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
- NCT06892093Recruiting
Probiotics to prevent diarrhea from neratinib in breast cancer
This trial tests whether taking probiotics can help prevent diarrhea caused by the breast cancer drug neratinib. If you are a woman with HER2-positive breast cancer and are about to start neratinib, this study may help manage a common side effect.
Guangzhou, GuangdongAges 18 years+ - NCT07196410RecruitingPhase 1
A study of KAN-004 for diarrhea or colitis from immunotherapy
This trial tests a new treatment, KAN-004, for people with diarrhea or colon inflammation caused by cancer immunotherapy. It aims to help manage these side effects.
Montreal, QuebecAges 18 years+ - NCT06556940RecruitingEarly Phase 1
Study of LMN-401 in people with an ileostomy
This study looks at how your body absorbs the drug LMN-401 when you have an ileostomy. It's designed to understand the effect of your digestive system on the medicine.
MaroochydoreAges 19 years+ - NCT05663775RecruitingPhase 2
Mesalamine to prevent bowel inflammation after melanoma immunotherapy
This study tests whether taking mesalamine can prevent colitis (bowel inflammation) in people with advanced melanoma who are treated with ipilimumab plus nivolumab. It may help reduce dangerous stomach or bowel side effects from this cancer treatment.
Edmonton, AlbertaAges 18 years+ - NCT01868373Enrolling by invitationPhase 1
Fecal transplant study for hard-to-treat C. difficile diarrhea
This Phase 1 study tests defined fecal microbiota (healthy gut bacteria) given to people with C. difficile diarrhea that didn’t go away or came back soon after antibiotics. It may help by restoring a healthier balance of gut bacteria so the infection can stop recurring.
Houston, TexasAges 18 years+ - NCT07114055RecruitingPhase 2/Phase 3
Ebastine for diarrhea-predominant IBS
This trial tests whether ebastine, an allergy medicine, can help relieve symptoms of diarrhea-predominant irritable bowel syndrome (IBS-D). If you have IBS-D and are at least 18, this study may offer a new option to manage your condition.
DhakaAges 18 years+ - NCT07300462Enrolling by invitationPhase 4
Oral cholera vaccine safety study for children
This trial is for children aged 2 to 14 who have not had a cholera vaccine before. It tests a safe, oral vaccine to prevent cholera, a serious diarrheal disease.
Hefei, AnhuiAges 2–14 - NCT07317167Enrolling by invitation
Water safety plan study in Ghana
This trial is testing a water safety plan to improve drinking water quality in Ghana. It may help people who get their water from certain private water suppliers.
AccraAges 18 years+ - NCT06912347Enrolling by invitation
Herbal therapy to prevent infection after stem cell transplant
This trial tests whether a special herbal treatment applied to the skin can help prevent infections around the bottom that are caused by diarrhea after a stem cell transplant. It may be an option for people who are getting a transplant for the first time.
Shanghai, Shanghai MunicipalityAges 14–70 - NCT06247046RecruitingPhase 3
Probiotic powder for IBS-D (SK08) trial
This study tests a new probiotic powder (SK08) to see if it reduces belly pain and diarrhea in people with IBS-D (irritable bowel syndrome with diarrhea). It lasts several months and involves taking the study powder twice a day.
Wuxi, JiangsuAges 18–70 - NCT06259396Recruiting
8x5 Diet for Bile Acid Diarrhea
This trial tests a special 8-hour eating window (8x5 Diet) for people with bile acid diarrhea. It aims to see if this diet can help manage symptoms when medication alone is not enough.
Manchester, Greater ManchesterAges 18 years+ - NCT07087054RecruitingPhase 3
A daily pill for carcinoid syndrome symptoms
This trial tests an oral daily medication, paltusotine, to reduce flushing and other symptoms of carcinoid syndrome in people with neuroendocrine tumors. It may be an option for those who need treatment and have stable disease.
