Clinical trials
Observational Coronavirus Infections trials in the United States
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
112 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2003 | 2 |
| 2011 | 2 |
| 2015 | 1 |
| 2020 | 81 |
| 2021 | 16 |
| 2022 | 4 |
| 2023 | 5 |
| 2025 | 1 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 73 |
| Recruiting | 11 |
| Unknown status | 9 |
| Terminated | 8 |
| Active, not recruiting | 6 |
| Withdrawn | 3 |
| Suspended | 1 |
| Enrolling by invitation | 1 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| National Institute of Allergy and Infectious Diseases (NIAID) | 9 |
| Columbia University | 5 |
| ModernaTX, Inc. | 4 |
| University of California, San Francisco | 4 |
| University of Minnesota | 4 |
| National Institute of Mental Health (NIMH) | 3 |
| National Institutes of Health Clinical Center (CC) | 3 |
| Stanford University | 3 |
| University of Colorado, Denver | 3 |
| University of Pennsylvania | 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 |
|---|---|
| Coronavirus Infections | 112 |
| COVID-19 | 77 |
| Anxiety Disorders | 9 |
| Influenza, Human | 9 |
| Severe Acute Respiratory Syndrome | 8 |
| Virus Diseases | 8 |
| Respiratory Tract Infections | 5 |
| Pneumonia | 4 |
| Infections | 3 |
| Neoplasms | 3 |
Trials
Showing 1 to 25 of 112. Each trial links to its page on Pharma Observatory.
12 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
Pharma Observatory connects clinical trials, sponsors, sites and investigators in one searchable platform.