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Abitbol V, Martinón-Torres F, Taha MK, Nolan T, Muzzi A, Bambini S, Borrow R, Toneatto D, Serino L, Rappuoli R, Pizza M. 4CMenB journey to the 10-year anniversary and beyond. Hum Vaccin Immunother 2024; 20:2357924. [PMID: 38976659 PMCID: PMC11232649 DOI: 10.1080/21645515.2024.2357924] [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: 10/19/2023] [Accepted: 05/17/2024] [Indexed: 07/10/2024] Open
Abstract
The 4-component meningococcal serogroup B (MenB) vaccine, 4CMenB, the first broadly protective, protein-based MenB vaccine to be licensed, is now registered in more than 50 countries worldwide. Real-world evidence (RWE) from the last decade confirms its effectiveness and impact, with infant immunization programs showing vaccine effectiveness of 71-95% against invasive MenB disease and cross-protection against non-B serogroups, including a 69% decrease in serogroup W cases in 4CMenB-eligible cohorts in England. RWE from different countries also demonstrates the potential for additional moderate protection against gonorrhea in adolescents. The real-world safety profile of 4CMenB is consistent with prelicensure reports. Use of the endogenous complement human serum bactericidal antibody (enc-hSBA) assay against 110 MenB strains may enable assessment of the immunological effectiveness of multicomponent MenB vaccines in clinical trial settings. Equitable access to 4CMenB vaccination is required to better protect all age groups, including older adults, and vulnerable groups through comprehensive immunization policies.
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Affiliation(s)
| | - Federico Martinón-Torres
- Genetics, Vaccines and Infections Research Group (GENVIP), Instituto de Investigación Sanitaria de Santiago and Universidad de, Santiago de Compostela, Spain
- Translational Pediatrics and Infectious Diseases, Pediatrics Department, Hospital Clínico Universitario de Santiago, Santiago de Compostela, Spain
- Consorcio Centro de Investigación Biomédica en Red de Enfermedades Respiratorias (CIBERES), Instituto de Salud Carlos III, Madrid, Spain
| | - Muhamed-Kheir Taha
- Institut Pasteur, Université Paris Cité, Invasive Bacterial Infections Unit, National Reference Center for Meningococci and Haemophilus influenzae, Paris, France
| | - Terry Nolan
- Peter Doherty Institute for Infection & Immunity at University of Melbourne and Murdoch Children's Research Institute, Melbourne, Australia
| | | | | | - Ray Borrow
- Meningococcal Reference Unit, UK Health Security Agency, Manchester, UK
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Wang L, Yang H, Xia L, Song Q, Liu N, Zhang G, Wang F, Wang H. A Scoping Review of Real-World Study in Vaccine Evaluation. China CDC Wkly 2024; 6:357-362. [PMID: 38736465 PMCID: PMC11082051 DOI: 10.46234/ccdcw2024.067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2023] [Accepted: 01/22/2024] [Indexed: 05/14/2024] Open
Affiliation(s)
- Lei Wang
- National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases (NITFID), Beijing, China
- National Immunization Program, Chinese Center for Disease Control and Prevention, Beijing, China.
| | - Hong Yang
- National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases (NITFID), Beijing, China
- National Immunization Program, Chinese Center for Disease Control and Prevention, Beijing, China.
| | - Lanfang Xia
- National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases (NITFID), Beijing, China
- National Immunization Program, Chinese Center for Disease Control and Prevention, Beijing, China.
| | - Quanwei Song
- National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases (NITFID), Beijing, China
- National Immunization Program, Chinese Center for Disease Control and Prevention, Beijing, China.
| | - Na Liu
- National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases (NITFID), Beijing, China
- National Immunization Program, Chinese Center for Disease Control and Prevention, Beijing, China.
| | - Guomin Zhang
- National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases (NITFID), Beijing, China
- National Immunization Program, Chinese Center for Disease Control and Prevention, Beijing, China.
| | - Fuzhen Wang
- National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases (NITFID), Beijing, China
- National Immunization Program, Chinese Center for Disease Control and Prevention, Beijing, China.
| | - Huaqing Wang
- National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases (NITFID), Beijing, China
- National Immunization Program, Chinese Center for Disease Control and Prevention, Beijing, China.
