Clinical trials
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.
7,409 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 5 |
| 2001 | 10 |
| 2002 | 17 |
| 2003 | 34 |
| 2004 | 40 |
| 2005 | 59 |
| 2006 | 62 |
| 2007 | 83 |
| 2008 | 87 |
| 2009 | 153 |
| 2010 | 181 |
| 2011 | 190 |
| 2012 | 233 |
| 2013 | 284 |
| 2014 | 388 |
| 2015 | 371 |
| 2016 | 483 |
| 2017 | 555 |
| 2018 | 551 |
| 2019 | 564 |
| 2020 | 372 |
| 2021 | 514 |
| 2022 | 511 |
| 2023 | 493 |
| 2024 | 453 |
| 2025 | 386 |
| 2026 | 283 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 4,510 |
| Unknown status | 1,228 |
| Recruiting | 633 |
| Terminated | 333 |
| Active, not recruiting | 297 |
| Not yet recruiting | 176 |
| Withdrawn | 152 |
| Enrolling by invitation | 45 |
| Suspended | 35 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Imperial College London | 280 |
| King's College London | 248 |
| University of Nottingham | 219 |
| University of Oxford | 192 |
| University College, London | 181 |
| University of Edinburgh | 128 |
| University of Reading | 121 |
| Northumbria University | 119 |
| NHS Greater Glasgow and Clyde | 105 |
| University of Manchester | 104 |
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 | 225 |
| Anxiety Disorders | 155 |
| Cardiovascular Diseases | 150 |
| Diabetes Mellitus, Type 2 | 148 |
| Stroke | 146 |
| Heart Failure | 139 |
| Diabetes Mellitus | 137 |
| Neoplasms | 126 |
| Atrial Fibrillation | 121 |
| Pulmonary Disease, Chronic Obstructive | 117 |
Trials
Showing 1 to 25 of 7,409. Each trial links to its page on Pharma Observatory.
7,309 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.
Go deeper on Pharma Observatory
Pharma Observatory connects clinical trials, sponsors, sites and investigators in one searchable platform.