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Rodríguez-Leal CM, González-Corralejo C, Candel FJ, Salavert M. Candent issues in pneumonia. Reflections from the Fifth Annual Meeting of Spanish Experts 2023. REVISTA ESPANOLA DE QUIMIOTERAPIA : PUBLICACION OFICIAL DE LA SOCIEDAD ESPANOLA DE QUIMIOTERAPIA 2024; 37:221-251. [PMID: 38436606 PMCID: PMC11094633 DOI: 10.37201/req/018.2024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/20/2024] [Accepted: 02/28/2024] [Indexed: 03/05/2024]
Abstract
Pneumonia is a multifaceted illness with a wide range of clinical manifestations, degree of severity and multiple potential causing microorganisms. Despite the intensive research of recent decades, community-acquired pneumonia remains the third-highest cause of mortality in developed countries and the first due to infections; and hospital-acquired pneumonia is the main cause of death from nosocomial infection in critically ill patients. Guidelines for management of this disease are available world wide, but there are questions which generate controversy, and the latest advances make it difficult to stay them up to date. A multidisciplinary approach can overcome these limitations and can also aid to improve clinical results. Spanish medical societies involved in diagnosis and treatment of pneumonia have made a collaborative effort to actualize and integrate last expertise about this infection. The aim of this paper is to reflect this knowledge, communicated in Fifth Pneumonia Day in Spain. It reviews the most important questions about this disorder, such as microbiological diagnosis, advances in antibiotic and sequential therapy, management of beta-lactam allergic patient, preventive measures, management of unusual or multi-resistant microorganisms and adjuvant or advanced therapies in Intensive Care Unit.
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Affiliation(s)
| | | | - F J Candel
- Francisco Javier Candel, Clinical Microbiology Service. Hospital Clínico San Carlos. IdISSC and IML Health Research Institutes. 28040 Madrid. Spain.
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Karakonstantis S, Rousaki M, Vassilopoulou L, Kritsotakis EI. Global prevalence of cefiderocol non-susceptibility in Enterobacterales, Pseudomonas aeruginosa, Acinetobacter baumannii, and Stenotrophomonas maltophilia: a systematic review and meta-analysis. Clin Microbiol Infect 2024; 30:178-188. [PMID: 37666449 DOI: 10.1016/j.cmi.2023.08.029] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Revised: 08/14/2023] [Accepted: 08/30/2023] [Indexed: 09/06/2023]
Abstract
BACKGROUND Cefiderocol is a last resort option for carbapenem-resistant (CR) Gram-negative bacteria, especially metallo-β-lactamase-producing Pseudomonas aeruginosa and CR Acinetobacter baumannii. Monitoring global levels of cefiderocol non-susceptibility (CFDC-NS) is important. OBJECTIVES To systematically collate and examine studies investigating in vitro CFDC-NS and estimate the global prevalence of CFDC-NS against major Gram-negative pathogens. DATA SOURCES PubMed and Scopus, up to May 2023. STUDY ELIGIBILITY CRITERIA Eligible were studies reporting CFDC-NS in Enterobacterales, P. aeruginosa, A. baumannii, or Stenotrophomonas maltophilia clinical isolates. RISK-OF-BIAS ASSESSMENT Two independent reviewers extracted study data and assessed the risk of bias on the population, setting, and measurement (susceptibility testing) domains. DATA SYNTHESIS Binomial-Normal mixed-effects models were applied to estimate CFDC-NS prevalence by species, coresistance phenotype, and breakpoint definition (EUCAST, CLSI, and FDA). Sources of heterogeneity were investigated by subgroup and meta-regression analyses. RESULTS In all, 78 studies reporting 82 035 clinical isolates were analysed (87% published between 2020 and 2023). CFDC-NS prevalence (EUCAST breakpoints) was low overall but varied by species (S. maltophilia 0.4% [95% CI 0.2-0.7%], Enterobacterales 3.0% [95% CI 1.5-6.0%], P. aeruginosa 1.4% [95% CI 0.5-4.0%]) and was highest for A. baumannii (8.8%, 95% CI 4.9-15.2%). CFDC-NS was much higher in CR Enterobacterales (12.4%, 95% CI 7.3-20.0%) and CR A. baumannii (13.2%, 95% CI 7.8-21.5%), but relatively low for CR P. aeruginosa (3.5%, 95% CI 1.6-7.8%). CFDC-NS was exceedingly high in New Delhi metallo-β-lactamase-producing Enterobacterales (38.8%, 95% CI 22.6-58.0%), New Delhi metallo-β-lactamase-producing A. baumannii (44.7%, 95% CI 34.5-55.4%), and ceftazidime/avibactam-resistant Enterobacterales (36.6%, 95% CI 22.7-53.1%). CFDC-NS varied considerably with breakpoint definition, predominantly among CR bacteria. Additional sources of heterogeneity were single-centre investigations and geographical regions. CONCLUSIONS CFDC-NS prevalence is low overall, but alarmingly high for specific CR phenotypes circulating in some institutions or regions. Continuous surveillance and updating of global CFDC-NS estimates are imperative while cefiderocol is increasingly introduced into clinical practice. The need to harmonize EUCAST and CLSI breakpoints was evident.
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Affiliation(s)
- Stamatis Karakonstantis
- Internal Medicine Department, Infectious Diseases Division, University Hospital of Heraklion, Crete, Greece
| | - Maria Rousaki
- Master of Public Health Program, Department of Social Medicine, School of Medicine, University of Crete, Heraklion, Crete, Greece
| | - Loukia Vassilopoulou
- 2nd Department of Internal Medicine, Venizeleio-Pananeio General Hospital, Heraklion, Crete, Greece
| | - Evangelos I Kritsotakis
- Laboratory of Biostatistics, Department of Social Medicine, School of Medicine, University of Crete, Heraklion, Crete, Greece; School of Health and Related Research, Faculty of Medicine, Dentistry and Health, University of Sheffield, Sheffield, UK.
