Gastroenterology
Digestive system clinical trials
Conditions of the stomach, intestines, liver, and the rest of the digestive tract. We’re tracking 7,916 recruiting studies in this area right now.
By phase
- Not applicable4,936
- Phase 21,188
- Phase 1583
- Phase 3465
- Phase 1/Phase 2396
- Phase 4237
- Phase 2/Phase 3111
Top conditions
- Colorectal Cancer493
- Gastric Cancer298
- Pancreatic Cancer292
- Hepatocellular Carcinoma284
- Esophageal Cancer191
- Rectal Cancer176
- Breast Cancer148
- Crohn Disease144
- Ulcerative Colitis140
- Colon Cancer115
- Inflammatory Bowel Diseases108
- Hepatocellular Carcinoma (HCC)107
- Liver Cancer101
- Lung Cancer99
- Pancreas Cancer94
- Esophageal Squamous Cell Carcinoma89
- Ovarian Cancer88
- Cystic Fibrosis78
Leading sponsors
- Fudan University104
- Sun Yat-sen University91
- 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
- Arizona174
- Texas148
- Florida135
- Massachusetts127
- Alabama123
- New York123
- Maryland87
- Ohio80
- Pennsylvania72
Recruiting studies7,916 total
- NCT07437768Enrolling by invitation
Vonoprazan test for acid reflux that doesn't respond to standard medicine
This trial tests a medicine called vonoprazan for people whose acid reflux symptoms (like heartburn or coughing) don't get better with usual treatment. It aims to see if vonoprazan can help control those symptoms.
New Taipei City, TaiwanAges 20–75 - NCT07436910Enrolling by invitation
Quality of life in inflammatory bowel disease
This study asks people with inflammatory bowel disease to fill out questionnaires about their quality of life. It aims to learn how the condition affects daily living and well-being.
CairoAges 18 years+ - NCT07429760Enrolling by invitation
Bowel prep with or without antibiotics for left-sided colon surgery
This study compares two ways to prepare for left-sided colorectal cancer surgery: cleaning the bowel with liquid alone, or cleaning the bowel plus taking oral antibiotics beforehand. The goal is to see if adding antibiotics reduces infections after surgery.
Lahore, Punjab ProvinceAges 18–60 - NCT07424898Enrolling by invitation
Lactose Intolerance and Gut Health Study
This study looks at how lactose intolerance is linked to gut health. It is for adults with ongoing digestive issues like bloating, pain, or diarrhea, to see if their gut lining may be more sensitive.
IstanbulAges 18–70 - NCT07417267Enrolling by invitation
Clean Air Study for Lung Health in CF or PCD
This study tests whether using air cleaners in your home can improve lung health for people with cystic fibrosis (CF) or primary ciliary dyskinesia (PCD). It takes place in Cyprus and requires you to stay at home most days.
Nicosia, AglantziaAges 6 years+ - NCT07405099Enrolling by invitation
Pancreas surgery risks in kidney failure patients
This study looks at the risks of pancreas surgery in people with end-stage kidney disease (kidney failure). It aims to help doctors understand how safe these surgeries are for patients on dialysis or with kidney problems.
Ages 20–75 - NCT07395505Enrolling by invitation
Surgery for advanced rectal or anal cancer
This trial studies the results of a major surgery called pelvic exenteration for patients with advanced rectal or anal cancer that has spread to nearby tissues or bones but not to distant organs. The goal is to see how well the surgery works and how patients recover afterward.
TaoyuanAges 20 years+ - NCT07395219Enrolling by invitation
Registry for patients having TIF2.0 or cTIF procedure
This registry gathers information on patients who undergo TIF2.0 or cTIF procedures to treat gastroesophageal reflux disease (GERD). By joining, you help doctors learn more about these procedures and their outcomes.
ViennaAges 18 years+ - NCT07381985Enrolling by invitation
Managing hereditary cancer risk in rural areas
This study tests a way to help people with inherited cancer gene mutations manage their health, especially if they live in rural areas. You join if you found out about the mutation more than a year ago.
Burlington, VermontAges 18 years+ - NCT07380867Enrolling by invitation
New marker test for marking colon tumors before surgery
This trial tests a new marker that glows under special light to help doctors see exactly where a colon tumor is during surgery. It may help make the surgery more precise.
Seoul, SeoulAges 19–80 - NCT07376980Enrolling by invitation
Modified single-stapled anastomosis for rectal cancer surgery
This trial is testing a modified surgical technique (single-stapled anastomosis) for removing part of the rectum in people with rectal cancer. The goal is to see if this approach can improve recovery or outcomes while using minimally invasive methods like laparoscopic or robotic surgery.
