Phase 2 Crohn's Disease and Colitis Trial, Recruiting NCT06420375 Sponsor: Brigham and Women's Hospital Condition: Crohn's Disease and Colitis
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Phase 2 Crohn's Disease and Colitis Trial, Recruiting

NCT06420375
Recruiting Phase 2

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.

This is a simplified plain English summary of the eligibility criteria. Full criteria are set by the trial investigators and may include additional requirements not shown here. Never self-exclude from a trial based on this summary. Contact the trial site directly to confirm your eligibility.
Last synced 26 July 2026
Phase 2: approximately ~30% of drugs entering this phase reach regulatory approval, based on published industry-wide historical data. This is not specific to this trial.
Phase success rates shown are historical industry-wide averages based on published data. They are not a prediction for this specific trial or your individual situation.

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

Status
Recruiting
Phase
Phase 2
Registry
ClinicalTrials.gov
Start date
27 May 2025
Est. completion
1 December 2026

Where this trial is recruiting

🇺🇸 United States

Primary endpoints

Reduction of H2S metabolites in plasma

Can't join this trial?

Expanded access pathways

If this trial is not available to you, other access pathways may exist. In Australia, the TGA Special Access Scheme allows access to unapproved therapeutic goods for individual patients.

TGA Special Access Scheme information

Find other recruiting trials on ClinicalTrials.gov

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.

Trial recruitment status can change without notice between our nightly data updates. Always contact the trial site directly to confirm current recruitment status before making any decisions or travel arrangements.

View original record on ClinicalTrials.gov