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…
The Columbia Otolaryngology Department is interested in understanding the intersection of vaping, smell, and taste and their impact on individuals' preferences for certain flavors. Participation will involve answering a series of questionnaires in addition to completing a formal evaluation of your smell and taste with standardized measurements. You can…
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.
The use of electronic cigarettes, also known as e-cigs or vaping, has increased among former smokers and young adults who have never smoked. Relatively little is known, however, about their health effects (whether they are adverse, have no effect, or are beneficial). The purpose of this research study is to evaluate (1) the association of e-cig use with…
This is a four-session study in which we will be recruiting existing cigarette smokers to explore the competitive dynamics between memory encoding and memory retrieval. To participate, you will first go through a phone screening to determine eligibility and learn about the study. Then you will be asked to visit our facility at the Morningside Campus of…
This study will test a computer-based behavioral intervention to decrease cocaine use. Those who fail to achieve cocaine abstinence after the first 4 weeks while receiving the behavioral treatment will continue the behavioral treatment and be randomly assigned to one of two groups (one group will receive Adderall-XR (MAS-ER) and the other group will receive…
The study is a two group outpatient study, one group receiving medications (Adderall-XR and topiramate) and one group receiving a placebo (inactive sugar pill). The study is looking at the safety and effectiveness of Adderall-XR (MAS-ER) and topiramate in the treatment of cocaine dependence. It is a 14-week trial that requires patients to attend visits 3…