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 51 to 75 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.