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Effect of Lutein, Zeaxanthin, and Meso-Zeaxanthin Supplementation on Skin Carotenoid Concentration: A Six-Month, Placebo-Controlled Crossover Study
To compare skin carotenoid scores over 12 weeks of individuals randomized to placebo or MacuHealth and comparing that to a 12 week crossover evaluation.
Study of Adapted Exercise and Mindfulness Interventions to Improve Motor Function and Sleep Quality in Individuals with Neurodegenerative Disease
The primary goal of this study is to address the need for targeted therapeutic interventions for impairments that impact walking in related neurodegenerative d…
100-Year Human Aging Study: Prospective Longitudinal Validation of Multi-System Health Measurements Against Mortality and Aging Outcomes
The 100-Year Human Aging Study is a prospective, pragmatic, observational trial enrolling participants across fixed and mobile clinical sites to undergo compre…
Cognitive Reserve and Linguistic Resilience in Bilingual Hispanics With Primary Progressive Aphasia
Difficulties with speech and language are the first and most notable symptoms of primary progressive aphasia (PPA). While there is evidence that demonstrates p…
Slow-SPEED: Slowing Parkinson's Early Through Exercise Dosage
The goal of this clinical trial is two-fold. First to investigate the feasibility of whether a remotely administered smartphone app can increase the volume and…
Passive Sensor Identification of Digital Biomarkers to Assess Effects of Orally Administered Nicotinamide Riboside on Bioenergetic Metabolism, Oxidative Stress, and Cognition in Mild Cognitive Impairment and Mild Alzheimer's Dementia
This project's main goal is to use state-of-the-art passive sensing techniques to identify digital biomarkers that relate to bioenergetic changes in the brain …
Evaluating the Retinal and Choroidal Microvasculature and Structure Using Multimodal Retinal and Choroidal Imaging in Neurodegenerative Disease: iMIND Research Study
This study aims to develop and evaluate biomarkers using non-invasive optical coherence tomography (OCT) and OCT angiography (OCTA) as well as ultra-widefield …
A Prospective Natural History and Outcome Measure Discovery Study of Charcot-Marie-Tooth Disease, Type 4J
This is a multicenter, longitudinal, prospective observational natural history study of subjects with a molecularly confirmed diagnosis of CMT4J. The study wil…
Investigating the Genetic Basis of Hereditary Spastic Paraplegia
The purpose of the HSP Sequencing Initiative is to better understand the role of genetics in hereditary spastic paraplegia (HSP) and related disorders. The HSP…
A Randomized Controlled Trial of a Walking Meditation Intervention (iWalk) to Enhance Resilience in Adults
This study is a randomized controlled trial of the walking meditation intervention (iWalk) program, a multi-component intervention integrating walking meditati…
Positron Emission Tomography (PET) Imaging of Tau Pathology in Neurodegenerative Disease
The purpose of this study is to measure the amount of a protein in the brain known as tau using an imaging procedure called Positron Emission Tomography (PET/C…
Neurodevelopmental and Behavioral Phenotyping Screening Protocol
The purpose of this protocol is to allow for the careful evaluation of healthy volunteers and individuals with risk for psychiatric disorders or neurodevelopme…