Clinical trials
Withdrawn Phase 2 COVID-19 trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
83 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2018 | 1 |
| 2020 | 29 |
| 2021 | 25 |
| 2022 | 14 |
| 2023 | 9 |
| 2024 | 3 |
| 2025 | 1 |
| 2026 | 1 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Withdrawn | 83 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Sorrento Therapeutics, Inc. | 7 |
| Health Institutes of Turkey | 2 |
| Pfizer | 2 |
| Sinocelltech Ltd. | 2 |
| University of Alabama at Birmingham | 2 |
| Washington University School of Medicine | 2 |
| 4D pharma plc | 1 |
| 4Living Biotech | 1 |
| AgelessRx | 1 |
| Alonso Vera Torres | 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 | 83 |
| Coronavirus Infections | 14 |
| Pneumonia | 5 |
| Pneumonia, Viral | 4 |
| Respiratory Distress Syndrome | 4 |
| Respiratory Insufficiency | 3 |
| Lymphoma, Follicular | 2 |
| Severe Acute Respiratory Syndrome | 2 |
| Acute Lung Injury | 1 |
| Coronaviridae Infections | 1 |
Trials
Showing 1 to 25 of 83. 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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