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 51 to 75 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.