Novel mTOR blood tests for dementia
Unique technology seeks to identify earliest signs of Alzheimer’s disease
The two studies will obtain samples from patients in Europe and in the United States. One study will identify mTOR dysregulation in well-characterized patients who are either cognitively normal or who have been diagnosed with probable Alzheimer’s disease, Fronto-temporal Lobe Dementia (FTLD) or Dementia with Lewy bodies (DLB).
The other study will evaluate the performance of the assay platform in patients with mild cognitive impairment assessing the relationship between the assay output (mTOR dysregulation) and the presence or absence, using Positron Emission Tomography (PET) imaging, of amyloid plaques in the brain, a hallmark pathology of Alzheimer’s disease. First results are expected toward the end of this year.
Blood samples from up to 370 patients will be obtained in clinical centers of excellence across the European Union and in the United States and sent for analysis by Cytox’s laboratory in Manchester, UK. Samples in the United States are being collected in a recently established partnership between Cytox and Selah Genomics of Greenville, South Carolina.
Commenting on the start of the clinical programme, one of the study investigators, Professor Bruno Dubois of the Neurological Institute of the Salpétrière University Hospital in Paris, France, said that, “While we are making real progress in identifying biomarkers of established disease, there is still a need for the earliest possible signal that dementia is a risk in individual patients. If we see a relationship between assessment of the mTOR pathway and clinical outcome with this assay platform, such information could help research and eventually better patient management.”
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