Clinical trials
Completed Phase 3 trials in Bulgaria
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
1,141 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 4 |
| 2001 | 7 |
| 2002 | 3 |
| 2003 | 12 |
| 2004 | 20 |
| 2005 | 25 |
| 2006 | 37 |
| 2007 | 37 |
| 2008 | 51 |
| 2009 | 43 |
| 2010 | 56 |
| 2011 | 84 |
| 2012 | 58 |
| 2013 | 66 |
| 2014 | 84 |
| 2015 | 91 |
| 2016 | 80 |
| 2017 | 68 |
| 2018 | 58 |
| 2019 | 69 |
| 2020 | 54 |
| 2021 | 40 |
| 2022 | 33 |
| 2023 | 37 |
| 2024 | 19 |
| 2025 | 3 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 1,141 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| AstraZeneca | 79 |
| Novartis Pharmaceuticals | 69 |
| Hoffmann-La Roche | 58 |
| Novo Nordisk A/S | 42 |
| Pfizer | 41 |
| Sanofi | 40 |
| GlaxoSmithKline | 37 |
| Bayer | 34 |
| AbbVie | 31 |
| Amgen | 30 |
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 |
|---|---|
| Diabetes Mellitus, Type 2 | 62 |
| Arthritis, Rheumatoid | 48 |
| Pulmonary Disease, Chronic Obstructive | 40 |
| Schizophrenia | 39 |
| Asthma | 33 |
| Breast Neoplasms | 33 |
| Diabetes Mellitus | 30 |
| Carcinoma, Non-Small-Cell Lung | 29 |
| Epilepsy | 28 |
| Multiple Sclerosis | 26 |
Trials
Showing 1 to 25 of 1,141. Each trial links to its page on Pharma Observatory.
1,041 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
Pharma Observatory connects clinical trials, sponsors, sites and investigators in one searchable platform.