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Periprosthetic Fracture Registry (PPFx)

RecruitingObservational study

Multicenter Prospective Registry for Periprosthetic Fractures After Hip or Knee Arthroplasty

Who can join

Ages 18 and older · All sexes

Full eligibility criteria

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

About the study

This registry supports international data collection and research on PPFx treatments after hip and knee arthroplasty.

A registry such as this ultimately aims to provide far-reaching benefits to society including reduced morbidity and mortality, improved patient safety, improved quality of care and medical decision-making, reduced medical spending, and advances in orthopaedic science.

Sponsor: AO Innovation Translation Center · Participants: 600 · Started: Dec 31, 2018

Contact the study team

Marco Minoia · Phone: +41 79 612 09 67
Viola Grünenfelder · Phone: +41 796963397

Official record on ClinicalTrials.gov — NCT03378557

Locations in the U.S.

Missouri	University of Missouri Health Care, Columbia
New Jersey	Jersey City Medical Center RWJ Barnabas Health, Jersey City Saint Barnabas Medical Center Livingston, Livingston
Tennessee	Vanderbilt University Medical Center, Nashville

From ClinicalTrials.gov, data retrieved Oct 2, 2026. Each study sets its own eligibility; the study team decides who can join.