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Gastroenterology — Clinical Trials

Colonoscopy Research Study

R01 colonoscopy research study.

Crohn’s Disease TRIDENT Study

Crohn’s disease TRIDENT study.

Effects of Circadian Misalignment and Alcohol Consumption on COVID-19 Infection in Healthcare Providers

Study on the effects circadian misalignment and alcohol consumption in healthcare providers have on the risk of coronavirus infection and to determine if these factors play a role in worsening symptom severity in COVID-19 patients.

GI Repository

GI repository

Paradoxical Diarrhea Treatment Study

This is a study to determine what doctors are doing to treat patients suspected of having paradoxical diarrhea.

Polyp Removal Research Study

Polyp removal research study.

Registry Study for Patients with Ulcerative Colitis

A long-term non-interventional registry trial of Humira® (adalimumab) in patients with ulcerative colitis.

Registry Study for Patients with Ulcerative Colitis or Crohn’s Disease

Entyvio (vedolizumab) long-term safety study: An international observational prospective cohort study comparing vedolizumab to other biologic agents in patients with ulcerative colitis or Crohn's disease..

Specific Carbohydrate Diet and Microbiota

The Specific Carbohydrate Diet: Does it change the intestinal microbiota and metabolome?

Study of Constipation in Patients with Parkinson’s Disease

Study of the role constipation plays in Parkinson’s disease by comparing the microbiome of Parkinson’s disease patients to that of healthy controls.