics12091395] [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: 07/27/2023] [Revised: 08/28/2023] [Accepted: 08/29/2023] [Indexed: 09/29/2023] Open
Abstract
Background: Extracorporeal therapies (ET) are increasingly used in pediatric settings as adjuvant therapeutic strategies for overwhelming inflammatory conditions. Although these treatments seem to be effective for removing inflammatory mediators, their influence on antimicrobials pharmacokinetic should not be neglected. Methods: A prospective observational study of children admitted to the pediatric intensive care unit (PICU) with a diagnosis of sepsis/septic shock. All critically ill children received hemoadsorption treatment with CytoSorb (CS) in combination with CKRT. Therapeutic drug monitoring has been performed on 10 critically ill children, testing four antimicrobial molecules: meropenem, ceftazidime, amikacin and levofloxacin. In order to evaluate the total and isolated CKRT and CS contributions to antibiotic removal, blood samples at each circuit point (post-hemofilter, post-CS and in the effluent line) were performed. Therefore, the clearance and mass Removal (MR) of the hemofilter and CS were calculated. Results: Our preliminary report describes a different impact of CS on these target drugs removal: CS clearance was low for amikacine (6-12%), moderate for ceftazidime (43%) and moderate to high for levofloxacine (52-72%). Higher MR and clearance were observed with CKRT compared to CS. To the best of our knowledge, this is the first report regarding pharmacokinetic dynamics in critically ill children treated with CKRT and CS for septic shock.
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Affiliation(s)
- Gabriella Bottari
- Pediatric Intensive Care Unit, Bambino Gesù Children’s Hospital, IRCCS, 00165 Rome, Italy; (M.M.); (J.C.C.B.); (C.C.)
| | - Bianca Maria Goffredo
- Division of Metabolic Diseases and Drug Biology, Bambino Gesù Children’s Hospital, IRCSS, 00165 Rome, Italy; (B.M.G.); (R.S.); (S.C.)
| | - Marco Marano
- Pediatric Intensive Care Unit, Bambino Gesù Children’s Hospital, IRCCS, 00165 Rome, Italy; (M.M.); (J.C.C.B.); (C.C.)
| | - Cristina Maccarrone
- Anesthesia and Intensive Care Department of Human Pathology, University of Messina, 98158 Messina, Italy; (C.M.); (A.T.M.)
| | - Raffaele Simeoli
- Division of Metabolic Diseases and Drug Biology, Bambino Gesù Children’s Hospital, IRCSS, 00165 Rome, Italy; (B.M.G.); (R.S.); (S.C.)
| | - Giuseppe Bianco
- Hospital Pharmacy Unit, Bambino Gesù Children’s Hospital, IRCCS, 00165 Rome, Italy; (G.B.); (L.V.); (T.C.)
| | - Leonardo Vallesi
- Hospital Pharmacy Unit, Bambino Gesù Children’s Hospital, IRCCS, 00165 Rome, Italy; (G.B.); (L.V.); (T.C.)
| | | | - Anna Teresa Mazzeo
- Anesthesia and Intensive Care Department of Human Pathology, University of Messina, 98158 Messina, Italy; (C.M.); (A.T.M.)
| | - Andrea Cappoli
- Division of Nephrology and Dialysis, Bambino Gesù Children’s Hospital, IRCCS, 00165 Rome, Italy; (A.C.); (R.L.); (I.G.)
| | - Sara Cairoli
- Division of Metabolic Diseases and Drug Biology, Bambino Gesù Children’s Hospital, IRCSS, 00165 Rome, Italy; (B.M.G.); (R.S.); (S.C.)
| | - Raffaella Labbadia
- Division of Nephrology and Dialysis, Bambino Gesù Children’s Hospital, IRCCS, 00165 Rome, Italy; (A.C.); (R.L.); (I.G.)
| | - Corrado Cecchetti
- Pediatric Intensive Care Unit, Bambino Gesù Children’s Hospital, IRCCS, 00165 Rome, Italy; (M.M.); (J.C.C.B.); (C.C.)
| | - Paola Bernaschi
- Microbiology and Diagnostic Immunology Unit, Department of Diagnostic and Laboratory Medicine, Bambino Gesù Children’s Hospital, IRCCS, 00165 Rome, Italy;
| | - Tiziana Corsetti
- Hospital Pharmacy Unit, Bambino Gesù Children’s Hospital, IRCCS, 00165 Rome, Italy; (G.B.); (L.V.); (T.C.)
| | - Santo Morabito
- Hemodialysis Unit, Department of Internal Medicine and Medical Specialties, Policlinico Umberto I, 00161 Rome, Italy;
| | - Fabio Silvio Taccone
- Department of Intensive Care, Hopital Universitaire de Bruxelles (HUB), Université Libre de Bruxelles (ULB), 1050 Brussels, Belgium;
| | - Isabella Guzzo
- Division of Nephrology and Dialysis, Bambino Gesù Children’s Hospital, IRCCS, 00165 Rome, Italy; (A.C.); (R.L.); (I.G.)
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16
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Gatti M, Pea F. The expert clinical pharmacological advice program for tailoring on real-time antimicrobial therapies with emerging TDM candidates in special populations: how the ugly duckling turned into a swan. Expert Rev Clin Pharmacol 2023; 16:1035-1051. [PMID: 37874608 DOI: 10.1080/17512433.2023.2274984] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Accepted: 10/20/2023] [Indexed: 10/25/2023]
Abstract
INTRODUCTION The growing spread of infections caused by multidrug-resistant pathogens makes the need of tailoring antimicrobial therapies by means of a 'patient-centered' approach fundamental. In this scenario, therapeutic drug monitoring (TDM) of emerging antimicrobial candidates may be a valuable approach, but expert interpretation of TDM results should be granted for making them more clinically useful. The MD Clinical Pharmacologist may take over this task since this specialist may couple PK/PD expertise on drugs with a medical background and may provide expert interpretation of TDM results of antimicrobials for tailoring therapy on real-time in each single patient based on specific both drug/pathogen issues and patient issues. AREAS COVERED This article aims to highlight the main key-points and organizational aspects for implementing a successful TDM-based expert clinical pharmacological advice (ECPA) program for tailoring antimicrobial therapies on real-time in different hospitalized patient special populations. EXPERT OPINION TDM-based ECPA programs lead by the MD Clinical Pharmacologist may represent a way forward for maximizing clinical efficacy and for minimizing the risk of resistance developments and/or toxicity of antimicrobials. Stakeholders should be aware of the fact that this innovative approach may be cost-effective.
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Affiliation(s)
- Milo Gatti
- Department of Medical and Surgical Sciences, Alma Mater Studiorum, University of Bologna, Bologna, Italy
- Clinical Pharmacology Unit, Department for Integrated Infectious Risk Management, IRCCS Azienda Ospedaliero Universitaria di Bologna, Bologna, Italy
| | - Federico Pea
- Department of Medical and Surgical Sciences, Alma Mater Studiorum, University of Bologna, Bologna, Italy
- Clinical Pharmacology Unit, Department for Integrated Infectious Risk Management, IRCCS Azienda Ospedaliero Universitaria di Bologna, Bologna, Italy
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17
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Schatz LM, Brinkmann A, Röhr A, Frey O, Greppmair S, Weinelt F, Zoller M, Scharf C, Hempel G, Liebchen U. Systematic Evaluation of Pharmacokinetic Models for Model-Informed Precision Dosing of Meropenem in Critically Ill Patients Undergoing Continuous Renal Replacement Therapy. Antimicrob Agents Chemother 2023; 67:e0010423. [PMID: 37125925 DOI: 10.1128/aac.00104-23] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/02/2023] Open
Abstract
The altered pharmacokinetics of renally cleared drugs such as meropenem in critically ill patients receiving continuous renal replacement therapy (CRRT) might impact target attainment. Model-informed precision dosing (MIPD) is applied to individualize meropenem dosing. However, most population pharmacokinetic (PopPK) models developed to date have not yet been evaluated for MIPD. Eight PopPK models based on adult CRRT patients were identified in a systematic literature research and encoded in NONMEM 7.4. A data set of 73 CRRT patients from two different study centers was used to evaluate the predictive performance of the models using simulation and prediction-based diagnostics for i) a priori dosing based on patient characteristics only and ii) Bayesian dosing by including the first measured trough concentration. Median prediction error (MPE) for accuracy within |20%| (95% confidence intervals including zero) and median absolute prediction error (MAPE) for precision ≤ 30% were considered clinically acceptable. For a priori dosing, most models (n = 5) showed accuracy and precision MPE within |20%| and MAPE <35%. The integration of the first measured meropenem concentration improved the predictive performance of all models (median MAPE decreased from 35.4 to 25.0%; median MPE decreased from 21.8 to 4.6%). The best predictive performance for intermittent infusion was observed for the O'Jeanson model, including residual diuresis as covariate (a priori and Bayesian dosing MPE within |2%|, MAPE <30%). Our study revealed the O'Jeanson model as the best-predicting model for intermittent infusion. However, most of the selected PopPK models are suitable for MIPD in CRRT patients when one therapeutic drug monitoring sample is available.
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Affiliation(s)
- Lea Marie Schatz
- Department of Pharmaceutical and Medical Chemistry, Clinical Pharmacy, University of Muenster, Muenster, Germany
| | - Alexander Brinkmann
- Department of Anaesthesiology and Intensive Care Medicine, General Hospital of Heidenheim, Heidenheim, Germany
| | - Anka Röhr
- Department of Pharmacy, General Hospital of Heidenheim, Heidenheim, Germany
| | - Otto Frey
- Department of Pharmacy, General Hospital of Heidenheim, Heidenheim, Germany
| | - Sebastian Greppmair
- Department of Anesthesiology, University Hospital, LMU Munich, Munich, Germany
| | - Ferdinand Weinelt
- Department of Clinical Pharmacy and Biochemistry, Institute of Pharmacy, Freie Universitaet Berlin, Berlin, Germany
| | - Michael Zoller
- Department of Anesthesiology, University Hospital, LMU Munich, Munich, Germany
| | - Christina Scharf
- Department of Anesthesiology, University Hospital, LMU Munich, Munich, Germany
| | - Georg Hempel
- Department of Pharmaceutical and Medical Chemistry, Clinical Pharmacy, University of Muenster, Muenster, Germany
| | - Uwe Liebchen
- Department of Anesthesiology, University Hospital, LMU Munich, Munich, Germany
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18
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Ito Y, Nakade J, Seki A, Gabata R, Okazaki M, Nakanuma S, Fujita A, Shimada T, Yamashita T, Yagi S, Taniguchi T, Sai Y. Case report: therapeutic monitoring of vancomycin in an acute liver failure patient with anuria under high-flow continuous hemodiafiltration. J Pharm Health Care Sci 2023; 9:15. [PMID: 37122008 PMCID: PMC10150540 DOI: 10.1186/s40780-023-00283-0] [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: 12/15/2022] [Accepted: 03/24/2023] [Indexed: 05/02/2023] Open
Abstract
BACKGROUND High-flow continuous hemodiafiltration (HF-CHDF) combines diffusive and convective solute removal and is employed for artificial liver adjuvant therapy. However, there is no report on dosage planning of vancomycin (VCM) in patients with acute liver failure under HF-CHDF. CASE PRESENTATION A 20-year-old woman (154 cm tall, weighing 50 kg) was transferred to the intensive care unit (ICU) with acute liver failure associated with autoimmune liver disease. On the following day, HF-CHDF was started due to elevated plasma ammonia concentration. On ICU day 8, VCM was started for suspected pneumonia and meningitis (30 mg/kg loading dose, then 20 mg/kg every 12 hrs). However, on ICU day 10, VCM blood concentration was under the limit of detection (< 3.0 μg/mL) and the patient developed anuria. The VCM dose was increased to 20 mg/kg every 6 hrs. Calculation with a one-compartment model using the HF-CHDF blood flow rate as a surrogate for VCM clearance, together with hematocrit and protein binding ratio, predicted a trough VCM blood concentration of 15 μg/mL. The observed concentration was about 12 μg/mL. The difference may represent non-HF-CHDF clearance. Finally, living donor liver transplantation was performed. CONCLUSION We report an acute liver failure patient with anuria under HF-CHDF in whom VCM administration failed to produce an effective blood concentration, likely due to HF-CHDF-enhanced clearance. VCM dosage adjustment proved successful, and was confirmed by calculation using a one-compartment model.
