Clinical trials
Phase 4 trials in South Korea
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
1,585 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 1 |
| 2001 | 2 |
| 2002 | 2 |
| 2003 | 13 |
| 2004 | 20 |
| 2005 | 30 |
| 2006 | 47 |
| 2007 | 60 |
| 2008 | 81 |
| 2009 | 107 |
| 2010 | 127 |
| 2011 | 115 |
| 2012 | 117 |
| 2013 | 93 |
| 2014 | 88 |
| 2015 | 98 |
| 2016 | 93 |
| 2017 | 64 |
| 2018 | 59 |
| 2019 | 51 |
| 2020 | 47 |
| 2021 | 48 |
| 2022 | 54 |
| 2023 | 52 |
| 2024 | 30 |
| 2025 | 41 |
| 2026 | 37 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 1,012 |
| Unknown status | 338 |
| Recruiting | 90 |
| Terminated | 70 |
| Not yet recruiting | 31 |
| Active, not recruiting | 29 |
| Withdrawn | 13 |
| Enrolling by invitation | 2 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Seoul National University Hospital | 194 |
| Yonsei University | 180 |
| Asan Medical Center | 63 |
| Samsung Medical Center | 60 |
| Seoul National University Bundang Hospital | 58 |
| Chong Kun Dang Pharmaceutical | 34 |
| Seung-Jung Park | 30 |
| Ajou University School of Medicine | 28 |
| Korea University Anam Hospital | 25 |
| Sanofi | 24 |
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 | 111 |
| Coronary Artery Disease | 94 |
| Hypertension | 59 |
| Diabetes Mellitus | 48 |
| Hepatitis B, Chronic | 47 |
| Schizophrenia | 27 |
| Acute Coronary Syndrome | 25 |
| Osteoarthritis | 25 |
| Atrial Fibrillation | 21 |
| Dyslipidemias | 21 |
Trials
Showing 1 to 25 of 1,585. Each trial links to its page on Pharma Observatory.
1,485 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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