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
- NCT06071312RecruitingPhase 1/Phase 2
Fecal transplant for C. diff and ulcerative colitis
This trial tests whether one or multiple fecal transplants from a healthy donor can help treat both a recurring C. diff infection and active ulcerative colitis. It aims to find the best schedule for the procedure.
RomeAges 18–75 - NCT06071507Recruiting
Comparing treatments for stomach blockage in pancreatic cancer
This trial compares three ways to relieve a stomach or duodenal blockage caused by pancreatic cancer: placing a stent, performing a bypass with a thin tube (endoscopy), or surgical bypass. It aims to find which option helps patients eat and feel better sooner.
ParisAges 18 years+ - NCT06071845Recruiting
Testing a simpler sponge test for Barrett's esophagus
This study tests a new, less invasive way to collect cells from the esophagus using a small sponge on a string (called Cytosponge). It aims to see if this method can accurately detect Barrett's esophagus, a condition that can raise the risk of esophageal cancer.
Scottsdale, ArizonaAges 18–90 - NCT06072976Recruiting
How feeding affects gut health in babies with bowel conditions
This study looks at whether breast milk or formula helps babies with certain bowel problems heal faster and reach full feeds sooner. It compares how different milk affects the bacteria in a baby's gut.
Seattle, WashingtonAges birth–55 years - NCT06073431Recruiting
Study on weight loss types in advanced cancer
This study looks at different types of weight loss (cachexia) in people with advanced lung, pancreatic, or colorectal cancer. Researchers want to find patterns to better understand and treat it. You can join even if you haven't lost weight yet.
Fort Smith, ArkansasAges 18 years+ - NCT06073873Recruiting
Safety study of ozanimod for ulcerative colitis in Korea
This study is checking the safety of ozanimod, a daily pill, for people with moderate to severe active ulcerative colitis. It looks at how well patients tolerate the medicine in real-world use in Korea.
SeoulAges 19 years+ - NCT06076811Recruiting
Guiding colorectal cancer follow-up with a blood test
This trial uses a blood test (liquid biopsy) to look for tiny bits of cancer DNA remaining after surgery. It aims to see if this test can help guide follow-up and treatment decisions for people with colorectal cancer.
Copenhagen, Capital Region of DenmarkAges 18 years+ - NCT06077591Recruiting
Genetic and organoid testing to guide cancer treatment
This trial uses advanced testing (genetic sequencing and lab-grown tumor models) to find the best treatment for people with advanced solid tumors that haven't responded to at least one standard treatment. The goal is to personalize therapy based on your tumor's unique features.
Hong Kong, N.T.Ages 18–100 - NCT06078098Recruiting
Autoimmune Hepatitis Database and Biobank Study
This study is building a database and collection of samples from people with autoimmune hepatitis in Italy. It aims to learn more about the disease and improve care.
Monza, MBAges 1 year+ - NCT06077981Recruiting
Comparing two fluids for removing surface esophageal tumors
This trial tests two different fluids (hyaluronic acid and hydroxyethylamide) used during a procedure to remove early-stage esophageal cancer. The goal is to see which fluid works better to help the doctor remove the tumor safely.
São Paulo, São PauloAges 18 years+ - NCT06078930Recruiting
Using tongue imaging to screen for stomach cancer
This study uses a special tongue camera to see if the tongue can help doctors find stomach cancer early. It is looking for both people with newly diagnosed stomach cancer and healthy volunteers to compare tongue images.
Hangzhou, ZhejiangAges 18–90 - NCT06078787RecruitingPhase 2
Olaparib for advanced pancreatic cancer with PALB2 mutation
This trial tests whether the drug olaparib can help people with advanced pancreatic cancer that has a specific change in the PALB2 gene. You may qualify if your cancer has spread or cannot be removed with surgery and you have already tried at least one other treatment.
ModenaAges 18 years+ - NCT06079021Recruiting
Study of a blood filter for sudden liver failure
This trial tests a device called CytoSorb that filters the blood to reduce inflammation in patients with sudden worsening of chronic liver disease. It may help support organ function and recovery.
