Clinical trials
Completed COVID-19 trials in the United States
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
1,085 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2018 | 2 |
| 2019 | 7 |
| 2020 | 506 |
| 2021 | 299 |
| 2022 | 134 |
| 2023 | 80 |
| 2024 | 37 |
| 2025 | 17 |
| 2026 | 1 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 1,085 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| National Institute of Allergy and Infectious Diseases (NIAID) | 44 |
| Pfizer | 29 |
| University of Pennsylvania | 25 |
| Duke University | 21 |
| BioNTech SE | 19 |
| Mayo Clinic | 19 |
| ModernaTX, Inc. | 18 |
| University of Minnesota | 16 |
| Washington University School of Medicine | 15 |
| Stanford University | 14 |
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 | 1,085 |
| Coronavirus Infections | 192 |
| Severe Acute Respiratory Syndrome | 51 |
| Virus Diseases | 43 |
| Influenza, Human | 29 |
| Respiratory Distress Syndrome | 29 |
| Pneumonia | 25 |
| Anxiety Disorders | 24 |
| Post-Acute COVID-19 Syndrome | 23 |
| Respiratory Insufficiency | 20 |
Trials
Showing 1 to 25 of 1,085. Each trial links to its page on Pharma Observatory.
985 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
Pharma Observatory connects clinical trials, sponsors, sites and investigators in one searchable platform.