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Fratoni AJ, Gethers ML, Nicolau DP, Kuti JL. Non-KPC Attributes of Newer β-lactam/β-lactamase Inhibitors, Part 1: Enterobacterales and Pseudomonas aeruginosa. Clin Infect Dis 2024; 79:33-42. [PMID: 38306487 DOI: 10.1093/cid/ciae048] [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: 04/17/2023] [Revised: 12/15/2023] [Accepted: 01/30/2024] [Indexed: 02/04/2024] Open
Abstract
Gram-negative antibiotic resistance continues to grow as a global problem due to the evolution and spread of β-lactamases. The early β-lactamase inhibitors (BLIs) are characterized by spectra limited to class A β-lactamases and ineffective against carbapenemases and most extended spectrum β-lactamases. In order to address this therapeutic need, newer BLIs were developed with the goal of treating carbapenemase producing, carbapenem resistant organisms (CRO), specifically targeting the Klebsiella pneumoniae carbapenemase (KPC). These BL/BLI combination drugs, avibactam/avibactam, meropenem/vaborbactam, and imipenem/relebactam, have proven to be indispensable tools in this effort. However, non-KPC mechanisms of resistance are rising in prevalence and increasingly challenging to treat. It is critical for clinicians to understand the unique spectra of these BL/BLIs with respect to non-KPC CRO. In Part 1of this 2-part series, we describe the non-KPC attributes of the newer BL/BLIs with a focus on utility against Enterobacterales and Pseudomonas aeruginosa.
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Affiliation(s)
- Andrew J Fratoni
- Center for Anti-Infective Research and Development, Hartford Hospital, Hartford, Connecticut, USA
| | - Matthew L Gethers
- Center for Anti-Infective Research and Development, Hartford Hospital, Hartford, Connecticut, USA
| | - David P Nicolau
- Center for Anti-Infective Research and Development, Hartford Hospital, Hartford, Connecticut, USA
- Division of Infectious Diseases, Hartford Hospital, Hartford, Connecticut, USA
| | - Joseph L Kuti
- Center for Anti-Infective Research and Development, Hartford Hospital, Hartford, Connecticut, USA
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2
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Keck JM, Viteri A, Schultz J, Fong R, Whitman C, Poush M, Martin M. New Agents Are Coming, and So Is the Resistance. Antibiotics (Basel) 2024; 13:648. [PMID: 39061330 PMCID: PMC11273847 DOI: 10.3390/antibiotics13070648] [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: 06/25/2024] [Revised: 07/10/2024] [Accepted: 07/11/2024] [Indexed: 07/28/2024] Open
Abstract
Antimicrobial resistance is a global threat that requires urgent attention to slow the spread of resistant pathogens. The United States Centers for Disease Control and Prevention (CDC) has emphasized clinician-driven antimicrobial stewardship approaches including the reporting and proper documentation of antimicrobial usage and resistance. Additional efforts have targeted the development of new antimicrobial agents, but narrow profit margins have hindered manufacturers from investing in novel antimicrobials for clinical use and therefore the production of new antibiotics has decreased. In order to combat this, both antimicrobial drug discovery processes and healthcare reimbursement programs must be improved. Without action, this poses a high probability to culminate in a deadly post-antibiotic era. This review will highlight some of the global health challenges faced both today and in the future. Furthermore, the new Infectious Diseases Society of America (IDSA) guidelines for resistant Gram-negative pathogens will be discussed. This includes new antimicrobial agents which have gained or are likely to gain FDA approval. Emphasis will be placed on which human pathogens each of these agents cover, as well as how these new agents could be utilized in clinical practice.
