Clinical trials
Trials with no applicable phase
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
239,008 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 304 |
| 2001 | 409 |
| 2002 | 615 |
| 2003 | 934 |
| 2004 | 1,278 |
| 2005 | 1,719 |
| 2006 | 2,191 |
| 2007 | 2,807 |
| 2008 | 3,474 |
| 2009 | 4,139 |
| 2010 | 4,734 |
| 2011 | 5,428 |
| 2012 | 6,419 |
| 2013 | 7,415 |
| 2014 | 8,599 |
| 2015 | 9,702 |
| 2016 | 11,204 |
| 2017 | 12,172 |
| 2018 | 13,526 |
| 2019 | 14,200 |
| 2020 | 13,366 |
| 2021 | 17,058 |
| 2022 | 17,794 |
| 2023 | 19,261 |
| 2024 | 20,079 |
| 2025 | 20,029 |
| 2026 | 17,768 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 131,355 |
| Unknown status | 38,451 |
| Recruiting | 27,402 |
| Not yet recruiting | 14,843 |
| Terminated | 9,365 |
| Active, not recruiting | 8,357 |
| Withdrawn | 5,839 |
| Enrolling by invitation | 2,717 |
| Suspended | 679 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Cairo University | 3,319 |
| Riphah International University | 2,052 |
| Mayo Clinic | 1,269 |
| Assiut University | 1,259 |
| Assistance Publique - Hôpitaux de Paris | 1,256 |
| Massachusetts General Hospital | 1,252 |
| VA Office of Research and Development | 1,224 |
| University of California, San Francisco | 1,109 |
| Stanford University | 1,106 |
| Duke University | 1,069 |
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 |
|---|---|
| Obesity | 6,564 |
| Anxiety Disorders | 5,348 |
| Pain | 5,182 |
| Stroke | 4,495 |
| Breast Neoplasms | 4,017 |
| Diabetes Mellitus, Type 2 | 3,701 |
| Diabetes Mellitus | 3,400 |
| Neoplasms | 3,138 |
| Postoperative Pain | 2,809 |
| Hypertension | 2,545 |
Trials
Showing 1 to 25 of 239,008. Each trial links to its page on Pharma Observatory.
238,908 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.