Clinical trials
Withdrawn Phase 2/3 COVID-19 trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
24 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2020 | 6 |
| 2021 | 10 |
| 2022 | 4 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 1 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Withdrawn | 24 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Novavax | 2 |
| University of Colorado, Denver | 2 |
| Alachua Government Services, Inc. | 1 |
| Ansun Biopharma, Inc. | 1 |
| Australian National University | 1 |
| Azidus Brasil | 1 |
| Boehringer Ingelheim | 1 |
| Cambridge University Hospitals NHS Foundation Trust | 1 |
| Center for Primary Care and Public Health (Unisante), University of Lausanne, Switzerland | 1 |
| Clover Biopharmaceuticals AUS Pty | 1 |
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 | 24 |
| Coronavirus Infections | 3 |
| Cytokine Release Syndrome | 2 |
| Inflammation | 2 |
| Influenza, Human | 2 |
| Hypoxia | 1 |
| Lung Diseases | 1 |
| Lymphoma, Follicular | 1 |
| Respiration Disorders | 1 |
| Severe Acute Respiratory Syndrome | 1 |
Trials
Showing 1 to 24 of 24. 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.
No changes to these trials in the last 7 days.
Go deeper on Pharma Observatory
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