Clinical trials
Enrolling by invitation trials in Bulgaria
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
28 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2019 | 3 |
| 2020 | 1 |
| 2021 | 2 |
| 2022 | 4 |
| 2023 | 3 |
| 2024 | 5 |
| 2025 | 8 |
| 2026 | 2 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Enrolling by invitation | 28 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Biogen | 2 |
| Pharvaris Netherlands B.V. | 2 |
| Sanofi | 2 |
| UCB Biopharma SRL | 2 |
| Viatris Innovation GmbH | 2 |
| ACADIA Pharmaceuticals Inc. | 1 |
| AstraZeneca | 1 |
| Astria Therapeutics, Inc. | 1 |
| Celldex Therapeutics | 1 |
| Chugai Pharmaceutical | 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 |
|---|---|
| Angioedemas, Hereditary | 3 |
| Connective Tissue Diseases | 3 |
| Lupus Erythematosus, Systemic | 3 |
| Dermatomyositis | 2 |
| Hallucinations | 2 |
| Immune System Diseases | 2 |
| Alzheimer Disease | 1 |
| Angioedema | 1 |
| Antiphospholipid Syndrome | 1 |
| Anxiety Disorders | 1 |
Trials
Showing 51 to 28 of 28. Each trial links to its page on Pharma Observatory.
No trials match these filters.
Try a different keyword, or clear a filter.
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.