Clinical trials
Recruiting trials with no applicable phase
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
27,402 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 1 |
| 2001 | 2 |
| 2002 | 1 |
| 2003 | 4 |
| 2005 | 3 |
| 2006 | 4 |
| 2007 | 4 |
| 2008 | 2 |
| 2009 | 9 |
| 2010 | 9 |
| 2011 | 19 |
| 2012 | 26 |
| 2013 | 37 |
| 2014 | 59 |
| 2015 | 60 |
| 2016 | 103 |
| 2017 | 149 |
| 2018 | 259 |
| 2019 | 379 |
| 2020 | 538 |
| 2021 | 995 |
| 2022 | 1,653 |
| 2023 | 3,002 |
| 2024 | 5,649 |
| 2025 | 8,059 |
| 2026 | 6,352 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Recruiting | 27,402 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Riphah International University | 294 |
| Cairo University | 280 |
| Mayo Clinic | 196 |
| VA Office of Research and Development | 189 |
| Assistance Publique - Hôpitaux de Paris | 173 |
| Massachusetts General Hospital | 163 |
| National Taiwan University Hospital | 150 |
| The University of Hong Kong | 142 |
| Chinese University of Hong Kong | 135 |
| University of California, San Francisco | 134 |
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 |
|---|---|
| Stroke | 711 |
| Anxiety Disorders | 612 |
| Breast Neoplasms | 606 |
| Obesity | 600 |
| Neoplasms | 492 |
| Pain | 450 |
| Cognitive Dysfunction | 357 |
| Diabetes Mellitus, Type 2 | 354 |
| Postoperative Pain | 324 |
| Parkinson Disease | 319 |
Trials
Showing 1 to 25 of 27,402. Each trial links to its page on Pharma Observatory.
27,302 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.