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Plaisance CJ, Borne GE, Daniel CP, Wagner MJ, Shelvan A, Mathew J, Ahmadzadeh S, Paladini A, Varrassi G, Shekoohi S, Kaye AD. Cefiderocol (Fetroja) as a Treatment for Hospital-Acquired Pneumonia. Cureus 2024; 16:e52230. [PMID: 38352089 PMCID: PMC10863518 DOI: 10.7759/cureus.52230] [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: 12/13/2023] [Accepted: 01/13/2024] [Indexed: 02/16/2024] Open
Abstract
With increasing resistance to conventional antibiotic treatments, especially among gram-negative bacilli, the search for new antibiotics has become critical on a global scale. Among infections with multidrug-resistant bacteria is hospital-acquired pneumonia (HAP), which is nosocomial pneumonia in patients who have been hospitalized for more than 48 hours. HAP carries a high mortality rate and continues to be a challenge with regard to adequate treatment. The typical multidrug-resistant gram negatives found in HAP include Pseudomonas aeruginosa, Klebsiella pneumoniae, and Acinetobacter baumannii. Many new antibiotics have been studied and tested against these pathogens as possible solutions, and the search continues. Cefiderocol, a novel siderophore cephalosporin, is effective against these pathogens. Cefiderocol is an iron-chelating agent that makes use of iron pumps on the membrane of bacteria via a catechol moiety on the C3 side chain of the molecule. This allows for easy access into the cytoplasm, where it can inhibit peptidoglycan synthesis by binding to penicillin-binding proteins. Cefiderocol displays linear pharmacokinetics and is mainly excreted through the kidneys. It is well tolerated in healthy individuals but may need adjustments of dosage in patients with impaired renal function. Studies have shown that both healthy subjects and those with impaired renal function experienced some adverse effects, including nausea, diarrhea, abdominal pain, and increased creatinine kinase; however, these adverse effects were limited and experienced in placebo groups. It has demonstrated efficacy in treating infections caused by many multidrug-resistant gram-negative pathogens and has demonstrated high stability against many classes of b-lactamases. There have been multiple phase 3 trials, such as the CREDIBLE-CR trial and the APEKS-NP trial, that demonstrated efficacy in treated nosocomial pneumonia caused by multidrug-resistant gram negatives, such as carbapenem-resistant Acinetobacter baumannii, Klebsiella pneumoniae, and Pseudomonas aeruginosa, compared to the best available treatment. While clinical data remain limited, a few studies are showing clinical efficacy and few adverse effects. Cefiderocol demonstrated effectivity in treating multidrug-resistant gram-negative pneumonia in patients with multiple comorbidities, such as chronic kidney disease, chronic-obstructive pulmonary disease, and diabetes mellitus. Cefiderocol shows promise as a novel antimicrobial agent in treating multidrug-resistant gram-negative in HAP.
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Affiliation(s)
- Connor J Plaisance
- School of Medicine, Louisiana State University Health Sciences Center, Shreveport, USA
| | - Grant E Borne
- School of Medicine, Louisiana State University Health Sciences Center, Shreveport, USA
| | - Charles P Daniel
- School of Medicine, Louisiana State University Health Sciences Center, Shreveport, USA
| | - Maxwell J Wagner
- School of Medicine, Louisiana State University Health Sciences Center, Shreveport, USA
| | - Anitha Shelvan
- Department of Anesthesiology, Louisiana State University Health Sciences Center, Shreveport, USA
| | - Jibin Mathew
- Department of Anesthesiology, Louisiana State University Health Sciences Center, Shreveport, USA
| | - Shahab Ahmadzadeh
- Department of Anesthesiology, Louisiana State University Health Sciences Center, Shreveport, USA
| | - Antonella Paladini
- Department of Life, Health & Environmental Sciences (MESVA), University of L'Aquila, L'Aquila, ITA
| | | | - Sahar Shekoohi
- Department of Anesthesiology, Louisiana State University Health Sciences Center, Shreveport, USA
| | - Alan D Kaye
- Department of Anesthesiology, Louisiana State University Health Sciences Center, Shreveport, USA
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Monogue ML, Desai D, Pybus CA, Sanders JM, Clark AE, Greenberg DE. In vitro activity of cefiderocol against Pseudomonas aeruginosa isolated from cystic fibrosis patients. Microbiol Spectr 2023; 11:e0304723. [PMID: 37982634 PMCID: PMC10714955 DOI: 10.1128/spectrum.03047-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2023] Open
Affiliation(s)
- Marguerite L. Monogue
- Department of Pharmacy, University of Texas Southwestern Medical Center, Dallas, Texas, USA
- Department of Internal Medicine, Infectious Diseases, and Geographic Medicine, University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Dhara Desai
- Department of Microbiology, University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Christine A. Pybus
- Department of Microbiology, University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - James M. Sanders
- Department of Pharmacy, University of Texas Southwestern Medical Center, Dallas, Texas, USA
- Department of Internal Medicine, Infectious Diseases, and Geographic Medicine, University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Andrew E. Clark
- Department of Pathology, University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - David E. Greenberg
- Department of Internal Medicine, Infectious Diseases, and Geographic Medicine, University of Texas Southwestern Medical Center, Dallas, Texas, USA
- Department of Microbiology, University of Texas Southwestern Medical Center, Dallas, Texas, USA
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Emeraud C, Mahamat A, Jousset AB, Bernabeu S, Goncalves T, Pommier C, Girlich D, Birer A, Rodriguez C, Pawlotsky JM, Naas T, Bonnin RA, Dortet L. Emergence and rapid dissemination of highly resistant NDM-14-producing Klebsiella pneumoniae ST147, France, 2022. Euro Surveill 2023; 28:2300095. [PMID: 37855905 PMCID: PMC10588306 DOI: 10.2807/1560-7917.es.2023.28.42.2300095] [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: 02/06/2023] [Accepted: 06/26/2023] [Indexed: 10/20/2023] Open
Abstract
BackgroundSince 2021, an emergence of New Delhi metallo-β-lactamase (NDM)-14-producing Klebsiella pneumoniae has been identified in France. This variant with increased carbapenemase activity was not previously detected in Enterobacterales.AimWe investigated the rapid dissemination of NDM-14 producers among patients in hospitals in France.MethodsAll NDM-14-producing non-duplicate clinical isolates identified in France until June 2022 (n = 37) were analysed by whole genome sequencing. The phylogeny of NDM-14-producers among all K. pneumoniae sequence type (ST) 147 reported in France since 2014 (n = 431) was performed. Antimicrobial susceptibility testing, conjugation experiments, clonal relationship and molecular clock analysis were performed.ResultsThe 37 NDM-14 producers recovered in France until 2022 belonged to K. pneumoniae ST147. The dissemination of NDM-14-producing K. pneumoniae was linked to a single clone, likely imported from Morocco and responsible for several outbreaks in France. The gene bla NDM-14 was harboured on a 54 kilobase non-conjugative IncFIB plasmid that shared high homology with a known bla NDM-1-carrying plasmid. Using Bayesian analysis, we estimated that the NDM-14-producing K. pneumoniae ST147 clone appeared in 2020. The evolutionary rate of this clone was estimated to 5.61 single nucleotide polymorphisms per genome per year. The NDM-14 producers were highly resistant to all antimicrobials tested except to colistin, cefiderocol (minimum inhibitory concentration 2 mg/L) and the combination of aztreonam/avibactam.ConclusionHighly resistant NDM-14 producing K. pneumoniae can rapidly spread in healthcare settings. Surveillance and thorough investigations of hospital outbreaks are critical to evaluate and limit the dissemination of this clone.
