Gastroenterology
Digestive system clinical trials
Conditions of the stomach, intestines, liver, and the rest of the digestive tract. We’re tracking 7,599 recruiting studies in this area right now.
By phase
- Not applicable4,683
- Phase 21,187
- Phase 1568
- Phase 3457
- Phase 1/Phase 2366
- Phase 4228
- Phase 2/Phase 3110
Top conditions
- Colorectal Cancer478
- Pancreatic Cancer287
- Gastric Cancer283
- Hepatocellular Carcinoma256
- Esophageal Cancer189
- Rectal Cancer168
- Breast Cancer146
- Crohn Disease134
- Ulcerative Colitis129
- Colon Cancer114
- Hepatocellular Carcinoma (HCC)112
- Liver Cancer99
- Lung Cancer95
- Inflammatory Bowel Diseases94
- Pancreas Cancer91
- Ovarian Cancer89
- Esophageal Squamous Cell Carcinoma86
- Cystic Fibrosis77
Leading sponsors
- Fudan University101
- Sun Yat-sen University85
- Mayo Clinic75
- Second Affiliated Hospital, Zhejiang University, School of Medicine56
- Chinese University of Hong Kong55
- M.D. Anderson Cancer Center55
- Assistance Publique - Hôpitaux de Paris53
- Sixth Affiliated Hospital, Sun Yat-sen University51
- National Cancer Institute (NCI)49
- National Taiwan University Hospital45
Where studies are running
- California438
- Arizona189
- Texas140
- Alabama129
- Florida128
- New York120
- Massachusetts119
- Maryland88
- Ohio79
- Illinois69
Recruiting studies7,599 total
- NCT07342101Recruiting
Studying LGG for acute diarrhea in children
This trial tests whether a probiotic called LGG (a type of good bacteria) helps children with sudden diarrhea from an infection feel better faster. It is for children who have had diarrhea for less than 48 hours and have not taken probiotics or antibiotics recently.
EskişehirAges 2–10 - NCT07343037Recruiting
Diagnosing overactive immune response in ICU patients
This study is looking at patients who were in the intensive care unit and showed signs of a condition called HLH, where the immune system becomes overactive. Researchers want to understand how these signs were diagnosed and managed in the ICU.
StrasbourgAges 18 years+ - NCT07342920Recruiting
Smoking and vaping in adults with cystic fibrosis
This study looks at how many adults with cystic fibrosis smoke or vape (use e-cigarettes). It aims to understand how common these habits are in this group.
StrasbourgAges 18 years+ - NCT07338565Recruiting
Magnesium study for gut conditions
This trial looks at magnesium levels in people with inflammatory bowel disease, an ileostomy, or bile acid diarrhea, compared to healthy volunteers. It aims to understand how these conditions affect magnesium in the body.
Aarhus NAges 18 years+ - NCT06701968Recruiting
Healthy Nordic diet for heart artery health after heart attack
This study tests whether a healthy Nordic diet (like whole grains, berries, fish, and vegetables) can slow down hardening of the arteries in people who have had a heart attack or have stable chest pain. It lasts 18 months and aims to improve heart health.
UppsalaAges 50–80 - NCT06778031RecruitingPhase 2
Study of SHR-A1811 for HER2-positive bile duct cancer
This trial tests a new drug, SHR-A1811, for people with HER2-positive bile duct cancer that has spread or cannot be removed by surgery. It may help control the cancer if you haven't had other treatments for this stage.
Harbin, HeilongjiangAges 18–75 - NCT06862843Recruiting
Family eating habits and chronic inflammation study
This study looks at how eating habits and family health history relate to chronic inflammatory conditions like Crohn's disease, ulcerative colitis, and juvenile idiopathic arthritis. It aims to understand these links by studying families with a child or adult affected by these conditions, as well as healthy families.
Florence, ItalyAges Any age - NCT06861114Recruiting
Urine test to detect liver cancer return after surgery
This study tests if a simple urine test can help find early signs of liver cancer coming back after surgery. Patients with early-stage liver cancer who have surgery may join to help improve follow-up care.
Guangzhou, GuangdongAges 18–75 - NCT06860919Recruiting
Transition care for young adults with esophageal atresia
This trial studies a special follow-up program for young adults born with a connection problem in their esophagus (the tube that carries food). The goal is to see if a transitional consultation helps manage long-term health needs.
ParisAges 18–30 - NCT05190718Recruiting
Pharyngeal electrical stimulation for swallowing trouble after brain injury
This trial tests a non-drug therapy that uses gentle electrical stimulation to help people swallow safely when swallowing is affected by certain brain or nerve conditions. If you qualify, you may receive this approach to improve swallowing and reduce choking risk.