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Affiliation(s)
- Yuriko Ito
- Department of Hospital Pharmacy, University Hospital, Kanazawa University, 13-1 Takara-machi, Kanazawa, Ishikawa, 920-8641, Japan.
| | - Junya Nakade
- Department of Hospital Pharmacy, University Hospital, Kanazawa University, 13-1 Takara-machi, Kanazawa, Ishikawa, 920-8641, Japan
- Department of Infection Control and Prevention, University Hospital, Kanazawa University, 13-1 Takara-machi, Kanazawa, Ishikawa, 920-8641, Japan
| | - Akihiro Seki
- Department of Gastroenterology, Graduate School of Medicine, Kanazawa University, 13-1 Takara-machi, Kanazawa, Ishikawa, 920-8641, Japan
| | - Ryosuke Gabata
- Department of Hepato-Biliary-Pancreatic Surgery and Transplantation, Graduate School of Medical Science, Kanazawa University, 13-1 Takara-machi, Kanazawa, Ishikawa, 920-8641, Japan
| | - Mitsuyoshi Okazaki
- Department of Hepato-Biliary-Pancreatic Surgery and Transplantation, Graduate School of Medical Science, Kanazawa University, 13-1 Takara-machi, Kanazawa, Ishikawa, 920-8641, Japan
| | - Shinichi Nakanuma
- Department of Hepato-Biliary-Pancreatic Surgery and Transplantation, Graduate School of Medical Science, Kanazawa University, 13-1 Takara-machi, Kanazawa, Ishikawa, 920-8641, Japan
| | - Arimi Fujita
- Department of Hospital Pharmacy, University Hospital, Kanazawa University, 13-1 Takara-machi, Kanazawa, Ishikawa, 920-8641, Japan
- Department of Clinical Pharmacokinetics, Graduate School of Medical Sciences, Kanazawa University, 13-1 Takara-machi, Kanazawa, Ishikawa, 920-8641, Japan
| | - Tsutomu Shimada
- Department of Hospital Pharmacy, University Hospital, Kanazawa University, 13-1 Takara-machi, Kanazawa, Ishikawa, 920-8641, Japan
- Department of Clinical Pharmacokinetics, Graduate School of Medical Sciences, Kanazawa University, 13-1 Takara-machi, Kanazawa, Ishikawa, 920-8641, Japan
| | - Taro Yamashita
- Department of Gastroenterology, Graduate School of Medicine, Kanazawa University, 13-1 Takara-machi, Kanazawa, Ishikawa, 920-8641, Japan
| | - Shintaro Yagi
- Department of Hepato-Biliary-Pancreatic Surgery and Transplantation, Graduate School of Medical Science, Kanazawa University, 13-1 Takara-machi, Kanazawa, Ishikawa, 920-8641, Japan
| | - Takumi Taniguchi
- Intensive Care Unit, Kanazawa University Hospital, 13-1 Takara-machi, Kanazawa, Ishikawa, 920-8641, Japan
| | - Yoshimichi Sai
- Department of Hospital Pharmacy, University Hospital, Kanazawa University, 13-1 Takara-machi, Kanazawa, Ishikawa, 920-8641, Japan
- Department of Clinical Pharmacokinetics, Graduate School of Medical Sciences, Kanazawa University, 13-1 Takara-machi, Kanazawa, Ishikawa, 920-8641, Japan
- AI Hospital/Macro Signal Dynamics Research and Development Center, Kanazawa University, 13-1 Takara-machi, Kanazawa, Ishikawa, 920-8641, Japan
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Jonny J, Saraswati PD, Ramadhani BP, Sitepu EC, Pasiak TF. Update on drug-resistant pulmonary tuberculosis treatment in hemodialysis patients. Indian J Tuberc 2023; 71 Suppl 1:S110-S116. [PMID: 39067942 DOI: 10.1016/j.ijtb.2023.04.011] [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: 01/18/2023] [Revised: 03/15/2023] [Accepted: 04/10/2023] [Indexed: 07/30/2024]
Abstract
World Health Organization (WHO) issued the latest recommendations regarding the management of drug-resistant Tuberculosis (TB) in 2022, allowing the replacement of ethambutol (6 months) with linezolid (2 months). This recommendation also introduced a new regimen, namely bedaquiline, pretomanide, linezolid, moxifloxacin (BPaLM) for fluoroquinolone-sensitive patients and bedaquiline, pretomanide, linezolid, (BPaL) for patients insensitive to fluoroquinolone (6-9 months). The latest TB regimen introduced by WHO provides a shorter-course treatment, however not much has been discussed about the impact of this new regimen on chronic kidney disease (CKD) patients, particularly on hemodialysis (HD). The condition of CKD can interfere with the pharmacokinetics of TB medication, thus could reduce effectiveness and increase toxicity. The drugs used on this new regimen are mostly safe for renal impairment patients due to the dominant metabolism in the liver. Particular precaution is given to the administration of linezolid due to increased hematology side effects and bedaquiline with the side effect of QTC interval lengthening and increased risk of arrhythmias. Although this regimen research has not been in many studies in renal failure patients, no significant side effects nor kidney damage evidence was found. This remains to be proven by more research on the patient population with renal failure.
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Affiliation(s)
- Jonny Jonny
- Department of Internal Medicine, Gatot Soebroto Central Army Hospital, DKI Jakarta, Indonesia; Faculty of Medicine, Jakarta Veterans National Development University, DKI Jakarta, Indonesia.
| | | | | | - Enda Cindylosa Sitepu
- Department of Internal Medicine, Gatot Soebroto Central Army Hospital, DKI Jakarta, Indonesia
| | - Taufiq Fredrik Pasiak
- Faculty of Medicine, Jakarta Veterans National Development University, DKI Jakarta, Indonesia
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Stašek J, Keller F, Kočí V, Klučka J, Klabusayová E, Wiewiorka O, Strašilová Z, Beňovská M, Škardová M, Maláska J. Update on Therapeutic Drug Monitoring of Beta-Lactam Antibiotics in Critically Ill Patients—A Narrative Review. Antibiotics (Basel) 2023; 12:antibiotics12030568. [PMID: 36978435 PMCID: PMC10044408 DOI: 10.3390/antibiotics12030568] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Revised: 02/22/2023] [Accepted: 03/07/2023] [Indexed: 03/17/2023] Open
Abstract
Beta-lactam antibiotics remain one of the most preferred groups of antibiotics in critical care due to their excellent safety profiles and their activity against a wide spectrum of pathogens. The cornerstone of appropriate therapy with beta-lactams is to achieve an adequate plasmatic concentration of a given antibiotic, which is derived primarily from the minimum inhibitory concentration (MIC) of the specific pathogen. In a critically ill patient, the plasmatic levels of drugs could be affected by many significant changes in the patient’s physiology, such as hypoalbuminemia, endothelial dysfunction with the leakage of intravascular fluid into interstitial space and acute kidney injury. Predicting antibiotic concentration from models based on non-critically ill populations may be misleading. Therapeutic drug monitoring (TDM) has been shown to be effective in achieving adequate concentrations of many drugs, including beta-lactam antibiotics. Reliable methods, such as high-performance liquid chromatography, provide the accurate testing of a wide range of beta-lactam antibiotics. Long turnaround times remain the main drawback limiting their widespread use, although progress has been made recently in the implementation of different novel methods of antibiotic testing. However, whether the TDM approach can effectively improve clinically relevant patient outcomes must be proved in future clinical trials.
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Affiliation(s)
- Jan Stašek
- Department of Internal Medicine and Cardiology, Faculty of Medicine, University Hospital Brno, Masaryk University, 625 00 Brno, Czech Republic
- Department of Simulation Medicine, Faculty of Medicine, Masaryk University, 625 00 Brno, Czech Republic
| | - Filip Keller
- Department of Anaesthesiology and Intensive Care Medicine, Faculty of Medicine, University Hospital Brno, Masaryk University, 625 00 Brno, Czech Republic
| | - Veronika Kočí
- Department of Anaesthesiology and Intensive Care Medicine, Faculty of Medicine, University Hospital Brno, Masaryk University, 625 00 Brno, Czech Republic
| | - Jozef Klučka
- Department of Simulation Medicine, Faculty of Medicine, Masaryk University, 625 00 Brno, Czech Republic
- Department of Paediatric Anaesthesiology and Intensive Care Medicine, Faculty of Medicine, University Hospital Brno, Masaryk University, 662 63 Brno, Czech Republic
| | - Eva Klabusayová
- Department of Simulation Medicine, Faculty of Medicine, Masaryk University, 625 00 Brno, Czech Republic
- Department of Paediatric Anaesthesiology and Intensive Care Medicine, Faculty of Medicine, University Hospital Brno, Masaryk University, 662 63 Brno, Czech Republic
| | - Ondřej Wiewiorka
- Department of Laboratory Medicine, Division of Clinical Biochemistry, University Hospital Brno, 625 00 Brno, Czech Republic
- Department of Laboratory Methods, Faculty of Medicine, Masaryk University, 625 00 Brno, Czech Republic
| | - Zuzana Strašilová
- Department of Laboratory Medicine, Division of Clinical Biochemistry, University Hospital Brno, 625 00 Brno, Czech Republic
- Department of Laboratory Methods, Faculty of Medicine, Masaryk University, 625 00 Brno, Czech Republic
- Department of Pharmacology, Faculty of Medicine, Masaryk University, 625 00 Brno, Czech Republic
| | - Miroslava Beňovská
- Department of Laboratory Medicine, Division of Clinical Biochemistry, University Hospital Brno, 625 00 Brno, Czech Republic
- Department of Laboratory Methods, Faculty of Medicine, Masaryk University, 625 00 Brno, Czech Republic
| | - Markéta Škardová
- Department of Clinical Pharmacy, Hospital Pharmacy, University Hospital Brno, 625 00 Brno, Czech Republic
| | - Jan Maláska
- Department of Simulation Medicine, Faculty of Medicine, Masaryk University, 625 00 Brno, Czech Republic
- Department of Paediatric Anaesthesiology and Intensive Care Medicine, Faculty of Medicine, University Hospital Brno, Masaryk University, 662 63 Brno, Czech Republic
- 2nd Department of Anaesthesiology University Hospital Brno, 620 00 Brno, Czech Republic
- Correspondence:
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21
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Niibe Y, Suzuki T, Yamazaki S, Suzuki T, Hattori N, Nakada TA, Ishii I. Pharmacokinetics of vancomycin and meropenem during continuous online hemodiafiltration: A case report. J Glob Antimicrob Resist 2023; 33:31-34. [PMID: 36871890 DOI: 10.1016/j.jgar.2023.02.017] [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: 11/08/2022] [Revised: 02/09/2023] [Accepted: 02/14/2023] [Indexed: 03/06/2023] Open
Abstract
OBJECTIVES The pharmacokinetics of vancomycin and meropenem in patients treated with continuous online hemodiafiltration (OL-HDF) are not well understood. CASE We evaluated dialytic clearance and serum concentrations of vancomycin and meropenem by OL-HDF in a critically ill patient with soft tissue infection. The mean clearance of OL-HDF and mean serum concentrations during continuous OL-HDF were 155.2 mL/min and 23.1 µg/mL for vancomycin and 145.6 mL/min and 22.7 µg/mL for meropenem. CONCLUSION Vancomycin and meropenem showed high clearance rates during continuous OL-HDF. However, continuous infusion of these agents at high doses maintained therapeutic serum concentrations.
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Affiliation(s)
- Yoko Niibe
- Division of Pharmacy, Chiba University Hospital, Chiba, Japan.
| | - Tatsuya Suzuki
- Division of Pharmacy, Chiba University Hospital, Chiba, Japan
| | - Shingo Yamazaki
- Division of Pharmacy, Chiba University Hospital, Chiba, Japan
| | - Takaaki Suzuki
- Division of Pharmacy, Chiba University Hospital, Chiba, Japan; Department of Clinical Pharmacy, Graduate School of Pharmaceutical Sciences, Chiba University, Chiba, Japan
| | - Noriyuki Hattori
- Department of Emergency and Critical Care Medicine, Chiba University Graduate School of Medicine, Chiba, Japan
| | - Taka-Aki Nakada
- Department of Emergency and Critical Care Medicine, Chiba University Graduate School of Medicine, Chiba, Japan
| | - Itsuko Ishii
- Division of Pharmacy, Chiba University Hospital, Chiba, Japan; Department of Clinical Pharmacy, Graduate School of Pharmaceutical Sciences, Chiba University, Chiba, Japan
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22
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Kannan A, Pratyusha K, Thakur R, Sahoo MR, Jindal A. Infections in Critically Ill Children. Indian J Pediatr 2023; 90:289-297. [PMID: 36536264 PMCID: PMC9763084 DOI: 10.1007/s12098-022-04420-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Revised: 09/23/2022] [Accepted: 11/13/2022] [Indexed: 12/24/2022]
Abstract
Health care-associated infections (HAI) directly influence the survival of children in pediatric intensive care units (PICU), the most common being central line-associated bloodstream infection (CLABSI) 25-30%, followed by ventilator-associated pneumonia (VAP) 20-25%, and others such as catheter-associated urinary tract infection (CAUTI) 15%, surgical site infection (SSI) 11%. HAIs complicate the course of the disease, especially the critical one, thereby increasing the mortality, morbidity, length of hospital stay, and cost. The incidence of HAI in Western countries is 6.1-15.1% and in India, it is 10.5 to 19.5%. The advances in healthcare practices have reduced the incidence of HAIs in the recent years which is possible due to strict asepsis, hand hygiene practices, surveillance of infections, antibiotic stewardship, and adherence to bundled care. The burden of drug resistance and emerging infections are increasing with limited antibiotics in hand, is still a dreadful threat. The most common manifestation of HAIs is fever in PICU, hence the appropriate targeted search to identify the cause of fever should be done. Proper isolation practices, judicious handling of devices, regular microbiologic audit, local spectrum of organisms, identification of barriers in compliance of hand hygiene practices, appropriate education and training, all put together in an efficient and sustained system improves patient outcome.
