183 "Healthy volunteers" clinical trials found.
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In vivo insights of small vessel changes with age using ultra-small-superparamagnetic-iron-oxide (USPIO)-enhanced MRI
The purpose of this research study is to investigate a new magnetic resonance imaging (MRI) method that could provide new fundamental insights to a more ... -
Brain Effects of Lifetime Racial/Ethnic Discrimination on the LC-NE Function and the Risk for Alzheimer's Disease
The purpose of our study is to understand how the effects of stress, induced by social factors such as racial discrimination, contribute to an increased ... -
Comprehensive Imaging of the Corneal Endothelium in Health and Disease using Wide-field Scanning Specular Microscopy
The purpose of this study is to determine if the images taken with the Konan CellChek C microscopy device may improve diagnosis and monitoring of ... -
3D Free-Breathing Fat and Iron Corrected T1 Mapping
The goal of this study is to create a new way of taking pictures of the liver and measuring clinical numbers that do not require ... -
The Digital Phenotype of Bipolar Disorder: An Observational Study of Mood Symptoms in Adolescents
The purpose of this research study is to use digital phenotyping, a method of collecting data from smartphone sensors, in addition to traditional assessments, to ... -
Integrating Financial Coaching and Smoking Cessation Coaching
The purpose of this research study is to test a program that combines financial coaching with quit smoking coaching and nicotine replacement therapy (nicotine gum ... -
IRON DEFICITS AND THEIR RELATIONSHIP WITH SYMPTOMS AND COGNITION IN PSYCHOTIC SPECTRUM DISORDERS
Psychotic Spectrum Disorders (PSD) are severe mental syndromes associated with significant lifelong impairment and high prevalence. This study aims to employ non-invasive imaging technologies to ... -
Unpacking the Importance of the Structural Injuries of MTBI
This is a research study supported by a federal grant through the National Institutes of Health (NIH) to investigate new ways to identify and measure ... -
Gut Kidney Axis in Enteric Hyperoxaluria
The purpose of this research study is to study the effects of enteric hyperoxaluria (EH) when they are given a pre-prepared diet. EH is a ... -
Correlation of clinical response of children with short stature to growth hormone therapy and composition of the gut microbiome.
There are normally bacteria present in everyone's gut. The purpose of this study is to evaluate if the subjects with short stature have different ...