We are conducting a research study on how psoriasis might be caused or worsened by high levels of the blood sugar-lowering hormone insulin. We are seeking people with plaque psoriasis, ages 18-65, who are overweight or obese with a body mass index of 25-35. Participants will have blood drawn and small skin biopsies taken from psoriasis plaques and nearby…
Columbia University Medical Center is recruiting individuals ages 21-55 who are seeking treatment for alcohol problems to participate in a research study involving treatment. For your participation, you'll receive treatment with disulfiram (brand name Antabuse) at no cost. You be treated with disulfiram for approximately 13 weeks and undergo brain…
The purpose of this study is to examine the causes and pathology of alopecia areata and other hair and skin disorders. Skin biopsies and blood and/or clinical information collected in the study will be used for research aiming at developing new options for the treatment of alopecia areata and other skin and hair disorders.
Genetic studies help us to understand why some people develop certain diseases while others don't and also provide important clues about how best to treat the disease.
This study is for patients with Glaucoma. The purpose of this study is to investigate the safety and effectiveness of a study drug called Bimatoprost Sustained Release (SR) compared to treatment with eye drug Timolol. The Bimatoprost SR is an implant that is very small, is biodegradable (dissolves naturally in the body), and contains the bimatoprost drug.
Glaucoma is the leading cause of irreversible blindness worldwide. The most important test to detect progression is visual field testing. However, this test is very subjective, often unreliable, and variable. One of the main causes of unreliable tests is the lack of attentiveness or concentration during the test. Previous studies have shown that listening…
Glaucoma is a given name of a group of diseases that affect the retinal ganglion cells in the eye and the optic nerve. Glaucoma cause degeneration of the retinal ganglion cells in the retina and their projections (axons) that form the optic nerve. Retinal ganglion cells and their axons transmit all of our vision information from the eye to the brain through…
NOTE: YOU MUST HAVE HIV AND HAVE EVER HAD HEPATITIS C TO BE ELIGIBLE FOR THIS STUDY!! ............... For individuals who have both HIV and Hepatitis C virus (HCV), heavy drinking poses serious risks to their health. We do not yet know which interventions are effective at helping individuals with HIV and HCV drink less. The goal of the study is to compare…