A prospective cohort study comparing metal-on-metal, metal-on-highly cross-linked polyethylene and ceramics-on-ceramics bearing surfaces of hip arthroplasty

Status

Active, not recruiting

Phases

Phase 4

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR-OCH-12002556

Enrollment

Unknown

Registered

2012-10-06

Start date

2003-01-01

Completion date

Unknown

Last updated

2017-04-18

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

Conditions

developmental dysplasia and osteoarthritis of hip

Interventions

1:MoM of HRA

2:MoM of TRA

Eligibility

Sex/Gender

All

Age

24 Years to 95 Years

Inclusion criteria

Inclusion criteria: Inclusion criteria were intact femoral neck, cystic lesions affecting < 33% of the femoral head on plain radiographs for HRA; predicted primary stability of a cementless acetabular component on pre-operative templating; no plans for child-bearing and no history of metal allergy or renal impairment.

Exclusion criteria

Exclusion criteria: Exclusion criteria included a history of hip joint sepsis, primary or secondary malignancy in the involved hip, and severe bone deficiency requiring the use of structural bone for either acetabular or femoral reconstruction.

Design outcomes

Primary

Measure	Time frame
annual osteolysis rate;	—

Secondary

Measure	Time frame
Harris hip score;Complication rate;	—

Countries

China

Contacts

Public ContactKerong Dai

krdai@163.com+86 021-23271133

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026