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
- NCT06009744Recruiting
Vitamin C and zinc for treating bowel leaks
This trial tests whether high doses of vitamin C and zinc can help heal a type of bowel leak (enterocutaneous fistula) in people who need nutrition through a vein. It might help reduce the output from the fistula and speed up recovery.
Mexico City, Mexico CityAges 18–70 - NCT06010576Recruiting
Ultrasound-guided tube meeting vs. small cut for bile duct access
This trial compares two ways to get a tube into your bile duct when the usual method is difficult: one uses a special ultrasound-guided technique to meet the tube from a different angle, and the other uses a small cut to open the duct. It may help your doctor choose the safest and most effective approach for you.
Shatin, New TerritoriesAges 18 years+ - NCT06010862RecruitingPhase 1
CAR-T therapy for CEA-positive advanced cancers
This trial tests a new type of immune cell therapy (called CAR-T) that targets a protein called CEA on cancer cells. It is for people with advanced colorectal, esophageal, stomach, or pancreatic cancer who have already tried standard treatments without success.
Nanchang, JiangxiAges 18 years+ - NCT06014372RecruitingPhase 2
Envafolimab before surgery for advanced rectal cancer
This trial tests envalolimab (an immunotherapy) alone or with chemo (CAPEOX) before surgery for locally advanced rectal cancer. It aims to shrink the tumor and improve outcomes.
Guangzhou, GuangdongAges 18–75 - NCT06015022RecruitingPhase 2
Green tea extract to prevent liver cancer in cirrhosis
This trial tests whether a green tea extract called EGCG can prevent liver cancer in people with cirrhosis. It looks at how the extract affects liver cell changes that could lead to cancer.
Dallas, TexasAges 18 years+ - NCT06015620Recruiting
Health changes after mini gastric bypass surgery
This study looks at how mini gastric bypass surgery helps with obesity-related health problems and changes in body composition. It aims to see if patients experience improvements in conditions like diabetes or high blood pressure.
Bhubaneswar, OdishaAges 18–65 - NCT06017284RecruitingPhase 3
Thalidomide for nausea in pancreatic cancer patients
This trial tests whether adding thalidomide to standard chemotherapy can help reduce nausea and vomiting in people with advanced pancreatic cancer. It is for patients who have not yet received any cancer treatment.
Shanghai, Shanghai MunicipalityAges 18–80 - NCT06017583RecruitingPhase 3
Chemo plus immunotherapy and targeted radiation for advanced rectal cancer
This trial tests whether combining chemotherapy, immunotherapy (PD-1 inhibitor), and a precise type of radiation can help shrink locally advanced rectal cancer before surgery. It aims to improve treatment success and reduce side effects.
Nanning, GuangxiAges 18–70 - NCT06018961Recruiting
Study of bowel slowdown after digestive surgery
This study is looking at how common and severe a condition called 'postoperative ileus' (temporary slowdown of the bowel) is after planned digestive tract surgeries. It will help doctors better understand and manage this complication.
ToulouseAges 18 years+ - NCT06018714RecruitingPhase 2
Modified fruquintinib for colorectal cancer with liver metastases
This trial tests a modified version of the drug fruquintinib for people with colorectal cancer that has spread to the liver. It is for those who have had successful liver-directed treatment (surgery, ablation, or radiation) and have no signs of cancer left, then finished chemotherapy without the cancer growing back.
Guangzhou, GuangdongAges 18–75 - NCT06018896RecruitingPhase 2
Vitamin C for late-stage pancreatic cancer quality of life
This trial is testing if high-dose vitamin C can improve quality of life for people with advanced pancreatic cancer that has continued to grow after two previous treatments. It aims to see if vitamin C can help patients feel better and possibly slow the cancer.
Shanghai, Shanghai MunicipalityAges 18–80 - NCT06019455Recruiting
How patients participate in lung and esophageal cancer care
This study looks at how much patients with lung or esophageal cancer get involved in decisions about their care when they receive chemotherapy and radiation together. It aims to learn what helps or challenges patients in taking an active role.
