Clinical trials
Osteoarthritis, Knee trials in the United States
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
780 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2001 | 3 |
| 2002 | 4 |
| 2003 | 7 |
| 2004 | 15 |
| 2005 | 14 |
| 2006 | 16 |
| 2007 | 18 |
| 2008 | 14 |
| 2009 | 22 |
| 2010 | 20 |
| 2011 | 25 |
| 2012 | 26 |
| 2013 | 26 |
| 2014 | 29 |
| 2015 | 35 |
| 2016 | 44 |
| 2017 | 43 |
| 2018 | 54 |
| 2019 | 53 |
| 2020 | 53 |
| 2021 | 60 |
| 2022 | 49 |
| 2023 | 46 |
| 2024 | 31 |
| 2025 | 37 |
| 2026 | 25 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 468 |
| Terminated | 88 |
| Recruiting | 81 |
| Unknown status | 57 |
| Active, not recruiting | 40 |
| Withdrawn | 27 |
| Not yet recruiting | 13 |
| Enrolling by invitation | 4 |
| Suspended | 2 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| University of North Carolina, Chapel Hill | 19 |
| VA Office of Research and Development | 17 |
| Hospital for Special Surgery, New York | 15 |
| Pacira Pharmaceuticals, Inc | 14 |
| Mayo Clinic | 12 |
| Duke University | 11 |
| Northwestern University | 11 |
| University of Iowa | 11 |
| Regeneron Pharmaceuticals | 9 |
| Rush University Medical Center | 9 |
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 |
|---|---|
| Osteoarthritis, Knee | 780 |
| Osteoarthritis | 247 |
| Pain | 65 |
| Osteoarthritis, Hip | 60 |
| Arthritis | 55 |
| Joint Diseases | 23 |
| Chronic Pain | 22 |
| Knee Injuries | 14 |
| Musculoskeletal Diseases | 14 |
| Obesity | 14 |
Trials
Showing 1 to 25 of 780. Each trial links to its page on Pharma Observatory.
680 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.