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Displaying 1 - 61 of 61
Condition: Healthy Volunteers
Investigator: Ronald Silverman, PhD
Status: Currently Recruiting
The Department of Ophthalmology is conducting an NIH-funded study of vitreous floaters. Adults with or without floaters will be qualified for this study. We are specifically interested in myopes (nearsighted people) and diabetics as well as candidates for cataract surgery in addition to normal subjects. The study will involve routine measurements of axial…
Condition: Healthy Volunteers
Investigator: Ellen Morrison, MD, MPH
Status: Currently Recruiting
PrEP (Pre-Exposure Prophylaxis) is medication that is taken to prevent HIV if a person is exposed to HIV. Research is ongoing to develop PrEP medications that may be both convenient and effective. This study is important because people who inject drugs face multiple overlapping individual, social, legal, and structural challenges contributing to a…
Condition: Healthy Volunteers
Investigator: Kiyohito Iigaya, PhD
Status: Currently Recruiting
Our lab is conducting a series of research studies investigating people's behavior. We are looking for people between the ages of 18 and 60. As a healthy study participant, you will be asked to complete a set of self-report questionnaires probing demographics and personality traits, followed by a number of computer-based tasks. Study participants earn…
Condition: Healthy Volunteers
Investigator: Philip De Jager, PhD
Status: Currently Recruiting
Genes and Environment in MS (GEMS) is a longitudinal cohort study investigating how genetics and environment can lead to the onset of Multiple Sclerosis. We are recruiting first-degree relatives (siblings, parents, and children) of people who have been diagnosed with MS. This study involves the collection of magnetic resonance imaging (MRI) of the brain,…
Condition: Healthy Volunteers
Investigator: Marie-Pierre St-Onge, PhD
Status: Currently Recruiting
We are currently looking for healthy, nonsmoking adults ages 25-65yrs who are dissatisfied with their sleep to participate in a sleep study. Participants should find their sleep not refreshing but not taking external sleep aids. Participants must be willing to eat different foods for two periods of 4 days and undergo testing over a 24-hour period at the…
Condition: Healthy Volunteers
Investigator: Marla Hamberger, PhD
Status: Currently Recruiting
The purpose of this project is to develop a set of word finding or "naming" tests for Bilingual English-Spanish speakers, ages 16-85. The main tasks involve 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…
Condition: Transplant / Stem Cell Transplant
Investigator: Markus Mapara, MD
Status: Currently Recruiting
The Center for International Blood and Marrow Transplant Research (CIBMTR), the research program of the National Marrow Donor Program (NMDP)/Be The Match, invites you to take part in a Research Database. The CIBMTR does research with medical data from patients who have had a transplant or other cellular therapy and donors who donate bone marrow or blood…
Condition: Healthy Volunteers
Investigator: Michael Lipton, MD PhD
Status: Currently Recruiting
The Lifespan Study uses neuroimaging, cognitive tests, and genomics to explore how the brain's structure and function change throughout life. We are creating a database of typical brain imaging data to study age-related changes. This database will support research, clinical studies, and the creation of new tools for measuring brain health. The Lifespan…
Condition: Healthy Volunteers
Investigator: Ellen Morrison, MD, MPH
Status: Currently Recruiting
Come and talk with us about HIV prevention! HPTN 113-01/DUO is a series of 3 focus group discussions with young Latino/e/x cisgender men and gender nonbinary persons assigned male at birth (AMAB), who have sex with men. The focus groups will be conducted in English or Spanish, include 5-10 people, and be audio-recorded. Participants will be asked to give…
Condition: Transplant / Liver Transplant
Investigator: Yael Nobel, MD, MS
Status: Currently Recruiting