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Affiliation(s)
- Abinaya Kannan
- Pediatric Critical Care Unit, Department of Pediatrics, All India Institute of Medical Sciences, Raipur, Chhattisgarh, 492099, India
| | - Kambagiri Pratyusha
- Pediatric Critical Care Unit, Department of Pediatrics, All India Institute of Medical Sciences, Raipur, Chhattisgarh, 492099, India
| | - Ruchy Thakur
- Pediatric Critical Care Unit, Department of Pediatrics, All India Institute of Medical Sciences, Raipur, Chhattisgarh, 492099, India
| | - Manas Ranjan Sahoo
- Pediatric Critical Care Unit, Department of Pediatrics, All India Institute of Medical Sciences, Raipur, Chhattisgarh, 492099, India
| | - Atul Jindal
- Pediatric Critical Care Unit, Department of Pediatrics, All India Institute of Medical Sciences, Raipur, Chhattisgarh, 492099, India.
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23
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Wang C, Chen J, Yang B, Li S, Zhang Y, Chen L, Wang T, Dong Y. Determination of vancomycin exposure target and individualized dosing recommendations for critically ill patients undergoing continuous renal replacement therapy. Pharmacotherapy 2023; 43:180-188. [PMID: 36714991 DOI: 10.1002/phar.2771] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Revised: 12/18/2022] [Accepted: 12/25/2022] [Indexed: 01/31/2023]
Abstract
STUDY OBJECTIVE Few studies have been conducted to quantify the exposure target of vancomycin in intensive care unit (ICU) patients undergoing continuous renal replacement therapy (CRRT) and provide optimized dosage regimens. We aimed to determine vancomycin exposure target and dosing recommendations using data from an open database in critically ill patients undergoing CRRT. DESIGN A retrospective observational cohort study. DATA SOURCE A large public database. PATIENTS The adult patients who received intravenous vancomycin and CRRT treatment in the database between 2017 and 2019 were reviewed to determine eligibility. A total of 180 patients with 1186 observations were included in the population pharmacokinetic (PPK) model development. The clinical efficacy of vancomycin was analyzed in 159 eligible patients. METHODS A PPK model was developed to estimate individual pharmacokinetic (PK) parameters. The area under the concentration-time curve (AUC) was estimated by a Bayesian approach based on individual vancomycin concentrations. Multivariate logistic regression analyses were performed to identify the factors of clinical outcomes. Threshold of vancomycin exposure in predicting efficacy was identified via receiver operating characteristic (ROC) curve. Dosing recommendations were designed using Monte Carlo Simulations (MCS) based on the optimized exposure target. MEASUREMENTS AND MAIN RESULTS On covariate analysis, CRRT intensity significantly affected vancomycin PK. The AUC above 427 mg*h/L was the only significant predictor of clinical efficacy (adjusted odds ratio (aOR): 1.008, 95% confidence interval (CI): 1.004-1.011, p = 0.000). MCS indicated that vancomycin dosage regimens of 5 mg/kg q12h or 7.5 mg/kg q12h were recommended for patients with CRRT intensities of 20-25 mL/kg/h or 25.1-45 mL/kg/h, respectively. CONCLUSIONS An AUC threshold of 427 mg*h/L (assuming the minimal inhibitory concentration (MIC) = 1 mg/L) was a recommended efficacy exposure target of vancomycin for critically ill patients undergoing CRRT. Vancomycin 5-7.5 mg/kg q12h is recommended as the initial dosage regimens for ICU patients undergoing CRRT.
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Affiliation(s)
- Chuhui Wang
- Department of Pharmacy, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Jiaojiao Chen
- Department of Pharmacy, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Bo Yang
- Department of Pharmacy, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Sihan Li
- Department of Pharmacy, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Yiran Zhang
- School of Pharmacy, Xi'an Jiaotong University, Xi'an, China
| | - Lei Chen
- Department of Hemodialysis, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Taotao Wang
- Department of Pharmacy, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Yalin Dong
- Department of Pharmacy, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
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Ruiz-Ramos J, Gras-Martín L, Ramírez P. Antimicrobial Pharmacokinetics and Pharmacodynamics in Critical Care: Adjusting the Dose in Extracorporeal Circulation and to Prevent the Genesis of Multiresistant Bacteria. Antibiotics (Basel) 2023; 12:antibiotics12030475. [PMID: 36978342 PMCID: PMC10044431 DOI: 10.3390/antibiotics12030475] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Revised: 02/21/2023] [Accepted: 02/24/2023] [Indexed: 03/02/2023] Open
Abstract
Critically ill patients suffering from severe infections are prone to pathophysiological pharmacokinetic changes that are frequently associated with inadequate antibiotic serum concentrations. Minimum inhibitory concentrations (MICs) of the causative pathogens tend to be higher in intensive care units. Both pharmacokinetic changes and high antibiotic resistance likely jeopardize the efficacy of treatment. The use of extracorporeal circulation devices to support hemodynamic, respiratory, or renal failure enables pharmacokinetic changes and makes it even more difficult to achieve an adequate antibiotic dose. Besides a clinical response, antibiotic pharmacokinetic optimization is important to reduce the selection of strains resistant to common antibiotics. In this review, we summarize the present knowledge regarding pharmacokinetic changes in critically ill patients and we discuss the effects of extra-corporeal devices on antibiotic treatment together with potential solutions.
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Affiliation(s)
- Jesus Ruiz-Ramos
- Pharmacy Department, Hospital Santa Creu i Sant Pau, 08025 Barcelona, Spain
| | - Laura Gras-Martín
- Pharmacy Department, Hospital Santa Creu i Sant Pau, 08025 Barcelona, Spain
| | - Paula Ramírez
- Intensive Care Unit, Hospital Universitario y Politécnico La Fe, 46026 Valencia, Spain
- Correspondence:
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Cutuli SL, Cascarano L, Lazzaro P, Tanzarella ES, Pintaudi G, Grieco DL, De Pascale G, Antonelli M. Antimicrobial Exposure in Critically Ill Patients with Sepsis-Associated Multi-Organ Dysfunction Requiring Extracorporeal Organ Support: A Narrative Review. Microorganisms 2023; 11:microorganisms11020473. [PMID: 36838438 PMCID: PMC9965524 DOI: 10.3390/microorganisms11020473] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Revised: 02/06/2023] [Accepted: 02/12/2023] [Indexed: 02/16/2023] Open
Abstract
Sepsis is a leading cause of disability and mortality worldwide. The pathophysiology of sepsis relies on the maladaptive host response to pathogens that fosters unbalanced organ crosstalk and induces multi-organ dysfunction, whose severity was directly associated with mortality. In septic patients, etiologic interventions aiming to reduce the pathogen load via appropriate antimicrobial therapy and the effective control of the source infection were demonstrated to improve clinical outcomes. Nonetheless, extracorporeal organ support represents a complementary intervention that may play a role in mitigating life-threatening complications caused by sepsis-associated multi-organ dysfunction. In this setting, an increasing amount of research raised concerns about the risk of suboptimal antimicrobial exposure in critically ill patients with sepsis, which may be worsened by the concomitant delivery of extracorporeal organ support. Accordingly, several strategies have been implemented to overcome this issue. In this narrative review, we discussed the pharmacokinetic features of antimicrobials and mechanisms that may favor drug removal during renal replacement therapy, coupled plasma filtration and absorption, therapeutic plasma exchange, hemoperfusion, extracorporeal CO2 removal and extracorporeal membrane oxygenation. We also provided an overview of evidence-based strategies that may help the physician to safely prescribe effective antimicrobial doses in critically ill patients with sepsis-associated multi-organ dysfunction who receive extracorporeal organ support.
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Affiliation(s)
- Salvatore Lucio Cutuli
- Dipartimento di Scienze dell’Emergenza, Anestesiologiche e Della Rianimazione, Fondazione Policlinico Universitario A. Gemelli IRCCS, L.go A. Gemelli 8, 00168 Rome, Italy
- Dipartimento di Scienze Biotecnologiche di Base Cliniche Intensivologiche e Perioperatorie, Universita’ Cattolica del Sacro Cuore, Rome, L.go F. Vito 1, 00168 Rome, Italy
- Correspondence: ; Tel.: +39-063-015-4490
| | - Laura Cascarano
- Dipartimento di Scienze dell’Emergenza, Anestesiologiche e Della Rianimazione, Fondazione Policlinico Universitario A. Gemelli IRCCS, L.go A. Gemelli 8, 00168 Rome, Italy
- Dipartimento di Scienze Biotecnologiche di Base Cliniche Intensivologiche e Perioperatorie, Universita’ Cattolica del Sacro Cuore, Rome, L.go F. Vito 1, 00168 Rome, Italy
| | - Paolo Lazzaro
- Dipartimento di Scienze dell’Emergenza, Anestesiologiche e Della Rianimazione, Fondazione Policlinico Universitario A. Gemelli IRCCS, L.go A. Gemelli 8, 00168 Rome, Italy
- Dipartimento di Scienze Biotecnologiche di Base Cliniche Intensivologiche e Perioperatorie, Universita’ Cattolica del Sacro Cuore, Rome, L.go F. Vito 1, 00168 Rome, Italy
| | - Eloisa Sofia Tanzarella
- Dipartimento di Scienze dell’Emergenza, Anestesiologiche e Della Rianimazione, Fondazione Policlinico Universitario A. Gemelli IRCCS, L.go A. Gemelli 8, 00168 Rome, Italy
- Dipartimento di Scienze Biotecnologiche di Base Cliniche Intensivologiche e Perioperatorie, Universita’ Cattolica del Sacro Cuore, Rome, L.go F. Vito 1, 00168 Rome, Italy
| | - Gabriele Pintaudi
- Dipartimento di Scienze dell’Emergenza, Anestesiologiche e Della Rianimazione, Fondazione Policlinico Universitario A. Gemelli IRCCS, L.go A. Gemelli 8, 00168 Rome, Italy
- Dipartimento di Scienze Biotecnologiche di Base Cliniche Intensivologiche e Perioperatorie, Universita’ Cattolica del Sacro Cuore, Rome, L.go F. Vito 1, 00168 Rome, Italy
| | - Domenico Luca Grieco
- Dipartimento di Scienze dell’Emergenza, Anestesiologiche e Della Rianimazione, Fondazione Policlinico Universitario A. Gemelli IRCCS, L.go A. Gemelli 8, 00168 Rome, Italy
- Dipartimento di Scienze Biotecnologiche di Base Cliniche Intensivologiche e Perioperatorie, Universita’ Cattolica del Sacro Cuore, Rome, L.go F. Vito 1, 00168 Rome, Italy
| | - Gennaro De Pascale
- Dipartimento di Scienze dell’Emergenza, Anestesiologiche e Della Rianimazione, Fondazione Policlinico Universitario A. Gemelli IRCCS, L.go A. Gemelli 8, 00168 Rome, Italy
- Dipartimento di Scienze Biotecnologiche di Base Cliniche Intensivologiche e Perioperatorie, Universita’ Cattolica del Sacro Cuore, Rome, L.go F. Vito 1, 00168 Rome, Italy
| | - Massimo Antonelli
- Dipartimento di Scienze dell’Emergenza, Anestesiologiche e Della Rianimazione, Fondazione Policlinico Universitario A. Gemelli IRCCS, L.go A. Gemelli 8, 00168 Rome, Italy
- Dipartimento di Scienze Biotecnologiche di Base Cliniche Intensivologiche e Perioperatorie, Universita’ Cattolica del Sacro Cuore, Rome, L.go F. Vito 1, 00168 Rome, Italy
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Frem JA, Doumat G, Kazma J, Gharamti A, Kanj SS, Abou Fayad AG, Matar GM, Kanafani ZA. Clinical predictors of mortality in patients with pseudomonas aeruginosa infection. PLoS One 2023; 18:e0282276. [PMID: 37115776 PMCID: PMC10146515 DOI: 10.1371/journal.pone.0282276] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Accepted: 02/10/2023] [Indexed: 04/29/2023] Open
Abstract
BACKGROUND Infections caused by Pseudomonas aeruginosa are difficult to treat with a significant cost and burden. In Lebanon, P. aeruginosa is one of the most common organisms in ventilator-associated pneumonia (VAP). P. aeruginosa has developed widespread resistance to multiple antimicrobial agents such as fluoroquinolones and carbapenems. We aimed at identifying risk factors associated for P. aeruginosa infections as well as identifying independent risk factors for developing septic shock and in-hospital mortality. METHODS We used a cross-sectional study design where we included patients with documented P. aeruginosa cultures who developed an infection after obtaining written consent. Two multivariable regression models were used to determine independent predictors of septic shock and mortality. RESULTS During the observed period of 30 months 196 patients were recruited. The most common predisposing factor was antibiotic use for more than 48 hours within 30 days (55%). The prevalence of multi-drug resistant (MDR) P. aeruginosa was 10%. The strongest predictors of mortality were steroid use (aOR = 3.4), respiratory failure (aOR = 7.3), identified respiratory cultures (aOR = 6.0), malignancy (aOR = 9.8), septic shock (aOR = 18.6), and hemodialysis (aOR = 30.9). CONCLUSION Understanding resistance patterns and risk factors associated with mortality is crucial to personalize treatment based on risk level and to decrease the emerging threat of antimicrobial resistance.
