Clinical trials
Postoperative Pain trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
5,393 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2001 | 7 |
| 2002 | 10 |
| 2003 | 14 |
| 2004 | 21 |
| 2005 | 34 |
| 2006 | 40 |
| 2007 | 58 |
| 2008 | 79 |
| 2009 | 97 |
| 2010 | 98 |
| 2011 | 123 |
| 2012 | 113 |
| 2013 | 105 |
| 2014 | 146 |
| 2015 | 185 |
| 2016 | 201 |
| 2017 | 275 |
| 2018 | 319 |
| 2019 | 351 |
| 2020 | 324 |
| 2021 | 411 |
| 2022 | 453 |
| 2023 | 457 |
| 2024 | 472 |
| 2025 | 429 |
| 2026 | 546 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 3,093 |
| Unknown status | 884 |
| Recruiting | 515 |
| Not yet recruiting | 380 |
| Terminated | 206 |
| Withdrawn | 130 |
| Active, not recruiting | 117 |
| Enrolling by invitation | 57 |
| Suspended | 11 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Cairo University | 126 |
| Assiut University | 100 |
| Ain Shams University | 94 |
| Seoul National University Hospital | 35 |
| Tanta University | 34 |
| Ataturk University | 32 |
| Cukurova University | 31 |
| Istanbul University | 28 |
| Ondokuz Mayıs University | 28 |
| University of California, San Diego | 28 |
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 | 5,393 |
| Agnosia | 549 |
| Pain | 519 |
| Acute Pain | 191 |
| Postoperative Nausea and Vomiting | 154 |
| Chronic Pain | 145 |
| Postoperative Complications | 106 |
| Anxiety Disorders | 104 |
| Breast Neoplasms | 99 |
| Hernia, Inguinal | 81 |
Trials
Showing 1 to 25 of 5,393. Each trial links to its page on Pharma Observatory.
5,293 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.