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Affiliation(s)
- Cécile Emeraud
- Department of Bacteriology-Hygiene, Bicêtre Hospital, Assistance Publique - Hôpitaux de Paris, Le Kremlin-Bicêtre, France
- UMR-1184, INSERM, University Paris-Saclay, CEA, Faculty of Medicine, Le Kremlin-Bicêtre, France
- French National Reference Center for Antibiotic Resistance, Le Kremlin-Bicêtre, France
| | - Aba Mahamat
- Corsica Centre for Healthcare-Associated Infections Control and Prevention, Hôpital Eugénie, Ajaccio, France
| | - Agnès B Jousset
- Department of Bacteriology-Hygiene, Bicêtre Hospital, Assistance Publique - Hôpitaux de Paris, Le Kremlin-Bicêtre, France
- UMR-1184, INSERM, University Paris-Saclay, CEA, Faculty of Medicine, Le Kremlin-Bicêtre, France
- French National Reference Center for Antibiotic Resistance, Le Kremlin-Bicêtre, France
| | - Sandrine Bernabeu
- Department of Bacteriology-Hygiene, Bicêtre Hospital, Assistance Publique - Hôpitaux de Paris, Le Kremlin-Bicêtre, France
- UMR-1184, INSERM, University Paris-Saclay, CEA, Faculty of Medicine, Le Kremlin-Bicêtre, France
| | - Tania Goncalves
- Department of Bacteriology-Hygiene, Bicêtre Hospital, Assistance Publique - Hôpitaux de Paris, Le Kremlin-Bicêtre, France
| | - Camille Pommier
- Department of Bacteriology-Hygiene, Bicêtre Hospital, Assistance Publique - Hôpitaux de Paris, Le Kremlin-Bicêtre, France
| | - Delphine Girlich
- UMR-1184, INSERM, University Paris-Saclay, CEA, Faculty of Medicine, Le Kremlin-Bicêtre, France
| | - Aurélien Birer
- Centre National de Référence de la Résistance aux antibiotiques, Service de Bactériologie, CHU Gabriel-Montpied, Clermont-Ferrand, France
| | - Christophe Rodriguez
- Université Paris-Est-Créteil (UPEC), Créteil, France
- Department of Virology, Hôpitaux Universitaires Henri Mondor, Assistance Publique-Hôpitaux de Paris, Créteil, France
- INSERM U955, Team Viruses, Hepatology, Cancer, Créteil, France
| | - Jean-Michel Pawlotsky
- Université Paris-Est-Créteil (UPEC), Créteil, France
- Department of Virology, Hôpitaux Universitaires Henri Mondor, Assistance Publique-Hôpitaux de Paris, Créteil, France
- INSERM U955, Team Viruses, Hepatology, Cancer, Créteil, France
| | - Thierry Naas
- Department of Bacteriology-Hygiene, Bicêtre Hospital, Assistance Publique - Hôpitaux de Paris, Le Kremlin-Bicêtre, France
- UMR-1184, INSERM, University Paris-Saclay, CEA, Faculty of Medicine, Le Kremlin-Bicêtre, France
- French National Reference Center for Antibiotic Resistance, Le Kremlin-Bicêtre, France
| | - Rémy A Bonnin
- UMR-1184, INSERM, University Paris-Saclay, CEA, Faculty of Medicine, Le Kremlin-Bicêtre, France
- French National Reference Center for Antibiotic Resistance, Le Kremlin-Bicêtre, France
| | - Laurent Dortet
- Department of Bacteriology-Hygiene, Bicêtre Hospital, Assistance Publique - Hôpitaux de Paris, Le Kremlin-Bicêtre, France
- UMR-1184, INSERM, University Paris-Saclay, CEA, Faculty of Medicine, Le Kremlin-Bicêtre, France
- French National Reference Center for Antibiotic Resistance, Le Kremlin-Bicêtre, France
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Jousset AB, Bouabdallah L, Birer A, Rosinski-Chupin I, Mariet JF, Oueslati S, Emeraud C, Girlich D, Glaser P, Naas T, Bonnin RA, Dortet L. Population Analysis of Escherichia coli Sequence Type 361 and Reduced Cefiderocol Susceptibility, France. Emerg Infect Dis 2023; 29:1877-1881. [PMID: 37610183 PMCID: PMC10461684 DOI: 10.3201/eid2909.230390] [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] [Indexed: 08/24/2023] Open
Abstract
Cefiderocol resistance is increasingly reported in New Delhi metallo-β-lactamase-producing Enterobacterales. Genomic and phenotypic analysis of Escherichia coli sequence type 361, a primary clone causing carbapenemase spread in France, revealed mutations leading to cefiderocol resistance. Continued genomic surveillance of carbapenem-resistant Enterobacterales could clarify prevalence of cefiderocol-resistant E. coli in Europe.