A complication that can occur after liver transplant (LT) is rejection, in which the patient's immune system damages the transplanted liver. Tacrolimus is the primary medication used in most patients to suppress the immune system and prevent this complication after LT. The main purpose of this study is to determine if bacteria in the intestine (gut…
Condition: Transplant / Liver Transplant
Investigator: Elizabeth Verna, MD
Status: Currently Recruiting
The purpose of this observational research study is to identify things that contribute to outcomes in patients with alcohol-associated liver disease who are being considered for liver transplant and who have less than 6 months of sobriety. We will look at many things including images of the liver and heart, blood tests, urine tests, stool tests and liver…
Condition: Healthy Volunteers
Investigator: Marie-Pierre St-Onge, PhD
Status: Currently Recruiting
The overall goal of this project is to determine whether the timing of your meals influences health. We are currently looking for healthy, non-smoking, men and women to participate in this study. You must regularly sleep at least 7-9 hours/night and regularly eat close to wake time. In addition, you must be willing to come to Columbia University Irving…
Condition: Healthy Volunteers
Investigator: Guillermo Horga, MD, PhD
Status: Currently Recruiting
In this study, we are trying to learn more about the symptoms of schizophrenia, specifically to learn how abnormalities in the brain may produce certain experiences that are common in patients with schizophrenia. The study involves clinical interviews, clinical chart review, computer tests, and magnetic resonance imaging (MRI) scans. The study will be…
Condition: Transplant / Liver Transplant
Investigator: Sloane Heller, MD
Status: Currently Recruiting
The purpose of this study is to understand how liver disease affects thinking and memory, both before and after transplant. Participants will take a cognitive test, which will be a series of tasks and questions similar to a video game, at home on their own computers, tablets, or phones. This will take approximately 45 minutes, and participants will do this…
Condition: Healthy Volunteers
Investigator: Magdalena Sobieszczyk, MD
Status: Currently Recruiting
The HIV Vaccine Trials Network, Division of AIDS, and Columbia University Irving Medical Center are conducting a trial to learn about the safety and effectiveness of two new experimental HIV vaccines. This is a first-in-human phase 1 clinical trial where we will be testing 2 study vaccines, CH505M5 N197D mRNA-gp160 and CH505 TF mRNA-gp160. The goal is to…
Condition: Healthy Volunteers
Investigator: Jon Freeman, PhD
Status: Currently Recruiting
The Social Cognitive & Neural Sciences Lab at Columbia University's Department of Psychology is conducting a brain imaging study, which will take place over the next 1-3 months. You will be compensated for your time and receive a free video of your brain! We are flexible in scheduling convenient times for you to come in. The study will involve a 2-…
Condition: Healthy Volunteers
Investigator: Julian Agin-Liebes, MD
Status: Currently Recruiting
We are looking for participants for a study on the role of immune response in Parkinson's disease (PD) and Alzheimer's disease (AD). We are inviting people WITH PD, WITH AD, WITH amnestic Mild Cognitive Impairment, or WITHOUT PD or AD to come and participate. We will be doing several questionnaires, a motor exam, and a short cognitive assessment,…
Condition: Transplant / Liver Transplant
Investigator: Elizabeth Verna, MD
Status: Currently Recruiting
The main purpose of this study is to deeply characterize cognitive function in liver transplant recipients, differentiate among different causes of cognitive impairment, and identify contributors to cognitive impairment. Participants will receive a comprehensive neurological exam, cognitive assessment, neuropsychological testing, MRI of the brain, and blood…
Condition: Healthy Volunteers
Investigator: Kiyohito Iigaya, PhD
Status: Currently Recruiting