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Affiliation(s)
- J. Myles Keck
- Department of Pharmacy, University of Arkansas for Medical Sciences, Little Rock, AR 72205, USA
| | - Alina Viteri
- Department of Pharmacy, University of Arkansas for Medical Sciences, Little Rock, AR 72205, USA
| | | | - Rebecca Fong
- Department of Pharmacy, Central Arkansas Veterans Healthcare System, Little Rock, AR 72205, USA
| | - Charles Whitman
- Department of Pharmacy, Central Arkansas Veterans Healthcare System, Little Rock, AR 72205, USA
| | - Madeline Poush
- Department of Pharmacy, University of Arkansas for Medical Sciences, Little Rock, AR 72205, USA
| | - Marlee Martin
- Department of Pharmacy, University of Arkansas for Medical Sciences, Little Rock, AR 72205, USA
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Freire MP, Pouch S, Manesh A, Giannella M. Burden and Management of Multi-Drug Resistant Organism Infections in Solid Organ Transplant Recipients Across the World: A Narrative Review. Transpl Int 2024; 37:12469. [PMID: 38952482 PMCID: PMC11215024 DOI: 10.3389/ti.2024.12469] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2023] [Accepted: 05/07/2024] [Indexed: 07/03/2024]
Abstract
Solid organ transplant (SOT) recipients are particularly susceptible to infections caused by multidrug-resistant organisms (MDRO) and are often the first to be affected by an emerging resistant pathogen. Unfortunately, their prevalence and impact on morbidity and mortality according to the type of graft is not systematically reported from high-as well as from low and middle-income countries (HIC and LMIC). Thus, epidemiology on MDRO in SOT recipients could be subjected to reporting bias. In addition, screening practices and diagnostic resources may vary between countries, as well as the availability of new drugs. In this review, we aimed to depict the burden of main Gram-negative MDRO in SOT patients across HIC and LMIC and to provide an overview of current diagnostic and therapeutic resources.
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Affiliation(s)
- Maristela Pinheiro Freire
- Department of Infectious Diseases, Hospital das Clínicas, University of Sao Paulo School of Medicine, Sao Paulo, Brazil
| | - Stephanie Pouch
- Transplant Infectious Diseases, Emory University School of Medicine, Atlanta, GA, United States
| | - Abi Manesh
- Department of Infectious Diseases, Christian Medical College, Vellore, India
| | - Maddalena Giannella
- Department of Medical and Surgical Sciences, University of Bologna, Bologna, Italy
- Infectious Diseases Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
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4
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Falcone M, Giordano C, Leonildi A, Galfo V, Lepore A, Suardi LR, Riccardi N, Barnini S, Tiseo G. Clinical Features and Outcomes of Infections Caused by Metallo-β-Lactamase-Producing Enterobacterales: A 3-Year Prospective Study From an Endemic Area. Clin Infect Dis 2024; 78:1111-1119. [PMID: 38036465 DOI: 10.1093/cid/ciad725] [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: 09/02/2023] [Revised: 11/14/2023] [Accepted: 11/27/2023] [Indexed: 12/02/2023] Open
Abstract
BACKGROUND Metallo-β-lactamase (MBL)-producing Enterobacterales are increasing worldwide. Our aim was to describe clinical features, treatments, and outcomes of infections by MBL-Enterobacterales. METHODS A prospective observational study conducted in the Pisa University Hospital (January 2019 to October 2022) included patients with MBL-producing Enterobacterales infections. The primary outcome measure was the 30-day mortality rate. Multivariable Cox regression analysis was performed to identify factors associated with that mortality rate, and adjusted hazard ratios (aHRs) and 95% confidence intervals (CIs) were calculated. RESULTS The study's 343 patients included 15 with Verona integron-encoded MBL (VIM)- and 328 with New Delhi MBL (NDM)-producing Enterobacterales infections; there were 199 patients (58%) with bloodstream infections, 60 (17.5%) with hospital-acquired or ventilator-associated pneumonia, 60 (17.5%) with complicated urinary tract infections, 13 (3.8%) with intra-abdominal infections, and 11 (3.2%) with skin and soft-tissue infections. The 30-day mortality rate was 29.7%. Of 343 patients, 32 did not receive in vitro active antibiotic therapy, 215 (62.7%) received ceftazidime-avibactam plus aztreonam, 33 (9.6%) received cefiderocol-containing regimens, 26 (7.6%) received colistin-containing regimens, and 37 (10.8%) received other active antibiotics. On multivariable analysis, septic shock (aHR, 3.57 [95% CI, 2.05-6.23]; P < .001) and age (1.05 [1.03-1.08]; P < .001) were independently associated with the 30-day mortality rate, while in vitro active antibiotic therapy within 48 hours after infection (0.48 [.26-.8]; P = .007) and source control (0.43 [.26-.72]; P = .001) were protective factors. Sensitivity analysis showed that ceftazidime-avibactam plus aztreonam, compared with colistin, was independently associated with a reduced 30-day mortality rate (aHR, 0.39 [95% CI, .18-.86]; P = .02). Propensity score analyses confirmed these findings. CONCLUSIONS MBL-producing carbapenem-resistant Enterobacterales infections are associated with high 30-day mortality rates. Patients with MBL-producing Enterobacterales infections should receive early active antibiotic therapy.
