Host biomarker-based quantitative rapid tests for detection and treatment monitoring of tuberculosis and COVID-19

Pierneef, L.; Hooij, A. van; Jong, D. de; Fat, E.M.T.K.; Meijgaarden, K.E. van; Petruccioli, E.; Vanini, V.; Roukens, A.H.E.; Goletti, D.; Corstjens, P.L.A.M.; Joosten, S.A.; Geluk, A.; BEAT COVID Study Grp

doi:doi:10.1016/j.isci.2022.105873

Diagnostic services for tuberculosis (TB) are not sufficiently accessible in low-resource settings, where most cases occur, which was aggravated by the COVID-19 pandemic. Early diagnosis of pulmonary TB can reduce transmission. Current TB-diagnostics rely on detection of Mycobacterium tuberculosis (Mtb) in sputum requiring costly, time-consuming methods, and trained staff. In this study, quantitative lateral flow (LF) assays were used to measure levels of seven host proteins in sera from pre-COVID-19 TB patients diagnosed in Europe and latently Mtb-infected individuals (LTBI), and from COVID-19 patients and healthy controls. Analysis of host proteins showed significantly lower levels in LTBI versus TB (AUC:0 center dot 94) and discriminated healthy individuals from COVID-19 patients (0 center dot 99) and severe COVID-19 from TB. Importantly, these host proteins allowed treatment monitoring of both respiratory diseases. This study demonstrates the potential of non-sputum LF assays as...Show moreDiagnostic services for tuberculosis (TB) are not sufficiently accessible in low-resource settings, where most cases occur, which was aggravated by the COVID-19 pandemic. Early diagnosis of pulmonary TB can reduce transmission. Current TB-diagnostics rely on detection of Mycobacterium tuberculosis (Mtb) in sputum requiring costly, time-consuming methods, and trained staff. In this study, quantitative lateral flow (LF) assays were used to measure levels of seven host proteins in sera from pre-COVID-19 TB patients diagnosed in Europe and latently Mtb-infected individuals (LTBI), and from COVID-19 patients and healthy controls. Analysis of host proteins showed significantly lower levels in LTBI versus TB (AUC:0 center dot 94) and discriminated healthy individuals from COVID-19 patients (0 center dot 99) and severe COVID-19 from TB. Importantly, these host proteins allowed treatment monitoring of both respiratory diseases. This study demonstrates the potential of non-sputum LF assays as adjunct diagnostics and treatment moni-toring for COVID-19 and TB based on quantitative detection of multiple host biomarkers.Show less

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Host biomarker-based quantitative rapid tests for detection and treatment monitoring of tuberculosis and COVID-19