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Metal-on-metal Hip Replacement MRI Study

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Zimmer Biomet

Status

Completed

Conditions

Hip Athroplasty Using M2a Magnum

Study type

Observational

Funder types

Industry

Identifiers

NCT03409640
ORTHO.CR.GH34

Details and patient eligibility

About

This study is being conducted to determine the rate of symptomatic and asymptomatic nonmalignant, noninfective soft tissue mass presence (referred to in the literature as pseudotumour, ALVAL, ARMD, cysts or lesions) in primary metal on metal hip replacement patients. The primary objective of the study is to determine the prevalence of masses in unbiased Metal on Metal (MoM) samples drawn from one study centre. The subjects receiving the Metal on Metal devices will be observed at two specific time points. Secondary objectives are to evaluate whether the occurrence of masses is related to any of several potential factors including patient and implant characteristics and time since the implant procedure took place.

Enrollment

100 patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

• Patients implanted with the M2a Magnum who were evaluated via MRI and metal ion analysis between 2012 and 2013.

Exclusion criteria

  • If the primary device was implanted for less than 36 months (in the case of patients already revised) or has been in place for less than 36 months (in the case of patients with the device still in place).
  • If the patient is contraindicated for any of the diagnostic tests.
  • If the patient fails to consent to participating in the study.

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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