Clinical trials
Chronic Pain trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
3,103 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 8 |
| 2001 | 9 |
| 2002 | 5 |
| 2003 | 13 |
| 2004 | 22 |
| 2005 | 18 |
| 2006 | 28 |
| 2007 | 28 |
| 2008 | 49 |
| 2009 | 47 |
| 2010 | 60 |
| 2011 | 56 |
| 2012 | 70 |
| 2013 | 83 |
| 2014 | 94 |
| 2015 | 96 |
| 2016 | 118 |
| 2017 | 132 |
| 2018 | 200 |
| 2019 | 212 |
| 2020 | 197 |
| 2021 | 265 |
| 2022 | 254 |
| 2023 | 276 |
| 2024 | 248 |
| 2025 | 250 |
| 2026 | 234 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 1,708 |
| Unknown status | 421 |
| Recruiting | 382 |
| Not yet recruiting | 175 |
| Active, not recruiting | 142 |
| Terminated | 140 |
| Withdrawn | 78 |
| Enrolling by invitation | 37 |
| Suspended | 17 |
| No longer available | 2 |
| Available | 1 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| VA Office of Research and Development | 57 |
| Stanford University | 46 |
| University of Washington | 39 |
| Boston Scientific Corporation | 33 |
| University of Michigan | 29 |
| University of Utah | 26 |
| Massachusetts General Hospital | 25 |
| Assiut University | 24 |
| University Hospital, Clermont-Ferrand | 22 |
| Wake Forest University Health Sciences | 21 |
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 | 3,103 |
| Pain | 397 |
| Fibromyalgia | 195 |
| Low Back Pain | 181 |
| Neuralgia | 167 |
| Agnosia | 154 |
| Postoperative Pain | 145 |
| Acute Pain | 132 |
| Musculoskeletal Pain | 110 |
| Back Pain | 109 |
Trials
Showing 1 to 25 of 3,103. Each trial links to its page on Pharma Observatory.
3,003 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.
Go deeper on Pharma Observatory
Pharma Observatory connects clinical trials, sponsors, sites and investigators in one searchable platform.