Clinical trials
Terminated Phase 4 Chronic Pain trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
12 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2006 | 1 |
| 2007 | 1 |
| 2010 | 4 |
| 2013 | 1 |
| 2014 | 1 |
| 2018 | 2 |
| 2019 | 1 |
| 2022 | 1 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Terminated | 12 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Pfizer | 2 |
| University of Rochester | 2 |
| Ajay Wasan, MD, Msc | 1 |
| Boston Scientific Corporation | 1 |
| Centre hospitalier de l'Université de Montréal (CHUM) | 1 |
| Karl Landsteiner Institute of Remobilization and Functional Health | 1 |
| Massachusetts General Hospital | 1 |
| Montefiore Medical Center | 1 |
| Theresa Jacob, PhD, MPH | 1 |
| University of Utah | 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 | 12 |
| Pain | 3 |
| Back Pain | 2 |
| Opioid-Related Disorders | 2 |
| Agnosia | 1 |
| Chronic Disease | 1 |
| Failed Back Surgery Syndrome | 1 |
| Fibromyalgia | 1 |
| Low Back Pain | 1 |
| Multiple Sclerosis | 1 |
Trials
Showing 1 to 12 of 12. 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.