338 Studies Now Enrolling
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Displaying 1 - 34 of 34
Condition: Neurological Disorders / Neuropathy
Investigator: Thomas Brannagan, MD
Status: Currently Recruiting
This is a global, multicenter, placebo-controlled, phase 3 study evaluating the efficacy and safety of riliprubart in adult participants with CIDP who are refractory or had an insufficient response to standard of care (SOC) therapies, defined as Ig administered IV (IVIg) or SC (SCIg), or corticosteroids. Treatment duration will be 48 weeks. Participant must…
Condition: Psychiatric Disorders / Obsessive Compulsive Disorder (OCD)
Investigator: Rachel Marsh, PhD
Status: Currently Recruiting
To learn more, click the blue box "Do you qualify" and our study team will contact you. This research study will examine how an iPad-based cognitive training game combined with cognitive behavioral therapy (CBT) helps children with excessive worries and related repetitive behaviors (obsessive compulsive disorder). After completing the training,…
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: Kidney Disease
Investigator: Gerald Appel, MD
Status: Closed
We are particularly interested in the diseases that cause nephrotic syndrome called Focal and Segmental Glomerulosclerosis (FSGS), Minimal Change Disease (MCD), and Membranous Nephropathy (MN). By collecting health information and laboratory samples, our goal is to learn more about diseases and find better ways to prevent and treat people with diseases.…
Condition: Kidney Disease
Investigator: Thomas Nickolas, MD, MS
Status: Closed
The CureGN Bone Study is a prospective study that is assessing the effects of 4-types of kidney disease on the skeleton. In order for us to determine the true effect of kidney disease on bone, we need to determine what healthy bone looks for patients who have the same age, race, sex, and body mass index as the patients with kidney disease. We are looking…
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: 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: Kidney Disease
Investigator: Thomas Nickolas, MD, MS
Status: Closed
Kidney disease patients have a variety of severe bone disorders that result in rapid bone loss and fractures. We are doing this research study to determine relationships between bone quality determined from bone imaging and bone biopsy and by non-invasive measures from blood and skin. We are trying to identify non-invasive markers of bone quality in kidney…
Condition: Neurological Disorders / Neuropathy
Investigator: Thomas Brannagan, MD
Status: Closed
We are doing this study to find out if the research drug known as Rozanolixizumab can have additional benefit for people who are already receiving IVIG( Intravenous Immune Globulin) treatment for CIDP, and to have further safety evaluation of the research drug as well. If you choose to be part of this research study, the following procedures will occur:…
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: Kidney Disease
Investigator: Jai Radhakrishnan, MD
Status: Closed
This study is for patients with autosomal dominant polycystic kidney disease (ADPKD). The purpose of this study is to test the effectiveness of a study drug called tolvaptan. Tolvaptan continues to be studied in this trial as a possible treatment for ADPKD. ADPKD is a disease that causes kidney cysts (cyst are like fluid-filled balloons), worsening kidney…
Condition: Neurological Disorders / Neuropathy
Investigator: Thomas Brannagan, MD
Status: Closed
Peripheral Neuropathy is a result of nerve damage, which may cause weakness, numbness, tingling, and pain in your hands, feet, and other areas of your body. Over 20 million Americans are affected by peripheral neuropathy, most commonly caused by diabetes. In approximately 25-50% of all people with peripheral neuropathy, the cause is unknown. These cases…
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: Kidney Disease
Investigator: Ziad Ali, MD
Status: Closed
Contrast-Induced Nephropathy (CIN) can occur when patients with pre-existing kidney problems undergo procedures that use iodinated contrast media, such as cardiac catheterizations. RenalGuard Therapy was developed to enable the patient to clear the contrast out of their kidney before it can do significant damage. This study aims to enroll patients with…
Condition: Neurological Disorders / Neuropathy
Investigator: Thomas Brannagan, MD
Status: Closed
This study is looking at using topiramate as a potential therapy for patients with cryptogenic sensory peripheral neuropathy. Patients who are randomized into the study will return to the clinic for follow up every 16 weeks. The total length of the study is 96 weeks.
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…
Condition: Kidney Disease
Investigator: Gerald Appel, MD
Status: Closed
The purpose of this research study is to understand the way Alport Syndrome affects patients kidneys over time. Alport syndrome is a genetic condition that causes damage to your kidneys over time. Currently there is not much information on the disease. Information about how the body is affected by the disease will be collected, along with medical and family…
Condition: Neurological Disorders / Neuropathy
Investigator: Thomas Brannagan, MD
Status: Closed
The purpose of this study is to see how effective two doses of an investigational new drug called IgPro20 is when given subcutaneously (a shot given into the fat layer between the skin and the muscle) to treat CIDP in patients that still require IVIG and also to look at how safe the IgPro20 is for patients.
