341 Studies Now Enrolling
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Displaying 201 - 242 of 242
Condition: Neurological Disorders / Brain Tumors
Investigator: Mary Welch, MD
Status: Closed
This research study is a Phase II clinical trial. Phase II clinical trials test the safety and effectiveness ofan investigational drug to learn whether the study drug works in treating a specific disease.Investigational means that the drug is being studied. In this research study, we are looking to compare the effects, good and bad, of the standard of care…
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: 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: 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: Neurological Disorders / Brain Tumors
Investigator: Andrew Lassman, MD
Status: Closed
This is a two-part research study of an investigational drug called ABBV-321 in subjects with glioblastoma (brain tumor). This study will be conducted in two-parts: 1) Dose Escalation Phase: The purpose of the first part, called a Dose Escalation Phase, is where we will increase the dose of ABBV-321 until we find the highest dose before unmanageable side…
Condition: Neurological Disorders / Brain Tumors
Investigator: Andrew Lassman, MD
Status: Closed
This is a Phase 2b/3 study to compare the effectiveness of the study drug ABT-414 against a placebo. Patients will be randomized to either receive the standard-of-care therapy which consists of radiation therapy/TMZ plus adjuvant TMZ which will be followed by eiter the study drug ABT-414 or a placebo monotherapy.
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: Neurological Disorders / Brain Tumors
Investigator: Andrew Lassman, MD
Status: Closed
New data from the study of ABT-414 and ABBV-221 in patients with recurrent glioblastoma multiforme (GBM) have shown several examples where it seems evidence of disease progression (cancer that continues to grow and spread) was seen in MRI images, but examination of surgically removed tissue under the microscope did not agree with the MRI.
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: 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: 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: 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: 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 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: Neurological Disorders / Brain Tumors
Investigator: Mary Welch, MD
Status: Closed
The purpose of this study is to: See if taking the study agent, armodafinil, at a dose of 150mg or 250mg, will improve problems with fatigue in patients who have been diagnosed with cancer and are experiencing fatigue. See the effects (good and bad) of taking Armodafinil compared to placebo (an inactive agent) on cancer-related fatigue
Condition: Neurological Disorders / Brain Tumors
Investigator: Andrew Lassman, MD
Status: Closed
The reason for this study is to find out if the experimental study drug, tesevatinib, is effective as a possible treatment for recurrent glioblastoma. Certain genetic information about your tumor will also be collected, by drawing blood, to help better understand why tesevatinib did or did not work in treating your recurrent glioblastoma. Although…
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: 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: Neurological Disorders / Brain Tumors
Investigator: Fabio Iwamoto, MD
Status: Closed
This is a research study to test the effectiveness of ICT-107, an experimental drug, with the standard of care (SOC) for treatment of glioblastoma compared to enriched blood cells (PBMC) with the SOC. The study will enroll 400 subjects age 18 years and older with newly diagnosed glioblastoma. Following an initial SOC radiation treatment, patients will be…
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: Neurological Disorders / Brain Tumors
Investigator: Andrew Lassman, MD
Status: Closed
Two different studies have been developed to treat people with anaplastic glioma brain tumors. Onetreatment research study requires a tumor that has the 1p/19q co-deletion tumor marker; the other does not. This treatment research study requires that the subject has a certain kind of tumor, one that is missing part of both chromosomes 1 and 19. These missing…
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: Neurological Disorders / Brain Tumors
Investigator: Fabio Iwamoto, MD
Status: Closed
The purpose of this study is to test the effectiveness (how well the drug works), safety, and tolerability of an investigational drug called nivolumab (also known as BMS-936558). Nivolumab is an antibody (a type of human protein) that is being tested to see if it will allow the bodys immune system to work against tumor cells. The effectiveness of BMS-936558…
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: 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: 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: 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: Neurological Disorders / Brain Tumors
Investigator: Fabio Iwamoto, MD
Status: Closed
The purpose of this study is to test how well the study drug works in recurrent or isocitratedehydrogenase (IDH) mutant high grade gliomas. The study drug is called Nivolumab. Nivolumab is an antibody (a type of human protein) that is being tested to see if it will allow your own body's immune system to work against tumor cells. Nivolumab is not…
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: 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: 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: 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: 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: 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: Neurological Disorders / Brain Tumors
Investigator: Aya Haggiagi, MD
Status: Closed
This trial studies the side effects and best dose of nivolumab when given together with radiosurgery and to see how well they work with or without ipilimumab in treating participants with grade II-III meningioma that has come back. Nivolumab and ipilimumab (two different types of immunotherapy drugs), may interfere with the ability of tumor cells to grow…
Condition: Neurological Disorders / Brain Tumors
Investigator: Teri Kreisl, MD
Status: Closed
The purpose of this study is to find out what effects, good or bad, the experimental device, NovoTTF-100A has on patients with meningioma. This study is being done because currently there are no proveneffective medical treatments for a progressive meningioma that has failed surgery and/or radiation. The NovoTTF-100A System is a portable medical device. It…
Condition: Neurological Disorders / Brain Tumors
Investigator: Jeffrey Bruce, MD
Status: Closed
The purpose of this study is to determine the safety of directly injecting a tumor chemotherapy drug called Topotecan and a contrast agent called Gadolinium into malignant brain tumors.
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: 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: Brooke Aggarwal, EdD, MS, FAHA
Status: Closed
This study is active but is no longer enrolling new subjects.
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: Neurological Disorders / Brain Tumors
Investigator: Fabio Iwamoto, MD
Status: Closed
The purpose of this study is to test the effectiveness (how well the drug works), safety, and tolerability of an investigational drug called nivolumab (also known as BMS-936558). Nivolumab is an antibody (a type of human protein) that is being tested to see if it will allow the body's immune system to work against tumor cells.
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