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Nguyen PNT, Thai PQ, Dien TM, Hai DT, Dai VTT, Luan NH, Mathur G, Badur S, Truyen DM, Le Minh NH. 4CMenB Vaccination to Prevent Meningococcal B Disease in Vietnam: Expert Review and Opinion. Infect Dis Ther 2024; 13:423-437. [PMID: 38430327 DOI: 10.1007/s40121-023-00905-y] [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: 10/19/2023] [Accepted: 12/13/2023] [Indexed: 03/03/2024] Open
Abstract
An advisory board meeting was held with experts in Vietnam (Hanoi, August 2022), to review the evidence on invasive meningococcal disease (IMD) epidemiology, clinical management, and meningococcal vaccines to reach a consensus on recommendations for meningococcal vaccination in Vietnam. IMD is a severe disease, with the highest burden in infants and children. IMD presents as meningitis and/or meningococcemia and can progress extremely rapidly. Almost 90% of deaths in children occur within the first 24 h, and disabling sequelae (e.g., limb amputations and neurological damage) occur in up to 20% of survivors. IMD patients are often hospitalized late, due to mild and nonspecific early symptoms and misdiagnosis. Difficulties related to diagnosis and antibiotic misuse mean that the number of reported IMD cases in Vietnam is likely to be underestimated. Serogroup B IMD is predominant in many regions of the world, including Vietnam, where 82% of IMD cases were due to serogroup B (surveillance data from 2012 to 2021). Four component meningococcal B vaccine (4CMenB) is used in many countries (and is part of the pediatric National Immunization Program in 13 countries), with infant vaccination starting from two months of age, and a 2 + 1 dosing schedule. Experts recommend 4CMenB vaccination as soon as possible in Vietnam, starting from two months of age, with a 2 + 1 dosing schedule, and at least completing one dose before 6 months of age.
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Affiliation(s)
- Phung Nguyen The Nguyen
- Pediatrics Department, University of Medicine and Pharmacy at Ho Chi Minh City, Ho Chi Minh City, Vietnam
| | - Pham Quang Thai
- Communicable Diseases Control and Prevention Department, National Institute of Hygiene and Epidemiology, Hanoi, Vietnam
| | | | - Do Thien Hai
- Center for Tropical Diseases, National Pediatric Hospital, Hanoi, Vietnam
| | - Vo Thi Trang Dai
- Respiratory Microbiology Bacteria Laboratory, Department of Immunology and Microbiology, the Pasteur Institute in Ho Chi Minh City, Ho Chi Minh City, Vietnam
| | - Nguyen Huy Luan
- Immunization Unit of University of Medicine and Pharmacy Hospital, Pediatrics Department, University of Medicine and Pharmacy at Ho Chi Minh City, Ho Chi Minh City, Vietnam
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Villena R, Safadi MA, Gentile Á, Pujadas M, De la Maza V, George S, Torres JP. Epidemiology of Meningococcal Disease in Four South American Countries and Rationale of Vaccination in Adolescents from the Region: Position Paper of the Latin American Society of Pediatric Infectious Diseases (SLIPE). Vaccines (Basel) 2023; 11:1841. [PMID: 38140244 PMCID: PMC10748232 DOI: 10.3390/vaccines11121841] [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: 10/11/2023] [Revised: 11/07/2023] [Accepted: 11/11/2023] [Indexed: 12/24/2023] Open
Abstract
Surveillance of meningococcal disease (MD) is crucial after the implementation of vaccination strategies to monitor their impact on disease burden. Adolescent vaccination could provide direct and indirect protection. Argentina, Brazil, and Chile have introduced meningococcal conjugate vaccines (MCV) into their National Immunization Programs (NIP), while Uruguay has not. Here, we analyze the epidemiology of MD and vaccination experience from these four South American countries to identify needs and plans to improve the current vaccination programs. METHODOLOGY Descriptive study of MD incidence rates, serogroup distribution, case fatality rates (CFR), and MCV uptakes during the period 2010-2021 in Argentina, Brazil, Chile, and Uruguay. Data were extracted from national surveillance programs, reference laboratories, NIPs, and Pubmed. RESULTS MD overall incidence from 2010 to 2021 have a decreasing trend in Argentina (0.37 [IQR = 0.20-0.61]), Brazil (0.59 [IQR = 0.54-1.22]), and Chile (0.45 [IQR = 0.40-0.77]), while a significant increase in Uruguay (0.47 [IQR = 0.33-0.69]) was found from 2016 to 2019. During the COVID-19 pandemic, all countries sharply reduced their MD incidence. The highest incidence rates were observed among infants, followed by children 1-4 years of age. No second peak was evident in adolescents. A reduction in serogroup C, W, and Y cases has occurred in Argentina, Brazil, and Chile after introduction of MCV, serogroup B becoming predominant in all four countries. Median CFR was 9.0%, 21%, 19.9%, and 17.9% in Argentina, Brazil, Chile, and Uruguay, respectively. Median uptake of MCV for Argentina and Brazil were 66.6% and 91.0% for priming in infants; 54.7% and 84.5% for booster in toddlers; and 47.5% and 53% for adolescents; while for Chile, 95.6% for toddlers. CONCLUSIONS Experience after the implementation of MCV programs in South America was successful, reducing the burden of MD due to the vaccine serogroups. High vaccine uptake and the inclusion of adolescents will be crucial in the post-pandemic period to maintain the protection of the population. The increase in the proportion of serogroup B cases emphasizes the importance of continuous surveillance to guide future vaccination strategies.
