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| Withdrawn | 43 |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 1 to 25 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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