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Affiliation(s)
- Marco Falcone
- Infectious Diseases Unit, Department of Clinical and Experimental Medicine, Azienda Ospedaliero Universitaria Pisana, University of Pisa, Pisa, Italy
| | - Cesira Giordano
- Microbiology Unit, Azienda Ospedaliero Universitaria Pisana, Pisa, Italy
| | | | - Valentina Galfo
- Infectious Diseases Unit, Department of Clinical and Experimental Medicine, Azienda Ospedaliero Universitaria Pisana, University of Pisa, Pisa, Italy
| | - Aurelio Lepore
- Infectious Diseases Unit, Department of Clinical and Experimental Medicine, Azienda Ospedaliero Universitaria Pisana, University of Pisa, Pisa, Italy
| | - Lorenzo Roberto Suardi
- Infectious Diseases Unit, Department of Clinical and Experimental Medicine, Azienda Ospedaliero Universitaria Pisana, University of Pisa, Pisa, Italy
| | - Niccolò Riccardi
- Infectious Diseases Unit, Department of Clinical and Experimental Medicine, Azienda Ospedaliero Universitaria Pisana, University of Pisa, Pisa, Italy
| | - Simona Barnini
- Microbiology Unit, Azienda Ospedaliero Universitaria Pisana, Pisa, Italy
| | - Giusy Tiseo
- Infectious Diseases Unit, Department of Clinical and Experimental Medicine, Azienda Ospedaliero Universitaria Pisana, University of Pisa, Pisa, Italy
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Vega AD, DeRonde K, Jimenez A, Piazza M, Vu C, Martinez O, Rojas LJ, Marshall S, Yasmin M, Bonomo RA, Abbo LM. Difficult-to-treat (DTR) Pseudomonas aeruginosa harboring Verona-Integron metallo-β-lactamase ( blaVIM): infection management and molecular analysis. Antimicrob Agents Chemother 2024; 68:e0147423. [PMID: 38602418 PMCID: PMC11064525 DOI: 10.1128/aac.01474-23] [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: 11/08/2023] [Accepted: 03/11/2024] [Indexed: 04/12/2024] Open
Abstract
Pseudomonas aeruginosa harboring Verona Integron-encoded metallo-β-lactamase enzymes (VIM-CRPA) have been associated with infection outbreaks in several parts of the world. In the US, however, VIM-CRPA remain rare. Starting in December 2018, we identified a cluster of cases in our institution. Herein, we present our epidemiological investigation and strategies to control/manage these challenging infections. This study was conducted in a large academic healthcare system in Miami, FL, between December 2018 and January 2022. Patients were prospectively identified via rapid molecular diagnostics when cultures revealed carbapenem-resistant P. aeruginosa. Alerts were received in real time by the antimicrobial stewardship program and infection prevention teams. Upon alert recognition, a series of interventions were performed as a coordinated effort. A retrospective chart review was conducted to collect patient demographics, antimicrobial therapy, and clinical outcomes. Thirty-nine VIM-CRPA isolates led to infection in 21 patients. The majority were male (76.2%); the median age was 52 years. The majority were mechanically ventilated (n = 15/21; 71.4%); 47.6% (n = 10/21) received renal replacement therapy at the time of index culture. Respiratory (n = 20/39; 51.3%) or bloodstream (n = 13/39; 33.3%) were the most common sources. Most infections (n = 23/37; 62.2%) were treated with an aztreonam-avibactam regimen. Six patients (28.6%) expired within 30 days of index VIM-CRPA infection. Fourteen isolates were selected for whole genome sequencing. Most of them belonged to ST111 (12/14), and they all carried blaVIM-2 chromosomally. This report describes the clinical experience treating serious VIM-CRPA infections with either aztreonam-ceftazidime/avibactam or cefiderocol in combination with other agents. The importance of implementing infection prevention strategies to curb VIM-CRPA outbreaks is also demonstrated.
