ArticleAlzheimer's research & therapy2026
The potential of key Alzheimer's plasma biomarkers to mimic tau PET MUBADA-based disease staging.
Article in Alzheimer's research & therapy, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundPatients with Alzheimer's disease (AD) with a low to intermediate tau-PET burden might benefit most from anti-amyloid treatment. Staging tau burden with plasma biomarkers would offer a scalable alternative to staging with tau-PET. This study investigated whether key plasma biomarkers P-tau217, P-tau181, Aβ42/40, GFAP and NfL can be used to accurately stage amyloid status (A-/A+) and tau-PET burden, and evaluated the relation of such a plasma-based staging system with cognitive outcomes over time.
methodsWe included 105 participants with subjective cognitive decline (n = 27 A-, n = 18 A+), A+ mild cognitive impairment (n = 10) or A + AD-dementia (n = 50) from the Amsterdam Dementia Cohort who underwent [
results27 participants were A-T
conclusionsPerformance of plasma-based staging approaches developed in this study were high when discriminating individuals without amyloid pathology, while this was moderate when discriminating amyloid positive individuals with a high tau-PET burden. Our LMM findings visualize that tau staging in amyloid-positive individuals remains optimally performed with tau-PET scans.
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