Clinical trials
Active, not recruiting Observational trials in the United States
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
1,631 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 6 |
| 2001 | 13 |
| 2002 | 8 |
| 2003 | 4 |
| 2004 | 7 |
| 2005 | 6 |
| 2006 | 11 |
| 2007 | 16 |
| 2008 | 24 |
| 2009 | 20 |
| 2010 | 19 |
| 2011 | 37 |
| 2012 | 32 |
| 2013 | 27 |
| 2014 | 35 |
| 2015 | 46 |
| 2016 | 54 |
| 2017 | 82 |
| 2018 | 84 |
| 2019 | 117 |
| 2020 | 138 |
| 2021 | 180 |
| 2022 | 164 |
| 2023 | 177 |
| 2024 | 155 |
| 2025 | 102 |
| 2026 | 41 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Active, not recruiting | 1,631 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Memorial Sloan Kettering Cancer Center | 90 |
| M.D. Anderson Cancer Center | 59 |
| Mayo Clinic | 42 |
| University of Pennsylvania | 25 |
| Vanderbilt University Medical Center | 22 |
| Massachusetts General Hospital | 20 |
| Brigham and Women's Hospital | 19 |
| Johns Hopkins University | 19 |
| National Cancer Institute (NCI) | 18 |
| Stanford University | 18 |
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 |
|---|---|
| Breast Neoplasms | 68 |
| Neoplasms | 59 |
| COVID-19 | 35 |
| Prostatic Neoplasms | 35 |
| Cardiovascular Diseases | 32 |
| Lung Neoplasms | 29 |
| Obesity | 27 |
| Stroke | 26 |
| Carcinoma, Non-Small-Cell Lung | 23 |
| Cognitive Dysfunction | 22 |
Trials
Showing 1 to 25 of 1,631. Each trial links to its page on Pharma Observatory.
1,531 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
Pharma Observatory connects clinical trials, sponsors, sites and investigators in one searchable platform.