We will enroll children with severe early onset obesity (BMI greater than 99th percentile) diagnosed prior to 6 years of age or other endocrine disorders. We will ask questions about their health, eating behavior and perform a brief physical examination. We will collect saliva or blood to perform genetic testing. We will also…
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,…
We are conducting a research study on how insulin controls blood sugar in both healthy people and those at risk of type 2 diabetes. We are seeking adult volunteers, aged 18-65, who have body mass indices either in the lean range (18-25 kg/m2) or in the obesity range (30-45 kg/m2) but who do not have prediabetes or diabetes.…
We are doing this research study to find out what happens to children who are overweight and how the things we recommend as a part of routine clinical care affect your child. The purpose of this study is to understand what happens to children as a result of being overweight, to link these outcomes to specific clinical measures, and to determine how…
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. Additionally, both obese and…
The purpose of these studies is to gain an understanding of the mechanisms that promote weight loss and improved glucose control. The ultimate goal is to identify therapeutic pathways for obesity and diabetes as a way to optimize surgical procedures and discover novel non-surgical targets for safe and effective drug therapy.…
This is a study of body changes that take place in teenagers who undergo bariatric surgery as a treatment for obesity and obesity-related conditions. Changes will be measured by serial MRI andmetabolomic profiling.