Clinical trials
Terminated COVID-19 trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
550 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2017 | 1 |
| 2020 | 282 |
| 2021 | 181 |
| 2022 | 66 |
| 2023 | 14 |
| 2024 | 6 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Terminated | 550 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Assistance Publique - Hôpitaux de Paris | 6 |
| Centre Hospitalier Universitaire de Saint Etienne | 6 |
| Pfizer | 6 |
| ImmunityBio, Inc. | 5 |
| National Institute of Allergy and Infectious Diseases (NIAID) | 5 |
| Regeneron Pharmaceuticals | 5 |
| Revimmune | 5 |
| Columbia University | 4 |
| Fondation Ophtalmologique Adolphe de Rothschild | 4 |
| Gilead Sciences | 4 |
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 | 550 |
| Coronavirus Infections | 93 |
| Respiratory Distress Syndrome | 35 |
| Severe Acute Respiratory Syndrome | 31 |
| Pneumonia | 27 |
| Cytokine Release Syndrome | 14 |
| Pneumonia, Viral | 14 |
| Virus Diseases | 13 |
| Respiratory Insufficiency | 10 |
| Neoplasms | 9 |
Trials
Showing 1 to 25 of 550. Each trial links to its page on Pharma Observatory.
450 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.