Clinical trials
Withdrawn Observational trials in the United Kingdom
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
105 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2001 | 2 |
| 2002 | 2 |
| 2003 | 1 |
| 2004 | 2 |
| 2005 | 4 |
| 2006 | 1 |
| 2007 | 1 |
| 2008 | 1 |
| 2009 | 2 |
| 2010 | 4 |
| 2011 | 3 |
| 2013 | 3 |
| 2014 | 5 |
| 2015 | 3 |
| 2016 | 5 |
| 2017 | 5 |
| 2018 | 2 |
| 2019 | 8 |
| 2020 | 11 |
| 2021 | 10 |
| 2022 | 5 |
| 2023 | 8 |
| 2024 | 8 |
| 2025 | 4 |
| 2026 | 2 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Withdrawn | 105 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Imperial College London | 17 |
| Barts & The London NHS Trust | 7 |
| Manchester University NHS Foundation Trust | 4 |
| University of Edinburgh | 4 |
| Guy's and St Thomas' NHS Foundation Trust | 3 |
| Oxford University Hospitals NHS Trust | 3 |
| Royal Brompton & Harefield NHS Foundation Trust | 3 |
| University of Nottingham | 3 |
| London North West Healthcare NHS Trust | 2 |
| Public Health England | 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 |
|---|---|
| Pulmonary Disease, Chronic Obstructive | 9 |
| Arthritis | 4 |
| COVID-19 | 4 |
| Coronary Artery Disease | 3 |
| Heart Failure | 3 |
| Asthma | 2 |
| Atrial Fibrillation | 2 |
| Diabetes Mellitus | 2 |
| Disease | 2 |
| Hypertension | 2 |
Trials
Showing 1 to 25 of 105. Each trial links to its page on Pharma Observatory.
5 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.