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Pittet LF, Moore CL, McDonald E, Barry S, Bonten M, Campbell J, Croda J, Dalcolmo M, Davidson A, Douglas MW, Gardiner K, Gwee A, Jardim B, Lacerda MV, Lucas M, Lynn DJ, Manning L, de Oliveira RD, Perrett KP, Prat-Aymerich C, Richmond PC, Rocha JL, Rodriguez-Baño J, Warris A, Wood NJ, Messina NL, Curtis N. Bacillus Calmette-Guérin vaccination for protection against recurrent herpes labialis: a nested randomised controlled trial. EClinicalMedicine 2023; 64:102203. [PMID: 37719417 PMCID: PMC10500555 DOI: 10.1016/j.eclinm.2023.102203] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Revised: 08/08/2023] [Accepted: 08/21/2023] [Indexed: 09/19/2023] Open
Abstract
Background Recurrences of herpes simplex virus (HSV) in the orofacial region (herpes labialis or cold sores) impact quality-of-life. We aimed to study whether the bacille Calmette-Guérin (BCG) vaccine can attenuate cold sore recurrences through off-target immunomodulatory effects. Methods In this nested randomised controlled trial within the multicentre, phase 3 BRACE trial, 6828 healthcare workers were randomised in 36 sites in Australia, the Netherlands, Spain, the United Kingdom and Brazil, to receive BCG-Denmark or no BCG (1:1 ratio using a web-based procedure) and followed for 12 months with 3-monthly questionnaires. Exclusion criteria included contraindication to BCG vaccine or previous vaccination with BCG within the past year, any other live-attenuated vaccine within the last month, or any COVID-specific vaccine. The intervention group received one intradermal dose of 0.1 mL of BCG-Denmark corresponding to 2-8 x 105 colony forming units of Mycobacterium bovis, Danish strain 1331. The primary outcome was the difference in restricted mean survival time (i.e., time to first cold-sore recurrence), in participants with frequent recurrent herpes labialis (≥4 recurrences/year), analysed by intention-to-treat. Secondary outcomes addressed additional questions, including analyses in other sub-populations. Adverse events were monitored closely during the first 3 months and were reported in all participants who received one dose of study drug according to intervention received. The BRACE trial is registered with ClinicalTrials.gov, NCT04327206. Findings Between March 30, 2020 and February 18, 2021, 84 individuals with frequent recurrent cold sores were randomly assigned to BCG (n = 38) or control (n = 46). The average time to first cold-sore recurrence was 1.55 months longer in the BCG group (95% CI 0.27-2.82, p = 0.02) than the control group (hazard ratio 0.54, 95% CI 0.32-0.91; intention-to-treat). The beneficial effect of BCG was greater in the as-treated population (difference 1.91 months, 95% CI 0.69-3.12, p = 0.003; hazard ratio 0.45, 95% CI 0.26-0.76). In prespecified subgroup analyses, only sex modified the treatment effect (interaction p = 0.007), with benefit restricted to males. Over 12 months, a greater proportion of participants in the BCG group compared with the control group reported a decrease in duration (61% vs 21%), severity (74% vs 21%), frequency (55% vs 21%), and impact on quality of life (42% vs 15%) of cold sore recurrences. In participants who had ever had a cold sore, there was also a decrease in self-reported burden of recurrences in the BCG group. In participants who had never had a cold sore, there was an increased risk of a first episode in the BCG group (risk difference 1.4%; 95% CI 0.3-2.6%, p = 0.02). There were no safety concerns. Interpretation BCG-Denmark vaccination had a beneficial effect on herpes labialis, particularly in males with frequent recurrences, but may increase the risk of a first cold sore. Funding Bill & Melinda Gates Foundation, the Minderoo Foundation, Sarah and Lachlan Murdoch, the Royal Children's Hospital Foundation, Health Services Union NSW, the Peter Sowerby Foundation, SA Health, the Insurance Advisernet Foundation, the NAB Foundation, the Calvert-Jones Foundation, the Modara Pines Charitable Foundation, the UHG Foundation Pty Ltd, Epworth Healthcare, and individual donors.
