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
- NCT05444127Recruiting
Study of oral health in people with Wilson’s disease
This study compares oral (mouth and teeth) health in people with Wilson’s disease versus people without it. It aims to see whether Wilson’s disease is linked to specific dental and imaging findings, which could help with future prevention and care.
Ivry-sur-SeineAges 18 years+ - NCT05440708RecruitingPhase 1/Phase 2
Study drug for advanced liver cancer that cannot be removed
This trial tests TTI-101, by itself and with other cancer medicines, for liver cancer that is advanced and cannot be removed by surgery. It aims to see whether the treatment can slow the cancer down and improve outcomes.
Birmingham, AlabamaAges 18 years+ - NCT05440864RecruitingPhase 2
Immunotherapy for operable liver cancer before surgery
This Phase 2 trial studies durvalumab and tremelimumab (immunotherapy medicines) in people with resectable early or intermediate-stage liver cancer (HCC). It aims to see how well these medicines work before/around the time of surgery, and whether they can improve outcomes.
Toronto, OntarioAges 18 years+ - NCT05442567RecruitingPhase 3
Vedolizumab study for kids with ulcerative colitis or Crohn’s
This Phase 3 study tests whether vedolizumab can help children with ulcerative colitis (UC) or Crohn’s disease (CD) who improved on earlier treatment. It focuses on kids who can stay off steroid medicines and follow study visits and safety rules.
Mobile, AlabamaAges 2 years+ - NCT05443087Recruiting
Checking blood levels of targeted drugs for digestive cancers
This trial monitors how your prescribed targeted cancer medicine moves through your body by doing extra blood tests. The goal is to understand the drug’s levels and dosing in people with advanced digestive cancers, so treatment can be better managed.
AmiensAges 18 years+ - NCT05443841Recruiting
Pleural lavage test to guide surgery in resectable esophageal cancer
This trial studies whether washing fluid from around the lungs (pleural lavage) can show cancer cells and help predict outcomes for people with operable esophageal cancer. It may add useful information before surgery to support better treatment decisions.
Hefei, AnhuiAges Any age - NCT05444478Recruiting
Microwave ablation plus lenvatinib for recurrent liver cancer
This trial tests whether combining heat treatment to kill liver tumors (microwave ablation) with the medicine lenvatinib can better control recurrent hepatocellular carcinoma (HCC). It may help shrink tumors or slow growth for people whose cancer has come back but who have limited tumor burden.
Changsha, HunanAges 18–75 - NCT05447923Recruiting
Colorectal screening study for Black and underserved Phoenix adults
This study aims to help improve colorectal cancer screening (checking the colon) in Black and underserved communities in Phoenix. It may help you find out which screening tests fit you and encourage regular screening.
Scottsdale, ArizonaAges 45 years+ - NCT05450029RecruitingPhase 2
Adding immunotherapy to chemo-radiation for rectal cancer
This Phase 2 trial studies whether adding sintilimab (an immunotherapy drug) to standard chemo-radiation before surgery can improve outcomes for people with locally advanced rectal cancer. It’s aimed at tumors with certain immune “signature” scores and specific cancer stage features.
Guangzhou, GuangdongAges 18–75 - NCT05450835Recruiting
Surgery technique comparison for stomach cancer near the esophagus
This study compares two ways surgeons reconnect the digestive tract after removing the whole stomach for certain stomach cancers near the esophagus. It aims to see which technique is safer and leads to better recovery and outcomes.
Quanzhou, FujianAges 18–75 - NCT05451043RecruitingPhase 2
Durvalumab and tremelimumab plus chemotherapy with propranolol
This Phase 2 study tests whether adding propranolol to durvalumab and tremelimumab along with chemotherapy can help control advanced pancreatic cancer, liver cancer, or bile duct cancer. It aims to shrink tumors and help people live longer or feel better when the cancer can’t be cured with surgery or local treatment.
Edmonton, AlbertaAges 18 years+ - NCT05450991Recruiting
Study outcomes in children with Hirschsprung’s disease
This study looks at long-term health and development outcomes in children who were diagnosed and treated for Hirschsprung’s disease or anorectal malformations. It uses both numbers and interviews to understand what happens over time after treatment, helping families and clinicians plan better care.
