Achalasia Treatment Study: The purpose of this study is to assess the safety and efficacy of peroral endoscopic myotomy, and to assess the quality of life, pain and complications of this endoscopic approach.

Breast Cancer Microbiota Collection Study: Study of the gastrointestinal microbiota (colon bacteria) in patients with and without breast cancer

Chicago Colorectal Cancer Consortium: The purpose of this study is to better understand colorectal cancer in African-Americans.

Circadian Desynchrony in Alcohol-Induced Gut Leakiness: A study examining whether circadian disruption is the susceptibility factor for alcohol-induced gut leakiness.

DNA Methylation for Detection and Monitoring of Colorectal Cancer: The primary objective of the study is to develop a plasma-based assay that allows for differentiation of patients with colorectal cancer (CRC) and advanced polyps from those with essentially normal colonic tissue.

GI Repository: The Section of Gastroenterology and Nutrition at Rush University Medical Center in Chicago maintains a tissue storage bank that allows us to collect tissue, blood, urine and/or stool samples from people undergoing endoscopic procedures.

Mind/Body Medicine and Ulcerative Colitis: A study examining whether the practice of one of two mind/body courses among patients with ulcerative colitis (active or inactive) affects disease course and severity.

Obese Adults and a Novel Synbiotic: A study examining the application of a novel synbiotic to modulate the human gut microbiota and improve health in obese adults

Onconome: Blood Samples from Subjects at an Elevated Risk for Colorectal Cancer: The primary study objective is to develop a screening test (pre-IDE) for the early detection of CRC. Blood samples will be obtained from subjects who are at elevated risk of CRC.

SECURE Cimzia Registry Trial: This study is a post-drug approval registry designed to monitor the long-term safety of Cimzia when used in customary clinical practice in patients with Crohn's disease and compared to a non-Cimzia control population.

Specific Carbohydrate Diet and Microbiota: A study examining the microbiota in patients with inflammatory bowel disease.