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O’Shaughnessy M, Sheils O, Baird AM. The Lung Microbiome in COPD and Lung Cancer: Exploring the Potential of Metal-Based Drugs. Int J Mol Sci 2023; 24:12296. [PMID: 37569672 PMCID: PMC10419288 DOI: 10.3390/ijms241512296] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 07/28/2023] [Accepted: 07/29/2023] [Indexed: 08/13/2023] Open
Abstract
Chronic obstructive pulmonary disease (COPD) and lung cancer 17 are two of the most prevalent and debilitating respiratory diseases worldwide, both associated with high morbidity and mortality rates. As major global health concerns, they impose a substantial burden on patients, healthcare systems, and society at large. Despite their distinct aetiologies, lung cancer and COPD share common risk factors, clinical features, and pathological pathways, which have spurred increasing research interest in their co-occurrence. One area of particular interest is the role of the lung microbiome in the development and progression of these diseases, including the transition from COPD to lung cancer. Exploring novel therapeutic strategies, such as metal-based drugs, offers a potential avenue for targeting the microbiome in these diseases to improve patient outcomes. This review aims to provide an overview of the current understanding of the lung microbiome, with a particular emphasis on COPD and lung cancer, and to discuss the potential of metal-based drugs as a therapeutic strategy for these conditions, specifically concerning targeting the microbiome.
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Affiliation(s)
- Megan O’Shaughnessy
- School of Medicine, Trinity Translational Medicine Institute, Trinity College Dublin, D08 W9RT Dublin, Ireland
| | - Orla Sheils
- School of Medicine, Trinity Translational Medicine Institute, Trinity College Dublin, D08 W9RT Dublin, Ireland
- Department of Histopathology and Morbid Anatomy, Trinity Translational Medicine Institute, St. James’s Hospital, D08 RX0X Dublin, Ireland
| | - Anne-Marie Baird
- School of Medicine, Trinity Translational Medicine Institute, Trinity College Dublin, D08 W9RT Dublin, Ireland
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Mancuso G, De Gaetano S, Midiri A, Zummo S, Biondo C. The Challenge of Overcoming Antibiotic Resistance in Carbapenem-Resistant Gram-Negative Bacteria: "Attack on Titan". Microorganisms 2023; 11:1912. [PMID: 37630472 PMCID: PMC10456941 DOI: 10.3390/microorganisms11081912] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Revised: 07/25/2023] [Accepted: 07/26/2023] [Indexed: 08/27/2023] Open
Abstract
The global burden of bacterial resistance remains one of the most serious public health concerns. Infections caused by multidrug-resistant (MDR) bacteria in critically ill patients require immediate empirical treatment, which may not only be ineffective due to the resistance of MDR bacteria to multiple classes of antibiotics, but may also contribute to the selection and spread of antimicrobial resistance. Both the WHO and the ECDC consider carbapenem-resistant Enterobacteriaceae (CRE), carbapenem-resistant Pseudomonas aeruginosa (CRPA), and carbapenem-resistant Acinetobacter baumannii (CRAB) to be the highest priority. The ability to form biofilm and the acquisition of multiple drug resistance genes, in particular to carbapenems, have made these pathogens particularly difficult to treat. They are a growing cause of healthcare-associated infections and a significant threat to public health, associated with a high mortality rate. Moreover, co-colonization with these pathogens in critically ill patients was found to be a significant predictor for in-hospital mortality. Importantly, they have the potential to spread resistance using mobile genetic elements. Given the current situation, it is clear that finding new ways to combat antimicrobial resistance can no longer be delayed. The aim of this review was to evaluate the literature on how these pathogens contribute to the global burden of AMR. The review also highlights the importance of the rational use of antibiotics and the need to implement antimicrobial stewardship principles to prevent the transmission of drug-resistant organisms in healthcare settings. Finally, the review discusses the advantages and limitations of alternative therapies for the treatment of infections caused by these "titans" of antibiotic resistance.
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Affiliation(s)
- Giuseppe Mancuso
- Department of Human Pathology, University of Messina, 98125 Messina, Italy; (S.D.G.); (A.M.); (S.Z.); (C.B.)
