The blood test is designed to detect a phosphorylated tau 217 (pTau 217), a common marker of Alzheimer’s disease, through a low-invasive and accessible process.
According to Heather Nelson, PhD, medical director of Clinical Chemistry at ARUP, new disease-modifying therapies have created a need for early diagnosis of Alzheimer’s disease.
Conventional testing procedures often require a “spinal tap,” in which a needle is inserted into the lower spine to retrieve fluid for testing. Nelson says the pTau 217 blood test is much less invasive, requiring just plasma from a normal blood draw.
According to an ARUP spokesperson, the best way for patients to access a pTau 217 blood test is through their doctors.
Alzheimer’s disease is the most common cause of dementia, according to the Alzheimer’s Association.
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