Clinical trials
Withdrawn Pain trials with no applicable phase
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
104 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2003 | 1 |
| 2006 | 2 |
| 2007 | 3 |
| 2008 | 7 |
| 2009 | 2 |
| 2010 | 4 |
| 2011 | 5 |
| 2012 | 4 |
| 2013 | 2 |
| 2014 | 10 |
| 2015 | 3 |
| 2016 | 5 |
| 2017 | 4 |
| 2018 | 8 |
| 2019 | 7 |
| 2020 | 3 |
| 2021 | 9 |
| 2022 | 7 |
| 2023 | 5 |
| 2024 | 5 |
| 2025 | 2 |
| 2026 | 3 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Withdrawn | 104 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Northwestern University | 5 |
| University of Utah | 4 |
| Air Force Military Medical University, China | 3 |
| Brigham and Women's Hospital | 3 |
| Francisco Selva | 3 |
| Stanford University | 3 |
| Baylor College of Medicine | 2 |
| Massachusetts General Hospital | 2 |
| Mayo Clinic | 2 |
| Universidad Europea de Canarias | 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 | 104 |
| Anxiety Disorders | 11 |
| Agnosia | 10 |
| Neoplasms | 7 |
| Chronic Pain | 6 |
| Cancer Pain | 5 |
| Wounds and Injuries | 5 |
| Acute Pain | 4 |
| Low Back Pain | 4 |
| Adenoma | 3 |
Trials
Showing 1 to 25 of 104. Each trial links to its page on Pharma Observatory.
4 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.