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| Withdrawn | 71 |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 1 to 25 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.