Clinical trials
Diarrhea clinical trials
Below are recruiting diarrhea clinical trials, each written for real people, not researchers. We’re tracking 72 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06055179Recruiting
Herbal medicine for diarrhea from irinotecan chemo
This study tests if a Chinese herbal formula (XCHT) can reduce diarrhea caused by the chemo drug irinotecan. If you are getting irinotecan and already had troublesome diarrhea, you may be able to join and get supportive treatment.
Guangzhou, GuangdongAges 18–75 - NCT06137014RecruitingPhase 1/Phase 2
Fortified rehydration drink for childhood diarrhea
This study tests a new type of oral rehydration drink for children with diarrhea. It aims to help kids recover faster at home without needing a hospital stay.
New Brunswick, New JerseyAges 6 months–5 years - NCT06152289Recruiting
Better diagnosis with capsule endoscopy images
This trial uses images and videos from routine capsule endoscopy procedures to develop better ways to diagnose conditions. If you're already scheduled for a capsule endoscopy, you can help by allowing your images to be used for research.
ParisAges Any age - NCT06498817Recruiting
Cholera home care for diarrhea patients without running water
This trial tests a 7-day hospital-based program to help patients with diarrhea who lack running water at home. It aims to prevent the spread of cholera and improve recovery.
MānikganjAges Any age - NCT06681012Recruiting
Gelsectan for irritable bowel syndrome with diarrhea
This trial tests a supplement called Gelsectan to see if it reduces diarrhea and belly pain in people with diarrhea-predominant irritable bowel syndrome (IBS-D). It may help if you have loose, urgent stools more often than not.
LeuvenAges 18–65 - NCT06727422RecruitingPhase 2
Rifaximin plus NAC for IBS with diarrhea
This trial tests whether a combination of two medications—rifaximin (a gut antibiotic) and NAC (a supplement that helps break down mucus)—can reduce belly pain and diarrhea in people with IBS whose symptoms are not well controlled. It may be an option if other treatments haven't worked well enough.
Los Angeles, CaliforniaAges 18 years+ - NCT06757491Recruiting
Low frequency brain stimulation for diarrhea-predominant IBS pain
This trial tests if a type of brain stimulation called low-frequency repetitive transcranial magnetic stimulation (lf-rTMS) can reduce belly pain in people with irritable bowel syndrome that causes diarrhea (IBS-D). It is a non-invasive treatment that uses magnetic pulses to target areas of the brain involved in pain perception.
Suzhou, JiangsuAges 18–75 - NCT06807593RecruitingPhase 2
Treating ICI-related diarrhea or colitis with ustekinumab
This trial tests if ustekinumab can help cancer patients who have diarrhea or colitis caused by immune checkpoint inhibitors. It may be an option if standard treatments haven't worked or aren't suitable.
Houston, TexasAges 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 - NCT07168434RecruitingPhase 3
Yeast supplement for irritable bowel syndrome (IBS)
This trial tests if a yeast supplement called Saccharomyces boulardii can help people with irritable bowel syndrome (IBS), except for those with constipation as their main symptom. Participants take the supplement and see if their symptoms improve.
BragaAges 18–65 - NCT07195006Recruiting
Malnutrition in pregnancy and child growth study
This study looks at how nutrition during pregnancy affects the health of mothers and babies, including gut health and growth. It compares women with low nutrition to those with healthy nutrition.
HarareAges 18 years+ - NCT07205926RecruitingPhase 1
Testing a new Shigella vaccine in healthy adults
This trial tests a new Shigella vaccine in healthy adults to see if it is safe and creates a good immune response. It is a first-in-human study, meaning this is the first time the vaccine is given to people.
Cincinnati, OhioAges 18–49 - NCT07338565Recruiting
Magnesium study for gut conditions
This trial looks at magnesium levels in people with inflammatory bowel disease, an ileostomy, or bile acid diarrhea, compared to healthy volunteers. It aims to understand how these conditions affect magnesium in the body.