Liverpool, MerseysideAges Any age - NCT05451901Recruiting
Direct surgery versus step-by-step drainage for walled pancreatic infection
This study compares two ways to treat a pancreatic infection pocket (walled-off necrosis): removing dead/infected tissue right away versus starting with drainage and escalating if needed. It may help find the safest, most effective approach for getting the infection under control.
Bunkyō-Ku, TokyoAges 18 years+ - NCT05455359RecruitingPhase 4
Tube-fed children at high risk for aspiration pneumonia
This Phase 4 study looks at gastrointestinal movement (dysmotility) and how it may increase the risk of aspiration pneumonia in children who eat through a tube and have swallowing safety problems. It may help doctors better prevent lung infections in children who cough/choke and need suction often.
Boston, MassachusettsAges 5–21 - NCT05456412Recruiting
JAK medicine for active ulcerative colitis
This study tests whether a JAK-inhibitor medicine can improve symptoms in people with active ulcerative colitis. If you’re currently flaring, it may help calm inflammation and reduce symptoms.
Leiden, South HollandAges 16–65 - NCT05456893Recruiting
Testing blood and stool markers in active ulcerative colitis treatments
This study checks biomarkers (signals in blood and/or stool) in adults with moderate-to-severe ulcerative colitis. It compares patients starting targeted medicines and looks for marker patterns that may reflect how the disease is behaving.
Nancy, LorraineAges 18 years+ - NCT05461664Recruiting
Avapritinib for advanced GIST without PDGFRA exon 18 changes
This trial studies avapritinib, a targeted medicine, for people with advanced or returning gastrointestinal stromal tumors (GIST) whose tumor does not have PDGFRA exon 18 mutations. It aims to see how well the drug can shrink tumors or control the disease.
GuangzhouAges 18 years+ - NCT05462236RecruitingPhase 2
Study drug AUM001 with immunotherapy or chemotherapy for metastatic colon cancer
This Phase 2 trial tests AUM001 (a targeted drug) combined with either pembrolizumab (an immunotherapy) or irinotecan (a chemotherapy) in people with metastatic colorectal cancer. It aims to shrink tumors and improve outcomes when standard treatments have already been tried.
Camperdown, New South WalesAges 18 years+ - NCT05462496RecruitingPhase 2
Pembrolizumab plus gut microbiome changes after pancreatic chemo
This Phase 2 study tests whether changing the gut microbiome (the gut’s helpful bacteria) and giving pembrolizumab after chemotherapy can improve outcomes for people with operable pancreatic cancer. It aims to see if this approach can boost the immune system after standard treatment and help reduce cancer returning.
New York, New YorkAges 19 years+ - NCT05462613RecruitingPhase 2/Phase 3
Regorafenib plus aspirin then standard chemo for metastatic bowel cancer
This trial tests whether adding regorafenib and low-dose aspirin before standard chemotherapy can slow metastatic colorectal cancer after it has progressed on prior treatment. It may help by trying a different cancer-fighting approach earlier, followed by the usual chemo plan.
BesançonAges 18 years+ - NCT05464875Recruiting
Testing avapritinib for advanced GI stromal tumors
This study looks at how well avapritinib works and how safe it is for people with metastatic or unresectable gastrointestinal stromal tumors (GIST). It focuses on whether the tumor has certain marker and gene features and whether you can tolerate related medications.
GuangzhouAges 18 years+ - NCT05465629Recruiting
Viome nutrition program for IBS symptoms
This trial studies whether a Viome nutrition program (based on supplement/formulation instructions) can improve symptoms in people with IBS. You may be asked to follow a specific nutrition plan and tracking steps for the study period.
Bothell, WashingtonAges 25–75 - NCT05466565Recruiting
Peginterferon antiviral treatment after liver cancer surgery
This trial studies an antiviral medicine given after surgery for liver cancer to help prevent the cancer from coming back. It focuses on people who are hepatitis B–positive (HBsAg positive) and have complete remission on follow-up checks.
Changsha, HunanAges 18–65 - NCT05468008Recruiting
Study of endoscopic submucosal removal (ESD)
This trial is checking outcomes for adults who are scheduled to have a procedure called endoscopic submucosal dissection (ESD), done through an endoscope. If you’re already planned for ESD and have no reasons you can’t have endoscopy, you may be able to join.
Orlando, FloridaAges 18 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.