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Affiliation(s)
- Ana D. Vega
- Department of Pharmacy, Jackson Health System, Miami, Florida, USA
| | - Kailynn DeRonde
- Department of Pharmacy, Jackson Health System, Miami, Florida, USA
| | - Adriana Jimenez
- Department of Pharmacy, Jackson Health System, Miami, Florida, USA
- Department of Epidemiology, Florida International University, Miami, Florida, USA
| | - Michael Piazza
- Department of Medicine, Virtua Medical Group, Medford, New Jersey, USA
| | - Christine Vu
- Department of Pharmacy, Jackson Health System, Miami, Florida, USA
| | - Octavio Martinez
- Department of Pharmacy, Jackson Health System, Miami, Florida, USA
- Department of Medicine, University of Miami Miller School of Medicine, Miami, Florida, USA
| | - Laura J. Rojas
- Department of Molecular Biology and Microbiology, Case Western Reserve University School of Medicine, Cleveland, Ohio, USA
- CWRU-Cleveland VAMC Center for Antimicrobial Resistance and Epidemiology (Case VA CARES), Cleveland, Ohio, USA
| | - Steven Marshall
- Department of Medicine, Louis Stokes Cleveland Department of Veterans Affairs Medical Center, Cleveland, Ohio, USA
| | - Mohamad Yasmin
- Department of Medicine, Louis Stokes Cleveland Department of Veterans Affairs Medical Center, Cleveland, Ohio, USA
| | - Robert A. Bonomo
- Department of Molecular Biology and Microbiology, Case Western Reserve University School of Medicine, Cleveland, Ohio, USA
- CWRU-Cleveland VAMC Center for Antimicrobial Resistance and Epidemiology (Case VA CARES), Cleveland, Ohio, USA
- Department of Medicine, Louis Stokes Cleveland Department of Veterans Affairs Medical Center, Cleveland, Ohio, USA
- Departments of Proteomics, Case Western Reserve University School of Medicine, Cleveland, Ohio, USA
- Department of Pharmacology, Case Western Reserve University School of Medicine, Cleveland, Ohio, USA
- Department of Biochemistry, Case Western Reserve University School of Medicine, Cleveland, Ohio, USA
| | - Lilian M. Abbo
- Department of Pharmacy, Jackson Health System, Miami, Florida, USA
- Department of Medicine, University of Miami Miller School of Medicine, Miami, Florida, USA
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Gupta N, Boodman C, Prayag P, Manesh A, Kumar TP. Ceftazidime-avibactam and aztreonam combination for Carbapenem-resistant Enterobacterales bloodstream infections with presumed Metallo-β-lactamase production: a systematic review and meta-analysis. Expert Rev Anti Infect Ther 2024; 22:203-209. [PMID: 38258529 DOI: 10.1080/14787210.2024.2307912] [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: 09/08/2023] [Accepted: 01/17/2024] [Indexed: 01/24/2024]
Abstract
INTRODUCTION Carbapenem-resistant Enterobacterales (CRE) due to Metallo-β-lactamase (MBL) production are treated with either polymyxins or the novel combination of ceftazidime-avibactam and aztreonam (AA). This study aims to evaluate the 30-day mortality of AA in patients with BSI caused by MBL-CRE infections. METHODOLOGY In this systematic review and meta-analysis, all articles up to June 2023 were screened using search terms like 'CRE', 'MBL', 'AA' and 'polymyxins'. The risk ratio for AA vs polymyxins was pooled using a random-effect model, and the results were represented by a point estimate with a 95% confidence interval. RESULTS After removing the duplicates, the titles and abstracts of 455 articles were screened, followed by a full-text screening of 50 articles. A total of 24 articles were included for systematic review, and four comparative studies were included in the meta-analysis. All four studies had a moderate or serious risk of bias. The pooled risk ratio for 30-day mortality for AA vs. polymyxins was 0.51 (95%CI: 0.34-0.76), p < 0.001. There was no significant heterogeneity. CONCLUSION The meta-analysis from studies with a high risk of bias shows that AA is associated with lesser 30-day mortality when compared to polymyxins in patients with MBL-producing CRE BSI. Registration with PROSPERO- CRD42023433608.
