225 Studies Now Enrolling
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Displaying 201 - 239 of 239
Condition: Healthy Volunteers
Investigator: Micaela Martinez, PhD
Status: Closed
This study involves wearing a small light sensor on a lanyard and a temperature sensor in a wristband for one week in the summer, fall, winter and spring. The study will span 9 months. Participants will also be asked to fill out a daily questionnaire during those weeks. $30/week compensation or $120 in total for participation.
Condition: Liver Disease
Investigator: Julia Wattacheril, MD, MPH
Status: Closed
This study is for patients with non-alcoholic steatohepatitis (NASH) fibrosis in which there is too much fat in the liver causing inflammation and fibrosis. This condition is similar to the type of liver damage that occurs from too much alcohol use, but is not primarily caused by alcohol use. The main purpose of the study is to test whether a drug called…
Condition: Healthy Volunteers
Investigator: Magdalena Sobieszczyk, Md
Status: Closed
We are looking for healthy, HIV-negative individuals 18 to 50 years old who are interested in our studies that test antibodies for HIV prevention. Antibodies are one of the natural ways that our bodies fight or prevent infection. We are testing an antibody called VRC07-523LS against HIV. We will ask you to complete a brief questionnaire to find out if you…
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: 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: Liver Disease / Cirrhosis of the Liver
Investigator: Robert Brown, MD, MPH
Status: Closed
The purpose of this study is to evaluate the efficacy of the drug OCR-002 for the treatment of an acute hepatic encephalopathy episode in cirrhotic patients requiring hospitalization. Subjects who have been recently hospitalized will potentially receive OCR-002 via infusion on top of their standard care for 5 days. Patients will be assessed 24-hours after…
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…
Condition: Healthy Volunteers
Investigator: Erika Berman-Rosenzweig, MD
Status: Closed
This research study is being conducted to study pulmonary hypertension and right heart dysfunction based on clinical, imaging, physiological and pathological characteristics. We hope to develop a new classification system and new methods to diagnose and treat pulmonary hypertension. Diagnostic testing includes (listed subsequently): full medical work-up,…
Condition: Healthy Volunteers
Investigator: Franklin Schneier, MD
Status: Closed
We are currently enrolling healthy individuals to participate in a research study involving electroencephalography (EEG) and magnetic resonance imaging (MRI). Participants will complete 3 visits over the course of 2 weeks and receive up to $400 for their participation. The visits will involve a psychiatric assessment and medical history, playing computer…
Condition: Healthy Volunteers
Investigator: Yuval Neria, PhD
Status: Closed
Columbia University Medical Center is presently recruiting healthy individuals to participate in an fMRI research study. For your participation, you will receive up to $270 and an opportunity to advance research in the area of trauma and PTSD. This study involves two visits.
Condition: Healthy Volunteers
Investigator: Billy Caceres, PhD, RN
Status: Closed
This goal of this study is to learn more about how stress and coping might be associated with blood pressure in lesbian, gay, and bisexual adults. If you are deemed eligible, first you will be scheduled for a telephone or video conference interview with a member from the study team, which may take up to 1.5 hours. For the interview, you may be asked to…
Condition: Liver Disease
Investigator: Carl Bazil, MD, PhD
Status: Closed
The main purpose of this research study is to investigate the effectiveness of avatrombopag (the study drug under investigation) in increasing the amount of platelets (a type of cell found in the blood) in patients with chronic liver disease who need to have an elective procedure but have thrombocytopenia (low platelet counts) related to the chronic liver…
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: Kevin Ochsner, PhD
Status: Closed
The Social Cognitive and Affective Neuroscience (SCAN) Lab is currently running research studies to investigate social interactions. Our beliefs about those who are close to us are based on our previous interactions with them. This experiment examines exactly how interactions with close others lead to changes in our beliefs about their personality and our…
Condition: Healthy Volunteers
Investigator: Helen Simpson, MD, PhD
Status: Closed
The purpose of this research study is to learn whether exercise affects learning and memory in people with anxiety. This is not a treatment study. The exercise program in this study runs for 6 weeks total. Each week, you are required to exercise 4 times for 12-15 minutes on the stepper machine that will be provided for you. You will be asked to visit our…
Condition: Healthy Volunteers
Investigator: Christine Kim Garcia, MD
Status: Closed
The FAR-ILD study is designed to detect and study the earliest stages of ILD in adults with a family history of ILD. 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 to gather data on family members of patients with pulmonary fibrosis over a long period of…
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 12 weeks for the treatment of chronic hepatitis C virus (HCV) infection in subjects who have previously been unsuccessfully treated for chronic HCV.. An experimental drug is one that…
Condition: Healthy Volunteers
Investigator: Joyce Yu, MD
Status: Closed
The population includes males and females of all ages with one or more food allergy or those who are at risk of mortality from food-induced anaphylaxis. The FARE Patient Registry is a multicenter, prospective, longitudinal, observational cohort study of patients with food allergy. The participant and the treating physician agree that he/she will complete…
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: Liver Disease / 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: Liver Disease / Hepatitis
Investigator: Robert Brown, MD, MPH
Status: Closed
The purpose of this study is to see if study drug Sofosbuvir/Ledipasvir fixed-dose combination + Ribavirin (SOF/LDV FDC + RBV) are effective in treating people infected with the hepatitis C virus with genotypes 1 and 4, who have advanced liver disease with permanent liver damage (cirrhosis) and may be showing signs of liver failure or who have undergone…
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: 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: 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
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: 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: 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: 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: 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: 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: 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: 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-…