CompletedNot Applicable

Unipolar or Bipolar Hemiarthroplasty in the Treatment of Displaced Femoral Neck Fractures.

Norway28 participantsStarted 2009-09

Plain-language summary

Hemiarthroplasty of the hip is standard treatment of femoral neck fractures (hip fractures). Hemiarthroplasty means replacing the hip joint with a metal prosthesis. Unipolar prostheses has a one-piece design where the hip movement occurs between the prosthesis and the acetabulum (hip socket). A bipolar prosthesis has an additional artificial joint between the two components of the prosthesis. Both treatments are clinically proven and common around the world. No clinical trial has proven benefits of one or the other prosthesis design. The investigators want to measure the differences in acetabular wear using these two prostheses, using radiostereometric measurements.

Who can participate

Age range

70 Years

Sex

ALL

See this in plain English?

AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.

Inclusion Criteria: * Displaced femoral neck fracture * 70 years or older * Ambulatory status: No walking aids * No mental illness or impaired cognitive function Exclusion Criteria: * Pathological fracture (malignant disease) * Ongoing systemic or local infection * Radiologically presence of acetabular wear (osteoarthrosis)

Questions worth asking your doctor

Bring these to your next appointment. They're a starting point for a shared conversation — not a sign you qualify or a recommendation to enrol.

1Based on my diagnosis and history, is this trial worth exploring for me — or is there a standard treatment we should try first?
2What does this trial's phase tell us about how much is already known about its safety and benefit?
3What would taking part actually involve for me — visits, tests, time, and travel?
4What are the known and possible risks or side effects I should weigh, and how would they be monitored?
5If this trial isn't the right fit, what other options or trials would you suggest I look into?

Generated to help you prepare — always confirm anything about your own eligibility and care with the study team and your doctor.

Questions for the trial coordinator

The trial coordinator is the person who runs the study day to day. These cover the practical side — logistics, costs, and what taking part would actually mean for your life. The study team confirms whether you meet the criteria; these are questions to ask, not a sign you qualify.

1What does taking part actually involve week to week — how many visits, where, and how long does each one take?
2What costs are covered by the study, and what might I have to pay for myself, including travel, parking, or time off work?
3What happens during screening, and what happens if the study team confirms I don't meet the criteria after those tests?
4Who pays for the scans, blood work, and other tests the trial requires — the study, my insurance, or me?
5How will being in the trial affect my regular care, and will my own doctor stay informed and involved?
6Can I leave the trial at any point if I change my mind, and what would happen to my care if I do?

A starting point for the conversation — always confirm anything about your own eligibility, costs, and care with the study team and your doctor.

What they're measuring

Acetabular wear measured with radiostereometry

Timeframe: 24 months

Trial details

NCT IDNCT00746876

SponsorSykehuset Asker og Baerum

Sponsor typeOTHER

Study typeINTERVENTIONAL

Primary completion2012-12

View on ClinicalTrials.gov More Hip Fractures trials