Clinical trials
Withdrawn trials in Bulgaria
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
22 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2007 | 1 |
| 2009 | 1 |
| 2010 | 1 |
| 2011 | 1 |
| 2013 | 2 |
| 2015 | 1 |
| 2017 | 6 |
| 2018 | 1 |
| 2019 | 1 |
| 2021 | 1 |
| 2022 | 3 |
| 2023 | 1 |
| 2024 | 1 |
| 2026 | 1 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Withdrawn | 22 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| BTL Industries Ltd. | 5 |
| Novo Nordisk A/S | 2 |
| 4Living Biotech | 1 |
| Bristol-Myers Squibb | 1 |
| Centocor, Inc. | 1 |
| Chiesi Farmaceutici S.p.A. | 1 |
| Crucell Holland BV | 1 |
| Hoffmann-La Roche | 1 |
| Incyte Corporation | 1 |
| Janssen Research & Development, LLC | 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 | 2 |
| Diabetes Mellitus, Type 2 | 2 |
| Renal Insufficiency, Chronic | 2 |
| Virus Diseases | 2 |
| Anemia | 1 |
| Brain Diseases | 1 |
| Central Nervous System Diseases | 1 |
| Coronaviridae Infections | 1 |
| Coronavirus Infections | 1 |
| Dermatitis | 1 |
Trials
Showing 51 to 22 of 22. Each trial links to its page on Pharma Observatory.
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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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