Clinical trials
Phase 4 Chronic Pain trials in the United States
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
47 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2004 | 2 |
| 2006 | 2 |
| 2007 | 1 |
| 2008 | 1 |
| 2009 | 1 |
| 2010 | 4 |
| 2012 | 3 |
| 2013 | 1 |
| 2014 | 4 |
| 2016 | 2 |
| 2017 | 2 |
| 2018 | 3 |
| 2019 | 5 |
| 2020 | 1 |
| 2021 | 3 |
| 2022 | 3 |
| 2024 | 4 |
| 2025 | 2 |
| 2026 | 1 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 26 |
| Terminated | 10 |
| Recruiting | 4 |
| Withdrawn | 2 |
| Active, not recruiting | 2 |
| Enrolling by invitation | 1 |
| Unknown status | 1 |
| Not yet recruiting | 1 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Boston Scientific Corporation | 3 |
| Hospital for Special Surgery, New York | 3 |
| Stanford University | 3 |
| Wake Forest University Health Sciences | 3 |
| Endeavor Health | 2 |
| Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) | 2 |
| Pfizer | 2 |
| University of Rochester | 2 |
| Ajay Wasan, MD, Msc | 1 |
| Benedict Alter | 1 |
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 |
|---|---|
| Chronic Pain | 47 |
| Pain | 9 |
| Back Pain | 7 |
| Opioid-Related Disorders | 6 |
| Acute Pain | 4 |
| Low Back Pain | 4 |
| Agnosia | 3 |
| Complex Regional Pain Syndromes | 2 |
| Intractable Pain | 2 |
| Joint Diseases | 2 |
Trials
Showing 1 to 25 of 47. Each trial links to its page 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.