Blood Test Able to Predict Alzheimer’s Disease Decades Before Symptoms? (BBC News / Neurology)


Research published in the Neurology journal claims a significant breakthrough in the development of a blood test (for plasma Aβ42/Aβ40) which may be able to predict Alzheimer’s Disease onset with 94% accuracy.

Due caution:

“But it’s important to note this isn’t a blood test for dementia – it tells us that amyloid deposits are in the brain, which are a hallmark of Alzheimer’s Disease but are also found in healthy older people too.”

Full Text Link


Alzheimer’s blood test ‘one step closer’. London: BBC Health News, August 2nd 2019.

This relates to:

Full Text Link (Note: This article requires a suitable Athens password, a journal subscription or payment for access).


Schindler, SE. Bollinger, JG. [and] Ovod, V. [et al] (2019). High-precision plasma β-amyloid 42/40 predicts current and future brain amyloidosis. Neurology. August 1st 2019.

“Plasma Aβ42/Aβ40 could be used in prevention trials to screen for individuals likely to be amyloid PET-positive and at risk for Alzheimer disease dementia”.

About Dementia and Elderly Care News

Dementia and Elderly Care News. Wolverhampton Medical Institute: WMI. (jh)
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