Metal-on-metal Hip Replacement MRI Study

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Total Enrollment

100 participants

Study Classification

OBSERVATIONAL

Study Start Date

2014-01-17

Study Completion Date

2017-12-31

Brief Summary

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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.

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Detailed Description

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Conditions

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Hip Athroplasty Using M2a Magnum

Study Design

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Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

Eligibility Criteria

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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.

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No