Crohn disease

This early-stage study tests a new drug called zasocitinib (TAK-279) in 20 adults with active Crohn's disease who have not responded to other treatments. The main goal is to see if the drug is safe and how it affects inflammation in the gut. Participants will take the drug for 12…

This phase 2 trial tests whether an experimental oral tablet called H021 can help people with moderate to severe Crohn's disease. Participants receive either a low or high dose of H021 or a placebo for 12 weeks, with an option to continue treatment. The study measures symptom imp…

This study tests whether a specially designed anti-inflammatory diet can reduce symptoms and gut inflammation in people with mild-to-moderate Crohn's disease. For 8 weeks, 122 participants will receive fully catered meals and weekly coaching from a dietitian. The goal is to see i…

This study will test the drug Tabellvi (adalimumab) in 50 Chinese adults with moderate to severe Crohn's disease. The goal is to see how safe and effective it is in real-world settings, focusing on side effects and whether patients achieve remission after 26 weeks. Participants m…

This trial compares two approaches for people with Crohn's disease who have a narrowed section of the small bowel causing symptoms. One group receives a combination of two drugs (azathioprine and infliximab), while the other group undergoes surgery to remove the narrowed segment.…

This study compares early treatment with mirikizumab (a biologic drug) to standard therapy with azathioprine plus steroids in 320 adults newly diagnosed with moderate-to-severe Crohn's disease. Participants are randomly assigned to one of two groups for 52 weeks. The goal is to s…

This study tests whether oral vancomycin, an antibiotic, can help children aged 6-15 with inflammatory bowel disease (IBD), especially types linked to liver problems. About 140 kids will either get vancomycin plus standard care or standard care alone for up to a year. Researchers…

This study tests a new treatment called DB-3Q for people with Crohn's disease that hasn't improved with standard therapies. DB-3Q is made from stem cells and may help reduce inflammation in the gut. The trial will enroll 36 adults and focus on safety and how well the treatment wo…

This study observes 35 adults with moderate-to-severe Crohn's disease or ulcerative colitis to see how long they continue taking guselkumab in everyday medical practice. Researchers will track treatment persistence and early symptom relief, like reduced bowel urgency. No experime…

This phase 2 trial tests whether an oral supplement called N-acetylglucosamine (GlcNAc) can safely help control Crohn's disease in the ileum or ileocolon. Forty adults with stable Crohn's will receive either GlcNAc or a placebo for 6 weeks, then switch after a washout period. The…

This study looks at the safety of a drug called adalimumab in 30 Chinese children aged 6 to 17 with moderate-to-severe Crohn's disease. Researchers will track side effects over 12, 26, and 52 weeks of treatment. The goal is to understand how safe the drug is in real-world use for…

This study will test hyperbaric oxygen therapy (HBOT) — breathing pure oxygen in a pressurized chamber — for over 30 conditions, including long COVID, Crohn's disease, frostbite, and multiple sclerosis. Researchers will track 100 patients to see if HBOT improves their quality of …

This early-phase study tests a new treatment called ICG318 CAR-T for people with inflammatory bowel disease (IBD) that hasn't improved with standard therapies. The treatment uses a patient's own immune cells, modified in a lab to target and calm the overactive immune response cau…

This study tests whether adding a special diet (the Crohn's Disease Exclusion Diet) to standard biologic drugs can improve gut healing in adults with active Crohn's disease. About 185 participants in China will be randomly assigned to receive either the diet plus biologics or bio…

This study looks at whether the drug guselkumab can stop Crohn's disease from coming back after bowel surgery. About 88 adults with moderate to severe Crohn's who have had surgery will receive guselkumab and be monitored for up to 48 weeks. The main goal is to see if the disease …

This study will follow 95 adults with moderate-to-severe Crohn's disease or ulcerative colitis in Upper Egypt who are taking one of five biologic drugs: adalimumab, infliximab, ustekinumab, golimumab, or vedolizumab. After one year, researchers will measure how many patients avoi…

