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…
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…
The purpose of this study is to understand the life course of PIRD patients and their family members that have the same gene change but do not have the same symptoms. PIRD is mostly due to inherited changes in the genes that normally have immune cells fight infections and regulate the immune system. There are many types of problems that patients with PIRD…
The purpose of this research is to determine whether a new investigational drug called TAK-935 is safe and whether it may help treat epilepsy in children with 15q duplication syndrome or CDKL5 deficiency disorder.
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.
Epstein-Barr Virus (EBV) is the virus that causes mononucleosis, also known as mono. Almost all adults have had EBV. For most people, EBV never causes a health problem. However, when their immune system is not working properly (people who have had a transplant and those who have immune disorders), EBV can cause certain…
The purpose of this study is to investigate the safety and effectiveness of eltrombopag (investigational drug) in treating children and adolescents with newly-diagnosed immune thrombocytopenia (ITP), which is a rare blood disorder.