Bowel Preparation for Colonoscopy Among Individuals With Crohn's and Ulcerative Colitis Disease.
Recruiting now Phase 4 NCT06298461
Run by University of Manitoba · for 18 and older · All sexes
What this study is about
The purpose of this study is to compare how effective and how tolerable two different bowel preparation laxatives are for colonoscopy. The aim is to compare oral sulfate solution (OSS) to another laxative called 2L polyethylene glycol (PEG) solution to see which is more effective and more tolerable by individuals with IBD (Crohn's disease or Ulcerative colitis).
Who can join (things the study team will check)
✅ You may be able to join if…
- Crohn's disease or ulcerative colitis patients scheduled or about to be scheduled for colonoscopy.
- Age > 18 years
- Out-patients
🚫 You may not be able to join if…
- Prior subtotal or total colorectal resection
- Contraindications to use of 2L polyethylene glycol (2L-PEG) or Oral Sulfate Solution (OSS): Known renal insufficiency, congestive heart failure, cirrhosis, severe electrolyte imbalance.
- Colonoscopy being repeated because of poor preparation in the preceding six months.
- Allergies to the employed bowel preparations
- Toxic megacolon, ileus, suspected or diagnosed bowel obstruction.
- IBD patients thought to be too sick to undergo a full colonoscopy preparation in the opinion of the investigator/treating physician; hospitalized crohn's disease or ulcerative colitis patients.
- Pregnancy
Where this trial is running
- University of Manitoba, Winnipeg, Manitoba, Canada
Who to contact
Jane Castelli · 289-880-3609 · jcast@mcmaster.ca
It's completely normal to call and ask questions before deciding anything. Mention the study ID: NCT06298461.
Verify everything on the official ClinicalTrials.gov record. Page updated July 2026.
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