Edegem, AntwerpAges 18 years+ - NCT06080789RecruitingPhase 2
Study of a single injection of RABI-767 for severe acute pancreatitis
This trial tests a single injection of a new drug called RABI-767, given through a thin tube during an endoscopic ultrasound (EUS), to see if it can help people with severe acute pancreatitis. The drug is meant to reduce inflammation and prevent complications.
Little Rock, ArkansasAges 18–85 - NCT06081647Recruiting
Testing a new airway device for endoscopy
This trial tests a special mouth-and-throat device designed to help you breathe easier during a routine endoscopy or colonoscopy. If you are a generally healthy adult scheduled for one of these procedures, you may be able to join.
Nanjing, JiangsuAges 18–60 - NCT06082336Recruiting
A new rapid blood test for HIV, Hepatitis B, and Hepatitis C
This trial tests a new rapid blood test (called MaGIA IBC) that checks for HIV, Hepatitis B, and Hepatitis C all at once. It's for people who already know or might have one of these infections. Participating helps see if this test works well in real-world settings.
Marseille, FranceAges 18 years+ - NCT06082648Recruiting
Brain and bowel recovery after ultra-low rectal cancer surgery
This trial studies how a noninvasive brain stimulation technique (TMS) and brain scans (fMRI) might help improve bowel function and quality of life after surgery for ultra-low rectal tumors. It is for patients who have had a specific surgery (intersphincteric resection) and a temporary ileostomy.
ShanghaiAges 18–75 - NCT06083558Recruiting
Pain and nausea after gallbladder surgery
This study looks at pain and nausea in adults who had their first gallbladder surgery between 2016 and 2025. It uses a national registry to understand recovery and help improve care.
Sundsvall, XAges 18 years+ - NCT06083064Recruiting
Smarter imaging choices for suspected appendicitis
This trial tests whether using a step-by-step approach to decide which imaging test (CT scan or ultrasound) is best for people with suspected appendicitis, instead of routinely giving everyone a CT scan or ultrasound. It may help avoid unnecessary scans.
EspooAges 18 years+ - NCT06084299RecruitingPhase 1
Immune cell therapy for advanced liver cancer
This trial tests a new treatment using your own immune cells (tumor-infiltrating lymphocytes) to fight advanced liver cancer. It is for people whose cancer has progressed after at least two standard treatments and who have tumors that can be biopsied to grow these cells.
WuhanAges 18–70 - NCT06084572Recruiting
Study of pH-impedance tests for GERD diagnosis
This trial looks at how well a special test (pH-impedance) can diagnose GERD (acid reflux disease) when done correctly. It will use a new way to read the test results to see if it helps doctors classify GERD better.
AnderlechtAges 18–80 - NCT06084897RecruitingPhase 2
Radiotherapy for metastatic esophageal cancer responding to immunotherapy
This trial tests whether adding radiotherapy can help people with metastatic esophageal cancer that has already responded well to initial treatment with immunotherapy and chemotherapy. It may offer a way to improve outcomes for those whose cancer has not progressed after 2-4 cycles of first-line treatment.
Beijing, Beijing MunicipalityAges 18 years+ - NCT06085755RecruitingPhase 1/Phase 2
Combination drug therapy for HER2-low stomach cancer
This trial tests two targeted drugs, trastuzumab deruxtecan and afatinib, together for advanced stomach or gastroesophageal junction cancer that has low levels of the HER2 protein. The goal is to see if the combination shrinks tumors or slows cancer growth.
SeoulAges 19 years+ - NCT06086457RecruitingPhase 3
Immunotherapy plus chemo with or without radiation for esophageal cancer
This trial tests whether adding radiation therapy to a standard treatment (immunotherapy plus chemotherapy) can help people with advanced esophageal cancer that has spread to up to two organs. The goal is to see if the combination improves outcomes.
Beijing, Beijing MunicipalityAges 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.