235 Studies Now Enrolling
Menu
Search
Status
Medical Condition
- Show all (1755)
- Addiction (19)
- Allergy, Asthma, & Immunology (13)
- All of Us Research Program - NIH (1)
- Autoimmune Disorders (29)
- Blood Disorders (33)
- Bone & Muscle (10)
- Cancer (564)
- Child Development (4)
- COVID-19 (Coronavirus) (36)
- Critical Illness (1)
- Diabetes (21)
- Ear, Nose and Throat (12)
- Endocrine & Metabolic Disease (12)
- Eye (7)
- Gastrointestinal and Digestive Diseases (26)
- Hair and Skin Disorders (3)
- Headaches (5)
- Healthy Volunteers (187)
- Heart Disease (130)
- Infectious Disease (49)
- Insomnia (2)
- Kidney Disease (12)
- Liver Disease (53)
- Lung Disease (31)
- Meniere's Disease (1)
- Neurological Disorders (165)
- Nutrition (6)
- Obesity (10)
- Obstetrics & Gynecology (55)
- Pain Management (1)
- Pediatrics (103)
- Psychiatric Disorders (69)
- Rehabilitation (9)
- Stroke (7)
- Surgery (7)
- Transplant (48)
- Urology (4)
- Vascular Conditions (10)
Displaying 1 - 6 of 6
Condition: Obstetrics & Gynecology / Fertility
Investigator: Nataki Douglas, MD, PhD
Status: Closed
The purpose of this study is to survey study participants to determine their knowledge and attitudes towards fertility, and interest in understanding fertility management options. Recruited participants will be contacted via e-mail and invited to participate in online surveys and have hormone markers measured at the Columbia University Medical Center.
Condition: Obstetrics & Gynecology / Fertility
Investigator: Eric Forman, MD, HCLD
Status: Closed
This clinical research study is for women between the ages of 35 and 42 years who are having difficulty becoming pregnant and who would like to receive treatment within an assisted reproductive technology (ART) program in order to become pregnant. The purpose of this research study is to test the safety and effectiveness of an investigation drug called FE…
Condition: Liver Disease / Hepatic Encephalopathy
Investigator: Robert Brown, MD, MPH
Status: Closed
The purpose of this study is to find out how doctors describe hepatic encephalopathy episodes in patients medical records in the course of their regular practice. The aim of the study is simply to collect information from their medical records about how their episodes of overt hepatic encephalopathy are described. There is nothing that will be required of…
Condition: Liver Disease / Hepatic Encephalopathy
Investigator: Robert Brown, MD, MPH
Status: Closed
The purpose of this study is to compare the time to onset of an episode of overt HE, in subjects with previously demonstrated overt HE after treatment with rifaximin 550 mg BID and lactulose, or rifaximin 550 mg BID. Subjects will be screened to confirm eligibility into the study. Once confirmed, subjects will begin the treatment phase and will be randomly…
Condition: Psychiatric Disorders / ADD/ADHD
Investigator: Jonathan Posner, MD
Status: Closed
In this study, we are trying to learn more about how stimulant medication produces an improvement in emotional lability (frequent mood changes and excessive emotional reactions) in patients with Attention Deficit Hyperactivity Disorder (ADHD.) Although ADHD is primarily associated with inattention, hyperactivity, and impulsivity, emotional ability plays a…
Condition: Psychiatric Disorders / ADD/ADHD
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…