Clinical trials
Completed Phase 1 trials in the United Kingdom
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
2,275 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 5 |
| 2001 | 8 |
| 2002 | 12 |
| 2003 | 12 |
| 2004 | 21 |
| 2005 | 36 |
| 2006 | 48 |
| 2007 | 77 |
| 2008 | 85 |
| 2009 | 124 |
| 2010 | 132 |
| 2011 | 125 |
| 2012 | 115 |
| 2013 | 142 |
| 2014 | 184 |
| 2015 | 166 |
| 2016 | 146 |
| 2017 | 152 |
| 2018 | 131 |
| 2019 | 114 |
| 2020 | 92 |
| 2021 | 114 |
| 2022 | 84 |
| 2023 | 51 |
| 2024 | 42 |
| 2025 | 25 |
| 2026 | 7 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 2,275 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| AstraZeneca | 225 |
| GlaxoSmithKline | 199 |
| University of Oxford | 66 |
| Hoffmann-La Roche | 61 |
| Novartis Pharmaceuticals | 50 |
| Eli Lilly and Company | 49 |
| Pfizer | 44 |
| Novo Nordisk A/S | 41 |
| Imperial College London | 29 |
| H. Lundbeck A/S | 27 |
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 |
|---|---|
| Neoplasms | 122 |
| Pulmonary Disease, Chronic Obstructive | 83 |
| Asthma | 66 |
| Carcinoma, Non-Small-Cell Lung | 44 |
| Breast Neoplasms | 39 |
| Diabetes Mellitus | 36 |
| Diabetes Mellitus, Type 2 | 35 |
| Neoplasm Metastasis | 33 |
| Malaria | 30 |
| HIV Infections | 28 |
Trials
Showing 1 to 25 of 2,275. Each trial links to its page on Pharma Observatory.
2,175 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.