236 Studies Now Enrolling
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Displaying 201 - 247 of 247
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: Yael Cycowicz, Ph.D.
Status: Closed
This study investigates changes in brain responses to visual images presented both frequently and infrequently. 60 adults will be recruited for the study which will take place in a laboratory at the New York State Psychiatric Institute. You will see the visual images on a computer screen and will have to respond with a button press to only one image while…
Condition: Liver Disease / Hepatitis
Investigator: Elizabeth Verna, MD
Status: Closed
This research trial is being conducted to determine the safety and efficacy of HARVONI (an FDA-approved Hepatitis C Virus medication) in HCV (genotype 1, 4, 5, an 6) infected patients who also have advanced heart failure or chronic lung disease. HARVONI has not been tested in patients with HCV and heart failure or chronic lunch disease. Subjects will take…
Condition: Healthy Volunteers
Investigator: Yuval Neria, PhD
Status: Closed
Emerging research has demonstrated a relationship between visual attention patterns and anxiety disorders, including PTSD. This study is designed to examine these visual attention patterns using eye-tracking A simple device that monitors eye-movements. The study included two sessions conducted approximately 1 week apart, each no longer than 1 hour. In both…
Condition: Healthy Volunteers
Investigator: Lawrence Kegeles, MD
Status: Closed
PAID RESEARCH VOLUNTEERS NEEDED Healthy volunteers, age 18-35 years, needed for a research study. Study requirements:- 2-3 hours of clinical assessments and neurocognitive testing -1 hour MRI As a participant you will receive: $100 for the MRI; $10/ hour for other testing; participants can make up to $200.00 For further information about the study and your…
Condition: Healthy Volunteers
Investigator: Billy Caceres, PhD, RN
Status: Closed
The goal of this study is to conduct interviews with lesbian, gay, bisexual, transgender, and queer (LGBTQ) adults ages 40-64 years to explore sources of stress, stress management techniques, and heart disease risk behaviors (such as smoking). We will also identify preferred modalities for a stress management intervention to reduce heart disease risk in…
Condition: Liver Disease / Hepatitis
Investigator: Steven Lobritto, MD
Status: Closed
The purpose of this study is to learn more about the effects of the combination of telaprevir peginterferon alfa2b (Peg-IFN) and ribavirin (RBV) in children with chronic hepatitis C. Investigators will look at how these study drugs may affect childrens bodies and how children break down and eliminate telaprevir. Participants of this study will receive Peg-…
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: 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 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. Firstly, request to be contacted by our…
Condition: Liver Disease / Hepatitis
Investigator: Elizabeth Verna, MD
Status: Closed
This study will compare the effectiveness of three different FDA approved medicines for Hepatitis C Genotype 1 patients: HARVONI , Viekira Pak and Zepatier and will observe subject experiences before, during, and after HCV treatment. Subjects will be asked to respond to several survey questionnaires and if they would allow their leftover blood collected for…
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: Christine Kim Garcia, MD
Status: Closed
Are you a current or former smoker? Do you want to know more about your lung health? The FAR-ILD study is designed to detect and study the earliest stages of ILD in at-risk adults, including older smokers. FAR-ILD is a non-interventional study. This means that FAR-ILD is not involved in testing any new interventions or therapies. The purpose of FAR-ILD is…
Condition: Liver Disease
Investigator: Elizabeth Verna, MD
Status: Closed
This study is for patients with Nonalcoholic Steatohepatitis (NASH) and also suffer from obesity and Type 2 diabetes Mellitus type II or prediabetes. The purpose of this study is to determine the effect of Aramchol on liver inflammation, in addition to fat reduction in the liver. NASH (Nonalcoholic Steatohepatitis) is a common, often silent liver disease.…
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: 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…
Condition: Liver Disease
Investigator: Robert Brown, MD, MPH
Status: Closed
The purpose of this study is to determine the safety and effects of a drug, sorafenib in adults diagnosed with hepatopulmonary syndrome (HPS). The study will evaluate how well the drug is tolerated and its effect on the level of oxygen in the blood and the function of the lung vessels. Participants will be randomly assigned to receive either sorafenib or a…
Condition: Healthy Volunteers
Investigator: Helen Simpson, MD, PhD
Status: Closed
Obssesive Compulsive Disorder (OCD) and related disorders characterized by repetitive thoughts and behaviors (e.g., Tourette Syndrome and Eating Disorders) are severe conditions that lead to significant health-related disability. Dysfunction in the brain circuits involved in cognitive control and reward processing are thought to contribute to the symptoms…
Condition: Healthy Volunteers
Investigator: Carmela Alcantara, PhD
Status: Closed
The Latino Sleep and Health Study (LASH) is a community study of Latino adults that is focused on understanding the relationship between sleep, stress, self-control, and health. Participation in LASH is fairly simple. If you are found eligible after taking the screener, you will be asked to complete an in-person survey. You can earn $20 for after completing…
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: Healthy Volunteers
Investigator: Loren Gianini, PhD
Status: Closed
The goal of this study is to better understand why some people have managed to lose weight and keep it off while others have not. We are recruiting people who have lost weight and kept it off as well as healthy non-dieters with overweight or obesity who are not trying to lose weight. Study participation involves computer tasks, brain imaging, and eating a…
Condition: Healthy Volunteers
Investigator: Thomas Nickolas, MD, MS
Status: Closed
The BoneGN study will help us learn how bones and muscles are responding to Glomerular Diseases. These conditions may gradually weaken bones and increase the risk of having a fracture (broken bone). In the future, the results can contribute in developing strategies to improve the bone health. We are looking for healthy children and adults between 5 and 55…
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: Liver Disease / Cirrhosis of the Liver
Investigator: Julia Wattacheril, MD, MPH
Status: Closed
The purpose of this study is to evaluate whether cirrhosis occurs as a result of NASH. NASH is a disease that results when fat accumulates in the liver. GS-6624 is an experimental medication designed to help reverse the scarring process, and the purpose of this study is to see if GS-6624 can reverse the scarring in the liver and heal cirrhosis.
