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New hip implant under surveillance: will it last?

NCT ID NCT02748408

Disease control Sponsor: Medacta International SA Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study is tracking 550 adults aged 18–75 who receive the Medacta SMS femoral stem during total hip replacement. Researchers will monitor how long the implant lasts, how well the hip functions, patient satisfaction, and quality of life. The goal is to confirm the device's safety and performance in real-world use.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
SMS femoral stem (a metal hip implant device)
What this could lead to
If successful, this study will confirm that the Medacta SMS hip stem is safe and effective for long-term use in hip replacement patients.
What could go wrong
This is an observational surveillance study, not a controlled trial, so results may be influenced by patient differences. Some patients may experience implant loosening, infection, or need revision surgery.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Participants

About 550 people

The number the study aims to enrol. It can still change while the study runs.

Start date

Jul 2015

Expected to finish

Jul 2032

An estimate. End dates often move.

Lead sponsor

A company

The lead sponsor is a pharmaceutical, biotech, or medical-device company.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

Individuals suitable for hip replacement using the Medacta SMS femoral stem

Ages

18 to 75 years

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Individuals with a severely painful and/or disabling hip joint with osteoarthritis, traumatic arthritis or developmental dysplasia of the hip or avascular necrosis of the femoral head. * In order to take part in this study, all study participants must be between the ages of 18 and 75 years of age, at the time of surgery. * Scheduled for a primary total hip replacement. Exclusion Criteria: * Active infection * Pregnancy * Mental illness where the known condition is likely to compromise the patient's ability to consent, affect the patient's assessment of their progress or complete the 10 year cycle of follow-up appointments and reviews * Grossly distorted anatomy (surgeon's discretion) * Osteomalacia where uncemented implant fixation is contraindicated * Active rheumatoid arthritis. * Osteoporosis * Metabolic disorders which may impair bone formation where uncemented implant fixation is contraindicated * Muscular atrophy or neuromuscular disease * Allergy to implant material * Any patient who cannot or will not provide informed consent for participation in the study * Those whose prospects for a recovery to independent mobility would be compromised by known coexistent, medical problems

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Conditions

The condition(s) this trial relates to.

arthritic joint disease arthropathy avascular necrosis of femoral head, primary, 1 developmental dysplasia of the hip familial avascular necrosis of femoral head Hip Dislocation, Congenital osteoarthritis rheumatoid arthritis

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Arthrosis Avascular necrosis of the femoral head Congenital hip dysplasia Rheumatoid polyarthritis Traumatic arthritis

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    4 sites in 4 countries. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Bürgerspital Solothurn

    RECRUITING

    Solothurn, CH-4500, Switzerland

  • Herz-Jesu Krankenhaus

    RECRUITING

    Vienna, 1030, Austria

  • Istituto Ortopedico Galezzi

    RECRUITING

    Milan, Milan, 20161, Italy

  • The Elective Orthopaedic Centre (EOC)

    RECRUITING

    Epsom, Surrey, KT18 7EG, United Kingdom

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