Clinical trials
Recruiting Observational COVID-19 trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
98 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2011 | 1 |
| 2013 | 1 |
| 2014 | 1 |
| 2019 | 1 |
| 2020 | 32 |
| 2021 | 10 |
| 2022 | 17 |
| 2023 | 12 |
| 2024 | 7 |
| 2025 | 12 |
| 2026 | 4 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Recruiting | 98 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| M.D. Anderson Cancer Center | 5 |
| Euresist Network GEIE | 3 |
| National Institute of Allergy and Infectious Diseases (NIAID) | 3 |
| VA Office of Research and Development | 3 |
| Assistance Publique - Hôpitaux de Paris | 2 |
| Boston University | 2 |
| Centre Hospitalier Universitaire, Amiens | 2 |
| Chinese University of Hong Kong | 2 |
| Columbia University | 2 |
| Consorci Sanitari de Terrassa | 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 | 98 |
| Post-Acute COVID-19 Syndrome | 13 |
| Influenza, Human | 11 |
| Coronavirus Infections | 8 |
| Infections | 3 |
| Respiratory Tract Infections | 3 |
| Anosmia | 2 |
| Attention Deficit Disorder with Hyperactivity | 2 |
| Cardiovascular Diseases | 2 |
| Heart Failure | 2 |
Trials
Showing 1 to 25 of 98. 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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