Clinical trials
Phase 1/2 trials with unknown status
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
2,369 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 9 |
| 2001 | 6 |
| 2002 | 6 |
| 2003 | 6 |
| 2004 | 15 |
| 2005 | 34 |
| 2006 | 48 |
| 2007 | 40 |
| 2008 | 64 |
| 2009 | 69 |
| 2010 | 74 |
| 2011 | 70 |
| 2012 | 100 |
| 2013 | 96 |
| 2014 | 112 |
| 2015 | 132 |
| 2016 | 173 |
| 2017 | 130 |
| 2018 | 123 |
| 2019 | 174 |
| 2020 | 184 |
| 2021 | 198 |
| 2022 | 201 |
| 2023 | 183 |
| 2024 | 79 |
| 2025 | 2 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Unknown status | 2,369 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Chinese PLA General Hospital | 39 |
| Hadassah Medical Organization | 24 |
| Sun Yat-sen University | 21 |
| Ain Shams University | 20 |
| Peking Union Medical College Hospital | 20 |
| Chia Tai Tianqing Pharmaceutical Group Co., Ltd. | 18 |
| Assiut University | 17 |
| Fudan University | 16 |
| Cairo University | 15 |
| Chaitanya Hospital, Pune | 15 |
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 | 73 |
| Breast Neoplasms | 60 |
| Leukemia, Myeloid, Acute | 60 |
| COVID-19 | 59 |
| Multiple Myeloma | 56 |
| Neoplasms | 53 |
| Colorectal Neoplasms | 50 |
| Recurrence | 49 |
| Lymphoma | 48 |
| Carcinoma, Hepatocellular | 47 |
Trials
Showing 76 to 100 of 2,369. Each trial links to its page on Pharma Observatory.
2,269 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.