Clinical trials
Completed Phase 3 trials in the United Kingdom
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
3,380 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 31 |
| 2001 | 64 |
| 2002 | 61 |
| 2003 | 95 |
| 2004 | 114 |
| 2005 | 120 |
| 2006 | 157 |
| 2007 | 139 |
| 2008 | 169 |
| 2009 | 156 |
| 2010 | 170 |
| 2011 | 171 |
| 2012 | 185 |
| 2013 | 199 |
| 2014 | 180 |
| 2015 | 199 |
| 2016 | 155 |
| 2017 | 189 |
| 2018 | 186 |
| 2019 | 150 |
| 2020 | 111 |
| 2021 | 102 |
| 2022 | 67 |
| 2023 | 60 |
| 2024 | 29 |
| 2025 | 3 |
| 2026 | 1 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 3,380 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Novartis Pharmaceuticals | 181 |
| Hoffmann-La Roche | 167 |
| AstraZeneca | 126 |
| GlaxoSmithKline | 119 |
| Pfizer | 100 |
| Eli Lilly and Company | 96 |
| Sanofi | 94 |
| Novo Nordisk A/S | 93 |
| Boehringer Ingelheim | 86 |
| Bristol-Myers Squibb | 85 |
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 |
|---|---|
| Diabetes Mellitus, Type 2 | 148 |
| Breast Neoplasms | 115 |
| Diabetes Mellitus | 82 |
| Pulmonary Disease, Chronic Obstructive | 73 |
| Arthritis, Rheumatoid | 67 |
| Carcinoma, Non-Small-Cell Lung | 65 |
| Neoplasms | 63 |
| Prostatic Neoplasms | 57 |
| HIV Infections | 56 |
| Asthma | 55 |
Trials
Showing 1 to 25 of 3,380. Each trial links to its page on Pharma Observatory.
3,280 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.