Suwon, Gyeonggi-doAges 19 years+ - NCT07371247Enrolling by invitationEarly Phase 1
Adjuvant treatment guided by ctDNA after chemoradiation for esophageal cancer
This trial tests whether adjusting treatment based on a blood test (ctDNA) after standard chemoradiation can improve outcomes for patients with advanced esophageal squamous cell carcinoma. It aims to find a more personalized approach to prevent cancer recurrence.
Nanjing, JiangsuAges 18–80 - NCT07362706Enrolling by invitation
Extended breathing tube use for stomach cancer with sleep apnea
This trial looks at keeping a breathing tube in longer after stomach cancer surgery for patients who also have severe sleep apnea. The goal is to see if this helps with recovery and safety.
Jinan, ShandongAges 18–85 - NCT07358234Enrolling by invitationEarly Phase 1
Comparing two EoE treatments on esophagus widening
This study compares two medicines—Eohilia (an oral steroid) and Dupixent (an injectable biologic)—to see which one better helps widen the esophagus in people with eosinophilic esophagitis (EoE). It may help you if you have active EoE and are looking for a new treatment option.
Scottsdale, ArizonaAges 18 years+ - NCT07356466Enrolling by invitationEarly Phase 1
Combination therapy vs. standard chemo for advanced stomach cancer
This trial tests whether adding two newer drugs (pucotenlimab and lenvatinib) to standard chemotherapy (SOX) works better than chemotherapy alone for people with advanced stomach or gastroesophageal junction cancer that is HER2-negative. The goal is to see if the combination slows cancer growth.
Fuzhou, FujianAges 18–75 - NCT07352995Enrolling by invitation
Gut temperature study during colonoscopy
This study uses a special probe to measure temperature inside the colon during a routine colonoscopy. It may help researchers understand conditions like IBD, Crohn's disease, and ulcerative colitis.
Boston, MassachusettsAges 18 years+ - NCT07347158Enrolling by invitation
Health education for ostomy patients
This study teaches people with an ostomy (a surgical opening for waste) about their health to improve their quality of life and reduce anxiety or depression. If you are an adult with a permanent or long-term ostomy and live in the Santiago or Barbanza area, you may be able to join.
Santiago de Compostela, A CoruñaAges 18 years+ - NCT07346534Enrolling by invitation
Comparing reinforced vs. standard bowel connection in rectal cancer surgery
This study compares two ways of reconnecting the bowel after removing rectal cancer using keyhole surgery. It aims to see if a reinforced connection (with extra support) helps prevent leaks better than the standard method.
ShanghaiAges 18–85 - NCT07345377Enrolling by invitation
Personalized brain stimulation for irritable bowel syndrome
This study uses brain stimulation (TMS) customized for each person to treat IBS. It uses MRI scans to see how the brain responds, aiming to find better ways to predict who will benefit from this therapy.
Hangzhou, ZhejiangAges 18–75 - NCT07344220Enrolling by invitationPhase 2
Maintenance therapy study for stable metastatic pancreatic cancer
This trial tests a new drug, DZ-002, as maintenance therapy for people with metastatic pancreatic cancer whose disease has not worsened after at least 4 months of first-line chemotherapy. The goal is to help keep the cancer under control with fewer side effects.
Newport Beach, CaliforniaAges 18 years+ - NCT07334587Enrolling by invitation
Comparing two chemotherapies for advanced colorectal cancer
This trial compares two chemotherapy drug combinations (FOLFOX-6 and CAPOX) to see which works better and has fewer side effects for people with colorectal cancer that has spread. It may help you and your doctor choose the best treatment option.
Lahore, Punjab ProvinceAges 20–70 - NCT07312578Enrolling by invitationPhase 2
Targeted drugs plus chemo before surgery for esophageal cancer
This trial tests a combination of two targeted drugs (nimotuzumab and camrelizumab) plus standard chemotherapy before surgery for people with esophageal squamous cell carcinoma. The goal is to see if this approach helps shrink the tumor and improve outcomes.
Beijing, Beijing MunicipalityAges 18–70 - NCT07310069Enrolling by invitationPhase 2
Testing a new drug combination for advanced gallbladder cancer
This trial tests a combination of two chemotherapy drugs (gemcitabine and nab-paclitaxel) with two immunotherapy drugs (iparomlimab and tuvorilimab) for people with advanced gallbladder cancer that cannot be removed by surgery. The goal is to see if this combination can help shrink the cancer or slow its growth.
Shanghai, Shanghai MunicipalityAges 18–75 - NCT07298577Enrolling by invitation
Using blood test and ultrasound to find early liver cancer in Asia
This study tests whether adding a simple blood test (GAAD score) to a routine liver ultrasound can find early-stage liver cancer sooner in people with chronic liver conditions. It aims to improve detection in Asian populations at risk.
Bangkok Noi, BangkokAges 18 years+
Common questions
- How many digestive system clinical trials are recruiting?
- Clin2 is tracking 7,916 recruiting gastroenterology studies from the U.S. registry right now, out of 12,516 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.