Clinical trials
Observational trials in South Korea
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
3,112 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 | 176 |
| 2021 | 215 |
| 2022 | 197 |
| 2023 | 157 |
| 2024 | 145 |
| 2025 | 128 |
| 2026 | 93 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 1,674 |
| Unknown status | 745 |
| Recruiting | 390 |
| Active, not recruiting | 123 |
| Terminated | 65 |
| Not yet recruiting | 48 |
| Enrolling by invitation | 35 |
| Withdrawn | 29 |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 | 338 |
| 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 | 56 |
| Hypertension | 45 |
| Diabetes Mellitus | 43 |
| Carcinoma, Hepatocellular | 42 |
| Lung Neoplasms | 42 |
Trials
Showing 51 to 75 of 3,112. Each trial links to its page on Pharma Observatory.
3,012 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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