Clinical trials
Irritable Bowel Syndrome - Diarrhoea clinical trials
Below are recruiting irritable bowel syndrome - diarrhoea clinical trials, each written for real people, not researchers. We’re tracking 110 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT07584278Recruiting
Probiotics and Biomarkers for Irritable Bowel Syndrome
This study tests whether probiotics (beneficial bacteria) can help reduce irritable bowel syndrome (IBS) symptoms and change certain markers in your gut. You'll take a probiotic supplement for 12 weeks while researchers track how your symptoms and gut health change.
GothenburgAges 18 years+ - NCT07635394Recruiting
Pregabalin for Irritable Bowel Syndrome Relief
This study tests whether pregabalin, a nerve-pain medication, can help reduce irritable bowel syndrome (IBS) symptoms like abdominal pain and irregular bowel habits. Researchers want to see if it's safe and effective for people with mild-to-moderate IBS.
Beijing, Beijing MunicipalityAges 18–70 - NCT07471490Enrolling by invitation
Stool test study for inflammatory bowel disease vs. irritable bowel syndrome
This study collects stool samples and health information to help develop a new test that may tell the difference between inflammatory bowel disease (IBD) and irritable bowel syndrome (IBS). If you have not been diagnosed with a chronic gut disorder, you may be able to join.
Minneapolis, MinnesotaAges 2 years+ - NCT07345377Enrolling by invitation
Personalized brain stimulation for irritable bowel syndrome
This study uses brain stimulation (TMS) customized for each person to treat IBS. It uses MRI scans to see how the brain responds, aiming to find better ways to predict who will benefit from this therapy.
Hangzhou, ZhejiangAges 18–75 - 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 - NCT07421011RecruitingPhase 1
Comparing two forms of a drug for healthy volunteers
This study tests two different versions of a drug called Trimedat to see if they work the same way in the body. It is for healthy volunteers to understand how the drug is absorbed and if it is safe.
Saint PetersburgAges 18–45 - NCT05754190Recruiting
Smartphone study of mood and symptoms in people with pain
This study uses a smartphone app to track daily pain and mood changes over about 4 months. It’s meant to learn patterns that could help better understand how mood and pain affect each other.
Providence, Rhode IslandAges 18 years+ - NCT04918329Recruiting
Digestive symptom check-in study for adults
This study follows adults with long-lasting “functional” digestive symptoms as part of routine care. It may help researchers better understand these conditions and improve how they are managed.
RouenAges 18 years+ - NCT03223077Recruiting
Study of gut germs in new Campylobacter stomach illness
This trial studies how your gut germs (microbiome) and gut lining change during a new bout of Campylobacter infection. It may help researchers understand what drives symptoms and how the gut recovers.
Rochester, MinnesotaAges 18–80 - NCT07750535Recruiting
Liver fat and scarring in wheat-sensitive patients
This study looks at whether people with non-celiac wheat sensitivity or other digestive conditions have more fat in their liver or liver scarring. It aims to understand if wheat-related issues are linked to liver health.
Palermo, PalermoAges 18–65 - NCT05796388Recruiting
Virtual reality and linaclotide for IBS with constipation
This study tests whether virtual reality (VR) plus linaclotide can improve symptoms and quality of life in adults with IBS-C (IBS with constipation). You may be asked to use VR and take a study medicine, while doctors check that your IBS diagnosis fits strict criteria.
Jacksonville, FloridaAges 18–70 - NCT01912313Recruiting
Testing nerve signals in gut samples from IBS patients
This study looks at how nerves behave in small gut tissue samples (biopsies) from people with irritable bowel syndrome (IBS) and healthy volunteers. The goal is to better understand IBS symptoms and what might be driving them.
Leuven, Vlaams-BrabantAges 18–99 - NCT05905926Enrolling by invitationPhase 3
Tenapanor safety study for teens with constipation-predominant IBS
This trial checks the safety of tenapanor in children and teens (ages 6 to under 18) with IBS-C. It is only for people who finished a previous related study and agreed to continue follow-up.
Foley, AlabamaAges 6–18 - 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 - NCT07688044Recruiting
How food and bacteria cause belly pain in IBS
This study looks at how certain foods and gut bacteria might trigger abdominal pain in people with Irritable Bowel Syndrome (IBS). If you have IBS and frequent belly pain, you may help researchers understand the link between diet, bacteria, and pain.
Kingston, OntarioAges 18–70 - NCT04506593Recruiting
GI Motility diagnosis registry for people with digestion movement problems
This trial is a registry, meaning it collects information about people being evaluated for problems with how the gut moves. It may help doctors better diagnose gastrointestinal motility disorders in the future.
Indianapolis, IndianaAges Any age - NCT04974593RecruitingPhase 3
Test breath testing to guide a lactose-free diet in IBS
This trial studies whether a breath test (hydrogen/methane lactose testing) can predict who with IBS will improve on a lactose-free diet. If you have moderate-to-severe IBS and regularly eat lactose-containing foods, the test result may help tailor your diet approach.
Jette, Brussels CapitalAges 18–75 - NCT05097872Recruiting
Diet trial for IBS with non-constipation symptoms
This study tests whether a specific diet plan can improve symptoms in people with IBS that is not constipation (IBS-D or IBS-M). If you qualify, you’ll complete symptom questionnaires and follow the study diet for the trial period to see if symptoms improve.
LeuvenAges 18–70 - NCT05120752RecruitingPhase 3
Low FODMAP diet trial for IBS without lactose intolerance
This trial tests whether eating a low-FODMAP diet can reduce IBS symptoms in people who do not have lactose intolerance. It aims to improve moderate-to-severe IBS symptoms by changing what kinds of carbohydrates you eat.
Jette, Brussels CapitalAges 18–75 - NCT05274854Recruiting
Practice change study for severe unexplained gut symptoms
This study looks at a new approach to care for adults with severe, long-lasting stomach or bowel symptoms when no clear cause has been found. It may help you get more coordinated support through an integrated care clinic.
Woolloongabba, QueenslandAges 18–90 - NCT05293769Recruiting
Food diary questionnaire test for IBS and activity levels
This study checks whether a food questionnaire can reliably estimate what you eat, including certain carbs that can affect digestion (FODMAPs). It also looks at how the results relate to IBS symptoms and your self-reported physical activity.
Jette, Brussels CapitalAges 18–65 - NCT05519683RecruitingPhase 2/Phase 3
Home electrical stimulation for constipation IBS pain
This trial tests whether a home device that uses mild skin electrical stimulation can reduce belly pain from IBS with constipation. It also checks whether the treatment is safe and helpful for symptom relief over the study period.
Ann Arbor, MichiganAges 18 years+
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Common questions
- Are there clinical trials for irritable bowel syndrome - diarrhoea?
- Yes. Clin2 currently lists 110 recruiting irritable bowel syndrome - diarrhoea 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 irritable bowel syndrome - diarrhoea 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 irritable bowel syndrome - diarrhoea 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.