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Affiliation(s)
- Laure F. Pittet
- Infectious Diseases Group, Murdoch Children's Research Institute, Parkville, Victoria, Australia
- Department of Paediatrics, The University of Melbourne, Parkville, Victoria, Australia
- Infectious Diseases, Royal Children's Hospital Melbourne, Parkville, Victoria, Australia
- Immunology, Vaccinology, and Infectious Diseases Unit, Department of Paediatrics, Gynaecology and Obsterics, Faculty of Medicine, University of Geneva and University Hospitals of Geneva, Geneva, Switzerland
| | - Cecilia L. Moore
- Department of Paediatrics, The University of Melbourne, Parkville, Victoria, Australia
- Clinical Epidemiology and Biostatistics Unit, Murdoch Children's Research Institute, Parkville, Victoria, Australia
- Melbourne Children's Trial Centre, Murdoch Children's Research Institute, Parkville, Victoria, Australia
| | - Ellie McDonald
- Infectious Diseases Group, Murdoch Children's Research Institute, Parkville, Victoria, Australia
| | - Simone Barry
- Precision Medicine Theme, South Australian Health and Medical Research Institute, Adelaide, South Australia, Australia
- Department of Thoracic Medicine, Royal Adelaide Hospital, Adelaide, South Australia, Australia
| | - Marc Bonten
- Julius Center for Health Sciences and Primary Care, University Medical Centre Utrecht, Utrecht University, the Netherlands
| | - John Campbell
- Exeter Collaboration for Academic Primary Care, University of Exeter Medical School, Exeter, United Kingdom
| | - Julio Croda
- Fiocruz Mato Grosso do Sul, Fundação Oswaldo Cruz, Campo Grande, Brazil
- Department of Epidemiology of Microbial Diseases, Yale School of Public Health, New Haven, CT, USA
- Universidade Federal de Mato Grosso do Sul, Campo Grande, Brazil
| | - Margareth Dalcolmo
- Helio Fraga Reference Center, Oswaldo Cruz Foundation Ministry of Health, Curicica, Brazil
- Catholic University, Rio de Janeiro, Brazil
| | - Andrew Davidson
- Melbourne Children's Trial Centre, Murdoch Children's Research Institute, Parkville, Victoria, Australia
| | - Mark W. Douglas
- Storr Liver Centre, The Westmead Institute for Medical Research, The University of Sydney, Westmead, New South Wales, Australia
- Centre for Infectious Diseases and Microbiology, Sydney Infectious Diseases Institute, The University of Sydney at Westmead Hospital, Westmead, New South Wales, Australia
| | - Kaya Gardiner
- Infectious Diseases Group, Murdoch Children's Research Institute, Parkville, Victoria, Australia
- Research Operations, The Royal Children's Hospital Melbourne, Parkville, Victoria, Australia
| | - Amanda Gwee
- Infectious Diseases Group, Murdoch Children's Research Institute, Parkville, Victoria, Australia
- Department of Paediatrics, The University of Melbourne, Parkville, Victoria, Australia
- Infectious Diseases, Royal Children's Hospital Melbourne, Parkville, Victoria, Australia
| | - Bruno Jardim
- Institute of Clinical Research Carlos Borborema, Doctor Heitor Vieira Dourado Tropical Medicine Foundation, Manaus, Brazil
| | - Marcus V.G. Lacerda
- Institute of Clinical Research Carlos Borborema, Doctor Heitor Vieira Dourado Tropical Medicine Foundation, Manaus, Brazil
- Instituto Leônidas & Maria Deane, Oswaldo Cruz Foundation Ministry of Health, Manaus, Brazil
- University of Texas Medical Branch, Galveston, TX, USA
| | - Michaela Lucas
- Department of Immunology, Pathwest, Queen Elizabeth II Medical Centre, Nedlands, Western Australia, Australia
- Department of Immunology, Sir Charles Gairdner Hospital, Nedlands, Western Australia, Australia
- Department of Immunology and General Paediatrics, Perth Children's Hospital, Nedlands, Western Australia, Australia
- School of Medicine, University of Western Australia, Perth, Western Australia, Australia
| | - David J. Lynn
- Precision Medicine Theme, South Australian Health and Medical Research Institute, Adelaide, South Australia, Australia
- Flinders Health and Medical Research Institute, Flinders University, Bedford Park, South Australia, Australia
| | - Laurens Manning
- School of Medicine, University of Western Australia, Perth, Western Australia, Australia
- Wesfarmers Centre for Vaccines and Infectious Diseases, Telethon Kids Institute, Nedlands, Western Australia, Australia
- Department of Infectious Diseases, Fiona Stanley Hospital, Murdoch, Western Australia, Australia
| | - Roberto D. de Oliveira
- Nursing Course, State University of Mato Grosso do Sul, Dourados, Brazil
- Graduate Program in Health Sciences, Federal University of Grande Dourados, Dourados, Brazil
| | - Kirsten P. Perrett
- Department of Paediatrics, The University of Melbourne, Parkville, Victoria, Australia
- Melbourne Children's Trial Centre, Murdoch Children's Research Institute, Parkville, Victoria, Australia
- Department of Allergy and Immunology, Royal Children's Hospital Melbourne, Parkville, Victoria, Australia
| | - Cristina Prat-Aymerich
- Julius Center for Health Sciences and Primary Care, University Medical Centre Utrecht, Utrecht University, the Netherlands
- Institut d'Investigació Germans Trias i Pujol, Departament de Genètica i Microbiologia, Universitat Autònoma de Barcelona, Centro de Investigación Biomédica en Red (CIBER) de Enfermedades Respiratorias, Instituto de Salud Carlos III, Barcelona, Spain