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Affiliation(s)
- Nitin Gupta
- Department of Infectious Disease, Kasturba Medical College, Manipal, Manipal Academy of Higher Education, Manipal, India
| | - Carl Boodman
- Department of Clinical Sciences, Institute of Tropical Medicine, Antwerp, Belgium
- Division of Infectious Disease, Department of Internal Medicine, University of Manitoba, Winnipeg, Manitoba, Canada
| | - Parikshit Prayag
- Department of Infectious Diseases, Deenanath Mangeshkar Hospital, Pune, India
| | - Abi Manesh
- Department of Infectious Diseases, Christian Medical College, Vellore, India
| | - Tirlangi Praveen Kumar
- Department of Infectious Disease, Kasturba Medical College, Manipal, Manipal Academy of Higher Education, Manipal, India
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7
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Mackow NA, van Duin D. Reviewing novel treatment options for carbapenem-resistant Enterobacterales. Expert Rev Anti Infect Ther 2024; 22:71-85. [PMID: 38183224 DOI: 10.1080/14787210.2024.2303028] [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: 08/02/2023] [Accepted: 01/04/2024] [Indexed: 01/07/2024]
Abstract
INTRODUCTION Carbapenem resistant Enterobacterales (CRE) are a major threat to global health and hospital-onset CRE infections have risen during the COVID-19 pandemic. Novel antimicrobials are now available for the treatment of CRE infections. There remains an urgent need for new antimicrobials for CRE, especially for those producing metallo-β-lactamases. AREAS COVERED This article discusses previously published research supporting currently available novel antimicrobials for the treatment of CRE infections. Newer compounds currently being evaluated in clinical trials are covered. A literature search was conducted in PubMed over all available dates for relevant published papers and conference abstracts with the search terms, 'CRE,' 'carbapenem-resistant Enterobacterales,' 'β-lactam-β-lactamase inhibitor,' 'KPC,' 'NDM,' 'metallo-β-lactamase,' 'ceftazidime-avibactam,' 'meropenem-vaborbactam,' 'imipenem-cilastatin-relebactam,' 'cefiderocol,' 'eravacycline,' 'plazomicin,' 'taniborbactam,' 'zidebactam,' and 'nacubactam.' EXPERT OPINION Novel antimicrobials for CRE infections have been developed, most notably the β-lactam-β-lactamase inhibitor combinations, though treatment options for infections with metallo-β-lactamase producing Enterobacterales remain few and have limitations. Development of antibiotics with activity against metallo-β-lactamase producing Enterobacterales is eagerly awaited, and there are promising new compounds in clinical trials. Finally, more clinical research is needed to optimize and individualize treatment approaches, which will help guide antimicrobial stewardship initiatives aimed at reducing the spread of CRE and development of further resistance.
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Affiliation(s)
- Natalie A Mackow
- Division of Infectious Diseases, University of North Carolina School of Medicine, Chapel Hill, NC, USA
| | - David van Duin
- Division of Infectious Diseases, University of North Carolina School of Medicine, Chapel Hill, NC, USA
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8
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Kalaivani R, Kali A, Surendran R, Sujaritha T, Ganesh Babu CP. Rapid characterization of carbapenem-resistant Enterobacterales by multiplex lateral flow assay and detection of ceftazidime-avibactam-aztreonam synergy. Indian J Med Microbiol 2024; 47:100530. [PMID: 38246242 DOI: 10.1016/j.ijmmb.2024.100530] [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: 08/01/2023] [Revised: 12/14/2023] [Accepted: 01/15/2024] [Indexed: 01/23/2024]
Abstract
PURPOSE The choice of antibiotics for treatment of Carbapenem-Resistant Enterobacterales (CRE) is increasing becoming limited due to co-expression of Metallo-beta-lactamases (MBL) along with other carbapenemases in these isolates. The study aimed to investigate the occurrence of CRE and to determine the in-vitro synergy and clinical outcomes of Ceftazidime-Avibactam and Aztreonam combination in CRE infections in adult Intensive Care Units (ICUs). METHODS 79 CRE isolates recovered from adult ICUs during January to March 2023 were tested by O.K.N.V.I. RESIST-5, a lateral flow multiplex assay for rapid detection of OXA-48-like, NDM, IMP, VIM, and KPC carbapenemases. Ceftazidime-Avibactam MIC was determined by microbroth dilution method and in vitro synergy between Ceftazidime-Avibactam and Aztreonam was assessed by Modified E-test/disc diffusion method for these isolates. RESULTS The study revealed 7.5 % occurrence of CRE in our hospital, with high occurrence of NDM (n = 42, 53.1 %) and OXA-48-like (n = 63, 79.7 %) carbapenemase. Production of more than one type of carbapenemases was found in 44 isolates. A total of 57 isolates (72 %) had Ceftazidime-Avibactam resistance and 44 of them displayed Ceftazidime-Avibactam and Aztreonam in-vitro synergy. Successful clinical outcome was observed in two patients who received Ceftazidime-Avibactam and Aztreonam combination therapy for 7 days or more. CONCLUSIONS Despite the preponderance of Ceftazidime-Avibactam resistant CRE expressing NDM and OXA-48-like carbapenemase in our hospital, 77.2 % of them displayed in-vitro synergy of Ceftazidime-Avibactam with Aztreonam. It emphasizes the potential therapeutic utility of this combination in CRE strains showing coproduction of MBL and serine carbapenemases. Greater therapeutic potential of Ceftazidime-Avibactam and Aztreonam combination was observed with extended duration of therapy. However, further clinical evidence is needed to establish the efficacy of this combination and consider other factors that influence treatment outcomes.
