235 Studies Now Enrolling
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Displaying 1 - 24 of 24
Condition: Nutrition
Investigator: Lena Mamykina, PhD
Status: Currently Recruiting
Seeking participants for a study about how individuals prefer to receive nutrition recommendations to support health management and preferences for visualizing health data. Participants may be invited to complete a 60-minute session to answer questionnaires and evaluate different styles of nutritional recommendations. In addition, they may be invited to…
Condition: Heart Disease / High Blood Pressure
Investigator: Ajay Kirtane, MD, SM
Status: Currently Recruiting
We are doing this study to evaluate the real-world use of the Paradise Ultrasound Renal Denervation System indicated for patients who are unable to lower their blood pressure with lifestyle changes and medication. This is an FDA approved device. Involvement in the study is expected to last approximately 60 months. Patients will be asked to collect blood…
Condition: Nutrition
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, ages 18-65, who have obesity with a body mass index of 30-45, and have been diagnosed with, or are at risk for, prediabetes and metabolic…
Condition: Heart Disease / High Blood Pressure
Investigator: Jacquelyn Taylor, PhD, MSN, BSN
Status: Currently Recruiting
Race-Based Stress Reduction and Resilience Program for African-American Women. Join this important research study to examine the effectiveness of an eight-week stress reduction program for older African-American women. To learn more contact 347-978-2871 or son_RiSEstudy@cumc.columbia.edu. Study Requirements: African-American female between 50-75 years old,…
Condition: Heart Disease / High Blood Pressure
Investigator: Daichi Shimbo, MD
Status: Currently Recruiting
The measurement of blood pressure used to determine if a person has high blood pressure (also known as hypertension) and whether their blood pressure is controlled while taking medications that lower blood pressure. For many people, blood pressure levels are different when measured in a provider's office versus during normal daily activities outside of…
Condition: Psychiatric Disorders / Obsessive Compulsive Disorder (OCD)
Investigator: Reilly Kayser, MD
Status: Closed
The Center for OCD Research at Columbia University Irving Medical Center is seeking individuals with obsessive-compulsive disorder (OCD) to participate in a research study, at no cost to you. This study is investigating the medicinal effects of nabilone for OCD symptoms. Nabilone is a synthetic form of tetrahydrocannabinol (THC), which is one of the active…
Condition: Heart Disease / High Blood Pressure
Investigator: Steven Shea, MD
Status: Closed
We are working with researchers at Columbia University to test whether text messaging can be used effectively to help people with hypertension to control their blood pressure. If you are between the ages of 18 and 85 years and have a cell phone, you may be eligible to participate in this study. The study would involve a telephone call that would last about…
Condition: Nutrition
Investigator: Lena Mamykina, PhD
Status: Closed
We are conducting an academic study to understand how people solve problems related to health. In the study, participants will be presented with a hypothetical problem related to diabetes self-management and asked to use an online health application to explore information and propose a solution. We invite all participants between 18 and 65 years old, who…
Condition: Heart Disease / High Blood Pressure
Investigator: Daichi Shimbo, MD
Status: Closed
We are conducting a research study in adults to test whether blood pressure (BP) measured in a clinic setting without a technician present is comparable to blood pressure levels while awake outside of the clinic on an Ambulatory Blood Pressure Monitoring (ABPM) device. We will also test whether asleep blood pressure can be accurately determined using a home…
Condition: Psychiatric Disorders / Obsessive Compulsive Disorder (OCD)
Investigator: Amy Rapp, PhD
Status: Closed
The goal of the project is to identify differences in learning in obsessive-compulsive disorder (OCD) by measuring the activity of the brain while participants complete computer tasks. Eligible participants will be asked questions about their medical and psychiatric history and perform tasks on a computer while an electroencephalogram (EEG) is recorded.…
Condition: Heart Disease / High Blood Pressure
Investigator: Nour Makarem, PhD
Status: Closed
We are currently looking for men and non-pregnant women aged 40 years and above to participate in an at-home study on sleep and activity patterns in relation to blood pressure and blood glucose. Participants should not have critical/severe illness and should not be on dialysis or have a pacemaker or other implanted medical device. You must be willing to…
Condition: Heart Disease / High Blood Pressure
Investigator: Ajay Kirtane, MD, SM
Status: Closed
RADIANCE II is a randomized, double-blind, sham-controlled, single cohort study designed todemonstrate the effectiveness (how well it works) and safety of the Paradise Renal Denervation System in hypertensive subjects (subjects with high blood pressure).
