A Clinical Study on the Dislocation and Wear of Highly Crosslinked Polyethylene Liner

A Clinical Study on the Dislocation and Wear of Highly Crosslinked Polyethylene Liner - 26/32 Study

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000005316

Enrollment

240

Registered

2011-03-25

Start date

2002-04-01

Completion date

Unknown

Last updated

2026-06-29

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

Conditions

Osteoarthritis of the Hip, Avascular Necrosis of the Femoral Head

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients who underwent total hip arthroplasty using Longevity

Exclusion criteria

Exclusion criteria: - Patients with osteomyelitis of the upper femoral bone - Patients with active infection at the affected joint - Patients with extremely insufficient bone mass - Patients who have already undergone hip replacement arthroplasty - Patients with the socket outer diameter of less than 48 mm - Other patients who are judged to be ineligible to participate in the study by the surgeon

Design outcomes

Primary

Measure	Time frame
The mean annual wear of the polyethylene liner and the incidences of dislocation	—

Secondary

Measure	Time frame
X-ray findings, Harris Hip Score, JOA Score and QOL	—

Countries

Japan

Contacts

Public ContactAkira Kashima

Zimmer Biomet G.K. Clinical Affairs

akira.kashima@zimmerbiomet.com03-6402-6600

Outcome results