Clinical trials
Completed Phase 1 COVID-19 trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
271 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2020 | 100 |
| 2021 | 69 |
| 2022 | 54 |
| 2023 | 30 |
| 2024 | 11 |
| 2025 | 6 |
| 2026 | 1 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 271 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Pfizer | 21 |
| AstraZeneca | 8 |
| National Institute of Allergy and Infectious Diseases (NIAID) | 7 |
| GlaxoSmithKline | 4 |
| Regeneron Pharmaceuticals | 4 |
| Aligos Therapeutics | 3 |
| Ampio Pharmaceuticals. Inc. | 3 |
| Brii Biosciences Limited | 3 |
| Celltrion | 3 |
| Clover Biopharmaceuticals AUS Pty | 3 |
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 | 271 |
| Coronavirus Infections | 38 |
| Severe Acute Respiratory Syndrome | 10 |
| Virus Diseases | 7 |
| Communicable Diseases | 4 |
| Influenza, Human | 4 |
| Neoplasms | 4 |
| Acute Lung Injury | 2 |
| Critical Illness | 2 |
| Infections | 2 |
Trials
Showing 1 to 25 of 271. Each trial links to its page on Pharma Observatory.
171 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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