Clinical trials
Terminated Pain trials in the United States
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
307 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2001 | 2 |
| 2002 | 1 |
| 2003 | 1 |
| 2004 | 1 |
| 2005 | 9 |
| 2006 | 21 |
| 2007 | 21 |
| 2008 | 21 |
| 2009 | 20 |
| 2010 | 26 |
| 2011 | 20 |
| 2012 | 20 |
| 2013 | 19 |
| 2014 | 19 |
| 2015 | 22 |
| 2016 | 11 |
| 2017 | 12 |
| 2018 | 9 |
| 2019 | 15 |
| 2020 | 10 |
| 2021 | 11 |
| 2022 | 4 |
| 2023 | 7 |
| 2024 | 1 |
| 2025 | 1 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Terminated | 307 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Northwestern University | 14 |
| Pfizer | 12 |
| Boston Scientific Corporation | 7 |
| Pacira Pharmaceuticals, Inc | 7 |
| University of California, San Diego | 7 |
| Duke University | 6 |
| Johnson & Johnson Pharmaceutical Research & Development, L.L.C. | 6 |
| M.D. Anderson Cancer Center | 6 |
| Mayo Clinic | 6 |
| Wake Forest University Health Sciences | 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 | 307 |
| Agnosia | 28 |
| Chronic Pain | 20 |
| Postoperative Pain | 20 |
| Osteoarthritis | 18 |
| Back Pain | 10 |
| Breast Neoplasms | 10 |
| Neuralgia | 10 |
| Fibromyalgia | 9 |
| Osteoarthritis, Knee | 9 |
Trials
Showing 1 to 25 of 307. Each trial links to its page on Pharma Observatory.
207 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.