Clinical trials
Chronic Pain trials with no applicable phase and unknown status
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
251 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2005 | 1 |
| 2009 | 1 |
| 2010 | 4 |
| 2011 | 3 |
| 2012 | 2 |
| 2013 | 6 |
| 2014 | 4 |
| 2015 | 2 |
| 2016 | 8 |
| 2017 | 11 |
| 2018 | 16 |
| 2019 | 27 |
| 2020 | 37 |
| 2021 | 39 |
| 2022 | 40 |
| 2023 | 34 |
| 2024 | 14 |
| 2025 | 1 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Unknown status | 251 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Assiut University | 9 |
| Aretaieion University Hospital | 7 |
| The Hong Kong Polytechnic University | 6 |
| Universidade Federal do Rio Grande do Norte | 4 |
| University of Malaga | 4 |
| Université de Sherbrooke | 4 |
| Diskapi Teaching and Research Hospital | 3 |
| Guangzhou First People's Hospital | 3 |
| Hospital Clinic of Barcelona | 3 |
| Hospital Universitari Vall d'Hebron Research Institute | 3 |
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 | 251 |
| Pain | 30 |
| Postoperative Pain | 24 |
| Acute Pain | 21 |
| Fibromyalgia | 20 |
| Agnosia | 17 |
| Low Back Pain | 16 |
| Musculoskeletal Pain | 10 |
| Neck Pain | 9 |
| Back Pain | 8 |
Trials
Showing 1 to 25 of 251. Each trial links to its page on Pharma Observatory.
151 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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