This research is being done to better understand rejection in transplant recipients with HIV who receive kidneys 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).
Clostridioides difficile (C. difficile) is a bacterium (germ) that can spread from one person to another causing severe diarrhea (watery poop) that at its worst can lead to death. Pfizer has been studying an investigational vaccine to prevent diarrhea caused by C. difficile. To be part of this study you must be 65 years old or older and have one or more of…
****The WiseApp in Spanish Study is looking for Spanish-speaking People Living with HIV Residing in the NYC Area**** Are you living with HIV? Are you 18 years or older? Are you a Spanish speaker? Do you own a smartphone? Are you interested in learning more about your health? We are conducting a study at Columbia University School of Nursing to learn more…
Are you suffering from persistent symptoms that began after you were diagnosed and treated with antibiotics for Lyme Disease? This new research study aims to test a new form of treatment for people with persistent symptoms despite antibiotic treatment for Lyme disease. This treatment involves stimulating a nerve on the surface of your ear. This is called…
Thank you for your interest in our research! We are studying how life experiences impact brain health and memory in people with and without HIV. Your participation can help advance science and improve future care. What's involved? You'll come to the Columbia University Irving Medical Center for a one-time visit, which includes a blood draw, urine…
The main purpose of this study is to look at whether experimental study drugs are safe, whether your body can handle the effects, and whether these study drugs improve the body's response to human immunodeficiency virus (HIV) in people with HIV (PWH) who started antiretroviral therapy (ART) early after getting HIV-1. The study treatments include: a…
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…
A complication that can occur after liver transplant (LT) is rejection, in which the patient's immune system damages the transplanted liver. This complication can be prevented with immunosuppressant medications, which are routinely used after LT. The main purpose of this study is to determine if bacteria in the intestine (gut microbiome) may affect the…
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…
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…
Have you been treated for Lyme Disease but continue to have brain fog or other cognitive problems? This research study will assess a non-medication non-invasive intervention to improve cognitive functioning in people with persistent cognitive problems despite prior antibiotic treatment for Lyme Disease. Participants will complete this 4 week intervention at…
This patient case registry for Lyme and other Tick-borne Diseases is a component of the Clinical Trials Network that was launched in 2021 by a grant from the Steven and Alexandra Cohen Foundation. The registry will gather general information such as demographics, medical history, and current functional status. This information will help researchers to…
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.…
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…
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).
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).
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).
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…
Do you identify as a woman or transgender person, or do you have a non-binary gender identity? Has a medical provider ever diagnosed you with a sexually transmitted infection or recommended PrEP/another HIV prevention method? We are conducting a study to understand attitudes and preferences regarding HIV prevention methods among people who do not have HIV.…
We are looking for individuals 18 to 65 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…