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Affiliation(s)
- Rodolfo Villena
- Department of Pediatrics, Hospital de Niños Exequiel González Cortés, Faculty of Medicine, Universidad de Chile, Santiago 8900085, Chile;
| | - Marco Aurelio Safadi
- Department of Pediatrics, School of Medical Sciences, Santa Casa de Sao Paulo, Sao Paulo 01224-001, Brazil;
| | - Ángela Gentile
- Department of Epidemiology, Hospital de Niños Ricardo Gutierrez, Faculty of Medicine, Universidad de Buenos Aires, Ciudad Autónoma de Buenos Aires C1121, Argentina;
| | - Mónica Pujadas
- Department of Epidemiology and Pediatrics Infectious Diseases, Hospital Pereira Rossell, Faculty of Medicine, University of the Republic, Montevideo 11400, Uruguay;
| | - Verónica De la Maza
- Department of Pediatrics, Hospital Dr. Luis Calvo Mackenna, Faculty of Medicine, Universidad de Chile, Santiago 7500539, Chile; (V.D.l.M.); (S.G.)
| | - Sergio George
- Department of Pediatrics, Hospital Dr. Luis Calvo Mackenna, Faculty of Medicine, Universidad de Chile, Santiago 7500539, Chile; (V.D.l.M.); (S.G.)
| | - Juan Pablo Torres
- Department of Pediatrics, Hospital Dr. Luis Calvo Mackenna, Faculty of Medicine, Universidad de Chile, Santiago 7500539, Chile; (V.D.l.M.); (S.G.)
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Abitbol V, Sohn WY, Horn M, Safadi MAP. Safety and immunogenicity of co-administered meningococcal serogroup B (4CMenB) vaccine: A literature review. Hum Vaccin Immunother 2023; 19:2245705. [PMID: 37642229 PMCID: PMC10467517 DOI: 10.1080/21645515.2023.2245705] [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: 05/05/2023] [Revised: 07/17/2023] [Accepted: 07/28/2023] [Indexed: 08/31/2023] Open
Abstract
The four-component meningococcal serogroup B vaccine (4CMenB) is indicated for the prevention of invasive meningococcal disease (IMD) caused by Neisseria meningitidis serogroup B. Co-administering 4CMenB with other vaccines may improve vaccine uptake provided that the safety and immunogenicity of either are not affected. Published literature on the immunogenicity and reactogenicity of 4CMenB co-administered with other routine childhood and adulthood vaccines was reviewed. From 282 publications identified, data were collated from 10 clinical studies, 3 real-world studies, and 3 reviews. The evidence showed that 4CMenB co-administration is not associated with significant safety concerns or clinically relevant immunological interferences. The increased reactogenicity (e.g., fever) associated with 4CMenB co-administration can be adequately managed with prophylactic paracetamol in children. Thus, 4CMenB co-administration has the potential to maximize vaccine coverage and improve protection against IMD globally.
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Affiliation(s)
| | | | | | - Marco Aurelio P. Safadi
- Department of Pediatrics, Santa Casa de Sao Paulo School of Medical Sciences, Sao Paulo, Brazil
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Bogner JR. Welcome to our new Section Editors. Infection 2023; 51:555-556. [PMID: 37067757 PMCID: PMC10108778 DOI: 10.1007/s15010-023-02026-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/18/2023]
Affiliation(s)
- Johannes R Bogner
- Sektion Klinische Infektiologie, Med. Klinik und Poliklinik IV, Klinikum der Universität München, Pettenkoferstr. 8a, 80336, Munich, Germany.
