Gastroenterology
Digestive system clinical trials
Conditions of the stomach, intestines, liver, and the rest of the digestive tract. We’re tracking 7,607 recruiting studies in this area right now.
By phase
- Not applicable4,687
- Phase 21,190
- Phase 1566
- Phase 3457
- Phase 1/Phase 2368
- Phase 4229
- Phase 2/Phase 3110
Top conditions
- Colorectal Cancer480
- Pancreatic Cancer289
- Gastric Cancer283
- Hepatocellular Carcinoma256
- Esophageal Cancer189
- Rectal Cancer168
- Breast Cancer147
- Crohn Disease134
- Ulcerative Colitis129
- Colon Cancer114
- Hepatocellular Carcinoma (HCC)112
- Liver Cancer99
- Lung Cancer95
- Inflammatory Bowel Diseases94
- Ovarian Cancer90
- Pancreas Cancer90
- Esophageal Squamous Cell Carcinoma86
- Cystic Fibrosis76
Leading sponsors
- Fudan University100
- Sun Yat-sen University85
- Mayo Clinic75
- Second Affiliated Hospital, Zhejiang University, School of Medicine56
- Chinese University of Hong Kong55
- M.D. Anderson Cancer Center55
- Assistance Publique - Hôpitaux de Paris53
- Sixth Affiliated Hospital, Sun Yat-sen University51
- National Cancer Institute (NCI)50
- National Taiwan University Hospital45
Where studies are running
- California443
- Arizona189
- Texas140
- Alabama129
- Florida127
- Massachusetts120
- New York120
- Maryland88
- Ohio80
- Illinois69
Recruiting studies7,607 total
- NCT06234007RecruitingPhase 2
Short radiation plus combo therapy for advanced rectal cancer
This trial tests a short course of radiation therapy followed by a combination of three drugs (fruquintinib, adebrelimab, and CAPOX chemotherapy) before surgery for people with locally advanced rectal cancer. The goal is to see if this approach can shrink the tumor and improve outcomes.
WuhanAges 18–75 - NCT05224518Recruiting
Exercise program to improve quality of life in colorectal cancer
This trial tests whether a structured exercise program can improve quality of life for people with colorectal cancer. You may be asked to complete questionnaires in Mandarin/Taiwanese and follow exercise-related study rules to see if symptoms and daily well-being improve.
HsinchuAges 20 years+ - NCT05883800Recruiting
Total treatment with tailored radiation for advanced rectal cancer
This study tests a “total neoadjuvant” approach—chemotherapy first, then radiation—using adaptive (tailored) radiation planning for people with locally advanced rectal cancer. It may help improve tumor control while adjusting the radiation based on how your cancer and anatomy respond.
BergenAges 18 years+ - NCT06326879Recruiting
Comparing early vs late onset colorectal cancer
This study compares patients diagnosed with colorectal cancer at a younger age (under 50) to those diagnosed later in life. By looking at tissue samples and patient surveys, researchers hope to understand differences in the disease and improve care for all ages.
Rozzano, MIAges 18 years+ - NCT06265025RecruitingPhase 1/Phase 2
GM103 injection for advanced solid tumors that can't be removed
This trial tests an experimental drug called GM103 that is injected directly into tumors. It is for people with advanced solid tumors that have not responded to other treatments and cannot be surgically removed.
Goyang-si, Gyeonggi-doAges 18 years+ - NCT06162767Recruiting
Surgery comparison for junction cancer
This trial compares two surgical techniques for treating a specific type of cancer at the junction of the stomach and esophagus. It aims to find which surgery offers better outcomes for patients.
Nanjing, JiangsuAges 18–80 - NCT06323681Recruiting
Lower-dose interferon for chronic hepatitis B patients who've tried it before
This study tests a lower dose of pegylated interferon for people with chronic hepatitis B whose virus levels dropped significantly during a previous interferon treatment. It aims to see if a second round can further reduce or clear the virus.
Shanghai, Shanghai MunicipalityAges 18–65 - NCT06196788RecruitingPhase 2
Artery infusion chemo for advanced pancreatic cancer
This trial tests a treatment called transcatheter arterial infusion, where chemotherapy drugs are delivered directly to the tumor through a thin tube in an artery. It's for people with advanced pancreatic cancer who haven't had other treatments yet.
Shanghai, Shanghai MunicipalityAges 18–80 - NCT06326736RecruitingEarly Phase 1
mRNA vaccine after surgery for pancreatic cancer
This trial tests a personalized mRNA vaccine (made from your tumor's unique markers) combined with standard chemotherapy after surgery for pancreatic cancer. The goal is to see if the vaccine can help prevent the cancer from coming back.
Nanjing, JiangsuAges 18–75 - NCT06145074RecruitingPhase 2
Testing propranolol before surgery for pancreatic cancer
This trial tests if taking propranolol (a blood pressure medication) before surgery helps treat pancreatic cancer that can be removed. It aims to see if the drug is safe and works well.
CopenhagenAges 18 years+ - NCT06327568Recruiting
Screening for anal cancer and precancer with a new HPV test
This study tests how well a special HPV test (called BD Onclarity™) can find anal cancer or precancer. It is for people at high risk or with known anal abnormalities, and aims to improve early detection.
MilanAges 18 years+ - NCT06331988Recruiting
Study of colon cancer, bacteria, and the immune system
This study looks at how bacteria in your gut, your immune system, and colon cancer interact. It aims to understand these connections to improve future treatments.
