Clinical trials
COVID-19 trials with no applicable phase
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
1,673 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2016 | 2 |
| 2019 | 9 |
| 2020 | 635 |
| 2021 | 522 |
| 2022 | 280 |
| 2023 | 129 |
| 2024 | 65 |
| 2025 | 19 |
| 2026 | 12 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 1,047 |
| Unknown status | 377 |
| Terminated | 73 |
| Withdrawn | 71 |
| Recruiting | 46 |
| Active, not recruiting | 33 |
| Not yet recruiting | 13 |
| Enrolling by invitation | 10 |
| Suspended | 3 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Assistance Publique - Hôpitaux de Paris | 33 |
| University of Pennsylvania | 16 |
| Hospices Civils de Lyon | 13 |
| Mayo Clinic | 13 |
| Yale University | 11 |
| Duke University | 10 |
| Rigshospitalet, Denmark | 10 |
| University of Wisconsin, Madison | 10 |
| Stanford University | 9 |
| Unity Health Toronto | 9 |
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 | 1,673 |
| Coronavirus Infections | 112 |
| Anxiety Disorders | 85 |
| Post-Acute COVID-19 Syndrome | 78 |
| Pneumonia | 34 |
| Severe Acute Respiratory Syndrome | 34 |
| Respiratory Insufficiency | 32 |
| Influenza, Human | 31 |
| Respiratory Distress Syndrome | 31 |
| Fatigue | 27 |
Trials
Showing 76 to 100 of 1,673. Each trial links to its page on Pharma Observatory.
1,573 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.
Go deeper on Pharma Observatory
Pharma Observatory connects clinical trials, sponsors, sites and investigators in one searchable platform.