Clinical trials
Osteoarthritis, Knee trials with no applicable phase
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
1,808 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 1 |
| 2001 | 3 |
| 2002 | 5 |
| 2003 | 2 |
| 2004 | 7 |
| 2005 | 8 |
| 2006 | 13 |
| 2007 | 11 |
| 2008 | 15 |
| 2009 | 21 |
| 2010 | 22 |
| 2011 | 43 |
| 2012 | 47 |
| 2013 | 33 |
| 2014 | 56 |
| 2015 | 61 |
| 2016 | 76 |
| 2017 | 94 |
| 2018 | 120 |
| 2019 | 129 |
| 2020 | 122 |
| 2021 | 141 |
| 2022 | 156 |
| 2023 | 173 |
| 2024 | 151 |
| 2025 | 161 |
| 2026 | 121 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 1,004 |
| Unknown status | 326 |
| Recruiting | 190 |
| Not yet recruiting | 108 |
| Active, not recruiting | 80 |
| Terminated | 53 |
| Withdrawn | 34 |
| Enrolling by invitation | 9 |
| Suspended | 4 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Riphah International University | 70 |
| Cairo University | 24 |
| Istituto Ortopedico Rizzoli | 21 |
| University of North Carolina, Chapel Hill | 18 |
| University of British Columbia | 17 |
| Chinese University of Hong Kong | 14 |
| Zimmer Biomet | 14 |
| Assiut University | 13 |
| The Hong Kong Polytechnic University | 13 |
| McMaster University | 12 |
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 | 1,808 |
| Osteoarthritis | 320 |
| Pain | 136 |
| Osteoarthritis, Hip | 82 |
| Arthritis | 51 |
| Chronic Pain | 36 |
| Postoperative Pain | 29 |
| Obesity | 27 |
| Joint Diseases | 26 |
| Agnosia | 24 |
Trials
Showing 26 to 50 of 1,808. Each trial links to its page on Pharma Observatory.
1,708 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.