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| Withdrawn | 15 |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 51 to 75 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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