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| Withdrawn | 8 |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 1 to 25 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.