This study looks at whether adding a special liquid diet (partial enteral nutrition) to standard medication helps people with active Crohn's disease achieve remission without steroids. About 80 participants will choose to either add the diet or not. The main goal is to see if mor…

This study tests if xylitol, a common sweetener, can safely clear C. difficile bacteria from the gut in people with inflammatory bowel disease (IBD). About 99 adults with mild or inactive IBD will take either a low or high dose of xylitol or a placebo for four weeks. Researchers …

This study will compare two treatments for children with moderate to severe Crohn's disease: infliximab alone or infliximab plus azathioprine. About 154 children will receive one of the two regimens for over a year. The goal is to see if the combination leads to higher remission …

This study tests whether adding a specific gut bacteria (Akkermansia muciniphila) to the standard drug infliximab helps heal the intestinal lining better than infliximab alone in people with Crohn's disease. About 400 adults with active Crohn's will be randomly assigned to one of…

This study tests whether adding palmitoleic acid (a natural fatty acid) to the standard drug infliximab helps heal the gut lining better than infliximab alone in people with Crohn's disease. About 400 adults with active Crohn's will take part. The main goal is to see if the combi…

This early-stage study tests a new cell therapy called CNK-UT009 in 40 people with severe inflammatory bowel disease (Crohn's or colitis) that hasn't improved with standard treatments. The main goal is to check safety and find the best dose, while also looking at how well it work…

This study tests a blood-filtering device called Efferon LPS in 40 adults with Crohn's disease or ulcerative colitis during a flare-up. The device is designed to remove harmful substances from the blood to reduce inflammation. Participants will either receive standard care alone …

This study tests a Nordic version of the Crohn's Disease Exclusion Diet in 30 children aged 6-18 with mild-to-severe Crohn's disease. The diet avoids inflammatory foods and gradually reintroduces unprocessed items over 20 weeks. Researchers will measure remission rates, diet adhe…

This early-phase study tests a new treatment called RD06-05, a universal CAR-T cell therapy, in 30 adults with moderate-to-severe ulcerative colitis or Crohn's disease who haven't responded to standard treatments. The therapy targets specific immune cells to reduce inflammation i…

This early study tests whether a probiotic called Clostridium butyricum can help prevent or treat scarring in the gut caused by Crohn's disease. About 40 adults with a narrowing form of Crohn's will take the probiotic, a sugar called trehalose, both, or a placebo for two months b…

This study will follow 178 Chinese adults with Crohn's disease or ulcerative colitis who are starting treatment with IL-23 inhibitors (guselkumab or risankizumab). Researchers will track how well the drugs control symptoms and heal the gut over 52 weeks, as well as any side effec…

This Phase 3 trial will test two drugs, risankizumab and ustekinumab, in 260 adults with fibrostenotic Crohn's disease—a form where the bowel becomes scarred and narrow. The study compares how well each drug prevents further scarring over three years. Participants will receive ei…

This study tests a new type of day hospital for people with inflammatory bowel disease (IBD), like Crohn's disease or ulcerative colitis. In one visit, patients get blood tests, a doctor checkup, education on managing their condition, and optional workshops on diet or fatigue. Th…

This phase 3 trial will compare two drugs—ustekinumab (a shot) and upadacitinib (a pill)—in 454 adults with Crohn's disease that didn't get better with standard anti-TNF therapy. The goal is to see which drug leads to more people feeling better by week 16. Both drugs are already …

This study tests a special capsule that patients swallow to check if their intestines are clear enough for a standard camera capsule. About 25 people with known or suspected intestinal narrowing will take part. They will swallow the patency capsule and get an X-ray within 30 hour…

This pilot study will test a 24-week digital self-management program designed to help people with inflammatory bowel disease (IBD) manage their symptoms and build long-term healthy habits. The program is accessed via web or mobile device and is used alongside standard care. The s…

This study tests two online pain education programs for adults with Crohn's disease or ulcerative colitis who have chronic pain. Participants will complete a 2-hour online session and report their pain and quality of life weekly for 8 weeks. The goal is to see if these programs a…

