Clinical trials
Phase 1/2 Chronic Pain trials in the United States
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
18 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 1 |
| 2009 | 2 |
| 2012 | 2 |
| 2013 | 2 |
| 2014 | 1 |
| 2015 | 1 |
| 2021 | 1 |
| 2022 | 1 |
| 2023 | 2 |
| 2024 | 4 |
| 2025 | 1 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 13 |
| Recruiting | 3 |
| Active, not recruiting | 1 |
| Withdrawn | 1 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Yale University | 3 |
| Kessler Foundation | 2 |
| University of Florida | 2 |
| University of Utah | 2 |
| Arizona State University | 1 |
| Icahn School of Medicine at Mount Sinai | 1 |
| Joshua Woolley, MD, PhD | 1 |
| Medical University of South Carolina | 1 |
| National Center for Complementary and Integrative Health (NCCIH) | 1 |
| Rush University Medical Center | 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 | 18 |
| Low Back Pain | 3 |
| Opioid-Related Disorders | 3 |
| Neuralgia | 2 |
| Pain | 2 |
| Respiratory Aspiration | 2 |
| Spinal Cord Injuries | 2 |
| Acute Pain | 1 |
| Anemia, Sickle Cell | 1 |
| Back Pain | 1 |
Trials
Showing 1 to 18 of 18. 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.