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Affiliation(s)
- R Kalaivani
- Department of Microbiology, MGMCRI, Sri Balaji Vidhyapeeth deemed to be University, Pondicherry, India.
| | - Arunava Kali
- Department of Microbiology, MGMCRI, Sri Balaji Vidhyapeeth deemed to be University, Pondicherry, India.
| | - R Surendran
- Department of Infectious Disease, MGMCRI, Sri Balaji Vidhyapeeth deemed to be University, Pondicherry, India.
| | - T Sujaritha
- Department of Critical Care Medicine, MGMCRI, Sri Balaji Vidhyapeeth deemed to be University, Pondicherry, India.
| | - C P Ganesh Babu
- Department of General Surgery, MGMCRI, Sri Balaji Vidhyapeeth deemed to be University, Pondicherry, India.
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Mercadante S, Tripiciano C, Romani L, Di Nardo M, Bottari G, Goffredo BM, Simeoli R, Guzzo I, Lancella L, Antachopoulos C, De Luca M. The Use of Cefiderocol as Salvage Therapy in an Infant Receiving ECMO and Continuous Renal Replacement Therapy. Antibiotics (Basel) 2023; 13:37. [PMID: 38247596 PMCID: PMC10812431 DOI: 10.3390/antibiotics13010037] [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: 11/20/2023] [Revised: 12/27/2023] [Accepted: 12/28/2023] [Indexed: 01/23/2024] Open
Abstract
BACKGROUND Infections caused by antimicrobial-resistant (AMR) pathogens are increasing worldwide, representing a serious global public health issue with high morbidity and mortality rates The treatment of Pseudomonas aeruginosa (PA) infections has become a significant challenge due to its ability to develop resistance to many of the currently available antibiotics, especially in intensive care unit (ICU) settings. Among the very few therapeutic lines available against extensively drug-resistant (XDR)-PA and/or with difficult-to-treat resistance (DTR)-PA, cefiderocol is an injectable siderophore cephalosporin not licensed for use in pediatric patients. There are only a few case reports and two ongoing trials describing the administration of this cephalosporin in infants. CASE PRESENTATION This report describes the case of a critically ill 8-month-old girl affected by ventilator-associated pneumonia (VAP) infection complicated by bloodstream infection (BSI) sustained by VIM-producing PA. She was treated with cefiderocol as a salvage therapy during ECMO and CRRT support. CONCLUSIONS In healthcare settings, treating multidrug-resistant, Gram-negative bacteria poses a serious challenge, especially in pediatric patients. Our findings suggest that cefiderocol can be considered as an off-label rescue therapy in selected pediatric cases.
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Affiliation(s)
- Stefania Mercadante
- Infectious Disease Unit, Bambino Gesù Children’s Hospital, IRCCS, 00165 Rome, Italy (M.D.L.)
| | - Costanza Tripiciano
- Infectious Disease Unit, Bambino Gesù Children’s Hospital, IRCCS, 00165 Rome, Italy (M.D.L.)
| | - Lorenza Romani
- Infectious Disease Unit, Bambino Gesù Children’s Hospital, IRCCS, 00165 Rome, Italy (M.D.L.)
| | - Matteo Di Nardo
- Pediatric Intensive Care Unit, Bambino Gesù Children’s Hospital, IRCCS, 00165 Rome, Italy
| | - Gabriella Bottari
- Pediatric Intensive Care Unit, Bambino Gesù Children’s Hospital, IRCCS, 00165 Rome, Italy
| | - Bianca Maria Goffredo
- Division of Metabolic Diseases and Drug Biology, Bambino Gesù Children’s Hospital, IRCCS, 00100 Rome, Italy
| | - Raffaele Simeoli
- Division of Metabolic Diseases and Drug Biology, Bambino Gesù Children’s Hospital, IRCCS, 00100 Rome, Italy
| | - Isabella Guzzo
- Division of Nephrology and Dialysis, Department of Pediatrics, Bambino Gesù Children’s Hospital, IRCCS, 00165 Rome, Italy;
| | - Laura Lancella
- Infectious Disease Unit, Bambino Gesù Children’s Hospital, IRCCS, 00165 Rome, Italy (M.D.L.)
| | - Charalampos Antachopoulos
- Infectious Diseases Unit, Third Department of Pediatrics, Faculty of Medicine, Aristotle University School of Health Sciences, Hippokration Hospital, 54642 Thessalonik, Greece;
| | - Maia De Luca
- Infectious Disease Unit, Bambino Gesù Children’s Hospital, IRCCS, 00165 Rome, Italy (M.D.L.)
