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
- NCT06789484Recruiting
Study of gut bacteria in healthy newborns
This study looks at the gut bacteria of healthy, full-term newborns whose parents plan to breastfeed exclusively. It aims to understand how the gut microbiome develops in early life.
HvidovreAges Up to 1 day - NCT07210658Recruiting
Nutritional supplement tolerance study in children
This study is testing a new nutritional drink or powder to see if children like it, tolerate it well, and can stick with it. It replaces your child's current supplement with a new one, and researchers will check how it affects their digestion and overall health.
NottinghamAges 1–16 - NCT06930079Recruiting
Fat injection for chronic fistulas of the gut and pelvis
This trial tests a new technique where a small amount of your own fat is taken, processed, and injected through an endoscope to help heal long-lasting fistulas (abnormal connections between organs) that haven't healed with other treatments. It's for people with fistulas that affect quality of life.
RomeAges 18 years+ - NCT07201311RecruitingPhase 2
Stomach decontamination for severe poisoning in the ICU
This trial tests whether giving activated charcoal plus emptying the stomach can help people who are on a breathing machine after severe poisoning. It may lower the amount of poison in the body and improve recovery.
ParisAges 18 years+ - NCT06431308Recruiting
Dietary help for weight-loss drug side effects
This study is testing whether a special diet can help reduce stomach side effects (like nausea or vomiting) from weight-loss medications such as Wegovy or Mounjaro. It is for people who are about to start or are taking these medications.
ArielAges 18 years+ - NCT07175155Recruiting
Breathing device and oxygen for endoscopy in severe obesity
This study tests a special breathing device (a tube placed in the throat) combined with high-flow oxygen through the nose during sedation for endoscopy in people with severe obesity. It aims to see if this combination helps keep oxygen levels stable and makes the procedure safer.
Beijing, Beijing MunicipalityAges 18 years+ - NCT06562348RecruitingPhase 2
ctDNA monitoring test for metastatic GI cancer treatment
This trial tests whether using a ctDNA blood test along with standard CT scans can help guide treatment decisions for people with incurable metastatic gastrointestinal cancer. It may help doctors decide sooner whether a treatment is working.
AarhusAges 18 years+ - NCT07163689Recruiting
TIPS for liver disease with portal hypertension
This trial compares patients who have a rare liver condition (porto-sinusoidal vascular disease) with those who have cirrhosis, to see how a procedure called TIPS (a shunt placed in the liver to reduce blood pressure) works for complications like bleeding, fluid buildup, or blood clots.
Amiens, PicardieAges 18 years+ - NCT06514573Recruiting
Butyrate supplement for children with autism and stomach issues
This study tests if a supplement called butyrate can help improve gut health in children aged 3-6 who have autism and ongoing stomach problems like constipation or bloating. It aims to see if this treatment eases their digestive symptoms.
NaplesAges 3–6 - NCT06316245Recruiting
Recovery after major gastrointestinal surgery
This study looks at how well you recover after major or intermediate surgery on your stomach, intestines, colon, or rectum. It measures your ability to do daily activities and how many days you spend at home (instead of the hospital) in the first 30 days after surgery.
Istanbul, FatihAges 18 years+ - NCT07148583Recruiting
BioAmicus Complete for tummy troubles in babies
This study tests if a probiotic supplement called BioAmicus Complete can help babies with common digestive issues like colic, reflux, constipation, or loose stools. It might be a good option if your baby has these symptoms and you haven't used other probiotics or antibiotics recently.
Haiphong, Hai PhongAges birth–2 years - NCT06028737RecruitingPhase 2/Phase 3
Chemotherapy before surgery for advanced stomach cancer
This trial tests a combination of chemotherapy drugs given before surgery for locally advanced stomach or gastroesophageal junction cancer. It aims to see if this approach helps shrink the tumor and improve outcomes.
VilniusAges 18–80 - NCT06015971Recruiting
Omega-3 and nutrition support for gastrointestinal cancer
This trial tests whether adding omega-3 fatty acids and extra nutrition support can help people with gastrointestinal cancer who have lost weight. It aims to improve strength and well-being during treatment.
Córdoba, CordobaAges 18 years+ - NCT07106424Recruiting
Early screening study for multiple gastrointestinal tumors
This study is looking for people aged 40-75 who have never had cancer to participate in early screening for gastrointestinal tumors. The goal is to find cancers early when they are easier to treat.
Jinan, ShandongAges 40–75 - NCT07112014Recruiting
Digestive symptoms in eating disorder recovery by diet
This study looks at how different eating plans affect stomach and bowel symptoms in people with anorexia or bulimia nervosa during weight recovery. It aims to understand how symptoms change over time to improve care.
Bad BevensenAges 12 years+ - NCT07108855RecruitingPhase 1/Phase 2
Green dye to guide early cancer removal
This trial tests whether a special dye (indocyanine green) given through a vein can help doctors see the exact edges and depth of early-stage esophageal or stomach cancer during a minimally invasive procedure to remove it. If you are scheduled for this procedure, the dye may help the surgeon remove the cancer more precisely.
Groningen, Provincie GroningenAges 18 years+ - NCT07107633RecruitingPhase 2
Imaging test for cancer spread in the abdomen
This trial tests a special imaging injection to see if it can better detect cancer that has spread to the lining of the abdomen in people with stomach or bowel cancer. If you are scheduled for surgery to remove or explore the cancer, this scan might help your doctor plan the best treatment.
ShanghaiAges 18 years+ - NCT07105865Recruiting
Nickel and LTPs in stomach and bowel issues
This study looks at whether being sensitive to nickel or certain proteins called LTPs is linked to ongoing stomach and bowel problems. It aims to find better ways to diagnose and help people with functional dyspepsia or irritable bowel syndrome.
Naples, NaplesAges 4–65 - NCT07092423Recruiting
Special liquid tube feed for brain injury patients
This study tests a special liquid formula (semi-elemental nutrition) given through a feeding tube to people with severe traumatic brain injury. It aims to see if this formula is easier on the stomach and causes fewer digestive problems than standard tube feeds.
Xi'an, ShaanxiAges 18–75 - NCT07089277Recruiting
Validating a bleeding risk score for stomach bleeding
This study checks how well a risk score predicts the need for treatment in patients with upper gastrointestinal bleeding (bleeding in the stomach or esophagus). It may help doctors decide if you need urgent care.
SousseAges 18 years+ - NCT07094984Recruiting
Clearing resistant gut bacteria: three FMT methods
This trial tests three different ways to clear antibiotic-resistant bacteria from your gut using fecal microbiota transplant (FMT). It may help if you have a confirmed resistant infection and are looking for a treatment to reduce the risk of future infections.
WarsawAges 18 years+ - NCT07089030Recruiting
Capsule endoscopy for unexplained anemia on blood thinners
This study uses a capsule endoscopy (a pill-sized camera you swallow) to look for hidden sources of bleeding in the small intestine of people who have iron deficiency anemia and take blood thinners. Finding the cause may help manage your anemia and avoid unnecessary repeat tests.
Trois-Rivières, QuebecAges 18–90 - NCT07083596Recruiting
Fermented milk drink for constipation relief in Filipino adults
This study tests if a special fermented milk drink can help relieve constipation symptoms like hard or lumpy stools. Researchers want to see if it works for adults who have constipation without a known medical cause.
Manila, ManilaAges 18–59 - 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+
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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.