Clinical trials
Completed Phase 4 trials in South Korea
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
1,012 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 1 |
| 2001 | 2 |
| 2002 | 2 |
| 2003 | 12 |
| 2004 | 19 |
| 2005 | 28 |
| 2006 | 40 |
| 2007 | 52 |
| 2008 | 66 |
| 2009 | 74 |
| 2010 | 90 |
| 2011 | 85 |
| 2012 | 82 |
| 2013 | 67 |
| 2014 | 62 |
| 2015 | 64 |
| 2016 | 51 |
| 2017 | 39 |
| 2018 | 40 |
| 2019 | 32 |
| 2020 | 20 |
| 2021 | 24 |
| 2022 | 25 |
| 2023 | 21 |
| 2024 | 5 |
| 2025 | 3 |
| 2026 | 1 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 1,012 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Seoul National University Hospital | 107 |
| Yonsei University | 107 |
| Seoul National University Bundang Hospital | 33 |
| Asan Medical Center | 32 |
| Samsung Medical Center | 27 |
| Sanofi | 22 |
| Ajou University School of Medicine | 20 |
| Seung-Jung Park | 20 |
| Chong Kun Dang Pharmaceutical | 18 |
| GlaxoSmithKline | 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 |
|---|---|
| Diabetes Mellitus, Type 2 | 78 |
| Hypertension | 51 |
| Coronary Artery Disease | 50 |
| Diabetes Mellitus | 33 |
| Hepatitis B, Chronic | 30 |
| Schizophrenia | 21 |
| Arthritis, Rheumatoid | 19 |
| Hypercholesterolemia | 18 |
| Osteoarthritis | 18 |
| Urinary Bladder, Overactive | 18 |
Trials
Showing 1 to 25 of 1,012. Each trial links to its page on Pharma Observatory.
912 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.
No changes to these trials in the last 7 days.
Go deeper on Pharma Observatory
Pharma Observatory connects clinical trials, sponsors, sites and investigators in one searchable platform.