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10
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Barbier F, Hraiech S, Kernéis S, Veluppillai N, Pajot O, Poissy J, Roux D, Zahar JR. Rationale and evidence for the use of new beta-lactam/beta-lactamase inhibitor combinations and cefiderocol in critically ill patients. Ann Intensive Care 2023; 13:65. [PMID: 37462830 DOI: 10.1186/s13613-023-01153-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Accepted: 06/09/2023] [Indexed: 07/21/2023] Open
Abstract
BACKGROUND Healthcare-associated infections involving Gram-negative bacteria (GNB) with difficult-to-treat resistance (DTR) phenotype are associated with impaired patient-centered outcomes and poses daily therapeutic challenges in most of intensive care units worldwide. Over the recent years, four innovative β-lactam/β-lactamase inhibitor (BL/BLI) combinations (ceftolozane-tazobactam, ceftazidime-avibactam, imipenem-relebactam and meropenem-vaborbactam) and a new siderophore cephalosporin (cefiderocol) have been approved for the treatment of certain DTR-GNB infections. The literature addressing their microbiological spectrum, pharmacokinetics, clinical efficacy and safety was exhaustively audited by our group to support the recent guidelines of the French Intensive Care Society on their utilization in critically ill patients. This narrative review summarizes the available evidence and unanswered questions on these issues. METHODS A systematic search for English-language publications in PUBMED and the Cochrane Library database from inception to November 15, 2022. RESULTS These drugs have demonstrated relevant clinical success rates and a reduced renal risk in most of severe infections for whom polymyxin- and/or aminoglycoside-based regimen were historically used as last-resort strategies-namely, ceftazidime-avibactam for infections due to Klebsiella pneumoniae carbapenemase (KPC)- or OXA-48-like-producing Enterobacterales, meropenem-vaborbactam for KPC-producing Enterobacterales, ceftazidime-avibactam/aztreonam combination or cefiderocol for metallo-β-lactamase (MBL)-producing Enterobacterales, and ceftolozane-tazobactam, ceftazidime-avibactam and imipenem-relebactam for non-MBL-producing DTR Pseudomonas aeruginosa. However, limited clinical evidence exists in critically ill patients. Extended-infusion scheme (except for imipenem-relebactam) may be indicated for DTR-GNB with high minimal inhibitory concentrations and/or in case of augmented renal clearance. The potential benefit of combining these agents with other antimicrobials remains under-investigated, notably for the most severe presentations. Other important knowledge gaps include pharmacokinetic information in particular situations (e.g., pneumonia, other deep-seated infections, and renal replacement therapy), the hazard of treatment-emergent resistance and possible preventive measures, the safety of high-dose regimen, the potential usefulness of rapid molecular diagnostic tools to rationalize their empirical utilization, and optimal treatment durations. Comparative clinical, ecological, and medico-economic data are needed for infections in whom two or more of these agents exhibit in vitro activity against the causative pathogen. CONCLUSIONS New BL/BLI combinations and cefiderocol represent long-awaited options for improving the management of DTR-GNB infections. Several research axes must be explored to better define the positioning and appropriate administration scheme of these drugs in critically ill patients.
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Affiliation(s)
- François Barbier
- Médecine Intensive Réanimation, Centre Hospitalier Régional d'Orléans, 14, Avenue de l'Hôpital, 45000, Orléans, France.
- Institut Maurice Rapin, Hôpital Henri Mondor, Créteil, France.