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Product review on the IMD serogroup B vaccine Bexsero®. Hum Vaccin Immunother 2022; 18:2020043. [PMID: 35192786 PMCID: PMC8986181 DOI: 10.1080/21645515.2021.2020043] [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] [Indexed: 11/16/2022] Open
Abstract
Bexsero® is a multicomponent vaccine composed of four major proteins of Neisseria meningitidis: the fHbp, NHBA, NadA and PorA. This vaccine was licensed against invasive meningococcal disease (IMD) due to serogroup B isolates. When administered alone, Bexsero® showed a safety profile similar to other childhood vaccines. It provides an excellent immunogenicity but that requires booster doses in infants and young children. Although the vaccine does not seem to impact on acquisition of carriage of serogroup B isolates, it confers protection against isolates of serogroup B harboring distinct but cross-reactive variants of fHbp, NadA and NHBA. Primary vaccination schemes in infancy underwent a rapid increase after a toddler booster suggesting an anamnestic response and the establishment of a memory response. As Bexsero® targets sub-capsular proteins that can be conserved regardless the capsule, the vaccine can be effective against non-B isolates such as isolates of serogroups W and X.
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Sohn WY, Tahrat H, Novy P, Bekkat-Berkani R. Real-world implementation of 4-component meningococcal serogroup B vaccine (4CMenB): implications for clinical practices. Expert Rev Vaccines 2022; 21:325-335. [DOI: 10.1080/14760584.2022.2021881] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Knuf M, Tenenbaum T. Meningokokkenimpfstoffe. Monatsschr Kinderheilkd 2021. [DOI: 10.1007/s00112-021-01320-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Martinón-Torres F, Banzhoff A, Azzari C, De Wals P, Marlow R, Marshall H, Pizza M, Rappuoli R, Bekkat-Berkani R. Recent advances in meningococcal B disease prevention: real-world evidence from 4CMenB vaccination. J Infect 2021; 83:17-26. [PMID: 33933528 DOI: 10.1016/j.jinf.2021.04.031] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Revised: 04/23/2021] [Accepted: 04/25/2021] [Indexed: 01/23/2023]
Abstract
OBJECTIVES 4CMenB is a broadly protective vaccine against invasive meningococcal capsular group B disease (MenB IMD). Licensed worldwide based on immunogenicity and safety data, effectiveness and impact data are now available. We comprehensively reviewed all available real-world evidence gathered from use of 4CMenB since licensure. RESULTS Data from 7 countries provide evidence of effectiveness and impact across different healthcare settings and age-groups, including national/regional immunization programs, observational studies and outbreak control. At least 2 4CMenB doses reduced MenB IMD by 50%-100% in 2-month to 20-year-olds depending on length of follow-up. Estimates of vaccine effectiveness in fully vaccinated cohorts ranged from 59%-100%. The safety profile of 4CMenB administered in real-world settings was consistent with pre-licensure clinical trial data. CONCLUSION MenB IMD is an uncommon but life-threatening disease with unpredictable epidemiology. The substantial body of data demonstrating 4CMenB effectiveness and impact supports its use in IMD prevention. The results reinforce the importance of direct protection of the highest risk groups; infants/young children and adolescents. Direct protection via routine infant immunization with catch-up in young children and routine adolescent vaccination could be the preferred option for MenB disease control. A Video Abstract linked to this article is available on Figshare: https://doi.org/10.6084/m9.figshare.14546790.
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Affiliation(s)
- Federico Martinón-Torres
- Hospital Clínico Universitario de Santiago de Compostela and University of Santiago, A Choupana, s/n, 15706 Santiago de Compostela, Spain
| | | | - Chiara Azzari
- University of Florence, Dipartimento di Scienze della Salute, Florence, Italy
| | - Philippe De Wals
- Department of Social and Preventive Medicine, Laval University, Division of Biological Risks and Occupational Health, Quebec National Public Health Institute (Direction des risques biologiques et de la santé au travail, Institut national de santé publique du Québec), and Quebec University Hospital Research Centre, Quebec City, Canada
| | - Robin Marlow
- Bristol Medical School, University of Bristol, Bristol, BS8* 2PS, United Kingdom
| | - Helen Marshall
- VIRTU, Women's and Children's Health Network & Robinson Research Institute and Adelaide Medical School, The University of Adelaide, Adelaide, Australia
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