GuangzhouAges 18–75 - NCT06019702RecruitingPhase 1
Personalized mRNA vaccine for advanced digestive cancers
This trial tests a personalized mRNA vaccine designed to target unique markers on your cancer cells. The vaccine is made just for you based on genetic testing of your tumor. It is for people with advanced digestive system cancers who have run out of standard options.
Hangzhou, ZhejiangAges 18–75 - NCT06022861RecruitingPhase 3
Study of LY01015 vs Opdivo with chemo for advanced esophageal cancer
This trial tests a new drug, LY01015, against Opdivo when both are given with chemotherapy for advanced or metastatic esophageal squamous cell carcinoma. It aims to see if LY01015 works as well as Opdivo and has similar safety.
GuangzhouAges 18–75 - NCT06023030Recruiting
Observing how upadacitinib works for Crohn's disease in Japan
This study is for people with moderate to severe Crohn's disease who are starting a medication called upadacitinib. Researchers will watch how the disease changes over time and check for any side effects. It's an observational study, meaning you'll keep getting your regular treatment.
Anjo-shi, Aichi-kenAges 15 years+ - NCT06023056Recruiting
Hepatitis B vaccine after newborn surgery
This trial tests whether giving the hepatitis B vaccine to full-term newborns who had multiple stomach or intestine surgeries is safe and works well. It aims to protect these babies from hepatitis B infection.
Chongqing, Chongqing MunicipalityAges Any age - NCT06023771Recruiting
Invasive treatments for complications of acute pancreatitis
This study tests if invasive procedures (like draining fluid or removing dead tissue) can help people with complications from acute pancreatitis that do not improve with medicines or other non-surgical care.
Beijing, Beijing MunicipalityAges Any age - NCT06024837Recruiting
Testing spectral CT for colorectal cancer spread to liver or belly
This study tests a new type of CT scan (spectral CT) to see how well it detects colorectal cancer that has spread to the liver or belly lining. It may help doctors better plan surgery to remove all the cancer.
Saint-EtienneAges Any age - NCT06026267Recruiting
Comparing two doses of albumin for cirrhosis patients with SBP
This trial tests whether a lower dose of albumin works as well as the standard dose for people with cirrhosis and a type of infection called spontaneous bacterial peritonitis (SBP). It aims to see if the low dose can protect kidney function while reducing side effects and costs.
New Delhi, National Capital Territory of DelhiAges 18–75 - NCT06026410RecruitingPhase 1
KO-2806 for advanced solid tumors
This trial tests a new drug called KO-2806, alone or with other treatments, for people with advanced solid tumors that have specific gene changes (like HRAS or KRAS mutations). It may help if standard treatments have stopped working.
Phoenix, ArizonaAges 18 years+ - NCT06026774RecruitingPhase 1
Personalized mRNA Vaccine After Digestive Cancer Surgery
This trial tests a personalized mRNA vaccine designed to train your immune system to fight your specific cancer. It's for people who have just had surgery to remove a digestive system cancer (like pancreatic or colorectal) and will also receive standard chemotherapy after surgery.
Hangzhou, ZhejiangAges 18–75 - NCT06026800RecruitingPhase 1
Personalized mRNA vaccine plus standard treatment for advanced digestive cancers
This trial tests a personalized mRNA vaccine (iNeo-Vac-R01) given alongside standard first-line treatment for advanced digestive system cancers. The vaccine is made specifically for your tumor's unique genetic changes (neoantigens) and aims to help your immune system fight the cancer more effectively.
Hangzhou, ZhejiangAges 18–75 - NCT06026943Recruiting
Alpha radiation therapy for locally advanced pancreatic cancer
This trial tests a new treatment that uses tiny alpha radiation sources placed directly into the tumor to destroy cancer cells. It is for people with pancreatic cancer that has not spread but cannot be removed surgically, and who have already tried at least one type of chemotherapy or cannot take more chemo.
VeronaAges 18–120 - NCT06027242Recruiting
Glutamine supplement after stomach cancer surgery
This trial tests if taking glutamine (a nutrient) as an oral supplement helps patients recover after surgery to remove stomach cancer. It aims to see if it improves healing and quality of life.
TaipeiAges 20 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.