Our lab is conducting a series of research studies investigating people's memory and decision-making. As a healthy study participant, you will be asked to complete a set of self-report questionnaires probing demographics and personality traits, followed by a number of computer-based tasks. Study participants earn between $15/hour for their time. The…
Condition: Healthy Volunteers
Investigator: Scott Small, MD
Status: Currently Recruiting
For over 30 years, The Columbia University Alzheimer's Disease Research Center (ADRC) has worked with thousands of participants who have helped provide important insights into how the brain ages and why Alzheimer's disease may develop. We are actively recruiting adults 65 years of age and older who share our commitment to be part of this…
Condition: Healthy Volunteers
Investigator: Jonathan Overdevest, MD, PhD
Status: Currently Recruiting
The Columbia Otolaryngology Department is interested in understanding how sense of smell relates to memory and neurocognition. Participation will involve answering a series of questionnaires, completing a formal evaluation of your smell with standardized measurements, and complete short smell and memory games. You can participate in this study if you are…
Condition: Healthy Volunteers
Investigator: Julie Herbstman, PhD, MSc
Status: Currently Recruiting
You are invited to participate in a research study to understand how environmental exposures during pregnancy influence the health and development of children. This study will begin at pregnancy and follow your child through age 11. A trained research worker will work with you and your child, administering questionnaires to you and developmental evaluations…
Condition: Healthy Volunteers
Investigator: Richard Francis, MD, PhD
Status: Currently Recruiting
This is a Blood Donor Study being conducted at Columbia University Irving Medical Center New YorkPresbyterian Hospital. We are interested in recruiting males between the ages of 18-65 who are of African, Asian, Hispanic, Middle Eastern, or Mediterranean descent. The purpose of this research study is to determine whether genetic factors in your DNA affect…
Condition: Transplant / Liver Transplant
Investigator: Elizabeth Verna, MD
Status: Currently Recruiting
The purpose of this study is to evaluate the safety of siplizumab when used as induction immunosuppression in patients with primary sclerosing cholangitis or autoimmune hepatitis undergoing liver transplantation. Induction immunosuppression drugs are very potent anti-rejection drugs that are given immediately after transplantation to prevent rejection.…
Condition: Transplant / Liver Transplant
Investigator: Elizabeth Verna, MD
Status: Currently Recruiting
The purpose of this study is to learn more about the effects of functional status (also known as "frailty") using a physical test in patients with liver disease on their health outcomes. We are enrolling patients prior to liver transplantation, and will continue to assess their functional status post transplant. If you have any questions regarding…
Condition: Healthy Volunteers
Investigator: Patrick Lao, PhD
Status: Currently Recruiting
The purpose of this study is to determine how inflammation is related to changes in the brain that occur during the progression of Alzheimer's disease. If you are eligible for this study, we will ask you to complete 3-4 study visits over the course of about 5 months. Participation includes memory testing, a blood draw, MRI, PET scans, and a lumbar…
Condition: Transplant / Stem Cell Transplant
Investigator: Pawel Muranski, MD
Status: Currently Recruiting
The purpose of this study is to test whether giving an experimental cell product can treat viral infection in patients who have conditions that cause the poor function of their immune system. The patients with infections caused by viruses such as cytomegalovirus (CMV), Epstein-Barr virus (EBV), adenovirus (ADV), BK and JC polyomaviruses (PyVs) virus may…
Condition: Healthy Volunteers
Investigator: Ellen Morrison, MD, MPH
Status: Currently Recruiting
