Clinical trials
Phase 4 trials in Portugal
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
171 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2001 | 1 |
| 2002 | 1 |
| 2003 | 5 |
| 2004 | 7 |
| 2005 | 6 |
| 2006 | 16 |
| 2007 | 7 |
| 2008 | 9 |
| 2009 | 5 |
| 2010 | 11 |
| 2011 | 6 |
| 2012 | 5 |
| 2013 | 10 |
| 2014 | 7 |
| 2015 | 9 |
| 2016 | 6 |
| 2017 | 8 |
| 2018 | 6 |
| 2019 | 9 |
| 2020 | 6 |
| 2021 | 5 |
| 2022 | 5 |
| 2023 | 5 |
| 2024 | 4 |
| 2025 | 8 |
| 2026 | 2 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 130 |
| Recruiting | 14 |
| Terminated | 11 |
| Unknown status | 9 |
| Active, not recruiting | 4 |
| Not yet recruiting | 3 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Novartis Pharmaceuticals | 12 |
| Boehringer Ingelheim | 9 |
| Hoffmann-La Roche | 9 |
| Pfizer | 9 |
| Sanofi | 6 |
| Bayer | 5 |
| GlaxoSmithKline | 5 |
| Pfizer's Upjohn has merged with Mylan to form Viatris Inc. | 5 |
| Universidade do Porto | 5 |
| Association for Innovation and Biomedical Research on Light and Image | 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 |
|---|---|
| Arthritis, Rheumatoid | 7 |
| Multiple Sclerosis | 7 |
| Asthma | 6 |
| Diabetes Mellitus, Type 2 | 6 |
| Pulmonary Disease, Chronic Obstructive | 6 |
| Postoperative Pain | 5 |
| HIV Infections | 4 |
| Autoimmune Diseases | 3 |
| Cardiovascular Diseases | 3 |
| Coronary Artery Disease | 3 |
Trials
Showing 1 to 25 of 171. Each trial links to its page on Pharma Observatory.
71 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.
No changes to these trials in the last 7 days.
Go deeper on Pharma Observatory
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