Clinical trials
COVID-19 trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
7,569 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2009 | 1 |
| 2011 | 3 |
| 2013 | 3 |
| 2014 | 5 |
| 2015 | 4 |
| 2016 | 9 |
| 2017 | 11 |
| 2018 | 12 |
| 2019 | 44 |
| 2020 | 3,567 |
| 2021 | 2,110 |
| 2022 | 989 |
| 2023 | 450 |
| 2024 | 185 |
| 2025 | 91 |
| 2026 | 51 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 4,211 |
| Unknown status | 1,951 |
| Terminated | 550 |
| Withdrawn | 369 |
| Recruiting | 202 |
| Active, not recruiting | 169 |
| Not yet recruiting | 41 |
| Suspended | 28 |
| No longer available | 27 |
| Enrolling by invitation | 17 |
| Available | 2 |
| Approved for marketing | 2 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Assistance Publique - Hôpitaux de Paris | 110 |
| Assiut University | 76 |
| Pfizer | 67 |
| National Institute of Allergy and Infectious Diseases (NIAID) | 61 |
| University Hospital, Strasbourg, France | 57 |
| University Hospital, Montpellier | 43 |
| AstraZeneca | 38 |
| Cairo University | 35 |
| Duke University | 35 |
| Ain Shams University | 34 |
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 | 7,569 |
| Coronavirus Infections | 784 |
| Severe Acute Respiratory Syndrome | 270 |
| Pneumonia | 209 |
| Post-Acute COVID-19 Syndrome | 202 |
| Respiratory Distress Syndrome | 200 |
| Anxiety Disorders | 163 |
| Virus Diseases | 137 |
| Respiratory Insufficiency | 114 |
| Influenza, Human | 111 |
Trials
Showing 1 to 25 of 7,569. Each trial links to its page on Pharma Observatory.
7,469 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.