Clinical trials
Phase 2 trials in Japan
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
1,633 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 1 |
| 2001 | 2 |
| 2002 | 5 |
| 2003 | 12 |
| 2004 | 35 |
| 2005 | 30 |
| 2006 | 43 |
| 2007 | 52 |
| 2008 | 56 |
| 2009 | 59 |
| 2010 | 62 |
| 2011 | 49 |
| 2012 | 72 |
| 2013 | 69 |
| 2014 | 67 |
| 2015 | 56 |
| 2016 | 78 |
| 2017 | 72 |
| 2018 | 81 |
| 2019 | 92 |
| 2020 | 93 |
| 2021 | 102 |
| 2022 | 74 |
| 2023 | 77 |
| 2024 | 95 |
| 2025 | 105 |
| 2026 | 65 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 1,018 |
| Terminated | 201 |
| Recruiting | 167 |
| Active, not recruiting | 163 |
| Unknown status | 62 |
| Not yet recruiting | 11 |
| Withdrawn | 7 |
| Enrolling by invitation | 3 |
| Suspended | 1 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Novartis Pharmaceuticals | 133 |
| Pfizer | 86 |
| AstraZeneca | 77 |
| Eli Lilly and Company | 67 |
| GlaxoSmithKline | 66 |
| Bayer | 61 |
| Boehringer Ingelheim | 56 |
| Bristol-Myers Squibb | 50 |
| Janssen Research & Development, LLC | 43 |
| AbbVie | 42 |
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 | 66 |
| Breast Neoplasms | 54 |
| Dermatitis, Atopic | 44 |
| Diabetes Mellitus, Type 2 | 44 |
| Neoplasms | 41 |
| Stomach Neoplasms | 40 |
| Colorectal Neoplasms | 39 |
| Arthritis, Rheumatoid | 36 |
| Colitis, Ulcerative | 36 |
| Renal Insufficiency, Chronic | 36 |
Trials
Showing 1 to 25 of 1,633. Each trial links to its page on Pharma Observatory.
1,533 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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