Clinical trials
Completed Observational trials in Portugal
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
379 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2002 | 1 |
| 2003 | 3 |
| 2004 | 3 |
| 2005 | 4 |
| 2006 | 3 |
| 2007 | 8 |
| 2008 | 15 |
| 2009 | 16 |
| 2010 | 18 |
| 2011 | 17 |
| 2012 | 25 |
| 2013 | 15 |
| 2014 | 25 |
| 2015 | 30 |
| 2016 | 19 |
| 2017 | 14 |
| 2018 | 19 |
| 2019 | 29 |
| 2020 | 30 |
| 2021 | 35 |
| 2022 | 19 |
| 2023 | 17 |
| 2024 | 7 |
| 2025 | 5 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 379 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Association for Innovation and Biomedical Research on Light and Image | 22 |
| AstraZeneca | 19 |
| Bayer | 16 |
| Hoffmann-La Roche | 12 |
| Universidade do Porto | 12 |
| Ipsen | 8 |
| Novo Nordisk A/S | 7 |
| Abbott Medical Devices | 6 |
| Biogen | 6 |
| AbbVie | 5 |
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 |
|---|---|
| Atrial Fibrillation | 13 |
| Diabetic Retinopathy | 13 |
| Multiple Sclerosis | 12 |
| Macular Degeneration | 10 |
| COVID-19 | 9 |
| Diabetes Mellitus, Type 2 | 9 |
| Coronary Artery Disease | 7 |
| Diabetes Mellitus | 7 |
| Arrhythmias, Cardiac | 6 |
| Arthritis, Rheumatoid | 6 |
Trials
Showing 1 to 25 of 379. Each trial links to its page on Pharma Observatory.
279 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
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