Clinical trials
Withdrawn Phase 4 trials in the United Kingdom
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
39 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2004 | 1 |
| 2005 | 2 |
| 2006 | 2 |
| 2007 | 3 |
| 2008 | 5 |
| 2009 | 4 |
| 2010 | 3 |
| 2012 | 3 |
| 2013 | 1 |
| 2014 | 2 |
| 2015 | 1 |
| 2016 | 3 |
| 2017 | 1 |
| 2020 | 3 |
| 2022 | 1 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Withdrawn | 39 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Imperial College London | 7 |
| University of Dundee | 3 |
| Hull University Teaching Hospitals NHS Trust | 2 |
| Wyeth is now a wholly owned subsidiary of Pfizer | 2 |
| Bayer | 1 |
| Belpharma s.a. | 1 |
| Brian J Lipworth | 1 |
| Chelsea and Westminster NHS Foundation Trust | 1 |
| Eastbourne General Hospital | 1 |
| Guy's and St Thomas' NHS Foundation Trust | 1 |
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 |
|---|---|
| Coronary Artery Disease | 3 |
| Pulmonary Disease, Chronic Obstructive | 3 |
| Angina Pectoris | 2 |
| Asthma | 2 |
| Cough | 2 |
| Hemophilia A | 2 |
| Rhinitis, Allergic | 2 |
| Acquired Immunodeficiency Syndrome | 1 |
| Arrhythmias, Cardiac | 1 |
| Arthritis, Rheumatoid | 1 |
Trials
Showing 1 to 25 of 39. Each trial links to its page on Pharma Observatory.
Recently changed trials
Changes observed in the last 7 days, newest first, site-count changes left out. Source: ClinicalTrials.gov.
No changes to these trials in the last 7 days.
Go deeper on Pharma Observatory
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