Clinical trials
Trials in the United Kingdom with no applicable phase and unknown status
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
1,228 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2001 | 1 |
| 2002 | 6 |
| 2003 | 3 |
| 2004 | 5 |
| 2005 | 13 |
| 2006 | 11 |
| 2007 | 12 |
| 2008 | 6 |
| 2009 | 18 |
| 2010 | 24 |
| 2011 | 31 |
| 2012 | 22 |
| 2013 | 44 |
| 2014 | 62 |
| 2015 | 60 |
| 2016 | 77 |
| 2017 | 86 |
| 2018 | 89 |
| 2019 | 124 |
| 2020 | 97 |
| 2021 | 122 |
| 2022 | 113 |
| 2023 | 131 |
| 2024 | 59 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Unknown status | 1,228 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| King's College London | 61 |
| NHS Greater Glasgow and Clyde | 47 |
| University of Oxford | 42 |
| University College, London | 40 |
| Imperial College London | 38 |
| Guy's and St Thomas' NHS Foundation Trust | 35 |
| University of Nottingham | 30 |
| The Leeds Teaching Hospitals NHS Trust | 29 |
| Royal Marsden NHS Foundation Trust | 26 |
| University of Birmingham | 20 |
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 |
|---|---|
| Obesity | 41 |
| Breast Neoplasms | 31 |
| Neoplasms | 29 |
| Stroke | 28 |
| Anxiety Disorders | 27 |
| Diabetes Mellitus, Type 2 | 23 |
| Atrial Fibrillation | 21 |
| Prostatic Neoplasms | 20 |
| Cardiovascular Diseases | 19 |
| Diabetes Mellitus | 19 |
Trials
Showing 1 to 25 of 1,228. Each trial links to its page on Pharma Observatory.
1,128 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.