Clinical trials
Phase 3 Chronic Pain trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
138 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 5 |
| 2001 | 2 |
| 2002 | 4 |
| 2003 | 4 |
| 2004 | 5 |
| 2005 | 2 |
| 2006 | 4 |
| 2007 | 7 |
| 2008 | 8 |
| 2009 | 8 |
| 2010 | 6 |
| 2011 | 5 |
| 2012 | 9 |
| 2013 | 7 |
| 2014 | 2 |
| 2015 | 8 |
| 2016 | 5 |
| 2017 | 5 |
| 2018 | 5 |
| 2020 | 1 |
| 2021 | 5 |
| 2022 | 4 |
| 2023 | 10 |
| 2024 | 5 |
| 2025 | 4 |
| 2026 | 2 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 87 |
| Unknown status | 15 |
| Terminated | 13 |
| Recruiting | 7 |
| Withdrawn | 6 |
| Active, not recruiting | 5 |
| Not yet recruiting | 3 |
| Suspended | 2 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Purdue Pharma LP | 11 |
| Apurano Pharmaceuticals GmbH | 8 |
| Endo USA Inc., a Keenova Therapeutics Company | 7 |
| Grünenthal GmbH | 6 |
| Pfizer | 6 |
| Bausch Health Americas, Inc. | 5 |
| Janssen Pharmaceutical K.K. | 5 |
| BioDelivery Sciences International | 4 |
| Johnson & Johnson Pharmaceutical Research & Development, L.L.C. | 4 |
| Cephalon | 3 |
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 | 138 |
| Pain | 38 |
| Low Back Pain | 26 |
| Osteoarthritis | 17 |
| Back Pain | 13 |
| Agnosia | 11 |
| Neuralgia | 11 |
| Marijuana Abuse | 9 |
| Postoperative Pain | 8 |
| Somatoform Disorders | 8 |
Trials
Showing 51 to 75 of 138. Each trial links to its page on Pharma Observatory.
38 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.