Universidad Peruana Cayetano Heredia

Whole Blood Mycobacterial Growth Assays for Assessing Human Tuberculosis Susceptibility: A Systematic Review and Meta-Analysis

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dc.contributor.author Bok, Jeroen
dc.contributor.author Hofland, Regina W.
dc.contributor.author Evans, Carlton Anthony William
dc.date.accessioned 2021-06-08T15:46:15Z
dc.date.available 2021-06-08T15:46:15Z
dc.date.issued 2021
dc.identifier.uri https://hdl.handle.net/20.500.12866/9518
dc.description.abstract BACKGROUND: Whole blood mycobacterial growth assays (WBMGA) quantify mycobacterial growth in fresh blood samples and may have potential for assessing tuberculosis vaccines and identifying individuals at risk of tuberculosis. We evaluated the evidence for the underlying assumption that in vitro WBMGA results can predict in vivo tuberculosis susceptibility. METHODS: A systematic search was done for studies assessing associations between WBMGA results and tuberculosis susceptibility. Meta-analyses were performed for eligible studies by calculating population-weighted averages. RESULTS: No studies directly assessed whether WBMGA results predicted tuberculosis susceptibility. 15 studies assessed associations between WBMGA results and proven correlates of tuberculosis susceptibility, which we divided in two categories. Firstly, WBMGA associations with factors believed to reduce tuberculosis susceptibility were statistically significant in all eight studies of: BCG vaccination; vitamin D supplementation; altitude; and HIV-negativity/therapy. Secondly, WBMGA associations with probable correlates of tuberculosis susceptibility were statistically significant in three studies of tuberculosis disease, in a parasitism study and in two of the five studies of latent tuberculosis infection. Meta-analyses for associations between WBMGA results and BCG vaccination, tuberculosis infection, tuberculosis disease and HIV infection revealed consistent effects. There was considerable methodological heterogeneity. CONCLUSIONS: The study results generally showed significant associations between WBMGA results and correlates of tuberculosis susceptibility. However, no study directly assessed whether WBMGA results predicted actual susceptibility to tuberculosis infection or disease. We recommend optimization and standardization of WBMGA methodology and prospective studies to determine whether WBMGA predict susceptibility to tuberculosis disease en_US
dc.language.iso eng
dc.publisher Frontiers Media
dc.relation.ispartofseries Frontiers in Immunology
dc.rights info:eu-repo/semantics/restrictedAccess
dc.rights.uri https://creativecommons.org/licenses/by-nc-nd/4.0/deed.es
dc.subject risk en_US
dc.subject tuberculosis en_US
dc.subject MGIA en_US
dc.subject mycobacterial growth assay en_US
dc.subject mycobacterial growth inhibition assay en_US
dc.subject susceptibility en_US
dc.title Whole Blood Mycobacterial Growth Assays for Assessing Human Tuberculosis Susceptibility: A Systematic Review and Meta-Analysis en_US
dc.type info:eu-repo/semantics/review
dc.identifier.doi https://doi.org/10.3389/fimmu.2021.641082
dc.subject.ocde https://purl.org/pe-repo/ocde/ford#3.01.03
dc.relation.issn 1664-3224


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