Clinical trials
Completed Chronic Pain trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
1,708 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 8 |
| 2001 | 9 |
| 2002 | 4 |
| 2003 | 13 |
| 2004 | 19 |
| 2005 | 14 |
| 2006 | 18 |
| 2007 | 25 |
| 2008 | 41 |
| 2009 | 36 |
| 2010 | 44 |
| 2011 | 46 |
| 2012 | 56 |
| 2013 | 62 |
| 2014 | 73 |
| 2015 | 77 |
| 2016 | 84 |
| 2017 | 98 |
| 2018 | 136 |
| 2019 | 141 |
| 2020 | 117 |
| 2021 | 159 |
| 2022 | 141 |
| 2023 | 122 |
| 2024 | 88 |
| 2025 | 52 |
| 2026 | 13 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 1,708 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| VA Office of Research and Development | 39 |
| University of Washington | 29 |
| University of Michigan | 22 |
| Boston Scientific Corporation | 21 |
| Stanford University | 19 |
| Abbott Medical Devices | 15 |
| Pfizer | 15 |
| University of Utah | 15 |
| Wake Forest University Health Sciences | 15 |
| Brigham and Women's Hospital | 14 |
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 | 1,708 |
| Pain | 224 |
| Low Back Pain | 118 |
| Fibromyalgia | 95 |
| Neuralgia | 77 |
| Acute Pain | 70 |
| Agnosia | 70 |
| Postoperative Pain | 68 |
| Back Pain | 67 |
| Neck Pain | 59 |
Trials
Showing 1 to 25 of 1,708. Each trial links to its page on Pharma Observatory.
1,608 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.