236 Studies Now Enrolling
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Displaying 1 - 23 of 23
Condition: Transplant / Kidney Transplant
Investigator: Lloyd Ratner, MD, MPH, FACS
Status: Currently Recruiting
The main goal of this clinical trial is to determine if an investigational medication called VEL101 is safe, well tolerated, and effective in people receiving a new kidney transplant. Participants will be randomly assigned to 2 different doses of VEL-101 or to tacrolimus, which is standardly used post-transplant to prevent rejection. Participants will be…
Condition: Neurological Disorders / Dementia
Investigator: Justin Golub, MD, MS
Status: Currently Recruiting
Early Age-Related Hearing Loss Investigation (EARHLI) is a study to obtain information on how a hearing aid-based intervention can prevent cognitive decline in those at risk for Alzheimer's Disease and Alzheimer's Disease Related Dementias (AD/ADRD). Age-related hearing loss (ARHL) is the third most common chronic condition in older adults. The…
Condition: Neurological Disorders / Dementia
Investigator: Christiane Reitz, MD, PhD
Status: Currently Recruiting
We are recruiting individuals and/or families with members under the age of 65 who have dementia or are experiencing memory problems. Our initial screening can be completed in person or over the phone. The evaluation will take about 1 to 1.5 hours per person and includes a: 1. Blood sample (5 tablespoons) or saliva (1 teaspoon) collection: These blood…
Condition: Neurological Disorders / Dementia
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: Transplant / Kidney Transplant
Investigator: Marcus Pereira, MD, MPH
Status: Closed
This purpose of this study is to understand the interaction between two different medications, tacrolimus and Paxlovid (nirmatrelvir/ritonavir), in patients who have had a kidney transplant and are being treated by their doctor for COVID-19 infection. Tacrolimus is an oral medication that is used standardly in kidney transplant recipients to prevent…
Condition: Transplant / Kidney Transplant
Investigator: Joshua Weiner, MD
Status: Closed
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: Surgery
Investigator: Bret Taback, MD
Status: Closed
The purpose of this study is to test an investigational device called the Echopulse for treatment of breast fibroadenomas in women. Fibroadenomas are benign (noncancerous) breast tumors. These lumps can occur alone, in groups, or as a complex of lumps together. Sometimes women feel these in the breast when doing regular self-breast exams, or they may be…
Condition: Transplant / Kidney Transplant
Investigator: Elizabeth Verna, MD
Status: Closed
Kidney transplant extends life, improves quality of life, and reduces healthcare costs. Unfortunately, there are not enough donated kidneys, so many people who need a transplant spend years on the waiting list. Kidneys from organ donors who have hepatitis C virus (HCV) are often thrown away, but these kidneys work well, and hepatitis C can be cured. The…
Condition: Transplant / Kidney Transplant
Investigator: Lloyd Ratner, MD, MPH, FACS
Status: Closed
The purpose of this study is to determine if an investigational drug called tegoprubart (also known as AT1501) is safe and effective in preventing rejection in patients who are undergoing a kidney transplant for the first time. Participants will be randomly assigned to tegoprubart or standard treatment with tacrolimusat the time of transplant. If you have…
Condition: Neurological Disorders / Dementia
Investigator: Sairam Geethanath, PhD
Status: Closed
A significant focus of healthcare research is aimed at biomarker discoveries in brain and heart diseases in particular, and their impact on the human body in general. MRI is a key component in these healthcare services. It provides a non-invasive and non-ionizing approach to diagnose pathologies along with significant internal and external contrast…
Condition: Neurological Disorders / Dementia
Investigator: Lawrence Honig, MD, PhD
Status: Closed
This study is of a drug called CT1812, that is being evaluated as a possible treatment for Dementia with Lewy Bodies. In this study, which is carried out at multiple sites in the country, participants receive either CT1812 at one of two doses or placebo. The duration of the study is up to about 35 weeks. Participants receive blood tests, cerebrospinal fluid…
Condition: Neurological Disorders / Dementia
Investigator: Lawrence Honig, MD, PhD
Status: Closed
This is a research study for persons with memory problems that examines the utility of performing positron emission tomography (PET) scans for the brain amyloid protein found in Alzheimer's disease.
