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Conexiant chevron_right Neurology chevron_right Blood Biomarkers Conditionally Recommended for Alzheimers Diagnosis
Conference News Alzheimer’s Association International Conference (AAIC) 2024

New Guidelines Recommend Blood-Based Biomarkers in Alzheimer's Dx

"The panel urges clinicians to consider the pretest probability of AD pathology for each patient when deciding whether or not to use a BBM test,” and not as a standalone diagnostic tool.

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5 Key Takeaways

  • 1

    New guidelines recommend blood-based biomarkers for diagnosing Alzheimer's disease in patients with cognitive impairment.

  • 2

    The guidelines specify minimum performance thresholds for blood-based biomarkers to be used as triaging or confirmatory tests.

  • 3

    A comprehensive clinical evaluation is required before obtaining blood-based biomarker tests, which should not be used alone.

  • 4

    The systematic review evaluated 31 blood-based biomarkers, with diagnostic accuracy varying widely across tests.

  • 5

    Many commercially available blood-based biomarkers did not meet the recommended performance levels for Alzheimer's diagnosis.

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