The objectives of this study are to assess migration of the MIS Stem compared to the Synergy Hip System, and to assess the long-term safety and effectiveness of the study device using Radiostereometric Analysis (RSA). This study will document any device-related surgical or post-operative complications and adverse radiographic observations.

Patients meeting the entrance criteria specified in this protocol will be randomized as they become available.

Read more: http://www.clinicaltrials.gov/ct2/show/NCT01064531?cond=%22Arthritis%22&lup_s=07/28/2011&lup_d=30