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Clinical Trial Summary

The aim of our study is the analysis of sleep phases and quality as well as the detection of respiratory pauses in subjects with cognitive disorder. To assess whether sleep quality is associated with the blood-brain barrier and Alzheimer's disease, which may be indicative of an early, non-invasively measurable change in brain activity in the early stages of Alzheimer's disease.


Clinical Trial Description

The aim of our study is the analysis of sleep phases and quality as well as the detection of respiratory pauses in subjects with cognitive disorder. To assess whether sleep quality is associated with the blood-brain barrier and Alzheimer's disease, which may be indicative of an early, non-invasively measurable change in brain activity in the early stages of Alzheimer's disease. Sleep quality impairment is a known risk factor for memory impairment. There is increasing evidence of a link between measurable sleep parameters, in particular a reduction of slow waves of deep sleep in cognitive deficits. Also, breathing pauses during sleep are associated with increased daytime sleepiness and cognitive impairment. This observational study is intended to establish a possible link between subjective memory disturbances and altered sleep quality or respiratory breaks during sleep. In the run-up to this study, they performed a special MRI scan of the head and a lumbar puncture (removal of nerve water) in a different context. The aim of this imaging study and the new biomarker in brain water was to investigate the function of the blood-brain barrier that occurs in Alzheimer's disease. The results of the studies on the quality of sleep should be evaluated in the context of this study in connection with the findings of the MRI examination and lumbar puncture. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT04096261
Study type Observational [Patient Registry]
Source Charite University, Berlin, Germany
Contact
Status Withdrawn
Phase
Start date September 12, 2019
Completion date December 31, 2019

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