Clinical trials
Phase 4 Chronic Pain trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
118 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2004 | 3 |
| 2005 | 3 |
| 2006 | 2 |
| 2007 | 3 |
| 2008 | 4 |
| 2009 | 3 |
| 2010 | 9 |
| 2011 | 2 |
| 2012 | 5 |
| 2013 | 5 |
| 2014 | 11 |
| 2015 | 4 |
| 2016 | 6 |
| 2017 | 5 |
| 2018 | 7 |
| 2019 | 14 |
| 2020 | 2 |
| 2021 | 5 |
| 2022 | 5 |
| 2023 | 5 |
| 2024 | 7 |
| 2025 | 2 |
| 2026 | 3 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 73 |
| Unknown status | 13 |
| Terminated | 12 |
| Recruiting | 7 |
| Withdrawn | 5 |
| Active, not recruiting | 3 |
| Suspended | 2 |
| Not yet recruiting | 2 |
| Enrolling by invitation | 1 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Boston Scientific Corporation | 3 |
| Fondazione IRCCS Policlinico San Matteo di Pavia | 3 |
| Hospital for Special Surgery, New York | 3 |
| Stanford University | 3 |
| Wake Forest University Health Sciences | 3 |
| Copenhagen University Hospital, Hvidovre | 2 |
| Endeavor Health | 2 |
| Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) | 2 |
| Groene Hart Ziekenhuis | 2 |
| Insel Gruppe AG, University Hospital Bern | 2 |
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 | 118 |
| Postoperative Pain | 15 |
| Pain | 13 |
| Acute Pain | 12 |
| Back Pain | 7 |
| Low Back Pain | 6 |
| Opioid-Related Disorders | 6 |
| Osteoarthritis | 6 |
| Osteoarthritis, Knee | 6 |
| Agnosia | 5 |
Trials
Showing 1 to 25 of 118. Each trial links to its page on Pharma Observatory.
18 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
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