Division of Gastroenterology, Hepatology, and Nutrition Research Studies

The purpose of this research study is to collect different types of samples (such as stool, swabs, urine) to form a biorepository.

Evaluate the impact of non-persistent and persistent chemical exposures on autoimmunity, gene expression and the microbiome in children with and without Crohn’s disease.

A new, safe, state-of-the-art technique called HR-pQCT (high resolution peripheral quantitative computed tomography) can be used to measure bone health in children and adults.

A research study about bone health in children and adolescents at high risk of suffering a broken bone.

Inflammatory Bowel Disease (IBD) can sometimes add stress to your life and that may affect your physical symptoms of pain and stool habits. In this study, we want to know if practicing mindfulness via an online Mindfulness-based stress reduction (MBSR) course taught by a trained teacher can help with your IBD.

The purpose of this study is to characterize the microbiome in children with Crohn's disease who have perianal fistula and to compare it to other children with Crohn's disease who do not have perianal disease.

The goals of this research study are to learn more about acute recurrent and chronic pancreatitis in order to better understand the disease in the hopes of enhancing future treatment options.

This study will measure components or metabolites of PEG 3350 in blood and urine from children who are already taking PEG 3350 and compare these levels to measurements of the same molecules from a group of children who are not taking PEG 3350.

The Children’s Hospital of Philadelphia is seeking healthy adolescents between the ages of 12-13, who are currently in the 7^th grade, to participate in the Sleep and Growth Study 2. 

This study hypothesizes that a flexible dietary intervention of excluding processed and pro-inflammatory ingredients will improve the rate of clinical remission and mucosal healing in Crohn's disease patients, without the need for liquid formula or structured rigid diet.