Aarhus NAges 18 years+ - NCT07385196Recruiting
Understanding symptoms after ileorectal surgery
This study observes patients who have had a surgery connecting the small intestine to the rectum (ileorectal anastomosis) or who kept their rectum after colon surgery. Researchers want to better understand what symptoms these patients experience, which could help improve care.
DiyarbakırAges 18 years+ - NCT07433426RecruitingPhase 2
Shigella infection treatment study for young children
This study tests how well a recommended treatment works for children aged 6 months to 5 years who have diarrhea caused by Shigella bacteria. It aims to find the best way to help children recover faster.
ChāndpurAges 6 months–4.9 years - NCT07444008Recruiting
BioAmicus Complete for infant digestive and skin issues
This study tests if BioAmicus Complete, a probiotic blend, can help babies with colic, reflux, diarrhea or constipation, and food allergy-related skin problems. Eligible babies are 1 to 4.5 months old, breastfed or formula-fed, and whose parents speak Russian.
Saint PetersburgAges 1 month–5 months - NCT07519395RecruitingPhase 2
Camlipixant for abdominal symptoms in IBS-D and IBS-M
This study tests whether a new drug called camlipixant can reduce belly pain and other uncomfortable symptoms in people with irritable bowel syndrome that causes diarrhea or mixed symptoms. The trial compares camlipixant to a placebo (inactive pill) to see if it works better.
Anniston, AlabamaAges 18–80 - NCT07605728RecruitingPhase 2
Probiotics to ease stomach problems from breast cancer treatment
This trial tests whether a special probiotic supplement (good bacteria) can reduce belly discomfort caused by abemaciclib, a hormone therapy drug for early breast cancer. You would take the supplement alongside your cancer treatment to see if it helps with stomach side effects.
TaipeiAges 18 years+ - NCT07610382Recruiting
IV Fluids for Stomach Bugs in Young Children
This study compares two types of IV fluids commonly used to rehydrate young children with gastroenteritis (stomach flu with diarrhea and vomiting). Researchers want to see which fluid works better and causes fewer problems.
AydinAges 6 months–5 years - NCT07656623Recruiting
Probiotics for IBS with stomach issues and stress
This trial tests whether a special probiotic blend can help people with irritable bowel syndrome (IBS) who also have stomach symptoms like heartburn, bloating, or nausea, and feel anxious, depressed, or stressed. It aims to see if the probiotic improves both gut and mood symptoms.
Hanoi, HanoiAges 18 years+ - NCT07164781Enrolling by invitation
Probiotics for preventing infections in ICU patients
This trial tests whether probiotics (good bacteria) can help prevent serious infections in critically ill patients in the ICU. If you are very sick and in the ICU, you may be able to join — as long as you don't have certain conditions like cancer or a weakened immune system.
Banhā, Qalyubia GovernorateAges 18 years+ - NCT07103772Enrolling by invitation
Does a food supplement help irritable bowel syndrome?
This study tests a special food-based supplement (called a nutraceutical) to see if it helps relieve symptoms of irritable bowel syndrome (IBS), like diarrhea and constipation. It is only open to UANL employees and their beneficiaries who are not already on medication for their stomach issues.
Monterrey, Nuevo LeónAges 18 years+ - NCT06657001Enrolling by invitation
Personalized nutrition study for gut health
This study uses information from your gut bacteria (microbiome) to create personalized nutrition advice. It is for people with gut conditions like IBD, IBS, or celiac disease, as well as healthy volunteers.
Rochester, MinnesotaAges 18 years+ - NCT04880876Enrolling by invitationPhase 3
Oral IBS-D medicine trial for kids and teens
This trial tests whether an oral medicine (eluxadoline) can help children and teens with IBS-D, a condition that causes stomach pain and frequent loose stools. It’s a Phase 3 study, meaning it’s designed to confirm benefits and safety.
Corona, CaliforniaAges 6–17
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Common questions
- Are there clinical trials for diarrhea?
- Yes. Clin2 currently lists 72 recruiting diarrhea 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 diarrhea 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 diarrhea 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.