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
- NCT06262126Recruiting
Virtual reality for non-cardiac chest pain
This study tests whether virtual reality can help people who have chest pain that is not caused by the heart. You will use a VR headset to see if it reduces your symptoms.
Jacksonville, FloridaAges 18 years+ - NCT06263088Recruiting
Equity in GI Cancer Care Study
This trial is looking for Black patients newly diagnosed with any stage of gastrointestinal cancer to help improve cancer care and make sure research includes everyone. By joining, you help doctors learn how to better support patients like you.
Cleveland, OhioAges 18 years+ - NCT06263959RecruitingPhase 2
Testing a new hepatitis B pill (GST-HG131) for chronic HBV
This study tests a new drug, GST-HG131, for people with chronic hepatitis B who are already on stable treatment. It aims to see if the drug is safe and reduces the virus further.
BeijingAges 35–65 - NCT06264934Recruiting
Testing a new breast scanner using electric fields
This study is testing a new type of scanner that uses safe electric fields to create images of breast tissue. It may help doctors see breast changes without needing a biopsy or X-ray. By joining, you help researchers understand how well this scan works.
LondonAges 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+ - NCT06265272Recruiting
PSMA-11 PET/MRI for Liver Cirrhosis
This study uses a special PET/MRI scan with a tracer called PSMA-11 to look at how liver cirrhosis affects the liver. It may help doctors better understand and monitor the disease.
Charlestown, MassachusettsAges 18–99 - NCT06265285RecruitingPhase 2
Nivolumab at home vs. clinic for cancer treatment
This study compares giving the immunotherapy drug nivolumab as a shot under the skin at home versus in the clinic. It is for people with certain cancers who are already taking or starting nivolumab.
Jacksonville, FloridaAges 18 years+ - NCT06265350Recruiting
Freezing lung tumors plus immunotherapy for liver cancer with lung spread
This study tests a combination of treatments—freezing the lung tumors (cryoablation) plus two drugs (cardonilizumab and bevacizumab)—for people with liver cancer that has spread only to their lungs. It may be an option if your first treatment stopped working but your liver tumors are under control.
Guanzhou, GuangdongAges 18–75 - NCT06265649Recruiting
Managing diverticulitis without surgery: ward comparison
This trial compares non-operative management for acute left colonic diverticulitis (ALCD) in medical versus surgical wards, to see which setting leads to better outcomes. If you have diverticulitis diagnosed by CT scan and are being treated without immediate surgery, you may be eligible.
Trieste, TSAges 18 years+ - NCT06266416Recruiting
Black caregivers & girls empowerment study
This study tests a program called IMARA to support black male caregivers and the girls they care for. It aims to improve family relationships and reduce risky behaviors in girls.
Chicago, IllinoisAges 13 years+ - NCT06266260Recruiting
Measuring liver pressure with ultrasound for advanced liver disease
This trial uses a minimally invasive ultrasound technique to directly measure blood pressure in the liver's main vein. It may help doctors decide if patients with severe scarred livers need medication to prevent variceal bleeding.
RomaAges 18–99 - NCT06266832RecruitingPhase 2
Short-course radiation with immunotherapy and chemo for rectal cancer
This trial tests a combination of short-course radiation, an immunotherapy drug (adebrelimab), and chemotherapy (CAPEOX) before surgery to help preserve the rectum in people with MSS/pMMR ultra-low rectal cancer. The goal is to shrink the tumor enough to avoid removing the rectum.
Hangzhou, ZhejiangAges 18 years+ - NCT06267365Recruiting
Predicting treatment success for chronic pancreatitis
This study looks at whether brain patterns can predict how well endoscopic therapy works for chronic pancreatitis pain. If you have confirmed chronic pancreatitis with blockage in your pancreatic duct and frequent pain, you may be able to join.
New York, New YorkAges 18 years+ - NCT06267378Recruiting
Frailty and its effects on older patients having major gut surgery
This study looks at how frailty affects recovery and outcomes for patients aged 70 and older who are having planned surgery to remove colorectal cancer. The goal is to better understand frailty's impact so care can be improved.
Doncaster, South YorkshireAges 18 years+ - NCT06268262Recruiting
Obesity brain imaging study before and after surgery
This study uses brain scans to understand how obesity affects the brain and how bariatric surgery may change it. It compares people with obesity who are planning surgery to healthy volunteers.
Xuzhou, JiangsuAges 18–65 - NCT06268964RecruitingPhase 1/Phase 2
Trimebutine vs probiotics for kids with belly pain
This study compares two treatments—trimebutine and probiotics—to see which works better for children with recurring stomach pain that has no clear medical cause. It aims to find a safe and effective option for kids aged 4 to 18.
ColimaAges 4–18 - NCT06269510Recruiting
Study to help alcohol-related liver disease patients drink less
This study is testing new ways to help people with alcohol-related liver disease reduce their drinking. Researchers will check if a program offered through your regular liver clinic can help you drink less and stay healthier.
Detroit, MichiganAges 18 years+ - NCT06270017RecruitingPhase 1/Phase 2
Zebrafish Avatars for Colon Cancer Treatment
This trial uses tiny zebrafish to grow a piece of your tumor and test which treatments might work best for you. It is for patients with colon cancer who are scheduled for surgery to remove their tumor.
Linköping, Östergötland CountyAges 18 years+ - NCT06271213Recruiting
Gut-lung study for children with breathing problems
This study looks at how the gut and lungs affect breathing problems in children. It compares samples from children with and without respiratory illnesses to understand why some children get sicker than others.
GlasgowAges birth–16 years - NCT06271538RecruitingPhase 4
Skal Pro Powder for IBS symptoms
This study tests if Skal Pro Powder, a probiotic, can help relieve symptoms of Irritable Bowel Syndrome (IBS). It is for adults with any type of IBS who haven't used certain other treatments recently.
Kubang Kerian, KelantanAges 18 years+ - NCT06271941Recruiting
Reducing polyp return after large colon polyp removal
This trial is testing a standard way to remove large polyps from the colon and checking if it helps prevent them from coming back. It's for people who have a large non-cancerous polyp that needs to be taken out during a colonoscopy.
Montreal, QuebecAges 18 years+ - NCT06272214RecruitingPhase 2
Adjuvant radiotherapy for esophageal cancer after immunotherapy
This trial tests if adding radiation therapy after surgery improves outcomes for people with esophageal squamous cell cancer who received immunotherapy and chemotherapy before surgery but did not achieve a complete response. It aims to see if this approach can lower the chance of the cancer coming back.
Hangzhou, ZhejiangAges 18–75 - NCT06272461Recruiting
Comparing lidocaine vs. ketamine for colorectal surgery pain
This trial compares two pain-relief medicines (lidocaine vs. ketamine) given through an IV during open colorectal surgery. It aims to find which one works better to reduce pain after surgery.
NabeulAges 18–90 - NCT06273046Recruiting
Biofeedback for bowel control problems
This trial tests a non-invasive biofeedback technique to help people regain control of bowel movements. It may be an option for those with frequent stool leakage or difficult constipation, but participants must not have certain other digestive or neurological conditions.
BarcelonaAges 18–75
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.