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Lin CC, Wu JY, Huang PY, Sung HL, Tung YC, Lai CC, Wei YF, Fu PK. Comparing prolonged infusion to intermittent infusion strategies for beta-lactam antibiotics in patients with gram-negative bacterial infections: a systematic review and meta-analysis. Expert Rev Anti Infect Ther 2024:1-11. [PMID: 38441052 DOI: 10.1080/14787210.2024.2324940] [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: 12/30/2023] [Accepted: 02/20/2024] [Indexed: 03/06/2024]
Abstract
INTRODUCTION Our objective is to determine whether prolonged infusion (PI) of beta-lactam antibiotics yields superior outcomes compared to intermittent infusion (II) in patients with Gram-Negative Bacterial (GNB) infections. METHODS We systematically searched papers from PubMed, the Cochrane Library, Embase, and Clinicaltrials.gov, targeting mortality as the primary outcome and looking at the clinical cure rate, hospital and intensive care unit (ICU) stay lengths, antibiotic treatment duration, and mechanical ventilation (MV) duration as secondary outcomes. RESULTS Our meta-analysis of 18 studies, including 5 randomized control trials and 13 observational studies, with a total of 3,035 patients-1,510 in the PI group and 1,525 in the II group, revealed significant findings. PI was associated with reduced mortality (RR, 0.67; 95% CI, 0.55-0.81; p = 0.001; I2 = 4.52%) and a shorter MV duration (SMD, -0.76; 95% CI, -1.37 to -0.16; p = 0.01; I2 = 87.81%) compared to II. However, no differences were found in clinical cure rates, antibiotic treatment duration, length of hospital stay, or length of ICU stay. CONCLUSIONS The PI approach for administering beta-lactam antibiotics in patients with suspected or confirmed GNB infections may be advantageous in reducing mortality rates and the duration of MV when compared to the II strategy.
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Affiliation(s)
- Chih-Chung Lin
- Department of Pharmacy, Taichung Veteran General Hospital Puli Branch, Nantou, Taiwan
| | - Jheng-Yen Wu
- Department of Nutrition, Chi Mei Medical Center, Tainan, Taiwan
| | - Po-Yu Huang
- Department of Internal Medicine, Chi Mei Medical Center, Tainan, Taiwan
| | - Hui-Lin Sung
- Department of Pharmacy, Taichung Veteran General Hospital Puli Branch, Nantou, Taiwan
| | - Yu-Chun Tung
- Department of Pharmacy, Taichung Veteran General Hospital Puli Branch, Nantou, Taiwan
| | - Chih-Cheng Lai
- Division of Hospital Medicine, Department of Internal Medicine, Chi Mei Medical Center, Tainan, Taiwan
| | - Yu-Feng Wei
- Department of Internal Medicine, E-Da Cancer Hospital, I-Shou University, Kaohsiung, Taiwan
- School of Medicine for International Students, College of Medicine, I-Shou University, Kaohsiung, Taiwan
| | - Pin-Kuei Fu
- Division of Clinical Research, Department of Medical Research, Taichung Veterans General Hospital, Taichung, Taiwan
- College of Medicine, National Chung Hsing University, Taichung, Taiwan
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Stemkens R, Cobussen M, de Laat E, Hoefsloot W, van Crevel R, Aarnoutse RE, van Ingen J. Successful addition of topical antibiotic treatment after surgery in treatment-refractory nontuberculous mycobacterial skin and soft tissue infections. Antimicrob Agents Chemother 2023; 67:e0078823. [PMID: 38014946 PMCID: PMC10720519 DOI: 10.1128/aac.00788-23] [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: 06/18/2023] [Accepted: 08/10/2023] [Indexed: 11/29/2023] Open
Abstract
Treatment of skin and soft tissue infections with nontuberculous mycobacteria sometimes fails despite repeated debridements and long-term systemic antibiotic therapy. These treatment-refractory infections can cause significant morbidity and pose a treatment challenge. Following surgery, we treated three patients with negative pressure wound therapy with the instillation and dwell time of topical antibiotics, in addition to systemic antibiotic treatment. Treatment was successful and well tolerated, except for some local irritation.
