Clinical trials
Terminated Observational trials in the United Kingdom
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
194 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2002 | 1 |
| 2004 | 1 |
| 2005 | 4 |
| 2008 | 6 |
| 2009 | 4 |
| 2010 | 10 |
| 2011 | 6 |
| 2012 | 8 |
| 2013 | 15 |
| 2014 | 12 |
| 2015 | 13 |
| 2016 | 13 |
| 2017 | 12 |
| 2018 | 10 |
| 2019 | 24 |
| 2020 | 13 |
| 2021 | 17 |
| 2022 | 7 |
| 2023 | 6 |
| 2024 | 9 |
| 2025 | 1 |
| 2026 | 2 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Terminated | 194 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Imperial College London | 8 |
| AstraZeneca | 5 |
| University of Leeds | 4 |
| University of Leicester | 4 |
| University of Oxford | 4 |
| Alexion Pharmaceuticals, Inc. | 3 |
| Gilead Sciences | 3 |
| Hoffmann-La Roche | 3 |
| Novartis Pharmaceuticals | 3 |
| Ourotech, Inc. | 3 |
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 |
|---|---|
| Heart Failure | 6 |
| Neoplasms | 6 |
| Aortic Aneurysm, Abdominal | 4 |
| Arthritis, Rheumatoid | 4 |
| Breast Neoplasms | 4 |
| COVID-19 | 4 |
| Cardiovascular Diseases | 4 |
| Coronary Artery Disease | 4 |
| Fractures, Bone | 4 |
| Hypertension | 4 |
Trials
Showing 1 to 25 of 194. Each trial links to its page on Pharma Observatory.
94 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.