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| Withdrawn | 5,839 |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 51 to 75 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.