RSA-measured in Vivo Migration and Micromotion in the DePuy Tri-Lock, Corail and Deltamotion Hip Replacement Components (DePuy RSA RCT)

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University of Oxford

Status

Unknown

Conditions

Hip Osteoarthritis

Treatments

Device: DePuy Tri-Lock® femoral stem + Deltamotion® acetabular component
Device: DePuy Corail® femoral stem + Deltamotion® acetabular component

Study type

Interventional

Funder types

Other
Industry

Identifiers

NCT02696395
DePuy RSA RCT

Details and patient eligibility

About

Hip replacements are being performed on an increasingly active population, who are likely to wear their implants out prematurely. New hip replacements have been devised to minimise the risk of failure. DePuy RSA RCT is a randomised controlled trial designed to compare the performance of two established types of hip replacements using Corail and Tri-Lock stems along with Deltamotion acetabular component. The primary objective of the trial is to compare the long term stability of these two devices.To do this, the study will use an advanced 3D Xray technique to detect migration of the components at 3 years. The study will also measure micromotion of Corail, Tri-Lock and Deltamotion components, patient reported outcome measures and change in bone density.This study is being conducted at a single site, at the Nuffield Orthopaedic Centre, Oxford.

Enrollment

40 estimated patients

Sex

All

Ages

18 to 70 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Women aged between 18 and 65 years and men aged between 18 and 70 years.

    • Participant is willing and able to give informed consent for participation in the study.
    • Diagnosed with hip osteoarthritis.
    • Able (in the Investigators opinion) and willing to comply with all study requirements.
    • Willing to allow his or her General Practitioner and consultant, if appropriate, to be notified of participation in the study.

Exclusion criteria

  • Any patients with an inflammatory arthropathy, osteoporosis or deformities of the proximal femur.

    • Patients who have significant co-morbidities that would make follow-up difficult or uncomfortable.
    • Any other significant disease or disorder which, in the opinion of the Investigator, may either put the participants at risk because of participation in the study, or may influence the result of the study, or the participant's ability to participate in the study.

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Single Blind

40 participants in 2 patient groups

DePuy Tri-Lock®
Active Comparator group
Description:
Total hip replacement with DePuy Tri-Lock® femoral stem and Deltamotion® acetabular component. The surgery will be conducted using a postero-lateral approach followed by post operative rehabilitation as per standard care.
Treatment:
Device: DePuy Tri-Lock® femoral stem + Deltamotion® acetabular component
DePuy Corail®
Active Comparator group
Description:
Total hip replacement with DePuy Corail® femoral stem and Deltamotion® acetabular component. The surgery will be conducted using a postero-lateral approach followed by post operative rehabilitation as per standard care.
Treatment:
Device: DePuy Corail® femoral stem + Deltamotion® acetabular component

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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