Phase 4 Crohn's Disease and Colitis Trial, Recruiting
Who may be able to join
AI generated eligibility summary. Written by an AI model from the official source data and checked on a sample basis. It can contain mistakes, so confirm anything important against the original source. How we use AI
Who might be able to join this trial:
- You are a man or woman between 18 and 85 years old (inclusive).
- You have been diagnosed with ulcerative colitis (UC) for at least 90 days, confirmed by a colonoscopy and tissue sample results from the past year.
- You have moderate active UC, confirmed by a specific disease activity score (called a Mayo score) of 6 to 10 at the time of screening.
- You are planned to start treatment with a medication called Vedolizumab for the first time, or are restarting it after not having used it for at least one year.
- Despite trying at least one of the following treatments, your UC has not responded well enough, has stopped responding, or you could not tolerate it: (1) oral aminosalicylate medications (such as mesalamine, sulfasalazine, olsalazine, or balsalazide) taken at standard doses for at least 4 weeks; or (2) immune-suppressing medications (such as azathioprine, 6-mercaptopurine, or methotrexate injections) taken for at least 42 consecutive days at minimum recommended doses.
- Your doses of oral aminosalicylate or immune-suppressing medications have been stable for at least 2 weeks before screening.
- You are willing and able to follow all the rules and restrictions of the study.
- You are willing and able to fill in a daily symptom diary throughout the study.
- You are willing and able to attend all required study visits and phone check-ins.
Who may not be able to join:
- You have been diagnosed with Crohn's disease, a type of colitis that cannot be clearly identified, or another form of colitis.
- Your UC affects only the rectum (the last section of the bowel, less than 15 cm from the anal opening).
- You started taking steroid medications within 2 weeks before your screening visit.
- You used antibiotics for a bowel or other infection within 2 weeks before screening.
- You have used any probiotic supplements within 2 weeks before joining the study.
- You have used rectal (suppository or enema) aminosalicylate medications within 1 week before screening.
- Your oral aminosalicylate or immune-suppressing medication doses were changed due to worsening disease between your colonoscopy screening and enrollment.
- You have taken anti-inflammatory painkillers (NSAIDs, such as ibuprofen) or anti-diarrhea medications for 5 days in a row within 1 week before screening.
- You had a positive test result for a gut infection called Clostridioides difficile within the past month before screening.
- You are pregnant or breastfeeding.
- You are currently using or have previously used other biologic medications or advanced therapies for your condition.
- You have a known allergy to maltose (a type of sugar), cornstarch, or silica.
- You have serious problems with your heart, liver, lungs, kidneys, or blood, or have conditions such as cancer, AIDS, asthma, kidney stones, or kidney problems; or your blood or urine tests show certain abnormal results (confirm with trial site for specific values).
Important: Always verify eligibility with the trial site directly before applying.
Based on publicly available eligibility criteria from ClinicalTrials.gov. Verify directly with the trial site before acting. This is not medical advice.
GP referral letter
Print a one-page summary to share with your doctor.
Trial details
Where this trial is recruiting
Primary endpoints
Clinical Response rate at week 6
Can't join this trial?
Data last synced from ClinicalTrials.gov: 21 July 2026. Trial status can change. Always verify current status directly with the trial site before making any decision.