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Displaying 201 - 311 of 311
Condition: Heart Disease
Investigator: Robert Sommer, MD
Status: Closed
The REDUCE LAP-HF I study is being conducted to evaluate the safety and performance of the InterAtrial Shunt Device (IASD) for patients with elevated left atrial pressure who remain symptomatic despite appropriate medical management. Placed by an interventional cardiologist during a standards catheter-based procedure, the IASD system creates a very small…
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: 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: Heart Disease
Investigator: Daniel Wang, MD
Status: Closed
The purpose of this study is to collect information about the safety and performance of the investigational leads ACUITY X4 and RELIANCE 4-FRONT. Patients who have been determined to require a Cardiac Resynchronization Therapy Defibrillator (CRT-D) to treat their heart condition will be eligible to be implanted with one or more investigational leads. The…
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: Valve Disease / Mitral Valve Disease
Investigator: Susheel Kodali, MD
Status: Closed
The purpose of this study is to evaluate a new device to treat patients who may benefit from the repair of their mitral heart valve due to mitral regurgitation. The device is called the Edwards Cardioband System (Edwards Cardioband System or the device). The device is investigational in the United States but has been approved in Europe. This clinical study…
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: 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: Valve Disease / Aortic Valve Disease
Investigator: Tamim Nazif, MD
Status: Closed
The objective of this study is to collect outcome data on valve performance and a pre-specified TAVR care pathway. Transcatheter aortic valve replacement (TAVR) has been shown to be a safe and effective treatment for patients with severe aortic stenosis who are at extreme, high, or intermediate surgical risk. Since CoreValveTM became commercially approved…
Condition: Heart Disease / Valve Disease
Investigator: Susheel Kodali, MD
Status: Closed
This research study is for patients with severe aortic stenosis. Patients may be considered for this study if they have a diseased aortic heart valve and who are at low operative risk for standard (traditional) open-heart surgery for aortic valve replacement (TAVR).
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: Heart Disease
Investigator: Mathew Maurer, MD
Status: Closed
The purpose of this study is to see if study drug GS-6615 improves the symptoms of Hypertrophic Cardiomyopathy (HCM) and helps the heart work better. HCM is a disease that affects the muscle of the heart. HCM is a condition in which the heart muscle becomes abnormally thick for no clear reason. This can make it harder for blood to enter and leave the heart…
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: Heart Disease / High Blood Pressure
Investigator: Usha Krishnan, MD
Status: Closed
The purpose of this study is to find out more about how physical activity monitors can help assess patients with pulmonary hypertension. We hope to find a relationship between the data on physical activity monitors and the tests that routinely done in patients with pulmonary hypertension.
Condition: Healthy Volunteers
Investigator: Loren Gianini, PhD
Status: Closed
The goal of this study is to better understand why some people have managed to lose weight and keep it off while others have not. We are recruiting people who have lost weight and kept it off as well as healthy non-dieters with overweight or obesity who are not trying to lose weight. Study participation involves computer tasks, brain imaging, and eating a…
Condition: Heart Disease
Investigator: Michael Borger, MD
Status: Closed
The purpose of this clinical investigation is to collect human clinical data in order to demonstrate thatthe EDWARDS INTUITY Valve System, EDWARDS INTUITY Aortic Valve, Model 8300ACA/ACD issafe and works properly as an aortic valve replacement and that the EDWARDS INTUITY ValveSystem, EDWARDS INTUITY Delivery System, Model 8300DCA/DCD is safe and works…
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: Heart Disease
Investigator: Mathew Maurer, MD
Status: Closed
A drug study looking at the effects of 10 mg Dapagliflozin vs. Placebo in patients with Heart Failure and Preserved Ejection Fraction (HFpEF) with either diabetes or pre-diabetes.
