Clinical trials
COVID-19 trials in Brazil
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
306 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2015 | 1 |
| 2018 | 1 |
| 2020 | 146 |
| 2021 | 100 |
| 2022 | 38 |
| 2023 | 9 |
| 2024 | 8 |
| 2025 | 3 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 161 |
| Unknown status | 81 |
| Terminated | 44 |
| Recruiting | 9 |
| Withdrawn | 4 |
| Suspended | 4 |
| Active, not recruiting | 2 |
| Enrolling by invitation | 1 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| D'Or Institute for Research and Education | 14 |
| University of Sao Paulo | 13 |
| University of Sao Paulo General Hospital | 12 |
| Hospital Israelita Albert Einstein | 11 |
| AstraZeneca | 7 |
| Butantan Institute | 7 |
| Pfizer | 7 |
| BioNTech SE | 6 |
| Azidus Brasil | 5 |
| Fundação de Medicina Tropical Dr. Heitor Vieira Dourado | 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 | 306 |
| Coronavirus Infections | 51 |
| Severe Acute Respiratory Syndrome | 22 |
| Pneumonia | 20 |
| Respiratory Distress Syndrome | 11 |
| Post-Acute COVID-19 Syndrome | 10 |
| Respiratory Tract Infections | 8 |
| Pneumonia, Viral | 7 |
| Virus Diseases | 7 |
| Anxiety Disorders | 6 |
Trials
Showing 1 to 25 of 306. Each trial links to its page on Pharma Observatory.
206 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.
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