Clinical trials
Observational trials in Brazil
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
1,386 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 2 |
| 2001 | 6 |
| 2002 | 6 |
| 2003 | 11 |
| 2004 | 16 |
| 2005 | 13 |
| 2006 | 37 |
| 2007 | 50 |
| 2008 | 52 |
| 2009 | 64 |
| 2010 | 53 |
| 2011 | 61 |
| 2012 | 38 |
| 2013 | 51 |
| 2014 | 44 |
| 2015 | 66 |
| 2016 | 66 |
| 2017 | 86 |
| 2018 | 62 |
| 2019 | 74 |
| 2020 | 94 |
| 2021 | 86 |
| 2022 | 63 |
| 2023 | 73 |
| 2024 | 65 |
| 2025 | 66 |
| 2026 | 62 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 795 |
| Unknown status | 276 |
| Recruiting | 153 |
| Active, not recruiting | 52 |
| Terminated | 46 |
| Not yet recruiting | 37 |
| Enrolling by invitation | 17 |
| Withdrawn | 7 |
| Suspended | 3 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| University of Sao Paulo | 109 |
| University of Sao Paulo General Hospital | 95 |
| AstraZeneca | 53 |
| Federal University of São Paulo | 39 |
| Hospital de Clinicas de Porto Alegre | 35 |
| Hospital Israelita Albert Einstein | 34 |
| Latin American Cooperative Oncology Group | 28 |
| UPECLIN HC FM Botucatu Unesp | 27 |
| University of Campinas, Brazil | 25 |
| Universidade Federal de Pernambuco | 19 |
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 | 53 |
| Breast Neoplasms | 37 |
| Neoplasms | 34 |
| Obesity | 32 |
| Coronary Artery Disease | 29 |
| Stroke | 24 |
| Cardiovascular Diseases | 23 |
| Sleep Apnea, Obstructive | 23 |
| HIV Infections | 22 |
| Diabetes Mellitus, Type 2 | 21 |
Trials
Showing 76 to 100 of 1,386. Each trial links to its page on Pharma Observatory.
1,286 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.