PrEP (Pre-Exposure Prophylaxis) is medication that is taken to prevent HIV if a person is exposed to HIV. Research is ongoing to identify PrEP medications that are both convenient and effective. This study is important because women in many areas of New York City have high rates of HIV coupled with low utilization of PrEP. The purpose of HPTN 102/Purpose 3…
Condition: Healthy Volunteers
Investigator: Joshua Cook, MD, PhD
Status: Currently Recruiting
We are conducting a research study on how insulin controls blood sugar in both healthy people and those at risk of type 2 diabetes. We are seeking adult volunteers, aged 18-65, who have body mass indices either in the lean range (18-25 kg/m2) or in the obesity range (30-45 kg/m2) but who do not have prediabetes or diabetes. Participants will undergo a…
Condition: Healthy Volunteers
Investigator: Elizabeth Oelsner, MD, MPH
Status: Currently Recruiting
This study is called the COVID-19 Lung Microvascular and Parenchymal Sequelae (LUNG MaPS) Study. The purpose of the study is to learn about the effects of COVID-19 infections on the lungs and heart, and to improve our understanding of why some COVID-19 patients experience ongoing symptoms, or what is often called "long COVID." Hundreds of…
Condition: Healthy Volunteers
Investigator: Magdalena Sobieszczyk, MD
Status: Currently Recruiting
The HIV Vaccine Trials Network (HVTN) and Columbia University Irving Medical Center (CUIMC) are conducting a study to learn about the safety and effectiveness of an experimental HIV vaccine. The study vaccine is a protein vaccine called N332-GT5 gp140. It includes a manmade protein that looks like a protein found on the outside of HIV. The study vaccine is…
Condition: Healthy Volunteers
Investigator: Marwah Abdalla, MD
Status: Currently Recruiting
The Center for Behavioral Cardiovascular Health (CBCH) is conducting a research study to examine the impacts on blood pressure when it is measured with and without someone in the room with you. Two-part screening to determine eligibility for this study involves a) answering questionnaires and b) measuring your arm circumference. Participation in the…
Condition: Healthy Volunteers
Investigator: Kiyohito Iigaya, PhD
Status: Currently Recruiting
Our lab is conducting a magnetic resonance imaging (fMRI) study to investigate people's memory and decision-making. We are looking for people between the ages of 18 and 60 to be healthy study participants. In this study you will be asked to complete a set of self-report questionnaires probing demographics and personality traits, followed by a number of…
Condition: Healthy Volunteers
Investigator: Marie-Pierre St-Onge, PhD
Status: Currently Recruiting
The overall goal of this project is to assess the role of rest-activity patterns on glucose control, body composition, and well-being. We are currently looking for non-smoking men and women, age 25 years or older and with pre-diabetes (HbA1c 5.7-6.4%) to participate in this study. You must regularly sleep at least 6 hours/night and have variable sleep…
Condition: Healthy Volunteers
Investigator: Lila Davachi, PhD
Status: Currently Recruiting
The Davachi Lab is currently running research studies to investigate information processing. These behavioral studies may involve looking at negative, neutral, and positive images on a computer screen (such as objects, faces, or scenes) and/or listening to negative, neutral, and positive auditory sounds (such as tones with varied pitches or human-produced…
Condition: Transplant / Liver Transplant
Investigator: Marcus Pereira, MD, MPH
Status: Currently Recruiting
The primary objective is to evaluate long-term outcomes in transplant recipients with HIV who receive livers from donors with HIV compared to donors without HIV. If you have any questions regarding this study, please contact the Transplant Clinical Research Center (TCRC).
Condition: Transplant
Investigator: Marcus Pereira, MD, MPH
Status: Currently Recruiting
The primary objective is to determine whether using hearts from HIV+ donors for HIV+ recipients is safe with regard to major transplant-related and HIV-related complications. The primary outcome is patient survival at one year. If you have any questions regarding this study, please contact the Transplant Clinical Research Center (TCRC).
