364 Studies Now Enrolling
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- Show all (1929)
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Displaying 201 - 207 of 207
Condition: Healthy Volunteers
Investigator: Richard Sloan, PhD
Status: Closed
The purpose of this study is to examine the effect of dietary flavanols on brain activity and memory. Flavanols represent a specific group of plant derived nutrients that are found in cocoa beans, grapes, tea, berries and various other fruits and vegetables. The specific flavanols investigated in this study come from cocoa. Participants will be asked to…
Condition: Healthy Volunteers
Investigator: Eldad Hod, MD
Status: Closed
One of the consequences of donating blood is iron deficiency. In this study, we will screen healthy frequent blood donors for iron deficiency. We will enroll iron deficient donors and randomize them to intravenous iron treatment or placebo in order to determine whether iron deficiency has any harmful effects on the blood supply and the donors themselves.
Condition: Infectious Disease / HIV
Investigator: Magdalena Sobieszczyk, MD
Status: Closed
Antibodies are one of the natural ways that our bodies fight or prevent infection. Were testing an antibody to find out if its safe, if it doesn't make people feel uncomfortable and to find out what may be the best dose if its given by IV infusion or sub-cutaneous injection. You cannot get HIV from the Bispecific Antibody. We'll ask you to…
Condition: Healthy Volunteers
Investigator: Sumit Mohan, MD
Status: Closed
We are seeking your opinions regarding different organ donation policies, via a 5-10 minute survey; responses are all anonymous. Everyone who completes the survey will have the option to enter a draw for a $5 gift card.
Condition: Healthy Volunteers
Investigator: Karen Marder, MD, MPH
Status: Closed
This study is recruiting people who have a family history of a neurodegenerative diseases, such as Alzheimer's disease or other form of dementia including frontotemporal dementia and prion disease, who are interested in doing predictive genetic testing. Participants will complete questionnaires prior to testing and then 1 month and 6 months after…
Condition: Healthy Volunteers
Investigator: Marie-Pierre St-Onge, PhD
Status: Closed
The overall goal of this project is to determine whether short sleep duration is a risk factor for cardiovascular disease in women. We are currently looking for healthy, non-smoking women to participate in a sleep study. You must be willing to come to Columbia University Medical Center once a week for two 6-week periods and regularly sleep at least 7-9…
Condition: Healthy Volunteers
Investigator: Stephen Arpadi, MD, MS
Status: Closed
We are seeking healthy volunteers (HIV-negative) for a study seeing if HIV is associated with faster biological aging among older African American adults, whether faster biological age is related to health conditions that typically occur in older people and whether these conditions might be due to stress or over-activity of certain parts of the immune…
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