Clinical trials
Observational trials in South Korea
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
3,108 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 2 |
| 2001 | 5 |
| 2002 | 2 |
| 2003 | 15 |
| 2004 | 21 |
| 2005 | 23 |
| 2006 | 41 |
| 2007 | 60 |
| 2008 | 76 |
| 2009 | 100 |
| 2010 | 138 |
| 2011 | 148 |
| 2012 | 159 |
| 2013 | 142 |
| 2014 | 157 |
| 2015 | 161 |
| 2016 | 177 |
| 2017 | 181 |
| 2018 | 192 |
| 2019 | 186 |
| 2020 | 175 |
| 2021 | 214 |
| 2022 | 197 |
| 2023 | 157 |
| 2024 | 145 |
| 2025 | 128 |
| 2026 | 91 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 1,673 |
| Unknown status | 746 |
| Recruiting | 387 |
| Active, not recruiting | 123 |
| Terminated | 65 |
| Not yet recruiting | 48 |
| Enrolling by invitation | 34 |
| Withdrawn | 29 |
| Suspended | 3 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Seoul National University Hospital | 430 |
| Yonsei University | 337 |
| Samsung Medical Center | 274 |
| Asan Medical Center | 140 |
| Seoul National University Bundang Hospital | 98 |
| AstraZeneca | 72 |
| Pfizer | 54 |
| Bayer | 51 |
| Seung-Jung Park | 40 |
| The Catholic University of Korea | 37 |
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 |
|---|---|
| Coronary Artery Disease | 150 |
| Breast Neoplasms | 96 |
| Diabetes Mellitus, Type 2 | 75 |
| Stomach Neoplasms | 66 |
| Atrial Fibrillation | 64 |
| Stroke | 55 |
| Hypertension | 45 |
| Diabetes Mellitus | 43 |
| Carcinoma, Hepatocellular | 42 |
| Lung Neoplasms | 42 |
Trials
Showing 1 to 25 of 3,108. Each trial links to its page on Pharma Observatory.
3,008 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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