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New registry aims to improve care for fractures near joint implants

NCT ID NCT03378557

Knowledge-focused Sponsor: AO Innovation Translation Center 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 26, 2026 · Updated 1 time

Summary

This registry collects information from 600 adults who have a fracture near a hip or knee replacement. Doctors will record fracture type, treatment, and recovery to learn what works best. The goal is to improve patient safety and quality of care for these injuries.

What this could mean

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

What this could lead to
If successful, this registry could provide better guidelines for treating fractures around hip and knee replacements, potentially reducing complications and improving recovery.
What could go wrong
This is an observational registry, not a treatment trial, so it won't directly test a new therapy. Results depend on data quality and may take years to influence practice.

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 600 people

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

Started

Dec 2018

Expected to finish

Mar 2027

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

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

Who is studied

Patients with total or hemi hip or knee arthroplasty and who have a fracture around one of the arthroplasty

Ages

18 years and older

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: * Age ≥18 years * Post-operative PPFx after total or hemi hip or total or unicondylar knee arthroplasty (including the acetabulum, femur, patella and proximal tibia) requiring * osteosynthesis alone or * component revision plus plate/nail osteosynthesis * Informed consent obtained, i.e.: * Ability of the patient or assigned representative to understand the content of the patient information / Informed Consent Form * Signed and dated EC / IRB approved written informed consent * Ability to attend post-operative follow up visits Exclusion Criteria: * Pregnancy or women planning to conceive within the study period * Prisoner

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Conditions

The condition(s) this trial relates to.

bone fracture Periprosthetic Fractures

As listed by the trial registrant

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

Periprosthetic fracture around prosthetic joint implant Periprosthetic fractures

How to take part

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

  1. The places running it

    12 sites in 6 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

  • BG-Unfallklinik Ludwigshafen

    RECRUITING

    Ludwigshafen, Germany

  • Charité Universitätsmedizin Berlin

    RECRUITING

    Berlin, Germany

  • Hospital Santa Clara

    RECRUITING

    Bogotá, Colombia

  • Hospital Universitario Son Llàtzer

    RECRUITING

    Palma de Mallorca, Spain

  • Jersey City Medical Center RWJ Barnabas Health

    RECRUITING

    Jersey City, New Jersey, 07302, United States

  • Kantonspital Baselland

    TERMINATED

    Liestal, 4410, Switzerland

  • Saint Barnabas Medical Center Livingston

    RECRUITING

    Livingston, New Jersey, 07039, United States

  • Universitaire Ziekenhuiven Leuven

    RECRUITING

    Leuven, Belgium

  • University of Missouri Health Care

    RECRUITING

    Columbia, Missouri, 65201, United States

  • Universitätsklinikum Münster

    RECRUITING

    Münster, Germany

  • Universitätsspital Basel

    RECRUITING

    Basel, Switzerland

  • Universitätsspital Zürich

    RECRUITING

    Zurich, Switzerland

  • Vanderbilt University Medical Center

    RECRUITING

    Nashville, Tennessee, 37232, United States

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