Clinical trials
Postoperative Pain trials with no applicable phase
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
2,809 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2001 | 3 |
| 2002 | 1 |
| 2003 | 4 |
| 2004 | 4 |
| 2005 | 12 |
| 2006 | 9 |
| 2007 | 12 |
| 2008 | 12 |
| 2009 | 23 |
| 2010 | 28 |
| 2011 | 49 |
| 2012 | 31 |
| 2013 | 32 |
| 2014 | 50 |
| 2015 | 68 |
| 2016 | 78 |
| 2017 | 122 |
| 2018 | 170 |
| 2019 | 178 |
| 2020 | 184 |
| 2021 | 228 |
| 2022 | 266 |
| 2023 | 287 |
| 2024 | 296 |
| 2025 | 290 |
| 2026 | 364 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 1,564 |
| Unknown status | 471 |
| Recruiting | 324 |
| Not yet recruiting | 250 |
| Terminated | 69 |
| Active, not recruiting | 63 |
| Withdrawn | 41 |
| Enrolling by invitation | 24 |
| Suspended | 3 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Cairo University | 87 |
| Ain Shams University | 58 |
| Assiut University | 49 |
| Tanta University | 32 |
| Ataturk University | 31 |
| Seoul National University Hospital | 25 |
| Cumhuriyet University | 24 |
| Minia University | 23 |
| Ondokuz Mayıs University | 23 |
| Ankara City Hospital Bilkent | 20 |
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 | 2,809 |
| Agnosia | 267 |
| Pain | 230 |
| Acute Pain | 91 |
| Anxiety Disorders | 84 |
| Postoperative Nausea and Vomiting | 69 |
| Chronic Pain | 66 |
| Postoperative Complications | 65 |
| Breast Neoplasms | 60 |
| Hernia, Inguinal | 42 |
Trials
Showing 1 to 25 of 2,809. Each trial links to its page on Pharma Observatory.
2,709 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.