Clinical trials
Active, not recruiting Observational COVID-19 trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
85 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2011 | 1 |
| 2014 | 1 |
| 2016 | 1 |
| 2020 | 32 |
| 2021 | 19 |
| 2022 | 17 |
| 2023 | 6 |
| 2024 | 5 |
| 2025 | 3 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Active, not recruiting | 85 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Pfizer | 4 |
| Centre Hospitalier Universitaire, Amiens | 3 |
| M.D. Anderson Cancer Center | 3 |
| NYU Langone Health | 3 |
| National Institute of Allergy and Infectious Diseases (NIAID) | 3 |
| Columbia University | 2 |
| Duke University | 2 |
| IRCCS San Raffaele | 2 |
| ModernaTX, Inc. | 2 |
| National Institute on Aging (NIA) | 2 |
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 | 85 |
| Coronavirus Infections | 8 |
| Influenza, Human | 5 |
| Post-Acute COVID-19 Syndrome | 4 |
| Critical Illness | 3 |
| Hematologic Neoplasms | 3 |
| Virus Diseases | 3 |
| Cystic Fibrosis | 2 |
| Frailty | 2 |
| Infections | 2 |
Trials
Showing 1 to 25 of 85. Each trial links to its page 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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