Gastroenterology
Digestive system clinical trials
Conditions of the stomach, intestines, liver, and the rest of the digestive tract. We’re tracking 7,890 recruiting studies in this area right now.
By phase
- Not applicable4,918
- Phase 21,185
- Phase 1582
- Phase 3465
- Phase 1/Phase 2393
- Phase 4236
- Phase 2/Phase 3111
Top conditions
- Colorectal Cancer491
- Gastric Cancer296
- Pancreatic Cancer290
- Hepatocellular Carcinoma283
- Esophageal Cancer191
- Rectal Cancer176
- Breast Cancer146
- Crohn Disease144
- Ulcerative Colitis141
- Colon Cancer115
- Inflammatory Bowel Diseases108
- Hepatocellular Carcinoma (HCC)106
- Liver Cancer100
- Lung Cancer97
- Pancreas Cancer94
- Esophageal Squamous Cell Carcinoma88
- Ovarian Cancer88
- Cystic Fibrosis78
Leading sponsors
- Fudan University104
- Sun Yat-sen University90
- Mayo Clinic75
- Chinese University of Hong Kong60
- M.D. Anderson Cancer Center58
- Second Affiliated Hospital, School of Medicine, Zhejiang University57
- Assistance Publique - Hôpitaux de Paris55
- Sixth Affiliated Hospital, Sun Yat-sen University50
- National Taiwan University Hospital49
- Cancer Institute and Hospital, Chinese Academy of Medical Sciences48
Where studies are running
- California461
- Arizona177
- Texas149
- Florida133
- Massachusetts128
- New York123
- Alabama122
- Maryland86
- Ohio80
- Pennsylvania72
Recruiting studies7,890 total
- NCT06509230Recruiting
Predicting serious liver scarring in hepatitis B patients
This study looks at better ways to predict significant liver fibrosis (scarring) in people with chronic hepatitis B or non-alcoholic fatty liver disease. It aims to help avoid invasive tests like liver biopsy.
Hangzhou, ZhejiangAges 18–60 - NCT06509568RecruitingPhase 2
Chemoradiation plus immunotherapy before surgery for esophageal cancer
This trial tests giving a combination of chemotherapy, radiation therapy, and an immunotherapy drug before surgery for a type of esophageal cancer (squamous cell). The goal is to see if this approach helps shrink the tumor and improve outcomes for patients whose cancer can be surgically removed.
Hangzhou, ZhejiangAges 18–75 - NCT06510348Recruiting
Feeding support for ventilated patients with gut issues
This trial tests a special approach to nutrition for patients on breathing machines who have trouble digesting food. It aims to see if the new method helps meet nutritional needs better.
BucharestAges 18 years+ - NCT06510543Recruiting
Nutrition drink before and after esophageal cancer surgery
This study tests a special nutrition drink (ORAL IMPACT®) before and after esophageal cancer surgery. It aims to help patients who are malnourished get stronger and recover better.
Beijing, Beijing MunicipalityAges 18–80 - NCT06510660RecruitingPhase 2
Immunotherapy and Chemoradiation for Advanced Esophageal Cancer
This trial tests a combination of immunotherapy (adebrelimab) plus standard chemotherapy and radiation for people with advanced esophageal cancer that cannot be removed by surgery. The goal is to see if adding the immunotherapy before and during chemoradiation helps control the cancer better.
Fuzhou, FujianAges 18–70 - NCT06510972Recruiting
Eating versus fasting for ICU patients with breathing failure
This study looks at whether it's safe and helpful to let people with severe breathing problems in the ICU eat and drink normally instead of fasting. If you qualify, you may be assigned to either continue eating or to fast while doctors monitor your recovery.
BloisAges 18 years+ - NCT06511037RecruitingEarly Phase 1
Dye injection to help see cancer during belly surgery
This study tests a special dye, called pafolacianine, that is injected before surgery to help surgeons see hidden cancer spots in the belly during the operation. The goal is to see if using this dye improves how completely the cancer is removed in people with gastrointestinal cancer that has spread to the belly lining.
Orange, CaliforniaAges 18 years+ - NCT06511284Recruiting
Nutrition therapy for swallowing problems after breathing tube removal
This study tests whether specialized nutrition therapy can help patients who have trouble swallowing after a breathing tube is removed. The goal is to improve recovery and quality of life for people who need a feeding tube after leaving the hospital.
Mexico CityAges 18 years+ - NCT06512597Recruiting
Behavioral therapy for active Crohn's disease
This study tests whether a behavioral therapy program can help people with active Crohn's disease feel better when they start a new biologic medication. You'll get extra support to manage stress and symptoms while you and your doctor adjust your treatment.
New York, New YorkAges 18–65 - NCT06512064Recruiting
Breath sound test for lung health
This study tests a new device that listens to your breathing to check lung health. It is for healthy people and those with asthma, COPD, CF, or other airway diseases.
