Clinical trials
Phase 2 trials with unknown status
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
7,828 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 32 |
| 2001 | 39 |
| 2002 | 45 |
| 2003 | 46 |
| 2004 | 78 |
| 2005 | 92 |
| 2006 | 136 |
| 2007 | 168 |
| 2008 | 184 |
| 2009 | 216 |
| 2010 | 220 |
| 2011 | 260 |
| 2012 | 272 |
| 2013 | 281 |
| 2014 | 307 |
| 2015 | 348 |
| 2016 | 431 |
| 2017 | 394 |
| 2018 | 497 |
| 2019 | 595 |
| 2020 | 728 |
| 2021 | 799 |
| 2022 | 677 |
| 2023 | 592 |
| 2024 | 236 |
| 2025 | 1 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Unknown status | 7,828 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Sun Yat-sen University | 212 |
| Fudan University | 199 |
| Tianjin Medical University Cancer Institute and Hospital | 100 |
| Peking Union Medical College Hospital | 87 |
| Zhejiang Cancer Hospital | 83 |
| Chinese Academy of Medical Sciences | 82 |
| Samsung Medical Center | 78 |
| Peking University People's Hospital | 48 |
| Yonsei University | 48 |
| Henan Cancer Hospital | 47 |
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 | 389 |
| Breast Neoplasms | 362 |
| Colorectal Neoplasms | 250 |
| Stomach Neoplasms | 222 |
| COVID-19 | 174 |
| Carcinoma, Hepatocellular | 165 |
| Lung Neoplasms | 125 |
| Neoplasms | 119 |
| Recurrence | 118 |
| Pancreatic Neoplasms | 112 |
Trials
Showing 1 to 25 of 7,828. Each trial links to its page on Pharma Observatory.
7,728 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.
No changes to these trials in the last 7 days.
Go deeper on Pharma Observatory
Pharma Observatory connects clinical trials, sponsors, sites and investigators in one searchable platform.