Colitis

This early-stage trial tests an oral capsule containing a genetically modified probiotic yeast designed to neutralize toxins produced by C. diff bacteria. The study first evaluates safety in healthy adults, then in people at risk for recurrent C. diff infection. Participants take…

This study tests whether adding a combination of curcumin (from turmeric) and QingDai (a traditional Chinese herb) to standard vedolizumab treatment can help people with moderate to severe ulcerative colitis reach remission. About 160 adults will receive either the herbal combo o…

This study tests an experimental tablet called Hemay005 in 360 Chinese adults with moderate to severe ulcerative colitis, a chronic gut condition. Participants will receive either the drug or a placebo to see if it can bring about remission and improve symptoms over 12 weeks, wit…

This study tests whether a supplement called palmitoylethanolamide (PEA) can help people with mild-to-moderate ulcerative colitis. Researchers will measure changes in disease activity, quality of life, and inflammation markers in 60 participants. The goal is to see if adding PEA …

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 an experimental drug called ATH-063 in 120 adults with moderate to severe ulcerative colitis who have not responded to or can no longer use biologic therapies. Participants will receive either the drug or a placebo for 12 weeks to see if it can reduce symptoms an…

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 study tests a treatment called extracorporeal photopheresis (ECP) for people with advanced melanoma who develop severe colitis or hepatitis from immunotherapy. ECP filters a patient's blood, treats it with a light-activated drug, and returns it to the body. The trial compare…

This study will test whether a diet rich in protein and fiber can reduce harmful gas-producing bacteria in the gut of people with ulcerative colitis. Forty adults with mild to moderate disease will eat specially prepared frozen meals for two separate week-long periods. Researcher…

This study compares four different sequences of biologic drugs (infliximab, filgotinib, ustekinumab, and vedolizumab) in 240 adults with moderate to severe ulcerative colitis. The goal is to see which order of treatments works best to achieve and maintain remission without steroi…

This study tests whether frozen stool capsules (fecal transplants) can help children aged 8-17 with ulcerative colitis stay in remission after steroid treatment. Participants will receive either capsules or enemas containing healthy donor stool. The main goal is to see if the cap…

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 early-stage trial tests the safety of an experimental drug called LYNC-101 in 50 healthy adults. The drug is given by IV infusion, either as a single dose or multiple doses every 3 weeks. The goal is to see if it is safe and how the body processes it, before testing it in pe…

This study tests an experimental pill, IPG11406, in 144 adults with moderate to severe ulcerative colitis (UC), a chronic gut condition causing diarrhea and pain. The drug targets immune cells to reduce colon inflammation. Participants receive one of three doses or a placebo for …

This study looks at whether older adults (60+) with ulcerative colitis who are in long-term remission can safely stop taking thiopurines (azathioprine or 6-mercaptopurine) and rely only on high-dose mesalazine. Thiopurines carry increased risks of infection and cancer with age, s…

This study tests whether the oral medication upadacitinib can safely treat acute severe ulcerative colitis in hospitalized adults without using steroids. Fifty participants will take upadacitinib daily during their hospital stay and be monitored for up to a year. The goal is to s…

This phase 2 trial tests an oral drug called ibezapolstat in 20 people who have had three or more C. diff infections in the past year. The goal is to see if the drug can cure the current infection and reduce the chance of it coming back. Participants will take the drug twice a da…

This study tests a new drug called SSGJ-627 in 288 adults with moderate to severe ulcerative colitis, a chronic bowel disease. The goal is to see if it safely controls symptoms like bleeding and diarrhea. Participants must have tried other treatments without success.

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 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 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 pilot study tests a new synbiotic formula (SGR11) in 50 adults with mild-to-moderate ulcerative colitis, a type of inflammatory bowel disease. Participants take the supplement daily for 8 weeks. Researchers will check if symptoms improve and if the supplement is safe, using …

This study tests whether using stool biomarkers (fecal calprotectin and fecal immunochemical test) to guide treatment adjustments can prevent relapses in people with ulcerative colitis. About 240 adults in remission will be randomly assigned to either biomarker-guided therapy or …

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 whether adding acupuncture to the standard drug mesalazine helps people with mild-to-moderate ulcerative colitis achieve and stay in remission. Eighty adults will receive either real acupuncture or sham patches alongside mesalazine for 12 weeks. The goal is to se…

This early-stage trial will test a new drug called cizutamig in 15 people with moderate to severe ulcerative colitis who haven't improved with other treatments. The main goal is to check if the drug is safe and tolerable. It is not yet recruiting and will be conducted at a single…