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Affiliation(s)
- Ralf Stemkens
- Department of Pharmacy, Research Institute for Medical Innovation, Radboud University Medical Center, Nijmegen, the Netherlands
| | - Maarten Cobussen
- Department of Internal Medicine and Infectious Diseases, Research Institute for Medical Innovation, Radboud University Medical Center, Nijmegen, the Netherlands
| | - Erik de Laat
- Department of Plastic Surgery, Research Institute for Medical Innovation, Radboud University Medical Center, Nijmegen, the Netherlands
| | - Wouter Hoefsloot
- Department of Pulmonary Diseases, Research Institute for Medical Innovation, Radboud University Medical Center, Nijmegen, the Netherlands
| | - Reinout van Crevel
- Department of Internal Medicine and Infectious Diseases, Research Institute for Medical Innovation, Radboud University Medical Center, Nijmegen, the Netherlands
| | - Rob E. Aarnoutse
- Department of Pharmacy, Research Institute for Medical Innovation, Radboud University Medical Center, Nijmegen, the Netherlands
| | - Jakko van Ingen
- Department of Medical Microbiology, Radboud University Medical Center, Nijmegen, the Netherlands
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Joynt GM, Ling L, Wong WT, Lipman J. Therapeutic drug monitoring of carbapenem antibiotics in critically ill patients: an overview of principles, recommended dosing regimens, and clinical outcomes. Expert Rev Clin Pharmacol 2023; 16:703-714. [PMID: 36942827 DOI: 10.1080/17512433.2023.2194629] [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: 11/28/2022] [Accepted: 03/20/2023] [Indexed: 03/23/2023]
Abstract
INTRODUCTION The importance of antibiotic treatment for sepsis in critically ill septic patients is well established. Consistently achieving the dose of antibiotics required to optimally kill bacteria, minimize the development of resistance, and avoid toxicity is challenging. The increasing understanding of the pharmacokinetic and pharmacodynamic (PK/PD) characteristics of antibiotics, and the effects of critical illness on key PK/PD parameters, is gradually re-shaping how antibiotics are dosed in critically ill patients. AREAS COVERED The PK/PD characteristics of commonly used carbapenem antibiotics, the principles of the application of therapeutic drug monitoring (TDM), and current as well as future methods of utilizing TDM to optimally devise dosing regimens will be reviewed. The limitations and evidence-base supporting the use of carbapenem TDM to improve outcomes in critically ill patients will be examined. EXPERT OPINION It is important to understand the principles of TDM in order to correctly inform dosing regimens. Although the concept of TDM is attractive, and the ability to utilize PK software to optimize dosing in the near future is expected to rapidly increase clinicians' ability to meet pre-defined PK/PD targets more accurately, current evidence provides only limited support for the use of TDM to guide carbapenem dosing in critically ill patients.
