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| Withdrawn | 8 |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 1 to 25 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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