| Civamide in OA of the Knee(s) (NCT00077935) | Winston Laboratories | 2003-11-01 |
| A Dose-Ranging Study Of Valdecoxib 5 Mg, 10 Mg, And 20 Mg Once Daily Versus Placebo In Patients With Osteoarthritis Of The Knee (Japan) (NCT00650624) | Pfizer | 2003-06-01 |
| An Open-Label Long-term Safety Study of Tramadol HCl OAD (Once A Day) 300 mg in the Treatment of Pain Due to Osteoarthritis of the Knee (NCT00833911) | Labopharm Inc. | 2003-04-01 |
| Balanced Knee System Clinical Protocol for IRB Approval (NCT02362867) | Ortho Development Corporation | 2003-01-01 |
| A Four-Arm Study Comparing the Analgesic Efficacy and Safety of Tramadol Once a Day 100, 200 and 300 mg Versus Placebo for the Treatment of Pain Due to Osteoarthritis of the Knee (NCT00832416) | Labopharm Inc. | 2003-01-01 |
| Efficacy and Safety of Celecoxib Versus Ibuprofen in the Treatment of Osteoarthritis of the Knee (Europe) (NCT00630929) | Pfizer's Upjohn has merged with Mylan to form Viatris Inc. | 2003-01-01 |
| Multicenter Bone and Joint Health Study (NCT03033238) | University of California, San Francisco | 2003-01-01 |
| Randomised Controlled Trial PFC Versus CKS Total Knee Prostheses (NCT00228137) | Radboud University Medical Center | 2002-11-01 |
| Celebrex Short Versus Long Therapy In Osteoarthritis Of The Knee (NCT00137410) | Pfizer | 2002-11-01 |
| Efficacy and Safety of Celecoxib Versus Ibuprofen in the Treatment of Osteoarthritis of the Knee (United States) (NCT00620867) | Pfizer's Upjohn has merged with Mylan to form Viatris Inc. | 2002-10-01 |
| The Effect of Weight Loss and Exercise on Knee Osteoarthritis (NCT00061490) | Johns Hopkins University | 2002-09-01 |
| Efficacy and Safety of PG-530742 in the Treatment of Mild to Moderate Knee Osteoarthritis (NCT00041756) | Procter and Gamble | 2002-07-01 |
| A Comparison of the Analgesic Efficacy and Safety of Once Daily Tramadol HCl / Contramid® Tablets to Twice Daily Tramadol HCl (SR) for the Treatment of Osteoarthritis of the Knee (NCT00950651) | Labopharm Inc. | 2002-03-01 |
| A Comparison of the Analgesic Efficacy and Safety of Once Daily Tramadol OAD Tablets to Twice Daily Tramadol BID for the Treatment of Osteoarthritis of the Knee (Extension Protocol) and Open Label Safety Follow-Up (NCT00912015) | Labopharm Inc. | 2002-03-01 |
| Shoe Inserts for Treating Osteoarthritis of the Knee (NCT00032240) | Boston University | 2002-02-01 |
| P.F.C. Sigma Fixed Versus P.F.C. RP Mobile Bearing Total Knee Systems (NCT00208286) | DePuy International | 2001-11-01 |
| Comparison of Mobile-Bearing and Fixed-Bearing All-Polyethylene Tibia Total Knee Designs (NCT00894361) | Minneapolis Veterans Affairs Medical Center | 2001-10-01 |
| A Prospective Randomized Trial Using Roentgen Stereophotogrammetric Analysis of the Advance Medial Pivot Knee (NCT00405470) | Dalhousie University | 2001-07-01 |
| Functional Evaluation of the Total Knee Prostheses:Rising From a Chair (NCT00163228) | Radboud University Medical Center | 2001-01-01 |
| PFC Sigma Fixed and Mobile Knee Study (NCT00208325) | DePuy International | 2000-05-01 |
| Cost-Effectiveness of and Long-Term Outcomes Following Acupuncture Treatment for Osteoarthritis of the Knee (NCT00010647) | National Center for Complementary and Integrative Health (NCCIH) | 1999-08-01 |
| Hyaluronan Versus NaCl 20 Ml Versus Placebo in Knee Osteoarthritis (NCT00144820) | Glostrup University Hospital, Copenhagen | 1999-05-01 |
| Acupuncture Safety/Efficacy in Knee Osteoarthritis (NCT00010946) | National Center for Complementary and Integrative Health (NCCIH) | 1998-09-01 |
| Prevention of Arthritis-Related Work Disability (NCT00000416) | Boston University Charles River Campus | 1997-09-01 |
| Implantation of Gold Beads to Relieve Discomfort From Knee Osteoarthritis (NCT00487370) | Research Unit Of General Practice, Copenhagen | 1997-03-01 |
| Tidal Lavage in Knee Osteoarthritis (NCT00000424) | National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS) | 1995-07-01 |
| Effects of Strength Training on Knee Osteoarthritis (NCT00000406) | Indiana University | 1977-09-01 |
| Ketoprofen in Transfersome Compared to Oral Celecoxib and Placebo for Pain Associated With Osteoarthritis of the Knee (NCT00317733) | IDEA AG | |
| Non-inferiority Study of the Glucosamine Sulfate + Chondroitin Sulfate Association Capsule in Comparison to the CONDROFLEX® Product in Osteoarthrosis of the Knee (NCT01172249) | Mantecorp Industria Quimica e Farmaceutica Ltd. | |
| An Effectiveness, Safety and Quality of Life Measures With Hydromorphone HCL, Dilaudid CR (Controlled Release) (NCT00399048) | Alza Corporation, DE, USA | |