Gilbert, ArizonaAges 18 years+ - NCT07426822RecruitingPhase 2
Preventing Rash and Diarrhea with Capivasertib for Breast Cancer
This trial tests whether giving a combination of the drugs capivasertib and fulvestrant, along with medicines to prevent rash and diarrhea, can help treat hormone receptor-positive breast cancer that has a PIK3CA, AKT1, or PTEN change. It's for people whose cancer has spread or is locally advanced and can't be removed with surgery.
New Haven, ConnecticutAges 18 years+ - NCT03339128RecruitingPhase 2
Eluxadoline for diarrhea-predominant IBS in children
This trial tests whether eluxadoline can reduce symptoms of IBS with diarrhea (IBS-D) in children ages 6 to 17. It also asks families to track symptoms with a daily diary to measure whether treatment helps over the study period.
Hot Springs, ArkansasAges 6–17 - NCT03895593Recruiting
Fecal transplant for stubborn intestinal infections
This study looks at “rescue” fecal microbiota transplantation (FMT), which replaces gut microbes using stool from a screened donor, for intestinal infections that have not improved with standard care. It may help patients whose infection keeps coming back or doesn’t respond to treatment.
Nanjing, JiangsuAges Any age - NCT04305769RecruitingPhase 2
Alanyl-glutamine to help treat C. difficile diarrhea
This study tests whether the supplement alanyl-glutamine, given along with standard treatment, can improve outcomes for adults being treated for C. difficile infection (a cause of diarrhea). It may help the body recover better after antibiotics that usually treat C. difficile.
Charlottesville, VirginiaAges 18–105 - NCT04750070RecruitingPhase 3
Treating shock in young children with severe malnutrition and diarrhea
This study tests a treatment approach to help children who are in “shock” (their body is struggling to maintain blood flow and oxygen) caused by diarrhea and severe undernutrition. It may help care teams stabilize children faster and improve outcomes.
DhakaAges 1 month–4.9 years - NCT05166850Recruiting
Preventive cholera help for households for 7 days
This study tests a 7-day preventive intervention for cholera-like diarrhea in households without running water. It may help reduce illness spread and protect young children when families lack safe water at home.
Bukavu, South KivuAges Any age - NCT05405387RecruitingPhase 2
Budesonide to prevent serious diarrhea after stem cell transplant
This Phase 2 study tests whether budesonide can lower the chance of moderate-to-severe diarrhea in people with multiple myeloma who are getting an autologous stem cell transplant. It may help your comfort and reduce complications during the transplant recovery period.
Salt Lake City, UtahAges 18 years+ - NCT05776914RecruitingPhase 2
Fecal transplant to treat moderate to severe IBS symptoms
This trial tests whether putting stool (fecal microbiota) from a donor into your bowel can improve symptoms in people with IBS who are not IBS-C. It may help by changing the gut bacteria that can influence IBS symptoms.
Rochester, MinnesotaAges 18–70 - NCT05852990RecruitingPhase 3
Gut help to prevent diarrhea from EGFR-targeted lung cancer drugs
This Phase 3 trial tests whether adding glutamine plus L. reuteri can help prevent severe diarrhea caused by EGFR-targeted treatments in people with advanced non-small cell lung cancer. If it works, it could make treatment easier to tolerate and help you stay on the planned therapy.
Mexico City, Mexico CityAges 18–80 - NCT05873231Recruiting
Gut microbiome study for diarrhea after anti-cancer treatment
This trial looks at how changes in the gut (microbiome) relate to diarrhea that can happen after starting anti-cancer therapy. It may help doctors better predict and manage treatment-related diarrhea.
GrazAges 18 years+ - NCT06003816Recruiting
7-day cholera water, sanitation, and hygiene help at home
This trial offers a 7-day program to help cholera patients who don't have running water at home. It provides tools and guidance on water, sanitation, and hygiene to stop cholera from spreading.
DhakaAges Any age - 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
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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.