Clinical trials
Trials in Japan
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
9,389 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 15 |
| 2001 | 18 |
| 2002 | 34 |
| 2003 | 68 |
| 2004 | 127 |
| 2005 | 118 |
| 2006 | 217 |
| 2007 | 268 |
| 2008 | 306 |
| 2009 | 345 |
| 2010 | 386 |
| 2011 | 389 |
| 2012 | 438 |
| 2013 | 400 |
| 2014 | 440 |
| 2015 | 430 |
| 2016 | 454 |
| 2017 | 494 |
| 2018 | 437 |
| 2019 | 476 |
| 2020 | 498 |
| 2021 | 573 |
| 2022 | 469 |
| 2023 | 479 |
| 2024 | 477 |
| 2025 | 527 |
| 2026 | 379 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 5,909 |
| Recruiting | 1,148 |
| Active, not recruiting | 1,035 |
| Terminated | 715 |
| Unknown status | 411 |
| Not yet recruiting | 55 |
| Enrolling by invitation | 51 |
| Withdrawn | 43 |
| Suspended | 9 |
| No longer available | 7 |
| Approved for marketing | 4 |
| Available | 2 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| AstraZeneca | 531 |
| Novartis Pharmaceuticals | 468 |
| Pfizer | 407 |
| Eli Lilly and Company | 379 |
| GlaxoSmithKline | 323 |
| Boehringer Ingelheim | 299 |
| Bayer | 269 |
| Takeda | 263 |
| Bristol-Myers Squibb | 237 |
| Novo Nordisk A/S | 220 |
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 | 416 |
| Diabetes Mellitus, Type 2 | 382 |
| Neoplasms | 343 |
| Breast Neoplasms | 247 |
| Stomach Neoplasms | 178 |
| Colorectal Neoplasms | 170 |
| Diabetes Mellitus | 168 |
| Arthritis, Rheumatoid | 152 |
| Multiple Myeloma | 152 |
| Neoplasm Metastasis | 152 |
Trials
Showing 51 to 75 of 9,389. Each trial links to its page on Pharma Observatory.
9,289 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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