Clinical trials
Recruiting trials in the United States with no applicable phase
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
8,545 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2001 | 1 |
| 2002 | 1 |
| 2003 | 3 |
| 2005 | 3 |
| 2006 | 3 |
| 2007 | 3 |
| 2008 | 1 |
| 2009 | 5 |
| 2010 | 6 |
| 2011 | 14 |
| 2012 | 10 |
| 2013 | 18 |
| 2014 | 28 |
| 2015 | 27 |
| 2016 | 44 |
| 2017 | 66 |
| 2018 | 102 |
| 2019 | 142 |
| 2020 | 174 |
| 2021 | 303 |
| 2022 | 572 |
| 2023 | 1,037 |
| 2024 | 1,559 |
| 2025 | 2,366 |
| 2026 | 2,041 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Recruiting | 8,545 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Mayo Clinic | 196 |
| VA Office of Research and Development | 189 |
| Massachusetts General Hospital | 155 |
| Stanford University | 119 |
| University of Alabama at Birmingham | 115 |
| University of California, San Francisco | 115 |
| Johns Hopkins University | 111 |
| NYU Langone Health | 106 |
| Duke University | 103 |
| University of Michigan | 103 |
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 |
|---|---|
| Obesity | 250 |
| Anxiety Disorders | 205 |
| Breast Neoplasms | 197 |
| Stroke | 195 |
| Neoplasms | 189 |
| Stress Disorders, Post-Traumatic | 172 |
| Spinal Cord Injuries | 143 |
| Substance-Related Disorders | 139 |
| Diabetes Mellitus, Type 2 | 138 |
| Cognitive Dysfunction | 134 |
Trials
Showing 1 to 25 of 8,545. Each trial links to its page on Pharma Observatory.
8,445 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.