Clinical trials
Withdrawn COVID-19 trials in the United States
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
93 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2018 | 1 |
| 2020 | 34 |
| 2021 | 32 |
| 2022 | 13 |
| 2023 | 8 |
| 2024 | 2 |
| 2025 | 1 |
| 2026 | 2 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Withdrawn | 93 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Stanford University | 6 |
| Larkin Community Hospital | 4 |
| Sorrento Therapeutics, Inc. | 4 |
| Duke University | 2 |
| Emory University | 2 |
| Montefiore Medical Center | 2 |
| National Institutes of Health Clinical Center (CC) | 2 |
| Northwell Health | 2 |
| Pfizer | 2 |
| ProgenaBiome | 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 | 93 |
| Coronavirus Infections | 16 |
| Pneumonia | 8 |
| Respiratory Insufficiency | 7 |
| Respiratory Distress Syndrome | 6 |
| Pneumonia, Viral | 3 |
| Post-Acute COVID-19 Syndrome | 3 |
| Severe Acute Respiratory Syndrome | 3 |
| Acute Lung Injury | 2 |
| Cytokine Release Syndrome | 2 |
Trials
Showing 1 to 25 of 93. 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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