Survival of the Insignia Stem in Total Hip Arthroplasty

Status Enrolling by invitation

Clinical Trial Summary

The investigators primary objective of this study is to evaluate radiographic fit and fill of the Insignia stem and identify risk factors for aseptic failure. The investigators hypotheses being tested is: the newly designed Insignia stem demonstrates acceptable radiographic fit and fill by reviewing radiolucent lines <2mm.

Clinical Trial Description

Total hip arthroplasty is one of the most functionally restorative procedures in modern medicine. Since its introduction in the mid twentieth century significant advancements in implant materials have occurred. There is debate on the design of the femoral stem in total hip arthroplasty. The use of uncemented, Hydroxyapatite (HA)-coated femoral stems have been shown to be reliable and are commonly used. One such implant is the Insignia™ Hip Stem (Stryker, Kalamazoo, MI, USA). The Insignia™ Hip Stem is a collared stem that features a plasma-sprayed Hydroxyapatite (HA) coating over plasma-sprayed titanium in the proximal region and a plasma-sprayed HA coating over grit blast in the distal region and collar underside. Unfortunately, with it's novelty comes a lack of clinical follow-up and evaluation. As such, the investigators purpose of this study is to evaluate the early radiographic of the Insignia™ Hip Stem. ;

Study Design

Related Conditions & MeSH terms

Primary Total Hip Arthroplasty

Clinical Trial Details

NCT number	NCT05313321
Study type	Observational
Source	University of Utah
Contact
Status	Enrolling by invitation
Phase
Start date	March 17, 2022
Completion date	March 2026

View Details

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