Clinical trials
Completed trials in Portugal
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
2,181 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 12 |
| 2001 | 23 |
| 2002 | 32 |
| 2003 | 43 |
| 2004 | 57 |
| 2005 | 48 |
| 2006 | 79 |
| 2007 | 58 |
| 2008 | 91 |
| 2009 | 72 |
| 2010 | 82 |
| 2011 | 82 |
| 2012 | 104 |
| 2013 | 93 |
| 2014 | 101 |
| 2015 | 125 |
| 2016 | 103 |
| 2017 | 108 |
| 2018 | 126 |
| 2019 | 131 |
| 2020 | 113 |
| 2021 | 136 |
| 2022 | 120 |
| 2023 | 91 |
| 2024 | 61 |
| 2025 | 41 |
| 2026 | 3 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 2,181 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Hoffmann-La Roche | 110 |
| Boehringer Ingelheim | 89 |
| Novartis Pharmaceuticals | 82 |
| Sanofi | 80 |
| Bayer | 72 |
| Universidade do Porto | 69 |
| AstraZeneca | 53 |
| Pfizer | 44 |
| Bial - Portela C S.A. | 41 |
| AbbVie | 39 |
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 |
|---|---|
| Breast Neoplasms | 75 |
| Diabetes Mellitus, Type 2 | 53 |
| Neoplasms | 45 |
| HIV Infections | 44 |
| Arthritis, Rheumatoid | 42 |
| Parkinson Disease | 40 |
| Multiple Sclerosis | 39 |
| Carcinoma, Non-Small-Cell Lung | 37 |
| Epilepsy | 34 |
| Heart Failure | 34 |
Trials
Showing 1 to 25 of 2,181. Each trial links to its page on Pharma Observatory.
2,081 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.