Clinical trials
Recruiting trials in Bulgaria
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
285 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2001 | 1 |
| 2004 | 1 |
| 2013 | 2 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 5 |
| 2021 | 6 |
| 2022 | 15 |
| 2023 | 21 |
| 2024 | 57 |
| 2025 | 105 |
| 2026 | 67 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Recruiting | 285 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| AstraZeneca | 25 |
| Pfizer | 16 |
| Boehringer Ingelheim | 12 |
| Novartis Pharmaceuticals | 11 |
| Bristol-Myers Squibb | 10 |
| AbbVie | 9 |
| Takeda | 9 |
| Novo Nordisk A/S | 8 |
| Neurocrine Biosciences | 6 |
| Bayer | 5 |
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 |
|---|---|
| Heart Failure | 16 |
| Carcinoma, Non-Small-Cell Lung | 13 |
| Obesity | 11 |
| Crohn Disease | 9 |
| Colitis, Ulcerative | 8 |
| Lupus Erythematosus, Systemic | 8 |
| Major Depressive Disorder | 8 |
| Neoplasms | 8 |
| Lung Neoplasms | 7 |
| Overweight | 7 |
Trials
Showing 76 to 100 of 285. Each trial links to its page on Pharma Observatory.
185 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.
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