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Affiliation(s)
- Jim Abi Frem
- Department of Internal Medicine, American University of Beirut, Beirut, Lebanon
| | - George Doumat
- Department of Internal Medicine, American University of Beirut, Beirut, Lebanon
| | - Jamil Kazma
- Department of Obstetrics & Gynecology, George Washington University School of Medicine, Washington, District of Columbia, United States of America
| | - Amal Gharamti
- Department of Internal Medicine, American University of Beirut, Beirut, Lebanon
| | - Souha S Kanj
- Department of Internal Medicine, American University of Beirut, Beirut, Lebanon
| | - Antoine G Abou Fayad
- Department of Experimental Pathology, Immunology, and Microbiology, American University of Beirut, Beirut, Lebanon
- WHO Collaborating Center for Reference and Research on Bacterial Pathogens, American University of Beirut, Beirut, Lebanon
| | - Ghassan M Matar
- Department of Experimental Pathology, Immunology, and Microbiology, American University of Beirut, Beirut, Lebanon
- WHO Collaborating Center for Reference and Research on Bacterial Pathogens, American University of Beirut, Beirut, Lebanon
| | - Zeina A Kanafani
- Department of Internal Medicine, American University of Beirut, Beirut, Lebanon
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Kai M, Tanaka R, Suzuki Y, Goto K, Ohchi Y, Yasuda N, Tatsuta R, Kitano T, Itoh H. UHPLC-MS/MS method for simultaneous quantification of doripenem, meropenem, ciprofloxacin, levofloxacin, pazufloxacin, linezolid, and tedizolid in filtrate during continuous renal replacement therapy. J Clin Lab Anal 2022; 37:e24815. [PMID: 36525363 PMCID: PMC9833962 DOI: 10.1002/jcla.24815] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2022] [Revised: 11/23/2022] [Accepted: 12/06/2022] [Indexed: 12/23/2022] Open
Abstract
BACKGROUND Since severe infections frequently cause acute kidney injury (AKI), continuous renal replacement therapy (CRRT) is often initiated for regulation of inflammatory mediators and renal support. Thus, it is necessary to decide the antibiotic dosage considering the CRRT clearance in addition to residual renal function. Some of the hemofilters used in CRRT are known to adsorb antibiotics, and clearance of antibiotics may differ depending on the adsorptive characteristics of hemofilters. Although assay systems for blood and CRRT filtrate concentrations are required, no method for measuring antibiotics concentrations in filtrate has been reported. We developed a UHPLC-MS/MS method for simultaneous quantification of antibiotics commonly used in ICU, comprising carbapenems [doripenem (DRPM) and meropenem (MEPM)], quinolones [ciprofloxacin (CPFX), levofloxacin (LVFX) and pazufloxacin (PZFX)] and anti-MRSA agents [linezolid (LZD), and tedizolid (TZD)] in CRRT filtrate samples. METHODS Filtrate samples were pretreated by protein precipitation. The analytes were separated with an ACQUITY UHPLC CSH C18 column under a gradient mobile phase consisting of water and acetonitrile containing 0.1% formic acid and 2 mM ammonium formate. RESULTS The method showed good linearity over wide ranges. Within-batch and batch-to-batch accuracy and precision for each drug fulfilled the criteria of the US Food and Drug Administration guidance. The recovery rate was more than 87.20%. Matrix effect ranged from 99.57% to 115.60%. Recovery rate and matrix effect did not differ remarkably between quality control samples at different concentrations. CONCLUSION This is the first report of a simultaneous quantification method of multiple antibiotics in filtrate of CRRT circuit.
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Affiliation(s)
- Makoto Kai
- Department of Clinical PharmacyOita University HospitalYufuJapan
| | - Ryota Tanaka
- Department of Clinical PharmacyOita University HospitalYufuJapan
| | - Yosuke Suzuki
- Department of Clinical PharmacyOita University HospitalYufuJapan,Department of Medication Use Analysis and Clinical ResearchMeiji Pharmaceutical UniversityTokyoJapan
| | - Koji Goto
- Department of Anesthesiology and Intensive Care, Faculty of MedicineOita UniversityYufuJapan
| | - Yoshifumi Ohchi
- Department of Anesthesiology and Intensive Care, Faculty of MedicineOita UniversityYufuJapan
| | - Norihisa Yasuda
- Department of Anesthesiology and Intensive Care, Faculty of MedicineOita UniversityYufuJapan
| | - Ryosuke Tatsuta
- Department of Clinical PharmacyOita University HospitalYufuJapan
| | - Takaaki Kitano
- Department of Anesthesiology and Intensive Care, Faculty of MedicineOita UniversityYufuJapan
| | - Hiroki Itoh
- Department of Clinical PharmacyOita University HospitalYufuJapan
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Corona A, Veronese A, Santini S, Cattaneo D. "CATCH" Study: Correct Antibiotic Therapy in Continuous Hemofiltration in the Critically Ill in Continuous Renal Replacement Therapy: A Prospective Observational Study. Antibiotics (Basel) 2022; 11:antibiotics11121811. [PMID: 36551468 PMCID: PMC9774802 DOI: 10.3390/antibiotics11121811] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Revised: 12/10/2022] [Accepted: 12/12/2022] [Indexed: 12/15/2022] Open
Abstract
The proper posology of antibiotics in the critically ill in CRRT is difficult to assess. We therefore performed a prospective observational cohort study to make clear hints in this topic. Our results reveal a high Sieving Coefficient for all antibiotics, equal to or higher than those described in previous papers. CVVH clearance in relation to total body clearance was significant, (i.e., >than 25% for all classes). A strong correlation between the antibiotic concentrations obtained in plasma and ultrafiltrate was found both at the peak and in the valley, with the determination of two equations that allow a new method for calculating the amount of antibiotic lost in CVVH both for trough levels and peak. Based on the results of our study and considering the limitations we believe that we can extrapolate the following final considerations: (1) it is likely to carry out a loading dose for the main antibiotics (2) subsequent administrations must take into account the daily loss identified by the linear regression equation. This angular coefficient gives the idea that the average daily loss of given antibiotic is about 25%; this implies that on the basis of the linear regression equation that correlates ultrafiltered/plasma antibiotic concentration, the dosage should be increased by 25% every day, while still ensuring a daily plasma TDM of the drug.
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Affiliation(s)
- Alberto Corona
- Accident & Emergency and Anaesthesia and Intensive Care Medicine Department, Esine and Edolo Hospitals, ASST Valcamonica, 25040 Brescia, Italy
- Correspondence:
| | - Alice Veronese
- Intensive Care Unit, ASST Fatebenefratelli Sacco, Polo Universitario, Via GB Grassi 74, PO Luigi Sacco, 20157 Milano, Italy
| | - Silvia Santini
- Intensive Care Unit, ASST Ovest Milanese, Via Giovanni Paolo II, 20025 Legnano, Italy
| | - Dario Cattaneo
- Unit of Clinical Pharmacology, ASST Fatebenefratelli Sacco University Hospital, Via GB Grassi 74, 20157 Milan, Italy
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29
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Wei X, Naseer S, Weinstein EA, Iarikov D, Nambiar S, Reynolds KS, Jang SH. Cefiderocol Dosing for Patients Receiving Continuous Renal Replacement Therapy. Clin Pharmacol Ther 2022; 112:1004-1007. [PMID: 35792715 DOI: 10.1002/cpt.2703] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Accepted: 06/26/2022] [Indexed: 11/03/2022]
Abstract
In this report, we describe our scientific approach for including effluent flow rate (QE )-based dosing recommendations of cefiderocol for patients receiving continuous renal replacement therapy (CRRT) in the product labeling. The total clearance (CL) of cefiderocol in patients receiving CRRT was estimated as the sum of patients' nonrenal clearance (CLnonrenal ) and extracorporeal clearance by CRRT (CLCRRT ), based on the following rationale: (a) The renal clearance (CLrenal ) of cefiderocol is assumed to be negligible in patients receiving CRRT, (b) CLnonrenal represents the CRRT patients' own remaining systemic clearance and is estimated from the observed clearance in participants with creatinine clearance (CLcr) < 15 mL/minute without undergoing hemodialysis, and (c) CLCRRT was estimated by the product of unbound (free) fraction of plasma drug concentration (fu ) and QE because the free fraction of low-molecular-weight compounds like cefiderocol (752 Da) can be completely filtered by CRRT, regardless of CRRT modality. Hence, cefiderocol CL in CRRT patients was calculated by the equation of CL = CLnonrenal + fu × QE . Accordingly, the cefiderocol dosing regimens for patients receiving CRRT in clinically relevant ranges of QE were determined with the goal of achieving an average daily area under the concentration-time curve (AUC) observed in patients not receiving CRRT. Subsequently, pharmacokinetic (PK) simulations demonstrated that cefiderocol PK profiles following the QE -based dosing in patients receiving CRRT would be similar to those in patients not receiving CRRT.
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Affiliation(s)
- Xiaohui Wei
- Division of Infectious Disease Pharmacology, Office of Clinical Pharmacology, Office of Translational Sciences, Center for Drug Evaluation and Research, US Food and Drug Administration, Silver Spring, Maryland, USA
| | - Shabnam Naseer
- Division of Anti-Infectives, Office of Infectious Diseases, Center for Drug Evaluation and Research, US Food and Drug Administration, Silver Spring, Maryland, USA
| | - Edward A Weinstein
- Division of Anti-Infectives, Office of Infectious Diseases, Center for Drug Evaluation and Research, US Food and Drug Administration, Silver Spring, Maryland, USA
- BioNTech US, Cambridge, Massachusetts, USA
| | - Dmitri Iarikov
- Division of Anti-Infectives, Office of Infectious Diseases, Center for Drug Evaluation and Research, US Food and Drug Administration, Silver Spring, Maryland, USA
| | - Sumathi Nambiar
- Division of Anti-Infectives, Office of Infectious Diseases, Center for Drug Evaluation and Research, US Food and Drug Administration, Silver Spring, Maryland, USA
- Johnson and Johnson, Raritan, New Jersey, USA
| | - Kellie S Reynolds
- Division of Infectious Disease Pharmacology, Office of Clinical Pharmacology, Office of Translational Sciences, Center for Drug Evaluation and Research, US Food and Drug Administration, Silver Spring, Maryland, USA
| | - Seong H Jang
- Division of Infectious Disease Pharmacology, Office of Clinical Pharmacology, Office of Translational Sciences, Center for Drug Evaluation and Research, US Food and Drug Administration, Silver Spring, Maryland, USA
- Elevar Therapeutics, Salt Lake City, Utah, USA
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Hashimoto M, Maeda H, Oniki K, Yasui-Furukori N, Watanabe H, Saruwatari J, Kadowaki D. New Insight Concerning Therapeutic Drug Monitoring-The Importance of the Concept of Psychonephrology. Biol Pharm Bull 2022; 45:834-842. [PMID: 35786590 DOI: 10.1248/bpb.b22-00025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Recently, the concept of psychonephrology was developed and has been recognized as a field of study that focuses on nephrology and mental health fields, such as psychiatry and psychosomatic medicine. Indeed, patients with chronic kidney disease frequently suffer from mental problems as the disease stage progresses. Most psychotropic drugs are hepatically metabolized, but some are unmetabolized and eliminated renally. However, renal disease may affect the pharmacokinetics of many psychotropic drugs, as the decreased renal function not only delays the urinary excretion of the drug and its metabolites but also alters various pharmacokinetic factors, such as protein-binding, enterohepatic circulation, and activity of drug-metabolizing enzymes. Therefore, when prescribing drug therapy for patients with both renal disease and mental issues, we should consider reducing the dosage of psychotropic drugs that are eliminated mainly via the kidney and also carefully monitor the blood drug concentrations of other drugs with a high extrarenal clearance, such as those that are largely metabolized in the liver. Furthermore, we should carefully consider the dialyzability of each psychotropic drug, as the dialyzability impacts the drug clearance in patients with end-stage renal failure undergoing dialysis. Therapeutic drug monitoring (TDM) may be a useful tool for adjusting the dosage of psychotropic drugs appropriately in patients with renal disease. We herein review the pharmacokinetic considerations for psychotropic drugs in patients with renal disease as well as those undergoing dialysis and offer new insight concerning TDM in the field of psychonephrology.
