Blood tests are a useful tool for diagnosing Alzheimer’s disease, but they have limitations in detecting the signs of neurodegeneration. However, a new blood test developed by a team of researchers from Sweden, Italy, the UK, and the US may change this. The test, which was recently described in the journal Brain, uses antibodies to detect brain-derived tau proteins specific to Alzheimer’s disease. In a study of 600 patients, the test was able to accurately distinguish Alzheimer’s disease from other neurodegenerative conditions. This development could potentially improve the accuracy and reliability of diagnosing Alzheimer’s disease and selecting participants for clinical trials and disease monitoring.
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