| | - Peter C. Richmond
- Department of Immunology and General Paediatrics, Perth Children's Hospital, Nedlands, Western Australia, Australia
- School of Medicine, University of Western Australia, Perth, Western Australia, Australia
- Wesfarmers Centre for Vaccines and Infectious Diseases, Telethon Kids Institute, Nedlands, Western Australia, Australia
| | - Jorge L. Rocha
- Helio Fraga Reference Center, Oswaldo Cruz Foundation Ministry of Health, Curicica, Brazil
| | - Jesus Rodriguez-Baño
- Division of Infectious Diseases and Microbiology, Department of Medicine, Hospital Universitario Virgen Macarena, University of Seville, Biomedicines Institute of Seville-Consejo Superior de Investigaciones Científicas, Seville, Spain
- CIBER de Enfermedades Infecciosas, Instituto de Salud Carloss III, Madrid, Spain
| | - Adilia Warris
- Medical Research Council Centre for Medical Mycology, University of Exeter, Exeter, United Kingdom
| | - Nicholas J. Wood
- Faculty of Medicine and Health, University of Sydney, Sydney, New South Wales, Australia
- Sydney Children's Hospital Network, Westmead, New South Wales, Australia
- National Centre for Immunisation Research and Surveillance of Vaccine Preventable Disease, Westmead, New South Wales, Australia
| | - Nicole L. Messina
- Infectious Diseases Group, Murdoch Children's Research Institute, Parkville, Victoria, Australia
- Department of Paediatrics, The University of Melbourne, Parkville, Victoria, Australia
| | - Nigel Curtis
- Infectious Diseases Group, Murdoch Children's Research Institute, Parkville, Victoria, Australia
- Department of Paediatrics, The University of Melbourne, Parkville, Victoria, Australia
- Infectious Diseases, Royal Children's Hospital Melbourne, Parkville, Victoria, Australia
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Moraru M, Black LE, Muntasell A, Portero F, López-Botet M, Reyburn HT, Pandey JP, Vilches C. NK Cell and Ig Interplay in Defense against Herpes Simplex Virus Type 1: Epistatic Interaction of CD16A and IgG1 Allotypes of Variable Affinities Modulates Antibody-Dependent Cellular Cytotoxicity and Susceptibility to Clinical Reactivation. THE JOURNAL OF IMMUNOLOGY 2015; 195:1676-84. [PMID: 26179905 DOI: 10.4049/jimmunol.1500872] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/13/2015] [Accepted: 06/18/2015] [Indexed: 11/19/2022]
Abstract
HSV-1 latently infects most humans, causing a variable clinical picture that depends, in part, on host genetic factors. Both IgG and its cellular FcRs, CD16A and CD32A-C (encoded by FCGR3A and FCGR2A-C, respectively, on chromosome 1), display polymorphisms that could affect their defensive function. Of potential relevance are a FCGR3A dimorphism resulting in CD16A-valine/phenylalanine-158 allotypes with different IgG affinity, variations conditioning NK cell expression of CD32B or CD32C, and IgG1 H chain (IGHG1) and kappa-chain (IGKC) polymorphisms determining allotypes designated G1m and Km. In this study, we assessed the contribution of Ig genetic variations and their interaction with FcR polymorphism to HSV-1 susceptibility, as well as their impact on NK cell-mediated Ab-dependent cellular cytotoxicity (ADCC). Our results show an epistatic interaction between IGHG1 and FCGR3A such that the higher affinity CD16A-158V/V genotype associates with an asymptomatic course of HSV-1 infection only in homozygotes for G1m3. Furthermore, CD16A-158V and G1m3 allotypes enhanced ADCC against opsonized HSV-1-infected fibroblasts. Conversely, Km allotypes and CD32B or CD32C expression on NK cells did not significantly influence HSV-1 susceptibility or ADCC. NK cells degranulating against immune serum-opsonized HSV-1-infected fibroblasts had heterogeneous phenotypes. Yet, enhanced ADCC was observed among NK cells showing a differentiated, memory-like phenotype (NKG2C(bright)NKG2A(-)CD57(+)FcRγ(-)), which expand in response to human CMV. These results extend our knowledge on the importance of immunogenetic polymorphisms and NK cell-Ab interplay in the host response against HSV-1 and point to the relevance of interactions between immune responses elicited during chronic coinfection by multiple herpesviruses.
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Affiliation(s)
- Manuela Moraru
- Inmunogenética e Histocompatibilidad, Instituto de Investigación Sanitaria Puerta de Hierro, 28222 Majadahonda, Madrid, Spain
| | - Laurel E Black
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC 29425
| | - Aura Muntasell
- Institut Hospital del Mar d'Investigaciones Médiques, 08002 Barcelona, Spain
| | - Francisca Portero
- Servicio de Microbiología, Instituto de Investigación Sanitaria Puerta de Hierro, 28222 Majadahonda, Madrid, Spain; and
| | - Miguel López-Botet
- Institut Hospital del Mar d'Investigaciones Médiques, 08002 Barcelona, Spain
| | - Hugh T Reyburn
- Centro Nacional de Biotecnología, Consejo Superior de Investigaciones Científicas, 28049 Madrid, Spain
| | - Janardan P Pandey
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC 29425
| | - Carlos Vilches
- Inmunogenética e Histocompatibilidad, Instituto de Investigación Sanitaria Puerta de Hierro, 28222 Majadahonda, Madrid, Spain;
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