Clinical trials
Observational trials in Portugal with unknown status
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
99 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2002 | 2 |
| 2008 | 1 |
| 2009 | 1 |
| 2011 | 3 |
| 2012 | 4 |
| 2013 | 4 |
| 2014 | 4 |
| 2015 | 3 |
| 2016 | 1 |
| 2017 | 10 |
| 2018 | 8 |
| 2019 | 7 |
| 2020 | 15 |
| 2021 | 9 |
| 2022 | 11 |
| 2023 | 9 |
| 2024 | 7 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Unknown status | 99 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Universidade do Porto | 21 |
| Universidade Nova de Lisboa | 8 |
| Implantology Institute | 5 |
| Centro Hospitalar Universitario do Algarve | 3 |
| Centro Hospitalar de Lisboa Central | 3 |
| Centro Hospitalar de Vila Nova de Gaia/Espinho, E.P.E. | 2 |
| Centro Hospitalar do Porto | 2 |
| Egas Moniz - Cooperativa de Ensino Superior, CRL | 2 |
| Hospices Civils de Lyon | 2 |
| Portuguese Society of Cardiology | 2 |
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 |
|---|---|
| COVID-19 | 5 |
| Coronary Artery Disease | 5 |
| Fatigue | 4 |
| Neoplasms | 4 |
| Colorectal Neoplasms | 3 |
| Coronavirus Infections | 3 |
| Shoulder Pain | 3 |
| Arthritis, Rheumatoid | 2 |
| Asthma | 2 |
| Atrial Fibrillation | 2 |
Trials
Showing 1 to 25 of 99. 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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