Condition: Transplant
Investigator: Tomoaki Kato, MD
Status: Currently Recruiting
The purpose of this study is to study the safety and feasibility of giving intestinal transplant patients CD34+ stem cells (the cells that make all the types of blood cells) obtained from their organ donor's bonemarrow as an IV infusion post-transplant. Researchers will be looking to see whether this CD34+ cell infusion might help control rejection of…
Condition: Healthy Volunteers
Investigator: Joshua Cook, MD, PhD
Status: Currently Recruiting
We are recruiting volunteers, aged 18-70, for a research study on the buildup of excessive liver fat ("fatty liver disease") in people with or at risk for type 2 diabetes because their bodies are resistant to the actions of the blood sugar-lowering hormone, insulin. To do this, we seek to temporarily induce or accentuate insulin resistance in 14…
Condition: Healthy Volunteers
Investigator: Joshua Cook, MD, PhD
Status: Currently Recruiting
We are seeking adult volunteers with body mass index in the obesity range (30-45 kg/m2) to come in for a single study visit where they answer some health questions and have a small volume of blood drawn (25 cc/1.7 tbsp). We will measure levels of the blood sugar-lowering hormone insulin as well as glucose (sugar), certain fats, and other molecules related…
Condition: Transplant / Liver Transplant
Investigator: Steven Lobritto, MD
Status: Currently Recruiting
In this study, we will collect information from the medical record of pediatric liver transplant recipients who received live vaccines as part of their routine post-transplant care. This data will be combined with data from other centers across the United States and Canada to help give us a better understanding of the safety and efficacy of live vaccines in…
Condition: Healthy Volunteers
Investigator: Pamela Freda, MD
Status: Currently Recruiting
Growth hormone and insulin-like growth-factor 1 (IGF-1) are two hormones that are very important to human growth and metabolism. In disorders of GH and IGF-1 excess and deficiency, significant growth and metabolic abnormalities can develop. This study investigates the effects of GH on the appetite-stimulating hormone AgRP (agouti-related peptide) and the…
Condition: Transplant / Liver Transplant
Investigator: Tomoaki Kato, MD
Status: Currently Recruiting
The purpose of this sponsor-initiated multi-center registry is to collect additional data on the performance of the FDA Approved OCS Liver System and post-transplant clinical outcomes for patients who are transplanted with an OCS Liver perfused donor liver in the real-world setting. If you have any questions regarding this study, please contact the…
Condition: Healthy Volunteers
Investigator: Catherine Clelland, PhD
Status: Currently Recruiting
This research study aims to obtain a greater understanding of the causes of cognitive decline in Alzheimer's disease. We are currently enrolling male and female participants (ages 55 years and older) with Alzheimer's disease, mild cognitive impairment, or healthy controls. Enrolled participants with undergo a small blood draw (about 8 teaspoons)…
Condition: Healthy Volunteers
Investigator: Yufeng Shen, PhD
Status: Currently Recruiting
Study examining the genetic causes of birth defects.
Condition: Healthy Volunteers
Investigator: Joshua Cook, MD, PhD
Status: Currently Recruiting
We are conducting a research study on the effect of high insulin levels on the buildup of excessive liver fat ("fatty liver disease") in people at risk for type 2 diabetes. We are seeking adult volunteers, aged 18-70, who are overweight or obese with a body mass index of 27-50, and have been diagnosed with, or are at risk for, prediabetes.…
Condition: Healthy Volunteers
Investigator: Dritan Agalliu, PhD
Status: Currently Recruiting
The aim of this study is to understand the mechanisms of secondary effects of traumatic brain injury on the blood-brain barrier and to understand the biochemical differences in the blood of people with Alzheimer's disease and the volunteer group. We will compare biochemical blood differences between a healthy group and traumatic brain injury patients…
Condition: Healthy Volunteers
Investigator: Marie-Pierre St-Onge, PhD
Status: Currently Recruiting
We are currently looking for healthy, nonsmokers, ages 18-49yrs who are satisfied with their sleep to participate in a sleep study. Participants should typically sleep 7-9 hours/night without external sleep aids. Participants must be willing to change their sleep schedule for approximately 4 weeks. Compensation of up to $1000 will be provided for completing…
Condition: Healthy Volunteers
Investigator: Muredach Reilly, MD
Status: Currently Recruiting
As an academic medical center, we are always working to improve patient and population health. One way that research is supported here is through the Columbia University Biobank (CUB). A biobank is a collection of biological samples and health data that is collected during a patient's medical care. The goal of a biobank is to provide materials for…
Condition: Healthy Volunteers
Investigator: Daniel Wolpert, PhD
Status: Currently Recruiting
The Sensorimotor Learning Lab at Columbia University is conducting behavioral studies of how our brains control movement. We are looking for volunteers to take part in experiments involving moving in virtual reality, interacting with robotic interfaces and other movement tasks. All the experiments are noninvasive and have been approved by the Columbia IRB.…
Condition: Healthy Volunteers
Investigator: S. Zev Williams, MD, PhD
Status: Currently Recruiting
Researchers at Columbia are looking at the changes that happen in the placenta when people become pregnant. Participation in this study involves a blood draw at three time points. Participants will be paid $50 at each time point. Participants who complete all three time points will receive bonus compensation.
