Clinical trials
Phase 1 COVID-19 trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
480 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2016 | 1 |
| 2020 | 166 |
| 2021 | 119 |
| 2022 | 97 |
| 2023 | 48 |
| 2024 | 20 |
| 2025 | 16 |
| 2026 | 13 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 271 |
| Unknown status | 98 |
| Terminated | 47 |
| Withdrawn | 33 |
| Active, not recruiting | 13 |
| Recruiting | 9 |
| Not yet recruiting | 7 |
| Suspended | 2 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Pfizer | 25 |
| National Institute of Allergy and Infectious Diseases (NIAID) | 12 |
| AstraZeneca | 8 |
| GlaxoSmithKline | 5 |
| ImmunityBio, Inc. | 5 |
| Regeneron Pharmaceuticals | 5 |
| Aligos Therapeutics | 3 |
| Ampio Pharmaceuticals. Inc. | 3 |
| Ascletis Pharmaceuticals Co., Ltd. | 3 |
| Baylor College of Medicine | 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 | 480 |
| Coronavirus Infections | 59 |
| Severe Acute Respiratory Syndrome | 18 |
| Pneumonia | 11 |
| Virus Diseases | 11 |
| Respiratory Distress Syndrome | 9 |
| Influenza, Human | 7 |
| Post-Acute COVID-19 Syndrome | 7 |
| Communicable Diseases | 6 |
| Infections | 6 |
Trials
Showing 1 to 25 of 480. Each trial links to its page on Pharma Observatory.
380 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.
Go deeper on Pharma Observatory
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