Condition: Healthy Volunteers
Investigator: Marla Hamberger, PhD
Status: Closed
The purpose of this project is to develop a set of word finding or naming tests for adults, ages 66 and above. The main task involves 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 word reading, number repetition,…
Condition: Healthy Volunteers
Investigator: Carmela Alcantara, PhD
Status: Closed
The Latino Sleep and Health Study (LASH) is a community study of Latino adults that is focused on understanding the relationship between sleep, stress, self-control, and health. Participation in LASH is fairly simple. If you are found eligible after taking the screener, you will be asked to complete an in-person survey. You can earn $20 for after completing…
Condition: Healthy Volunteers
Investigator: Sharon Mannheimer, MD
Status: Closed
This is a COVID transmission study happening across the US to help us learn whether the COVID-19 vaccine stops the spread of the SARS-CoV-2 virus (COVID): both initial infection and transmission to others. The answer to this question can have an important impact on all of our lives. Currently we are enrolling unvaccinated people. You will not be required to…
Condition: Heart Disease
Investigator: Tamim Nazif, MD
Status: Closed
This observational study is designed to collect and evaluate information describing patients undergoingTAVR using two different clinical pathways. Information describing both groups will be analyzed tocompare safety and clinical outcomes. A quality of life and cost analysis will be performed to comparepatients in the Vancouver 3M Clinical Pathway with those…
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: Thomas Nickolas, MD, MS
Status: Closed
The BoneGN study will help us learn how bones and muscles are responding to Glomerular Diseases. These conditions may gradually weaken bones and increase the risk of having a fracture (broken bone). In the future, the results can contribute in developing strategies to improve the bone health. We are looking for healthy children and adults between 5 and 55…
Condition: Heart Disease
Investigator: Ziad Ali, MD
Status: Closed
The purpose of this study is to compare the safety and effectiveness of an approved medical device (OCT) which will be used to help select and guide the stenting procedure by collecting images and flow measurements inside the blocked arteries in comparison to both standard angiography and another medical device (IVUS). Coronary Artery Disease is the…
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: Heart Disease / Peripheral Arterial Disease
Investigator: Sahil Parikh, MD
Status: Closed
The purpose of this study is to deterimine if the Drug-Coated Chocolate Touch Balloon Catheters is safe and effective compared to a drug-coated balloon that is already approved in patients with a blockage in the blood vessels of their leg.
Condition: Healthy Volunteers
Investigator: Magdalena Sobieszczyk, MD
Status: Closed
Almost 40,000 people get HIV in the U.S. each year and almost all occur via sexual contact, especially male-to-male contact. The number of new infections has decreased slightly each year, however, we need other HIV prevention tools, such as developing a greatly, effective HIV vaccine, to better reduce HIV infections. SCREENING AND EDUCATION: 1. Consent will…
Condition: Heart Disease / Peripheral Arterial Disease
Investigator: Sahil Parikh, MD
Status: Closed
This study is to test if a combination drug/device therapy using TEMSIROLIMUS (Temsirolimus Injection), with or without the generic steroid DEXAMETHASONE (Dexamethasone Sodium Phosphate Injection), can be delivered safely into the tissue around the blood vessel wall at the time of an angioplasty ( which is a a procedure to open blocked arteries and restore…
Condition: Heart Disease / Cardiomyopathy
Investigator: Arthur Reshad Garan, MD
Status: Closed
The purpose of this outpatient study is to examine if oral Spironolactone (100mg/day) in addition to loop diuretics (water pills) can improve signs and symptoms of fluid retention in patients with heart failure and prevent hospitalization.
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: Heart Disease
Investigator: Michael Argenziano, MD, FACS
Status: Closed
The purpose of this study is to evaluate the safety and performance of the CytoSorb device to reduce plasma free hemoglobin when used intra-operatively with cardiopulmonary bypass (CPB) in subjects undergoing cardiac surgery.