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Affiliation(s)
- Gavin Matthew Joynt
- Department of Anaesthesia and Intensive Care, the Chinese University of Hong Kong, Hong Kong SAR, China
| | - Lowell Ling
- Department of Anaesthesia and Intensive Care, the Chinese University of Hong Kong, Hong Kong SAR, China
| | | | - Jeffrey Lipman
- Department of Intensive Care Services, Royal Brisbane and Women's Hospital, Brisbane, Australia
- Division of Anaesthesia Intensive Care, Pain and Emergency Medicine, Nîmes University Hospital, University of Montpellier, Nîmes, France
- University of Queensland Centre for Clinical Research (UQCCR), Faculty of Medicine, The University of Queensland, Brisbane, Australia
- Jamieson Trauma Institute, Royal Brisbane and Women's Hospital, Brisbane, Australia
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Gan Y, Meng X, Lei N, Yu H, Zeng Q, Huang Q. Meropenem Pharmacokinetics and Target Attainment in Critically Ill Patients. Infect Drug Resist 2023; 16:3989-3997. [PMID: 37366501 PMCID: PMC10290838 DOI: 10.2147/idr.s408572] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Accepted: 05/30/2023] [Indexed: 06/28/2023] Open
Abstract
Purpose This study aimed to investigate the pharmacokinetics and target attainment of meropenem and compare the effect of meropenem dosing regimens in critically ill patients. Patients and Methods Thirty-seven critically ill patients who were administered meropenem in intensive care units were analyzed. Patients were classified according to their renal function. Pharmacokinetic parameters were assessed based on Bayesian estimation. The target attainment of 40%fT > MIC (fraction time that the free concentration exceeds the minimum inhibitory concentration) and 100%fT > MIC with the pathogen MIC of 2 mg/L and 8 mg/L were specially focused. Furthermore, the effects of standard dosing (1g meropenem, 30 min intravenous infusion every 8h) and non-standard dosing (dosage regimens except standard dosing) were compared. Results The results showed that the values of meropenem clearance (CL), central volume of distribution (V1), intercompartmental clearance (Q), and peripheral volume of distribution (V2) were 3.3 L/h, 9.2 L, 20.1 L/h and 12.8 L, respectively. The CL of the patients among renal function groups was significantly different (p < 0.001). The tow targets attainment for the pathogen MIC of 2 mg/L and 8 mg/L were 89%, 73%, 49% and 27%, respectively. The severe renal impairment group has higher fraction of target attainment than the other group. The standard dosing achieved the target of 40%fT > 2/8 mg/L (85.7% and 81%, respectively) and patients with severe renal impairment achieved the target fraction of 100% for 40%fT > MIC. Additionally, there was no significant difference between standard and non-standard dosing group in target attainment. Conclusion Our findings indicate that renal function is an important covariate for both meropenem pharmacokinetics parameters and target attainment. The target attainment between standard and non-standard dosing group was not comparable. Therefore, therapeutic drug monitoring is indispensable in the dosing adjustment for critically ill patients if it is available.
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Affiliation(s)
- Yuhong Gan
- Department of Clinical Pharmacy, Meizhou People’s Hospital, Meizhou Academy of Medical Sciences, Meizhou, People’s Republic of China
| | - Xiaobin Meng
- Department of Clinical Pharmacy, Meizhou People’s Hospital, Meizhou Academy of Medical Sciences, Meizhou, People’s Republic of China
| | - Nanfeng Lei
- Department of Clinical Pharmacy, Meizhou People’s Hospital, Meizhou Academy of Medical Sciences, Meizhou, People’s Republic of China
| | - Hong Yu
- Department of Clinical Pharmacy, Meizhou People’s Hospital, Meizhou Academy of Medical Sciences, Meizhou, People’s Republic of China
| | - Qingkao Zeng
- Department of Intensive Care Unit, Meizhou People’s Hospital, Meizhou Academy of Medical Sciences, Meizhou, People’s Republic of China
| | - Qingyan Huang
- Center for Precision Medicine, Meizhou People’s Hospital, Meizhou Academy of Medical Sciences, Meizhou, People’s Republic of China
- Guangdong Provincial Engineering and Technology Research Center for Clinical Molecular Diagnostics and Antibody Therapeutics, Meizhou People’s Hospital, Meizhou Academy of Medical Sciences, Meizhou, People’s Republic of China
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Diamantis S, Chakvetadze C, de Pontfarcy A, Matta M. Optimizing Betalactam Clinical Response by Using a Continuous Infusion: A Comprehensive Review. Antibiotics (Basel) 2023; 12:1052. [PMID: 37370371 DOI: 10.3390/antibiotics12061052] [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: 05/24/2023] [Revised: 06/12/2023] [Accepted: 06/13/2023] [Indexed: 06/29/2023] Open
Abstract
INTRODUCTION Antimicrobial resistance is a major healthcare issue responsible for a large number of deaths. Many reviews identified that PKPD data are in favor of the use of continuous infusion, and we wanted to review clinical data results in order to optimize our clinical practice. METHODOLOGY We reviewed Medline for existing literature comparing continuous or extended infusion to intermittent infusion of betalactams. RESULTS In clinical studies, continuous infusion is as good as intermittent infusion. In the subset group of critically ill patients or those with an infection due to an organism with high MIC, a continuous infusion was associated with better clinical response. CONCLUSIONS Clinical data appear to confirm those of PK/PD to use a continuous infusion in severely ill patients or those infected by an organism with an elevated MIC, as it is associated with higher survival rates. In other cases, it may allow for a decrease in antibiotic daily dosage, thereby contributing to a decrease in overall costs.
