PET Aβ positivity

1 paper1 finding

Humans1

Associations

1

pTau217

upin humans1

1 study

pTau217 predicts PET Aβ positivity in humans (AUC > 0.8).
“Ptau217 and ptau217/Aβ42 measured by both IPMS and SIMOA exhibited strong predictive accuracy for PET Aβ positivity (AUC > 0.8)”
Humanscognitively normal older adultsplasman = 91
Classification accuracies of plasma ptau217 vs. ptau217/Aβ1-42 for brain Aβ pathology in cognitively normal older adults
GeroScience6 Nov 2025

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AAIC 2025 Abstract7 Jan

Combining Lumipulse pTau217 and Aβ42 as confirmatory tests for Aβ pathology prior to DMT

Cohort study of 200 peopleAβ42

GeroScience6 Nov

Classification accuracies of plasma ptau217 vs. ptau217/Aβ1-42 for brain Aβ pathology in cognitively normal older adults

Cross-sectional study of 91 peoplepTau217