Clinical trials
Completed Phase 4 Postoperative Pain trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
589 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2001 | 2 |
| 2002 | 2 |
| 2003 | 4 |
| 2004 | 2 |
| 2005 | 4 |
| 2006 | 6 |
| 2007 | 17 |
| 2008 | 20 |
| 2009 | 30 |
| 2010 | 27 |
| 2011 | 18 |
| 2012 | 33 |
| 2013 | 32 |
| 2014 | 37 |
| 2015 | 37 |
| 2016 | 35 |
| 2017 | 39 |
| 2018 | 39 |
| 2019 | 41 |
| 2020 | 27 |
| 2021 | 34 |
| 2022 | 39 |
| 2023 | 20 |
| 2024 | 17 |
| 2025 | 24 |
| 2026 | 1 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 589 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Hvidovre University Hospital | 13 |
| University of California, San Diego | 12 |
| Cukurova University | 10 |
| Mahidol University | 10 |
| Ain Shams University | 9 |
| Zealand University Hospital | 8 |
| Beijing Tiantan Hospital | 7 |
| Rigshospitalet, Denmark | 7 |
| The University of Texas Health Science Center, Houston | 7 |
| Mayo Clinic | 6 |
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 | 589 |
| Pain | 57 |
| Agnosia | 54 |
| Postoperative Nausea and Vomiting | 25 |
| Postoperative Complications | 12 |
| Chronic Pain | 11 |
| Acute Pain | 9 |
| Breast Neoplasms | 8 |
| Osteoarthritis, Knee | 8 |
| Hyperalgesia | 6 |
Trials
Showing 1 to 25 of 589. Each trial links to its page on Pharma Observatory.
489 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
Pharma Observatory connects clinical trials, sponsors, sites and investigators in one searchable platform.