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: Heart Disease / Heart Failure
Investigator: Yoshifumi Naka, MD
Status: Closed
The purpose of the study is to characterize von Willebrand Factor (VWF) profiles in patients receiving HeartMate 3 (HM3) and compare them to HeartMate II (HMII) Left Ventricular Assist Device (LVAD).
Condition: Healthy Volunteers
Investigator: Marie-Pierre St-Onge, PhD
Status: Closed
We are doing this research study to find out how different amounts of sleep restriction affect yourbody's ability to generate heat. This study will determine the effects of partial sleep restriction (PSR) (4 h in bed) and total sleep deprivation (TSD) (0 h in bed) compared to a full night of habitual sleep (HS)(8 h in bed) on brown adipiose tissue (…
Condition: Heart Disease / Valve Disease
Investigator: Martin Leon, MD
Status: Closed
The purpose of this study is to find out if the mitral valve can be safely replaced using a procedure that issimpler than the open-heart procedure being used today and may be safer for patients who are at ahigher risk from conventional open-heart surgery. The device being studied would be implanted without the need for an open-heart procedure and without…
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 / 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: Heart Disease
Investigator: Ajay Kirtane, MD, SM
Status: Closed
The purpose of this study is to find out whether an experimental device, called HeartMate PHP, can safely help maintain blood flow during angioplasty, and to compare it to an FDA approved device called Impella. This study will also evaluate the safety and efficacy of the HeartMate Percutaneous Heart Pump (HeartMate PHP) when used in patients who are…
Condition: Healthy Volunteers
Investigator: Keith Diaz, PhD
Status: Closed
The phrase sitting is the new smoking has been coined due to an increase of excessive sitting in middle- and older-aged adults. However, there are currently no specific guidelines for the best way to break up long periods of sitting. This study will look at the effect of breaking up sitting periods with movement breaks on blood sugar levels. We are looking…
Condition: Heart Disease / Heart Failure
Investigator: Koji Takeda, MD, PhD
Status: Closed
The purpose of this study is to evaluate the NuPulseCV intravascular ventricular assist system (iVAS), a device similar to an Intra-aortic Balloon Pump (IABP) that helps circulate blood from the heart throughout the rest of the body. This study aims to: (1) See if the iVAS improves your blood circulation (2) Better understand how the iVAS device could…
Condition: Healthy Volunteers
Investigator: Yaakov Stern, PhD
Status: Closed
Train the Brain Study: The purpose of this study is to investigate the effect of a web-based (remote, at home) computerized cognitive training protocol on cognitive performance in healthy older adults. Thetraining will involve a daily life situation in a multi-task context. If you are eligible, you will be asked tocomplete 13 web-based sessions, twice a…
Condition: Heart Disease
Investigator: Frederick Ehlert, MD
Status: Closed
The purpose of this study is to assess the safety and effectiveness of a pacing device, Micra Transcatheter for patients who have been recommended to get a pacemaker because their heart beats irregularly or is too slow at certain times. A pacemaker senses your hearts activity and stimulates your heart if needed. In this study you will get a Medtronic Micra…
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: Heart Disease / Peripheral Arterial Disease
Investigator: Sahil Parikh, MD
Status: Closed
This study is for patients who suffer from a condition where one of the blood vessels that deliver blood to your leg has a significant narrowing. This is called peripheral artery disease (PAD). The narrowing may be suitable for a treatment technique called balloon angioplasty. One of the therapies that has been used to treat PAD is balloon angioplasty. It…
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: Cassia Wells, MD
Status: Closed
Antibodies are one of the natural ways that our bodies fight or prevent infection. We're testing an antibody to find out if it's 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. First, request to be contacted…
Condition: Healthy Volunteers
Investigator: Marc Richmond, MD
Status: Closed
Patients with hypoplastic left heart syndrome and other single right ventricle lesions who have undergone the Fontan procedure have a high risk of neurodevelopmental disorders that affect quality of life and adulthood employment. This study will leverage the ongoing National Heart, Lung, and Blood Institute (NHLBI)-funded Single Ventricle Reconstruction…
Condition: Heart Disease
Investigator: Emily Tsai, MD
Status: Closed
This study will help evaluate the progression of heart disease in people with heart failure. This will be done using 2 MRI studies, as well as a few blood tests. Depending which group you fall into you will come in for either 3 or 4 visits and 1 phone call at the 1 year mark.
