Clinical trials
Osteoarthritis, Knee trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
3,200 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 5 |
| 2001 | 7 |
| 2002 | 13 |
| 2003 | 18 |
| 2004 | 29 |
| 2005 | 26 |
| 2006 | 32 |
| 2007 | 43 |
| 2008 | 42 |
| 2009 | 55 |
| 2010 | 64 |
| 2011 | 88 |
| 2012 | 86 |
| 2013 | 94 |
| 2014 | 110 |
| 2015 | 121 |
| 2016 | 154 |
| 2017 | 170 |
| 2018 | 215 |
| 2019 | 206 |
| 2020 | 198 |
| 2021 | 242 |
| 2022 | 231 |
| 2023 | 273 |
| 2024 | 227 |
| 2025 | 235 |
| 2026 | 181 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 1,787 |
| Unknown status | 577 |
| Recruiting | 300 |
| Not yet recruiting | 163 |
| Active, not recruiting | 133 |
| Terminated | 133 |
| Withdrawn | 80 |
| Enrolling by invitation | 20 |
| Suspended | 7 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Riphah International University | 73 |
| Istituto Ortopedico Rizzoli | 31 |
| Cairo University | 25 |
| Zimmer Biomet | 22 |
| Assiut University | 19 |
| Chinese University of Hong Kong | 19 |
| University of North Carolina, Chapel Hill | 19 |
| Thammasat University | 17 |
| University of British Columbia | 17 |
| VA Office of Research and Development | 17 |
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 | 3,200 |
| Osteoarthritis | 689 |
| Pain | 255 |
| Osteoarthritis, Hip | 162 |
| Arthritis | 89 |
| Chronic Pain | 67 |
| Joint Diseases | 58 |
| Postoperative Pain | 52 |
| Obesity | 40 |
| Agnosia | 37 |
Trials
Showing 26 to 50 of 3,200. Each trial links to its page on Pharma Observatory.
3,100 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.