Clinical trials
Pain trials with no applicable phase
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
5,182 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 2 |
| 2001 | 7 |
| 2002 | 8 |
| 2003 | 17 |
| 2004 | 29 |
| 2005 | 30 |
| 2006 | 41 |
| 2007 | 61 |
| 2008 | 77 |
| 2009 | 80 |
| 2010 | 108 |
| 2011 | 122 |
| 2012 | 125 |
| 2013 | 130 |
| 2014 | 164 |
| 2015 | 157 |
| 2016 | 206 |
| 2017 | 213 |
| 2018 | 246 |
| 2019 | 288 |
| 2020 | 263 |
| 2021 | 386 |
| 2022 | 448 |
| 2023 | 467 |
| 2024 | 545 |
| 2025 | 550 |
| 2026 | 371 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 3,261 |
| Unknown status | 657 |
| Recruiting | 450 |
| Not yet recruiting | 340 |
| Terminated | 171 |
| Active, not recruiting | 115 |
| Withdrawn | 104 |
| Enrolling by invitation | 67 |
| Suspended | 17 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Riphah International University | 196 |
| Cairo University | 44 |
| Istanbul University - Cerrahpasa | 43 |
| Ataturk University | 41 |
| Northwestern University | 39 |
| Hacettepe University | 38 |
| Stanford University | 36 |
| VA Office of Research and Development | 36 |
| Inonu University | 32 |
| Mersin University | 30 |
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 | 5,182 |
| Anxiety Disorders | 741 |
| Agnosia | 316 |
| Postoperative Pain | 230 |
| Chronic Pain | 199 |
| Fibromyalgia | 162 |
| Fatigue | 154 |
| Osteoarthritis, Knee | 136 |
| Neoplasms | 117 |
| Low Back Pain | 116 |
Trials
Showing 1 to 25 of 5,182. Each trial links to its page on Pharma Observatory.
5,082 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.