Clinical trials
Withdrawn trials in the United Kingdom with no applicable phase
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
152 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2003 | 2 |
| 2005 | 2 |
| 2006 | 2 |
| 2008 | 1 |
| 2009 | 3 |
| 2010 | 5 |
| 2011 | 7 |
| 2012 | 8 |
| 2013 | 7 |
| 2014 | 9 |
| 2015 | 9 |
| 2016 | 9 |
| 2017 | 5 |
| 2018 | 7 |
| 2019 | 18 |
| 2020 | 13 |
| 2021 | 13 |
| 2022 | 14 |
| 2023 | 4 |
| 2024 | 6 |
| 2025 | 1 |
| 2026 | 4 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Withdrawn | 152 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Imperial College London | 13 |
| Queen Mary University of London | 5 |
| Hull University Teaching Hospitals NHS Trust | 4 |
| Manchester University NHS Foundation Trust | 4 |
| Oxford University Hospitals NHS Trust | 4 |
| University of Exeter | 4 |
| Barts & The London NHS Trust | 3 |
| King's College London | 3 |
| Liverpool Heart and Chest Hospital NHS Foundation Trust | 3 |
| Sheffield Teaching Hospitals NHS Foundation Trust | 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 |
|---|---|
| Anxiety Disorders | 4 |
| Atrial Fibrillation | 4 |
| Diabetes Mellitus, Type 2 | 4 |
| Asthma | 3 |
| Diabetes Mellitus | 3 |
| Diabetes Mellitus, Type 1 | 3 |
| Hearing Loss | 3 |
| Mental Disorders | 3 |
| Myocardial Infarction | 3 |
| Neoplasms | 3 |
Trials
Showing 1 to 25 of 152. Each trial links to its page on Pharma Observatory.
52 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.