Clinical trials
Gastrointestinal clinical trials
Below are recruiting gastrointestinal clinical trials, each written for real people, not researchers. We’re tracking 469 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT07078136Recruiting
AI study for upper GI tumor diagnosis
This study uses artificial intelligence to help diagnose tumors in the upper stomach or esophagus. It looks at images from endoscopy and ultrasound to improve how doctors identify these growths.
Wuhan, HubeiAges 18 years+ - NCT07072143Recruiting
Study on children with rare tumors
This study is looking at children and teens with very rare tumors to learn more about these conditions and improve future care. It aims to gather information from patients treated at participating centers.
Padova, ItalyAges birth–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+ - NCT06144905Recruiting
Norwegian Gut Bacteria Study in Anorexia Nervosa
This study looks at gut bacteria in women with anorexia nervosa compared to healthy women. It aims to understand how gut health relates to the condition and recovery.
Ås, ÅsAges 16–50 - NCT07050693Recruiting
Can a breast-milk sugar supplement prevent colds and stomach bugs?
This study tests a chewable supplement made from a natural sugar found in breast milk (2'-fucosyllactose) to see if it helps prevent colds and stomach bugs in young children who attend daycare or school. It is for healthy children between 1 and 4 years old.
Bari, BariAges 1–4 - NCT07039526RecruitingPhase 2
Cytalux for finding cancer during surgery
This trial tests a dye called Cytalux that helps surgeons see cancer during surgery. You get the dye before surgery, and it makes cancer cells glow under a special light. This could help doctors remove more cancer.
Dallas, TexasAges 18 years+ - NCT01793168Recruiting
Rare disease registry and history study
This study keeps a registry (a structured list) of people with rare diseases and may also track how the condition changes over time. It can help researchers better understand rare illnesses and find gaps in care, which may improve future treatments.
Sioux Falls, South DakotaAges Any age - NCT07033208Recruiting
Testing a wireless thermal capsule for the digestive tract
This study tests a new wireless capsule that you swallow, like a pill, to measure temperature inside your digestive tract. It is for healthy volunteers to see if the device is safe and works well.
Boston, MassachusettsAges 18–75 - NCT07001592RecruitingPhase 1
Injection of a modified virus for advanced GI and peritoneal cancers
This trial tests a modified virus injected directly into tumors to treat metastatic gastrointestinal and peritoneal cancers. It aims to see if this approach can shrink tumors or slow their growth.
Pittsburgh, PennsylvaniaAges 18–69 - NCT07002801Recruiting
Remimazolam and Esketamine for Older Adults Having Painless Stomach and Colon Scope
This trial tests a combination of two sedative medicines (Remimazolam and Esketamine) for elderly patients having a painless stomach and colon exam. The goal is to see if this combination is safe and effective for older adults.
Harbin, HeilongjiangAges 65 years+ - NCT07000227Recruiting
Low FODMAP diet study for IBS or functional dyspepsia
This study looks at how a low FODMAP diet affects people with irritable bowel syndrome (IBS) or functional dyspepsia (FD). It aims to understand why this diet helps some patients and may offer a way to manage your symptoms.
Kuala Lumpur, Kuala LumpurAges 18 years+ - NCT07001943Recruiting
Blood flow in stomach and gut injury in ICU patients
This trial checks if changes in blood flow to the stomach and intestines can predict gut injury in critically ill patients who need feeding through a tube. It uses a safe ultrasound test at the bedside.
Beijing, Beijing MunicipalityAges 18–80 - NCT06985277Enrolling by invitation
Urgent endoscopy for maroon or bloody stools
This trial tests if a quick endoscopic exam of the upper digestive tract helps people who come to the hospital with maroon-colored or bloody stools. It may find the source of bleeding and guide treatment.
Bangkok, BangkokAges 18 years+ - NCT03298334RecruitingPhase 1/Phase 2
Testing vaginal bacteria transfer to newborns after C-section
This study looks at whether they can safely place “healthy vaginal bacteria” from the mother into the newborn after a scheduled C-section, and whether it improves the baby’s health. It only enrolls certain mothers and babies based on infection testing and other health factors.
Falls Church, VirginiaAges birth–50 years - NCT05808712Recruiting
Study how cancer care feels when surgery is stopped
This study looks at the quality of cancer care and patient experience in people over 18 who have gastrointestinal cancer diagnoses. It especially focuses on situations where cancer surgery is aborted or stopped and asks patients to complete a Swedish questionnaire.
LinköpingAges 18 years+ - NCT06952920RecruitingPhase 3
Acupuncture for nausea from chemo in breast cancer
This trial tests whether adding acupuncture to standard care can help manage nausea, vomiting, and other stomach symptoms caused by chemotherapy in people with early-stage breast cancer. It is for those about to start their first round of strong chemo.
Xining, QinghaiAges 18–75 - NCT06937814Recruiting
Effect of Humiome Post LB on Gut Comfort in Healthy Adults
This study tests a supplement called Humiome Post LB to see if it helps with mild digestive discomfort like bloating, irregular stools, and urgency. If you have frequent but not severe bowel issues (10-20 movements per week with loose stools) and are generally healthy, this may be for you.
London, OntarioAges 18–75 - NCT06936878Recruiting
BOLSTER: Learning skills to thrive with advanced cancer
This study tests a program called BOLSTER to help you learn new skills to thrive while managing advanced cancer and a complex care need. You and a family caregiver will participate together.
Boston, MassachusettsAges 18 years+ - NCT06940596Recruiting
Comparing diets and therapies for irritable bowel syndrome
This study compares different dietary and behavioral treatments to find out which works best for different people with irritable bowel syndrome (IBS). You'll be asked to follow a specific treatment program to see how it affects your symptoms.
Melbourne, VictoriaAges 18 years+ - NCT04646083Recruiting
Tests how far a scope can insert in the small bowel
This trial looks at how deeply doctors can safely insert a camera scope into the ileum (a part of the small intestine) during a procedure called retrograde enteroscopy. It may help improve how the exam is done for people whose small-bowel problem wasn’t fully found by usual tests.
El Paso, TexasAges 18–90 - NCT06920680Recruiting
A registry for colonoscopy reports and videos
This study is a registry that collects information and videos from colonoscopy procedures. It helps doctors learn more about these tests and improve care for patients like you.
Stuttgart, Baden-WurttembergAges 18 years+ - NCT06904872RecruitingPhase 2
Testing a diarrhea drug for short bowel syndrome without a colon
This trial tests if crofelemer can reduce diarrhea and fluid loss in people with short bowel syndrome who have a stoma (no colon connection) and need intravenous nutrition or fluids. The goal is to see if it improves gut function and quality of life.
AachenAges 18 years+ - NCT06081647Recruiting
Testing a new airway device for endoscopy
This trial tests a special mouth-and-throat device designed to help you breathe easier during a routine endoscopy or colonoscopy. If you are a generally healthy adult scheduled for one of these procedures, you may be able to join.
Nanjing, JiangsuAges 18–60 - NCT06908629Recruiting
Helping Detroit cancer survivors with social needs
This study looks at how social needs (like finding enough food) affect cancer survivors in the Detroit area. If you join, researchers will work to connect you with resources that might help.
Detroit, MichiganAges 18 years+
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Common questions
- Are there clinical trials for gastrointestinal?
- Yes. Clin2 currently lists 469 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.