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FDA Clears Novel Alzheimer's Blood Test
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Fusion42 · 21 August 2026 · Fusion42 review
The FDA has cleared PrecivityAD2, the first blood-based biomarker test for Alzheimer's disease diagnosis in adults as young as 40 exhibiting cognitive symptoms. The test measures plasma amyloid beta and tau peptide ratios and is intended to aid in diagnosing Alzheimer's disease as part of a clinical evaluation, not as a standalone screening tool.
This Wire brief sits within Fusion42's coverage of Digital Health.
◆ ◆ The Wire takeaway
You can now offer a clinically approved blood test for early Alzheimer's diagnosis to patients from age 40 with cognitive symptoms. This clearance opens a new path to accelerate patient triage and differentiate your services in dementia care.
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1 source · 21 Aug 2026
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