Clinical trials
Completed Observational Postoperative Pain trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
398 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2005 | 2 |
| 2006 | 1 |
| 2007 | 2 |
| 2008 | 5 |
| 2009 | 11 |
| 2010 | 17 |
| 2011 | 10 |
| 2012 | 12 |
| 2013 | 7 |
| 2014 | 12 |
| 2015 | 9 |
| 2016 | 22 |
| 2017 | 30 |
| 2018 | 33 |
| 2019 | 26 |
| 2020 | 24 |
| 2021 | 24 |
| 2022 | 37 |
| 2023 | 44 |
| 2024 | 30 |
| 2025 | 27 |
| 2026 | 13 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 398 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Hvidovre University Hospital | 7 |
| Istanbul University | 7 |
| Rigshospitalet, Denmark | 7 |
| Fondazione Policlinico Universitario Agostino Gemelli IRCCS | 6 |
| Ondokuz Mayıs University | 5 |
| Prof. Dr. Cemil Tascıoglu Education and Research Hospital Organization | 5 |
| Zealand University Hospital | 5 |
| Antalya Training and Research Hospital | 4 |
| Aydin Adnan Menderes University | 4 |
| Chinese PLA General Hospital | 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 |
|---|---|
| Postoperative Pain | 398 |
| Pain | 53 |
| Agnosia | 44 |
| Chronic Pain | 24 |
| Acute Pain | 21 |
| Postoperative Nausea and Vomiting | 13 |
| Breast Neoplasms | 11 |
| Neuralgia | 11 |
| Anxiety Disorders | 10 |
| Hernia, Inguinal | 10 |
Trials
Showing 1 to 25 of 398. Each trial links to its page on Pharma Observatory.
298 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
Pharma Observatory connects clinical trials, sponsors, sites and investigators in one searchable platform.