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St. Peters, Missouri 63376


The purpose of this study is to evaluate the survivorship and efficacy of the Encore 3DKnee™ system in a group of patients who will receive the 3DKnee™ as a primary (first) orthopedic implant in the knee. Each knee will be designated as a separate subject and followed for a period of 2 years.


Inclusion Criteria: - This must be a primary knee replacement on this knee. - Have knee joint disease related to one or more of the following - degenerative joint disease, including osteoarthritis or traumatic arthritis - Avascular necrosis of the femoral condyles - Post-traumatic loss of joint configuration, particularly when there is patellofemoral erosion, dysfunction or prior patellectomy - Moderate valgus, varus, or flexion deformities - Rheumatoid arthritis - Patient is likely to be available for evaluation for the duration of the study - Able and willing to sign the informed consent and follow study procedures - Patient is not pregnant - Patient must be over 18 years of age Exclusion Criteria: - If there has been a total knee replacement on this knee in the past (no revisions allowed in study) - Infection, or history of infection, acute or chronic, local or systemic - Alcoholism or other addictions - Muscular, neurological or vascular deficiencies which compromise the affected extremity - Obesity - Insufficient bone quality - Loss of ligamentous structures - High levels of physical activity - Materials sensitivity - Prisoner - Mental conditions that may interfere with the patient's ability to give an informed consent or willingness to fulfill the study requirements - Patient is pregnant - Is younger than 18 years of age



Primary Contact:

Principal Investigator
John McAllister, M.D.
St. Peter's Bone and Joint Surgery

Backup Contact:


Location Contact:

St. Peters, Missouri 63376
United States

There is no listed contact information for this specific location.

Site Status: N/A

Data Source: ClinicalTrials.gov

Date Processed: October 09, 2019

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