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 it doesn't make people feel uncomfortable and to find out what may be the best dose if its given by IV infusion or sub-cutaneous injection. You cannot get HIV from the Bispecific Antibody. We'll ask you to…
Condition: Heart Disease / Peripheral Arterial Disease
Investigator: Sahil Parikh, MD
Status: Closed
This study is to collect information about the symptoms and treatments of patient who have severely clogged arteries and to learn about their outcomes at one year. If you choose to be part of this research, we will ask you to be involved in five interviews with study staff. Each interview will take about 30 minutes of your time and we will contact you…
Condition: Heart Disease / Arterial Disease
Investigator: Michael Collins, MD
Status: Closed
This study is for patients with Coronary Artery Disease (CAD) and require a stent placement. The purpose of this clinical research study is to assess the safety and effectiveness of the Orsiro stent or a non-investigational Xience stent. The Orsiro stent is investigational, which means it is not yet approved by the FDA and can only be used in research…
Condition: Healthy Volunteers
Investigator: Allison Borowski, MD
Status: Closed
We are currently recruiting women to TMIST, a clinical trial that will help us develop strategies that tailor breast cancer screening to the risks of individual women. This is a screening trial. The purpose of this trial is to determine if tomosynthesis (3-D) mammography detects breast cancer at earlier stage than current method of 2-D digital mammography.
Condition: Heart Disease / Coronary Artery Disease
Investigator: Susheel Kodali, MD
Status: Closed
This is a research study designed to look at the safety and effectiveness of the TriGUARD 3 cerebral embolic protection device in patients undergoing transcatheter aortic valve implantation (TAVI). The purpose of the study is to assess whether the TriGUARD 3 can prevent death, stroke, more subtle signs of brain injury, and/or silent brain injury as measured…
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: Healthy Volunteers
Investigator: Jeffrey Shaman, PhD
Status: Closed
You are invited to participate in a study that seeks to understand how respiratory virus infections affect human hosts at various stages of symptomology and predict future wellness states using biophysical measurements from a smartwatch. The goals are to identify biomarkers predictive of symptom outcome and develop early wellness prediction models. The…
Condition: Heart Disease / Cardiomyopathy
Investigator: Gregg Rosner, MD
Status: Closed
The purpose of this trial is to determine if people with impaired heart function, that may have been induced with chemotherapeutic drugs and/or radiation, will have improved heart function with a cardiac device that can pace the heart more efficiently using cardiac resynchronization therapy.
Condition: Healthy Volunteers
Investigator: Helen Simpson, MD, PhD
Status: Closed
Obssesive Compulsive Disorder (OCD) and related disorders characterized by repetitive thoughts and behaviors (e.g., Tourette Syndrome and Eating Disorders) are severe conditions that lead to significant health-related disability. Dysfunction in the brain circuits involved in cognitive control and reward processing are thought to contribute to the symptoms…
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: Valve Disease / Mitral Valve Disease
Investigator: Susheel Kodali, MD
Status: Closed
This trial is a non-randomized, prospective, multi-center early feasibility study to evaluate the safety and performance of the AccuCinch system in patients with Heart Failure and Reduced Ejection Fraction HFrEF
Condition: Heart Disease
Investigator: Rebecca Hahn, MD
Status: Closed
This study is for patients who suffer from a leakage of blood within on of the valves of the heart. The leakage of blood is also called regurgitation. The valve that is leaking is called the tricuspid valve and it is located within the right side of the heart. This condition is referred to as functional tricuspid regurgitation (FTR). The treatment of FTR…
Condition: Heart Disease
Investigator: Robert Sommer, MD
Status: Closed
The ASD study has been designed to treat patients with an atrial septal defect with the use of the cardioform ASD occluder delivery system. The study will evaluate how safe the cardioform device is and how effective it is when treating patients with an atrial septal defect.
