Clinical trials
Phase 4 Postoperative Pain trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
1,035 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2001 | 2 |
| 2002 | 2 |
| 2003 | 4 |
| 2004 | 4 |
| 2005 | 7 |
| 2006 | 9 |
| 2007 | 20 |
| 2008 | 29 |
| 2009 | 36 |
| 2010 | 32 |
| 2011 | 30 |
| 2012 | 39 |
| 2013 | 40 |
| 2014 | 54 |
| 2015 | 49 |
| 2016 | 49 |
| 2017 | 60 |
| 2018 | 59 |
| 2019 | 77 |
| 2020 | 56 |
| 2021 | 63 |
| 2022 | 74 |
| 2023 | 51 |
| 2024 | 59 |
| 2025 | 56 |
| 2026 | 65 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 589 |
| Unknown status | 166 |
| Recruiting | 78 |
| Terminated | 65 |
| Not yet recruiting | 55 |
| Withdrawn | 48 |
| Active, not recruiting | 21 |
| Enrolling by invitation | 11 |
| Suspended | 2 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| University of California, San Diego | 22 |
| Cairo University | 15 |
| Hvidovre University Hospital | 15 |
| Ain Shams University | 13 |
| Beijing Tiantan Hospital | 13 |
| Cukurova University | 13 |
| The University of Texas Health Science Center, Houston | 13 |
| Duke University | 11 |
| Mahidol University | 11 |
| Mayo Clinic | 10 |
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 | 1,035 |
| Agnosia | 97 |
| Pain | 95 |
| Postoperative Nausea and Vomiting | 38 |
| Acute Pain | 31 |
| Postoperative Complications | 19 |
| Chronic Pain | 15 |
| Osteoarthritis, Knee | 15 |
| Breast Neoplasms | 14 |
| Hernia, Inguinal | 9 |
Trials
Showing 1 to 25 of 1,035. Each trial links to its page on Pharma Observatory.
935 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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