A systematic review on malaria and Tuberculosis (TB) vaccine challenges in sub-Saharan African clinical trials.

<h4>Objective</h4>For more than a century, developing novel and effective vaccines against malaria and Tuberculosis (TB) infections has been a challenge. This review sought to investigate the reasons for the slow progress of malaria and TB vaccine candidates in sub-Saharan African clinic...

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Main Authors: Maonezi Abas Hamisi, Nur Ain Mohd Asri, Aini Syahida Mat Yassim, Rapeah Suppian
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2025-01-01
Series:PLoS ONE
Online Access:https://doi.org/10.1371/journal.pone.0317233
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author Maonezi Abas Hamisi
Nur Ain Mohd Asri
Aini Syahida Mat Yassim
Rapeah Suppian
author_facet Maonezi Abas Hamisi
Nur Ain Mohd Asri
Aini Syahida Mat Yassim
Rapeah Suppian
author_sort Maonezi Abas Hamisi
collection DOAJ
description <h4>Objective</h4>For more than a century, developing novel and effective vaccines against malaria and Tuberculosis (TB) infections has been a challenge. This review sought to investigate the reasons for the slow progress of malaria and TB vaccine candidates in sub-Saharan African clinical trials.<h4>Methods</h4>The systematic review protocol was registered on PROSPERO on July 26, 2023 (CRD42023445166). The research articles related to the immunogenicity, efficacy, or safety of malaria or TB vaccines that were published between January 1, 2012, and August 31, 2023, were searched on three databases: Web of Science (WoS), PubMed, and ClinicalTrials.gov.<h4>Results</h4>A total of 2342 articles were obtained, 50 of which met the inclusion criteria. 28 (56%) articles reported on malaria vaccine attributes, while 22 (44%) articles reported on TB vaccines. In both cases, the major challenges in sub-Saharan African clinical trials were immunogenicity and efficacy, rather than safety.<h4>Conclusion</h4>Factors such as population characteristics, pathogen genetic diversity, vaccine nature, strategy, and formulation were associated with slow progress of the malaria and TB vaccine candidates in sub-Saharan African clinical trials.
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spelling doaj-art-5fdebeb2d02c4a9b9612555f9208c2a22025-02-05T05:32:13ZengPublic Library of Science (PLoS)PLoS ONE1932-62032025-01-01201e031723310.1371/journal.pone.0317233A systematic review on malaria and Tuberculosis (TB) vaccine challenges in sub-Saharan African clinical trials.Maonezi Abas HamisiNur Ain Mohd AsriAini Syahida Mat YassimRapeah Suppian<h4>Objective</h4>For more than a century, developing novel and effective vaccines against malaria and Tuberculosis (TB) infections has been a challenge. This review sought to investigate the reasons for the slow progress of malaria and TB vaccine candidates in sub-Saharan African clinical trials.<h4>Methods</h4>The systematic review protocol was registered on PROSPERO on July 26, 2023 (CRD42023445166). The research articles related to the immunogenicity, efficacy, or safety of malaria or TB vaccines that were published between January 1, 2012, and August 31, 2023, were searched on three databases: Web of Science (WoS), PubMed, and ClinicalTrials.gov.<h4>Results</h4>A total of 2342 articles were obtained, 50 of which met the inclusion criteria. 28 (56%) articles reported on malaria vaccine attributes, while 22 (44%) articles reported on TB vaccines. In both cases, the major challenges in sub-Saharan African clinical trials were immunogenicity and efficacy, rather than safety.<h4>Conclusion</h4>Factors such as population characteristics, pathogen genetic diversity, vaccine nature, strategy, and formulation were associated with slow progress of the malaria and TB vaccine candidates in sub-Saharan African clinical trials.https://doi.org/10.1371/journal.pone.0317233
spellingShingle Maonezi Abas Hamisi
Nur Ain Mohd Asri
Aini Syahida Mat Yassim
Rapeah Suppian
A systematic review on malaria and Tuberculosis (TB) vaccine challenges in sub-Saharan African clinical trials.
PLoS ONE
title A systematic review on malaria and Tuberculosis (TB) vaccine challenges in sub-Saharan African clinical trials.
title_full A systematic review on malaria and Tuberculosis (TB) vaccine challenges in sub-Saharan African clinical trials.
title_fullStr A systematic review on malaria and Tuberculosis (TB) vaccine challenges in sub-Saharan African clinical trials.
title_full_unstemmed A systematic review on malaria and Tuberculosis (TB) vaccine challenges in sub-Saharan African clinical trials.
title_short A systematic review on malaria and Tuberculosis (TB) vaccine challenges in sub-Saharan African clinical trials.
title_sort systematic review on malaria and tuberculosis tb vaccine challenges in sub saharan african clinical trials
url https://doi.org/10.1371/journal.pone.0317233
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