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
- NCT06595160Recruiting
Diet and gut bacteria in pancreatic cancer treatment
This study looks at how diet and the bacteria in your gut might affect how well chemotherapy works for pancreatic cancer that can be surgically removed. If you have been newly diagnosed with this type of pancreatic cancer, you may be able to join.
Atlanta, GeorgiaAges 18 years+ - NCT06595420Recruiting
Kidney health in people with cystic fibrosis on new treatments
This study looks at how the kidneys work in people with cystic fibrosis, especially those taking highly effective new treatments. It aims to understand kidney function in different groups, including those who are hospitalized frequently or rarely.
Birmingham, AlabamaAges 7 years+ - NCT06595719Recruiting
Probiotics plus standard care for mild to moderate UC
This trial tests whether adding a multi-strain probiotic supplement to your usual care can help manage mild to moderate ulcerative colitis (UC). It lasts 12 weeks and requires you to stay on your current medications without changes.
Cheras, Kuala LumpurAges 18–90 - NCT06596109Recruiting
Honey and lifestyle for fatty liver
This study tests if adding honey to your daily routine helps improve fatty liver in people with obesity. It may offer a simple way to support liver health alongside lifestyle changes.
Dokki, Giza GovernorateAges 30–50 - NCT06596694RecruitingPhase 1/Phase 2
Patritumab deruxtecan for advanced gastrointestinal cancers
This trial tests a new drug (patritumab deruxtecan) for people with advanced or spreading cancers of the digestive system (including colorectal, bile duct, liver, and stomach/esophageal cancers). The goal is to see if it can shrink tumors or stop them from growing.
Santa Monica, CaliforniaAges 18 years+ - NCT06597240Recruiting
Home monitoring during chemoradiation for esophageal cancer
This study tests whether monitoring your health at home during chemoradiation for esophageal cancer can improve care and outcomes. You'll measure things like temperature and symptoms, and share them with your care team.
GroningenAges 18 years+ - NCT06597526Recruiting
PET/CT scanning to guide treatment for stomach cancer with abdominal spread
This trial uses two types of PET/CT scans (FDG and FAPI) to see how well chemotherapy or other treatments work before surgery for stomach cancer that has spread to the lining of the abdomen. The goal is to find the best way to measure treatment response and help guide your care.
Shanghai, Shanghai MunicipalityAges 18 years+ - NCT06598007RecruitingPhase 1/Phase 2
Studying CT3001 for advanced solid tumors
This study tests an experimental drug called CT3001 for people with advanced solid tumors that haven't responded to other treatments. The goal is to see if it's safe and effective, and for some patients with colorectal cancer, it may be combined with standard chemotherapy.
Houston, TexasAges 18 years+ - NCT06598033RecruitingPhase 2/Phase 3
Vitamin C and Cordyceps for quality of life in advanced pancreatic cancer
This trial tests whether a combination of high-dose vitamin C and cordyceps (a type of fungus used in traditional medicine) can improve quality of life for people with late-stage pancreatic cancer that has progressed after two prior treatments. It looks at how these supplements affect your well-being and daily living.
ShanghaiAges 18–80 - NCT06598943RecruitingPhase 2
Study of two new drugs for ulcerative colitis
This study tests two experimental drugs, Eltrekibart and Mirikizumab, for adults with moderate to severe ulcerative colitis who have not responded well to other treatments. The goal is to see if these drugs can help control the disease.
Chandler, ArizonaAges 18–75 - NCT06599021Recruiting
Swallowing problems in older adults: a study
This study is looking at swallowing difficulties in people over 60. If you have trouble swallowing, you may be invited to try a simple exercise to help. The study first checks how common these problems are and how serious they are.
GothenburgAges 18 years+ - NCT06599346Recruiting
MSC supernatant for skin and mouth sores in blood cancer patients
This trial tests whether a liquid made from stem cells (MSC supernatant) can help prevent or treat mouth, skin, and bladder sores that often happen after stem cell transplants, chemotherapy, or radiation therapy.
