Clinical trials
Completed trials with no applicable phase
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
131,355 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 259 |
| 2001 | 355 |
| 2002 | 514 |
| 2003 | 799 |
| 2004 | 1,058 |
| 2005 | 1,376 |
| 2006 | 1,735 |
| 2007 | 2,179 |
| 2008 | 2,730 |
| 2009 | 3,193 |
| 2010 | 3,606 |
| 2011 | 4,156 |
| 2012 | 4,893 |
| 2013 | 5,506 |
| 2014 | 6,287 |
| 2015 | 7,085 |
| 2016 | 7,871 |
| 2017 | 8,365 |
| 2018 | 8,937 |
| 2019 | 8,790 |
| 2020 | 7,853 |
| 2021 | 9,985 |
| 2022 | 9,603 |
| 2023 | 9,095 |
| 2024 | 7,562 |
| 2025 | 5,181 |
| 2026 | 1,245 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 131,355 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Riphah International University | 1,296 |
| Cairo University | 1,256 |
| VA Office of Research and Development | 834 |
| Mayo Clinic | 746 |
| Massachusetts General Hospital | 737 |
| University of California, San Francisco | 737 |
| Duke University | 730 |
| University of Michigan | 715 |
| University of North Carolina, Chapel Hill | 629 |
| Stanford University | 628 |
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 | 4,269 |
| Pain | 3,261 |
| Anxiety Disorders | 3,130 |
| Stroke | 2,289 |
| Diabetes Mellitus, Type 2 | 2,232 |
| Diabetes Mellitus | 2,164 |
| Breast Neoplasms | 1,984 |
| Neoplasms | 1,601 |
| Postoperative Pain | 1,564 |
| Hypertension | 1,518 |
Trials
Showing 51 to 75 of 131,355. Each trial links to its page on Pharma Observatory.
131,255 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.