Clinical trials
Gastrointestinal clinical trials
Below are recruiting gastrointestinal clinical trials, each written for real people, not researchers. We’re tracking 481 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06639126Enrolling by invitation
Thyme extract for functional gut issues
This trial tests whether a wild thyme extract can help with functional gastrointestinal disorders (common digestive problems without a clear cause). It focuses on the extract's anti-inflammatory and metabolism-related effects.
Granada, GranadaAges 18–75 - NCT06560879Enrolling by invitationPhase 2
Probiotics to prevent stomach problems in children with leukemia
This trial tests whether probiotics can help prevent stomach and gut side effects from chemotherapy in children with leukemia. If your child is between 6 and 17, in the right phase of treatment, and doesn't have any major gut issues, they may be eligible.
Mexico City, CoyoacanAges 6–17 - NCT05115877Enrolling by invitation
Looking back at treatment outcomes for stomach or gut diseases
This study looks at past care for adults who had non-cancer or cancer of the gastrointestinal (stomach and intestines) tract and compares treatment outcomes. It may help improve how doctors manage these conditions in the future.
Richardson, TexasAges 18 years+ - NCT06663319RecruitingPhase 1
Study of JNJ-89402638 for metastatic colorectal and gastric cancers
This trial tests a new drug, JNJ-89402638, alone or with other treatments for people with metastatic colorectal or gastric cancer that has progressed after standard therapies. It aims to find safe and effective doses and combinations.
Tucson, ArizonaAges 18 years+ - NCT07544589RecruitingPhase 1
Testing DISP-10 for Advanced Gastrointestinal Cancers
This early-stage trial tests a new experimental therapy called DISP-10 in patients with advanced cancers of the stomach, esophagus, or colon that have spread. The goal is to see if this treatment can help shrink tumors and how safe it is.
Duarte, CaliforniaAges 18 years+ - NCT07524114Recruiting
Blood test to find leftover cancer after treatment
This study uses a blood test to look for tiny bits of cancer DNA after you finish treatment. It may help doctors know if cancer is still there and guide next steps.
Toronto, OntarioAges 18 years+ - NCT07653776Recruiting
Study of wellness products for gut health
This study tests whether certain daily wellness products can improve gut-related quality of life. If you have room to feel better and are willing to take a product without knowing if it's active or a placebo, you may be able to join.
Del Mar, CaliforniaAges 21–105 - NCT05972291Recruiting
Study gut changes in Gulf War illness with chronic stomach symptoms
This study looks at what’s driving Gulf War illness, focusing on gut symptoms like belly pain, diarrhea, and bloating. It may help researchers test approaches aimed at gut barrier function in eligible veterans.
Memphis, TennesseeAges 18–65 - NCT07769892Recruiting
Blood and stool test for digestive tract cancer screening
This study is testing a new way to screen for cancers of the digestive tract using a simple blood and stool test. It is for people who are already scheduled to have a digestive tract endoscopy, and it may help find cancers earlier without extra invasive procedures.
Zhaoqing, GuangdongAges 45–74 - NCT07770425Recruiting
Measuring lesion size during gastrointestinal endoscopy
This study tests a new way to measure the size of abnormal areas found during a routine endoscopy procedure. It may help doctors make more accurate measurements, which could improve diagnosis and treatment planning.
Montreal, QuebecAges 18 years+ - NCT07369726Recruiting
Mobilization and caffeine after cesarean
This trial tests whether getting out of bed and drinking coffee after a planned cesarean can help reduce pain and speed up recovery. It is for women who have moderate to severe pain after surgery.
Konya, KonyaAges 18–35 - NCT07331857Recruiting
Testing a new device for esophagus treatment
This study tests a new device (Digma System) for treating Barrett's esophagus and other esophageal conditions. It involves a short procedure during an endoscopy or surgery to remove abnormal tissue.
BrnoAges 18–70 - NCT07440290RecruitingPhase 2/Phase 3
Dabrafenib and trametinib for BRAF V600 cancers
This trial tests two targeted drugs (dabrafenib and trametinib) for patients whose cancer has a specific change in the BRAF gene called V600. These drugs work together to block signals that help the cancer grow. The trial is for children, teenagers, and adults with many types of cancer, except for a few common ones that already have approved treatments.
