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Cerca | Lliura | Ajuda | Servei de Biblioteques | Sobre el DDD | Català English Español | |||||||||
| Pàgina inicial > Articles > Articles publicats > Development of thresholds and a visualization tool for use of a blood test in routine clinical dementia practice |
| Data: | 2024 |
| Resum: | INTRODUCTION: We developed a multimarker blood test result interpretation tool for the clinical dementia practice, including phosphorylated (P-)tau181, amyloid-beta (Abeta)42/40, glial fibrillary acidic protein (GFAP), and neurofilament light (NfL). METHODS: We measured the plasma biomarkers with Simoa (n = 1199), applied LASSO regression for biomarker selection and receiver operating characteristics (ROC) analyses to determine diagnostic accuracy. We validated our findings in two independent cohorts and constructed a visualization approach. RESULTS: P-tau181, GFAP, and NfL were selected. This combination had area under the curve (AUC) = 83% to identify amyloid positivity in pre-dementia stages, AUC = 87%-89% to differentiate Alzheimer's or controls from frontotemporal dementia, AUC = 74%-76% to differentiate Alzheimer's or controls from dementia with Lewy bodies. Highly reproducible AUCs were obtained in independent cohorts. The resulting visualization tool includes UpSet plots to visualize the stand-alone biomarker results and density plots to visualize the biomarker results combined. DISCUSSION: Our multimarker blood test interpretation tool is ready for testing in real-world clinical dementia settings. Highlights: We developed a multimarker blood test interpretation tool for clinical dementia practice. Our interpretation tool includes plasma biomarkers P-tau, GFAP, and NfL. Our tool is particularly useful for Alzheimer's and frontotemporal dementia diagnosis. |
| Ajuts: | Instituto de Salud Carlos III PI21/00791 Ministerio de Economía y Competitividad PI14/01126 Instituto de Salud Carlos III PI17/01019 Ministerio de Economía y Competitividad PI13/01532 Instituto de Salud Carlos III PI20/01473 Ministerio de Economía y Competitividad PI16/01825 Instituto de Salud Carlos III PI18/00335 Instituto de Salud Carlos III PI19/00882 Instituto de Salud Carlos III PI18/00435 Instituto de Salud Carlos III PI22/00611 Instituto de Salud Carlos III AC19/00103 Instituto de Salud Carlos III PI17/01896 Agència de Gestió d'Ajuts Universitaris i de Recerca 2017/SGR-547 |
| Drets: | Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, la comunicació pública de l'obra i la creació d'obres derivades, fins i tot amb finalitats comercials, sempre i quan es reconegui l'autoria de l'obra original. |
| Llengua: | Anglès |
| Document: | Article ; recerca ; Versió publicada |
| Publicat a: | Alzheimer's & dementia, Vol. 20 Núm. 9 (september 2024) , p. 6115-6132, ISSN 1552-5279 |
18 p, 1.5 MB |