Chengdu, SichuanAges 18 years+ - NCT06599658RecruitingPhase 2
COVID-19 booster and flu vaccine timing for people with weak immune systems
This study tests the best timing for a COVID-19 booster and flu shot in people with weakened immune systems, such as organ transplant recipients, people living with HIV, or those with certain autoimmune conditions. It aims to help patients get better protection from both vaccines.
Montreal, QuebecAges 18 years+ - NCT06599918RecruitingPhase 2
Nicotinamide for liver scarring in fatty liver disease
This study tests whether nicotinamide (a form of vitamin B3) can help reduce liver scarring in people with nonalcoholic fatty liver disease. You may qualify if you have moderate to severe liver scarring and are between 18 and 85 years old.
BarcelonaAges 18–85 - NCT06599892Recruiting
Cystic fibrosis care with highly effective modulators
This study looks at how cystic fibrosis care is organized when patients take highly effective CFTR modulator drugs. It aims to understand if care needs change for those on modulators compared to those who cannot take them.
LyonAges 6 years+ - NCT06600321RecruitingPhase 1
Study of ALN-BCAT for liver cancer
This trial tests a new drug called ALN-BCAT for people with advanced liver cancer (hepatocellular carcinoma) that has a specific genetic change. If you have already tried at least one treatment, this study may be an option for you.
Phoenix, ArizonaAges 18 years+ - NCT04509050Recruiting
Testing a highly effective CF medicine in young children
This study looks at how well a highly effective cystic fibrosis (CF) medicine works in infants and young children, and what biological changes it causes. It may help families understand whether the medicine improves CF function and related measures early in life.
Birmingham, AlabamaAges Up to 10 years - NCT07691125RecruitingPhase 4
Growth hormone for adults with short bowel syndrome
This trial tests whether a growth hormone injection (Saizeng®) can help adults with short bowel syndrome. The goal is to see if it improves how your body absorbs nutrients and fluids.
Xiamen, FujianAges 18 years+ - NCT05548283RecruitingPhase 4
Standard IV antibiotic timing for cystic fibrosis lung flare-ups
This study standardizes how IV aminoglycoside antibiotics are given during a 14-day treatment for cystic fibrosis (CF) lung flare-ups. It may help make treatment more consistent and easier to manage for people who need IV antibiotics.
Birmingham, AlabamaAges 6 years+ - NCT07689851RecruitingPhase 2
Chemoradiotherapy plus an immunotherapy for advanced gastric cancer
This trial studies a new immunotherapy drug (SHR-1701) combined with standard chemoradiotherapy for people with advanced stomach or esophagus cancer that cannot be surgically removed. The goal is to see if adding this immune treatment helps control the tumor better than standard treatments alone.
Shenzhen, GuangdongAges 18–75 - NCT07529808RecruitingPhase 1/Phase 2
New Drug BHB810 for Advanced Stomach Cancer
This trial tests a new drug called BHB810 for gastric (stomach) and gastroesophageal junction cancer that has stopped responding to standard treatments or has no standard options available. The drug targets a protein called CDH17 found on cancer cells and may help slow or shrink the tumor.
Fairfax, VirginiaAges 18 years+ - NCT05287126RecruitingPhase 2
Etrasimod for teens with active ulcerative colitis
This trial tests whether etrasimod can improve ulcerative colitis (UC) symptoms in adolescents with moderate to severe, active disease. It may help reduce inflammation and disease activity, especially if current treatments aren’t working well enough.
Little Rock, ArkansasAges 12–17 - NCT07691138RecruitingPhase 4
Stopping acid-reducing pills in stable IBD
This study tests whether it is safe to stop taking acid-reducing pills (PPIs) for people with inactive IBD. If you have been on a PPI for over 6 months and your IBD is stable, you may be able to join.
NottinghamAges 16 years+ - NCT07282353RecruitingPhase 3
Study of CS0159 for primary biliary cholangitis with poor UDCA response
This trial tests an experimental drug (CS0159) for people with primary biliary cholangitis (PBC) who either didn't respond well to or couldn't take the standard treatment UDCA. It aims to improve liver function and reduce symptoms.
Hefei, AnhuiAges 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.