Clinical trials
Observational Postoperative Pain trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
671 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2005 | 4 |
| 2006 | 1 |
| 2007 | 4 |
| 2008 | 7 |
| 2009 | 13 |
| 2010 | 18 |
| 2011 | 14 |
| 2012 | 14 |
| 2013 | 9 |
| 2014 | 17 |
| 2015 | 15 |
| 2016 | 28 |
| 2017 | 41 |
| 2018 | 46 |
| 2019 | 43 |
| 2020 | 33 |
| 2021 | 45 |
| 2022 | 59 |
| 2023 | 70 |
| 2024 | 68 |
| 2025 | 51 |
| 2026 | 70 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 398 |
| Unknown status | 117 |
| Recruiting | 60 |
| Not yet recruiting | 40 |
| Active, not recruiting | 18 |
| Terminated | 16 |
| Enrolling by invitation | 12 |
| Withdrawn | 10 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Istanbul University | 8 |
| Rigshospitalet, Denmark | 8 |
| Hvidovre University Hospital | 7 |
| Ankara Ataturk Sanatorium Training and Research Hospital | 6 |
| Dr Abdurrahman Yurtaslan Ankara Oncology Training and Research Hospital | 6 |
| Fondazione Policlinico Universitario Agostino Gemelli IRCCS | 6 |
| Prof. Dr. Cemil Tascıoglu Education and Research Hospital Organization | 6 |
| University of Aarhus | 6 |
| Zealand University Hospital | 6 |
| Ankara City Hospital Bilkent | 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 |
|---|---|
| Postoperative Pain | 671 |
| Pain | 74 |
| Agnosia | 72 |
| Chronic Pain | 44 |
| Acute Pain | 32 |
| Postoperative Nausea and Vomiting | 24 |
| Neuralgia | 20 |
| Breast Neoplasms | 16 |
| Hernia, Inguinal | 14 |
| Hip Fractures | 14 |
Trials
Showing 1 to 25 of 671. Each trial links to its page on Pharma Observatory.
571 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.
Go deeper on Pharma Observatory
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