Clinical trials
Phase 2 Pain trials in the United States
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
323 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 4 |
| 2001 | 4 |
| 2002 | 6 |
| 2003 | 5 |
| 2004 | 13 |
| 2005 | 7 |
| 2006 | 22 |
| 2007 | 14 |
| 2008 | 12 |
| 2009 | 27 |
| 2010 | 9 |
| 2011 | 18 |
| 2012 | 17 |
| 2013 | 17 |
| 2014 | 18 |
| 2015 | 13 |
| 2016 | 7 |
| 2017 | 8 |
| 2018 | 9 |
| 2019 | 14 |
| 2020 | 8 |
| 2021 | 12 |
| 2022 | 9 |
| 2023 | 6 |
| 2024 | 9 |
| 2025 | 11 |
| 2026 | 9 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 210 |
| Terminated | 51 |
| Withdrawn | 15 |
| Unknown status | 15 |
| Recruiting | 14 |
| Active, not recruiting | 8 |
| Not yet recruiting | 7 |
| Suspended | 3 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Pfizer | 14 |
| Pacira Pharmaceuticals, Inc | 12 |
| National Institute of Dental and Craniofacial Research (NIDCR) | 10 |
| Memorial Sloan Kettering Cancer Center | 6 |
| Montefiore Medical Center | 6 |
| AbbVie (prior sponsor, Abbott) | 5 |
| AstraZeneca | 5 |
| Johns Hopkins University | 5 |
| M.D. Anderson Cancer Center | 5 |
| Mayo Clinic | 5 |
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 | 323 |
| Osteoarthritis | 29 |
| Osteoarthritis, Knee | 23 |
| Agnosia | 22 |
| Postoperative Pain | 21 |
| Chronic Pain | 20 |
| Neuralgia | 17 |
| Anxiety Disorders | 15 |
| Neoplasms | 14 |
| Diabetic Neuropathies | 13 |
Trials
Showing 1 to 25 of 323. Each trial links to its page on Pharma Observatory.
223 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.