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: Moise Desvarieux, MD, PhD
Status: Closed
We are looking for people ages 65 and older to help us evaluate if an investigational drug improves muscle function, which can reduce risk of falls and fractures. To be considered for the study, you: 1. Must complete a pre-screening phone interview to assess your eligibility 2. If you are eligible, you will be invited to attend an in-person appointment at…
Condition: Heart Disease
Investigator: Amardeep Saluja, MD
Status: Closed
The primary objective of the TactiFlex PAF IDE clinical trial is to demonstrate that ablation with the TactiFlex Ablation Catheter, Sensor-Enabled (TactiFlex SE), in conjunction with a compatible RF generator and three-dimensional mapping system, is safe and effective for the treatment of drug refractory, symptomatic paroxysmal atrial fibrillation (PAF)…
Condition: Heart Disease
Investigator: Jose Dizon, MD
Status: Closed
The purpose of this study is to test whether a device called an implantable cardiac defibrillator (ICD)can increase the likelihood of survival in patients at risk of heart rhythm irregularities as determinedby the analysis of a 24 hour monitor that is performed within 2 to 15 months after a heart attack. AnICD is a device that is implanted under the skin…
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: Heart Disease / Coronary Artery Disease
Investigator: Dimitrios Karmpaliotis, MD
Status: Closed
A study evaluating the placement of any guidewire beyond complex narrowed arteries that are relatively common in patients undergoing ballon angioplasty (a procedure where a balloon is used to stretch open narrowed arteries). At least one Teleflex guidewire and at least one Turnpike catheter is used. The guidewires and catheters that are being studied are…
Condition: Heart Disease
Investigator: Ian Kronish, MD
Status: Closed
Many patients want to know which blood pressure medication is the best for them. In this study, we will test the feasibility of a new approach to determining the best blood pressure (BP) medication for individual patients by performing an N-of-1 trial in which patients will have the opportunity to test a series of 3 blood pressure medications at escalating…
Condition: Healthy Volunteers
Investigator: Sharon Oberfield, MD
Status: Closed
We are recruiting boys between 3-9 years old and girls between 3-8 years old to participate in a research study. Children who would like to participate must be healthy and not showing signs of puberty. The goal of the study is to understand the relationship between early body development, metabolism (sugars and fats processing), and the saliva microbiome (…
Condition: Healthy Volunteers
Investigator: Richard Sloan, PhD
Status: Closed
The purpose of this research study is to determine whether ambulatory monitoring of blood pressure measured by a finger touch blood pressure monitor is a viable approach to measuring blood pressure in the field. A secondary aim is to determine whether the finger touch blood pressure monitor is influenced by individual differences in current stress levels…
Condition: Heart Disease
Investigator: Erika Berman-Rosenzweig, MD
Status: Closed
The purpose of this study is to better understand how common CTEPH is, how the disease affects the body, and how different treatments work. This is in hope to learn how to better care for patients with this disease. Participants will be asked to complete questionnaires about their quality of life and symptoms and medical records will be looked at.
Condition: Healthy Volunteers
Investigator: Brooke Aggarwal, EdD, MS, FAHA
Status: Closed
This study is active but is no longer enrolling new subjects.
Condition: Heart Disease
Investigator: Amardeep Saluja, MD
Status: Closed
This study is a prospective, randomized, multi-center, global investigation to determine if left atrial appendage closure with the WATCHMAN FLX Device is a reasonable alternative to oral anticoagulation in patients after AF ablation.
