Gastroenterology
Digestive system clinical trials
Conditions of the stomach, intestines, liver, and the rest of the digestive tract. We’re tracking 7,879 recruiting studies in this area right now.
By phase
- Not applicable4,911
- Phase 21,185
- Phase 1581
- Phase 3465
- Phase 1/Phase 2391
- Phase 4235
- Phase 2/Phase 3111
Top conditions
- Colorectal Cancer491
- Gastric Cancer296
- Pancreatic Cancer289
- 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
- Florida134
- Massachusetts128
- New York123
- Alabama122
- Maryland85
- Ohio79
- Pennsylvania72
Recruiting studies7,879 total
- NCT07268131Recruiting
TITAN-HCC: Testing immunotherapy plus TACE for liver cancer beyond standard criteria
This trial tests a combination of an immunotherapy drug (QL1706) and a liver-directed procedure (TACE) before and after surgery for people with liver cancer that is larger or more advanced than the usual transplant criteria. The goal is to see if this approach can help shrink the tumor and improve outcomes.
Shanghai, Shanghai MunicipalityAges 18–75 - NCT06663332RecruitingPhase 3
Long-term study of guselkumab in children who previously took it
This study is a long-term follow-up for children who have already finished an earlier study of guselkumab, a medicine for skin conditions like psoriasis. It looks at whether staying on the medicine continues to be safe and helpful over time.
Atlanta, GeorgiaAges 3 years+ - NCT00242723Recruiting
Looking at cell changes in lung, esophagus, and chest cancers
This study collects blood, urine, and tissue samples from people with lung, esophageal, or other chest cancers to look at cell changes. It does not test a new treatment—instead, it aims to better understand these cancers through research.
Bethesda, MarylandAges 2–120 - NCT07013916Recruiting
Fructose and liver health in fatty liver disease
This study looks at how a sugar called fructose affects inflammation and metabolism in people with a type of fatty liver disease called MASH. It aims to find out if fructose plays a role in making the disease worse.
LondonAges 45–65 - NCT06411691RecruitingPhase 1
Vaccine plus immunotherapy for KRAS-mutant cancers
This trial tests a cancer vaccine designed to target KRAS-mutated tumors, combined with two immunotherapy drugs, for people with advanced colorectal or pancreatic cancer. It may help the immune system recognize and attack cancer cells.
Baltimore, MarylandAges 18 years+ - NCT06374875RecruitingPhase 4
Does metabolic surgery reduce liver scarring?
This study tests if weight loss surgery can improve liver fibrosis (scarring) in people with obesity and advanced liver disease. It may help those considering surgery to know if their liver health can get better.
Phoenix, ArizonaAges 18–75 - NCT06560463Recruiting
CGM and glucose test for cystic fibrosis related diabetes
This study tests if a continuous glucose monitor (CGM) along with a standard glucose drink test can better detect diabetes in people with cystic fibrosis. It is for adults who do not yet have diabetes and are generally healthy.
Milwaukee, WisconsinAges 18 years+ - NCT07419841RecruitingPhase 1
A study of CTX-10726 for certain advanced cancers
This trial tests a new drug called CTX-10726 in people with advanced kidney, liver, stomach, or uterine cancer that has not responded to standard treatments. The goal is to see if the drug is safe and tolerable.
Omaha, NebraskaAges 18 years+ - NCT05759923RecruitingPhase 1
Study of OATD-02 for hard-to-treat solid tumors
This early (first-in-human) study tests whether OATD-02 is safe and tolerable, and whether it shows any anti-cancer activity. It is for adults with certain advanced or metastatic cancers that have already been treated with the standard options.
Bydgoszcz, Kuyavian-Pomeranian VoivodeshipAges 18 years+ - NCT07302360Recruiting
Guselkumab for ulcerative colitis in Chinese patients
This study tracks how well guselkumab (Tremfya) works in real-world Chinese patients with moderate to severe ulcerative colitis who haven't tried advanced therapies before. It helps doctors understand how the drug performs outside of controlled trials.
BeijingAges 18 years+ - NCT07737171Recruiting
EUS-guided radiofrequency ablation for pancreatic lesions
This study tests how safe and effective endoscopic ultrasound-guided radiofrequency ablation (EUS-RFA) is for treating pancreatic growths that might become cancer or already are cancer. It is for people who are already scheduled to have this procedure as part of their care.
