Clinical trials
Completed Phase 2/3 trials in Japan
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
150 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2002 | 1 |
| 2004 | 4 |
| 2005 | 4 |
| 2006 | 6 |
| 2007 | 13 |
| 2008 | 10 |
| 2009 | 11 |
| 2010 | 10 |
| 2011 | 6 |
| 2012 | 13 |
| 2013 | 6 |
| 2014 | 3 |
| 2015 | 7 |
| 2016 | 6 |
| 2017 | 13 |
| 2018 | 10 |
| 2019 | 4 |
| 2020 | 6 |
| 2021 | 7 |
| 2022 | 3 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 1 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 150 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Otsuka Pharmaceutical Co., Ltd. | 10 |
| Novartis Pharmaceuticals | 8 |
| AstraZeneca | 7 |
| Tanabe Pharma Corporation | 7 |
| Astellas Pharma Inc | 6 |
| Eisai Co., Ltd. | 6 |
| Kyowa Kirin Co., Ltd. | 6 |
| Takeda | 6 |
| Abbott | 5 |
| Bayer | 5 |
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 |
|---|---|
| Schizophrenia | 8 |
| COVID-19 | 5 |
| Diabetes Mellitus, Type 2 | 5 |
| Mental Disorders | 5 |
| Arthritis, Rheumatoid | 4 |
| Colitis, Ulcerative | 4 |
| Hemophilia A | 4 |
| Parkinson Disease | 4 |
| Anemia, Aplastic | 3 |
| Crohn Disease | 3 |
Trials
Showing 1 to 25 of 150. Each trial links to its page on Pharma Observatory.
50 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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