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Affiliation(s)
- Sylvain Diamantis
- Infectious Diseases Unit, Groupe Hospitalier Sud Ile de France, 77000 Melun, France
- DYNAMIC Research Unit, Université Paris-Est-Creteil, 94320 Thiais, France
| | | | - Astrid de Pontfarcy
- Infectious Diseases Unit, Groupe Hospitalier Sud Ile de France, 77000 Melun, France
| | - Matta Matta
- Infectious Diseases Unit, Groupe Hospitalier Sud Ile de France, 77000 Melun, France
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Dinh TD, Nguyen HN, Le BH, Nguyen TTT, Nguyen HTL. Population-Based Pharmacokinetics and Dose Optimization of Imipenem in Vietnamese Critically-Ill Patients. Infect Drug Resist 2022; 15:4575-4583. [PMID: 36003989 PMCID: PMC9393097 DOI: 10.2147/idr.s373348] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Accepted: 08/06/2022] [Indexed: 11/25/2022] Open
Abstract
Purpose The purpose of this study was to characterize the population-based pharmacokinetic (POP-PK) profile of imipenem in Vietnamese adult patients and to assess the probability of target attainment (PTA) of the pharmacokinetic/pharmacodynamic (PK/PD) parameter to determine the optimal dose. Patients and Methods A POP-PK model of imipenem was developed in patients with severe infection from a 1500-bed general hospital in Vietnam, using MONOLIX 2019. After the initial dose infusion, 6 blood samples per patient were collected to measure plasma imipenem levels. Eight covariates (eg, age, weight) were investigated to ascertain their influence on imipenem’s PK. Monte Carlo simulations were performed to determine the PTA for the time in which the total steady-state imipenem concentrations remained above the MIC (T>MIC) for 40% and 100% of the dosing interval. Results The best fit to the PK data was a two-compartment model with inter-individual variability (IIV) in clearance (CL), central volume of distribution (Vc), intercompartmental clearance (Q), and peripheral volume of distribution (Vp). Only creatinine clearance was retained as a covariate on CL in the final model. The typical value of CL and Vc were estimated to be 4.79 L/h and 11.1 L, respectively. The between-subject variability in this population was noted to be high (>38%, especially for IIV on Q at 110%). Prolonged or continuous infusion demonstrated efficacy (40% T>MIC) against bacteria with a MIC of 4mg/L. To achieve 100% T>MIC or bacteria with MIC>4 mg/L, however, the number of doses must be increased while maintaining the same daily dose for the 3-hour prolonged infusion regimen. Conclusion A population pharmacokinetic model of imipenem was developed for Vietnamese adult patients with severe illness. By using Monte Carlo simulation, the appropriate dose has been suggested based on the bacterial MIC value and the targeted PK/PD goal.
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Affiliation(s)
- Thanh D Dinh
- Department of Clinical Pharmacy, Hanoi University of Pharmacy, Hanoi, Vietnam.,Phu Tho General Hospital, Việt Trì, Phu Tho Province, Vietnam
| | - Hung N Nguyen
- Department of Clinical Pharmacy, Hanoi University of Pharmacy, Hanoi, Vietnam
| | - Ba Hai Le
- Department of Clinical Pharmacy, Hanoi University of Pharmacy, Hanoi, Vietnam
| | - Thuy T T Nguyen
- Department of Clinical Pharmacy, Hanoi University of Pharmacy, Hanoi, Vietnam
| | - Huong T L Nguyen
- Department of Clinical Pharmacy, Hanoi University of Pharmacy, Hanoi, Vietnam
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