B-272 Performance of CSF Alzheimer’s biomarker assays across two laboratories: agreement, variability, and clinical implications
Early and accurate diagnosis of Alzheimer’s disease (AD) is essential because disease modifying anti amyloid therapies are indicated for early symptomatic patients and require biomarker confirmation of amyloid pathology. Cerebrospinal fluid (CSF) biomarkers play a key clinical role, with the Aß42/Aß40 ratio showi...