Mayo Clinic has announced a new, non-invasive blood test that detects a protein in the brain that signals Alzheimer’s. Doctors discuss how it offers a convenient, less invasive diagnostic alternative.
With nearly seven million Americans currently living with Alzheimer’s disease — and 13 million projected to have the illness by 2050 — early diagnosis and treatment are more urgent than ever. To help address this, Mayo Clinic has announced a new, non-invasive blood test that detects a protein in the brain that signals Alzheimer’s. The goal, doctors say, is for this test to offer a convenient, less invasive alternative to traditional diagnostic methods.
Accumulation of beta amyloid in the brain can also be evaluated by imaging techniques, such as PET scans or cerebrospinal fluid biomarkers, the doctor noted — but those methods have some limitations. 'The PET scan to evaluate beta amyloid is expensive and not a widely available technology,' said Algeciras-Schimnich. 'And the CSF collection requires an invasive technique to remove spinal fluid, so it is also not widely used.
The test has been validated at Mayo Clinic through a rigorous quality process backed by scientific experts and clinicians,' Algeciras-Schimnich said. The test is currently available for clinicians to order through Mayo Clinic Laboratories. 'Since it is a blood test, it requires a blood draw by a phlebotomist, so anyone who is averse to blood should be aware,' said Algeciras-Schimnich.
We don’t yet have enough data to support how the test performs in younger individuals,' Algeciras-Schimnich said. Michelle Rankine, PhD, a certified dementia practitioner in Texas, is not associated with Mayo Clinic but shared her comments on the test’s potential. 'As the global burden of Alzheimer’s continues to rise, a blood-based test not only offers convenience, but could help transform Alzheimer’s disease research,' Rankine told Fox News Digital.
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