Phase 2 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:
- People who are able to give informed consent to participate
- People who have been diagnosed with ulcerative colitis (UC) for more than 3 months
- People whose UC has affected at least 15 cm of the colon, as confirmed by a colonoscopy
- People whose disease is currently active, shown by a stool test result (calprotectin) above 200
- People who are currently taking mesalamine or sulfasalazine for their UC
- People who also have a liver condition called primary sclerosing cholangitis (PSC) may still be eligible (confirm with trial site)
Who may not be able to join:
- People with uncontrolled high blood pressure (systolic above 140 or diastolic above 90)
- People with significant kidney disease, where the kidneys are not filtering blood well enough (GFR below 55 mL/min)
- People with reduced liver function, unless the cause is PSC
- People with a current bowel infection caused by a bacteria called Clostridioides difficile (a negative test within the past month is acceptable)
- People with a bowel infection or colitis caused by an infection or a medication
- People diagnosed with Crohn's disease or a form of colitis that is uncertain or unclassified
- People with severe, advanced liver disease
- People who are currently pregnant or breastfeeding
- People who are using rectal treatments (such as suppositories or enemas) for their condition
- People who have been diagnosed with cancer within the past 5 years
- People with immune system conditions, either present from birth or developed later in life
- People with diabetes or systemic lupus
- People for whom surgery to remove the colon is considered likely within the next 2 months
- People who have taken part in another treatment clinical trial in the past 30 days, or who are currently in another trial
- People with a history of, or known risk factors for, heart conditions including irregular heartbeat, long QT syndrome, heart failure, stroke, or coronary artery disease
- People who have taken certain medications recently, including Vitamin C, prednisone, immune-suppressing drugs (such as azathioprine, 6-mercaptopurine, tacrolimus, cyclosporine, and others), or biologic or advanced therapies (such as anti-TNF agents, vedolizumab, ustekinumab, risankizumab, mirikizumab, tofacitinib, upadacitinib, or etrasimod) within the past 6 weeks
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.
Contact this trial
Phone: 617 732-6389
Contact details sourced from ClinicalTrials.gov. Verify directly with the trial site before attending.
GP referral letter
Print a one-page summary to share with your doctor.
Trial details
Where this trial is recruiting
Primary endpoints
Reduction of H2S metabolites in plasma
Can't join this trial?
Data last synced from ClinicalTrials.gov: 26 July 2026. Trial status can change. Always verify current status directly with the trial site before making any decision.