Indianapolis, IndianaAges 8–70 - NCT06512441Recruiting
Vitamin B6 for inflammatory bowel disease
This study tests whether vitamin B6 can help treat inflammatory bowel disease (IBD). It may offer a simple, low-cost option to support your current treatment.
Shanghai, Shanghai MunicipalityAges 18–75 - NCT06512584RecruitingPhase 3
Study of PJ009 for short bowel syndrome patients needing IV nutrition
This trial tests a new medicine called PJ009 for people with short bowel syndrome who need intravenous (IV) nutrition support. It aims to help reduce the need for IV nutrition. To join, you must have been dependent on IV nutrition for at least six months and be on a stable schedule.
Beijing, Beijing MunicipalityAges 14 years+ - NCT06512701Recruiting
Fat-soluble vitamins and fatty liver disease study
This study looks at how fat-soluble vitamins (like vitamins A, D, E, and K) are related to non-alcoholic fatty liver disease (NAFLD). It may help understand if vitamin levels affect your liver health.
Hangzhou, ZhejiangAges 18 years+ - NCT06512792Recruiting
Study on mobile app for managing inflammatory bowel disease
This study tests if a mobile app can help manage your inflammatory bowel disease (IBD) from home. You may be eligible if you have IBD that has been active in the last two years and you are between 18 and 75 years old.
Shanghai, Shanghai MunicipalityAges 18–75 - NCT06513026Recruiting
Milk for diabetes prevention
This study tests whether drinking milk daily can help prevent type 2 diabetes in people with prediabetes and a specific gene variation. You'll be asked to drink milk or a placebo drink for several weeks while researchers monitor your blood sugar and health.
The Bronx, New YorkAges 18–70 - NCT06513195Recruiting
EUS-guided tool to check how well beta-blockers work for cirrhosis
This study tests a new way to measure if a type of blood pressure medicine called non-selective beta-blockers (NSBBs) is helping patients with cirrhosis. It uses a thin, flexible tube with a camera (endoscope) to measure pressures in the liver and a nearby vein. If you have cirrhosis with high pressure in the portal vein but haven't started NSBBs yet, this study may help your doctor decide if the medicine is working for you.
Leuven, Vlaams-BrabantAges 18–80 - NCT06513286RecruitingPhase 1/Phase 2
Therapeutic hepatitis B vaccine study using a two-part shot
This trial tests a new vaccine to treat chronic hepatitis B. It's for people who have been on antiviral medication for at least 6 months and still have a low level of the virus in their blood.
FrankfurtAges 18–70 - NCT06513598Recruiting
Finding infection signs after abdominal cancer surgery
This study looks for ways to better predict and catch infections after major abdominal cancer surgery. If you are having surgery for certain cancers (esophagus, stomach, pancreas, liver, bile ducts, colon, or rectum), the researchers will check your blood and other samples for early signs of infection so they can start treatment sooner.
VilniusAges 18 years+ - NCT06514079Recruiting
Steroid injection for stubborn esophageal strictures in children
This trial tests whether adding a steroid injection to esophageal dilation helps children with narrowings that keep coming back. If you have a child with a stubborn narrowing that has already needed dilation, this treatment might help keep it open longer.
Cairo, SelectAges 2–14 - NCT06514573Recruiting
Butyrate supplement for children with autism and stomach issues
This study tests if a supplement called butyrate can help improve gut health in children aged 3-6 who have autism and ongoing stomach problems like constipation or bloating. It aims to see if this treatment eases their digestive symptoms.
NaplesAges 3–6 - NCT06515223Recruiting
Pelvic rehab with spinal cord stimulation after injury
This study tests a spinal cord stimulator to help improve bladder and pelvic function in people with a spinal cord injury. You would use a small device placed near the spine that sends electrical pulses to help control your bladder better.
StanmoreAges 18 years+ - NCT06515210Recruiting
Fibre supplement for ulcerative colitis inflammation
This study tests whether a special fibre supplement can reduce inflammation in people with active ulcerative colitis. You take the supplement daily for a few weeks, and researchers check how it affects your symptoms and gut health.
Edmonton, AlbertaAges 14 years+ - NCT06515314RecruitingPhase 1
TCR-T cell therapy for AFP-positive liver and other cancers
This trial tests an experimental cell treatment called HRYZ-T102 TCR-T for people with advanced liver cancer or other solid tumors that make a protein called AFP. The treatment uses your own immune cells, modified in a lab to target and kill cancer cells.
Shanghai, Shanghai MunicipalityAges 18–75 - NCT06515353Recruiting
Gastrointestinal bleeding and atmospheric pressure study
This study looks at how changes in atmospheric pressure might affect gastrointestinal bleeding. If you have had bleeding from your stomach or intestines and live in central Ankara, this trial could help doctors understand if weather plays a role.
Ankara, YenimahalleAges 18 years+
Common questions
- How many digestive system clinical trials are recruiting?
- Clin2 is tracking 7,890 recruiting gastroenterology studies from the U.S. registry right now, out of 12,399 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.