The purpose of this study is to determine if measuring blood levels of proteins called POMC, AgRP, and chromogrannin A (CGA) can be used to diagnose and track tumor growth and recurrence in patients that have ACTH-dependent Cushing's syndrome, non-secreting pituitary tumors, and other neuroendocrine tumors. We invite you to…
We are conducting a research study on the effect of high insulin levels on the buildup of excessive liver fat ("fatty liver disease") in people at risk for type 2 diabetes. We are seeking adult volunteers, ages 18-65, who have obesity with a body mass index of 30-45, and have been diagnosed with, or are at risk for,…
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…
This research is being done to look at how a medicine called Losartan helps people with Chronic Obstructive Pulmonary Disease (COPD) with emphysema, a disease of the lungs. COPD is often caused by cigarette smoking. It includes the symptoms of emphysema and chronic bronchitis. Although some medications for COPD reduce symptoms and prevent exacerbations, few…
The objective of the Block-COPD Study is to determine if beta-blockers are safe and effective at reducing the number of exacerbations or flare-ups that people living with Chronic Obstructive Pulmonary Disease (COPD) experience. A beta-blockers is a drug that is taken by mouth and is currently used to treat a wide range of diseases including…