Therapeutic Vaccines for Tuberculosis: An Overview

Tuberculosis (TB), caused by Mycobacterium tuberculosis is the world’s deadliest bacterial infection, resulting in more than 1.4 million deaths annually. The emergence of drug-resistance to first-line antibiotic therapy poses a threat to successful treatment, and novel therapeutic options are requir...

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Main Authors: Rania Bouzeyen, Babak Javid
Format: Article
Language:English
Published: Frontiers Media S.A. 2022-06-01
Series:Frontiers in Immunology
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fimmu.2022.878471/full
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author Rania Bouzeyen
Babak Javid
author_facet Rania Bouzeyen
Babak Javid
author_sort Rania Bouzeyen
collection DOAJ
description Tuberculosis (TB), caused by Mycobacterium tuberculosis is the world’s deadliest bacterial infection, resulting in more than 1.4 million deaths annually. The emergence of drug-resistance to first-line antibiotic therapy poses a threat to successful treatment, and novel therapeutic options are required, particularly for drug-resistant tuberculosis. One modality emerging for TB treatment is therapeutic vaccination. As opposed to preventative vaccination – the aim of which is to prevent getting infected by M. tuberculosis or developing active tuberculosis, the purpose of therapeutic vaccination is as adjunctive treatment of TB or to prevent relapse following cure. Several candidate therapeutic vaccines, using killed whole-cell or live attenuated mycobacteria, mycobacterial fragments and viral vectored vaccines are in current clinical trials. Other modes of passive immunization, including monoclonal antibodies directed against M. tuberculosis antigens are in various pre-clinical stages of development. Here, we will discuss these various therapeutics and their proposed mechanisms of action. Although the full clinical utility of therapeutic vaccination for the treatment of tuberculosis is yet to be established, they hold potential as useful adjunct therapies.
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spelling doaj.art-ce9e1c56ac1a4f44829f1f0cf4c53cf32022-12-22T03:32:11ZengFrontiers Media S.A.Frontiers in Immunology1664-32242022-06-011310.3389/fimmu.2022.878471878471Therapeutic Vaccines for Tuberculosis: An OverviewRania BouzeyenBabak JavidTuberculosis (TB), caused by Mycobacterium tuberculosis is the world’s deadliest bacterial infection, resulting in more than 1.4 million deaths annually. The emergence of drug-resistance to first-line antibiotic therapy poses a threat to successful treatment, and novel therapeutic options are required, particularly for drug-resistant tuberculosis. One modality emerging for TB treatment is therapeutic vaccination. As opposed to preventative vaccination – the aim of which is to prevent getting infected by M. tuberculosis or developing active tuberculosis, the purpose of therapeutic vaccination is as adjunctive treatment of TB or to prevent relapse following cure. Several candidate therapeutic vaccines, using killed whole-cell or live attenuated mycobacteria, mycobacterial fragments and viral vectored vaccines are in current clinical trials. Other modes of passive immunization, including monoclonal antibodies directed against M. tuberculosis antigens are in various pre-clinical stages of development. Here, we will discuss these various therapeutics and their proposed mechanisms of action. Although the full clinical utility of therapeutic vaccination for the treatment of tuberculosis is yet to be established, they hold potential as useful adjunct therapies.https://www.frontiersin.org/articles/10.3389/fimmu.2022.878471/fulltuberculosismycobacteriumtherapeutic vaccinesprevention of recurrencemonoclonal antibodymRNA vaccine
spellingShingle Rania Bouzeyen
Babak Javid
Therapeutic Vaccines for Tuberculosis: An Overview
Frontiers in Immunology
tuberculosis
mycobacterium
therapeutic vaccines
prevention of recurrence
monoclonal antibody
mRNA vaccine
title Therapeutic Vaccines for Tuberculosis: An Overview
title_full Therapeutic Vaccines for Tuberculosis: An Overview
title_fullStr Therapeutic Vaccines for Tuberculosis: An Overview
title_full_unstemmed Therapeutic Vaccines for Tuberculosis: An Overview
title_short Therapeutic Vaccines for Tuberculosis: An Overview
title_sort therapeutic vaccines for tuberculosis an overview
topic tuberculosis
mycobacterium
therapeutic vaccines
prevention of recurrence
monoclonal antibody
mRNA vaccine
url https://www.frontiersin.org/articles/10.3389/fimmu.2022.878471/full
work_keys_str_mv AT raniabouzeyen therapeuticvaccinesfortuberculosisanoverview
AT babakjavid therapeuticvaccinesfortuberculosisanoverview