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JUPITER 4.0 - Risk Factors for Failure of Isolated Medial Patellofemoral Ligament Reconstruction

Recruitingn/aAges 10 Years - 35 YearsAllHospital for Special Surgery, New York
NCT06883396 on ClinicalTrials.gov ↗
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In plain words

What the trial is, and whether it could suit you

The goal of this observational study is to learn about the outcomes of medial patellofemoral ligament (MPFL) reconstruction for the treatment of recurrent patellar instability. The main questions it aims to answer are: * What are the risk factors for recurrent patellar instability after MPFL reconstruction? * What functional outcomes do patients report after MPFL reconstruction? Participants undergoing MPFL reconstruction will answer survey questions about their knee and activity level 1 year and 2 years after surgery.

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📋 Eligibility rules (as published)
Inclusion Criteria: * 10-35 years old * Recurrent patellar instability with at least one episode defined as either (1) a dislocated patella requiring reduction in the emergency department or (2) a convincing history for dislocation, associated with full giving way, and the following physical findings: (a) hemarthrosis or effusion, (b) tenderness along the medial retinaculum, and (c) apprehension when laterally directed force was applied to the patella or (3) MRI-documented dislocation with associated bone bruises Exclusion Criteria: * Previous ipsilateral knee surgery * Obligatory/fixed/habitual patella dislocation or subluxation * Unloadable inferior or lateral chondral damage on the patella that would require a tibial tubercle transfer for unloading purposes * Pathologic tibiofemoral instability
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What it tests

  • Medial Patellofemoral Ligament (MPFL) Reconstruction
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Where

16 sites
Stanford University
Redwood City, United States
University of Florida
Gainesville, United States
Midwest Orthopaedics at Rush
Chicago, United States
University of Iowa
Iowa City, United States
Massachusetts General Hospital
Boston, United States
Boston Children's Hospital
Boston, United States
Mayo Clinic
Rochester, United States
Mount Sinai
New York, United States

…and 8 more on ClinicalTrials.gov.

🤝 Taking part is your choice, and you can leave at any time. Only the trial team can confirm you are eligible — always decide together with your own doctor.
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