Clinical trials
Phase 2/3 trials in the United Kingdom
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
495 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 2 |
| 2001 | 8 |
| 2002 | 4 |
| 2003 | 8 |
| 2004 | 14 |
| 2005 | 12 |
| 2006 | 19 |
| 2007 | 13 |
| 2008 | 11 |
| 2009 | 21 |
| 2010 | 16 |
| 2011 | 22 |
| 2012 | 19 |
| 2013 | 13 |
| 2014 | 15 |
| 2015 | 24 |
| 2016 | 22 |
| 2017 | 17 |
| 2018 | 22 |
| 2019 | 20 |
| 2020 | 30 |
| 2021 | 29 |
| 2022 | 35 |
| 2023 | 24 |
| 2024 | 25 |
| 2025 | 22 |
| 2026 | 20 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 246 |
| Recruiting | 80 |
| Terminated | 66 |
| Active, not recruiting | 48 |
| Unknown status | 38 |
| Enrolling by invitation | 8 |
| Suspended | 5 |
| Withdrawn | 4 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Bristol-Myers Squibb | 14 |
| Pfizer | 12 |
| Novartis Pharmaceuticals | 10 |
| University College, London | 9 |
| AstraZeneca | 8 |
| Cancer Research UK | 8 |
| Janssen Research & Development, LLC | 8 |
| Merck Sharp & Dohme LLC | 8 |
| Hoffmann-La Roche | 7 |
| AbbVie | 6 |
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 |
|---|---|
| COVID-19 | 18 |
| Neoplasms | 17 |
| Alzheimer Disease | 16 |
| Carcinoma, Non-Small-Cell Lung | 15 |
| Neoplasm Metastasis | 12 |
| Dementia | 11 |
| Colorectal Neoplasms | 10 |
| Lung Neoplasms | 10 |
| HIV Infections | 9 |
| Heart Failure | 9 |
Trials
Showing 51 to 75 of 495. Each trial links to its page on Pharma Observatory.
395 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.