Clinical trials
Observational Pain trials with unknown status
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
187 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2004 | 1 |
| 2006 | 4 |
| 2007 | 2 |
| 2008 | 4 |
| 2009 | 2 |
| 2010 | 2 |
| 2011 | 7 |
| 2012 | 8 |
| 2013 | 8 |
| 2014 | 9 |
| 2015 | 11 |
| 2016 | 4 |
| 2017 | 9 |
| 2018 | 19 |
| 2019 | 11 |
| 2020 | 15 |
| 2021 | 17 |
| 2022 | 18 |
| 2023 | 25 |
| 2024 | 10 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Unknown status | 187 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| National Taiwan University Hospital | 7 |
| University Hospital, Clermont-Ferrand | 6 |
| Hacettepe University | 3 |
| Prince of Songkla University | 3 |
| Rambam Health Care Campus | 3 |
| Sheba Medical Center | 3 |
| University Hospital, Montpellier | 3 |
| Atılım University | 2 |
| Cairo University | 2 |
| Istanbul Medipol University 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 |
|---|---|
| Pain | 187 |
| Anxiety Disorders | 13 |
| Chronic Pain | 11 |
| Postoperative Pain | 11 |
| Neoplasms | 7 |
| Agnosia | 6 |
| Fibromyalgia | 6 |
| Osteoarthritis, Knee | 5 |
| Arthritis, Rheumatoid | 4 |
| Endometriosis | 4 |
Trials
Showing 1 to 25 of 187. Each trial links to its page on Pharma Observatory.
87 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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