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 76 to 100 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.