362 Studies Now Enrolling
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Displaying 201 - 221 of 221
Condition: Healthy Volunteers
Investigator: Magdalena Sobieszczyk, MD
Status: Closed
Almost 40,000 people get HIV in the U.S. each year and almost all occur via sexual contact, especially male-to-male contact. The number of new infections has decreased slightly each year, however, we need other HIV prevention tools, such as developing a greatly, effective HIV vaccine, to better reduce HIV infections. SCREENING AND EDUCATION: 1. Consent will…
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: Melanie Gold, MD
Status: Closed
Auriculotherapy is a type of Eastern medicine that has been used for thousands of years involving the ear. The ear has nerve connections to the whole body, and therefore using non-invasive techniques can be used to treat a wide variety of problems. This study is looking to see if auriculotherapy might be used to treat abdominal pain and find areas on the…
Condition: Healthy Volunteers
Investigator: Martha Welch, MD
Status: Closed
The purpose of this current study is to investigate the efficacy of a group model of Family NurtureIntervention in ameliorating behavioral problems in preschool-aged children. The behavioral, neurobiological and clinical insights gained from this project may eventually lead to better treatment of emotional, behavioral and developmental disorders. The…
Condition: Cancer / Lymphoma
Investigator: Larisa Geskin, MD
Status: Closed
This is a phase 2 study to determine the efficacy and safety of Naloxone HCL Lotion 0.5% for the treatment of mycosis fungoides (MF) type of cutaneous T-cell lymphoma (CTCL). Selected subjects will have the study drug applied to determine its effect on reducing itchiness and any potential side effects. Naloxone has previously been approved for direct blood…
Condition: Healthy Volunteers
Investigator: Nim Tottenham, PhD
Status: Closed
Parents! Join our research study! For families with 2-4 years olds, Complete from the comfort of your own home! Involves: Complete questionnaires; Collect a stool sample from your child; Provided with an easy to use kit and video instructions; Earn $25 for participating.
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: Cancer / Lymphoma
Investigator: Larisa Geskin, MD
Status: Closed
The purpose of this study is to better understand the use of Valchlor in clinical practice. Other goals include describing the demographic and clinical characteristics of disease and health outcomes of patients treated with Valchlor. Participating in this study will not influence the usual care you receive from your doctor.
Condition: Healthy Volunteers
Investigator: Sharon Mannheimer, MD
Status: Closed
This is a COVID transmission study happening across the US to help us learn whether the COVID-19 vaccine stops the spread of the SARS-CoV-2 virus (COVID): both initial infection and transmission to others. The answer to this question can have an important impact on all of our lives. Currently we are enrolling unvaccinated people. You will not be required to…
Condition: Healthy Volunteers
Investigator: Keith Diaz, PhD
Status: Closed
The phrase sitting is the new smoking has been coined due to an increase of excessive sitting in middle- and older-aged adults. However, there are currently no specific guidelines for the best way to break up long periods of sitting. This study will look at the effect of breaking up sitting periods with movement breaks on blood sugar levels. We are looking…
Condition: Cancer / Lymphoma
Investigator: Nobuko Hijiya, MD
Status: Closed
This is a 2-part, multicenter study of a study drug in pediatric and young adult patients with mature B-cell non-Hodgkin Lymphoma which has come back or has not responded to the standard therapy. The study treatment is considered an experimental because the study drug is not approved by the United States (US) Food and Drug Administration (FDA) for treating…
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: Micaela Martinez, PhD
Status: Closed
How does the light we experience in day-to-day life affect our body clock? Interested in joining a new project to help scientists at Columbia University understand how light pollution and light-at-night affects our body clock? You or your child may be eligible to participate. The study involves wearing a small light sensor on a lanyard and a temperature…
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: 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: 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: Allison Borowski, MD
Status: Closed
We are currently recruiting women to TMIST, a clinical trial that will help us develop strategies that tailor breast cancer screening to the risks of individual women. This is a screening trial. The purpose of this trial is to determine if tomosynthesis (3-D) mammography detects breast cancer at earlier stage than current method of 2-D digital mammography.
Condition: Cancer / Lymphoma
Investigator: Larisa Geskin, MD
Status: Closed
This is a phase 3 clinical trial to determine the efficacy of topical SGX301 (synthetic hypericin) in combination with visible light therapy on cutaneous T-cell lymphoma (CTCL). Selected subjects can participate in 3 cycles each consisting of a 6 week treatment period where a chosen lesion will be treated with the study ointment (twice a week) followed by…
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: Alex Carballo-Dieguez, MD
Status: Closed
This study will help scientists to understand the best ways to recruit and engage a wide variety of people (HIV-positive and HIV-negative) in HIV-related studies, using online recruitment methods. In this study you will be asked about topics including your preferences for specific attributes of online study recruitment ads and your use of the internet and…
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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