362 Studies Now Enrolling
Menu
Search
Status
Medical Condition
- Show all (240)
- Addiction (4)
- Autoimmune Disorders (15)
- Blood Disorders (27)
- Bone & Muscle (1)
- Cancer (4)
- Child Development (1)
- Developmental Disorders (1)
- (-) Endocrine & Metabolic Disease (2)
- Hair and Skin Disorders (2)
- Healthy Volunteers (8)
- Heart Disease (1)
- Liver Disease (1)
- Lung Disease (2)
- Meniere's Disease (1)
- Neurological Disorders (114)
- Obstetrics & Gynecology (3)
- Pediatrics (6)
- Psychiatric Disorders (47)
Displaying 1 - 4 of 4
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…
Condition: Endocrine & Metabolic Disease
Investigator: Aviva Sopher, MD, MS
Status: Closed
Polycystic ovary syndrome (PCOS) is one of the most common endocrine disorders in women ofreproductive age, affecting about 7% of this population when using the strictest diagnostic criteria and frequently presents in adolescence and young adulthood. Diagnostic features of PCOS includehyperandrogenism and ovulatory dysfunction…
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: Endocrine & Metabolic Disease
Investigator: Aviva Sopher, MD, MS
Status: Closed
Polycystic ovary syndrome (PCOS) is a common disorder. Young women with PCOS have irregular or absence of menstruation and excessive acne and or hair on their bodies. They may have multiple cysts on their ovaries. Adolescents and women affected with PCOS are at risk of developing abnormalities in their blood including high fat, low HDL cholesterol (good…
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