Data and Sample Collection Study to Elucidate the Mechanisms of Eosinophilic Disorders

Eosinophils and Inflammation, an Expanded Study

The purpose of this study is to elucidate the mechanisms underlying eosinophil growth, survival, migration, and function and to investigate and further characterize the pathophysiology of, clinical manifestations of, and spectrum of disease severity of eosinophilic inflammation in humans.

Inclusion Criteria:

• Signed informed consent obtained from the patient or parent/guardian. Assent will be obtained from all minors 11 years of age and older.
• Carrying a diagnosis of eosinophilic gastrointestinal disease, eosinophilic inflammatory disease, or food allergy OR family member, or normal control