Clinical trials
Enrolling by invitation trials with no applicable phase
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
2,717 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2003 | 1 |
| 2005 | 1 |
| 2006 | 1 |
| 2007 | 1 |
| 2010 | 1 |
| 2012 | 4 |
| 2013 | 3 |
| 2014 | 7 |
| 2015 | 10 |
| 2016 | 15 |
| 2017 | 24 |
| 2018 | 16 |
| 2019 | 30 |
| 2020 | 37 |
| 2021 | 54 |
| 2022 | 100 |
| 2023 | 208 |
| 2024 | 597 |
| 2025 | 931 |
| 2026 | 667 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Enrolling by invitation | 2,717 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Mayo Clinic | 44 |
| Stanford University | 23 |
| Vanderbilt University Medical Center | 23 |
| National Taiwan University Hospital | 21 |
| Tanta University | 20 |
| University of California, San Francisco | 20 |
| Massachusetts General Hospital | 19 |
| University of Pennsylvania | 19 |
| Cairo University | 18 |
| Indiana University | 15 |
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 |
|---|---|
| Anxiety Disorders | 89 |
| Pain | 67 |
| Stroke | 47 |
| Obesity | 46 |
| Diabetes Mellitus, Type 2 | 43 |
| Parkinson Disease | 42 |
| Cognitive Dysfunction | 38 |
| Neoplasms | 37 |
| Hypertension | 33 |
| Diabetes Mellitus | 30 |
Trials
Showing 1 to 25 of 2,717. Each trial links to its page on Pharma Observatory.
2,617 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.