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| Withdrawn | 33 |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 51 to 75 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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