Clinical trials
Trials in Brazil with unknown status
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
2,003 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2003 | 1 |
| 2004 | 3 |
| 2005 | 11 |
| 2006 | 27 |
| 2007 | 32 |
| 2008 | 47 |
| 2009 | 64 |
| 2010 | 81 |
| 2011 | 115 |
| 2012 | 89 |
| 2013 | 121 |
| 2014 | 126 |
| 2015 | 126 |
| 2016 | 134 |
| 2017 | 175 |
| 2018 | 157 |
| 2019 | 138 |
| 2020 | 147 |
| 2021 | 141 |
| 2022 | 115 |
| 2023 | 95 |
| 2024 | 47 |
| 2025 | 1 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Unknown status | 2,003 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| University of Sao Paulo | 222 |
| University of Sao Paulo General Hospital | 195 |
| Hospital de Clinicas de Porto Alegre | 170 |
| Federal University of São Paulo | 100 |
| University of Nove de Julho | 49 |
| Universidade Federal de Pernambuco | 46 |
| Federal University of Health Science of Porto Alegre | 30 |
| Federal University of Paraíba | 29 |
| Federal University of Rio Grande do Sul | 29 |
| Instituto do Cancer do Estado de São Paulo | 29 |
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 | 81 |
| Obesity | 56 |
| Heart Failure | 54 |
| Pain | 54 |
| Stroke | 47 |
| Diabetes Mellitus | 40 |
| Hypertension | 38 |
| Inflammation | 37 |
| Breast Neoplasms | 32 |
| Parkinson Disease | 32 |
Trials
Showing 51 to 75 of 2,003. Each trial links to its page on Pharma Observatory.
1,903 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
Pharma Observatory connects clinical trials, sponsors, sites and investigators in one searchable platform.