Condition: Heart Disease / Valve Disease
Investigator: Emile Bacha, MD
Status: Closed
The purpose of this study is to gather more information about how effective the St. Jude Medical (SJM) TMMasters Series 15mm Rotatable Mechanical Heart Valve (15mm valve) is at treating a child's condition, as well as collecting information about the safety of the valve. The childs surgeon will have determined that child will likely require the 15mm…
Condition: Healthy Volunteers
Investigator: Suzanne Lewis, MD
Status: Closed
While optical colonoscopy (OC) is considered the gold standard for colorectal cancer screening, there are alternative approaches to visualization of the colon. Participants will receive screening by either colon capsule endoscopy (CCE) and computed tomographic colonography (CTC). They will be instructed to follow a detailed colon preparation regimen prior…
Condition: Heart Disease
Investigator: Susheel Kodali, MD
Status: Closed
Study for subjects with moderate-to-severe or severe functional mitral regurgitation (MR) and you have been determined to have symptoms due to heart failure despite being treated with currently available therapies, and are not an appropriate candidate for mitral valve surgery.
Condition: Healthy Volunteers
Investigator: Jonathan Posner, MD
Status: Closed
Children with Attention-Deficit/Hyperactivity Disorder (ADHD) are typically treated with two types of medications: stimulants and non-stimulants. These medications work in different ways to treat ADHD symptoms, but we do not fully understand the brain mechanisms underlying the medications' effects. This study will use MRI scanning to look at changes in…
Condition: Heart Disease / Valve Disease
Investigator: Martin Leon, MD
Status: Closed
The goal of this study is to assess the safety and function of this new device to insert an artificial mitral valve. This study is for patients who are a high risk candidate for standard openheart surgery to treat their mitral regurgitation. The standard medical treatments generally available to patients with mitral regurgitation who do not undergo surgery…
Condition: Healthy Volunteers
Investigator: Magdalena Sobieszczyk, MD
Status: Closed
We are working on a new HIV vaccine study that builds on past success and other ongoing studies. This new study is called HVTN 120 and is testing a vaccine for HIV prevention. The Thai Trial has been the only study where the vaccines were partially protective in preventing HIV. We learned a lot from that study, and are now improving on next generation of…
Condition: Heart Disease / Coronary Artery Disease
Investigator: Tamim Nazif, MD
Status: Closed
The Saranas Early Bird Bleed The Saranas study uses a device is called the Early Bird Bleed Monitoring System (EBBMS) and it is intended to provide physicians with an early indication of a potential internal bleeding complication due to vessel injury that may occur during the procedure before any symptoms present.
Condition: Healthy Volunteers
Investigator: Kimberly Morel, MD
Status: Closed
This clinical study is being conducted for research purposes. The study cream, SD-101 (Zorblisa), has allantoin as the active ingredient and is being investigated for the treatment of the skin lesions which occur in patients with Epidermolysis Bullosa. The purpose of this clinical study is to study the effectiveness and safety of SD-101 (Zorblisa) in…
Condition: Healthy Volunteers
Investigator: Loren Gianini, PhD
Status: Closed
The goal of this study is to better understand why some people have managed to lose weight and keep it off while others have not. We are recruiting people who have lost weight and kept it off as well as healthy non-dieters with overweight or obesity who are not trying to lose weight. Study participation involves computer tasks, brain imaging, and eating a…
Condition: Heart Disease / Arterial Disease
Investigator: Susheel Kodali, MD
Status: Closed
The purpose of this research study, is to learn whether an experimental device (called Evolut R) can help clear hardened blockage in coronary arteries (blood vessels that feed the heart muscle) in patients with a disease is called aortic stenosis.Subjects that choose to participate and are eligible will have their interventional cardiologist use this device…
Condition: Healthy Volunteers
Investigator: Carolyn Westhoff, MD
Status: Closed
Tired of having to remember to take your birth control? If you are a woman between the ages of 18 and 35, are pre-menopausal, sexually active and do NOT wish to become pregnant, you are invited to see if you may qualify for a research study. The purpose of this research study is to test the effectiveness of an investigational contraceptive vaginal ring. If…
Condition: Heart Disease
Investigator: Torsten Vahl, MD
Status: Closed
This is a multicenter, prospective randomized study to determine the safety and efficacy of the Watchman device in patients with irregular heart beat undergoing a less invasive procedure than open heart surgery called Transcatheter Aortic Valve Replacement (TAVR). In this procedure, an x-ray is used to visualize and guide the Watchman device via a catheter…
Condition: Healthy Volunteers
Investigator: Eldad Hod, MD
Status: Closed
This study is for healthy volunteers. Volunteers who agree to be part of this research will be requested to donate up to 4 tube(s) of blood (approximately 4 teaspoons). The blood will be tested for 5 standard clotting assays. Volunteers will be asked to fill out a questionnaire as well. Compensation for completion of this study is $20.
