Clinical trials
Withdrawn Pain trials in the United States
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
112 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 1 |
| 2006 | 4 |
| 2007 | 3 |
| 2008 | 3 |
| 2009 | 6 |
| 2010 | 4 |
| 2011 | 4 |
| 2012 | 11 |
| 2013 | 4 |
| 2014 | 7 |
| 2015 | 7 |
| 2016 | 3 |
| 2017 | 7 |
| 2018 | 5 |
| 2019 | 7 |
| 2020 | 6 |
| 2021 | 7 |
| 2022 | 2 |
| 2023 | 5 |
| 2024 | 4 |
| 2025 | 4 |
| 2026 | 4 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Withdrawn | 112 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Stanford University | 7 |
| Baylor College of Medicine | 4 |
| Johns Hopkins University | 4 |
| Massachusetts General Hospital | 4 |
| Northwestern University | 4 |
| Antonios Likourezos | 3 |
| University of Utah | 3 |
| Brigham and Women's Hospital | 2 |
| Children's Hospital Medical Center, Cincinnati | 2 |
| Duke University | 2 |
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 |
|---|---|
| Pain | 112 |
| Agnosia | 15 |
| Anxiety Disorders | 10 |
| Postoperative Pain | 6 |
| Neoplasms | 5 |
| Chronic Pain | 4 |
| Wounds and Injuries | 4 |
| Fibromyalgia | 3 |
| Neuralgia | 3 |
| Back Pain | 2 |
Trials
Showing 1 to 25 of 112. Each trial links to its page on Pharma Observatory.
12 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
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