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Affiliation(s)
| | - Hitoshi Maeda
- Department of Biopharmaceutics, Graduate School of Pharmaceutical Sciences, Kumamoto University
| | - Kentaro Oniki
- Division of Pharmacology and Therapeutics, Graduate School of Pharmaceutical Sciences, Kumamoto University
| | | | - Hiroshi Watanabe
- Department of Biopharmaceutics, Graduate School of Pharmaceutical Sciences, Kumamoto University
| | - Junji Saruwatari
- Division of Pharmacology and Therapeutics, Graduate School of Pharmaceutical Sciences, Kumamoto University
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31
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Qi Y, Liu G. A UPLC-MS/MS method for simultaneous determination of eight special-grade antimicrobials in human plasma and application in TDM. J Pharm Biomed Anal 2022; 220:114964. [DOI: 10.1016/j.jpba.2022.114964] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Revised: 07/21/2022] [Accepted: 07/24/2022] [Indexed: 10/16/2022]
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Population pharmacokinetics of polymyxin B in critically ill patients receiving continuous venovenous hemofiltration. Int J Antimicrob Agents 2022; 60:106599. [DOI: 10.1016/j.ijantimicag.2022.106599] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Revised: 03/31/2022] [Accepted: 04/28/2022] [Indexed: 11/22/2022]
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Gorham J, Taccone FS, Hites M. Drug Regimens of Novel Antibiotics in Critically Ill Patients with Varying Renal Functions: A Rapid Review. Antibiotics (Basel) 2022; 11:antibiotics11050546. [PMID: 35625190 PMCID: PMC9137536 DOI: 10.3390/antibiotics11050546] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Revised: 04/12/2022] [Accepted: 04/13/2022] [Indexed: 02/01/2023] Open
Abstract
There is currently an increase in the emergence of multidrug-resistant bacteria (MDR) worldwide, requiring the development of novel antibiotics. However, it is not only the choice of antibiotic that is important in treating an infection; the drug regimen also deserves special attention to avoid underdosing and excessive concentrations. Critically ill patients often have marked variation in renal function, ranging from augmented renal clearance (ARC), defined as a measured creatinine clearance (CrCL) ≥ 130 mL/min*1.73 m2, to acute kidney injury (AKI), eventually requiring renal replacement therapy (RRT), which can affect antibiotic exposure. All novel beta-lactam (BLs) and/or beta-lactam/beta-lactamases inhibitors (BL/BLIs) antibiotics have specific pharmacokinetic properties, such as hydrophilicity, low plasma–protein binding, small volume of distribution, low molecular weight, and predominant renal clearance, which require adaptation of dosage regimens in the presence of abnormal renal function or RRT. However, there are limited data on the topic. The aim of this review was therefore to summarize available PK studies on these novel antibiotics performed in patients with ARC or AKI, or requiring RRT, in order to provide a practical approach to guide clinicians in the choice of the best dosage regimens in critically ill patients.
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Affiliation(s)
- Julie Gorham
- Department of Intensive Care, Hôpitaux Universitaires de Bruxelles (HUB)-Erasme, Université Libre de Bruxelles, 1070 Brussels, Belgium;
- Correspondence: ; Tel.: +32-473-27-60-20; Fax: +32-2-534-37-56
| | - Fabio Silvio Taccone
- Department of Intensive Care, Hôpitaux Universitaires de Bruxelles (HUB)-Erasme, Université Libre de Bruxelles, 1070 Brussels, Belgium;
| | - Maya Hites
- Clinic of Infectious Diseases, HUB-Erasme, Université Libre de Bruxelles, 1070 Brussels, Belgium;
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34
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Butragueño-Laiseca L, Marco-Ariño N, Troconiz IF, Grau S, Campillo N, García X, Padilla B, Fernández SN, Slöcker M, Santiago MJ. Population pharmacokinetics of piperacillin in critically ill children including those undergoing continuous kidney replacement therapy. Clin Microbiol Infect 2022; 28:1287.e9-1287.e15. [PMID: 35390523 DOI: 10.1016/j.cmi.2022.03.031] [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: 01/31/2022] [Revised: 03/09/2022] [Accepted: 03/22/2022] [Indexed: 11/17/2022]
Abstract
OBJECTIVES Despite that piperacillin-tazobactam combination is commonly used in critically ill children, increasing evidence suggests that the current dosing schedules are not optimal for these patients. The aim of this work is to develop a population pharmacokinetic (PK) model for piperacillin to evaluate the efficacy of standard dosing in children with and without kidney replacement therapy (CKRT), and to propose alternative dosing schemes maximizing target attainment. METHODS 429 piperacillin concentrations measured in different matrices, obtained from 32 critically ill children (19 without CKRT, 13 with CKRT) receiving 100 mg/kg of piperacillin/tazobactam every 8 hours (increased to 12h after the 4th dose) were modelled simultaneously using the population approach with NONMEM 7.4. The percentage of patients with 90% fT>MIC and target attainment (percentage of dosing interval above MIC) were estimated for different intermittent and continuous infusions in the studied population. RESULTS Piperacillin PK was best described with a two-compartment model. Renal (CLR), nonrenal (CLM), and hemofilter (CLCKRT) clearances were found to be influenced by the glomerular filtration rate, height (CLR), weight (CLM) and filter surface (CLCKRT). Only 7 (37%) children without CKRT and 7 (54%) with CKRT achieved 90% fT >MIC with the current dosing schedule. Of the alternative regimens evaluated, a 24h continuous infusion of 200 mg/kg (CKRT) and 300 mg/kg (no CKRT) provided 100% fT >MIC(≤16mg/L) and target attainments ≥90% across all evaluated MICs. CONCLUSIONS In children with and without CKRT, standard dosing failed to provide an adequate systemic exposure, while prolonged and continuous infusions showed an improved efficacy.
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Affiliation(s)
- Laura Butragueño-Laiseca
- Pediatric Intensive Care Unit, Hospital General Universitario Gregorio Marañón, Madrid, Spain; Gregorio Marañón Health Research Institute (IISGM), Madrid, Spain; Pediatrics Department, Universidad Complutense de Madrid, Spain; Maternal and Child Health and Development Research Network (REDSAMID), Institute of Health Carlos III, Madrid, Spain
| | - Nicolás Marco-Ariño
- Pharmacometrics & Systems Pharmacology Research Unit, Department of Pharmaceutical Technology and Chemistry, School of Pharmacy and Nutrition, University of Navarra, Pamplona, Spain; IdiSNA, Navarra Institute for Health Research, Pamplona, Spain
| | - Iñaki F Troconiz
- Pharmacometrics & Systems Pharmacology Research Unit, Department of Pharmaceutical Technology and Chemistry, School of Pharmacy and Nutrition, University of Navarra, Pamplona, Spain; IdiSNA, Navarra Institute for Health Research, Pamplona, Spain
| | - Santiago Grau
- Pharmacy Department, Hospital del Mar, Universitat Autònoma de Barcelona Barcelona, Spain
| | - Nuria Campillo
- Pharmacy Department, Hospital del Mar, Universitat Autònoma de Barcelona Barcelona, Spain
| | - Xandra García
- Pharmacy Department, Hospital General Universitario Gregorio Marañón
| | - Belén Padilla
- Clinical Microbiology Department, Hospital General Universitario Gregorio Marañón
| | - Sarah Nicole Fernández
- Pediatric Intensive Care Unit, Hospital General Universitario Gregorio Marañón, Madrid, Spain; Gregorio Marañón Health Research Institute (IISGM), Madrid, Spain; Pediatrics Department, Universidad Complutense de Madrid, Spain; Maternal and Child Health and Development Research Network (REDSAMID), Institute of Health Carlos III, Madrid, Spain
| | - María Slöcker
- Pediatric Intensive Care Unit, Hospital General Universitario Gregorio Marañón, Madrid, Spain; Gregorio Marañón Health Research Institute (IISGM), Madrid, Spain; Pediatrics Department, Universidad Complutense de Madrid, Spain; Maternal and Child Health and Development Research Network (REDSAMID), Institute of Health Carlos III, Madrid, Spain
| | - María José Santiago
- Pediatric Intensive Care Unit, Hospital General Universitario Gregorio Marañón, Madrid, Spain; Gregorio Marañón Health Research Institute (IISGM), Madrid, Spain; Pediatrics Department, Universidad Complutense de Madrid, Spain; Maternal and Child Health and Development Research Network (REDSAMID), Institute of Health Carlos III, Madrid, Spain.
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35
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Chang JL, Pearson JC, Rhee C. Early Empirical Use of Broad-Spectrum Antibiotics in Sepsis. Curr Infect Dis Rep 2022. [DOI: 10.1007/s11908-022-00777-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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36
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Xu C, Liu X, Cui Y, Huang X, Wang Y, Fan Y, Wu H, Li X, Guo B, Zhang J, Zhang Y. Case Report: Therapeutic Drug Monitoring of Polymyxin B During Continuous Renal Replacement Therapy in Two Pediatric Patients: Do Not Underestimate Extracorporeal Clearance. Front Pharmacol 2022; 13:822981. [PMID: 35401193 PMCID: PMC8988185 DOI: 10.3389/fphar.2022.822981] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Accepted: 03/03/2022] [Indexed: 11/13/2022] Open
Abstract
Background: Polymyxin B has become the last choice for patient with carbapenem-resistant bacterial infection. However, the optimal dosing of polymyxin B in critically ill children receiving continuous renal replacement therapy (CRRT) remains unclear. Case Presentation: Two cases of critically ill pediatric patients (7 years old) with acute kidney injury requiring continuous renal replacement (CRRT) received polymyxin B treatment due to carbapenem-resistant organism bloodstream infections. Therapeutic drug monitoring (TDM) of polymyxin B was carried out by liquid chromatography tandem mass spectrometry (LC-MS/MS). The average steady-state plasma concentration (Css,avg) of 2–4 mg/L was set as the target level. Initial polymyxin B dose was 1 mg/kg every 12 h, and the Css,avg at 4–5th dosing were 1.76 and 1.06 mg/L for patient 1 and patient 2, respectively. TDM-guided polymyxin B dose was escalated to 2 mg/kg every 12 h for both patients, resulting in the Css,avg of 2.60 and 1.73 mg/L, and the infection was controlled subsequently. Css,avg of polymyxin B with the same dosing regimens and infusion length were different during CRRT and after termination of CRRT for both patients (2.60 mg/L vs. 4.94 mg/L with 2 mg/kg every 12 h in 2 h infusion for patient 1; and 1.73 mg/L vs. 3.53 mg/L with 2 mg/kg every 12 h in 2 h infusion for patient 2). The estimation of drug exposure (estimated by AUCss,12h at the same dose) during CRRT and cessation of CRRT showed that 45% and 51% of polymyxin B was cleared during CRRT. Conclusion: Our study showed high clearance of polymyxin B through CRRT, and supplanted dosing of polymyxin B is necessary in pediatric patients undergoing CRRT.
