Clinical trials
Chronic Pain trials with unknown status
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
421 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2004 | 1 |
| 2005 | 2 |
| 2007 | 1 |
| 2008 | 1 |
| 2009 | 2 |
| 2010 | 7 |
| 2011 | 6 |
| 2012 | 7 |
| 2013 | 10 |
| 2014 | 9 |
| 2015 | 6 |
| 2016 | 17 |
| 2017 | 20 |
| 2018 | 31 |
| 2019 | 37 |
| 2020 | 52 |
| 2021 | 62 |
| 2022 | 65 |
| 2023 | 62 |
| 2024 | 21 |
| 2025 | 1 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Unknown status | 421 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Assiut University | 11 |
| Apurano Pharmaceuticals GmbH | 8 |
| Aretaieion University Hospital | 7 |
| The Hong Kong Polytechnic University | 6 |
| Université de Sherbrooke | 6 |
| Keimyung University Dongsan Medical Center | 5 |
| Hospital de Clinicas de Porto Alegre | 4 |
| Tel-Aviv Sourasky Medical Center | 4 |
| Universidad Autonoma de Madrid | 4 |
| Universidade Federal do Rio Grande do Norte | 4 |
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 | 421 |
| Pain | 53 |
| Postoperative Pain | 35 |
| Acute Pain | 34 |
| Fibromyalgia | 34 |
| Agnosia | 29 |
| Neuralgia | 26 |
| Low Back Pain | 20 |
| Musculoskeletal Pain | 14 |
| Back Pain | 12 |
Trials
Showing 1 to 25 of 421. Each trial links to its page on Pharma Observatory.
321 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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