| | - Sami Hraiech
- Médecine Intensive Réanimation, Hôpital Nord, Assistance Publique - Hôpitaux de Marseille, and Centre d'Études et de Recherche sur les Services de Santé et la Qualité de Vie, Université Aix-Marseille, Marseille, France
| | - Solen Kernéis
- Équipe de Prévention du Risque Infectieux, Hôpital Bichat-Claude Bernard, Assistance Publique - Hôpitaux de Paris, and INSERM/IAME, Université Paris Cité, Paris, France
| | - Nathanaël Veluppillai
- Équipe de Prévention du Risque Infectieux, Hôpital Bichat-Claude Bernard, Assistance Publique - Hôpitaux de Paris, and INSERM/IAME, Université Paris Cité, Paris, France
| | - Olivier Pajot
- Réanimation Polyvalente, Hôpital Victor Dupouy, Argenteuil, France
| | - Julien Poissy
- Médecine Intensive Réanimation, Centre Hospitalier Universitaire de Lille, Inserm U1285, Université de Lille, and CNRS/UMR 8576 - UGSF - Unité de Glycobiologie Structurale et Fonctionnelle, Lille, France
| | - Damien Roux
- Institut Maurice Rapin, Hôpital Henri Mondor, Créteil, France
- DMU ESPRIT, Médecine Intensive Réanimation, Hôpital Louis Mourier, Assistance Publique - Hôpitaux de Paris, Colombes, and INSERM/CNRS, Institut Necker Enfants Malades, Université Paris Cité, Paris, France
| | - Jean-Ralph Zahar
- Institut Maurice Rapin, Hôpital Henri Mondor, Créteil, France
- Département de Microbiologie Clinique, Hôpital Avicenne, Assistance Publique - Hôpitaux de Paris, Bobigny and INSERM/IAME, Université de Paris, Paris, France
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Yang Y, Yan YH, Schofield CJ, McNally A, Zong Z, Li GB. Metallo-β-lactamase-mediated antimicrobial resistance and progress in inhibitor discovery. Trends Microbiol 2023; 31:735-748. [PMID: 36858862 DOI: 10.1016/j.tim.2023.01.013] [Citation(s) in RCA: 22] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Revised: 01/31/2023] [Accepted: 01/31/2023] [Indexed: 03/02/2023]
Abstract
Resistance to β-lactam antibiotics is rapidly growing, substantially due to the spread of serine-β-lactamases (SBLs) and metallo-β-lactamases (MBLs), which efficiently catalyse β-lactam hydrolysis. Combinations of a β-lactam antibiotic with an SBL inhibitor have been clinically successful; however, no MBL inhibitors have been developed for clinical use. MBLs are a worrying resistance vector because they catalyse hydrolysis of all β-lactam antibiotic classes, except the monobactams, and they are being disseminated across many bacterial species worldwide. Here we review the classification, structures, substrate profiles, and inhibition mechanisms of MBLs, highlighting current clinical problems due to MBL-mediated resistance and progress in understanding and combating MBL-mediated resistance.
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Affiliation(s)
- Yongqiang Yang
- Center of Infectious Diseases, West China Hospital, Sichuan University, Chengdu, China; Center for Pathogen Research, West China Hospital, Sichuan University, Chengdu, China
| | - Yu-Hang Yan
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Department of Medicinal Chemistry, West China School of Pharmacy, Sichuan University, Chengdu, China
| | - Christopher J Schofield
- Department of Chemistry, Chemistry Research Laboratory and the Ineos Oxford Institute for Antimicrobial Research, University of Oxford, Oxford, UK
| | - Alan McNally
- Institute of Microbiology and Infection, College of Medical and Dental Science, University of Birmingham, Birmingham, UK
| | - Zhiyong Zong
- Center of Infectious Diseases, West China Hospital, Sichuan University, Chengdu, China; Center for Pathogen Research, West China Hospital, Sichuan University, Chengdu, China; Division of Infectious Diseases, State Key Laboratory of Biotherapy, Chengdu, China.
| | - Guo-Bo Li
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Department of Medicinal Chemistry, West China School of Pharmacy, Sichuan University, Chengdu, China.
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12
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Zollner-Schwetz I, König E. Treatment options for multidrug-resistant Gram-negatives in urinary tract infections. Curr Opin Urol 2023; 33:173-179. [PMID: 36861769 DOI: 10.1097/mou.0000000000001084] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/03/2023]
Abstract
PURPOSE OF REVIEW Infections due to multidrug-resistant (MDR) Gram-negative bacteria are challenging to treat because of limited treatment options and potential side effects of less frequently used anti-infectives. In the past few years, several new antimicrobial agents effective against MDR Gram-negatives have become available. This review focuses on the treatment options for complicated urinary tract infections (cUTIs) caused by MDR Gram-negatives. RECENT FINDINGS The novel combinations, betalactam or carbapenem and betalactamase inhibitor, ceftazidime/avibactam and meropenem/vaborbactam, are effective for infections caused by KPC-carbapenemase-producing pathogens. Imipenem/relebactam, another carbapenem/betalactamase inhibitor combination, has been approved for the treatment of cUTI. However, data on the efficacy of imipenem/relebactam against carbapenem-resistant pathogens is still limited. Ceftolozane/tazobactam is mainly used for the treatment of MDR Pseudomonas aeruginosa infections. For the treatment of cUTI caused by extended-spectrum betalactamases producing Enterobacterales aminoglycosides or intravenous fosfomycin should be considered. SUMMARY To ensure prudent use and to avoid the development of resistance to novel anti-infective substances, an interdisciplinary approach, including urologists, microbiologists, and infectious disease physicians, is strongly advised.
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Affiliation(s)
- Ines Zollner-Schwetz
- Division of Infectious Diseases, Department of Internal Medicine, Medical University of Graz, Graz, Austria
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