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Quirino A, Cicino C, Scaglione V, Marascio N, Serapide F, Scarlata GGM, Lionello R, Divenuto F, La Gamba V, Pavia G, Russo A, Torti C, Matera G, Trecarichi EM. In vitro Activity of Cefiderocol Against Carbapenem-Resistant Acinetobacter baumannii Clinical Isolates: a Single Center Experience. Mediterr J Hematol Infect Dis 2023; 15:e2023043. [PMID: 37435038 PMCID: PMC10332354 DOI: 10.4084/mjhid.2023.043] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Accepted: 06/16/2023] [Indexed: 07/13/2023] Open
Affiliation(s)
- Angela Quirino
- Unit of Clinical Microbiology, Department of Health Sciences, “Magna Graecia” University of Catanzaro–“Mater Domini” teaching hospital; Catanzaro, Italy
| | - Claudia Cicino
- Unit of Clinical Microbiology, Department of Health Sciences, “Magna Graecia” University of Catanzaro–“Mater Domini” teaching hospital; Catanzaro, Italy
| | - Vincenzo Scaglione
- Unit of Infectious and Tropical Diseases, Department of Medical and Surgical Sciences, “Magna Graecia” University of Catanzaro – “Mater Domini” teaching hospital; Catanzaro, Italy
| | - Nadia Marascio
- Unit of Clinical Microbiology, Department of Health Sciences, “Magna Graecia” University of Catanzaro–“Mater Domini” teaching hospital; Catanzaro, Italy
| | - Francesca Serapide
- Unit of Infectious and Tropical Diseases, Department of Medical and Surgical Sciences, “Magna Graecia” University of Catanzaro – “Mater Domini” teaching hospital; Catanzaro, Italy
| | - Giuseppe Guido Maria Scarlata
- Unit of Clinical Microbiology, Department of Health Sciences, “Magna Graecia” University of Catanzaro–“Mater Domini” teaching hospital; Catanzaro, Italy
| | - Rosaria Lionello
- Unit of Infectious and Tropical Diseases, Department of Medical and Surgical Sciences, “Magna Graecia” University of Catanzaro – “Mater Domini” teaching hospital; Catanzaro, Italy
| | - Francesca Divenuto
- Unit of Clinical Microbiology, Department of Health Sciences, “Magna Graecia” University of Catanzaro–“Mater Domini” teaching hospital; Catanzaro, Italy
| | - Valentina La Gamba
- Unit of Infectious and Tropical Diseases, Department of Medical and Surgical Sciences, “Magna Graecia” University of Catanzaro – “Mater Domini” teaching hospital; Catanzaro, Italy
| | - Grazia Pavia
- Unit of Clinical Microbiology, Department of Health Sciences, “Magna Graecia” University of Catanzaro–“Mater Domini” teaching hospital; Catanzaro, Italy
| | - Alessandro Russo
- Unit of Infectious and Tropical Diseases, Department of Medical and Surgical Sciences, “Magna Graecia” University of Catanzaro – “Mater Domini” teaching hospital; Catanzaro, Italy
| | - Carlo Torti
- Unit of Infectious and Tropical Diseases, Department of Medical and Surgical Sciences, “Magna Graecia” University of Catanzaro – “Mater Domini” teaching hospital; Catanzaro, Italy
| | - Giovanni Matera
- Unit of Clinical Microbiology, Department of Health Sciences, “Magna Graecia” University of Catanzaro–“Mater Domini” teaching hospital; Catanzaro, Italy
| | - Enrico Maria Trecarichi
- Unit of Infectious and Tropical Diseases, Department of Medical and Surgical Sciences, “Magna Graecia” University of Catanzaro – “Mater Domini” teaching hospital; Catanzaro, Italy
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Cavallo I, Oliva A, Pages R, Sivori F, Truglio M, Fabrizio G, Pasqua M, Pimpinelli F, Di Domenico EG. Acinetobacter baumannii in the critically ill: complex infections get complicated. Front Microbiol 2023; 14:1196774. [PMID: 37425994 PMCID: PMC10325864 DOI: 10.3389/fmicb.2023.1196774] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Accepted: 06/05/2023] [Indexed: 07/11/2023] Open
Abstract
Acinetobacter baumannii is increasingly associated with various epidemics, representing a serious concern due to the broad level of antimicrobial resistance and clinical manifestations. During the last decades, A. baumannii has emerged as a major pathogen in vulnerable and critically ill patients. Bacteremia, pneumonia, urinary tract, and skin and soft tissue infections are the most common presentations of A. baumannii, with attributable mortality rates approaching 35%. Carbapenems have been considered the first choice to treat A. baumannii infections. However, due to the widespread prevalence of carbapenem-resistant A. baumannii (CRAB), colistin represents the main therapeutic option, while the role of the new siderophore cephalosporin cefiderocol still needs to be ascertained. Furthermore, high clinical failure rates have been reported for colistin monotherapy when used to treat CRAB infections. Thus, the most effective antibiotic combination remains disputed. In addition to its ability to develop antibiotic resistance, A. baumannii is also known to form biofilm on medical devices, including central venous catheters or endotracheal tubes. Thus, the worrisome spread of biofilm-producing strains in multidrug-resistant populations of A. baumannii poses a significant treatment challenge. This review provides an updated account of antimicrobial resistance patterns and biofilm-mediated tolerance in A. baumannii infections with a special focus on fragile and critically ill patients.
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Affiliation(s)
- Ilaria Cavallo
- Microbiology and Virology, San Gallicano Dermatological Institute, IRCCS, Rome, Italy
| | - Alessandra Oliva
- Department of Public Health and Infectious Diseases, Sapienza University of Rome, Rome, Italy
| | - Rebecca Pages
- Microbiology and Virology, San Gallicano Dermatological Institute, IRCCS, Rome, Italy
| | - Francesca Sivori
- Microbiology and Virology, San Gallicano Dermatological Institute, IRCCS, Rome, Italy
| | - Mauro Truglio
- Microbiology and Virology, San Gallicano Dermatological Institute, IRCCS, Rome, Italy
| | - Giorgia Fabrizio
- Microbiology and Virology, San Gallicano Dermatological Institute, IRCCS, Rome, Italy
| | - Martina Pasqua
- Department of Biology and Biotechnology "C. Darwin" Sapienza University of Rome, Rome, Italy
| | - Fulvia Pimpinelli
- Microbiology and Virology, San Gallicano Dermatological Institute, IRCCS, Rome, Italy
| | - Enea Gino Di Domenico
- Department of Biology and Biotechnology "C. Darwin" Sapienza University of Rome, Rome, Italy
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Kontou A, Kourti M, Iosifidis E, Sarafidis K, Roilides E. Use of Newer and Repurposed Antibiotics against Gram-Negative Bacteria in Neonates. Antibiotics (Basel) 2023; 12:1072. [PMID: 37370391 DOI: 10.3390/antibiotics12061072] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2023] [Revised: 06/12/2023] [Accepted: 06/14/2023] [Indexed: 06/29/2023] Open
Abstract
Antimicrobial resistance has become a significant public health problem globally with multidrug resistant Gram negative (MDR-GN) bacteria being the main representatives. The emergence of these pathogens in neonatal settings threatens the well-being of the vulnerable neonatal population given the dearth of safe and effective therapeutic options. Evidence from studies mainly in adults is now available for several novel antimicrobial compounds, such as new β-lactam/β-lactamase inhibitors (e.g., ceftazidime-avibactam, meropenem-vaborbactam, imipenem/cilastatin-relebactam), although old antibiotics such as colistin, tigecycline, and fosfomycin are also encompassed in the fight against MDR-GN infections that remain challenging. Data in the neonatal population are scarce, with few clinical trials enrolling neonates for the evaluation of the efficacy, safety, and dosing of new antibiotics, while the majority of old antibiotics are used off-label. In this article we review data about some novel and old antibiotics that are active against MDR-GN bacteria causing sepsis and are of interest to be used in the neonatal population.
