Clinical trials
Completed Phase 2 COVID-19 trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
405 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 233 |
| 2021 | 99 |
| 2022 | 35 |
| 2023 | 24 |
| 2024 | 6 |
| 2025 | 5 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 405 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| National Institute of Allergy and Infectious Diseases (NIAID) | 8 |
| Washington University School of Medicine | 6 |
| BioNTech SE | 5 |
| Hipra Scientific, S.L.U | 5 |
| NYU Langone Health | 5 |
| Pfizer | 5 |
| Stanford University | 5 |
| Assistance Publique - Hôpitaux de Paris | 4 |
| AstraZeneca | 4 |
| Health Institutes of Turkey | 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 | 405 |
| Coronavirus Infections | 78 |
| Severe Acute Respiratory Syndrome | 28 |
| Pneumonia | 23 |
| Respiratory Distress Syndrome | 18 |
| Post-Acute COVID-19 Syndrome | 13 |
| Respiratory Insufficiency | 10 |
| Virus Diseases | 10 |
| Anosmia | 7 |
| Cytokine Release Syndrome | 6 |
Trials
Showing 1 to 25 of 405. Each trial links to its page on Pharma Observatory.
305 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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