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Sauvat L, Verhoeven PO, Gagnaire J, Berthelot P, Paul S, Botelho-Nevers E, Gagneux-Brunon A. Vaccines and monoclonal antibodies to prevent healthcare-associated bacterial infections. Clin Microbiol Rev 2024:e0016022. [PMID: 39120140 DOI: 10.1128/cmr.00160-22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/10/2024] Open
Abstract
SUMMARYHealthcare-associated infections (HAIs) represent a burden for public health with a high prevalence and high death rates associated with them. Pathogens with a high potential for antimicrobial resistance, such as ESKAPE pathogens (Enterococcus faecium, Staphylococcus aureus, Klebsiella pneumoniae, Acinetobacter baumannii, Pseudomonas aeruginosa, and Enterobacter species) and Clostridioides difficile, are responsible for most HAIs. Despite the implementation of infection prevention and control intervention, globally, HAIs prevalence is stable and they are mainly due to endogenous pathogens. It is undeniable that complementary to infection prevention and control measures, prophylactic approaches by active or passive immunization are needed. Specific groups at-risk (elderly people, chronic condition as immunocompromised) and also healthcare workers are key targets. Medical procedures and specific interventions are known to be at risk of HAIs, in addition to hospital environmental exposure. Vaccines or monoclonal antibodies can be seen as attractive preventive approaches for HAIs. In this review, we present an overview of the vaccines and monoclonal antibodies in clinical development for prevention of the major bacterial HAIs pathogens. Based on the current state of knowledge, we look at the challenges and future perspectives to improve prevention by these means.
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Affiliation(s)
- Léo Sauvat
- CIRI - Centre International de Recherche en Infectiologie, GIMAP team, Inserm, U1111, CNRS, UMR5308, ENS Lyon, Université Claude Bernard Lyon 1, Lyon, France
- Faculty of Medicine, Université Jean Monnet St-Etienne, St-Etienne, France
- Infection Control Unit, University Hospital of Saint-Etienne, Saint-Etienne, France
- Department of Infectious Diseases, University Hospital of Saint-Etienne, Saint-Etienne, France
| | - Paul O Verhoeven
- CIRI - Centre International de Recherche en Infectiologie, GIMAP team, Inserm, U1111, CNRS, UMR5308, ENS Lyon, Université Claude Bernard Lyon 1, Lyon, France
- Faculty of Medicine, Université Jean Monnet St-Etienne, St-Etienne, France
- Department of Infectious Agents and Hygiene, University-Hospital of Saint-Etienne, Saint-Etienne, France
| | - Julie Gagnaire
- Infection Control Unit, University Hospital of Saint-Etienne, Saint-Etienne, France
- Department of Infectious Diseases, University Hospital of Saint-Etienne, Saint-Etienne, France
| | - Philippe Berthelot
- CIRI - Centre International de Recherche en Infectiologie, GIMAP team, Inserm, U1111, CNRS, UMR5308, ENS Lyon, Université Claude Bernard Lyon 1, Lyon, France
- Faculty of Medicine, Université Jean Monnet St-Etienne, St-Etienne, France
- Infection Control Unit, University Hospital of Saint-Etienne, Saint-Etienne, France
- Department of Infectious Diseases, University Hospital of Saint-Etienne, Saint-Etienne, France
| | - Stéphane Paul
- CIRI - Centre International de Recherche en Infectiologie, GIMAP team, Inserm, U1111, CNRS, UMR5308, ENS Lyon, Université Claude Bernard Lyon 1, Lyon, France
- Faculty of Medicine, Université Jean Monnet St-Etienne, St-Etienne, France
- CIC 1408 Inserm, Axe vaccinologie, University Hospital of Saint-Etienne, Saint-Etienne, France
| | - Elisabeth Botelho-Nevers
