Clinical trials
Completed Observational trials in Greece
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
675 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 1 |
| 2001 | 1 |
| 2002 | 3 |
| 2003 | 2 |
| 2004 | 3 |
| 2005 | 10 |
| 2006 | 12 |
| 2007 | 18 |
| 2008 | 33 |
| 2009 | 36 |
| 2010 | 33 |
| 2011 | 36 |
| 2012 | 32 |
| 2013 | 32 |
| 2014 | 35 |
| 2015 | 42 |
| 2016 | 42 |
| 2017 | 38 |
| 2018 | 40 |
| 2019 | 46 |
| 2020 | 45 |
| 2021 | 42 |
| 2022 | 30 |
| 2023 | 28 |
| 2024 | 22 |
| 2025 | 6 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 675 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Aristotle University Of Thessaloniki | 43 |
| AstraZeneca | 37 |
| Democritus University of Thrace | 29 |
| Elpen Pharmaceutical Co. Inc. | 27 |
| University of Thessaly | 27 |
| Bayer | 22 |
| University of Athens | 22 |
| Hoffmann-La Roche | 20 |
| Pfizer | 20 |
| Hellenic Cooperative Oncology Group | 18 |
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 | 19 |
| Breast Neoplasms | 19 |
| COVID-19 | 18 |
| Diabetes Mellitus | 17 |
| Pulmonary Disease, Chronic Obstructive | 16 |
| Asthma | 13 |
| Atrial Fibrillation | 13 |
| Carcinoma, Non-Small-Cell Lung | 12 |
| Hypertension | 12 |
| Presbyopia | 12 |
Trials
Showing 1 to 25 of 675. Each trial links to its page on Pharma Observatory.
575 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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