Clinical trials
Chronic Pain trials with no applicable phase
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
1,822 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 1 |
| 2001 | 5 |
| 2003 | 1 |
| 2004 | 3 |
| 2005 | 4 |
| 2006 | 11 |
| 2007 | 6 |
| 2008 | 13 |
| 2009 | 12 |
| 2010 | 18 |
| 2011 | 26 |
| 2012 | 26 |
| 2013 | 41 |
| 2014 | 53 |
| 2015 | 47 |
| 2016 | 71 |
| 2017 | 84 |
| 2018 | 123 |
| 2019 | 146 |
| 2020 | 133 |
| 2021 | 172 |
| 2022 | 156 |
| 2023 | 177 |
| 2024 | 162 |
| 2025 | 176 |
| 2026 | 143 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 984 |
| Unknown status | 251 |
| Recruiting | 242 |
| Not yet recruiting | 109 |
| Active, not recruiting | 92 |
| Terminated | 69 |
| Withdrawn | 47 |
| Enrolling by invitation | 22 |
| Suspended | 6 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| VA Office of Research and Development | 43 |
| University of Washington | 30 |
| University of Michigan | 28 |
| Stanford University | 25 |
| Boston Scientific Corporation | 24 |
| Assiut University | 18 |
| Massachusetts General Hospital | 18 |
| University of Utah | 15 |
| Spaulding Rehabilitation Hospital | 13 |
| Weill Medical College of Cornell University | 13 |
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 | 1,822 |
| Pain | 199 |
| Fibromyalgia | 115 |
| Low Back Pain | 106 |
| Agnosia | 100 |
| Musculoskeletal Pain | 79 |
| Acute Pain | 72 |
| Neck Pain | 71 |
| Back Pain | 66 |
| Postoperative Pain | 66 |
Trials
Showing 26 to 50 of 1,822. Each trial links to its page on Pharma Observatory.
1,722 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.