Clinical trials
Observational Irritable Bowel Syndrome trials in the United States
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
54 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2007 | 3 |
| 2008 | 2 |
| 2009 | 6 |
| 2010 | 5 |
| 2011 | 2 |
| 2012 | 2 |
| 2013 | 2 |
| 2014 | 5 |
| 2015 | 1 |
| 2016 | 3 |
| 2017 | 4 |
| 2018 | 2 |
| 2019 | 2 |
| 2020 | 1 |
| 2021 | 1 |
| 2022 | 2 |
| 2023 | 3 |
| 2024 | 2 |
| 2025 | 4 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 31 |
| Recruiting | 7 |
| Terminated | 5 |
| Unknown status | 3 |
| Enrolling by invitation | 3 |
| Withdrawn | 2 |
| Suspended | 2 |
| Active, not recruiting | 1 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Mayo Clinic | 5 |
| Georgetown University | 3 |
| Indiana University | 3 |
| University of California, Los Angeles | 3 |
| University of North Carolina, Chapel Hill | 3 |
| American Laboratory Products Company | 2 |
| DiaSorin Inc. | 2 |
| ProgenaBiome | 2 |
| Viome | 2 |
| Atlantic Health System | 1 |
Top conditions
MeSH conditions the trials were registered with, not their broader categories. A condition with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Irritable Bowel Syndrome | 54 |
| Colitis, Ulcerative | 12 |
| Crohn Disease | 11 |
| Inflammatory Bowel Diseases | 10 |
| Constipation | 9 |
| Fibromyalgia | 8 |
| Celiac Disease | 7 |
| Diarrhea | 5 |
| Fatigue Syndrome, Chronic | 5 |
| Abdominal Pain | 4 |
Trials
Showing 1 to 25 of 54. Each trial links to its page on Pharma Observatory.
Recently changed trials
Changes observed in the last 7 days, newest first, site-count changes left out. Source: ClinicalTrials.gov.
No changes to these trials in the last 7 days.
Go deeper on Pharma Observatory
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