Condition
IBD-unclassified (IBD-U) clinical trials and research
As of November 12, 2026, Find a Trial lists 3 IBD-unclassified (IBD-U) clinical trials that are recruiting, at sites in 3 countries (most in United States (1), Canada (1), Austria (1)). Every study is explained in plain English. Data from ClinicalTrials.gov and NIH RePORTER, updated November 12, 2026.
- 3Clinical trials
- 3Countries
Newest IBD-unclassified (IBD-U) clinical trials
| Study | Phase | Where | Status | Registered |
|---|---|---|---|---|
| Switching to guselkumab for adults with active IBD after ustekinumab | — | Calgary, Alberta and 13 other locations | Recruiting | Nov 24, 2025 |
| Monitoring drug levels in children with inflammatory bowel disease | — | Feldkirch and 9 other locations | Recruiting | May 1, 2025 |
| Tracking family members at risk for inflammatory bowel disease | — | Boston, Massachusetts | Recruiting | Oct 23, 2024 |
All recruiting trials (3)
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Switching to guselkumab for adults with active IBD after ustekinumab
We will try guselkumab (Tremfya) in adults with active IBD whose symptoms didn't improve enough on ustekinumab.
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Monitoring drug levels in children with inflammatory bowel disease
This study is testing how well certain medications work for children with inflammatory bowel disease by checking their drug levels during treatment.
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Tracking family members at risk for inflammatory bowel disease
This study is trying to see if tracking family members of people with inflammatory bowel disease can help find out who is at risk of developing it and how to prevent it.
Related topics
Quick answers
How many IBD-unclassified (IBD-U) clinical trials are recruiting right now?
3, as of November 12, 2026. We update this list each time we refresh our data from ClinicalTrials.gov.
Where are these trials running?
In 3 countries. The most sites are in United States (1 trial), Canada (1 trial), Austria (1 trial). Each study page lists its sites and which ones are recruiting.
How do I join one?
Open a study, check the "Is this trial a fit for you?" section, then contact the study team listed on the page. They will ask a few screening questions. Asking is free and does not commit you to anything. Talk it over with your doctor first.
Find the studies that fit you
A list is a starting point. Tell us your situation in your own words and we'll rank the studies that match and explain why. It's free and needs no account.