Clinical trials
Completed Observational Crohn Disease trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
300 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2001 | 1 |
| 2002 | 3 |
| 2003 | 6 |
| 2004 | 3 |
| 2005 | 5 |
| 2006 | 4 |
| 2007 | 11 |
| 2008 | 5 |
| 2009 | 7 |
| 2010 | 16 |
| 2011 | 21 |
| 2012 | 14 |
| 2013 | 16 |
| 2014 | 15 |
| 2015 | 20 |
| 2016 | 14 |
| 2017 | 17 |
| 2018 | 20 |
| 2019 | 24 |
| 2020 | 18 |
| 2021 | 19 |
| 2022 | 14 |
| 2023 | 16 |
| 2024 | 5 |
| 2025 | 1 |
| 2026 | 1 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 300 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Takeda | 27 |
| Second Affiliated Hospital of Wenzhou Medical University | 12 |
| AbbVie | 10 |
| Sixth Affiliated Hospital, Sun Yat-sen University | 9 |
| Merck Sharp & Dohme LLC | 8 |
| AbbVie (prior sponsor, Abbott) | 7 |
| University Hospital, Lille | 7 |
| University of Erlangen-Nürnberg Medical School | 6 |
| Pfizer | 5 |
| University Hospital, Montpellier | 5 |
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 |
|---|---|
| Crohn Disease | 300 |
| Colitis, Ulcerative | 143 |
| Inflammatory Bowel Diseases | 110 |
| Arthritis, Rheumatoid | 24 |
| Arthritis, Psoriatic | 15 |
| Spondylitis, Ankylosing | 15 |
| Psoriasis | 14 |
| Celiac Disease | 7 |
| Colorectal Neoplasms | 7 |
| Irritable Bowel Syndrome | 7 |
Trials
Showing 1 to 25 of 300. Each trial links to its page on Pharma Observatory.
200 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.
No changes to these trials in the last 7 days.
Go deeper on Pharma Observatory
Pharma Observatory connects clinical trials, sponsors, sites and investigators in one searchable platform.