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Affiliation(s)
- Caifang Xu
- Department of Critical Care Medicine, Shanghai Children’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xiaofen Liu
- Institute of Antibiotics, Huashan Hospital, Fudan University, Shanghai, China
- Key Laboratory of Clinical Pharmacology of Antibiotics, National Health Commission of the People’s Republic of China, Shanghai, China
| | - Yun Cui
- Department of Critical Care Medicine, Shanghai Children’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xiaolan Huang
- Institute of Antibiotics, Huashan Hospital, Fudan University, Shanghai, China
- Key Laboratory of Clinical Pharmacology of Antibiotics, National Health Commission of the People’s Republic of China, Shanghai, China
| | - Yu Wang
- Institute of Antibiotics, Huashan Hospital, Fudan University, Shanghai, China
- Key Laboratory of Clinical Pharmacology of Antibiotics, National Health Commission of the People’s Republic of China, Shanghai, China
| | - Yaxin Fan
- Institute of Antibiotics, Huashan Hospital, Fudan University, Shanghai, China
- Key Laboratory of Clinical Pharmacology of Antibiotics, National Health Commission of the People’s Republic of China, Shanghai, China
| | - Hailan Wu
- Institute of Antibiotics, Huashan Hospital, Fudan University, Shanghai, China
- Key Laboratory of Clinical Pharmacology of Antibiotics, National Health Commission of the People’s Republic of China, Shanghai, China
| | - Xin Li
- Institute of Antibiotics, Huashan Hospital, Fudan University, Shanghai, China
- Key Laboratory of Clinical Pharmacology of Antibiotics, National Health Commission of the People’s Republic of China, Shanghai, China
| | - Beining Guo
- Institute of Antibiotics, Huashan Hospital, Fudan University, Shanghai, China
- Key Laboratory of Clinical Pharmacology of Antibiotics, National Health Commission of the People’s Republic of China, Shanghai, China
| | - Jing Zhang
- Institute of Antibiotics, Huashan Hospital, Fudan University, Shanghai, China
- Key Laboratory of Clinical Pharmacology of Antibiotics, National Health Commission of the People’s Republic of China, Shanghai, China
- Phase I Clinical Trial Center, Huashan Hospital, Fudan University, Shanghai, China
- *Correspondence: Yucai Zhang, ; Jing Zhang,
| | - Yucai Zhang
- Department of Critical Care Medicine, Shanghai Children’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- *Correspondence: Yucai Zhang, ; Jing Zhang,
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Shawwa K, Kompotiatis P, Sakhuja A, McCarthy P, Kashani KB. Prolonged exposure to continuous renal replacement therapy in patients with acute kidney injury. J Nephrol 2022; 35:585-595. [PMID: 34160782 PMCID: PMC8695624 DOI: 10.1007/s40620-021-01097-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Accepted: 06/10/2021] [Indexed: 12/26/2022]
Abstract
BACKGROUND Little is known about the process of deciding to discontinue continuous renal replacement therapy (CRRT) in patients with acute kidney injury (AKI) and the impact of CRRT duration on outcomes. METHODS We report the clinical parameters of prolonged CRRT exposure and predictors of doubling of serum creatinine or need for dialysis at 90 days after CRRT with propensity score matching, including covariates that were likely to influence patients in the prolonged CRRT group. RESULTS Among 104 survey responders, most use urine output (87%) to guide CRRT discontinuation, 24% use improvement in clinical or hemodynamic status. In the cohort study, of 854 included patients, 465 participated in the assessment of kidney recovery. Patients with prolonged CRRT had higher SOFA scores (11.9 vs. 11.2) and were more likely to be mechanically ventilated (99% vs. 84%) at CRRT initiation compared to patients without prolonged CRRT, p-value < 0.05. In multivariable logistic regression, daily urine output and cumulative fluid balance leading to CRRT discontinuation or day seven were independently associated with lower [OR 0.87 per 200 ml/day increase] and higher odds [OR 1.03 per 1-L increase] of requiring prolonged CRRT, respectively. After propensity score matching, prolonged exposure to CRRT was independently associated with increased risk of doubling serum creatinine or dialysis at 90 days, OR 3.1 (95% CI 1.23-8.3 p = 0.017). CONCLUSIONS Resolution of critical illness and signs of kidney recovery are important factors when considering CRRT discontinuation. Prolonged CRRT exposure may be associated with less chance of kidney recovery among survivors.
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Affiliation(s)
- Khaled Shawwa
- Division of Nephrology and Hypertension, Department of Medicine, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA,Section of Nephrology, Department of Medicine, West Virginia University, Morgantown, WV, USA
| | - Panagiotis Kompotiatis
- Division of Nephrology and Hypertension, Department of Medicine, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA
| | - Ankit Sakhuja
- Division of Cardiovascular Critical Care, Department of Cardiovascular and Thoracic Surgery, Heart and Vascular Institute, West Virginia University, Morgantown, WV, USA
| | - Paul McCarthy
- Division of Cardiovascular Critical Care, Department of Cardiovascular and Thoracic Surgery, Heart and Vascular Institute, West Virginia University, Morgantown, WV, USA
| | - Kianoush B. Kashani
- Division of Nephrology and Hypertension, Department of Medicine, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA,Division of Cardiovascular Critical Care, Department of Cardiovascular and Thoracic Surgery, Heart and Vascular Institute, West Virginia University, Morgantown, WV, USA,Division of Pulmonary and Critical Care Medicine, Department of Medicine, Mayo Clinic, Rochester, MN, USA
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38
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Lu Q, He X, Fang J, Shi K, Hu F, Bian X, Wang X. Simultaneous determination of linezolid and voriconazole serum concentrations using liquid chromatography-tandem mass spectrometry. J Pharm Biomed Anal 2022; 212:114659. [PMID: 35182831 DOI: 10.1016/j.jpba.2022.114659] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Revised: 02/07/2022] [Accepted: 02/08/2022] [Indexed: 11/25/2022]
Abstract
Linezolid and voriconazole are two antimicrobials used for severe infections in critically ill patients. Pharmacokinetics and pharmacodynamics are altered in critically ill patients. Therefore, standard dosing of anti-infective agents may not reach the optimal therapeutic targets. A rapid and simple liquid chromatography-tandem mass spectrometry (LC-MS/MS) method was developed for simultaneous determination of linezolid and voriconazole in human serum only 3 min after one-step protein precipitation pretreatment to monitor their concentrations. Multiple-reaction monitoring (MRM) mode was used for detection. The calibration curves were linear over the range of 0.5-100 μg/mL for both linezolid and voriconazole, with regression coefficients above 0.9900 for all analytes. The intra- and interday coefficients of variation were below 15% at all concentration levels (LLOQ/LQC/MQC/HQC). This method was successfully applied to routine therapeutic drug monitoring (TDM) for critically ill patients and other patients in need.
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Affiliation(s)
- Qiuya Lu
- Department of Laboratory Medicine, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 200025, China
| | - Xiaoshuang He
- Department of Pharmacy, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 200025, China
| | - Jie Fang
- Department of Pharmacy, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 200025, China
| | - Kaifeng Shi
- Department of Laboratory Medicine, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 200025, China
| | - Fengmei Hu
- Shanghai AB Sciex Analytical Instrument Trading Co., Ltd., Shanghai 200050, China
| | - Xiaolan Bian
- Department of Pharmacy, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 200025, China.
| | - Xuefeng Wang
- Department of Laboratory Medicine, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 200025, China.
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Matusik E, Boidin C, Friggeri A, Richard JC, Bitker L, Roberts JA, Goutelle S. Therapeutic Drug Monitoring of Antibiotic Drugs in Patients Receiving Continuous Renal Replacement Therapy or Intermittent Hemodialysis: A Critical Review. Ther Drug Monit 2022; 44:86-102. [PMID: 34772891 DOI: 10.1097/ftd.0000000000000941] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2021] [Accepted: 09/16/2021] [Indexed: 11/26/2022]
Abstract
PURPOSE Antibiotics are frequently used in patients receiving intermittent or continuous renal replacement therapy (RRT). Continuous renal replacement may alter the pharmacokinetics (PK) and the ability to achieve PK/pharmacodynamic (PD) targets. Therapeutic drug monitoring (TDM) could help evaluate drug exposure and guide antibiotic dosage adjustment. The present review describes recent TDM data on antibiotic exposure and PK/PD target attainment (TA) in patients receiving intermittent or continuous RRT, proposing practical guidelines for performing TDM. METHODS Studies on antibiotic TDM performed in patients receiving intermittent or continuous RRT published between 2000 and 2020 were searched and assessed. The authors focused on studies that reported data on PK/PD TA. TDM recommendations were based on clinically relevant PK/PD relationships and previously published guidelines. RESULTS In total, 2383 reports were retrieved. After excluding nonrelevant publications, 139 articles were selected. Overall, 107 studies reported PK/PD TA for 24 agents. Data were available for various intermittent and continuous RRT techniques. The study design, TDM practice, and definition of PK/PD targets were inconsistent across studies. Drug exposure and TA rates were highly variable. TDM seems to be necessary to control drug exposure in patients receiving intermittent and continuous RRT techniques, especially for antibiotics with narrow therapeutic margins and in critically ill patients. Practical recommendations can provide insights on relevant PK/PD targets, sampling, and timing of TDM for various antibiotic classes. CONCLUSIONS Highly variable antibiotic exposure and TA have been reported in patients receiving intermittent or continuous RRT. TDM for aminoglycosides, beta-lactams, glycopeptides, linezolid, and colistin is recommended in patients receiving RRT and suggested for daptomycin, fluoroquinolones, and tigecycline in critically ill patients on RRT.
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Affiliation(s)
- Elodie Matusik
- Pôle Pharmacie & Pôle Urgences-Réanimation-Anesthésie, Centre Hospitalier de Valenciennes, Valenciennes, France
| | - Clément Boidin
- Hospices Civils de Lyon, Groupement Hospitalier Sud, Service de Pharmacie, Pierre-Bénite
- Univ Lyon, Université Claude Bernard Lyon 1, EA 3738 CICLY - Centre pour l'Innovation en Cancérologie de Lyon, Oullins
| | - Arnaud Friggeri
- Hospices Civils de Lyon, Groupement Hospitalier Sud, Service d'Anesthésie, Médecine Intensive et Réanimation, Pierre-Bénite
- Univ Lyon, Université Claude Bernard Lyon, Faculté de Médecine Lyon Sud-Charles Mérieux, Oullins
- UMR CNRS 5308, Inserm U1111, Centre International de Recherche en Infectiologie, Laboratoire des Pathogènes Émergents
| | - Jean-Christophe Richard
- Hospices Civils de Lyon, Groupement Hospitalier Nord, Service de Médecine Intensive Réanimation, Lyon
- Université de Lyon, Université Claude Bernard Lyon 1, INSA-Lyon, UJM-Saint Etienne, CNRS, Inserm, CREATIS UMR CNRS 5220, Inserm U1206, Villeurbanne, France
| | - Laurent Bitker
- Hospices Civils de Lyon, Groupement Hospitalier Nord, Service de Médecine Intensive Réanimation, Lyon
- Université de Lyon, Université Claude Bernard Lyon 1, INSA-Lyon, UJM-Saint Etienne, CNRS, Inserm, CREATIS UMR CNRS 5220, Inserm U1206, Villeurbanne, France
| | - Jason A Roberts
- Faculty of Medicine the University of Queensland, University of Queensland Centre for Clinical Research
- Departments of Pharmacy and Intensive Care Medicine, Royal Brisbane and Women's Hospital, Brisbane, Australia
- Division of Anaesthesiology Critical Care Emergency and Pain Medicine, Nîmes University Hospital, University of Montpellier, Nîmes
| | - Sylvain Goutelle
- Hospices Civils de Lyon, Groupement Hospitalier Nord, Service de Pharmacie
- Univ Lyon, Université Claude Bernard Lyon 1, ISPB-Faculté de Pharmacie de Lyon ; and
- Univ Lyon, Université Claude Bernard Lyon 1, UMR CNRS 5558, Laboratoire de Biométrie et Biologie Évolutive Villeurbanne, France
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40
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Farrar JE, Mueller SW, Stevens V, Kiser TH, Taleb S, Reynolds PM. Correlation of antimicrobial fraction unbound and sieving coefficient in critically ill patients on continuous renal replacement therapy: a systematic review. J Antimicrob Chemother 2021; 77:310-319. [DOI: 10.1093/jac/dkab396] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Accepted: 10/06/2021] [Indexed: 12/20/2022] Open
Abstract
Abstract
Background
Fraction unbound has been used as a surrogate for antimicrobial sieving coefficient (SC) to predict extracorporeal clearance in critically ill patients on continuous renal replacement therapy (CRRT), but this is based largely on expert opinion.
Objectives
To examine relationships between package insert-derived fraction unbound (Fu-P), study-specific fraction unbound (Fu-S), and SC in critically ill patients receiving CRRT.
Methods
English-language studies containing patient-specific in vivo pharmacokinetic parameters for antimicrobials in critically ill patients requiring CRRT were included. The primary outcome included correlations between Fu-S, Fu-P, and SC. Secondary outcomes included correlations across protein binding quartiles, serum albumin, and predicted in-hospital mortality, and identification of predictors for SC through multivariable analysis.
