Clinical trials
Phase 1/2 trials in Japan
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
393 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 1 |
| 2003 | 6 |
| 2004 | 4 |
| 2005 | 11 |
| 2006 | 4 |
| 2007 | 8 |
| 2008 | 16 |
| 2009 | 6 |
| 2010 | 8 |
| 2011 | 6 |
| 2012 | 10 |
| 2013 | 9 |
| 2014 | 17 |
| 2015 | 22 |
| 2016 | 14 |
| 2017 | 19 |
| 2018 | 9 |
| 2019 | 19 |
| 2020 | 26 |
| 2021 | 33 |
| 2022 | 20 |
| 2023 | 28 |
| 2024 | 27 |
| 2025 | 39 |
| 2026 | 28 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 167 |
| Recruiting | 107 |
| Active, not recruiting | 55 |
| Terminated | 39 |
| Unknown status | 17 |
| Suspended | 3 |
| Not yet recruiting | 3 |
| Enrolling by invitation | 1 |
| Withdrawn | 1 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| AstraZeneca | 33 |
| Novartis Pharmaceuticals | 18 |
| Bristol-Myers Squibb | 17 |
| Pfizer | 17 |
| Takeda | 13 |
| Merck Sharp & Dohme LLC | 12 |
| Tokyo University | 12 |
| Eli Lilly and Company | 11 |
| GlaxoSmithKline | 11 |
| Amgen | 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 |
|---|---|
| Carcinoma, Non-Small-Cell Lung | 51 |
| Neoplasms | 28 |
| Breast Neoplasms | 25 |
| Colorectal Neoplasms | 23 |
| Stomach Neoplasms | 23 |
| Recurrence | 20 |
| Carcinoma, Hepatocellular | 16 |
| Multiple Myeloma | 15 |
| Endometrial Neoplasms | 14 |
| Neoplasm Metastasis | 13 |
Trials
Showing 51 to 75 of 393. Each trial links to its page on Pharma Observatory.
293 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.
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