Clinical trials
Trials in Brazil with unknown status
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
2,005 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 | 139 |
| 2020 | 147 |
| 2021 | 141 |
| 2022 | 115 |
| 2023 | 96 |
| 2024 | 47 |
| 2025 | 1 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Unknown status | 2,005 |
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 1 to 25 of 2,005. Each trial links to its page on Pharma Observatory.
1,905 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.