Clinical trials
Colitis clinical trials
Below are recruiting colitis clinical trials, each written for real people, not researchers. We’re tracking 308 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT05218850RecruitingPhase 2
Butyrate treatment for kids with mild-to-moderate ulcerative colitis
This trial tests whether butyrate can help children and teens with mild-to-moderate ulcerative colitis (a long-term bowel inflammation condition). You may be able to join if your symptoms fit the study level and you haven’t recently started other specific ulcerative colitis treatments right before the study begins.
Los Angeles, CaliforniaAges 7–21 - NCT05076175RecruitingPhase 2/Phase 3
Oral ozanimod for children with moderate to severe ulcerative colitis
This trial tests whether an oral medicine called ozanimod can improve ulcerative colitis (UC) in children whose disease is moderate to severe. It’s meant for kids who didn’t fully respond—or couldn’t tolerate—standard UC treatments.
Phoenix, ArizonaAges 2–17 - NCT04401605Recruiting
Fermented foods diet for ulcerative colitis symptoms
This study tests whether adding fermented foods to your diet can improve symptoms of ulcerative colitis. It also looks at people with intestinal inflammation markers to see if diet changes may help them feel better.
Palo Alto, CaliforniaAges 18 years+ - NCT04372108Recruiting
Long-term safety study for ustekinumab vs other biologics
This study follows adults with Crohn’s disease or ulcerative colitis to compare the long-term safety of ustekinumab against other biologic medicines. It may help show how safe these treatments are over time, using medical records.
Houston, TexasAges 18 years+ - NCT04373473RecruitingPhase 2
Oral stool treatment to prevent ulcerative colitis flare-ups
This study tests whether taking freeze-dried (lyophilized) donor stool material by mouth can help prevent ulcerative colitis from coming back or causing intestinal inflammation. Participants are in remission and stay on their usual treatment while receiving the study product.
Houston, TexasAges 18 years+ - NCT04038619RecruitingPhase 1
Fecal transplant for immune-therapy diarrhea or bowel inflammation
This early-phase study tests whether stool/fecal microbiota transplant (a fecal transplant) can help people who develop significant diarrhea or colitis after immune-checkpoint therapy. It aims to reduce bowel inflammation and improve symptoms, while carefully checking for infections.
Houston, TexasAges 18 years+ - NCT03615690Recruiting
Fasting-mimicking diet test for ulcerative colitis
This study tests whether a “fasting-mimicking diet” can improve mild to moderate ulcerative colitis. You would follow the study diet plan and be monitored to see if symptoms and disease activity change.
Palo Alto, CaliforniaAges 18–70 - NCT02127398RecruitingPhase 2
Fecal transplants for hard-to-treat C. difficile infection
This Phase 2 study tests whether placing stool from a healthy donor into your gut can treat repeated, hard-to-control C. difficile colitis. It may help restore healthy gut bacteria and reduce future flare-ups.
Durham, North CarolinaAges 18 years+ - NCT07619547Recruiting
Bowel disease immune system study
This study is looking at how the immune system works in people with inflammatory bowel disease (IBD), which includes conditions like Crohn's disease and ulcerative colitis. By comparing blood or tissue samples from people with and without IBD, researchers hope to find better ways to treat the disease in the future.
Bethesda, MarylandAges 18–85 - NCT03894228Recruiting
Study of Crohn’s and colitis medicines during pregnancy and breastfeeding
This registry study tracks outcomes for mothers with inflammatory bowel disease (IBD) and their babies during pregnancy and breastfeeding while using IBD medicines. It aims to better understand the safety of these medicines so future pregnancies can be managed more confidently.
Santiago de Compostela, A CoruñaAges 18 years+ - NCT01731665Recruiting
Study of Crohn’s and ulcerative colitis in Seoul
This study looks at how inflammatory bowel disease (Crohn’s disease and ulcerative colitis) affects people in a specific area of Seoul. It mainly focuses on describing patterns and health needs rather than testing a new drug.
