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Hip implant Check-Up: how does AMIStem hold up?

NCT ID NCT03505580

Knowledge-focused 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 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 Results may not be published yet.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 This study
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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study reviewed 500 people who received an AMIStem hip replacement between 2009 and 2012. Researchers checked X-rays at 1, 5, and 10 years after surgery to see if the implant was loose or causing problems. The goal was to understand how well the implant performs over time, not to test a new treatment.

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 500 people

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

Start date

Oct 2013

Finished

Aug 2025

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

All the patients who undewent total hip arthroplasty with AMIStem-H cementless femoral stem at the investigational sites between April 2009 and April 2012

Ages

18 years and older

Sex

Anyone

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: * patients who underwent total hip arthroplasty at the investigational sites between April 2009 and April 2012 * patients bearing an AMIStem-H cementless femoral stem Exclusion Criteria: * patients who refuse to give consent for the treatment of data

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As listed by the trial registrant

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

Hip replacement arthroplasty

Contacts and locations

Locations

  • Clinique Paris V

    Paris, France, 75005, France

  • Clinique du Cèdre

    Bois-Guillaume, 76230, France

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