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Clinical Trial Summary

This a study to improve diagnosis of dementia with Lewy bodies with RT-QuIC in different biospecimens.


Clinical Trial Description

Background. The number of persons living with dementia is increasing in Denmark and worldwide because the population is generally growing older. Dementia with Lewy bodies (DLB) is the second most prevalent etiology among the neurodegenerative diseases that give rise to dementia. DLB is characterized by many prodromal symptoms years before dementia is evident. Currently, little is known about the course of symptoms in the prodromal phase, and furthermore, the diagnosis of DLB can be clinically challenging, especially in the early stages. A novel technique for the measurement of misfolded alpha-synuclein (aSyn) is Real-Time Quaking-Induced Conversion (RT-QuIC), which may be able to support the diagnostic process. Objective: Determining which biospecimen alone or in conjunction with other biospecimens can most accurately discriminate patients with DLB from Alzheimer's disease (AD) assessed by RT-QuIC for aSyn. Design: Cross-sectional case-control study of the diagnostic accuracy of pathological alpha-synuclein assessed by RT-QuIC in different biospecimens (CSF, skin, olfactory mucosa, saliva, feces, and urine) from patients with DLB versus AD. Patients will also be scored with tests for cognitive function, dysautonomia, and movement disorders. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT05768425
Study type Observational
Source Danish Dementia Research Centre
Contact
Status Active, not recruiting
Phase
Start date February 1, 2023
Completion date December 2032

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