BelfastAges 1 year+ - NCT07320287Recruiting
Probiotics for babies born by C-section
This trial tests whether a multi-strain probiotic supplement can help with growth, digestion, and gut health in healthy full-term babies who were born by C-section.
HanoiAges birth–1 day - NCT04221893Recruiting
Radiation therapy for metastatic gastrointestinal cancers
This trial tests whether adding radiation therapy to your current immunotherapy can help control cancer that has spread in the digestive system. It aims to improve symptoms and possibly slow the cancer's growth.
San Francisco, CaliforniaAges 18 years+ - NCT05295446Enrolling by invitation
GI symptom registry for adults with functional bowel issues
This study is a registry (a way to collect health information) for adults with certain long-term “functional” gastrointestinal (GI) problems. It may help doctors better understand these conditions and improve future treatments.
Boston, MassachusettsAges 18 years+ - NCT07763860Recruiting
Music during endoscopy procedures
This study tests whether listening to music during an endoscopy (a tube with a camera used to look inside your digestive tract) can make the procedure more comfortable and less stressful. Participants will wear headphones and listen to music while the procedure is done under sedation.
SidonAges 18 years+ - NCT07763379Recruiting
Blood test for early detection of leaks after intestinal surgery
This study checks whether a simple blood test for C-reactive protein (CRP) can help doctors spot a leak early after intestinal surgery. A leak is a serious complication where the repaired area opens up, and early detection may lead to quicker treatment and better recovery.
Sohag, Sohag GovernorateAges 18–70 - NCT07724522Recruiting
Prebiotic Fiber for Irregular Periods in Women
This study tests whether taking a prebiotic fiber (inulin) can help women who are in the later years of their reproductive life (before menopause) and have irregular periods. You may be eligible if you are overweight, have irregular cycles, sit a lot, and do not exercise much.
Washington D.C., District of ColumbiaAges 40–55 - NCT07639853Enrolling by invitation
Doctor feedback survey on Concerto Versa coils
This study gathers feedback from doctors who use Concerto Versa detachable coils (small metal devices that help treat brain aneurysms). The survey helps improve how these coils work and are used.
El Paso, TexasAges 22 years+ - NCT07755384Recruiting
Stomach and throat exam study at high altitude
This study looks at what doctors see in the upper digestive tract (stomach and food pipe) of people living at high altitude, using a sedated endoscopy (a camera tube down the throat while you sleep). It helps understand how high altitude affects the digestive system.
Yushu, QinghaiAges 18 years+ - NCT04674267Recruiting
REACH study for older adults with GI cancer and support needs
This study looks at how to improve health and care support for people age 70 and older with gastrointestinal (GI) cancer. It may help by offering a structured way to address practical and emotional challenges that can affect aging and cancer care.
Boston, MassachusettsAges 70 years+ - NCT07749781Recruiting
Smart monitoring software for safer sedation during endoscopy
This study tests a computer program that helps doctors watch your vital signs while you are sedated for a routine gastrointestinal procedure, with the goal of making sedation safer and more personalized.
Barcelona, BarcelonaAges 18 years+ - NCT05995821Recruiting
Blood and tissue collection for head and neck cancers
This study collects blood and tissue samples from people with cancers of the head, neck, or upper airway to learn how the immune system responds to these cancers. The goal is to find better ways to treat these diseases in the future.
Baltimore, MarylandAges 18 years+
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Common questions
- Are there clinical trials for gastrointestinal?
- Yes. Clin2 currently lists 481 recruiting gastrointestinal studies from the U.S. registry, each rewritten for real people, not researchers, so you can see what it’s testing and who it’s for.
- How do I know if I qualify for a gastrointestinal trial?
- Each study lists its eligibility criteria — rules about age, diagnosis, and prior treatments. On every Clin2 trial page we explain these in words written for real people and offer a short, optional pre-screen for a fit read. The study team makes the final decision.
- Does it cost anything to join a gastrointestinal trial?
- Using Clin2 is always free. Many trials cover the cost of the study treatment and related visits; some reimburse travel. The study team explains exactly what’s covered before you decide.
Related conditions
Clin2 helps you find and understand clinical trials and does not provide medical advice. Study data comes from ClinicalTrials.gov. Talk with your doctor about whether a specific trial is right for you.