Results
Eighty-nine studies including 32 antimicrobials were included for analysis. SC was moderately correlated to Fu-S (R2 = 0.55, P < 0.001) and Fu-P (R2 = 0.41, P < 0.001). SC was best correlated to Fu-S in first (<69%) and fourth (>92%) quartiles of fraction unbound and above median albumin concentrations of 24.5 g/L (R2 = 0.71, P = 0.07). Conversely, correlation was weaker in patients with mortality estimates greater than the median of 55% (R2 = 0.06, P = 0.84). SC and Fu-P were also best correlated in the first quartile of antimicrobial fraction unbound (R2 = 0.66, P < 0.001). Increasing Fu-P, flow rate, membrane surface area, and serum albumin, and decreasing physiologic charge significantly predicted increasing SC.
Conclusions
Fu-S and Fu-P were both reasonably correlated to SC. Caution should be taken when using Fu-S to calculate extracorporeal clearance in antimicrobials with 69%–92% fraction unbound or with >55% estimated in-hospital patient mortality. Fu-P may serve as a rudimentary surrogate for SC when Fu-S is unavailable.
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Affiliation(s)
- Julie E. Farrar
- Auburn University Harrison School of Pharmacy, 650 Clinic Dr, Mobile, AL 36688, USA
| | - Scott W. Mueller
- University of Colorado Skaggs School of Pharmacy and Pharmaceutical Sciences, 12850 E. Montview Blvd, Aurora, CO 80045, USA
| | - Victoria Stevens
- University of Colorado Hospital, 12505 E 16th Ave, Aurora, CO 80045, USA
| | - Tyree H. Kiser
- University of Colorado Skaggs School of Pharmacy and Pharmaceutical Sciences, 12850 E. Montview Blvd, Aurora, CO 80045, USA
| | - Sim Taleb
- University of Colorado Skaggs School of Pharmacy and Pharmaceutical Sciences, 12850 E. Montview Blvd, Aurora, CO 80045, USA
| | - Paul M. Reynolds
- University of Colorado Skaggs School of Pharmacy and Pharmaceutical Sciences, 12850 E. Montview Blvd, Aurora, CO 80045, USA
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Rungkitwattanakul D, Charoensareerat T, Kerdnimith P, Kosumwisaisakul N, Teeranaew P, Boonpeng A, Pattharachayakul S, Srisawat N, Chaijamorn W. Imipenem dosing recommendations for patients undergoing continuous renal replacement therapy: systematic review and Monte Carlo simulations. RENAL REPLACEMENT THERAPY 2021. [DOI: 10.1186/s41100-021-00380-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Abstract
Background
The appropriate dosing of imipenem for critically ill AKI patients undergoing CRRT remains scarce.
Purpose
This study aimed to (1) gather the available published pharmacokinetic studies conducted in septic patients receiving continuous renal replacement therapy (CRRT) and (2) to define the optimal imipenem dosing regimens in these populations via Monte Carlo simulations.
Methods
The databases of PubMed, Embase, and ScienceDirect were searched from inception to May 2020. We used the Medical Subject Headings of “Imipenem,” “CRRT,” and “pharmacokinetics” or related terms or synonym to identify the studies for systematic reviews. A one-compartment pharmacokinetic model was conducted to predict imipenem levels for the initial 48 h of therapy. The pharmacodynamic target was 40% of free drug level above 4 times of the MIC (40% fT > 4 MIC). The dose that achieved at least 90% of the probability of target attainment was defined as an optimal dose.
Results
Eleven articles were identified and included for our systematic review. The necessary pharmacokinetic parameters such as the volume of distribution and the CRRT clearance were mentioned in 100 and 90.9%, respectively. None of the current studies reported the complete necessary parameters. A regimen of 750 mg q 6 h was the optimal dose for the predilution-CVVH and CVVHD modality with two effluent rates (25 and 35 mL/kg/h) for the pharmacodynamic target of 40% fT > 4MIC.
Conclusions
None of the current studies showed the complete necessary pharmacokinetic parameters for drug dosing. Pharmacodynamic target significantly contributed to imipenem dosing regimens in these patients. Different effluent rates and types of CRRT had minimal impact on dosing regimens. Clinical validation of the recommendation is necessary.
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Validation and Clinical Application of a New Liquid Chromatography Coupled to Mass Spectrometry (HPLC-MS) Method for Dalbavancin Quantification in Human Plasma. SEPARATIONS 2021. [DOI: 10.3390/separations8100189] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Dalbavancin (DBV) is an intravenous long-acting second-generation glycolipopeptide antibiotic with high efficacy and excellent tolerability, approved for use in the treatment of Gram-positive skin and skin structure infections (ABSSSI). Nevertheless, little is known about its pharmacokinetic/pharmacodynamic (PK/PD) properties in real life, which is also due to technical challenges in its quantification in human plasma, preventing an effective application of therapeutic drug monitoring (TDM). In fact, DBV has a high affinity to plasma proteins, possibly resulting in poor recovery after extraction procedure. The aim of this study was to validate a simple, cheap and reliable HPLC-MS method for use in TDM, in accordance with FDA and EMA guidelines. The optimized protein precipitation protocol required 50 μL of plasma, while chromatographic analysis could be performed in 12 min/sample. This method fulfilled the guidelines requirements and then, it was applied for routine DBV TDM in patients receiving off-label high doses (two 1500 + 1500 mg weekly infusions instead of 1000 + 500 mg), with normal renal function or undergoing hemodialysis: continuous hemodiafiltration caused a relevant reduction in DBV exposure, while intermittent dialysis showed comparable DBV concentrations with those of patients with normal renal function. This confirmed the eligibility of the presented method for use in TDM and its usefulness in clinical practice.
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43
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Song H, Yuan Z, Peng Y, Luo G. Extracorporeal membrane oxygenation combined with continuous renal replacement therapy for the treatment of severe burns: current status and challenges. BURNS & TRAUMA 2021; 9:tkab017. [PMID: 34212063 PMCID: PMC8240511 DOI: 10.1093/burnst/tkab017] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/31/2021] [Revised: 02/26/2021] [Indexed: 11/25/2022]
Abstract
Severe burns often cause various systemic complications and multiple organ dysfunction syndrome, which is the main cause of death. The lungs and kidneys are vulnerable organs in patients with multiple organ dysfunction syndrome after burns. Extracorporeal membrane oxygenation (ECMO) and continuous renal replacement therapy (CRRT) have been gradually applied in clinical practice and are beneficial for severe burn patients with refractory respiratory failure or renal dysfunction. However, the literature on ECMO combined with CRRT for the treatment of severe burns is limited. Here, we focus on the current status of ECMO combined with CRRT for the treatment of severe burns and the associated challenges, including the timing of treatment, nutrition support, heparinization and wound management, catheter-related infection and drug dosing in CRRT. With the advancement of medical technology, ECMO combined with CRRT will be further optimized to improve the outcomes of patients with severe burns.
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Affiliation(s)
- Huapei Song
- State Key Laboratory of Trauma, Burn and Combined Injury, Institute of Burn Research, Southwest Hospital, Third Military Medical University (Army Medical University), 30 Gaotanyan Street, Chongqing 400038, China
| | - Zhiqiang Yuan
- State Key Laboratory of Trauma, Burn and Combined Injury, Institute of Burn Research, Southwest Hospital, Third Military Medical University (Army Medical University), 30 Gaotanyan Street, Chongqing 400038, China
| | - Yizhi Peng
- State Key Laboratory of Trauma, Burn and Combined Injury, Institute of Burn Research, Southwest Hospital, Third Military Medical University (Army Medical University), 30 Gaotanyan Street, Chongqing 400038, China
| | - Gaoxing Luo
- State Key Laboratory of Trauma, Burn and Combined Injury, Institute of Burn Research, Southwest Hospital, Third Military Medical University (Army Medical University), 30 Gaotanyan Street, Chongqing 400038, China
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Antimicrobial Dose Reduction in Continuous Renal Replacement Therapy: Myth or Real Need? A Practical Approach for Guiding Dose Optimization of Novel Antibiotics. Clin Pharmacokinet 2021; 60:1271-1289. [PMID: 34125420 PMCID: PMC8505328 DOI: 10.1007/s40262-021-01040-y] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/18/2021] [Indexed: 12/18/2022]
Abstract
Acute kidney injury represents a common complication in critically ill patients affected by septic shock and in many cases continuous renal replacement therapy (CRRT) may be required. In this scenario, antimicrobial dose optimization is highly challenging as the extracorporeal circuit may cause several pharmacokinetic alterations, which add up to volume of distribution and clearance variations resulting from sepsis. Variations in CRRT settings (i.e. modality of solute removal, type of filter material, blood flow rate and effluent flow rate), coupled with the presence of residual and/or recovering renal function, may cause dynamic variations in the clearance of hydrophilic antimicrobials. This means that dose reduction may not always be needed. Nowadays, the lack of pharmacokinetic data for novel antimicrobials during CRRT limits evidence-based dose recommendations for critically ill patients in this setting, thus making available evidence hardly applicable in real-world scenarios. This review aims to summarize the major determinants involved in antimicrobial clearance, and the available pharmacokinetic studies performed during CRRT involving novel antibiotics used for the management of multidrug-resistant Gram-positive and Gram-negative infections (namely ceftolozane–tazobactam, ceftazidime–avibactam, cefiderocol, imipenem–relebactam, meropenem–vaborbactam, ceftaroline, ceftobiprole, dalbavancin, and fosfomycin), providing a practical approach in guiding dose optimization in this special population.
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45
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Gatti M, Pea F. Pharmacokinetic/pharmacodynamic target attainment in critically ill renal patients on antimicrobial usage: focus on novel beta-lactams and beta lactams/beta-lactamase inhibitors. Expert Rev Clin Pharmacol 2021; 14:583-599. [PMID: 33687300 DOI: 10.1080/17512433.2021.1901574] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
INTRODUCTION Several novel beta-lactams (BLs) and/or beta lactams/beta-lactamase inhibitors (BL/BLIs) have been recently developed for the management of multidrug-resistant bacterial infections. Data concerning dose optimization in critically ill patients with altered renal function are scanty. AREAS COVERED This article provides a critical reappraisal of pharmacokinetic and clinical issues emerged with novel BLs and/or BL/BLIs in renal critically ill patients. Clinical and pharmacokinetic studies published in English until December 2020 were searched on the PubMed-MEDLINE database. EXPERT OPINION Several issues emerged with the use of novel BLs and/or BL/BLIs in critically ill renal patients. Suboptimal clinical response rate with ceftazidime-avibactam and ceftolozane-tazobactam was reported in phase II-III trials in patients with moderate kidney injury; data on patients undergoing renal replacement therapy are limited to some case reports; dose adjustment in augmented renal clearance is provided only for cefiderocol. Implementation of altered dosing strategies (prolonged infusion and/or higher dosage) coupled with adaptive real-time therapeutic drug monitoring could represent the most effective approach in warranting optimal pharmacokinetic/pharmacodynamic targets with novel BLs and/or BL/BLIs in challenging scenarios, thus minimizing the risk of clinical failure and/or of resistance selection.
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Affiliation(s)
- Milo Gatti
- Department of Medical and Surgical Sciences, Alma Mater Studiorum, University of Bologna, Bologna, Italy.,SSD Clinical Pharmacology, University Hospital IRCCS Policlinico Sant'Orsola, Bologna, Italy
| | - Federico Pea
- Department of Medical and Surgical Sciences, Alma Mater Studiorum, University of Bologna, Bologna, Italy.,SSD Clinical Pharmacology, University Hospital IRCCS Policlinico Sant'Orsola, Bologna, Italy
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El-Haffaf I, Caissy JA, Marsot A. Piperacillin-Tazobactam in Intensive Care Units: A Review of Population Pharmacokinetic Analyses. Clin Pharmacokinet 2021; 60:855-875. [PMID: 33876381 DOI: 10.1007/s40262-021-01013-1] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/06/2021] [Indexed: 12/15/2022]
Abstract
Piperacillin-tazobactam is a potent β-lactam/β-lactamase inhibitor antibiotic commonly prescribed in the intensive care unit setting. Admitted patients often show large variability in treatment response due to multiple pathophysiological changes present in this population that alter the drug's pharmacokinetics. This review summarizes the population pharmacokinetic models developed for piperacillin-tazobactam and provides comprehensive data on current dosing strategies while identifying significant covariates in critically ill patients. A literature search on the PubMed database was conducted, from its inception to July 2020. Relevant articles were retained if they met the defined inclusion/exclusion criteria. A total of ten studies, published between 2009 and 2020, were eligible. One- and two-compartment models were used in two and eight studies, respectively. The lowest estimated piperacillin clearance value was 3.12 L/h, and the highest value was 19.9 L/h. The estimations for volume of distribution varied between 11.2 and 41.2 L. Tazobactam clearance values ranged between 5.1 and 6.78 L/h, and tazobactam volume of distribution values ranged between 17.5 and 76.1 L. The most frequent covariates were creatinine clearance and body weight, each present in four studies. Almost all studies used an exponential approach for the interindividual variability. The highest variability was observed in piperacillin central volume of distribution, at a value of 75.0%. Simulations showed that continuous or extended infusion methods performed better than intermittent administration to achieve appropriate pharmacodynamic targets. This review synthesizes important pharmacokinetic elements for piperacillin-tazobactam in an intensive care unit setting. This will help clinicians better understand changes in the drug's pharmacokinetic parameters in this specific population.