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Affiliation(s)
- Angeliki Kontou
- 1st Department of Neonatology and Neonatal Intensive Care Unit, School of Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki, Hippokration General Hospital, Thessaloniki 54642, Greece
| | - Maria Kourti
- Infectious Diseases Unit, 3rd Department of Pediatrics, School of Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki, Hippokration General Hospital, Thessaloniki 54642, Greece
| | - Elias Iosifidis
- Infectious Diseases Unit, 3rd Department of Pediatrics, School of Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki, Hippokration General Hospital, Thessaloniki 54642, Greece
- Basic and Translational Research Unit, Special Unit for Biomedical Research and Education, School of Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki, Thessaloniki 54642, Greece
| | - Kosmas Sarafidis
- 1st Department of Neonatology and Neonatal Intensive Care Unit, School of Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki, Hippokration General Hospital, Thessaloniki 54642, Greece
| | - Emmanuel Roilides
- Infectious Diseases Unit, 3rd Department of Pediatrics, School of Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki, Hippokration General Hospital, Thessaloniki 54642, Greece
- Basic and Translational Research Unit, Special Unit for Biomedical Research and Education, School of Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki, Thessaloniki 54642, Greece
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12
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Huang YS, Chen PY, Chou PC, Wang JT. In Vitro Activities and Inoculum Effects of Cefiderocol and Aztreonam-Avibactam against Metallo-β-Lactamase-Producing Enterobacteriaceae. Microbiol Spectr 2023; 11:e0056923. [PMID: 37154758 PMCID: PMC10269523 DOI: 10.1128/spectrum.00569-23] [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: 02/10/2023] [Accepted: 04/18/2023] [Indexed: 05/10/2023] Open
Abstract
Cefiderocol and aztreonam-avibactam (ATM-AVI) both had activity against carbapenem-resistant Gram-negative bacilli, including those that produce metallo-β-lactamases (MBLs). We compared the in vitro activities and inoculum effects of these antibiotics against carbapenemase-producing Enterobacteriaceae (CPE), especially MBL-producing isolates. The MICs of cefiderocol and ATM-AVI were determined using broth microdilution method for a 2016 to 2021 collection of Enterobacteriaceae isolates which produced MBL, KPC, or OXA-48-like carbapenemases. MICs with high bacteria inoculum were also evaluated for susceptible isolates. A total of 195 CPE were tested, including 143 MBL- (74 NDM, 42 IMP, and 27 VIM), 38 KPC-, and 14 OXA-48-like-producing isolates. The susceptible rates of MBL-, KPC-, and OXA-48-like producers to cefiderocol were 86.0%, 92.1%, and 92.9%, respectively, and that to ATM-AVI were 95.8%, 100%, and 100%, respectively. NDM producers displayed lower susceptibility and higher MIC50s/MIC90s of cefiderocol (78.4%, 2/16 mg/L) than IMP (92.9%, 0.375/4 mg/L) and VIM (96.3%, 1/4 mg/L) producers. NDM- and VIM-producing Escherichia coli showed lower susceptibility to ATM-AVI (77.3% and 75.0%, respectively) compared to MBL-CPE of other species (100% susceptible). Inoculum effects for cefiderocol and ATM-AVI were observed among 95.9% and 95.2% of susceptible CPE, respectively. A switch from susceptible to resistant category was observed in 83.6% (143/171) of isolates for cefiderocol and 94.7% (179/189) for ATM-AVI. Our results revealed that NDM-producing Enterobacteriaceae had lower susceptibility to cefiderocol and ATM-AVI. Prominent inoculum effects on both antibiotics were observed for CPE, which suggested a risk of microbiological failure when they were used for CPE infections with high bacteria burden. IMPORTANCE The prevalence of infections caused by carbapenem-resistant Enterobacteriaceae is increasing worldwide. Currently, therapeutic options for metallo-β-lactamase (MBL)-producing Enterobacteriaceae remain limited. We demonstrated that clinical metallo-β-lactamase (MBL)-producing Enterobacteriaceae isolates were highly susceptible to cefiderocol (86.0%) and aztreonam-avibactam (ATM-AVI) (95.8%). However, inoculum effects on cefiderocol and ATM-AVI were observed for over 90% of susceptible carbapenemase-producing Enterobacteriaceae (CPE) isolates. Our findings highlight a potential risk of microbiological failure when using monotherapy with cefiderocol or ATM-AVI to treat severe CPE infection.
