- ICH GCP
- 미국 임상 시험 레지스트리
- 임상시험 NCT02616679
Cognitive Detection of Preclinical AD: Validation Using Biomarkers
연구 개요
상태
정황
상세 설명
Biomarkers, such as amyloid deposition, and Hipp volume loss, and low Aβ and high pTau in CSF, are useful for identifying cognitively normal (CN) elderly who are likely have early AD pathology ("preclinical AD"). However, they are invasive and/or expensive. The goal of the current study is to develop and validate cognitive proxies of AD biomarkers by using cognitive tasks that are dependent on brain regions impaired by very early AD pathology. If successful, these tasks will provide a non-invasive and cost-effective way to identify and track change in CN individuals at high risk for progressing to mild cognitive impairment (MCI) and dementia stages of AD and thus will facilitate future prevention trials in pAD.
Subjects will attend three study visits. During the first study visit, subjects will have eligibility criteria confirmed, have a blood sample drawn, and complete about half of the cognitive tasks. The second visit, which will occur within one week of visit one, will involve completion of the remaining cognitive tasks. Subjects will also be asked to have a PET-CT scan during visit three (to occur within 3 months of visits 1 and 2).
연구 유형
등록 (실제)
연락처 및 위치
연구 장소
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New York
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New York, New York, 미국, 10016
- NYU Langone Medical Center
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참여기준
자격 기준
공부할 수 있는 나이
건강한 자원 봉사자를 받아들입니다
연구 대상 성별
샘플링 방법
연구 인구
설명
Inclusion Criteria:
- Prior enrollment as a participant in the NYU Alzheimer's Disease Center (ADC) and completion of the ADC Clinical Evaluation within the past year.
- Clinical diagnosis of "cognitively normal" or "amnestic mild cognitive impairment" based on recent (within 1 year) consensus meeting cross-referenced with standard neuropsychological scores.
- Normal or corrected-to-normal vision and hearing (able to see images on computer screen and hear auditory events delivered through the computer speaker).
Exclusion Criteria:
- Significant history of mental illness, drug or alcohol abuse; severe trauma preventing normal use of dominant hand (needed to move the mouse cursor); clinical depression (unless medically controlled); other neurologic conditions (i.e. stroke), or learning disability; ophthalmologic/visual problems that prevent viewing a computer screen at a normal distance (such as legal blindness, detached retinas, occlusive cataracts).
- Lack of capacity to give informed consent and no legally authorized representative to provide consent.
- Having pacemakers, aneurysm clips, cochlear implants, or metal/foreign objects in body and therefore, unable to receive MRI.
- Pregnancy, breastfeeding or planning to have a baby.
공부 계획
연구는 어떻게 설계됩니까?
디자인 세부사항
- 관찰 모델: 보병대
- 시간 관점: 단면
코호트 및 개입
그룹/코호트 |
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Cognitively Normal
Participants will be deemed cognitively normal based on criteria set forth by the National Alzheimer's Disease Coordinating Center/Alzheimer's Disease Centers (ADCC/ADC).
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Amnestic Mild Cognitive Impairment (aMCI)
Participants will be deemed aMCI based on criteria set forth by the National Alzheimer's Disease Coordinating Center/Alzheimer's Disease Centers (ADCC/ADC).
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연구는 무엇을 측정합니까?
주요 결과 측정
결과 측정 |
측정값 설명 |
기간 |
|---|---|---|
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Correlation of composite score on cognitive tests with biomarkers
기간: 3 months
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The overall score on the cognitive tests will be correlated via a linear regression with biomarker data collected during the study.
Each biomarker will be regressed individually.
Biomarker data includes: MRI hippocampus (hipp) volume, entorhinal cortex (EC) volume, EC standard uptake value ratios (SUVRs), Hipp SUVR, precuneus (PCu) SUVR, PET-[18F] Flutemetamol SUVR, CSF Aβ and tau levels, levels of diffusion tensor imaging mean diffusivity, and levels of fractional anisotropy.
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3 months
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2차 결과 측정
결과 측정 |
기간 |
|---|---|
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Presence of ApoE allele
기간: 3 months
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3 months
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공동 작업자 및 조사자
수사관
- 수석 연구원: Martin Sadowski, PhD, NYU Langone Medical Center
연구 기록 날짜
연구 주요 날짜
연구 시작 (실제)
기본 완료 (실제)
연구 완료 (실제)
연구 등록 날짜
최초 제출
QC 기준을 충족하는 최초 제출
처음 게시됨 (추정)
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. .