Condition: Healthy Volunteers
Investigator: Blandine Laferrere, MD, PhD
Status: Closed
This pilot study is designed to examine the effect of a novel type of lifestyle intervention, administered via a smartphone app, on weight loss and improvement of metabolic health in individuals with overweight and/or obesity. A mobile application will be used to document eating behavior through photos. In addition, participants will receive personalized…
Condition: Heart Disease / High Blood Pressure
Investigator: Ajay Kirtane, MD, SM
Status: Closed
The study has been designed to demonstrate the efficacy and safety of the Paradise Renal Denervation System when treating patients with high blood pressure known as hypertension. When blood pressure is persistently elevated and pushes against the walls of the artery over a long period of time it is known to cause Hypertension. The Paradise Renal Denervation…
Condition: Heart Disease / Valve Disease
Investigator: Tamim Nazif, MD
Status: Closed
This is a prospective, single-arm, observational, multicenter registry. The intent is to gather information on the commercially approved device, device SAPIEN 3 Ultra transcatheter heart valve (THV). This valve consists of a short metal tube (stent) that holds the valve in its intended position and has valve leaflets made of biological material derived from…
Condition: Healthy Volunteers
Investigator: Julie Franks, PhD
Status: Closed
Almost 40,000 people get HIV in the U.S. each year and almost all infections occur via sexual contact, especially male-to-male contact. The number of new infections has decreased slightly each year; however, we need other HIV prevention tools, including an effective HIV vaccine, to better protect people from HIV infection. An HIV vaccine is the best long-…
Condition: Heart Disease / Cardiomyopathy
Investigator: Paul Schulze, MD
Status: Closed
This research study will evaluate the effectiveness of CEP-417 (Mesenchymal Precursor Cells (MPCs)) when administered through an injection catheter to your heart muscle improving your symptoms, helping your heart function better, improving your quality of life, and in reducing the number of times you may need to be hospitalized due to your heart failure.…
Condition: Healthy Volunteers
Investigator: Paula Castano, MD, MPH
Status: Closed
Do You Have a Mirena IUD? You may qualify for a study on the extended use of the Mirena IUD! You may qualify if you are 18 to 33 years old and had your Mirena placed in 2013. Compensation available for time and effort. Find out if you qualify!
Condition: Healthy Volunteers
Investigator: Rebecca Schnall, PhD, RN
Status: Closed
Take the Online Men's Health Survey (OMHS) today! Human Immunodeficiency Virus (HIV) and syphilis disproportionately affect men who have sex with men (MSM); however, this phenomenon is not well understood and is understudied in the United States. The OMHS study is being performed to help improve STI prevention and treatment services in the United…
Condition: Heart Disease / Arterial Disease
Investigator: Tamim Nazif, MD
Status: Closed
The purpose of this study is to survey patients who have undergone a percutaneous coronary intervention (PCI) at Columbia University Medical Center in which the physician used a stent called the Promus Premier stent. Patients will be asked to do a brief 15-30 minute survey regarding their health since the PCI and stent implantation.