MilanAges 18–75 - NCT06326502RecruitingPhase 1
A study of ETN101 for advanced liver cancer
This trial tests an experimental oral drug (ETN101) for adults with advanced liver cancer (hepatocellular carcinoma) that has gotten worse after standard treatments or can't be treated with standard therapy. It aims to see if the drug is safe and effective.
SeoulAges 19–65 - NCT06338332Recruiting
Stent before surgery for right-sided colon blockage from cancer
This trial tests whether placing a stent first to relieve a blockage in the right side of the colon improves outcomes before surgery for colon cancer. It aims to help patients who come to the hospital with a blocked colon due to cancer.
Breda, North BrabantAges 18 years+ - NCT06338683RecruitingPhase 3
Olanzapine for advanced upper digestive and lung cancer survival
This study tests whether a medicine called olanzapine can improve survival in people with advanced cancers of the upper digestive system or lungs. Olanzapine may help with appetite and weight, which are common problems in these cancers.
Xining, QinghaiAges 18–80 - NCT04660760RecruitingPhase 2
Comparing two treatments for advanced stomach cancer after first treatment
This study tests two different treatment options for advanced stomach or gastroesophageal junction cancer that has grown after earlier chemotherapy. One option combines a targeted therapy (ramucirumab) with a chemotherapy pill (trifluridine/tipiracil), and the other is a standard chemotherapy drug (paclitaxel). The goal is to see which approach works better for people whose cancer has progressed, with the hope of improving outcomes.
Birmingham, AlabamaAges 18 years+ - NCT06302205Recruiting
Home exercise program after liver transplant
This study tests whether a home-based exercise program can help people who recently had a liver transplant. It compares different exercise intensities to see which works best for recovery.
Leuven, Vlaams-BrabantAges 18 years+ - NCT06340620Recruiting
Comparing a new ultrasound tool to the standard scope
This study compares a new, possibly easier-to-use ultrasound tool (EndoSound Vision System) to the standard echoendoscope for looking at organs like the pancreas, bile duct, or lymph nodes. If you are already scheduled for an endoscopic ultrasound, you may be able to join.
Orlando, FloridaAges 18–100 - NCT04169152Recruiting
Treatment for internal hemorrhoids and rectal prolapse
This trial studies a procedure (“CAES”) for people with internal hemorrhoids (grades I–III) and/or rectal prolapse. It may help reduce symptoms and improve bleeding or discomfort, as long as your condition fits the study’s safety rules.
Nanjing, JiangsuAges Any age - NCT05973500Recruiting
Mediterranean diet study for inflammatory bowel disease
This trial studies whether eating a Mediterranean-style diet can improve inflammatory bowel disease (including mild to moderate Crohn’s). It may help by testing changes in gut inflammation measured by your symptoms and stool tests.
San Diego, CaliforniaAges 18 years+ - NCT06341595RecruitingPhase 2
Chemo, radiation and immunotherapy before surgery for stomach cancer with PALM
This trial tests combining chemotherapy, radiation, and an immunotherapy drug (sintilimab) before surgery for advanced stomach cancer that has spread to lymph nodes near the aorta (called PALM). The goal is to see if this approach can shrink the tumor enough to allow complete removal.
Nanjing, JiangsuAges 18–75 - NCT05903742Recruiting
Standard care for hepatitis delta in the Netherlands
This trial focuses on improving and standardizing how hepatitis delta is cared for in the Netherlands. To take part, you must have confirmed active hepatitis delta and be an adult.
RotterdamAges 18 years+ - NCT05652920RecruitingPhase 1/Phase 2
CAR T-cell therapy for liver cancer that has GPC3
This early-phase study tests modified immune T cells (CAR T cells) to treat hepatocellular carcinoma (HCC), a type of liver cancer, when the tumor shows a marker called GPC3. It may help shrink tumors or slow cancer growth, especially after other treatments have stopped working.
Beijing, Beijing MunicipalityAges 18–70 - NCT06221748RecruitingPhase 2/Phase 3
Study of DV with cadonilimab for HER2-positive stomach cancer
This trial tests a combination of two drugs (DV and cadonilimab) for people with HER2-positive stomach or gastroesophageal junction cancer that has grown after first treatment. It aims to see if this combo can help when standard options have stopped working.
Beijing, Beijing MunicipalityAges 18–75
Common questions
- How many digestive system clinical trials are recruiting?
- Clin2 is tracking 7,607 recruiting gastroenterology studies from the U.S. registry right now, out of 11,926 we cover in this area in total.
- What does “Digestive system” cover here?
- Conditions of the stomach, intestines, liver, and the rest of the digestive tract. We group each study into digestive system based on the conditions it studies, so you can scan the whole therapeutic area at once and drill into a specific condition.
- How do I find a digestive system trial near me?
- Use the search to filter digestive system studies by location and eligibility. Every Clin2 trial page explains the criteria in plain English and offers a short, optional pre-screen for a fit read — the study team makes the final decision.
Other specialties
- Cancer
- Brain & nervous system
- Heart & circulation
- Hormones & metabolism
- Mental health
- Lungs & breathing
- Immune system & allergy
- Women’s health & pregnancy
- Skin
- Blood & lymphatic
- Kidney & urinary
- Infections
- Genetic & congenital
- Bones, joints & muscles
- Pain
- Injuries & trauma
- Mouth & dental
- Eyes & vision
- Ear, nose & throat
Clin2 helps you find and understand clinical trials and does not provide medical advice. Study data comes from ClinicalTrials.gov; specialty groupings are derived from each study’s conditions. Talk with your doctor about whether a specific trial is right for you.