Clinical trials
Observational trials in South Korea with unknown status
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
745 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2003 | 1 |
| 2004 | 3 |
| 2005 | 4 |
| 2006 | 7 |
| 2007 | 15 |
| 2008 | 15 |
| 2009 | 22 |
| 2010 | 33 |
| 2011 | 34 |
| 2012 | 42 |
| 2013 | 34 |
| 2014 | 41 |
| 2015 | 49 |
| 2016 | 57 |
| 2017 | 51 |
| 2018 | 43 |
| 2019 | 56 |
| 2020 | 57 |
| 2021 | 71 |
| 2022 | 60 |
| 2023 | 40 |
| 2024 | 8 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Unknown status | 745 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Seoul National University Hospital | 151 |
| Yonsei University | 124 |
| Samsung Medical Center | 86 |
| Asan Medical Center | 40 |
| Seoul National University Bundang Hospital | 22 |
| Hanyang University | 15 |
| The Catholic University of Korea | 13 |
| Seoul St. Mary's Hospital | 11 |
| Ajou University School of Medicine | 10 |
| Korea University Guro Hospital | 10 |
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 | 33 |
| Breast Neoplasms | 28 |
| Stomach Neoplasms | 23 |
| Lung Neoplasms | 18 |
| Atrial Fibrillation | 15 |
| Stroke | 15 |
| Arthritis, Rheumatoid | 11 |
| Cardiovascular Diseases | 11 |
| Pancreatic Neoplasms | 11 |
| Acute Coronary Syndrome | 10 |
Trials
Showing 1 to 25 of 745. Each trial links to its page on Pharma Observatory.
645 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.