Condition: Healthy Volunteers
Investigator: Keith Diaz, PhD
Status: Currently Recruiting
U.S. Adults spend on average 11 to 12 hours a day sitting. Daily sedentary behavior is strongly associated with the risk of heart disease. The purpose of the BREAK II research study is to answer two questions: (1) How frequently should periods of prolonged sedentary time be interrupted? and (2) What is the appropriate duration or length of time of these…
Condition: Healthy Volunteers
Investigator: David Brenner, PhD
Status: Currently Recruiting
The purpose of this study is to use blood from healthy people to develop a test to see if people have been exposed to radiation. Between 2 and 3 tablespoons of blood will be drawn from your arm. The blood will be tested with radiation in our laboratory at the Center for Radiological Research at the Columbia University Irving Medical Center. We will measure…
Condition: Transplant / Stem Cell Transplant
Investigator: Ran Reshef, MD
Status: Currently Recruiting
The purpose of this study is to monitor you for any delayed side effects that may possibly be related to the experimental gene-modified therapy product you received in the Kite-sponsored study for Axicabtagene ciloleucel (axi-cel). The main study does not involve treatment. In the re-treatment portion, you will be provided access to a second course of…
Condition: Transplant / Kidney Transplant
Investigator: Joshua Weiner, MD
Status: Currently Recruiting
This is a 60-month adaptive to evaluate three siplizumab-based treatment regimens in kidney transplant recipients. The purpose of this research study is to see if the anti-rejection medications that patients normally take after transplant can be reduced or stopped completely by using several medications including the investigational drug siplizumab in the…
Condition: Healthy Volunteers
Investigator: Sharon Wardlaw, MD
Status: Currently Recruiting
The goal of this project is to understand why bariatric surgery is such an effective treatment for obesity with a focus on brain mechanisms. Cerebrospinal fluid neuropeptides, hormones, and protein levels will be measured in subjects before and after bariatric surgery as compared with subjects before and after diet-induced weight loss. Participants in the…
Condition: Healthy Volunteers
Investigator: Magdalena Sobieszczyk, MD
Status: Currently Recruiting
We are looking for individuals 18 to 60 years old who are interested in learning more about HIV prevention and biomedical research studies. We will ask you to complete a brief questionnaire to find out if we can schedule you for a one-on-one, 1.5-hour education visit to learn about the research we do. The education visit will help you decide if you want to…
Condition: Healthy Volunteers
Investigator: Philip De Jager, PhD
Status: Currently Recruiting
The purpose of this study is to establish a collection of biological fluids and associated data from healthy individuals to determine how genetic and environmental variation affects the immune system. Study visits consist of taking vitals and collecting biological fluids, such as blood. You will be compensated for participating in this study.
Condition: Healthy Volunteers
Investigator: Lila Davachi, PhD
Status: Currently Recruiting
The Davachi Lab is currently running research studies to investigate information processing. These behavioral studies may involve looking at neutral images on a computer screen (such as objects, faces, or scenes) and/or listening to neutral auditory sounds (such as natural ambiance or artificial tones), and making judgments about them. In this study,…
Condition: Healthy Volunteers
Investigator: Christine Kim Garcia, MD
Status: Currently Recruiting
The purpose of this study is to identify genetic causes of lung diseases and to develop a research repository so that we can better understand, prevent and treat these conditions. You have been asked to join this study as a healthy control. Even though you do not have lung disease, your sample is valuable to us. For example, you may be related to someone…
Condition: Healthy Volunteers
Investigator: Philip De Jager, PhD
Status: Currently Recruiting
The Snapshot study aims to understand brain and spinal cord aging in healthy individuals and individuals with multiple sclerosis (MS). We aim to identify new tools that will help us to achieve successful brain aging in the general population and in people with an underlying autoimmune disease. A critical aspect of this study is that we are looking for…
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