Condition: Healthy Volunteers
Investigator: Marla Hamberger, PhD
Status: Closed
The purpose of this project is to develop a set of word finding or naming tests for adults, ages 66 and above. The main task involves naming pictures of common objects (e.g. broom), or naming items when given a description (e.g. "what children ride to school in"). There are some other tasks as well such as single word reading, number repetition,…
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: Liver Disease / MASH (formerly NASH)
Investigator: Elizabeth Verna, MD
Status: Closed
This is a 5-year, longitudinal, observational study of patients with NAFL or NASH designed to specifically address important clinical questions that remain incompletely answered from registration trials. The main purpose of this research study is to collect and study information on patients with NAFLD/NASH.The goal of this study is to observe any treatment…
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: Liver Disease / Hepatitis
Investigator: Elizabeth Verna, MD
Status: Closed
This study will compare two experimental drugs, named Sofosbuvir/Velpatasvir/GS-9857 Fixed-Dose Combination (SOF/VEL/GS-9857 FDC) and Sofosbuvir/Velpatasvir (SOF/VEL) FDC for the treatment ofchronic genotype 3 hepatitis C virus (HCV) infection in patients who have cirrhosis, or scarring of the liver. The purpose of this study is to determine the efficacy,…
Condition: Liver Disease
Investigator: Elizabeth Verna, MD
Status: Closed
If you have primary biliary cholangitis (PBC), previously referred to as primary biliary cirrhosis, you may qualify for a clinical research study. In this study, doctors are trying to learn more about the effectiveness and safety of an investigational drug called seladelpar for patients with PBC. The ENHANCE clinical research study is enrolling patients who…
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: Marie-Pierre St-Onge, PhD
Status: Closed
We are doing this research study to find out how different amounts of sleep restriction affect yourbody's ability to generate heat. This study will determine the effects of partial sleep restriction (PSR) (4 h in bed) and total sleep deprivation (TSD) (0 h in bed) compared to a full night of habitual sleep (HS)(8 h in bed) on brown adipiose tissue (…
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: Liver Disease / Hepatitis
Investigator: Elizabeth Verna, MD
Status: Closed
The purpose of this study is to determine how safe and effective using three medications (pegylated-interferon, ribavirin and boceprevir) are in curing HCV in patients with end stage kidney disease on hemodialysis. Participants will be prescribed these three medications and will be followed closely through treatment, then for 6 months afterwards. During…
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 / Exercise
Investigator: Richard Sloan, PhD
Status: Closed
This study focuses on the effects of aerobic conditioning on cognition and brain activity. Eligible participants will complete an exercise stress test, MRI, and cognitive testing session at the beginning and end of the study. Once participants complete the first set of appointments, they will be randomly assigned to one of two conditions for 12-weeks.…
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: Liver Disease
Investigator: Julia Wattacheril, MD, MPH
Status: Closed
This is a randomized, double-blinded, placebo-controlled phase 2 study. The purpose of this study is to evaluate the safety and efficacy of Saroglitazar magnesium 2 mg and 4mg versus placebo in the treatment of subjects with Primary Biliary Cholangitis. The research study consists of a Screening Phase (Visits 1 and 2) that lasts up to 42 days, a Treatment…
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: 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: Liver Disease / Hepatitis
Investigator: Elizabeth Verna, MD
Status: Closed
The purpose of this study is to evaluate the effectiveness, safety, and tolerability of study drugs Sofosbuvir, Velpatasvir and GS-9857 in comparison to Sofosbuvir and Velpatasvir in patients infected with HCV. Information about any side effects that may occur will also be collected.
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: 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: 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: Daphna Shohamy, PhD
Status: Closed
The Learning Lab at Columbia University is conducting computer based behavioral studies to address fundamental questions regarding the nature of learning, memory, and decision making. Specifically, we will use behavioral methods to investigate the extent to which learning, memory and decision making may be modulated by factors such as novelty, trial-by-…
Condition: Liver Disease / Cirrhosis of the Liver
Investigator: Gene Im, MD, FAASLD
Status: Closed
Researchers at Columbia University Irving Medical Center are investigating whether the investigational medication efimosfermin is safe and effective in improving outcomes for adults with Alcohol-related Liver Disease (ALD). ALD refers to liver damage caused by heavy alcohol consumption. The study uses a placebo for comparison because there are no approved…
Condition: Liver Disease
Investigator: Gene Im, MD, FAASLD
Status: Closed
Researchers at Columbia University Irving Medical Center are investigating whether the investigational medication efimosfermin is safe and effective in improving outcomes for adults with Alcohol-related Liver Disease (ALD). ALD refers to liver damage caused by heavy alcohol consumption. The study uses a placebo for comparison because there are no approved…