Clinical trials
Irritable Bowel Syndrome clinical trials
Below are recruiting irritable bowel syndrome clinical trials, each written for real people, not researchers. We’re tracking 116 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT07481422RecruitingPhase 1/Phase 2
Fecal transplant capsules for irritable bowel syndrome
This trial tests whether taking capsules containing freeze-dried healthy donor stool can improve symptoms of irritable bowel syndrome (IBS) that haven't gotten better with usual treatments. It aims to see if this approach is safe and helpful for people with moderate to severe IBS.
RijekaAges 18–65 - NCT06413004Recruiting
IBS and immune reactions to bacteria in the gut
This study tests whether some IBS symptoms are linked to a certain gut bacteria and an immune reaction. It aims to understand the cause of IBS to find better treatments.
GothenburgAges 18–70 - NCT07517029Recruiting
Gut Bacteria Study in Post-Infectious IBS
This study looks at how gut bacteria may change in people who developed irritable bowel syndrome (IBS) after a stomach infection. Researchers hope to understand why some people recover completely while others develop ongoing digestive problems.
RomeAges 18 years+ - 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 - NCT07540312Recruiting
Compression System for Moderate to Severe Irritable Bowel Syndrome
This trial tests a wearable compression device designed to help people with moderate to severe irritable bowel syndrome (IBS). The device applies variable pressure to the abdomen and may help reduce symptoms like abdominal pain, bloating, and bowel irregularities.
Kissimmee, FloridaAges 18–60 - NCT07581756Recruiting
Brain Stimulation Treatment for Diarrhea-Prone Irritable Bowel Syndrome
This trial tests whether repeated magnetic stimulation applied to the scalp (a non-invasive procedure) can reduce diarrhea and belly pain in people with diarrhea-predominant IBS. The goal is to see if this brain-based treatment can improve your symptoms.
Suzhou, JiangsuAges 18–70 - 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+ - NCT06837064Enrolling by invitation
Can a chatbot help manage Irritable Bowel Syndrome?
This study tests whether a chatbot can help adults with Irritable Bowel Syndrome (IBS) manage their symptoms. If you have been diagnosed with IBS, you may be able to join and use the chatbot as part of your care.
MoscowAges 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+ - 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 - 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
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Common questions
- Are there clinical trials for irritable bowel syndrome?
- Yes. Clin2 currently lists 116 recruiting irritable bowel syndrome 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 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 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.