The Importance of Sleep Quality and the Blood-brain Barrier in Cognitive Disorders and Alzheimer's Disease
연구 개요
상세 설명
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.
연구 유형
연락처 및 위치
연구 장소
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Berlin, 독일, 10117
- Charité Universitätsmedizin Berlin
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참여기준
자격 기준
공부할 수 있는 나이
건강한 자원 봉사자를 받아들입니다
연구 대상 성별
샘플링 방법
연구 인구
설명
공부 계획
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디자인 세부사항
코호트 및 개입
그룹/코호트 |
개입 / 치료 |
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Mild cognitive impairment
Individuals who show deficits in neuropsychological test procedures but who do not exhibit substantial problems in daily life.
Those individuals are part of the DELCODE cohort and were initially recruited in a memory clinic.
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Diagnostic Test: Contrast agentenhanced MRI using Gadovist by using the contrast agent Gadovist we aim to visualize the blood-brain barrier.
Furthermore, we aim to measure a newly developed biomarker of the blood-brain barrier in the cerebro-spinal fluid.
And sleep quality measurement with a polysomnography.
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Dementia due to Alzheimer's disease
Individuals diagnosed with dementia due to Alzheimer's disease by relying on anamnesis, neuropsychological test results, results of MRI and biomarkers found in the cerebrospinal fluid.
Those individuals are part of the DELCODE cohort and were initially recruited in a memory clinic.
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Diagnostic Test: Contrast agentenhanced MRI using Gadovist by using the contrast agent Gadovist we aim to visualize the blood-brain barrier.
Furthermore, we aim to measure a newly developed biomarker of the blood-brain barrier in the cerebro-spinal fluid.
And sleep quality measurement with a polysomnography.
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Healthy controls
Healthy controls recruited through public advertisement.
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Diagnostic Test: Contrast agentenhanced MRI using Gadovist by using the contrast agent Gadovist we aim to visualize the blood-brain barrier.
Furthermore, we aim to measure a newly developed biomarker of the blood-brain barrier in the cerebro-spinal fluid.
And sleep quality measurement with a polysomnography.
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Siblings of people with Alzheimer's dementia
Siblings of people with Alzheimer's dementia recruited through public advertisement
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Diagnostic Test: Contrast agentenhanced MRI using Gadovist by using the contrast agent Gadovist we aim to visualize the blood-brain barrier.
Furthermore, we aim to measure a newly developed biomarker of the blood-brain barrier in the cerebro-spinal fluid.
And sleep quality measurement with a polysomnography.
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Subjective cognitive decline
Individuals who subjectively experience cognitive decline but do not show deficits in age-, sex- and education-normed neuropsychological test results.
Those individuals are part of the DELCODE cohort and were initially recruited in a memory clinic.
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Diagnostic Test: Contrast agentenhanced MRI using Gadovist by using the contrast agent Gadovist we aim to visualize the blood-brain barrier.
Furthermore, we aim to measure a newly developed biomarker of the blood-brain barrier in the cerebro-spinal fluid.
And sleep quality measurement with a polysomnography.
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연구는 무엇을 측정합니까?
주요 결과 측정
결과 측정 |
측정값 설명 |
기간 |
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Marker of blood-brain dysfunction using MRI
기간: 1 day
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Dynamic T1 contrast enhanced sequence using Gadovist
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1 day
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Markers of blood-brain dysfunction using CSF
기간: 1 day
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Platelet-derived growth factor receptor-β in CSF
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1 day
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Sleep quality measurement
기간: 2 day
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Polysomnography
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2 day
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공동 작업자 및 조사자
연구 기록 날짜
연구 주요 날짜
연구 시작 (실제)
기본 완료 (예상)
연구 완료 (예상)
연구 등록 날짜
최초 제출
QC 기준을 충족하는 최초 제출
처음 게시됨 (실제)
연구 기록 업데이트
마지막 업데이트 게시됨 (실제)
QC 기준을 충족하는 마지막 업데이트 제출
마지막으로 확인됨
추가 정보
이 정보는 변경 없이 clinicaltrials.gov 웹사이트에서 직접 가져온 것입니다. 귀하의 연구 세부 정보를 변경, 제거 또는 업데이트하도록 요청하는 경우 register@clinicaltrials.gov. 문의하십시오. 변경 사항이 clinicaltrials.gov에 구현되는 즉시 저희 웹사이트에도 자동으로 업데이트됩니다. .
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