Comparison of Ceramic-on-Ceramic and Ceramic-on-Highly-Cross-Linked Polyethylene Bearings

Comparison of Ceramic-on-Ceramic and Ceramic-on-Highly-Cross-Linked Polyethylene Bearings in Primary Cementless Total Hip Arthroplasty in the Same Patients

Status

Completed

Phases

Phase 4

Study type

Interventional

Source

ClinicalTrials.gov

Registry ID

NCT01806766

Enrollment

100

Registered

2013-03-07

Start date

1998-01-31

Completion date

2012-12-31

Last updated

2013-03-07

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Osteoarthritis, Osteonecrosis

Keywords

cementless total hip arthroplasty, ceramic on ceramic bearing, ceramic on highly cross linked polyethylene, young patient

Brief summary

The purpose of this prospective, randomized study was to compare the clinical and radiographic results and the prevalence of osteolysis of the cementless total hip arthroplasty with an alumina-on-alumina bearings one side and alumina-on-highly cross-linked polyethylene bearings on the other side in the young and active patients.

Interventions

PROCEDURECeramic on Ceramic bearing

cementless Total Hip Arthroplasty with Ceramic on ceramic bearing

PROCEDURECeramic on Highly crosslinked polyethylene bearing

Cementless Total Hip Arthroplasty with Ceramic on Highly crosslinked polyethylene bearing

Study design

Allocation

RANDOMIZED

Intervention model

PARALLEL

Primary purpose

TREATMENT

Masking

SINGLE (Subject)

Eligibility

Sex/Gender

ALL

Age

18 Years to No maximum

Healthy volunteers

Inclusion criteria

* Primary hip osteoarthritis * Secondary hip osteoarthritis * Avascular necrosis of femoral head

Exclusion criteria

* Previous surgical history of hip

Design outcomes

Primary

Measure	Time frame	Description
Harris hip score	Pre-op, last follow-up(11-13 years)	Comparing harris hip score before and after the intervention, and at the final follow-up, between two sides.

Secondary

Measure	Time frame	Description
Western Ontario and McMaster Universities Osteoarthritis Index(WOMAC)	preop, last follow-up(11-13 years)	WOMAC index before, and after the intervention, and between sides at the last follow-up

Countries

South Korea

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026