Clinical trials
Phase 2 Chronic Pain trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
139 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2003 | 4 |
| 2004 | 7 |
| 2005 | 5 |
| 2006 | 3 |
| 2007 | 4 |
| 2008 | 2 |
| 2009 | 5 |
| 2010 | 8 |
| 2011 | 3 |
| 2012 | 8 |
| 2013 | 9 |
| 2014 | 2 |
| 2015 | 5 |
| 2016 | 1 |
| 2017 | 6 |
| 2018 | 7 |
| 2019 | 3 |
| 2020 | 4 |
| 2021 | 6 |
| 2022 | 3 |
| 2023 | 10 |
| 2024 | 12 |
| 2025 | 11 |
| 2026 | 9 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 71 |
| Recruiting | 23 |
| Terminated | 16 |
| Unknown status | 11 |
| Withdrawn | 8 |
| Not yet recruiting | 4 |
| Active, not recruiting | 4 |
| Enrolling by invitation | 2 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Wake Forest University Health Sciences | 7 |
| Grünenthal GmbH | 3 |
| University of California, San Diego | 3 |
| University of North Carolina, Chapel Hill | 3 |
| University of Washington | 3 |
| VA Office of Research and Development | 3 |
| Brigham and Women's Hospital | 2 |
| Eli Lilly and Company | 2 |
| Georgetown University | 2 |
| Hospital de Clinicas de Porto Alegre | 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 | 139 |
| Pain | 30 |
| Fibromyalgia | 14 |
| Neuralgia | 13 |
| Opioid-Related Disorders | 11 |
| Low Back Pain | 10 |
| Agnosia | 9 |
| Back Pain | 6 |
| Osteoarthritis | 6 |
| Postoperative Pain | 6 |
Trials
Showing 51 to 75 of 139. Each trial links to its page on Pharma Observatory.
39 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.