ArticleJournal of neurology2025
Plasma p-tau212 identifies cognitively unimpaired individuals with emerging amyloid-β pathology.
Article in Journal of neurology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
2 citing papers in PubMed.
- Tau368 improves p-tau diagnostic accuracy for FTLD-tau from FTLD-TDP.Acta neuropathologica · 2026Article
- Blood-Based Biomarkers Predict Differential Longitudinal Decline in Alzheimer's Disease Psychosis: Evidence from Two Cohorts.medRxiv : the preprint server for health sciences · 2026Article
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Authors and funding
13 authors.
Funding
Abstract
Plasma phosphorylated-tau (p-tau) biomarkers show high performance as first-in-line tests in the evaluation of patients with cognitive symptoms and have also found utility in clinical trials for anti-amyloid drug therapies for Alzheimer's disease (AD). Plasma p-tau212 is a novel blood biomarker that can discriminate cognitively unimpaired (CU) and subjective cognitive decline patients from mild cognitive impairment (MCI)-AD and AD dementia patients in clinical cohorts. Using Simoa technology, we evaluated plasma p-tau212 for its ability to detect emerging amyloid-beta (Aβ) pathology in CU individuals with brain amyloidosis from CSF Aβ42/40 ratio (n = 317) or Aβ PET scans (n = 277). We benchmarked plasma p-tau212 against p-tau181, p-tau217, and p-tau231 by comparing their accuracies and fold changes for detecting brain amyloidosis. Our results showed that all the plasma p-tau biomarkers are increased in the CU CSF Aβ + participants, with the highest median fold change observed for plasma p-tau212. Discrimination performance of the biomarkers to differentiate amyloid PET-positive from amyloid PET-negative participants differed between plasma p-tau biomarkers, being higher for plasma p-tau217 and p-tau212 compared to plasma p-tau181 and p-tau231. Furthermore, plasma p-tau212 was elevated in participants with low Aβ burden (CSF Aβ-positive, amyloid PET-negative), supporting its potential as a cost-effective, easily implemented biomarker for trial recruitment in early stages. Its further increase in Aβ PET-positive participants suggests additional utility for monitoring anti-amyloid therapies.
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Registered trials
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