Clinical trials
Withdrawn Chronic Pain trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
78 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2006 | 4 |
| 2008 | 1 |
| 2009 | 1 |
| 2010 | 2 |
| 2011 | 2 |
| 2012 | 1 |
| 2013 | 2 |
| 2014 | 2 |
| 2015 | 4 |
| 2016 | 3 |
| 2017 | 3 |
| 2018 | 7 |
| 2019 | 6 |
| 2020 | 5 |
| 2021 | 6 |
| 2022 | 9 |
| 2023 | 4 |
| 2024 | 6 |
| 2025 | 5 |
| 2026 | 3 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Withdrawn | 78 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Stanford University | 4 |
| Women's College Hospital | 4 |
| Wake Forest University Health Sciences | 3 |
| Northwestern University | 2 |
| Rush University Medical Center | 2 |
| University of Missouri-Columbia | 2 |
| VA Office of Research and Development | 2 |
| 9305-9954 Quebec Inc | 1 |
| Assistance Publique - Hôpitaux de Paris | 1 |
| Boston Scientific Corporation | 1 |
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 | 78 |
| Pain | 14 |
| Neuralgia | 6 |
| Complex Regional Pain Syndromes | 4 |
| Fibromyalgia | 4 |
| Agnosia | 3 |
| Anxiety Disorders | 3 |
| Musculoskeletal Pain | 3 |
| Neoplasms | 3 |
| Opioid-Related Disorders | 3 |
Trials
Showing 1 to 25 of 78. Each trial links to its page 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.