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| Withdrawn | 47 |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 1 to 25 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.