Clinical trials
Observational trials in Brazil with unknown status
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
276 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2004 | 1 |
| 2005 | 1 |
| 2006 | 4 |
| 2007 | 8 |
| 2008 | 8 |
| 2009 | 12 |
| 2010 | 12 |
| 2011 | 17 |
| 2012 | 12 |
| 2013 | 18 |
| 2014 | 9 |
| 2015 | 15 |
| 2016 | 21 |
| 2017 | 15 |
| 2018 | 13 |
| 2019 | 14 |
| 2020 | 31 |
| 2021 | 24 |
| 2022 | 21 |
| 2023 | 14 |
| 2024 | 5 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Unknown status | 276 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| University of Sao Paulo General Hospital | 29 |
| University of Sao Paulo | 28 |
| Hospital de Clinicas de Porto Alegre | 14 |
| Federal University of São Paulo | 11 |
| D'Or Institute for Research and Education | 8 |
| Hospital Israelita Albert Einstein | 8 |
| Oswaldo Cruz Foundation | 7 |
| Rio de Janeiro State University | 5 |
| The Immunobiological Technology Institute (Bio-Manguinhos) / Oswaldo Cruz Foundation (Fiocruz) | 5 |
| University of Campinas, Brazil | 5 |
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 | 23 |
| Neoplasms | 8 |
| Breast Neoplasms | 7 |
| Heart Failure | 7 |
| Sleep Apnea, Obstructive | 7 |
| Coronary Artery Disease | 6 |
| Obesity | 6 |
| Stroke | 6 |
| Coronavirus Infections | 5 |
| Critical Illness | 5 |
Trials
Showing 1 to 25 of 276. Each trial links to its page on Pharma Observatory.
176 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
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