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 | 67 |
| 2011 | 68 |
| 2012 | 70 |
| 2013 | 105 |
| 2014 | 133 |
| 2015 | 165 |
| 2016 | 199 |
| 2017 | 263 |
| 2018 | 358 |
| 2019 | 501 |
| 2020 | 619 |
| 2021 | 1,020 |
| 2022 | 1,520 |
| 2023 | 2,500 |
| 2024 | 3,742 |
| 2025 | 5,432 |
| 2026 | 4,992 |
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 | 508 |
| Mayo Clinic | 502 |
| Memorial Sloan Kettering Cancer Center | 309 |
| Massachusetts General Hospital | 308 |
| National Cancer Institute (NCI) | 298 |
| VA Office of Research and Development | 275 |
| University of California, San Francisco | 243 |
| Stanford University | 237 |
| Johns Hopkins University | 229 |
| 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 | 669 |
| Neoplasms | 626 |
| Prostatic Neoplasms | 485 |
| Obesity | 481 |
| Carcinoma, Non-Small-Cell Lung | 440 |
| Lung Neoplasms | 351 |
| Colorectal Neoplasms | 340 |
| Neoplasm Metastasis | 290 |
| Stroke | 284 |
| Leukemia, Myeloid, Acute | 277 |
Trials
Showing 1 to 25 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.