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Clinical Trial Summary

In England each year over 9,000 people fracture their hip. Most of these are elderly females with the fracture occurring after a fall. Approximately half of these fractures are classified as intracapsular fractures because of their close proximity to the hip joint. The majority of these fractures are treated surgically by excising the broken femoral neck and removing the femoral head (ball part of the hip joint) and replacing it with an artificial hip joint. This hip replacement has traditionally been a hemiarthroplasty or sometimes termed a 'half hip replacement' in which only the ball part of the hip joint is replaced. An alternative type of hip replacement is the full total hip replacement in which the socket part of the joint is also replaced. This is the operation that is used for replacing arthritic hips. In recent years there have been a number of randomised trials that have compared the outcome for patients with an intracapsular hip fracture treated with either a partial hip replacement (hemiarthroplasty) against those treated with a total hip replacement (THR). Results to date have suggested slightly better long term functional results for those treated with a THR, but it still remains unclear if these benefits are offset by the increased surgical complexity of the procedure and the extra cost involved for a THR. At present the numbers of studies on this topic are too few with limited patient numbers to make any definite conclusions. This study aims to add to the research studies by comparing the two surgical procedures, to enable orthopaedic surgeons to determine the optimum surgical treatment for this common and disabling condition.

Clinical Trial Description

The trial will be run as close to the ideal trial methodology for a randomised trial as specified by the CONSORT statement as possible. This will include secure randomisation, intention to treat analysis, full reporting of outcomes and follow-up by a person who is blinded to the prosthesis used. The trial will follow the code of good clinical practice as specified by the hospital trusts Research and Development Committee. In Peterborough all hip fracture patients are admitted to the acute trauma ward and transferred to the care of MJP. Those patients that are willing to participant in one of our randomised trials are consented prior to surgery. Treatment follows standard evidence based protocols with follow-up of all patients in a hip fracture clinic. A comprehensive database is maintained for all patients containing both audit and research data. Included in this is a standardised assessment of outcome. The surgical treatments under comparison will be either a cemented Exeter stem monoblock prosthesis inserted via an anteriolateral surgical approach or a cemented Total hip replacement. The stem for the THR will be a polished tapered stem of the Exeter type with a 32 or 36mm head articulating with a cemented high density polyethylene cemented acetabular cup. All operations will be undertaken or supervised by MJP. Post-operative care programmes for the two patients will be identical. After discharge patient will be seen once in the hip fracture clinic by MJP. At this time they will also be assessed by the research nurse who is blinded to the type of prosthesis used. The outcome questionnaire is completed which includes an assessment of hip movement and limb shortening. All subsequent follow-up assessments will be done by phone call from the research nurse. Any patient with significant residual symptoms will be asked to re-attend the hip fracture clinic. ;

Study Design

Related Conditions & MeSH terms

NCT number NCT02998359
Study type Interventional
Source Peterborough and Stamford Hospitals NHS Foundation Trust
Status Completed
Phase N/A
Start date August 2013
Completion date July 2019

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