- CIRI - Centre International de Recherche en Infectiologie, GIMAP team, Inserm, U1111, CNRS, UMR5308, ENS Lyon, Université Claude Bernard Lyon 1, Lyon, France
- Faculty of Medicine, Université Jean Monnet St-Etienne, St-Etienne, France
- Department of Infectious Diseases, University Hospital of Saint-Etienne, Saint-Etienne, France
- CIC 1408 Inserm, Axe vaccinologie, University Hospital of Saint-Etienne, Saint-Etienne, France
| | - Amandine Gagneux-Brunon
- CIRI - Centre International de Recherche en Infectiologie, GIMAP team, Inserm, U1111, CNRS, UMR5308, ENS Lyon, Université Claude Bernard Lyon 1, Lyon, France
- Faculty of Medicine, Université Jean Monnet St-Etienne, St-Etienne, France
- Department of Infectious Diseases, University Hospital of Saint-Etienne, Saint-Etienne, France
- CIC 1408 Inserm, Axe vaccinologie, University Hospital of Saint-Etienne, Saint-Etienne, France
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Lin J, Suo J, Bao B, Wei H, Gao T, Zhu H, Zheng X. Efficacy of EDTA-NS irrigation in eradicating Staphylococcus aureus biofilm-associated infection. Bone Joint Res 2024; 13:40-51. [PMID: 38198810 PMCID: PMC10781521 DOI: 10.1302/2046-3758.131.bjr-2023-0141.r1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/12/2024] Open
Abstract
Aims To investigate the efficacy of ethylenediaminetetraacetic acid-normal saline (EDTA-NS) in dispersing biofilms and reducing bacterial infections. Methods EDTA-NS solutions were irrigated at different durations (1, 5, 10, and 30 minutes) and concentrations (1, 2, 5, 10, and 50 mM) to disrupt Staphylococcus aureus biofilms on Matrigel-coated glass and two materials widely used in orthopaedic implants (Ti-6Al-4V and highly cross-linked polyethylene (HXLPE)). To assess the efficacy of biofilm dispersion, crystal violet staining biofilm assay and colony counting after sonification and culturing were performed. The results were further confirmed and visualized by confocal laser scanning microscopy (CLSM) and scanning electron microscopy (SEM). We then investigated the efficacies of EDTA-NS irrigation in vivo in rat and pig models of biofilm-associated infection. Results When 10 mM or higher EDTA-NS concentrations were used for ten minutes, over 99% of S. aureus biofilm formed on all three types of materials was eradicated in terms of absorbance measured at 595 nm and colony-forming units (CFUs) after culturing. Consistently, SEM and CSLM scanning demonstrated that less adherence of S. aureus could be observed on all three types of materials after 10 mM EDTA-NS irrigation for ten minutes. In the rat model, compared with NS irrigation combined with rifampin (Ti-6Al-4V wire-implanted rats: 60% bacteria survived; HXLPE particle-implanted rats: 63.3% bacteria survived), EDTA-NS irrigation combined with rifampin produced the highest removal rate (Ti-6Al-4V wire-implanted rats: 3.33% bacteria survived; HXLPE particle-implanted rats: 6.67% bacteria survived). In the pig model, compared with NS irrigation combined with rifampin (Ti-6Al-4V plates: 75% bacteria survived; HXLPE bearings: 87.5% bacteria survived), we observed a similar level of biofilm disruption on Ti-6Al-4V plates (25% bacteria survived) and HXLPE bearings (37.5% bacteria survived) after EDTA-NS irrigation combined with rifampin. The in vivo study revealed that the biomass of S. aureus biofilm was significantly reduced when treated with rifampin following irrigation and debridement, as indicated by both the biofilm bacterial burden and crystal violet staining. EDTA-NS irrigation (10 mM/10 min) combined with rifampin effectively removes S. aureus biofilm-associated infections both in vitro and in vivo. Conclusion EDTA-NS irrigation with or without antibiotics is effective in eradicating S. aureus biofilm-associated infection both ex and in vivo.