Condition: Psychiatric Disorders / Obsessive Compulsive Disorder (OCD)
Investigator: Yagna Pathak, PhD
Status: Closed
The study aims to assess the impact of repetitive transcranial magnetic stimulation (rTMS) on brain imaging and neurophysiological measures in patients with Obsessive-Compulsive Disorder (OCD).
Condition: Psychiatric Disorders / Obsessive Compulsive Disorder (OCD)
Investigator: Helen Simpson, MD, PhD
Status: Closed
The Center for OCD and Related Disorders is currently conducting a study in treating Obsessive-compulsive Disorder (OCD), which is a severe illness characterized by distressing intrusive thoughts, images, or impulses about a variety of themes (e.g., fears of contamination or harm) and repetitive behaviors such as excessive washing or checking. The study is…
Condition: Nutrition
Investigator: Ari Shechter, PhD
Status: Closed
We are currently looking for overweight (body mass index 25 kg/m2) men and women, age 18-65 y, to participate in a sleep study. To participate you must have been diagnosed with Obstructive Sleep Apnea within the past year, and have been prescribed continuous positive airway pressure (CPAP) but not have not yet started treatment. This is a 2-phase,…
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 / High Blood Pressure
Investigator: Ajay Kirtane, MD, SM
Status: Closed
The purpose of this project is to collect more data about the safety and effectiveness of renal denervation (disabling of kidney nerves) for the treatment of uncontrolled hypertension. For therenal denervation procedure, the Vessix Renal Denervation System is used. The system consists of a catheter (a thin tube) and a radio frequency (RF) generator (power…
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: Psychiatric Disorders / Obsessive Compulsive Disorder (OCD)
Investigator: Reilly Kayser, MD
Status: Closed
The Center for OCD and Related Disorders at New York State Psychiatric Institute/Columbia University Medical Center is seeking individuals aged 18+ with obsessive-compulsive disorder (OCD) to participate in a survey regarding their experiences with marijuana/cannabis. We hope this study will lead to increased understanding of how these substances affect…
Condition: Psychiatric Disorders / Obsessive Compulsive Disorder (OCD)
Investigator: Helen Simpson, MD, PhD
Status: Closed
Eligible participants will be asked questions about their symptoms, complete questionnaires, and receive sessions of Cognitive-Behavioral therapy consisting of Exposure and Ritual Prevention (EX/RP) accompanied by the use of a mobile app. The purpose of this study is to assess whether the mobile app may be effective in improving symptoms of OCD.
Condition: Psychiatric Disorders / Obsessive Compulsive Disorder (OCD)
Investigator: Pablo Goldberg, M.D.
Status: Closed
The purpose of this study is to assess the effects of a single infusion of ketamine for adolescents and young adults with obsessive-compulsive disorder (OCD). Ketamine is a FDA-approved anesthetic medication that can possibly cause a rapid decrease in OCD symptoms. To be eligible to participate, patients need to have already tried at least one SRI…
Condition: Nutrition
Investigator: Richard Sloan, PhD
Status: Closed
We will enroll and randomly assign 30 sedentary, healthy overweight men and women to two groups. Participants will either start by consuming peanuts for 4 weeks, and then go on to exercise at high intensity intervals (HIIT) for 4 weeks, or the reverse order. We will test and compare the effect of peanuts and exercise on inflammation and heart rate…
Condition: Psychiatric Disorders / Obsessive Compulsive Disorder (OCD)
Investigator: Helen Simpson, MD, PhD
Status: Closed
The purpose of this pilot research study is to test whether certain components of the marijuana plant, known as "cannabinoids", may help to reduce symptoms in patients with OCD. Specifically, patients enrolled in the study will smoke marijuana containing different concentrations of 2 different cannabinoids, THC and CBD. Both of these agents act on…
Condition: Psychiatric Disorders / Obsessive Compulsive Disorder (OCD)
Investigator: Helen Simpson, MD, PhD
Status: Closed
This study is investigating how the brains of people with OCD may change with treatment. The study uses Magnetic Resonance Imaging (MRI) to scan the brain, and the treatment used is a form of Cognitive-Behavioral therapy consisting of Exposure and Ritual Prevention (EX/RP). Participants will undergo a scan, which lasts for approximately 2 hours and takes…