This pilot study tests whether the antibiotic vancomycin can safely treat active ulcerative colitis in adults who also have primary sclerosing cholangitis, a liver condition. Fourteen participants will take vancomycin or a placebo for 4 weeks, with an optional 4-week extension. T…

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 study looks at adults hospitalized with a severe flare of ulcerative colitis that didn't get better with IV steroids. It compares taking two drugs together (infliximab and tofacitinib) versus taking just one of them. The goal is to see if the combo leads to faster symptom re…

This pilot study tests whether xylitol, a common sugar alcohol, can safely clear C. difficile bacteria from the guts of people with inflammatory bowel disease (IBD). About 69 adults with mild or inactive IBD will take different doses of xylitol for up to 8 weeks. Researchers will…

This study compares two antibiotics, fidaxomicin and vancomycin, to see which one is better at clearing C. difficile bacteria from the gut in people with inflammatory bowel disease (IBD). About 60 adults with IBD will take one of the two antibiotics for 10 days and be followed fo…

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 study tests a steroid foam (budesonide) given rectally to children aged 5 to 17 with mild to moderate ulcerative colitis in the lower colon. The goal is to see if it can safely induce remission after 6 weeks of treatment. About 100 children will receive either a low dose, hi…

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 study looks at whether a substance in urine, called PGE-MUM, can show if ulcerative colitis is active or in remission. Researchers will collect urine and blood samples from 114 adults with confirmed ulcerative colitis and compare the results with colonoscopy findings. If suc…

This early-phase trial tests whether adding Ursodeoxycholic Acid (UDCA) to standard antibiotics can prevent Clostridioides difficile (C. diff) infection from returning. About 30 adults with C. diff and risk factors for recurrence will take UDCA three times daily for up to eight w…

This study tests whether taking oral vancomycin alongside other antibiotics can prevent Clostridioides difficile infection (C. diff) in people aged 65 and older. Participants are randomly assigned to receive either vancomycin or standard care. The goal is to see if the drug reduc…

This study tests whether a probiotic supplement in oral drops can prevent diarrhea in children aged 0-12 who are taking common antibiotics like amoxicillin. One thousand children will receive either the probiotic or a placebo during their antibiotic course, and researchers will t…

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 a short liquid diet followed by a low-sulfur eating plan is safe and helpful for people with mild to moderate ulcerative colitis. Researchers will check if this approach improves gut health, lowers inflammation, and eases symptoms. They will also use brea…

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 a 5-week heart rate variability biofeedback program can reduce symptoms in people with ulcerative colitis who are currently having a flare but show no active inflammation. Twenty-three adults will practice daily breathing exercises using a device and be f…

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 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 two special formulas—amino acid formula (AAF) and extensively hydrolyzed formula (eHF)—in 360 infants aged 0-6 months with suspected cow's milk protein allergy. Babies will receive one formula for at least 2 weeks, and doctors will check if symptoms like diarrhea…

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 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 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 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 looks at adults who had a C. diff infection and were treated with either a fecal transplant (FMT) or antibiotics alone. Researchers want to see if FMT leads to healthier gut bacteria and fewer health problems years later. Participants will give blood, stool, and urine …

This study will give fecal transplants to 90 people with recurrent C. difficile infection, ulcerative colitis, or metabolic syndrome. Researchers will use advanced tests on stool and tissue samples to track how donor bacteria settle in the gut and interact with the host. The goal…

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 follows 50 adults with ulcerative colitis who are already seeing a naturopathic doctor. Over 12 weeks, researchers track symptom changes using questionnaires. The goal is to gather early information on how naturopathic care may help, without changing anyone's usual tre…

This study will examine 100 patients with lower gut symptoms like chronic diarrhea, blood in stool, or abdominal pain who are having a colonoscopy. Researchers want to see which types of colon inflammation (colitis) are most common and how they appear during the procedure. The go…

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 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 will collect blood samples from 30,000 adults in the UK with various health conditions, including blood clots, infections, heart disease, diabetes, and more. The samples will be used to develop and fine-tune new diagnostic tests for the cobas® lumira device, which allo…

This pilot study will test whether a modified ultrasound technique can accurately measure disease activity in people with moderate-to-severe ulcerative colitis. Researchers will compare ultrasound results with standard colonoscopy findings in 25 patients starting a new treatment.…

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 looks at whether a simple intestinal ultrasound can accurately measure disease activity in people with active ulcerative colitis, compared to the standard colonoscopy. Researchers will enroll 200 adults with active UC to see if the ultrasound scores match the colonosco…

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 looks at whether measuring visceral fat (belly fat) using CT scans can predict how well ulcerative colitis patients respond to biologic therapy. Researchers will follow 200 adults with active ulcerative colitis for 6 months, tracking changes in fat volume and treatment…

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 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…