Quick Links

Digestive System & Liver

Digestive System & Liver

Participate in Research is designed to connect potential volunteers with open research studies. We are looking for volunteers just like you to help answer important questions about the digestive system and liver. This page lists digestive system and liver studies that may apply to you or someone you know. If you find a study that you’d like to participate in, you can contact the study team with questions or to volunteer. Join us to improve the health of others.

More Information

UW Medicine Digestive Health
UW Medicine

UW Medicine’s Digestive Health Institute provides comprehensive and innovative treatment for diseases and disorders of the esophagus, stomach, pancreas, liver, gallbladder and bile ducts small intestine, colon, rectum, anus, pelvic floor, as well as preventive screenings to evaluate patients’ digestive tract health.

UW Medicine Liver Care and Transplantation Services
UW Medicine

UW Medicine’s Liver Care specialists, located at UW Medical Center, provide patients an uncommon wealth of experience across the spectrum of liver diseases. Our hepatologists treat patients with viral hepatitis, autoimmune hepatitis and metabolic disorders. We manage patients’ liver cancer, end-stage liver disease and transplantation.

Active Studies

HIV reservoir in blood and inflammation in the intestine.

The purpose of this study is to understand whether HIV medications can produce inflammation in the intestine (“your gut”) and affect the size of the HIV reservoir in people living with HIV. There are two study visits: General health assessment and medical history Endoscopy and…

Comparison of Surgery and Medicine on the Impact of Diverticulitis (COSMID) Trial

https://becertain.org/projects/diverticulitis-care/cosmid-study/about COSMID is a pragmatic, patient-level randomized superiority trial of elective colectomy vs. best medical management for patients with quality of life (QoL)-limiting diverticulitis. The COSMID trial focuses on both patient-reported outcomes and clinical outcomes that matter to patients. The results are expected to establish…


https://www.uwactu.com/slim-liver-study It is estimated that 30-40% of adults living with HIV have non-alcoholic fatty liver disease (NAFLD). NAFLD is the buildup of extra fat in the liver cells that is not caused by alcohol. ​Treating NAFLD may have far-reaching benefits, including reduction of insulin resistance...

The DO-IT Study

https://www.uwactu.com/the-do-it-study We want to understand why some people gain excessive weight while taking HIV treatment, and whether switching the HIV treatment regimen can help. Body weight can change throughout our lifetime and is influenced by multiple factors. Previous studies showed that people living with HIV...

The Purge-C Study

https://www.uwactu.com/reprieve-study The UW AIDS Clinical Trials Unit is looking for men and women with a new diagnosis of acute hepatitis C (HCV)--with OR without HIV--to volunteer for an investigational research study to evaluate if 4 weeks (instead of 8 to 12 weeks) of the drug...

The CANNABIS Study: Impact of Cannabis on Inflammation and Viral Persistence in Treated HIV

Could cannabis help us treat HIV? Despite being undetectable, people living with HIV have ongoing inflammation, which is the body’s reaction to infection, a state where some of your immune cells remain constantly activated. As well, HIV damages the lining of your intestines soon after infection….