Clinical trials
Terminated Pain trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
496 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 2 |
| 2001 | 3 |
| 2002 | 1 |
| 2003 | 8 |
| 2004 | 5 |
| 2005 | 16 |
| 2006 | 31 |
| 2007 | 29 |
| 2008 | 32 |
| 2009 | 34 |
| 2010 | 39 |
| 2011 | 33 |
| 2012 | 31 |
| 2013 | 30 |
| 2014 | 23 |
| 2015 | 32 |
| 2016 | 17 |
| 2017 | 26 |
| 2018 | 15 |
| 2019 | 24 |
| 2020 | 18 |
| 2021 | 20 |
| 2022 | 6 |
| 2023 | 10 |
| 2024 | 5 |
| 2025 | 2 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Terminated | 496 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Northwestern University | 15 |
| Pfizer | 15 |
| Boston Scientific Corporation | 8 |
| Johnson & Johnson Pharmaceutical Research & Development, L.L.C. | 7 |
| Pacira Pharmaceuticals, Inc | 7 |
| University of California, San Diego | 7 |
| Duke University | 6 |
| M.D. Anderson Cancer Center | 6 |
| Massachusetts General Hospital | 6 |
| Mayo Clinic | 6 |
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 |
|---|---|
| Pain | 496 |
| Agnosia | 38 |
| Postoperative Pain | 33 |
| Chronic Pain | 29 |
| Osteoarthritis | 24 |
| Neoplasms | 19 |
| Neuralgia | 19 |
| Anxiety Disorders | 17 |
| Breast Neoplasms | 15 |
| Back Pain | 14 |
Trials
Showing 51 to 75 of 496. Each trial links to its page on Pharma Observatory.
396 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.
No changes to these trials in the last 7 days.
Go deeper on Pharma Observatory
Pharma Observatory connects clinical trials, sponsors, sites and investigators in one searchable platform.