SeoulAges Any age - NCT04617184Recruiting
Join an inflammatory bowel disease registry and sample bank
This study asks people with known or suspected inflammatory bowel disease to enroll in a registry and biorepository. It helps researchers better understand the condition using health information and stored biological samples.
Austin, TexasAges 18–100 - NCT01277419Recruiting
Study of new cases of several spine, joint, and eye diseases
This study enrolls people who have recently been diagnosed with certain inflammatory conditions affecting the spine, joints, or the eye. Researchers are looking to better understand how these illnesses start and how they may be linked, which could help guide future care.
BerlinAges Any age - NCT05186623Recruiting
Personalized prediction for ulcerative colitis treatment response
This study builds a prediction model to estimate how people with ulcerative colitis may respond to certain medicines. It may help doctors choose the most effective treatment sooner.
SeoulAges 18–79 - NCT05652621Recruiting
Probiotics for people with ulcerative colitis symptoms
This study looks at whether probiotic pellets help people with inflammatory bowel disease, specifically ulcerative colitis. It may help improve gut symptoms, but the trial will test how well probiotics work for participants like you.
Xinxiang, HenanAges 18–80 - NCT01140789Recruiting
Study comparing people with and without bowel inflammation
This study looks at people with inflammatory bowel disease (Crohn’s disease or ulcerative colitis) and compares them with people without it. Researchers want to understand differences that may help explain or better detect the disease.
Hong KongAges 18 years+ - NCT03589183Recruiting
Gut microbiome study for ulcerative colitis and Crohn disease
This study looks at how changes in gut bacteria (the microbiome) relate to inflammatory bowel disease, including ulcerative colitis and Crohn disease. It may help researchers understand what might improve symptoms or disease control.
SeoulAges Any age - NCT03809728Recruiting
Finding blood tests linked to outcomes in Crohn’s and colitis
This study looks for “biomarkers” (lab markers, like substances in blood or tissue) that may predict how Crohn’s disease or ulcerative colitis will go and how patients may respond. It may help doctors choose better monitoring or treatments in the future.
Vandœuvre-lès-NancyAges 18 years+ - NCT02308917Recruiting
Canadian children's inflammatory bowel disease study
This study follows children with inflammatory bowel disease (IBD) to learn more about the disease and improve care. It may help doctors understand how to treat Crohn's disease, ulcerative colitis, or IBD that doesn't fit either diagnosis.
Calgary, AlbertaAges 2–17 - NCT06113913RecruitingPhase 4
Switching from IV to under-the-skin infliximab after dose increase
This study tests if switching from a high-dose infliximab IV infusion to a daily or weekly injection under the skin works just as well. It is for people with inflammatory bowel disease who are already stable on IV infliximab.
Ghent, Oost-VlaanderenAges 18 years+ - NCT05219903Recruiting
Study of children with eosinophilic gut disorders
This study looks at children ages 0–18 with eosinophilic gut disorders (EGIDs) to better understand these conditions and how they are managed. It may help doctors improve care by comparing real-world information from patients followed at participating hospitals.
PaviaAges birth–18 years - NCT04014413Recruiting
Fecal transplant for gut and immune-related conditions
This trial studies whether fecal microbiota transplantation (FMT)—a medical procedure using stool from a screened donor to restore gut bacteria—can improve safety and outcomes for people with certain bowel, immune, and metabolic conditions. It may help if your symptoms are thought to be related to an unhealthy gut microbiome, though eligibility is broad and depends on specific safety factors.
Hong Kong, ShatinAges Any age - NCT06073873Recruiting
Safety study of ozanimod for ulcerative colitis in Korea
This study is checking the safety of ozanimod, a daily pill, for people with moderate to severe active ulcerative colitis. It looks at how well patients tolerate the medicine in real-world use in Korea.
SeoulAges 19 years+ - NCT07775352Recruiting
Ultrasound-guided care for inflammatory bowel disease
This study tests whether using ultrasound to guide treatment can help manage inflammatory bowel disease. You may join if you are having an endoscopy to assess your disease.
BangkokAges 18 years+
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Common questions
- Are there clinical trials for colitis?
- Yes. Clin2 currently lists 308 recruiting colitis 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 colitis 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 colitis 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.