229 Studies Now Enrolling
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Displaying 201 - 217 of 217
Condition: Healthy Volunteers
Investigator: Yaakov Stern, PhD
Status: Closed
Train the Brain Study: The purpose of this study is to investigate the effect of a web-based (remote, at home) computerized cognitive training protocol on cognitive performance in healthy older adults. Thetraining will involve a daily life situation in a multi-task context. If you are eligible, you will be asked tocomplete 13 web-based sessions, twice a…
Condition: Healthy Volunteers
Investigator: Elizabeth Shane, MD
Status: Closed
Osteoporotic fractures affect the lives of 1.5 million Americans each year. Imaging tests, such as bone density, are used to predict fracture risk and to help guide therapy for fracture prevention. In this study we are validating a high-resolution, three-dimensional scanner with the overall goal of improving the diagnosis of bone diseases.
Condition: Healthy Volunteers
Investigator: Cassia Wells, MD
Status: Closed
Antibodies are one of the natural ways that our bodies fight or prevent infection. We're testing an antibody to find out if it's safe, if they don't make people feel uncomfortable, how these study antibodies move throughout the body, and to measure antiviral activity. You cannot get HIV from the study antibody. First, request to be contacted…
Condition: Healthy Volunteers
Investigator: Marc Richmond, MD
Status: Closed
Patients with hypoplastic left heart syndrome and other single right ventricle lesions who have undergone the Fontan procedure have a high risk of neurodevelopmental disorders that affect quality of life and adulthood employment. This study will leverage the ongoing National Heart, Lung, and Blood Institute (NHLBI)-funded Single Ventricle Reconstruction…
Condition: Healthy Volunteers
Investigator: Sharon Oberfield, MD
Status: Closed
We are recruiting boys between 3-9 years old and girls between 3-8 years old to participate in a research study. Children who would like to participate must be healthy and not showing signs of puberty. The goal of the study is to understand the relationship between early body development, metabolism (sugars and fats processing), and the saliva microbiome (…
Condition: Infectious Disease / HIV
Investigator: Magdalena Sobieszczyk, Md
Status: Closed
We are testing two antibodies directed against HIV virus. The human body uses antibodies as one way to help fight infection.The antibodies are called VRC01LS and VRC07-523LS and they are given by IV infusion. Each participant will receive one dose by infusion. The main purpose of this study is to see if these two antibodies are safe and how a participants…
Condition: Healthy Volunteers
Investigator: Adam Brickman, PhD
Status: Closed
This study is associated with the Alzheimer's Disease Research Center (ADRC) at Columbia University. The study seeks to understand changes in the way the brain's structure and function are related to age, and the risk of developing memory problems, Alzheimer's disease (AD), and dementia. The study will use magnetic resonance imaging (MRI) to…
Condition: Healthy Volunteers
Investigator: Jeffrey Shaman, PhD
Status: Closed
You are invited to participate in a study that seeks to understand how respiratory virus infections affect human hosts at various stages of symptomology and predict future wellness states using biophysical measurements from a smartwatch. The goals are to identify biomarkers predictive of symptom outcome and develop early wellness prediction models. The…
Condition: Healthy Volunteers
Investigator: Suzanne Lewis, MD
Status: Closed
While optical colonoscopy (OC) is considered the gold standard for colorectal cancer screening, there are alternative approaches to visualization of the colon. Participants will receive screening by either colon capsule endoscopy (CCE) and computed tomographic colonography (CTC). They will be instructed to follow a detailed colon preparation regimen prior…
Condition: Healthy Volunteers
Investigator: Jonathan Posner, MD
Status: Closed
Children with Attention-Deficit/Hyperactivity Disorder (ADHD) are typically treated with two types of medications: stimulants and non-stimulants. These medications work in different ways to treat ADHD symptoms, but we do not fully understand the brain mechanisms underlying the medications' effects. This study will use MRI scanning to look at changes in…
Condition: Healthy Volunteers
Investigator: Magdalena Sobieszczyk, Md
Status: Closed
We are working on a new HIV vaccine study that builds on past success and other ongoing studies. This new study is called HVTN 120 and is testing a vaccine for HIV prevention. The Thai Trial has been the only study where the vaccines were partially protective in preventing HIV. We learned a lot from that study, and are now improving on next generation of…
Condition: Healthy Volunteers
Investigator: Moise Desvarieux, MD, PhD
Status: Closed
We are looking for people ages 65 and older to help us evaluate if an investigational drug improves muscle function, which can reduce risk of falls and fractures. To be considered for the study, you: 1. Must complete a pre-screening phone interview to assess your eligibility 2. If you are eligible, you will be invited to attend an in-person appointment at…
Condition: Healthy Volunteers
Investigator: Carolyn Westhoff, MD
Status: Closed
Tired of having to remember to take your birth control? If you are a woman between the ages of 18 and 35, are pre-menopausal, sexually active and do NOT wish to become pregnant, you are invited to see if you may qualify for a research study. The purpose of this research study is to test the effectiveness of an investigational contraceptive vaginal ring. If…
Condition: Healthy Volunteers
Investigator: Marla Hamberger, PhD
Status: Closed
Some medical conditions in children involve difficulty with speech and language. Therefore, accurate measurement of these difficulties is important for both diagnosis and treatment. Unfortunately, the test that is currently used to assess object naming-- one of the most common language problems found in these conditions is the same test that is used for…
Condition: Healthy Volunteers
Investigator: Richard Sloan, PhD
Status: Closed
The purpose of this research study is to determine whether ambulatory monitoring of blood pressure measured by a finger touch blood pressure monitor is a viable approach to measuring blood pressure in the field. A secondary aim is to determine whether the finger touch blood pressure monitor is influenced by individual differences in current stress levels…
Condition: Healthy Volunteers
Investigator: Paula Castano, MD, MPH
Status: Closed
Do You Have a Mirena IUD? You may qualify for a study on the extended use of the Mirena IUD! You may qualify if you are 18 to 33 years old and had your Mirena placed in 2013. Compensation available for time and effort. Find out if you qualify!
Condition: Healthy Volunteers
Investigator: Karen Bell, MD
Status: Closed
The purpose of this study is to test whether an investigational drug called solanezumab can slow the progression of memory problems associated with brain amyloid. The study will also test 1) whether the anti-amyloid treatment can slow evidence of AD-related brain injury on imaging tests to look at brain structure and function and 2) the effect of…
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