236 Studies Now Enrolling
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Displaying 1 - 30 of 30
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 / Heart Failure
Investigator: Hirad Yarmohammadi, MD, MPH
Status: Closed
You may want to join this study because your heart condition may respond to a device-based therapy called cardiac modulation therapy called the OPTIMIZER System. The OPTIMIZER INTEGRA CCM-D System, also known as a Cardiac Contractility Modulation Defibrillator, is an investigational device system that combines CCM therapy and ICD therapy into one device.…
Condition: Heart Disease / Heart Failure
Investigator: Kelly Axsom, MD
Status: Closed
The ALLEVIATE-HF study is a prospective, randomized, multi-site, interventional, investigational device exemption (IDE) study. The purpose of the study is to gain experience with utilization of an integrated device diagnostic-based risk stratification algorithm to guide patient care in subjects with NYHA class II and III heart failure. The study will…
Condition: Liver Disease / Hepatitis
Investigator: Elizabeth Verna, MD
Status: Closed
The TARGET-HBV study engages an observational research design to conduct a comprehensive review of therapeutic outcomes for patients with chronic hepatitis B (HBV) who are currently taking tenofovir alafenamide (TAF) relative to those patients following other treatment regimens. The study will address important clinical questions regarding the management of…
Condition: Heart Disease / Heart Failure
Investigator: Elaine Wan, MD
Status: Closed
We are doing this study to collect sensor and heart failure (HF) event data that will be used to develop and test new diagnostic (not providing therapy) features for the insertable cardiac monitor (ICM) systems. ICMs are small devices implanted under the skin and are now widely used for the long-term monitoring and detection of abnormal heart rhythms. ICMs…
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 / Heart Failure
Investigator: Nir Uriel, MD, MSc
Status: Closed
The purpose of this research study is to understand if aspirin is needed in patients heart failure implanted with the HeartMate 3. Patients with devices like the HeartMate 3 take two blood thinner medicines, specifically warfarin and aspirin. Patients implanted with devices like the HeartMate 3 experience both clotting and bleeding complications. Data…
Condition: Heart Disease / Heart Failure
Investigator: Susheel Kodali, MD
Status: Closed
This study is for patients who require an aortic valve replacement due to severe aortic stenosis.
Condition: Heart Disease / Heart Failure
Investigator: Meghan Reading Turchioe, PhD, MPH, RN
Status: Closed
We are seeking adults with cardiovascular disease who identify as Black/African American or LatinX, and/or their caregivers, as well as community health workers working in primarily Black/African American or LatinX neighborhoods of NYC, to participate in a brief (30-minute) interviews over the phone or Zoom to discuss attitudes and perceptions related to…
Condition: Heart Disease / Heart Failure
Investigator: Gabriel Sayer, MD
Status: Closed
The purpose of this trial is to evaluate the feasibility of the Doraya Catheter and measure clinical performance and safety endpoints.
Condition: Heart Disease / Heart Failure
Investigator: Justin Fried, MD
Status: Closed
The purpose of this research is to evaluate the safety and performance of an experimental system called the Aortix System. The system is being designed for use in patients hospitalized for a worsening of their heart failure symptoms and who also show signs of strain on their kidneys. The Aortix System includes a pump, which we hope may help the heart and…
Condition: Liver Disease / Hepatitis
Investigator: Elizabeth Verna, MD
Status: Closed
The purpose of this study is to determine how safe and effective using three medications (pegylated-interferon, ribavirin and boceprevir) are in curing HCV in patients with end stage kidney disease on hemodialysis. Participants will be prescribed these three medications and will be followed closely through treatment, then for 6 months afterwards. During…
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: Liver Disease / Hepatitis
Investigator: Robert Brown, MD, MPH
Status: Closed
The purpose of this study is to see if study drug Sofosbuvir/Ledipasvir fixed-dose combination + Ribavirin (SOF/LDV FDC + RBV) are effective in treating people infected with the hepatitis C virus with genotypes 1 and 4, who have advanced liver disease with permanent liver damage (cirrhosis) and may be showing signs of liver failure or who have undergone…
Condition: Liver Disease / Hepatitis
Investigator: Elizabeth Verna, MD
Status: Closed
This study will compare two experimental drugs, named Sofosbuvir/Velpatasvir/GS-9857 Fixed-Dose Combination (SOF/VEL/GS-9857 FDC) and Sofosbuvir/Velpatasvir (SOF/VEL FDC) for 12 weeks for the treatment of chronic hepatitis C virus (HCV) infection in subjects who have previously been unsuccessfully treated for chronic HCV.. An experimental drug is one that…
Condition: Liver Disease / Hepatitis
Investigator: Jennifer Elliott, PhD
Status: Closed
NOTE: YOU MUST HAVE HIV AND HAVE EVER HAD HEPATITIS C TO BE ELIGIBLE FOR THIS STUDY!! ............... For individuals who have both HIV and Hepatitis C virus (HCV), heavy drinking poses serious risks to their health. We do not yet know which interventions are effective at helping individuals with HIV and HCV drink less. The goal of the study is to compare…
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: Liver Disease / Hepatitis
Investigator: Elizabeth Verna, MD
Status: Closed
This study will compare two experimental drugs, named Sofosbuvir/Velpatasvir/GS-9857 Fixed-Dose Combination (SOF/VEL/GS-9857 FDC) and Sofosbuvir/Velpatasvir (SOF/VEL) FDC for the treatment ofchronic genotype 3 hepatitis C virus (HCV) infection in patients who have cirrhosis, or scarring of the liver. The purpose of this study is to determine the efficacy,…
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: Liver Disease / Hepatitis
Investigator: Elizabeth Verna, MD
Status: Closed
The purpose of this study is to evaluate the effectiveness, safety, and tolerability of study drugs Sofosbuvir, Velpatasvir and GS-9857 in comparison to Sofosbuvir and Velpatasvir in patients infected with HCV. Information about any side effects that may occur will also be collected.
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: Liver Disease / Hepatitis
Investigator: Elizabeth Verna, MD
Status: Closed
This study will compare the effectiveness of three different FDA approved medicines for Hepatitis C Genotype 1 patients: HARVONI , Viekira Pak and Zepatier and will observe subject experiences before, during, and after HCV treatment. Subjects will be asked to respond to several survey questionnaires and if they would allow their leftover blood collected for…
Condition: Liver Disease / Hepatitis
Investigator: Elizabeth Verna, MD
Status: Closed
The purpose of this study is to evaluate the efficacy, safety, and tolerability of SOF/VEL/GS- 9857 FDC in patients infected with Hepatitis C (HCV), and previously treated unsuccessfully. Information about any side effects that may occur will also be collected.
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: Liver Disease / Hepatitis
Investigator: Elizabeth Verna, MD
Status: Closed
This research trial is being conducted to determine the safety and efficacy of HARVONI (an FDA-approved Hepatitis C Virus medication) in HCV (genotype 1, 4, 5, an 6) infected patients who also have advanced heart failure or chronic lung disease. HARVONI has not been tested in patients with HCV and heart failure or chronic lunch disease. Subjects will take…
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: Liver Disease / Hepatitis
Investigator: Steven Lobritto, MD
Status: Closed
The purpose of this study is to learn more about the effects of the combination of telaprevir peginterferon alfa2b (Peg-IFN) and ribavirin (RBV) in children with chronic hepatitis C. Investigators will look at how these study drugs may affect childrens bodies and how children break down and eliminate telaprevir. Participants of this study will receive Peg-…
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…