Clinical trials
Functional Gastrointestinal Disorders clinical trials
Below are recruiting functional gastrointestinal disorders clinical trials, each written for real people, not researchers. We’re tracking 49 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT07222943Recruiting
Guided Imagery App for Kids with Stomach Pain
This study tests a mobile app that uses guided imagery (a relaxation technique using your imagination) to help children ages 7–12 with stomach pain disorders. The goal is to see if the app is easy to use and helpful for managing pain.
Austin, TexasAges 7–12 - 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+ - NCT06631001Recruiting
Abdominal massage for digestion in ICU patients on tube feeding
This study tests if gentle abdominal massage can improve digestion in intensive care patients who are on a breathing machine and receiving liquid food through a tube. It might help prevent gastrointestinal issues like bloating or slow digestion.
MersinAges 18 years+ - NCT05880199Recruiting
Test Meal and Monitoring in Teens With GI Symptoms
This study studies how a standardized meal affects digestion using special monitoring in children and young adults with stomach or gut symptom problems (and compares them to healthy controls). It may help doctors understand what causes gut symptoms and guide better treatments.
San Diego, CaliforniaAges 8–25 - NCT06031025Recruiting
Study of tummy problems in at-risk infants
This study looks at how common stomach and gut issues are in babies who were born early or had problems at birth, and how these issues change over time.
RomaAges 3 months–2 years - NCT06215222Recruiting
Studying gut bacteria in IBS and digestive issues
This study uses a tiny capsule to collect samples from your small intestine to learn about gut bacteria in people with IBS or other functional gut disorders. It could help researchers understand what causes digestive symptoms.
Redwood City, CaliforniaAges 18–70 - NCT06268964RecruitingPhase 1/Phase 2
Trimebutine vs probiotics for kids with belly pain
This study compares two treatments—trimebutine and probiotics—to see which works better for children with recurring stomach pain that has no clear medical cause. It aims to find a safe and effective option for kids aged 4 to 18.
ColimaAges 4–18 - NCT06488274Recruiting
Study of a new infant formula for digestive issues in babies
This trial is testing a new infant formula to see if it helps with common digestive problems like spitting up, colic, or constipation in babies up to 4 months old. It aims to improve symptoms and comfort for infants who are formula-fed.
NiceAges Up to 4 months - 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 - NCT06687057Recruiting
Heart rate training for anxiety and stomach issues
This study tests whether a special breathing and heart-rate training program (called HRV biofeedback) can help people who have both anxiety and a sensitive stomach or bowel (functional gastrointestinal disorder). If you often feel anxious and have belly discomfort without a clear medical cause, this training might improve both your digestion and your mood.
MilanAges 18 years+ - NCT06863207Recruiting
Testing a new treatment for teens with stomach and nerve problems
This study tests whether a personalized nerve stimulation treatment can help teens with cyclic vomiting syndrome or functional dyspepsia who also have symptoms of autonomic dysfunction, like dizziness, fatigue, or heart palpitations when standing.
Milwaukee, WisconsinAges 11–18 - 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 - 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+ - NCT05846802Recruiting
Gastroparesis and stomach symptoms registry for adults
This registry is for adults with long-lasting stomach emptying problems or related symptoms, helping researchers better understand patterns of nausea, pain, and fullness. You may be able to join if you meet specific symptom and test results, and can complete a stomach-emptying scan.
Scottsdale, ArizonaAges 18–85 - NCT06529913Recruiting
Metals, pollutants, and risk of allergies
This study looks at whether heavy metals, nanoparticles, and other pollutants in the environment increase the risk of allergic diseases like contact dermatitis. If you have a metal allergy or are a healthy adult, you may help researchers understand how these exposures affect your health.
BolognaAges 18 years+ - 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 - 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.
NaplesAges 4–65 - NCT05212129Recruiting
Stimulation of the ear nerve to help gut symptoms
This study tests whether stimulating a nerve in the ear (called auricular vagal nerve stimulation) can improve upper gut symptoms in teens who may have hypermobile Ehlers-Danlos syndrome (hEDS) or hypermobile spectrum disorder (HSD). It also checks whether this treatment helps nerves that control the body (autonomic nervous system) and how well the gut moves.
Milwaukee, WisconsinAges 10–18 - NCT05832528Recruiting
Low FODMAP diet for indigestion after meals
This study tests whether a low FODMAP diet can reduce symptoms of functional indigestion or post-meal discomfort. It’s mainly for people whose symptoms are clearly linked to eating and who haven’t changed diets recently.
Leuven, Vlaams-BrabantAges 18–70 - NCT06197334Recruiting
Recording stomach and gut signals with skin sensors
This study uses small sensors placed on your belly to record electrical signals from your stomach and intestines. It may help doctors better understand conditions like Crohn's disease and other digestive issues without using needles or inside-the-body tests.
Vandœuvre-lès-Nancy, CHRU de NancyAges 18 years+ - NCT06309199Recruiting
Healthy Baby Digestive Health and Probiotics Study
This study looks at how common digestive problems are in healthy babies and whether probiotics can help. It involves following your baby from birth to age 1 with regular check-ups.
Bangkok, BangkokAges 3 days–1 year - 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+ - NCT05501028Enrolling by invitation
Audio-recorded gut symptom interview to help diagnose FGIDs
This trial uses natural-language conversations (spoken interactions) to improve how clinicians evaluate and diagnose functional gastrointestinal disorders, a group of conditions that affect the gut. If you are scheduled for a GI clinic visit or a diagnostic endoscopy, your recorded responses may help build better evaluation tools.
Boston, MassachusettsAges 18 years+ - NCT03369353Enrolling by invitation
Personalized immune testing study for bowel and transplant patients
This study looks at whether a precise lab test can help understand inflammatory bowel disease, functional gut disorders, and immune changes after stem cell transplant or cell therapy. It may help doctors choose better monitoring and treatments based on your immune and gut test results.
Boston, MassachusettsAges Any age
Hear when a new Functional Gastrointestinal Disorders trial opens
We’ll email you when one opens — at most once a week, no account needed, unsubscribe anytime.
Functional Gastrointestinal Disorders trials by city
Studies with a site in or near these metro areas.
Functional Gastrointestinal Disorders trials by state
Studies with a site anywhere in these states.
Common questions
- Are there clinical trials for functional gastrointestinal disorders?
- Yes. Clin2 currently lists 49 recruiting functional gastrointestinal disorders 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 functional gastrointestinal disorders 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 functional gastrointestinal disorders 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.