Clinical trials
Recruiting trials in the United States
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
22,207 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 21 |
| 2001 | 27 |
| 2002 | 26 |
| 2003 | 28 |
| 2004 | 31 |
| 2005 | 35 |
| 2006 | 32 |
| 2007 | 48 |
| 2008 | 35 |
| 2009 | 48 |
| 2010 | 66 |
| 2011 | 68 |
| 2012 | 70 |
| 2013 | 105 |
| 2014 | 133 |
| 2015 | 164 |
| 2016 | 199 |
| 2017 | 262 |
| 2018 | 358 |
| 2019 | 500 |
| 2020 | 619 |
| 2021 | 1,015 |
| 2022 | 1,520 |
| 2023 | 2,491 |
| 2024 | 3,728 |
| 2025 | 5,414 |
| 2026 | 5,040 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Recruiting | 22,207 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| M.D. Anderson Cancer Center | 509 |
| Mayo Clinic | 502 |
| Massachusetts General Hospital | 310 |
| Memorial Sloan Kettering Cancer Center | 308 |
| National Cancer Institute (NCI) | 297 |
| VA Office of Research and Development | 275 |
| University of California, San Francisco | 242 |
| Stanford University | 238 |
| Johns Hopkins University | 228 |
| University of Colorado, Denver | 222 |
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 | 668 |
| Neoplasms | 626 |
| Prostatic Neoplasms | 482 |
| Obesity | 481 |
| Carcinoma, Non-Small-Cell Lung | 439 |
| Lung Neoplasms | 352 |
| Colorectal Neoplasms | 337 |
| Neoplasm Metastasis | 287 |
| Stroke | 284 |
| Anxiety Disorders | 279 |
Trials
Showing 26 to 50 of 22,207. Each trial links to its page on Pharma Observatory.
22,107 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.