This is a post-approval study with prospective enrollment in the United States and a retrospective enrollment outside the United States to obtain functional, quality of life and radiographic data, which will facilitate assessment of the clinical performance of the Zimmer Trilogy AB Acetabular Hip System.
Read more: http://www.clinicaltrials.gov/ct2/show/NCT00715026?cond=%22Arthritis%22&lup_s=07/14/2011&lup_d=30
