Clinical trials
Phase 4 Acute Pain trials with unknown status
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
24 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2008 | 1 |
| 2009 | 1 |
| 2011 | 1 |
| 2013 | 1 |
| 2014 | 1 |
| 2017 | 5 |
| 2018 | 2 |
| 2019 | 3 |
| 2020 | 2 |
| 2021 | 3 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 2 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Unknown status | 24 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Chinese PLA General Hospital | 2 |
| The Brooklyn Hospital Center | 2 |
| Ankara University | 1 |
| Anna Meuronen, MD | 1 |
| Centre Hospitalier Universitaire Saint Pierre | 1 |
| Chadrick Evans | 1 |
| Fondazione IRCCS Policlinico San Matteo di Pavia | 1 |
| Hamilton Health Sciences Corporation | 1 |
| Hospital Padre Hurtado | 1 |
| Li-Jen Hsin | 1 |
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 |
|---|---|
| Acute Pain | 24 |
| Postoperative Pain | 8 |
| Agnosia | 3 |
| Chronic Pain | 3 |
| Anxiety Disorders | 2 |
| Delirium | 2 |
| Hyperalgesia | 2 |
| Pain | 2 |
| Accidental Injuries | 1 |
| Coronary Artery Disease | 1 |
Trials
Showing 1 to 24 of 24. Each trial links to its page 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.
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