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 1 to 25 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.