Clinical trials
Phase 2/3 trials in Japan
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
256 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2002 | 1 |
| 2003 | 1 |
| 2004 | 5 |
| 2005 | 4 |
| 2006 | 8 |
| 2007 | 13 |
| 2008 | 10 |
| 2009 | 14 |
| 2010 | 12 |
| 2011 | 8 |
| 2012 | 16 |
| 2013 | 8 |
| 2014 | 4 |
| 2015 | 9 |
| 2016 | 8 |
| 2017 | 15 |
| 2018 | 15 |
| 2019 | 12 |
| 2020 | 13 |
| 2021 | 12 |
| 2022 | 17 |
| 2023 | 9 |
| 2024 | 8 |
| 2025 | 22 |
| 2026 | 9 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 150 |
| Recruiting | 44 |
| Terminated | 29 |
| Active, not recruiting | 23 |
| Unknown status | 7 |
| Enrolling by invitation | 2 |
| Withdrawn | 1 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Otsuka Pharmaceutical Co., Ltd. | 12 |
| Bristol-Myers Squibb | 11 |
| Novartis Pharmaceuticals | 10 |
| Pfizer | 10 |
| AbbVie | 9 |
| AstraZeneca | 8 |
| Janssen Research & Development, LLC | 8 |
| Takeda | 8 |
| Boehringer Ingelheim | 7 |
| Tanabe Pharma Corporation | 7 |
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 | 10 |
| Carcinoma, Non-Small-Cell Lung | 9 |
| Colitis, Ulcerative | 8 |
| Neoplasms | 7 |
| Stomach Neoplasms | 7 |
| Alzheimer Disease | 6 |
| COVID-19 | 6 |
| Crohn Disease | 6 |
| Diabetes Mellitus, Type 2 | 6 |
| Mental Disorders | 6 |
Trials
Showing 76 to 100 of 256. Each trial links to its page on Pharma Observatory.
156 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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