Skip to main content
Click Here For COVID-19 Studies
Home
Clinical Trials Office Register as a Researcher Log In
351 Studies Now Enrolling
 Menu
Home How It Works Resources Join RecruitMe

Search

Reset

Status

  • Currently Recruiting (3)
  • Closed (10)

Medical Condition

  • Show all (1900)
  • Addiction (16)
  • Allergy, Asthma, & Immunology (12)
  • All of Us Research Program - NIH (1)
  • Autoimmune Disorders (28)
  • Blood Disorders (38)
  • Bone & Muscle (10)
  • Cancer (726)
  • Child Development (4)
  • COVID-19 (Coronavirus) (37)
  • Critical Illness (1)
  • Dental (2)
  • Developmental Disorders (2)
  • Diabetes (22)
  • Ear, Nose and Throat (11)
  • Endocrine & Metabolic Disease (13)
  • Eye (8)
  • Gastrointestinal and Digestive Diseases (22)
  • Hair and Skin Disorders (2)
  • Headaches (5)
  • Healthy Volunteers (175)
  • Heart Disease (128)
  • Infectious Disease (48)
  • Insomnia (2)
  • Kidney Disease (12)
  • Liver Disease (48)
  • Lung Disease (32)
  • Meniere's Disease (1)
  • Neurological Disorders (174)
    • Alzheimer's Disease (37)
    • Brain Tumors (57)
    • Cerebral Palsy (3)
    • Dementia (8)
    • Huntington's Disease (4)
    • Multiple Sclerosis (8)
    • Neuromuscular (10)
    • Neuropathy (12)
    • (-) Parkinson's Disease (3)
  • Nutrition (4)
  • Obesity (9)
  • Obstetrics & Gynecology (51)
  • Pain Management (1)
  • Pediatrics (104)
  • Psychiatric Disorders (65)
    • ADD/ADHD (2)
    • Anxiety (4)
    • Bipolar Disorder (6)
    • Borderline Personality Disorder (1)
    • Depression (23)
    • Eating Disorders (2)
    • (-) Obsessive Compulsive Disorder (OCD) (10)
    • PTSD (3)
    • Schizophrenia (6)
  • Rehabilitation (8)
  • Stroke (7)
  • Surgery (7)
  • Transplant (51)
  • Urology (4)
  • Vascular Conditions (9)
Displaying 1 - 13 of 13

Immune Responses in Parkinson's Disease

Condition: Neurological Disorders / Parkinson's Disease
Investigator: Julian Agin-Liebes, MD
Status: Currently Recruiting
We are looking for participants for a study on the role of immune response in Parkinson's disease (PD) and Alzheimer's disease (AD). We are inviting people WITH PD, WITH AD, WITH amnestic Mild Cognitive Impairment, or WITHOUT PD or AD to come and participate. We will be doing several questionnaires, a motor exam, and a short cognitive assessment,…
Read More

Study for Children with Excessive Worries and Fears

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,…
Read More

Study in Parkinson Disease of Exercise (SPARX3)

Condition: Neurological Disorders / Parkinson's Disease
Investigator: Ashwini Rao, EdD, OTR
Status: Currently Recruiting
Most neurologists and other clinicians treating people with Parkinsons disease (PD) are still unclear about how best to prescribe exercise despite the fact that it is now axiomatic that exercise is therapeutically beneficial for PD. In contrast, drugs for PD are prescribed with care and specificity due to large scientific investigations showing efficacy and…
Read More

A Brain Imaging Study of Cannabinoid Medication for Adults with OCD

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…
Read More

Parkinson's Disease Genetic Study: FoxBioNet ECV-004

Condition: Neurological Disorders / Parkinson's Disease
Investigator: Julian Agin-Liebes, MD
Status: Closed
FoxBioNet ECV-004 is an observational study sponsored by the Michael J. Fox Foundation for Parkinson's Research. The purpose of this study is to investigate a gene called LRRK2. Mutations in the LRRK2 gene are associated with Parkinson's disease (PD), and mutation carriers have greater LRRK2 protein activity. The goal of this study is to identify…
Read More

Learning and the Brain in Obsessive-Compulsive Disorder (OCD)

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.…
Read More

Effects of Marijuana on Symptoms of OCD

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…
Read More

Attaining and Maintaining Wellness in 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…
Read More

Non-Invasive Stimulation for Obsessive Compulsive Disorder (OCD)

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).
Read More

Internet Survey of Cannabinoid Experiences in OCD

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…
Read More

Ketamine Treatment Study for Adolescents and Young Adults with Obsessive-Compulsive Disorder (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…
Read More

A Mobile App (nOCD) for OCD

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.
Read More

Control and Reward Circuits in OCD

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…
Read More
This website uses cookies as well as similar tools and technologies to understand visitors’ experiences. By continuing to use this website, you consent to Columbia University’s usage of cookies and similar technologies, in accordance with the Columbia University Website Cookie Notice.
I AGREE
COMPLIANCE
Compliance Hotline Compliance Program
RESOURCES
Contact RecruitMe Terms of Use Privacy Policy ©2025 Columbia University
SCHOOLS
Vagelos College of Physicians and Surgeons Mailman School of Public Health School of Nursing College of Dental Medicine Graduate School of Arts and Science