Clinical trials
Completed Phase 1 trials in Bulgaria
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
103 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2006 | 3 |
| 2007 | 3 |
| 2008 | 2 |
| 2009 | 1 |
| 2010 | 2 |
| 2011 | 5 |
| 2012 | 4 |
| 2013 | 5 |
| 2014 | 8 |
| 2015 | 11 |
| 2016 | 9 |
| 2017 | 4 |
| 2018 | 8 |
| 2019 | 5 |
| 2020 | 3 |
| 2021 | 6 |
| 2022 | 9 |
| 2023 | 6 |
| 2024 | 5 |
| 2025 | 4 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 103 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Novartis Pharmaceuticals | 9 |
| AstraZeneca | 6 |
| Bayer | 6 |
| Chiesi Farmaceutici S.p.A. | 4 |
| Eli Lilly and Company | 4 |
| Norgine | 4 |
| Sanofi | 4 |
| Merck Sharp & Dohme LLC | 3 |
| Pfizer | 3 |
| Astellas Pharma Europe B.V. | 2 |
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 |
|---|---|
| Hemophilia A | 13 |
| Renal Insufficiency | 9 |
| Arthritis, Rheumatoid | 6 |
| Lupus Erythematosus, Systemic | 5 |
| Autoimmune Diseases | 4 |
| Pulmonary Disease, Chronic Obstructive | 4 |
| Renal Insufficiency, Chronic | 4 |
| Hemophilia B | 3 |
| Hepatitis B, Chronic | 3 |
| Carcinoma, Non-Small-Cell Lung | 2 |
Trials
Showing 1 to 25 of 103. Each trial links to its page on Pharma Observatory.
3 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.
No changes to these trials in the last 7 days.
Go deeper on Pharma Observatory
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