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
- NCT06397222RecruitingPhase 2
Combination therapy for advanced liver cancer
This trial tests a combination of three treatments: an immunotherapy drug (Sintilimab), a targeted therapy (Bevacizumab), and a type of internal radiation (SIRT) for people with intermediate or advanced liver cancer that cannot be surgically removed. The goal is to see if this combination can shrink tumors and improve outcomes.
Guangzhou, GuangdongAges 18–75 - NCT06397235RecruitingPhase 2
Combination therapy for large liver cancer tumors
This trial tests whether a combination of two treatments—chemoembolization (DEB-TACE) plus chemotherapy given through the liver artery (RALOX-HAIC)—works better than chemoembolization alone for people with large liver cancer tumors (over 7 cm). The goal is to see if the combination shrinks tumors more effectively.
Guangzhou, GuangdongAges 18–75 - NCT06397859Recruiting
Long-term bulevirtide for hepatitis D with compensated cirrhosis
This study looks at how well the drug bulevirtide (BLV) works over a long period for people with hepatitis D (HDV) and liver scarring that is still under control (compensated cirrhosis). It may help you if you have been taking BLV alone and want to see how your liver and health have been doing.
MilanAges 18 years+ - NCT06398028RecruitingPhase 4
ICG dye before minimally invasive liver surgery
This study tests whether giving a special dye (ICG) before minimally invasive liver surgery helps surgeons see tumors more clearly compared to using ultrasound alone. It’s for people who are already scheduled for keyhole liver surgery.
BarcelonaAges 18 years+ - NCT06398314Recruiting
Palliative radiation for pelvic tumor symptoms
This trial tests a type of radiation to help relieve symptoms like pain, bleeding, or other discomfort from tumors in the pelvic area. It is for people whose cancer has spread or cannot be cured, and who are not able to have stronger treatments.
ÅlesundAges 18 years+ - NCT06400771RecruitingPhase 1
Safety of DNP007 in Healthy Volunteers
This study tests the safety of a new drug called DNP007 in healthy volunteers. It is a Phase 1 trial, meaning it's one of the first steps in humans to see if the drug is safe and how the body handles it.
SeoulAges 19–55 - NCT06401577Recruiting
Acute pancreatitis and diabetes risk study
This study looks at how acute pancreatitis affects blood sugar and the risk of developing diabetes. You'll wear a continuous glucose monitor (CGM) sensor and have metabolic tests to track changes over time.
Los Angeles, CaliforniaAges 18–75 - NCT06401811Recruiting
Turkish swallowing questionnaire study for Sjögren's syndrome
This study tests a Turkish version of a swallowing questionnaire (EAT-10) to see if it is reliable and accurate for people with primary Sjögren's syndrome. Taking part could help doctors better understand and track swallowing problems in this condition.
AnkaraAges 18 years+ - NCT06402188Recruiting
ColoSeal Device Study for Rectal Cancer Surgery
This study tests a new device called the ColoSeal ICD System that may help protect the reconnection of your bowel after surgery for rectosigmoid or rectal cancer. It is designed for people who are already scheduled for surgery that includes a temporary colostomy or ileostomy.
YerevanAges 18–70 - NCT06403163Recruiting
Transfusion monitoring during anesthesia
This trial looks at patients who received a drug or product to help with bleeding (hemostasis) during anesthesia. It aims to understand how these products are used and if they are safe.
AnderlechtAges Any age - NCT06403540Recruiting
Pain relief after belly surgery and diaphragm function
This study looks at how different pain relief methods after major abdominal surgery affect the diaphragm, a muscle that helps you breathe. It may help doctors choose the best way to manage pain while protecting your breathing.
IstanbulAges 18 years+ - NCT06403735RecruitingPhase 1
Study of QLC1101 for advanced solid tumors with KRAS G12D mutation
This trial tests a new drug, QLC1101, for people with advanced solid tumors that have a specific genetic change called KRAS G12D. It may be an option if you have tried other treatments or cannot take them.
