Gastroenterology
Digestive system clinical trials
Conditions of the stomach, intestines, liver, and the rest of the digestive tract. We’re tracking 7,903 recruiting studies in this area right now.
By phase
- Not applicable4,926
- Phase 21,187
- Phase 1582
- Phase 3466
- Phase 1/Phase 2395
- Phase 4236
- Phase 2/Phase 3111
Top conditions
- Colorectal Cancer493
- Gastric Cancer297
- Pancreatic Cancer292
- Hepatocellular Carcinoma284
- Esophageal Cancer191
- Rectal Cancer176
- Breast Cancer147
- Crohn Disease144
- Ulcerative Colitis141
- Colon Cancer115
- Inflammatory Bowel Diseases108
- Hepatocellular Carcinoma (HCC)106
- Liver Cancer101
- Lung Cancer98
- Pancreas Cancer94
- Esophageal Squamous Cell Carcinoma88
- Ovarian Cancer88
- Cystic Fibrosis78
Leading sponsors
- Fudan University104
- Sun Yat-sen University91
- Mayo Clinic74
- 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
- California462
- Arizona177
- Texas149
- Florida135
- Massachusetts127
- New York123
- Alabama122
- Maryland86
- Ohio80
- Pennsylvania72
Recruiting studies7,903 total
- NCT07264036Recruiting
Nasal Speech After Head and Neck Cancer Treatment Study
This study is for people who have had treatment for head or neck cancer and now have a nasal-sounding voice. It tests a procedure to help improve speech by adding a small amount of filler material to the back of the throat.
Charlottesville, VirginiaAges 18 years+ - NCT07264556Recruiting
Comparing three anesthesia types for colorectal cancer surgery
This trial compares three types of anesthesia during colorectal cancer surgery to see how they affect the body's immune response and cancer cells. It may help find the safest and most effective anesthesia option for people having this operation for the first time.
Shanghai, Shanghai MunicipalityAges 18–80 - NCT07265297RecruitingPhase 3
Hydroxychloroquine for fatty liver disease with inflammation
This trial tests if hydroxychloroquine, a medicine used for other conditions, can reduce liver inflammation in people with fatty liver disease. It aims to help those whose fatty liver has caused ongoing liver damage.
Taipei, TaiwanAges 18 years+ - NCT07265544Recruiting
Liver disease study using advanced tissue analysis
This study uses advanced techniques to analyze liver tissue samples from people with various liver conditions. It aims to better understand how liver diseases develop and progress, which may help improve future treatments.
Guangzhou, GuangdongAges Any age - NCT07265570RecruitingPhase 2
ISM5411 for active ulcerative colitis
This trial tests an experimental drug (ISM5411) for people with active ulcerative colitis. The goal is to see if the drug can reduce inflammation and improve symptoms.
Beijing, Beijing MunicipalityAges 18–75 - NCT07266493RecruitingPhase 2
Envafolimab plus chemo for esophageal cancer before surgery
This trial tests a new immunotherapy drug (Envafolimab) combined with standard chemotherapy before surgery for esophageal cancer that has not spread far. The goal is to see if this combination can shrink tumors and improve outcomes.
Shanghai, Shanghai MunicipalityAges 18 years+ - NCT07267078RecruitingPhase 2
Tuvonralimab and Iparomlimab before surgery for bile duct cancer
This trial tests two immunotherapy drugs (Tuvonralimab and Iparomlimab) given before surgery to shrink bile duct cancers that are borderline removable. The goal is to make the tumor easier to remove completely and improve outcomes.
Beijing, Beijing MunicipalityAges 18–75 - NCT07267117Recruiting
Heart valve disease progression and outcomes study
This study is following people with heart valve disease (leaky or narrowed valves) to understand how the disease changes over time and what problems it may cause. It does not test a new treatment, but helps doctors learn more about valve disease progression.
Fuzhou, FujianAges 18 years+ - NCT07267169Recruiting
Blood filtering for acute pancreatitis
This trial tests whether a special blood filter (Efferon LPS) can help people with moderate to severe acute pancreatitis by removing harmful substances. It is for those who have been sick for 5 days or less and have certain signs of inflammation or organ stress.
Kazan'Ages 18–75 - NCT07267260RecruitingPhase 2
Vonoprazan to prevent ulcers after variceal banding
This trial tests whether vonoprazan can reduce ulcers caused by a procedure that ties off enlarged veins in the esophagus (variceal band ligation). It is meant for people with liver cirrhosis who are scheduled to receive this treatment.
Lahore, Punjab ProvinceAges 18–75 - NCT07267468Recruiting
App and nutrition plan for swallowing recovery after stroke
This study tests a mobile health program combining rehabilitation exercises and a personal nutrition plan to help people recover from swallowing problems (dysphagia) after a stroke. The goal is to see if using the app improves swallowing and quality of life.
