Clinical trials
COVID-19 trials with no applicable phase and unknown status
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
377 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2019 | 2 |
| 2020 | 146 |
| 2021 | 112 |
| 2022 | 76 |
| 2023 | 31 |
| 2024 | 10 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Unknown status | 377 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Assistance Publique - Hôpitaux de Paris | 7 |
| Gazi University | 4 |
| Istinye University | 4 |
| University of Sao Paulo | 4 |
| Fundacin Biomedica Galicia Sur | 3 |
| Hong Kong Baptist University | 3 |
| Mansoura University | 3 |
| Peking University First Hospital | 3 |
| Rambam Health Care Campus | 3 |
| Ruijin Hospital | 3 |
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 | 377 |
| Post-Acute COVID-19 Syndrome | 18 |
| Anxiety Disorders | 16 |
| Coronavirus Infections | 15 |
| Pneumonia | 11 |
| Severe Acute Respiratory Syndrome | 9 |
| Respiratory Insufficiency | 8 |
| Fatigue | 7 |
| Cognitive Dysfunction | 4 |
| Cytokine Release Syndrome | 4 |
Trials
Showing 1 to 25 of 377. Each trial links to its page on Pharma Observatory.
277 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
Pharma Observatory connects clinical trials, sponsors, sites and investigators in one searchable platform.