Clinical trials
Phase 4 Osteoarthritis, Knee trials in the United States
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
59 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2001 | 1 |
| 2002 | 1 |
| 2003 | 2 |
| 2004 | 3 |
| 2005 | 2 |
| 2007 | 1 |
| 2008 | 1 |
| 2009 | 1 |
| 2011 | 4 |
| 2013 | 2 |
| 2015 | 5 |
| 2016 | 3 |
| 2017 | 2 |
| 2018 | 4 |
| 2019 | 2 |
| 2020 | 4 |
| 2021 | 4 |
| 2022 | 5 |
| 2023 | 3 |
| 2024 | 3 |
| 2025 | 3 |
| 2026 | 2 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 28 |
| Terminated | 10 |
| Recruiting | 5 |
| Unknown status | 5 |
| Withdrawn | 5 |
| Active, not recruiting | 3 |
| Not yet recruiting | 3 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Hospital for Special Surgery, New York | 5 |
| Pfizer's Upjohn has merged with Mylan to form Viatris Inc. | 5 |
| Brigham and Women's Hospital | 3 |
| University of Miami | 3 |
| Amp Orthopedics, Inc. | 2 |
| Northwestern University | 2 |
| The Cleveland Clinic | 2 |
| University of Kansas Medical Center | 2 |
| American Orthopaedic Society for Sports Medicine | 1 |
| Andrews Research & Education Foundation | 1 |
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 | 59 |
| Osteoarthritis | 10 |
| Postoperative Pain | 7 |
| Pain | 4 |
| Agnosia | 2 |
| Arthritis | 2 |
| Opioid-Related Disorders | 2 |
| Acute Pain | 1 |
| Chronic Pain | 1 |
| Diabetes Mellitus, Type 2 | 1 |
Trials
Showing 1 to 25 of 59. Each trial links to its page on Pharma Observatory.
Recently changed trials
Changes observed in the last 7 days, newest first, site-count changes left out. Source: ClinicalTrials.gov.
No changes to these trials in the last 7 days.
Go deeper on Pharma Observatory
Pharma Observatory connects clinical trials, sponsors, sites and investigators in one searchable platform.