Clinical trials
Observational Chronic Pain trials with unknown status
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
118 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2004 | 1 |
| 2005 | 1 |
| 2008 | 1 |
| 2010 | 1 |
| 2011 | 2 |
| 2012 | 4 |
| 2013 | 1 |
| 2014 | 4 |
| 2015 | 3 |
| 2016 | 4 |
| 2017 | 6 |
| 2018 | 8 |
| 2019 | 7 |
| 2020 | 14 |
| 2021 | 18 |
| 2022 | 17 |
| 2023 | 19 |
| 2024 | 7 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Unknown status | 118 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| University of California, San Diego | 3 |
| Akdeniz University | 2 |
| Cumhuriyet University | 2 |
| Gaziosmanpasa Research and Education Hospital | 2 |
| Keimyung University Dongsan Medical Center | 2 |
| King's College London | 2 |
| Marmara University | 2 |
| Moens Maarten | 2 |
| Proove Bioscience, Inc. | 2 |
| Reuth Rehabilitation Hospital | 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 |
|---|---|
| Chronic Pain | 118 |
| Fibromyalgia | 12 |
| Pain | 11 |
| Neuralgia | 9 |
| Acute Pain | 7 |
| Agnosia | 4 |
| Musculoskeletal Pain | 4 |
| Nociceptive Pain | 4 |
| Postoperative Pain | 4 |
| Arthralgia | 3 |
Trials
Showing 1 to 25 of 118. Each trial links to its page on Pharma Observatory.
18 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.