This study tests a mobile app designed to help Black and Hispanic adults with inflammatory bowel disease (IBD) manage stress and improve their quality of life. The app teaches coping skills, mindfulness, and disease acceptance. Researchers want to see if the app is practical and …

This study tests whether modafinil, a drug used for sleep disorders, can reduce severe fatigue in adults with inactive inflammatory bowel disease (IBD). Sixty participants will take either modafinil or a placebo for 8 weeks, starting at 100 mg daily with possible dose increases. …

This study tests whether an AI-enhanced virtual reality cognitive behavioral therapy (VR/AI CBT) program can reduce anxiety and improve quality of life in people with inflammatory bowel disease (IBD). Seventy-six adults with IBD and moderate-to-severe anxiety will be randomly ass…

This study tests whether a special liquid diet (elemental diet) can help adults with inflammatory bowel disease (IBD) feel better during a flare. The diet provides all nutrients in an easy-to-digest form. Researchers will track symptom changes and inflammation levels in 42 outpat…

This study explores whether physical activity and fitness can reduce inflammation and improve quality of life in children aged 6 to 17 with Crohn's disease or ulcerative colitis. Researchers will track 100 participants over time and test a 12-week supervised exercise program. The…

This study tests whether neurofeedback — a type of brain training using real-time brainwave feedback — can reduce musculoskeletal pain in people with chronic inflammatory bowel disease (IBD). Eighty adults with IBD and persistent pain will be randomly assigned to either 8 session…

This study tests whether an 8-week mindfulness-based stress reduction (MBSR) program can lower stress and improve well-being in people with inflammatory bowel disease (IBD). Seventy adults with mild-to-moderate IBD will either take the MBSR course online or watch an educational s…

This study compares two minimally invasive procedures for treating narrowed sections of the small intestine caused by Crohn's disease. About 100 participants will receive either a balloon dilation or a precise incision made during a special endoscopy. The goal is to see which app…

This study will test a one-day acceptance and commitment therapy (ACT) program for 50 veterans who have both inflammatory bowel disease (IBD) and a mental health condition like depression, anxiety, or PTSD. The goal is to see if this brief therapy can improve their quality of lif…

This study tests whether modafinil, a drug used for narcolepsy, can reduce severe fatigue in people with Crohn's disease or ulcerative colitis. About 70 participants will receive either modafinil or a placebo for 12 weeks. The main goal is to see if a larger trial is possible, bu…

This study tests whether remimazolam, a newer sedative, works as well as or better than midazolam for colonoscopy in 200 adults with inflammatory bowel disease (Crohn's or colitis). Participants get one of the two drugs plus fentanyl for pain, then rate their satisfaction and are…

This study looks at medical records from thousands of adults with Crohn's disease or ulcerative colitis treated in Dutch hospitals between 2018 and 2026. Researchers will analyze which treatments patients receive, how often they switch therapies, and how the disease affects other…

This study will follow 100 adults with Crohn's disease, ulcerative colitis, or other IBD, plus their healthy relatives, for up to 3 years. Researchers will collect blood, stool, tissue samples, and imaging to track how immune cells and genetics change over time. The goal is to fi…

This study investigates whether acupuncture points become tender or more sensitive in people with inflammatory bowel disease (IBD), such as Crohn's disease or ulcerative colitis. Researchers will compare skin temperature, blood flow, and pain sensitivity at specific body points b…

This study explores whether changes in heart rate, sleep, and activity measured by a person's own smartwatch can predict flare-ups in inflammatory bowel disease (IBD). Six hundred adults with Crohn's disease or ulcerative colitis who already own a compatible device will participa…

This trial in 8 healthy men aged 30–65 examines how the body absorbs, breaks down, and eliminates ontunisertib, an experimental oral drug for fibrostenotic Crohn's disease. Participants receive a single dose of the drug with a radioactive label, allowing researchers to track its …

This study looks at people with inflammatory bowel disease (IBD), including ulcerative colitis and Crohn's disease, to better understand their risk of serious heart problems like stroke and heart attack. Researchers will collect information on therapy, disease activity, lifestyle…