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Affiliation(s)
- Junqing Lin
- Department of Orthopaedic Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
- National Center for Orthopaedics, Shanghai, China
| | - Jinlong Suo
- Department of Orthopaedic Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
- National Center for Orthopaedics, Shanghai, China
| | - Bingbo Bao
- Department of Orthopaedic Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
- National Center for Orthopaedics, Shanghai, China
| | - Haifeng Wei
- Department of Orthopaedic Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
- National Center for Orthopaedics, Shanghai, China
| | - Tao Gao
- Department of Orthopaedic Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
- National Center for Orthopaedics, Shanghai, China
| | - Hongyi Zhu
- Department of Orthopaedic Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
- National Center for Orthopaedics, Shanghai, China
| | - Xianyou Zheng
- Department of Orthopaedic Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
- National Center for Orthopaedics, Shanghai, China
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Amandine GB, Gagnaire J, Pelissier C, Philippe B, Elisabeth BN. Vaccines for healthcare associated infections without vaccine prevention to date. Vaccine X 2022; 11:100168. [PMID: 35600984 PMCID: PMC9118472 DOI: 10.1016/j.jvacx.2022.100168] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Revised: 03/28/2022] [Accepted: 04/25/2022] [Indexed: 11/28/2022] Open
Abstract
In spite of the widespread implementation of preventive strategies, the prevalence of healthcare-associated infections (HAIs) remains high. The prevalence of multidrug resistant organisms is high in HAIs. In 2019, the World Health Organization retained antimicrobial resistance as one of the ten issues for global health. The development of vaccines may contribute to the fight against antimicrobial resistance to reduce the burden of HAIs. Staphylococcus aureus, Gram negative bacteria and Clostridium difficile are the most frequent pathogens reported in HAIs. Consequently, the development of vaccines against these pathogens is crucial. At this stage, the goal of obtaining effective vaccines against S.aureus and Gram negative bacteria has not yet been achieved. However, we can expect in the near future availability of a vaccine against C. difficile. In addition, identifying populations who may benefit from these vaccines is complex, as at-risk patients are not great responders to vaccines, or as vaccination may occur too late, when they are already confronted to the risk. Vaccinating healthcare workers (HCWs) against these pathogens may have an impact only if HCWs play a role in the transmission and in the pathogens acquisition in patients, if the vaccine is effective to reduce pathogens carriage and if vaccine coverage is sufficient to protect patients. Acceptance of these potential vaccines should be evaluated and addressed in patients and in HCWs.
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Affiliation(s)
- Gagneux-Brunon Amandine
- Inserm, CIC 1408, I-REIVAC, University Hospital of Saint-Etienne, 42055 Saint-Etienne, France.,CIRI - Centre International de Recherche en Infectiologie, Team GIMAP, Univ Lyon, Université Jean Monnet, Université Claude Bernard Lyon 1, Inserm, U1111, CNRS, UMR530, F42023 Saint-Etienne, France.,Department of Infectious Diseases, University Hospital of Saint-Etienne, 42055 Saint-Etienne, France
| | - Julie Gagnaire
- Department of Infectious Diseases, University Hospital of Saint-Etienne, 42055 Saint-Etienne, France.,Infection Control Unit, University Hospital of Saint-Etienne, 42055 Saint-Etienne, France
| | - Carole Pelissier
- Occupational Health Department, University Hospital of Saint-Etienne, 42055 Saint-Etienne, France
| | - Berthelot Philippe
- CIRI - Centre International de Recherche en Infectiologie, Team GIMAP, Univ Lyon, Université Jean Monnet, Université Claude Bernard Lyon 1, Inserm, U1111, CNRS, UMR530, F42023 Saint-Etienne, France.,Department of Infectious Diseases, University Hospital of Saint-Etienne, 42055 Saint-Etienne, France.,Infection Control Unit, University Hospital of Saint-Etienne, 42055 Saint-Etienne, France
