Clinical trials
Terminated Phase 1 trials in the United Kingdom
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
284 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2003 | 1 |
| 2005 | 1 |
| 2006 | 6 |
| 2007 | 7 |
| 2008 | 7 |
| 2009 | 13 |
| 2010 | 11 |
| 2011 | 12 |
| 2012 | 12 |
| 2013 | 10 |
| 2014 | 14 |
| 2015 | 16 |
| 2016 | 15 |
| 2017 | 25 |
| 2018 | 20 |
| 2019 | 23 |
| 2020 | 20 |
| 2021 | 31 |
| 2022 | 19 |
| 2023 | 11 |
| 2024 | 5 |
| 2025 | 4 |
| 2026 | 1 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Terminated | 284 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| GlaxoSmithKline | 34 |
| AstraZeneca | 23 |
| Novartis Pharmaceuticals | 10 |
| University of Oxford | 10 |
| Hoffmann-La Roche | 9 |
| Cancer Research UK | 6 |
| Bayer | 5 |
| Pfizer | 5 |
| Celgene | 4 |
| Debiopharm International SA | 4 |
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 |
|---|---|
| Carcinoma, Non-Small-Cell Lung | 23 |
| Neoplasms | 21 |
| Colorectal Neoplasms | 11 |
| Ovarian Neoplasms | 11 |
| Melanoma | 9 |
| Squamous Cell Carcinoma of Head and Neck | 9 |
| Leukemia, Myeloid, Acute | 8 |
| Arthritis, Rheumatoid | 7 |
| Asthma | 7 |
| Neoplasm Metastasis | 7 |
Trials
Showing 1 to 25 of 284. Each trial links to its page on Pharma Observatory.
184 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.