Clinical trials
Completed Observational Irritable Bowel Syndrome trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
91 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 1 |
| 2002 | 1 |
| 2004 | 1 |
| 2005 | 1 |
| 2007 | 3 |
| 2008 | 6 |
| 2009 | 6 |
| 2010 | 6 |
| 2011 | 10 |
| 2012 | 7 |
| 2013 | 4 |
| 2014 | 4 |
| 2015 | 4 |
| 2016 | 8 |
| 2017 | 10 |
| 2018 | 5 |
| 2019 | 1 |
| 2020 | 3 |
| 2021 | 1 |
| 2022 | 4 |
| 2024 | 1 |
| 2025 | 4 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 91 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| University of California, Los Angeles | 4 |
| Georgetown University | 3 |
| Mayo Clinic | 3 |
| University of North Carolina, Chapel Hill | 3 |
| University of Palermo | 3 |
| Aarhus University Hospital | 2 |
| Abbott | 2 |
| American Laboratory Products Company | 2 |
| Astellas Pharma Inc | 2 |
| AstraZeneca | 2 |
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 | 91 |
| Fibromyalgia | 12 |
| Inflammatory Bowel Diseases | 11 |
| Colitis, Ulcerative | 8 |
| Constipation | 8 |
| Abdominal Pain | 7 |
| Celiac Disease | 7 |
| Crohn Disease | 7 |
| Fatigue Syndrome, Chronic | 7 |
| Gastrointestinal Diseases | 6 |
Trials
Showing 1 to 25 of 91. 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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