| | - Botelho-Nevers Elisabeth
- Inserm, CIC 1408, I-REIVAC, University Hospital of Saint-Etienne, 42055 Saint-Etienne, France.,CIRI - Centre International de Recherche en Infectiologie, Team GIMAP, Univ Lyon, Université Jean Monnet, Université Claude Bernard Lyon 1, Inserm, U1111, CNRS, UMR530, F42023 Saint-Etienne, France.,Department of Infectious Diseases, University Hospital of Saint-Etienne, 42055 Saint-Etienne, France
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Millar EV, Bennett JW, Barin B, Carey PM, Law NN, English CE, Schwartz MM, Cochrane T, Ellis MW, Tribble DR, Timothy Cooke M, Hennessey JP. Safety, immunogenicity, and efficacy of NDV-3A against Staphylococcus aureus colonization: A phase 2 vaccine trial among US Army Infantry trainees. Vaccine 2021; 39:3179-3188. [PMID: 33962841 PMCID: PMC10430023 DOI: 10.1016/j.vaccine.2021.04.031] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Revised: 04/14/2021] [Accepted: 04/16/2021] [Indexed: 01/01/2023]
Abstract
BACKGROUND Military trainees are at increased risk for Staphylococcus aureus colonization and infection. Disease prevention strategies are needed, but a S. aureus vaccine does not currently exist. METHODS We enrolled US Army Infantry trainees (Fort Benning, GA) in a phase 2, randomized, double-blind, placebo-controlled trial of NDV-3A, a vaccine containing a recombinant adhesin/invasion protein of Candida albicans that has structural similarity to the S. aureus protein clumping factor A. Study participants received one intramuscular dose of NDV-3A or placebo (adjuvant alone) within 72 h of arrival on base. Longitudinal nasal and oral (throat) swabs were collected throughout the 14-week Infantry training cycle. Safety, immunogenicity, and efficacy of NDV-3A against S. aureus nasal / oral acquisition were the endpoints. RESULTS The NDV-3A candidate had minimal reactogenicity and elicited robust antigen-specific B- and T-cell responses. During the 56-day post-vaccination period, there was no difference in the incidence of S. aureus nasal acquisition between those who were randomized to receive NDV-3A vs. placebo (25.6% vs. 29.1%; vaccine efficacy [VE]: 12.1%; p = 0.31). In time-to-event analysis, there was no difference between study groups with respect to the S. aureus colonization-free interval (VE: 13%; p = 0.29). Similarly, the efficacy of NDV-3A against S. aureus oral acquisition was poor (VE: 2.4%; p = 0.52). CONCLUSIONS A single dose of NDV-3A did not prevent nasal nor oral acquisition of S. aureus in a population of military trainees at high risk for colonization.
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Affiliation(s)
- Eugene V Millar
- Infectious Disease Clinical Research Program, Department of Preventive Medicine and Biostatistics, Uniformed Services University of the Health Sciences, Bethesda, MD, United States; Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, MD, United States.
| | - Jason W Bennett
- Walter Reed Army Institute of Research, Silver Spring, MD, United States
| | - Burc Barin
- The Emmes Company, Rockville, MD, United States
| | - Patrick M Carey
- Benning Martin Army Community Hospital, Fort Benning, GA, United States
| | - Natasha N Law
- Infectious Disease Clinical Research Program, Department of Preventive Medicine and Biostatistics, Uniformed Services University of the Health Sciences, Bethesda, MD, United States; Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, MD, United States; Benning Martin Army Community Hospital, Fort Benning, GA, United States
| | - Caroline E English
- Infectious Disease Clinical Research Program, Department of Preventive Medicine and Biostatistics, Uniformed Services University of the Health Sciences, Bethesda, MD, United States; Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, MD, United States
| | | | | | - Michael W Ellis
- University of Toledo Medical Center, Toledo, OH, United States
| | - David R Tribble
- Infectious Disease Clinical Research Program, Department of Preventive Medicine and Biostatistics, Uniformed Services University of the Health Sciences, Bethesda, MD, United States
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