Tulln, Low AustriaAges 18 years+ - NCT05782010Recruiting
Testing a hemorrhoid device for grade II or III hemorrhoids
This study tests how safe and well a hemorrhoid treatment device (PexyEazy®) works for adults with moderate-to-severe hemorrhoids (grade II–III). You may be a candidate if you fit the hemorrhoid grade and medical safety requirements and can follow the study plan.
FrölundaAges 18–84 - NCT05938166Recruiting
Training foreign caregivers with an augmented reality system
This study tests whether an augmented reality (AR) training system can help foreign care workers learn how to provide care. It involves Indonesian caregivers training for caring for older adults in Kaohsiung, with tests based on the older adult’s ability to follow instructions.
Kaohsiung City, Sanmin DistAges 21–65 - NCT06669663Recruiting
Hypoxia and metabolism in esophageal and stomach cancer
This trial looks at how low oxygen levels (hypoxia) affect the metabolism of esophageal and stomach cancers. It may help doctors understand why some cancers grow or resist treatment, possibly leading to better therapies.
LondonAges 18–90 - NCT06791408Recruiting
AI-assisted endocytoscopy for small colorectal polyps
This trial uses artificial intelligence to help doctors look at small growths in the colon or rectum. It aims to see if the AI can accurately tell what they are while you are still undergoing the procedure.
Changchun, JilinAges Any age - NCT07329036Recruiting
Liver support therapy for acute liver failure
This trial tests two different blood-filtering treatments for people with severe liver failure who are waiting for or unable to receive a liver transplant. It aims to see how these treatments affect blood clotting, inflammation, and organ function.
PragueAges 18–75 - NCT07331857Recruiting
Testing a new device for esophagus treatment
This study tests a new device (Digma System) for treating Barrett's esophagus and other esophageal conditions. It involves a short procedure during an endoscopy or surgery to remove abnormal tissue.
BrnoAges 18–70 - NCT07334119RecruitingPhase 1
Testing MT-304 for advanced HER2-positive tumors
This trial tests a new drug, MT-304, for people with advanced cancers that have high levels of a protein called HER2. It aims to see if the drug is safe and helps shrink tumors.
Darlinghurst, New South WalesAges 18 years+ - NCT07328087RecruitingEarly Phase 1
Personalized colon cancer vaccine trial for MSS stage 3 patients
This trial tests a custom-made vaccine designed from your tumor's genetic material. The vaccine is given alongside standard chemotherapy and an immunotherapy drug to try to prevent the cancer from coming back. It is for people with stage 3 colorectal cancer that has been fully removed by surgery and has certain high-risk features.
ThessalonikiAges Any age - NCT07327034RecruitingPhase 2
ABSK-011 with standard care for advanced liver cancer
This trial tests a new drug, ABSK-011, combined with standard care, against a placebo with standard care for people with advanced liver cancer that has a specific marker called FGF19 overexpression. The goal is to see if ABSK-011 can help slow the disease.
Hefei, AnhuiAges 18 years+ - NCT07327229RecruitingPhase 1/Phase 2
Study of ATG-022 plus pembrolizumab for stomach or GEJ cancer
This trial tests a new drug combo (ATG-022 plus pembrolizumab, with or without chemo) for people with advanced stomach or gastroesophageal junction cancer that has a specific protein (CLDN 18.2) and is HER2-negative and PD-L1-positive. It may be an option if you have not had certain prior treatments.
Hefei, AnhuiAges 18 years+ - NCT07327489Recruiting
Live tumor biopsy study to predict immunotherapy response
This trial studies how well immunotherapy might work by analyzing fresh tumor biopsies. It may help predict which treatments are best for your cancer.
Fort Smith, ArkansasAges 18 years+ - NCT07325526RecruitingPhase 2
Testing an experimental drug for liver cirrhosis caused by MASH
This study tests an investigational medicine (BI 3802876) in people with early-stage liver cirrhosis due to MASH. The goal is to see if it is well tolerated and potentially helpful.
Chandler, ArizonaAges 18–75 - NCT06864195Recruiting
Breath test for liver cancer detection
This study tests a simple breath test to detect liver cancer and monitor liver health. It is looking for patients with liver cancer, liver cirrhosis, primary sclerosing cholangitis, or people with normal livers to see if the breath test can help tell the difference.
LondonAges 18 years+ - NCT07330830Recruiting
Genetics and fatty liver disease in Caribbean and Indian Ocean populations
This study looks at how a specific gene (PNPLA3) might affect non-alcoholic fatty liver disease (MASLD) in people from Guadeloupe, French Guiana, and Réunion Island. It aims to understand genetic differences that could explain why some people get the disease.
CayenneAges 18 years+
Common questions
- How many digestive system clinical trials are recruiting?
- Clin2 is tracking 7,599 recruiting gastroenterology studies from the U.S. registry right now, out of 11,991 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.