Status:

RECRUITING

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

Lead Sponsor:

Hospital for Special Surgery, New York

Collaborating Sponsors:

American Orthopaedic Society for Sports Medicine

Orthopedic Research and Education Foundation

Conditions:

Patellar Dislocation, Recurrent

Patellar Dislocation

Eligibility:

All Genders

10-35 years

Brief Summary

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 a...

Detailed Description

The JUPITER group consists of high-volume patellofemoral surgeons across the United States, and was organized to facilitate the collection of clinical and radiographic outcomes following surgical and ...

Eligibility Criteria

Inclusion

  • 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

  • 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

Key Trial Info

Start Date :

January 1 2023

Trial Type :

OBSERVATIONAL

Allocation :

ESTIMATED

End Date :

December 1 2027

Estimated Enrollment :

850 Patients enrolled

Trial Details

Trial ID

NCT06883396

Start Date

January 1 2023

End Date

December 1 2027

Last Update

March 19 2025

Active Locations (16)

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Page 1 of 4 (16 locations)

1

Stanford University

Redwood City, California, United States, 94063

2

University of Florida

Gainesville, Florida, United States, 32607

3

Midwest Orthopaedics at Rush

Chicago, Illinois, United States, 60612

4

University of Iowa

Iowa City, Iowa, United States, 52242