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Affiliation(s)
- Yu-Shan Huang
- Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan
- Graduate Institute of Clinical Medicine, National Taiwan University College of Medicine, Taipei, Taiwan
| | - Pao-Yu Chen
- Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan
- Graduate Institute of Clinical Medicine, National Taiwan University College of Medicine, Taipei, Taiwan
| | - Pei-Chun Chou
- Laboratory of Infectious Disease, Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan
| | - Jann-Tay Wang
- Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan
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Bianco G, Boattini M, Comini S, Banche G, Cavallo R, Costa C. Disc Diffusion and ComASP ® Cefiderocol Microdilution Panel to Overcome the Challenge of Cefiderocol Susceptibility Testing in Clinical Laboratory Routine. Antibiotics (Basel) 2023; 12:antibiotics12030604. [PMID: 36978470 PMCID: PMC10045311 DOI: 10.3390/antibiotics12030604] [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: 02/16/2023] [Revised: 03/01/2023] [Accepted: 03/15/2023] [Indexed: 03/30/2023] Open
Abstract
Cefiderocol susceptibility testing represents a major challenge for clinical microbiology. Although disc diffusion showed robustness to test cefiderocol susceptibility, large areas of technical uncertainty (ATU) are reported by current EUCAST breakpoints. Herein, we evaluated the in vitro activity of cefiderocol on a collection of 286 difficult-to-treat Gram-negative isolates using disc diffusion and ComASP® cefiderocol microdilution panel. Broth microdilution (BMD) in iron-depleted Mueller-Hinton broth was used as reference method. Following the EUCAST guidelines, disc diffusion allowed to determine cefiderocol susceptibility (susceptible or resistant) in 78.6%, 88.1%, 85.4% and 100% of Enterobacterales, P. aeruginosa, A. baumannii and S. maltophilia isolates tested, respectively. ComASP® cefiderocol panel showed 94% and 84% of overall categorical agreement and essential agreement. Only one very major error and two major errors were observed, for MIC values nearly close to the resistance breakpoint (2 mg/L). Overall, 20.5% of the carbapenemase-producing Enterobacterales that achieved ATU results by the disc diffusion method tested resistant by both ComASP® panel and reference BMD. Conversely, all VIM-producing P. aeruginosa showed MIC values in the susceptible range (≤2 mg/L). Lastly, only six out of seven (85.7%) A. baumannii isolates showing inhibition zones <17 mm tested resistant by both ComASP® panel and the reference BMD suggesting that inhibition zone <17 mm are not unequivocally suggestive of resistance. Our results, although obtained on a limited number of isolates, suggest that the combination of disc diffusion with a ComASP® cefiderocol microdilution panel could be a viable solution to overcome the challenge of cefiderocol susceptibility testing in routine microbiology laboratories.
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Affiliation(s)
- Gabriele Bianco
- Microbiology and Virology Unit, University Hospital Città della Salute e della Scienza di Torino, 10126 Turin, Italy
- Department of Public Health and Paediatrics, University of Torino, 10124 Turin, Italy
| | - Matteo Boattini
- Microbiology and Virology Unit, University Hospital Città della Salute e della Scienza di Torino, 10126 Turin, Italy
- Department of Public Health and Paediatrics, University of Torino, 10124 Turin, Italy
- Doctoral Programme of the Lisbon Academic Medical Centre-Ph.D. CAML, 1169-056 Lisbon, Portugal
| | - Sara Comini
- Microbiology and Virology Unit, University Hospital Città della Salute e della Scienza di Torino, 10126 Turin, Italy
- Department of Public Health and Paediatrics, University of Torino, 10124 Turin, Italy
| | - Giuliana Banche
- Department of Public Health and Paediatrics, University of Torino, 10124 Turin, Italy
| | - Rossana Cavallo
- Microbiology and Virology Unit, University Hospital Città della Salute e della Scienza di Torino, 10126 Turin, Italy
- Department of Public Health and Paediatrics, University of Torino, 10124 Turin, Italy
| | - Cristina Costa
- Microbiology and Virology Unit, University Hospital Città della Salute e della Scienza di Torino, 10126 Turin, Italy
- Department of Public Health and Paediatrics, University of Torino, 10124 Turin, Italy
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He Y, Wang Y, Ma X, Zhao L, Guan J, Zhao J, Yu W, Li Y, Ni W, Gao Z. Resistance to Cefiderocol Involved Expression of PER-1 β-Lactamase and Downregulation of Iron Transporter System in Carbapenem-Resistant Acinetobacter baumannii. Infect Drug Resist 2022; 15:7177-7187. [PMID: 36514799 PMCID: PMC9741825 DOI: 10.2147/idr.s392241] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2022] [Accepted: 12/02/2022] [Indexed: 12/12/2022] Open
Abstract
Background Cefiderocol (CFDC) is a promising antimicrobial agent against multidrug resistant Gram-negative bacteria. However, CFDC resistance has emerged in carbapenem-resistant Acinetobacter baumannii (CR-AB) but the underlying mechanisms remain unclear. Methods Whole-genome sequencing and transcriptome sequencing were performed on CFDC-non-susceptible and CFDC-susceptible isolates. Two different recombinant plasmids was electro-transformed into the E. coli BL21 strain to determine the impact of blaPER and the combined impact of blaPER-1 and blaOXA-23 on CFDC resistance. Results Fifty-five CR-AB isolates with minimum inhibitory concentrations (MICs) ranged from 0.06 mg/L to >256 mg/L were sequenced, including 47 CFDC-non-susceptible and eight CFDC-susceptible isolates. Two CFDC-non-susceptible isolates belonged to ST104 whereas the remaining isolates belonged to ST2, and blaPER-1 was present only in CFDC-non-susceptible isolates. Amino acid substitutions were noted in penicillin-binding proteins (PBPs) in four CFDC-susceptible isolates, with slightly elevated MICs. The MICs of recombinant E. coli BL21 carrying the blaPER-1 gene increased 64-fold and recombinant E. coli BL21 carrying both the blaPER-1 and blaOXA-23 genes increased 8-fold but both remained within the susceptibility range. Transcriptome sequencing of 17 CFDC-non-susceptible isolates and eight CFDC-susceptible isolates revealed that transcriptional levels of various iron transport proteins, such as fiu, feoA, and feoB, and the energy transduction system, TonB-ExbB-ExbD, were relatively downregulated in CFDC-non-susceptible isolates. GO enrichment analysis revealed that the upregulated genes in CFDC-non-susceptible isolates were mainly associated with redox homeostasis and stress response. Besides, the expression levels of the blaOXA-23 and exbD genes were negatively correlated with the MICs. Conclusion PER-1 production, iron transport system downregulation, and mutations in PBPs may synergistically impart high-level resistance to CFDC in CR-AB.