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: Kidney Disease
Investigator: Wooin Ahn, MD
Status: Closed
Focal Segmental Glomerulosclerosis (FSGS) is a disease in which your kidneys allow an excess amount of protein in your urine. Too much protein in the urine (also called proteinuria) is a medical condition called nephrotic syndrome. The purpose of this clinical trial is to evaluate the safety and effectiveness of the study drug, Acthar, in adult patients…
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: Neurological Disorders / Neuropathy
Investigator: Thomas Brannagan, MD
Status: Closed
The purpose of this study is to collect information about how patients with FAP respond to the study drug ALN-TTR02 over 18 months. This includes studying any potential improvements in FAP and any side effects that participants may have from the study drug. In addition, the study will examine how the body handles (distributes, break down, eliminates) the…
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: Neurological Disorders / Neuropathy
Investigator: Thomas Brannagan, MD
Status: Closed
You are being considered to participate in this research study because you have type I or II diabetes with current treatment control and, you are experiencing painful diabetic peripheral neuropathy (DPN) in both lower extremities legs.The specific events that result in painful diabetic peripheral neuropathy are not well understood, but high blood sugar,…
Condition: Kidney Disease
Investigator: Marcus Pereira, MD, MPH
Status: Closed
This research is being done to learn whether organ transplantation from HIV-positive deceased donors is as safe and effective in HIV-positive recipients as transplants from HIV-negative deceased donors. People with end-stage organ disease and HIV infection, and who qualify for organ transplantation, may join this study.
Condition: Neurological Disorders / Neuropathy
Investigator: Thomas Brannagan, MD
Status: Closed
The purpose of this study is to evaluate the efficacy and safety of study drug, fingolimod taken daily compared with a placebo (does not contain active medication) on delaying disability progression in patients with chronic inflammatory demyelinating polyradiculoneuropathy (CIDP). The study will consist of 3 periods: a Screening Period (lasting for up to 45…
Condition: Kidney Disease
Investigator: Gerald Appel, MD
Status: Closed
A sign of your kidney disease is the presence of too much protein in your urine. The purpose of this study is to evaluate if the investigational study drug abatacept can decrease the amount of protein in your urine and improve your kidney disease beyond the treatment you have received or are already receiving. Abatacept is being used in an investigational…
Condition: Neurological Disorders / Neuropathy
Investigator: Thomas Brannagan, MD
Status: Closed
Subjects with Chronic Inflammatory Demyelinating Polyneuropathy (CIDP) will be enrolled in the study and Intravenous Immunoglobulin (IVIg) will be given to eligible subjects on the study. CIDP is a chronic inflammatory condition that causes the immune system to attack the nerves. IVIg is one common treatment for CIDP. IVIG is a blood product that is…
Condition: Kidney Disease
Investigator: Marcus Pereira, MD, MPH
Status: Closed
The MK-8228-002 Study is studying the safety and effectiveness of an investigational medication for preventing cytomegalovirus (CMV) disease in adults with kidney transplants. The MK-8228-002 Study is evaluating an investigational medication (known as MK-8228) versus valganciclovir (VGCV). VGCV is an antiviral medication and is the current standard of care…
Condition: Neurological Disorders / Neuropathy
Investigator: Thomas Brannagan, MD
Status: Closed
The purpose of this study is to evaluate the efficacy and safety of ISIS TTR Rx given for 65 weeks in patients with Familial Amyloid Polyneuropathy (FAP). The purpose of this study is to determine if ISIS 420915 can help people with mild or moderate FAP. To be in this study you must have FAP and be able to walk without help or walk with using only one cane.
Condition: Kidney Disease
Investigator: Pietro Canetta, MD
Status: Closed
The purpose of this study is to assess the most adequate dose of Acthar Gel (ACTH) in patients withIgA nephropathy. Acthar Gel (ACTH) has been approved by the Food and Drug Administration(FDA) for routine clinical use in the treatment of patients with proteinuria and patients withidiopathic nephrotic syndrome such as IgAN.
Condition: Neurological Disorders / Neuropathy
Investigator: Thomas Brannagan, MD
Status: Closed
International GBS Outcome Study (IGOS) is a study of the Inflammatory Neuropathy Consortium (INC) and Peripheral Nerve Society (PNS) on disease course and outcome in Guillain-Barr syndrome (GBS). Guillian Barre syndrome is an autoimmune disorder affecting the peripheral nervous system, leading to paralysis and potential fatality if it progresses to involve…
Condition: Kidney Disease
Investigator: Jai Radhakrishnan, MD
Status: Closed
The purpose of this study is to evaluate the safety and effectiveness of an investigational medication in patients with focal segmental glomerulosclerosis (FSGS). The goal is to learn whether the investigational medication may change the amount of protein in the urine and decrease proteinuria.
Condition: Neurological Disorders / Neuropathy
Investigator: Thomas Brannagan, MD
Status: Closed
Charcot-Marie-Tooth type 1A (CMT1A) disease is a rare, slowly progressing and debilitating hereditary condition commonly causing weakness of muscles in the feet and lower parts of the legs. There is currently no approved drug to cure CMT1A disease, and the available treatments commonly target the pain and inflammation associated with the disease. In order…
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