Condition : Medial Monocompartmental Osteoarthritis of the Knee Intervention : Device: Position HTO system Sponsor : Aesculap AG Completed - verified July 2011

Conditions : Osteoarthritis, Knee; Pain Interventions : Drug: Tramadol HCl Contramid® Once A Day; Drug: Tramadol HCl Twice a day Sponsor : Labopharm Inc. Completed - verified July 2011

Conditions : Pain; Osteoarthritis, Knee Interventions : Drug: Tramadol OAD; Drug: Tramadol OAD; Drug: Tramadol OAD; Drug: Tramadol OAD 100mg Sponsor : Labopharm Inc. Completed - verified July 2011

Condition : Osteoarthritis, Knee Interventions : Radiation: MRI; Procedure: Primary Total Knee Replacement Sponsors : The New England Baptist Hospital; Genzyme Recruiting - verified June 2011

Conditions : Knee Cartilage Defects; Osteoarthritis Intervention : Biological: Bone marrow derived mesenchymal stem cells Sponsors : Royan Institute; Tehran University of Medical Sciences Completed -...

Condition : Osteoarthritis, Knee Intervention : Drug: Tramadol Once A Day Sponsor : Labopharm Inc. Completed - verified July 2011

Conditions : Pain; Osteoarthritis Interventions : Drug: Tramadol Once a day; Drug: Placebo Sponsor : Labopharm Inc. Completed - verified July 2011

Conditions : Pain; Osteoarthritis, Knee Interventions : Drug: Tramadol Once A Day; Drug: Placebo Sponsor : Labopharm Inc. Completed - verified July 2011

Condition : Pain Interventions : Drug: Tramadol Once A Day; Drug: Placebo Sponsor : Labopharm Inc. Completed - verified July 2011

Condition : Osteoarthritis, Knee Intervention : Device: pneumatic brace Sponsors : The New England Baptist Hospital; Boston University; Spaulding Rehabilitation Hospital Completed - verified July 2011