Clinical trials
Terminated Observational COVID-19 trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
73 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2020 | 29 |
| 2021 | 31 |
| 2022 | 11 |
| 2023 | 1 |
| 2024 | 1 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Terminated | 73 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Centre Hospitalier Universitaire de Saint Etienne | 3 |
| University Hospital, Montpellier | 3 |
| Pfizer | 2 |
| University of Vermont | 2 |
| Wake Forest University Health Sciences | 2 |
| AUSL Romagna Rimini | 1 |
| Anders Fink-Jensen, MD, DMSci | 1 |
| AnteoTech Ltd | 1 |
| Assistance Publique - Hôpitaux de Paris | 1 |
| AstraZeneca | 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 | 73 |
| Coronavirus Infections | 8 |
| Neoplasms | 4 |
| Respiratory Distress Syndrome | 4 |
| Severe Acute Respiratory Syndrome | 3 |
| Virus Diseases | 3 |
| Anxiety Disorders | 2 |
| Mental Disorders | 2 |
| Pneumonia | 2 |
| Pneumonia, Viral | 2 |
Trials
Showing 1 to 25 of 73. 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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