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Feasibility and validity of using self-collected capillary blood using Tasso+ for measuring Alzheimer's Disease plasma-based biomarkers among underrepresented populations

2026-02-03 geriatric medicine Title + abstract only
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BackgroundBlood-based biomarkers offer a scalable alternative to cerebrospinal fluid and PET imaging for Alzheimers disease (AD) detection, yet traditional venipuncture limits participation among rural and socioeconomically disadvantaged populations. Self-collection using the Tasso+ capillary device could reduce access barriers, but its feasibility and validity for AD plasma biomarkers remain uncertain, particularly with real-world delays prior to processing. MethodsAdults aged 45-90 years from...

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