This study looked at nearly 24,000 older adults (65+) with ulcerative colitis or Crohn's disease to see if certain advanced treatments lead to more infections. Researchers compared patients taking ENTYVIO, TNF-alpha inhibitors, or ustekinumab using Medicare claims data from 2016 …

This study will measure how much of the drug TREMFYA (guselkumab) passes into breast milk of 10 nursing women who are already taking it for conditions like psoriasis, psoriatic arthritis, ulcerative colitis, or Crohn's disease. Researchers will collect milk samples to estimate th…

This study tests whether watching a short video tailored to their specific type of inflammatory bowel disease (IBD) helps patients better prepare their bowel for a colonoscopy. About 600 adults with ulcerative colitis or Crohn's disease will be randomly assigned to receive either…

This study will look at whether tiny plastic particles found in food and water are linked to Crohn's disease. Researchers will compare 90 people—some with Crohn's and some without—to see if those with Crohn's have more plastic particles in their blood and gut, and how that affect…

This study follows 75 adults with Crohn's disease or ulcerative colitis who are starting guselkumab, a drug used for inflammatory bowel disease. Researchers want to see if the drug also helps with joint pain and stiffness linked to spondyloarthritis. Participants will report symp…

This study will interview 15 adults with stricturing Crohn's disease to learn which symptoms matter most to them and what early warning signs they notice. Researchers hope to use this information to create a better clinical assessment score. Participants will have a one-hour inte…

This study looks at a new way to control inflammation during flare-ups of Crohn's disease and ulcerative colitis. Researchers will take blood samples from 30 adults with severe IBD and test whether oxygen microbubbles can reprogram immune cells (monocytes) to produce fewer inflam…

This study will test whether an artificial intelligence (AI) system can help doctors identify inflammatory bowel disease (IBD) earlier and more accurately. Researchers will analyze medical records from 4,500 patients to see how well the AI's suggestions match actual diagnoses. Th…

This study will test a new type of colonoscope called the Magnetic Flexible Endoscope (MFE) in 6 people with inflammatory bowel disease (IBD). The MFE uses a magnet at its tip, moved by an external robotic arm, to gently travel through the colon. The goal is to see if it can reac…

This study tests a new imaging system that uses a fluorescent dye and artificial intelligence during colonoscopy to measure how leaky the gut lining is in people with inflammatory bowel disease (IBD). It includes 70 adults (60 with IBD and 10 without) at three Canadian hospitals.…

This study looks at how anxiety, depression, and stress might cause advanced IBD treatments to stop working. Researchers will ask 450 people with IBD to fill out questionnaires about their mental health while they receive regular infusions. The goal is to understand if mental hea…

This study looks at how weight and body mass index (BMI) change in people with inflammatory bowel disease (IBD) who are treated with biologic drugs. Researchers will track weight monthly and see if higher BMI leads to higher drug doses and costs. The goal is to understand the fin…

This study is building a new questionnaire to measure how well people with inflammatory bowel disease (IBD) take care of themselves. Researchers will talk to 275 adults with Crohn's disease or ulcerative colitis to understand their self-care habits, then test the questionnaire to…

People with inflammatory bowel disease (IBD) have a higher risk of colon cancer and need regular colonoscopies. This study compares two advanced methods: one uses a dye spray to highlight abnormal areas, and the other uses built-in camera filters to enhance the view without dye. …

This study looks at whether an MRI without a bowel-distending drink (like PEG or mannitol) can still accurately measure inflammation in the small bowel of people with Crohn's disease. Many patients find these drinks hard to tolerate, causing vomiting or diarrhea. If skipping the …

This study will use powerful MRI scans on intestinal tissue removed during surgery from 60 people with Crohn's disease. The goal is to better tell apart active inflammation from permanent scarring, which is hard to do with current scans. By comparing MRI results with detailed tis…

This study will follow 83 adults with inflammatory bowel disease (IBD) at Assiut University Hospitals in Egypt to see if anemia can predict worse outcomes like hospitalizations. Anemia is common in IBD, but its role as a predictor is not well studied in this population. Researche…