Algeciras, CadizAges 18 years+ - NCT07268261Recruiting
New surgery for chronic anal fissure
This trial tests a new combined surgical method for people with a chronic anal fissure (a small tear in the skin around the anus) that has not healed and is causing muscle spasms. The goal is to see if this surgery can help the fissure heal and relieve pain and spasm.
MoscowAges 18–70 - NCT07268365Recruiting
Using a cap on the endoscope for upper GI bleeding
This trial tests if placing a small plastic cap on the tip of the endoscope helps doctors treat bleeding ulcers in the stomach or duodenum more effectively. It is for people who are actively bleeding from an ulcer and need an emergency endoscopy.
Amiens, PicardieAges 18 years+ - NCT07268820RecruitingPhase 4
Nighttime heartburn treatment for erosive GERD
This trial tests a treatment for nighttime heartburn caused by GERD, a condition where stomach acid damages the esophagus. It is for adults who have had nighttime heartburn for more than 3 months and have been diagnosed with erosive GERD.
AnsanAges 19 years+ - NCT07268846Recruiting
Prebiotic supplement before colorectal cancer surgery
This trial tests if taking a postbiotic supplement before surgery for colorectal cancer can improve recovery. It may help patients with adenocarcinoma of the large intestine prepare for their operation.
São Paulo, São PauloAges 18 years+ - NCT07269041RecruitingPhase 1/Phase 2
Immune tolerance after liver transplant
This trial tests a way to help your body accept your liver transplant without needing lifelong anti-rejection drugs. It uses your living donor's stem cells to train your immune system to not attack the new liver.
Los Angeles, CaliforniaAges 18 years+ - NCT07269223Recruiting
Oral vitamin D3 for inflammation in ulcerative colitis
This study tests whether taking vitamin D3 by mouth can reduce inflammation in people with moderate ulcerative colitis and low vitamin D levels. It may help if you have a confirmed diagnosis and are between 20–40 years old.
Lahore, Punjab ProvinceAges 20–40 - NCT07269626RecruitingPhase 2
PULSAR therapy for pancreatic cancer
This trial tests whether adding a special type of radiation therapy (PULSAR) to standard chemotherapy can help control pancreatic cancer that has not spread far. It is for people who have already completed a few rounds of chemo without their cancer growing.
Seoul, Select Province/StateAges 19 years+ - NCT07270237Recruiting
New ultrasound imaging for pancreas and thyroid
This study tests new ultrasound methods to better see the pancreas and thyroid. It includes people at high risk for pancreatic cancer, those with pancreatic cancer, those with a thyroid nodule, and healthy volunteers.
Basking Ridge, New JerseyAges 18 years+ - NCT07270601Recruiting
Ultrasound test for liver fat
This study is testing a new ultrasound method to measure fat in the liver. It is for people who may have a liver condition or have risk factors like diabetes or obesity, as well as healthy volunteers.
Seattle, WashingtonAges 18–75 - NCT07271069Recruiting
Ozanimod vs azathioprine for steroid-dependent ulcerative colitis
This study tests whether ozanimod works better than azathioprine in people with ulcerative colitis who need high-dose steroids. Both groups also stay on steroids. The goal is to see if either drug helps you reduce or stop steroids while keeping symptoms under control.
Chiba, ChibaAges 18 years+ - NCT07271576Recruiting
Phycocyanin study for liver fibrosis and cirrhosis
This trial tests if phycocyanin (a natural blue pigment from spirulina) can help protect the liver and slow damage from fibrosis or cirrhosis. It may be an option if you have stable liver disease and are looking for supportive therapy.
HangzhouAges 18–75 - NCT07272187Recruiting
Heat therapy for small pancreatic and adrenal tumors
This trial tests a new treatment that uses an endoscope (a thin, flexible tube with a camera) to deliver heat energy directly to certain small tumors in the pancreas or adrenal gland. It may be an option for people who cannot have surgery or whose tumors are growing slowly.
Herlev, Capital RegionAges 18 years+ - NCT07272382Recruiting
Omega-3 supplements with immunotherapy for advanced esophageal cancer
This trial tests whether adding omega-3 fatty acid supplements to a PD-1 inhibitor (a type of immunotherapy) can help control advanced esophageal cancer. It is for people whose cancer has spread or returned, and who have not already failed a similar immunotherapy.
Shanghai, Shanghai MunicipalityAges 18 years+
Common questions
- How many digestive system clinical trials are recruiting?
- Clin2 is tracking 7,903 recruiting gastroenterology studies from the U.S. registry right now, out of 12,451 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.