230 Studies Now Enrolling
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Displaying 201 - 238 of 238
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
Investigator: Julia Wattacheril, MD, MPH
Status: Closed
NASH is a liver disease associated with inflammation and liver cell injury visible under a microscope with a liver biopsy. This condition may lead to advanced fibrosis and cirrhosis and deserves serious medical management. Once cirrhosis has developed, the serious complications of liver disease may occur, including liver failure. NASH might also lead to…
Condition: Liver Disease / Hepatic Encephalopathy
Investigator: Robert Brown, MD, MPH
Status: Closed
The purpose of this study is to compare the time to onset of an episode of overt HE, in subjects with previously demonstrated overt HE after treatment with rifaximin 550 mg BID and lactulose, or rifaximin 550 mg BID. Subjects will be screened to confirm eligibility into the study. Once confirmed, subjects will begin the treatment phase and will be randomly…
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: 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 / 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: 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 / Hepatic Encephalopathy
Investigator: Robert Brown, MD, MPH
Status: Closed
The purpose of this study is to find out how doctors describe hepatic encephalopathy episodes in patients medical records in the course of their regular practice. The aim of the study is simply to collect information from their medical records about how their episodes of overt hepatic encephalopathy are described. There is nothing that will be required of…
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: 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: Liver Disease / NASH
Investigator: Elizabeth Verna, MD
Status: Closed
Patients who have been diagnosed with decompensated nonalcoholic steatohepatitis (NASH) cirrhosis may be eligible to participate in this clinical trial. NASH is liver inflammation and damage caused by a buildup of fat in the liver. The main purpose of the study is to test the safety and efficacy of a drug called Emricasan (IDN-6556) in reducing the risk…
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: 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: 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
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: 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: Liver Disease / NASH
Investigator: Julia Wattacheril, MD, MPH
Status: Closed
The Sponsor is conducting this study to find out how safe and effective the investigational drug (alsocalled a study drug) obeticholic acid (also known as OCA) may be in improving compensated cirrhosis caused by NASH. Currently, there are no therapies approved for the treatment of NASH. OCA (the brand name is Ocaliva) has been approved in several…
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: 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: 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: 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 / Exercise
Investigator: Richard Sloan, PhD
Status: Closed
This study focuses on the effects of aerobic conditioning on cardiovascular function and inflammatory response. Eligible participants will complete an exercise stress test, laboratory visit, and cognitive testing session at three specific time points over the course of the study. Once the initial set of appointments is complete, participants are randomly…
Condition: Healthy Volunteers
Investigator: Jeffrey Miller, MD
Status: Closed
The purpose of this study is to use Positron Emission Tomography (PET) to identify changes in brain chemistry that may cause an episode of depression. This study will be carried out in approximately 30 subjects. PET is a technique that provides "pictures" of chemical connections in the brain by injecting and monitoring a radioactive substance. In…
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: 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: 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: 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 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: 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: William Whang
Status: Closed
The purpose of this study is to evaluate the performance of a remote patient monitoring device against more established wired monitoring devices during common activities and low to moderate exercise.The goal of this study is to determine how the Zephyr BioPatch will work compared to more established wired monitoring devices. This study involves one visit,…
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 / 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: 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: Brooke Aggarwal, EdD, MS, FAHA
Status: Closed
This study is active but is no longer enrolling new subjects.
Condition: Liver Disease
Investigator: Ali Mencin, MD
Status: Closed
This study is a multicenter study to assess the efficacy, safety, and tolerability of vk2809 administered for12 weeks followed by a 4-week off-drug Phase in subjects with primary hypercholesterolemia and nonalcoholic Fatty liver disease. This study will investigate the efficacy, safety, and tolerability of VK2809 in lowering LDL-C and liver fat content in…
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: 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…
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