This study looks at how obesity influences treatment response in 120 adults with inflammatory bowel disease (IBD), including Crohn's disease and ulcerative colitis. Researchers will track whether obese patients respond differently to standard therapies, especially biologics. The …

This study tests whether fluorescent dyes attached to two IBD drugs (adalimumab and risankizumab) can show where the drugs go in the gut. 30 adults with ulcerative colitis or Crohn's disease will receive a low dose of the labelled drugs, then undergo a special camera procedure 2-…

This study will check if certain blood cell measurements (platelet count, size, and shape) are linked to how active inflammatory bowel disease (IBD) is. Researchers will compare these blood test results with standard disease activity scores in 84 adults with IBD. The goal is to s…

This study aims to develop a risk score for Crohn's disease by following 10,000 first-degree relatives (parents, siblings, or children) of people with Crohn's. Participants aged 16 to 35 will give blood and stool samples and answer lifestyle questionnaires every six months. The g…

This study looks at whether using a device that helps see veins under the skin can make placing an IV in children faster and with fewer needle sticks. About 500 children under 18 who need an IV for day surgery or other procedures will take part. Researchers will compare the time …

This study will check how common Helicobacter pylori infection is in 100 adults with inflammatory bowel disease (Crohn's or colitis) at the Guadeloupe hospital. Researchers will take extra stomach biopsies during routine endoscopy to study the stomach's bacteria. The goal is to s…

This study will measure vitamin D levels in 100 adults with inflammatory bowel disease (Crohn's or ulcerative colitis) to see if low vitamin D is linked to more active disease. Participants will have blood tests for vitamin D and inflammation markers. The goal is to better unders…

This study looks at the viruses (called bacteriophages) living in the guts of people with inflammatory bowel disease (IBD) and healthy people. Researchers want to understand how these viruses differ and whether they can be grown in a lab to create a new treatment. The study invol…

This study will follow 100 people who need a stoma (an opening in the belly to pass stool) after surgery. Some will have their stoma site marked and get education before surgery, while others will not. The goal is to see if these steps improve quality of life and reduce problems …

This study compares a newer imaging method called TXI with standard dye-based imaging during colonoscopies in people with inflammatory bowel disease (IBD). The goal is to see which method better detects precancerous changes that can lead to bowel cancer. About 242 adults with IBD…

This study will use musculoskeletal ultrasound to look for hidden joint, muscle, and tendon inflammation in 81 people with inflammatory bowel disease (IBD) who have no known arthritis. The goal is to see how common these hidden problems are and to develop a standard ultrasound ch…

This study will use a detailed heart ultrasound technique called speckle tracking to look for early signs of heart trouble in 100 adults with inflammatory bowel disease (IBD). Researchers want to see if this method can catch heart changes before they become serious and how those …

This study looks at whether taking a daily vitamin D supplement (2000 IU) for 12 months can improve the health and quality of life of people with Crohn's disease or ulcerative colitis. Researchers will track how well participants stick to the supplement and measure their vitamin …

This observational study will follow 4500 adults with Crohn's disease or ulcerative colitis to identify biological markers—such as gut bacteria patterns—that predict disease progression and complications. Researchers will collect blood, stool, saliva, and tissue samples during ro…

This study looks at how eating salt affects gut health in people with Crohn's disease. Researchers will track salt intake and measure gut inflammation in 300 participants. The goal is to understand if a high-salt diet worsens symptoms and to improve dietary advice for managing th…

This study tests whether data from a wearable device and grocery loyalty cards can help detect disease flares in people with Crohn's disease or ulcerative colitis. Eighty adults will wear a smartwatch and use a store card to track their health and food purchases. The goal is to d…

This study uses computer simulations to better understand how a subcutaneous (under-the-skin) form of the drug infliximab works in people with inflammatory bowel disease (IBD) and rheumatoid arthritis. Researchers will analyze data from previous trials to create a model that pred…

This study will look at 150 infants and children aged 1 month to 4 years who are admitted to a hospital gastroenterology unit with a gastrointestinal disease. The goal is to find out how common electrolyte disturbances (like low sodium or potassium) are in these children. By meas…