Clinical trials
Completed Observational trials in Brazil
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
795 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 1 |
| 2001 | 4 |
| 2002 | 5 |
| 2003 | 11 |
| 2004 | 14 |
| 2005 | 9 |
| 2006 | 32 |
| 2007 | 41 |
| 2008 | 40 |
| 2009 | 49 |
| 2010 | 35 |
| 2011 | 40 |
| 2012 | 21 |
| 2013 | 29 |
| 2014 | 31 |
| 2015 | 45 |
| 2016 | 38 |
| 2017 | 63 |
| 2018 | 38 |
| 2019 | 50 |
| 2020 | 52 |
| 2021 | 45 |
| 2022 | 26 |
| 2023 | 27 |
| 2024 | 20 |
| 2025 | 11 |
| 2026 | 3 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 795 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| University of Sao Paulo | 68 |
| University of Sao Paulo General Hospital | 51 |
| AstraZeneca | 29 |
| Federal University of São Paulo | 26 |
| UPECLIN HC FM Botucatu Unesp | 21 |
| Latin American Cooperative Oncology Group | 20 |
| University of Campinas, Brazil | 18 |
| Hospital de Clinicas de Porto Alegre | 14 |
| Universidade Federal de Pernambuco | 14 |
| Hospital Israelita Albert Einstein | 13 |
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 | 28 |
| Obesity | 20 |
| Breast Neoplasms | 19 |
| HIV Infections | 19 |
| Neoplasms | 19 |
| Coronary Artery Disease | 16 |
| Disease | 14 |
| Sleep Apnea, Obstructive | 14 |
| Stroke | 13 |
| Cardiovascular Diseases | 12 |
Trials
Showing 1 to 25 of 795. Each trial links to its page on Pharma Observatory.
695 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.