Clinical trials
Recruiting trials in Bulgaria
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
287 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 | 108 |
| 2026 | 66 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Recruiting | 287 |
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 1 to 25 of 287. Each trial links to its page on Pharma Observatory.
187 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
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