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Affiliation(s)
- Ibrahim El-Haffaf
- Faculty of Pharmacy, Université de Montréal, Pavillon Jean-Coutu, 2940 Chemin de Polytechnique, Montreal, QC, H3T 1J4, Canada. .,Laboratoire de Suivi Thérapeutique Pharmacologique et Pharmacocinétique, Faculty of Pharmacy, Université de Montréal, Montreal, QC, Canada.
| | - Jean-Alexandre Caissy
- Faculty of Pharmacy, Université de Montréal, Pavillon Jean-Coutu, 2940 Chemin de Polytechnique, Montreal, QC, H3T 1J4, Canada.,Laboratoire de Suivi Thérapeutique Pharmacologique et Pharmacocinétique, Faculty of Pharmacy, Université de Montréal, Montreal, QC, Canada
| | - Amélie Marsot
- Faculty of Pharmacy, Université de Montréal, Pavillon Jean-Coutu, 2940 Chemin de Polytechnique, Montreal, QC, H3T 1J4, Canada.,Laboratoire de Suivi Thérapeutique Pharmacologique et Pharmacocinétique, Faculty of Pharmacy, Université de Montréal, Montreal, QC, Canada.,Centre de recherche, CHU Sainte-Justine, Montréal, QC, Canada
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Kalaria S, Williford S, Guo D, Shu Y, Medlin C, Li M, Yeung SYA, Ali F, Jean W, Gopalakrishnan M, Heavner M. Optimizing ceftaroline dosing in critically ill patients undergoing continuous renal replacement therapy. Pharmacotherapy 2021; 41:205-211. [PMID: 33438291 DOI: 10.1002/phar.2502] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Revised: 12/16/2020] [Accepted: 12/21/2020] [Indexed: 01/08/2023]
Abstract
BACKGROUND AND OBJECTIVES Currently, no dosing information exists for ceftaroline fosamil in patients undergoing continuous renal replacement therapy (CRRT). The objectives of this study are to characterize the pharmacokinetics of ceftaroline in critically ill patients undergoing CRRT modalities and to derive individualized dosing recommendations. METHODS This pharmacokinetic study aimed to enroll critically ill patients receiving ceftaroline fosamil and any CRRT modality from adult intensive care units. Selection of the specific CRRT modality and dosing regimen was based on clinical discretion. Pre-filter, post-filter, and ultrafiltrate samples were obtained before the administration of the fourth dose, after the completion of the infusion, and up to five additional time points post-infusion. Plasma concentrations were measured using a validated ultra-high performance liquid chromatography assay. Individual pharmacokinetic parameters were calculated using non-compartmental analysis. RESULTS Four patients were enrolled to investigate the need for dosing adjustments. The average sieving coefficient for ceftaroline was 0.81 ± 0.1, indicating high filter efficiency. The average volume of distribution was 41.8 L (0.48 L/kg) and is within the previously reported range in patients with normal renal function. Non-renal clearance accounted for more than 50% of the total clearance observed in patients. The observed pharmacokinetic profiles suggest that the pharmacodynamic target for 2-log10 CFU reduction from baseline (%fT >1 mg/L of 50%) was met for each patient. Due to the impact of CRRT and non-renal clearance, dosing recommendations were derived for different ranges of effluent flow rates and adjusted body weights. For a patient with an adjusted body weight of 70 kg and receiving CRRT at an effluent flow rate of 3 L/h, a ceftaroline fosamil dosing regimen of 400 mg every 12 h is proposed. CONCLUSION Ceftaroline is cleared extensively in critically ill patients receiving CRRT and may impact pharmacodynamic target achievement. Dose adjustments should be based on the intensity of the CRRT regimen, patient weight, and the clinical status of the patient.
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Affiliation(s)
- Shamir Kalaria
- Center for Translational Medicine, School of Pharmacy, University of Maryland, Baltimore, Maryland, USA
- Department of Pharmacy Services, University of Maryland Medical Center, Baltimore, Maryland, USA
| | - Sarah Williford
- Department of Pharmacy Services, University of Maryland Medical Center, Baltimore, Maryland, USA
| | - Dong Guo
- Department of Pharmaceutical Sciences, School of Pharmacy, University of Maryland, Baltimore, Maryland, USA
| | - Yan Shu
- Department of Pharmaceutical Sciences, School of Pharmacy, University of Maryland, Baltimore, Maryland, USA
| | - Christopher Medlin
- Department of Pharmacy Practice and Science, School of Pharmacy, University of Maryland, Baltimore, Maryland, USA
| | - Matthew Li
- Department of Pharmacy Practice and Science, School of Pharmacy, University of Maryland, Baltimore, Maryland, USA
| | - Siu Yan Amy Yeung
- Department of Pharmacy Services, University of Maryland Medical Center, Baltimore, Maryland, USA
| | - Farhan Ali
- Department of Medicine, School of Medicine, University of Maryland, Baltimore, Maryland, USA
| | - Wisna Jean
- Department of Medicine, School of Medicine, University of Maryland, Baltimore, Maryland, USA
| | - Mathangi Gopalakrishnan
- Center for Translational Medicine, School of Pharmacy, University of Maryland, Baltimore, Maryland, USA
| | - Mojdeh Heavner
- Department of Pharmacy Practice and Science, School of Pharmacy, University of Maryland, Baltimore, Maryland, USA
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Neyra JA, Yessayan L, Thompson Bastin ML, Wille KM, Tolwani AJ. How To Prescribe And Troubleshoot Continuous Renal Replacement Therapy: A Case-Based Review. KIDNEY360 2020; 2:371-384. [PMID: 35373031 PMCID: PMC8741005 DOI: 10.34067/kid.0004912020] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Accepted: 12/14/2020] [Indexed: 02/07/2023]
Abstract
Continuous RRT (CRRT) is the preferred dialysis modality for solute management, acid-base stability, and volume control in patients who are critically ill with AKI in the intensive care unit (ICU). CRRT offers multiple advantages over conventional hemodialysis in the critically ill population, such as greater hemodynamic stability, better fluid management, greater solute control, lower bleeding risk, and a more continuous (physiologic) approach of kidney support. Despite its frequent use, several aspects of CRRT delivery are still not fully standardized, or do not have solid evidence-based foundations. In this study, we provide a case-based review and recommendations of common scenarios and interventions encountered during the provision of CRRT to patients who are critically ill. Specific focus is on initial prescription, CRRT dosing, and adjustments related to severe hyponatremia management, concomitant extracorporeal membrane oxygenation support, dialysis catheter placement, use of regional citrate anticoagulation, and antibiotic dosing. This case-driven simulation is made as the clinical status of the patient evolves, and is on the basis of step-wise decisions made during the care of this patient, according to the specific patient's needs and the logistics available at the corresponding institution.
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Affiliation(s)
- Javier A. Neyra
- Division of Nephrology, Bone and Mineral Metabolism, Department of Internal Medicine, University of Kentucky, Lexington, Kentucky
| | - Lenar Yessayan
- Division of Nephrology, Department of Medicine, University of Michigan, Ann Arbor, Michigan
| | - Melissa L. Thompson Bastin
- Department of Pharmacy Practice and Science, University of Kentucky College of Pharmacy, Lexington, Kentucky
| | - Keith M Wille
- Division of Pulmonary, Allergy and Critical Care Medicine, Department of Internal Medicine, University of Alabama at Birmingham, Birmingham, Alabama
| | - Ashita J Tolwani
- Division of Nephrology, Department of Internal Medicine, University of Alabama at Birmingham, Birmingham, Alabama
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Yessayan LT, Heung M, Girard FA, Shaikhouni S, Szamosfalvi B. Deployment of a New CRRT/PIRRT Device during the COVID-19 Pandemic Emergency: Organizational Challenges and Implementation Results. Blood Purif 2020; 50:390-398. [PMID: 33171460 DOI: 10.1159/000511726] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Accepted: 09/19/2020] [Indexed: 11/19/2022]
Abstract
INTRODUCTION The coronavirus disease 2019 (COVID-19) pandemic led to increased demand nationwide for dialysis equipment, including supplies and machines. To meet the demand in our institution, our surge plan included rapid mobilization of a novel continuous renal replacement treatment (CRRT) machine named SAMI. The SAMI is a push-pull filtration enhanced dialysis machine that can conjugate extremely high single-pass solute removal efficiency with very precise fluid balance control. MATERIAL AND METHODS Machine assembly was conducted on-site by local biomedical engineers with remote assistance by the vendor. One 3-h virtual training session of 3 dialysis nurses was conducted before SAMI deployment. The SAMI was deployed in prolonged intermittent replacement therapy (PIRRT) mode to maximize patients covered per machine per day. Live on-demand vendor support was provided to troubleshoot any issues for the first few cases. After 4 weeks of the SAMI implementation, data on treatments with the SAMI were collected, and a questionnaire was provided to the nurse trainees to assess device usability. RESULTS On-site installation of the SAMI was accomplished with remote assistance. Delivery of remote training was successfully achieved. 23 PIRRT treatments were conducted in 10 patients. 7/10 of patients had CO-VID-19. The median PIRRT dose was 50 mL/kg/h (IQR [interquartile range] 44 - 62 mL/kg/h), and duration of the treatment was 8 h (IQR 6.3 - 8 h). Solute control was adequate. The user response was favorable to the set of usability questions involving user interface, on-screen instructions, machine setup, troubleshooting, and the ease of moving the machine. CONCLUSION Assembly of the SAMI and training of nurses remotely are possible when access to vendor employees is restricted during states of emergency. The successful deployment of the SAMI in our institution during the pandemic with only 3-h virtual training supports that operating the SAMI is simple and safe.
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Affiliation(s)
- Lenar T Yessayan
- Division of Nephrology, Department of Medicine, University of Michigan, Ann Arbor, Michigan, USA,
| | - Michael Heung
- Division of Nephrology, Department of Medicine, University of Michigan, Ann Arbor, Michigan, USA
| | - Francine A Girard
- Division of Nephrology, Department of Medicine, University of Michigan, Ann Arbor, Michigan, USA
| | - Salma Shaikhouni
- Division of Nephrology, Department of Medicine, University of Michigan, Ann Arbor, Michigan, USA
| | - Balazs Szamosfalvi
- Division of Nephrology, Department of Medicine, University of Michigan, Ann Arbor, Michigan, USA
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Adsorption of vancomycin, gentamycin, ciprofloxacin and tygecycline on the filters in continuous renal replacement therapy circuits: in full blood in vitro study. J Artif Organs 2020; 24:65-73. [PMID: 33033945 PMCID: PMC7889537 DOI: 10.1007/s10047-020-01214-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2020] [Accepted: 09/22/2020] [Indexed: 11/30/2022]
Abstract
The aim of this study was to assess the in vitro adsorption of antibiotics: vancomycin, gentamicin, ciprofloxacin and tigecycline on both polyethyleneimine-treated polyacrylonitrile membrane of AN69ST filter and polysulfone membrane of AV1000 filter using porcine blood as a model close to in vivo conditions. The porcine blood with antibiotic dissolved in it was pumped into hemofiltration circuit (with AN69ST or AV1000 filter), ultrafiltration fluid was continuously returned to the reservoir containing blood with antibiotic. Blood samples to determine antibiotic concentrations were taken at minutes 0, 5, 15, 30, 45, 60, 90 and 120 from the pre- blood pump of the hemofiltration circuit. To assess possible spontaneous degradation of the drug in the solution there was an additional reservoir prepared for each antibiotic, containing blood with the drug, which was not connected to the circuit. In the case of vancomycin, ciprofloxacine and tigecycline, a statistically significant decrease in the drug concentration in the hemofiltration circuit in comparison to initial value as well as to the concentrations in the control blood was observed, both for polyacrylonitrile and plolysulfone membrane. In the case of gentamicin, significant adsorption was noted only on polyacrylonitrile membrane. Our studies demonstrated that in full blood adsorption of antibiotics may be big enough to be of clinical significance. In particular in the case of polyacrylonitrile membrane.
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