Clinical trials
COVID-19 trials in Bulgaria
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
27 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2020 | 4 |
| 2021 | 12 |
| 2022 | 8 |
| 2024 | 2 |
| 2026 | 1 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 14 |
| Terminated | 6 |
| Recruiting | 5 |
| Withdrawn | 2 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Pfizer | 7 |
| Merck Sharp & Dohme LLC | 2 |
| 4Living Biotech | 1 |
| A. Vogel AG | 1 |
| AstraZeneca | 1 |
| Benfovir AG | 1 |
| Bulgarian Cardiac Institute | 1 |
| Can-Fite BioPharma | 1 |
| Catalysis SL | 1 |
| GeneOne Life Science, Inc. | 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 | 27 |
| Coronavirus Infections | 5 |
| Respiratory Tract Infections | 4 |
| Virus Diseases | 4 |
| Infections | 3 |
| Lung Diseases | 3 |
| Pneumonia | 3 |
| Coronaviridae Infections | 2 |
| Nidovirales Infections | 2 |
| Pneumonia, Viral | 2 |
Trials
Showing 1 to 25 of 27. 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.
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