Clinical trials
Completed Phase 4 COVID-19 trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
113 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2020 | 43 |
| 2021 | 50 |
| 2022 | 11 |
| 2023 | 5 |
| 2024 | 2 |
| 2025 | 2 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 113 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Jiangsu Province Centers for Disease Control and Prevention | 6 |
| Sinovac Research and Development Co., Ltd. | 6 |
| Sinovac Life Sciences Co., Ltd. | 3 |
| Duke University | 2 |
| FMH College of Medicine and Dentistry | 2 |
| Jens D Lundgren, MD | 2 |
| King Abdulaziz University | 2 |
| National Institute of Allergy and Infectious Diseases (NIAID) | 2 |
| Novartis Pharmaceuticals | 2 |
| Promomed, LLC | 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 | 113 |
| Coronavirus Infections | 16 |
| Influenza, Human | 4 |
| Respiratory Tract Infections | 4 |
| Severe Acute Respiratory Syndrome | 4 |
| Pneumonia, Viral | 3 |
| Virus Diseases | 3 |
| Acquired Immunodeficiency Syndrome | 2 |
| Anosmia | 2 |
| Asthenia | 2 |
Trials
Showing 1 to 25 of 113. Each trial links to its page on Pharma Observatory.
13 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
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