Condition: Heart Disease
Investigator: Maryjane Farr, MD
Status: Closed
In this study, patients with heart failure, will undergo a cardiac catheterization procedure which either includes injections of stem cells from healthy young adults into the heart or a sham (mock) procedure that does not include injection of the stem cells. This is a study of an experimental product called rexlemestrocel-L.
Condition: Heart Disease
Investigator: Ajay Kirtane, MD, SM
Status: Closed
This study is for patients that have developed acute right ventricular failure or decompensation following LVAD implantation, post myocardial infarction, post heart transplant or post open heart surgery. The primary purpose for this study is to assess safety, feasibility and possible effectiveness of the use of the Impella RP System device in patients with…
Condition: Healthy Volunteers
Investigator: Eldad Hod, MD
Status: Closed
One of the consequences of donating blood is iron deficiency. In this study, we will screen healthy frequent blood donors for iron deficiency. We will enroll iron deficient donors and randomize them to intravenous iron treatment or placebo in order to determine whether iron deficiency has any harmful effects on the blood supply and the donors themselves.
Condition: Heart Disease / Coronary Artery Disease
Investigator: Ajay Kirtane, MD, SM
Status: Closed
This study has been designed to treat patient with coronary artery disease and demonstrate the superiority of the OCT device used to select and guide the stenting procedure when collecting images and flow measures inside the blocked artery.
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: 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: Heart Disease / Coronary Artery Disease
Investigator: Ajay Kirtane, MD, SM
Status: Closed
The purpose of this study is to collect data for evaluating VFR (Virtual Flow Reserve) in comparison with standard FFR (Fractional Flow Reserve) when patients undergo a percutaneous coronary intervention (PCI) to treat blockage or narrowing in the heart artery or arteries.
Condition: Heart Disease
Investigator: Jose Dizon, MD
Status: Closed
The purpose of this study is to compare the effectiveness and safety of a study drug called apixaban on patients with non-valvular atrial fibrillation during and after treatment to put them back into a normal heart rhythm (also known as cardioversion) .
Condition: Healthy Volunteers
Investigator: Karen Marder, MD, MPH
Status: Closed
This study is recruiting people who have a family history of a neurodegenerative diseases, such as Alzheimer's disease or other form of dementia including frontotemporal dementia and prion disease, who are interested in doing predictive genetic testing. Participants will complete questionnaires prior to testing and then 1 month and 6 months after…
Condition: Heart Disease
Investigator: Kelly Axsom, MD
Status: Closed
This study is looking to compare the regular dose flu shot to a high dose flu shot, in patients who have had a heart attack in the past year, or have been in the hospital for heart failure in the past 2 years. All subjects enrolled will receive a flu shot and will be closely monitored by the study team.
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: 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: Heart Disease
Investigator: Amirali Masoumi, MD
Status: Closed
The primary objective of this randomized controlled clinical trial is to evaluate the clinical efficacy and safety of the IASD System II in symptomatic heart failure patients with an LV ejection fraction 40%, and elevated left sided filling pressures despite standard Guideline Directed Medical Therapy (GDMT).
Condition: Heart Disease / Arterial Disease
Investigator: Manish Parikh, MD
Status: Closed
The purpose of this research is to find out whether it is safe to shorten the length of time that people at high risk for bleeding take blood thinners after being treated with a coronary stent.
Condition: Healthy Volunteers
Investigator: Sharon Wardlaw, MD
Status: Closed
This 2-phase study aims to explore ways to predict who will respond well to the FDA approved weight loss drug lorcaserin and to understand the mechanisms that develop which limit drug efficacy. Subjects will be recruited for a 5-week crossover study (phase 1) with lorcaserin and placebo followed by treatment with lorcaserin for 24 weeks (phase 2). Phase 1…
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…
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