Clinical trials
Phase 2 trials in Bulgaria
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
724 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2001 | 1 |
| 2002 | 2 |
| 2003 | 2 |
| 2004 | 5 |
| 2005 | 19 |
| 2006 | 22 |
| 2007 | 22 |
| 2008 | 24 |
| 2009 | 35 |
| 2010 | 32 |
| 2011 | 29 |
| 2012 | 43 |
| 2013 | 42 |
| 2014 | 26 |
| 2015 | 29 |
| 2016 | 31 |
| 2017 | 37 |
| 2018 | 39 |
| 2019 | 27 |
| 2020 | 41 |
| 2021 | 44 |
| 2022 | 46 |
| 2023 | 29 |
| 2024 | 39 |
| 2025 | 40 |
| 2026 | 17 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 506 |
| Terminated | 102 |
| Recruiting | 49 |
| Active, not recruiting | 49 |
| Withdrawn | 7 |
| Unknown status | 5 |
| Enrolling by invitation | 5 |
| Not yet recruiting | 1 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| AstraZeneca | 48 |
| Pfizer | 40 |
| GlaxoSmithKline | 38 |
| Novartis Pharmaceuticals | 32 |
| Bayer | 28 |
| Hoffmann-La Roche | 25 |
| Janssen Research & Development, LLC | 22 |
| AbbVie | 16 |
| Sanofi | 15 |
| Genentech, Inc. | 13 |
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 |
|---|---|
| Arthritis, Rheumatoid | 65 |
| Asthma | 50 |
| Colitis, Ulcerative | 40 |
| Pulmonary Disease, Chronic Obstructive | 28 |
| Lupus Erythematosus, Systemic | 24 |
| Crohn Disease | 23 |
| Diabetes Mellitus, Type 2 | 22 |
| Heart Failure | 20 |
| Schizophrenia | 18 |
| Dermatitis, Atopic | 17 |
Trials
Showing 1 to 25 of 724. Each trial links to its page on Pharma Observatory.
624 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.
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