Houston, TexasAges 18 years+ - NCT07736495RecruitingPhase 2/Phase 3
Alpha-lipoic acid for chemo mouth sores in colorectal cancer
This trial tests if a supplement called alpha-lipoic acid (ALA) can protect against painful mouth sores caused by chemotherapy (FOLFOX-6) in people with colorectal cancer. If you are starting FOLFOX-6 for the first time for colorectal cancer, this study may help reduce treatment side effects.
CairoAges 18 years+ - NCT04657068RecruitingPhase 1/Phase 2
Study of ART0380 for advanced solid tumors
This study tests a new drug called ART0380 for people with advanced solid tumors that have not responded to standard treatments. It may be especially helpful for those with certain DNA repair gene changes (like ATM or BRCA). The drug will be given alone or with chemotherapy (gemcitabine or irinotecan) depending on the part of the trial.
Birmingham, AlabamaAges 18 years+ - NCT07737340Recruiting
Metabolic liver disease in new HIV patients
This study looks at liver health in people newly diagnosed with HIV, before they start HIV treatment. It aims to understand early changes in the liver related to metabolism.
Ankara, AnkaraAges 18 years+ - NCT07730970Recruiting
Deep muscle relaxation and diet for vNOTES hysterectomy
This study tests whether deep muscle relaxation and a special low-residue diet improve the surgical view during vNOTES hysterectomy for non-cancer conditions. It aims to make the procedure safer and easier for the surgeon.
Istanbul, KARTALAges 18 years+ - NCT07712107Recruiting
Gastrointestinal Cancer Screening Study Using Combined Detection
This study tests a new way to screen for stomach and digestive cancers using a combination of tests. It compares different screening plans to see which works best for people in their middle years.
Zhaoqing, GuangdongAges 45–74 - NCT07738094Recruiting
Cold and NSAID therapy to prevent post-ERCP pancreatitis
This trial tests if applying cold therapy or giving an NSAID (anti-inflammatory medication) before an ERCP can prevent pancreatitis, a common complication. It is for adults having their first ERCP.
São Paulo, São PauloAges 18 years+ - NCT06252649RecruitingPhase 3
Study of new drug combo for KRAS G12C colorectal cancer
This trial tests a new combination of drugs (sotorasib, panitumumab, and FOLFIRI) against the standard treatment for colorectal cancer that has spread. It's for people whose tumor has a specific KRAS G12C mutation and who have not had chemotherapy before for advanced disease.
Chandler, ArizonaAges 18 years+ - NCT04634643Recruiting
Studies what causes fatty liver in teens
This study looks at why “nonalcoholic fatty liver disease” happens in teenagers and how it develops. It may help doctors better predict and prevent liver problems in children, even if there isn’t a new drug for you to take.
New Haven, ConnecticutAges 12–18 - NCT07492680RecruitingPhase 2
Study of BMS-986504 for solid tumors with MTAP deletion
This trial tests an experimental drug called BMS-986504, given alone or with other drugs, for people with advanced solid tumors that have a specific genetic change called a homozygous MTAP deletion. It may be an option if standard treatments are no longer working or aren't available.
San Francisco, CaliforniaAges 18 years+ - NCT04627818Recruiting
Study of reproductive health in women with a uterus variant
This study looks at reproductive health in women who have a specific type of uterus variation. It may help doctors understand diagnosis and treatment options and how these conditions affect fertility and daily health.
GhentAges Up to 45 years - NCT07169123Recruiting
Salt and inflammation in Crohn's disease study
This study looks at how salt affects inflammation in people with Crohn's disease. You will have blood and urine tests to measure how your body handles sodium and inflammation.
Hamilton, OntarioAges 18–70 - NCT07643285Recruiting
Faster Recovery After Laparoscopic Appendix Surgery in Kids
This study tests a new recovery plan designed to help children go home faster and feel better sooner after laparoscopic appendix surgery (a minimally invasive operation). The plan focuses on early movement, eating, and pain control without heavy pain medications.
Kayseri, KayseriAges 5–18 - NCT07636382Recruiting
Radiation to relieve cancer-related belly pain from celiac plexus involvement
This trial tests a focused radiation treatment called stereotactic body radiotherapy (SBRT) to target pain from cancer affecting the celiac plexus—a bundle of nerves in the upper abdomen. The goal is to relieve severe, persistent pain without surgery.
Toronto, OntarioAges 18 years+
Common questions
- How many digestive system clinical trials are recruiting?
- Clin2 is tracking 7,879 recruiting gastroenterology studies from the U.S. registry right now, out of 12,372 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.