Clinical trials
Phase 3 trials in Bulgaria
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
1,777 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 5 |
| 2001 | 7 |
| 2002 | 3 |
| 2003 | 14 |
| 2004 | 22 |
| 2005 | 28 |
| 2006 | 42 |
| 2007 | 46 |
| 2008 | 60 |
| 2009 | 54 |
| 2010 | 67 |
| 2011 | 97 |
| 2012 | 68 |
| 2013 | 75 |
| 2014 | 93 |
| 2015 | 104 |
| 2016 | 94 |
| 2017 | 89 |
| 2018 | 87 |
| 2019 | 102 |
| 2020 | 86 |
| 2021 | 94 |
| 2022 | 79 |
| 2023 | 100 |
| 2024 | 100 |
| 2025 | 102 |
| 2026 | 56 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 1,141 |
| Active, not recruiting | 213 |
| Terminated | 201 |
| Recruiting | 175 |
| Enrolling by invitation | 17 |
| Unknown status | 16 |
| Withdrawn | 8 |
| Not yet recruiting | 5 |
| Suspended | 1 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| AstraZeneca | 136 |
| Novartis Pharmaceuticals | 104 |
| Hoffmann-La Roche | 82 |
| Pfizer | 70 |
| Novo Nordisk A/S | 68 |
| Sanofi | 60 |
| GlaxoSmithKline | 54 |
| AbbVie | 53 |
| Janssen Research & Development, LLC | 53 |
| Amgen | 49 |
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 | 82 |
| Breast Neoplasms | 58 |
| Carcinoma, Non-Small-Cell Lung | 57 |
| Arthritis, Rheumatoid | 56 |
| Schizophrenia | 50 |
| Pulmonary Disease, Chronic Obstructive | 49 |
| Asthma | 44 |
| Neoplasms | 41 |
| Crohn Disease | 40 |
| Diabetes Mellitus | 37 |
Trials
Showing 51 to 75 of 1,777. Each trial links to its page on Pharma Observatory.
1,677 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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