Guangzhou, GuangdongAges 18 years+ - NCT06403878RecruitingPhase 2
Chemo-immunotherapy before surgery for older adults with esophageal cancer
This trial tests whether giving chemotherapy and immunotherapy before surgery is safe and effective for older adults (70+) with a certain type of esophageal cancer. It aims to find a treatment approach that works well for patients who haven't had cancer treatment before.
ChengduAges 70–100 - NCT06405139RecruitingPhase 2
Chemo combo (nanoliposomal irinotecan, oxaliplatin, capecitabine) before surgery for locally advanced colorectal cancer
This trial tests a combination of three chemotherapy drugs (nanoliposomal irinotecan, oxaliplatin, and capecitabine) given before surgery to shrink locally advanced colorectal cancer that cannot be treated with radiation. The goal is to make the tumor removable with a better chance of complete removal (R0 resection).
BeijingAges 18–70 - NCT06405087RecruitingPhase 3
Long-term study of vedolizumab for children with IBD
This study is for children and teenagers with ulcerative colitis or Crohn's disease who have already completed a previous vedolizumab study and are doing well. It will look at the long-term safety and effectiveness of continuing vedolizumab treatment.
Phoenix, ArizonaAges 2–17 - NCT06405113RecruitingPhase 2
Fecal transplant, chemo, and immunotherapy for advanced stomach cancer
This trial tests a combination of fecal microbiota transplant (FMT), chemotherapy (SOX), and an immunotherapy drug (Sintilimab) as a first treatment for advanced stomach or gastroesophageal junction cancer that cannot be removed by surgery. The goal is to see if this combination can shrink tumors and improve outcomes.
ChangzhouAges 18–80 - NCT06405412Recruiting
Malnutrition's effects on breathing and kidneys after POEM
This trial studies how malnutrition affects breathing and kidney function in people with achalasia who undergo a procedure called POEM to help with swallowing. It may help doctors better care for patients before and after the procedure.
IstanbulAges 18–80 - NCT06405321Recruiting
Initial therapy before surgery for liver cancer
This trial looks at how well certain initial treatments (like targeted therapy, immunotherapy, or liver-directed procedures) work in people with liver cancer who have not had surgery yet. It aims to see if these treatments can shrink the tumor enough to allow removal later.
Nanning, ChinaAges 18–75 - NCT06405776Recruiting
Lidocaine for pain and survival after bowel surgery in older adults
This study tests whether a drug called lidocaine, given during surgery, can help control pain after colon or rectal surgery and possibly improve long-term survival in older adults. The goal is to see if lidocaine offers better pain relief and recovery compared to standard care.
SichuanAges 60 years+ - NCT06406244Recruiting
TEAS for chronic pain after liver surgery
This trial tests whether a gentle, needle-free electrical stimulation on certain points on the body (called TEAS) can help reduce chronic pain after liver surgery and improve long-term survival. It may be a good option if you are scheduled for a liver removal and want to explore non-drug pain relief.
ChengduAges 18–80 - NCT06406634RecruitingPhase 2
Cadonilimab, Lenvatinib, and HAIC for Unresectable Liver Cancer
This trial tests a combination of three treatments for advanced liver cancer that can't be removed by surgery. It uses an immunotherapy drug (cadonilimab), a targeted therapy pill (lenvatinib), and a direct chemotherapy infusion into the liver (HAIC). The goal is to see if this combo can shrink tumors and improve outcomes.
Changsha, HunanAges 18–75 - NCT06408116RecruitingPhase 2
FAPI-PET Scan for Esophageal Cancer Surgery Planning
This trial tests whether a special PET scan called FAPI-PET can better show the edges of esophageal tumors before surgery. It may help doctors plan more precise surgery.
HeidelbergAges 18 years+ - NCT06407518Recruiting
Preoperative medicine for pain relief in colorectal cancer patients with sleep or anxiety issues
This trial tests whether taking a medicine called midazolam before surgery can help with pain after surgery in people with colorectal cancer who have trouble sleeping or feel anxious. You would receive the medicine as a drink before your operation.
Guangzhou, GuangdongAges 18–60 - NCT06408220Recruiting
Stomach cancer risk check for minority groups
This study checks if you are at high risk for stomach cancer. You will give blood samples and have a stomach exam (endoscopy) to look for early signs.
Duarte, CaliforniaAges 40–80
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.