Condition: Surgery
Investigator: Marcos Vidal Melo, MD, PhD
Status: Closed
We are asking you to participate in a research study to learn if different ways of doing routine anesthesia and patient care before, during and after abdominal surgery can reduce breathing problems. The total time of the study is 3 months with daily visits by a member of our study team while you are in the hospital and 3 short follow-up calls after you…
Condition: Neurological Disorders / Dementia
Investigator: Edward Huey, MD
Status: Closed
Columbia Medical Center is recruiting for a study to test whether the drug oxytocin can improve symptoms of emotion and behavior (e.g. apathy) in people with frontotemporal dementia. The study will last for up to 24 weeks (6 months). This is a crossover study, which means that each participant will receive both oxytocin and placebo (medically inactive…
Condition: Transplant / Kidney Transplant
Investigator: Thomas Nickolas, MD, MS
Status: Closed
Kidney transplant patients are at a higher risk for bone fractures compared to the general population. We are doing a clinical trial to examine the effects of 12-months of treatment with denosumab, a monoclonal antibody against RANKL, on bone density and strength as determined by bone imaging and by non-invasive measures of bone activity from blood and…
Condition: Surgery
Investigator: Nicholas Morrissey, MD
Status: Closed
You are being asked to be part of this study because you have been diagnosed with a bulge or aneurysm in your iliac arteries, the vessels that supply blood to the lower half of your body. As an aneurysm expands, the walls become weak and may rupture, causing a major loss of blood with a high risk of death and other serious complications. To avoid this risk…
Condition: Neurological Disorders / Dementia
Investigator: Lawrence Honig, MD, PhD
Status: Closed
This is a 22-week treatment, multicenter, double-blind, placebo-controlled, parallel group, Phase 2 study to evaluate the efficacy, safety, and tolerability of the study drug E2027, in participants with Dementia with Lewy Bodies (DLB) Lewy Body Dementia - LBD. The main purpose of this research study is to find if a new drug called E2027 works in people who…
Condition: Surgery
Investigator: William Levine, MD
Status: Closed
The study is designed to evaluate the safety and effectiveness of the InSpace device as a primary surgical treatment for a full thickness Massive Rotator Cuff Tears (MRCT) in comparison to Partial Repair of a full thickness MRCT performed during an arthroscopic procedure.
Condition: Surgery
Investigator: Danielle Bajakian, MD
Status: Closed
The purpose of this research study is to compare the safety and effectiveness of two drug-eluting stents that are used to open the blocked or narrowed blood vessel of the leg in patients with Peripheral Artery Disease (PAD): the ELUVIA Stent and the Zilver PTX Stent.
Condition: Transplant / Kidney Transplant
Investigator: Mark Hardy, MD
Status: Closed
Subjects who undergo a kidney transplant require long term use of anti-rejection (immunosuppressive)drugs to prevent their body's immune system from attacking and damaging the newly transplanted kidney (rejection).The purpose of this study is to evaluate benefits and risks of two combinations(regimens) of immunosuppressive therapies: Thymoglobulin…
Condition: Surgery
Investigator: Michael Argenziano, MD, FACS
Status: Closed
Thepurposeof the study is to test whether or not QPI-1002 could be used to lessen or prevent acute kidney injury after heart surgery. Another purpose is to better understand the safety of QPI-1002.
Condition: Transplant / Kidney Transplant
Investigator: Lloyd Ratner, MD, MPH, FACS
Status: Closed
The purpose of this research study is to see if an investigational drug, BB3, is safe and effective forincreasing the amount of urine that a transplanted kidney will produce. An investigational drugis one that is not approved by the United States Food and Drug Administration (FDA). BB3 is agrowth factor-like drug, which means that it can affect cell…
Condition: Surgery
Investigator: Jeffrey Geller, MD
Status: Closed
The purpose of this study is to evaluate the short-term (1 year) and long-term (5 and 10 year) safetyand effectiveness of the JOURNEY II CR Total Knee System in patients with degenerative joint disease of the knee requiring primary total knee replacement. Clinical, radiographic, and health economic outcomes will be evaluated.