학술논문

Increasing participant diversity in AD research: Plans for digital screening, blood testing, and a community‐engaged approach in the Alzheimer's Disease Neuroimaging Initiative 4
Document Type
article
Source
Alzheimer's & Dementia. 19(1)
Subject
Biomedical and Clinical Sciences
Clinical Sciences
Alzheimer's Disease
Alzheimer's Disease including Alzheimer's Disease Related Dementias (AD/ADRD)
Acquired Cognitive Impairment
Neurosciences
Aging
Clinical Trials and Supportive Activities
Dementia
Biomedical Imaging
Brain Disorders
Clinical Research
Neurodegenerative
Detection
screening and diagnosis
4.5 Resources and infrastructure (detection)
4.1 Discovery and preclinical testing of markers and technologies
Neurological
Good Health and Well Being
Humans
Alzheimer Disease
Community Participation
Stakeholder Participation
Neuroimaging
Biomarkers
Cognitive Dysfunction
Amyloid beta-Peptides
Alzheimer's disease
amyloid
cerebrovascular disease
digital biomarkers
generalizability
mild cognitive impairment
plasma biomarkers
tau
underrepresented populations
Alzheimer's Disease Neuroimaging Initiative
Geriatrics
Clinical sciences
Biological psychology
Language
Abstract
IntroductionThe Alzheimer's Disease Neuroimaging Initiative (ADNI) aims to validate biomarkers for Alzheimer's disease (AD) clinical trials. To improve generalizability, ADNI4 aims to enroll 50-60% of its new participants from underrepresented populations (URPs) using new biofluid and digital technologies. ADNI4 has received funding from the National Institute on Aging beginning September 2022.MethodsADNI4 will recruit URPs using community-engaged approaches. An online portal will screen 20,000 participants, 4000 of whom (50-60% URPs) will be tested for plasma biomarkers and APOE. From this, 500 new participants will undergo in-clinic assessment joining 500 ADNI3 rollover participants. Remaining participants (∼3500) will undergo longitudinal plasma and digital cognitive testing. ADNI4 will add MRI sequences and new PET tracers. Project 1 will optimize biomarkers in AD clinical trials.Results and discussionADNI4 will improve generalizability of results, use remote digital and blood screening, and continue providing longitudinal clinical, biomarker, and autopsy data to investigators.