Clinical trials
Active, not recruiting Observational trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
5,073 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 13 |
| 2001 | 16 |
| 2002 | 14 |
| 2003 | 8 |
| 2004 | 12 |
| 2005 | 13 |
| 2006 | 15 |
| 2007 | 25 |
| 2008 | 49 |
| 2009 | 30 |
| 2010 | 39 |
| 2011 | 57 |
| 2012 | 50 |
| 2013 | 65 |
| 2014 | 72 |
| 2015 | 108 |
| 2016 | 132 |
| 2017 | 183 |
| 2018 | 190 |
| 2019 | 268 |
| 2020 | 336 |
| 2021 | 444 |
| 2022 | 488 |
| 2023 | 596 |
| 2024 | 762 |
| 2025 | 727 |
| 2026 | 304 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Active, not recruiting | 5,073 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Memorial Sloan Kettering Cancer Center | 90 |
| Superior University | 64 |
| M.D. Anderson Cancer Center | 59 |
| AstraZeneca | 42 |
| Mayo Clinic | 42 |
| Pfizer | 41 |
| Fondazione Policlinico Universitario Agostino Gemelli IRCCS | 37 |
| University Health Network, Toronto | 35 |
| Bristol-Myers Squibb | 31 |
| Novartis Pharmaceuticals | 28 |
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 |
|---|---|
| Breast Neoplasms | 150 |
| Neoplasms | 134 |
| Cardiovascular Diseases | 120 |
| Obesity | 95 |
| Prostatic Neoplasms | 86 |
| COVID-19 | 85 |
| Stroke | 83 |
| Coronary Artery Disease | 80 |
| Heart Failure | 75 |
| Carcinoma, Non-Small-Cell Lung | 73 |
Trials
Showing 1 to 25 of 5,073. Each trial links to its page on Pharma Observatory.
4,973 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.