Clinical trials
Withdrawn Observational trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
2,976 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 5 |
| 2001 | 6 |
| 2002 | 12 |
| 2003 | 21 |
| 2004 | 22 |
| 2005 | 47 |
| 2006 | 69 |
| 2007 | 76 |
| 2008 | 115 |
| 2009 | 112 |
| 2010 | 110 |
| 2011 | 120 |
| 2012 | 127 |
| 2013 | 120 |
| 2014 | 141 |
| 2015 | 141 |
| 2016 | 151 |
| 2017 | 144 |
| 2018 | 158 |
| 2019 | 169 |
| 2020 | 246 |
| 2021 | 190 |
| 2022 | 163 |
| 2023 | 155 |
| 2024 | 110 |
| 2025 | 112 |
| 2026 | 47 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Withdrawn | 2,976 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| University of California, Irvine | 35 |
| ProgenaBiome | 34 |
| Assistance Publique - Hôpitaux de Paris | 31 |
| M.D. Anderson Cancer Center | 30 |
| University of Florida | 30 |
| CENTOGENE GmbH Rostock | 27 |
| Massachusetts General Hospital | 26 |
| University of Minnesota | 26 |
| Mayo Clinic | 24 |
| Pfizer | 24 |
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 |
|---|---|
| Neoplasms | 74 |
| Breast Neoplasms | 70 |
| COVID-19 | 63 |
| Heart Failure | 50 |
| Prostatic Neoplasms | 49 |
| Diabetes Mellitus | 47 |
| Obesity | 46 |
| Cardiovascular Diseases | 39 |
| Coronary Artery Disease | 39 |
| Stroke | 35 |
Trials
Showing 1 to 25 of 2,976. Each trial links to its page on Pharma Observatory.
2,876 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.