Clinical trials
Phase 4 trials in Japan
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
398 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 1 |
| 2001 | 1 |
| 2002 | 6 |
| 2003 | 8 |
| 2004 | 20 |
| 2005 | 16 |
| 2006 | 22 |
| 2007 | 21 |
| 2008 | 14 |
| 2009 | 18 |
| 2010 | 26 |
| 2011 | 18 |
| 2012 | 14 |
| 2013 | 25 |
| 2014 | 37 |
| 2015 | 31 |
| 2016 | 18 |
| 2017 | 18 |
| 2018 | 11 |
| 2019 | 6 |
| 2020 | 6 |
| 2021 | 12 |
| 2022 | 8 |
| 2023 | 7 |
| 2024 | 6 |
| 2025 | 14 |
| 2026 | 8 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 268 |
| Unknown status | 60 |
| Recruiting | 28 |
| Terminated | 17 |
| Active, not recruiting | 14 |
| Withdrawn | 7 |
| Enrolling by invitation | 3 |
| Not yet recruiting | 1 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Astellas Pharma Inc | 18 |
| GlaxoSmithKline | 17 |
| Novartis Pharmaceuticals | 17 |
| Takeda | 13 |
| Takeshi Morimoto | 12 |
| Eli Lilly and Company | 11 |
| Sanofi | 11 |
| Boehringer Ingelheim | 10 |
| Kumamoto University | 10 |
| Pfizer | 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 |
|---|---|
| Diabetes Mellitus, Type 2 | 49 |
| Hypertension | 41 |
| Coronary Artery Disease | 35 |
| Diabetes Mellitus | 14 |
| Hypercholesterolemia | 12 |
| Cardiovascular Diseases | 11 |
| Heart Failure | 11 |
| Arthritis, Rheumatoid | 10 |
| Atrial Fibrillation | 9 |
| Stroke | 9 |
Trials
Showing 51 to 75 of 398. Each trial links to its page on Pharma Observatory.
298 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
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