Clinical trials
Recruiting Pain trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
652 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2001 | 1 |
| 2004 | 1 |
| 2006 | 1 |
| 2009 | 1 |
| 2011 | 1 |
| 2012 | 1 |
| 2013 | 2 |
| 2014 | 1 |
| 2015 | 1 |
| 2016 | 2 |
| 2017 | 1 |
| 2018 | 10 |
| 2019 | 9 |
| 2020 | 11 |
| 2021 | 12 |
| 2022 | 26 |
| 2023 | 59 |
| 2024 | 134 |
| 2025 | 214 |
| 2026 | 164 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Recruiting | 652 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Riphah International University | 30 |
| Beijing Tiantan Hospital | 15 |
| VA Office of Research and Development | 8 |
| Weill Medical College of Cornell University | 8 |
| Duke University | 7 |
| Hacettepe University | 7 |
| Yale University | 7 |
| Tanta University | 6 |
| Assistance Publique - Hôpitaux de Paris | 5 |
| Massachusetts General Hospital | 5 |
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 |
|---|---|
| Pain | 652 |
| Anxiety Disorders | 70 |
| Agnosia | 50 |
| Chronic Pain | 33 |
| Postoperative Pain | 28 |
| Fibromyalgia | 27 |
| Osteoarthritis, Knee | 21 |
| Osteoarthritis | 17 |
| Endometriosis | 16 |
| Fatigue | 14 |
Trials
Showing 26 to 50 of 652. Each trial links to its page on Pharma Observatory.
552 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.