Clinical trials
Observational Colitis, Ulcerative trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
555 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 2 |
| 2002 | 2 |
| 2003 | 5 |
| 2004 | 2 |
| 2005 | 3 |
| 2006 | 3 |
| 2007 | 9 |
| 2008 | 5 |
| 2009 | 17 |
| 2010 | 13 |
| 2011 | 16 |
| 2012 | 15 |
| 2013 | 19 |
| 2014 | 15 |
| 2015 | 25 |
| 2016 | 27 |
| 2017 | 25 |
| 2018 | 33 |
| 2019 | 31 |
| 2020 | 31 |
| 2021 | 33 |
| 2022 | 46 |
| 2023 | 31 |
| 2024 | 44 |
| 2025 | 50 |
| 2026 | 47 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 245 |
| Recruiting | 97 |
| Unknown status | 91 |
| Not yet recruiting | 38 |
| Active, not recruiting | 27 |
| Terminated | 26 |
| Withdrawn | 15 |
| Enrolling by invitation | 12 |
| Suspended | 4 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Takeda | 24 |
| AbbVie | 19 |
| Pfizer | 16 |
| Assiut University | 14 |
| Second Affiliated Hospital of Wenzhou Medical University | 9 |
| Ferring Pharmaceuticals | 8 |
| IRCCS San Raffaele | 8 |
| Chinese University of Hong Kong | 7 |
| University of Erlangen-Nürnberg Medical School | 7 |
| Maastricht University Medical Center | 6 |
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 |
|---|---|
| Colitis, Ulcerative | 555 |
| Crohn Disease | 323 |
| Inflammatory Bowel Diseases | 244 |
| Arthritis, Rheumatoid | 28 |
| Irritable Bowel Syndrome | 24 |
| Spondylitis, Ankylosing | 23 |
| Arthritis, Psoriatic | 22 |
| Psoriasis | 20 |
| Colorectal Neoplasms | 15 |
| Celiac Disease | 13 |
Trials
Showing 1 to 25 of 555. Each trial links to its page on Pharma Observatory.
455 more trials match. See them on Pharma Observatory
Recently changed trials
Changes observed in the last 7 days, newest first, site-count changes left out. Source: ClinicalTrials.gov.
Go deeper on Pharma Observatory
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