Clinical trials
Trials in Portugal
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
4,023 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 14 |
| 2001 | 30 |
| 2002 | 38 |
| 2003 | 48 |
| 2004 | 64 |
| 2005 | 62 |
| 2006 | 94 |
| 2007 | 69 |
| 2008 | 107 |
| 2009 | 89 |
| 2010 | 95 |
| 2011 | 101 |
| 2012 | 133 |
| 2013 | 115 |
| 2014 | 142 |
| 2015 | 156 |
| 2016 | 133 |
| 2017 | 180 |
| 2018 | 209 |
| 2019 | 225 |
| 2020 | 230 |
| 2021 | 287 |
| 2022 | 284 |
| 2023 | 281 |
| 2024 | 287 |
| 2025 | 289 |
| 2026 | 188 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 2,181 |
| Recruiting | 550 |
| Active, not recruiting | 421 |
| Unknown status | 344 |
| Terminated | 340 |
| Not yet recruiting | 104 |
| Enrolling by invitation | 52 |
| Withdrawn | 19 |
| Approved for marketing | 5 |
| Suspended | 4 |
| No longer available | 3 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Hoffmann-La Roche | 166 |
| Universidade do Porto | 159 |
| Novartis Pharmaceuticals | 139 |
| Boehringer Ingelheim | 119 |
| Sanofi | 116 |
| AstraZeneca | 95 |
| Bayer | 94 |
| University of Coimbra | 75 |
| AbbVie | 73 |
| Pfizer | 72 |
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 | 156 |
| Neoplasms | 92 |
| Carcinoma, Non-Small-Cell Lung | 91 |
| Diabetes Mellitus, Type 2 | 82 |
| Heart Failure | 69 |
| Obesity | 67 |
| Arthritis, Rheumatoid | 59 |
| HIV Infections | 57 |
| Neoplasm Metastasis | 56 |
| Multiple Sclerosis | 54 |
Trials
Showing 51 to 75 of 4,023. Each trial links to its page on Pharma Observatory.
3,923 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.