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Affiliation(s)
- Yukun He
- Department of Pulmonary and Critical Care Medicine, Peking University People’s Hospital, Beijing, People’s Republic of China
| | - Yifan Wang
- Department of Pulmonary and Critical Care Medicine, Peking University People’s Hospital, Beijing, People’s Republic of China
| | - Xinqian Ma
- Department of Pulmonary and Critical Care Medicine, Peking University People’s Hospital, Beijing, People’s Republic of China
| | - Lili Zhao
- Department of Pulmonary and Critical Care Medicine, Peking University People’s Hospital, Beijing, People’s Republic of China
| | - Jie Guan
- Clinical Laboratory, Peking University First Hospital, Beijing, People’s Republic of China
| | - Jin Zhao
- Department of Respiratory Diseases, Air Force Medical Center, Chinese People’s Liberation Army, Beijing, People’s Republic of China
| | - Wenyi Yu
- Department of Pulmonary and Critical Care Medicine, Peking University People’s Hospital, Beijing, People’s Republic of China
| | - Yanjun Li
- Clinical Laboratory, The Sixth Medical Center of PLA General Hospital, Beijing, People’s Republic of China
| | - Wentao Ni
- Department of Pulmonary and Critical Care Medicine, Peking University People’s Hospital, Beijing, People’s Republic of China,Correspondence: Wentao Ni; Zhancheng Gao, Department of Pulmonary and Critical Care Medicine, Peking University People’s Hospital, Beijing, People’s Republic of China, Email ;
| | - Zhancheng Gao
- Department of Pulmonary and Critical Care Medicine, Peking University People’s Hospital, Beijing, People’s Republic of China
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15
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In vitro and in vivo efficacy of cefiderocol plus tigecycline, colistin, or meropenem against carbapenem-resistant Acinetobacter baumannii. Eur J Clin Microbiol Infect Dis 2022; 41:1451-1457. [PMID: 36201141 DOI: 10.1007/s10096-022-04503-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Accepted: 09/24/2022] [Indexed: 11/27/2022]
Abstract
We investigated activities of cefiderocol combination therapy against carbapenem-resistant Acinetobacter baumannii (CR-AB). A total of 123 clinical isolates of CR-AB, including 44 cefiderocol-resistant isolates were tested. Cefiderocol functioned synergistically with tigecycline in most cefiderocol-susceptible isolates (84.8%, 67/79), but not with colistin or meropenem by checkerboard method. Cefiderocol functioned synergistically with tigecycline, colistin, and meropenem in 90.9% (40/44), 47.7% (21/44), and 79.5% (35/44) cefiderocol-resistant isolates, respectively. The time-kill assay and the in vivo Galleria mellonella model confirmed these observations. In summary, cefiderocol combined with tigecycline showed synergistic effects against both cefiderocol-susceptible and -resistant CR-AB, suggesting a potentially valuable combination regimen.
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16
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Epidemiology, Mechanisms of Resistance and Treatment Algorithm for Infections Due to Carbapenem-Resistant Gram-Negative Bacteria: An Expert Panel Opinion. Antibiotics (Basel) 2022; 11:antibiotics11091263. [PMID: 36140042 PMCID: PMC9495208 DOI: 10.3390/antibiotics11091263] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Revised: 09/05/2022] [Accepted: 09/13/2022] [Indexed: 11/17/2022] Open
Abstract
Antimicrobial resistance represents a serious threat for global health, causing an unacceptable burden in terms of morbidity, mortality and healthcare costs. In particular, in 2017, carbapenem-resistant organisms were listed by the WHO among the group of pathogens for which novel treatment strategies are urgently needed. Fortunately, several drugs and combinations have been introduced in recent years to treat multi-drug-resistant (MDR) bacteria. However, a correct use of these molecules is needed to preserve their efficacy. In the present paper, we will provide an overview on the epidemiology and mechanisms of resistance of the most common MDR Gram-negative bacteria, proposing a treatment algorithm for the management of infections due to carbapenem-resistant bacteria based on the most recent clinical evidence.
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Colombo F, Waheed A, Panese S, Scarparo C, Solinas M, Parisi SG, Geremia N. Treatment with cefiderocol in K. pneumoniae KPC nosocomial external ventricular drainage meningitis: A brief report. LE INFEZIONI IN MEDICINA 2022; 30:454-458. [PMID: 36148162 PMCID: PMC9448310 DOI: 10.53854/liim-3003-15] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2022] [Accepted: 07/17/2022] [Indexed: 06/16/2023]
Abstract
We report the case of successful use of cefiderocol (FDC) in a Carbapenemase Producing K. pneumoniae (CPKP) post-surgical meningitis in a 44-year-old man treated with antimicrobial therapy and external ventricular drainage (EVD). The patient was known for being colonised by CPKP; for this reason, therapy with ceftazidime/avibactam (CZA) plus fosfomycin and linezolid was started. After an initial response a CZA resistant CPKP strain was isolated from CSF culture, so the antibiotic therapy was modified to FDC with trimethoprim/sulfamethoxazole for 14 days, and EVD was replaced. A complete recovery was obtained. This is the first case report describing FDC administration in CPKP meningitis.
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Affiliation(s)
- Francesco Colombo
- Department of Molecular Medicine, University of Padova, Padua, Italy
| | - Ali Waheed
- Department of Molecular Medicine, University of Padova, Padua, Italy
| | - Sandro Panese
- Unit of Infectious Diseases, Department of Clinical Medicine, Ospedale dell’Angelo, Venice, Italy
| | - Claudio Scarparo
- Unit of Microbiology and Virology, Ospedale dell’Angelo, Department of Medical Direction, Ospedale “dell’Angelo”, Venice, Italy
| | - Maria Solinas
- Unit of Microbiology and Virology, Ospedale dell’Angelo, Department of Medical Direction, Ospedale “dell’Angelo”, Venice, Italy
| | | | - Nicholas Geremia
- Unit of Infectious Diseases, Department of Clinical Medicine, Ospedale dell’Angelo, Venice, Italy
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