Medial Patellofemoral Ligament Reconstruction With or Without Lateral Retinaculum Release

September 12, 2025 updated by: Hospices Civils de Lyon

Randomized Control Trial on Lateral Retinaculum Release in MPFL Reconstruction

The investigators hypothesis is lateral retinaculum release has no effect on treatment of Patellar Recurrent Dislocation with Medial Patellofemoral Ligament (MPFL) reconstruction.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Study Type

Interventional

Enrollment (Actual)

140

Phase

  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • France
      • Lyon, France, 69004
        • Croix-Rousse Hospital, Hospices Civils de Lyon

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years to 45 years (Adult)

Accepts Healthy Volunteers

No

Description

Inclusion Criteria:

  • age between 18yo and 45yo
  • indication for MPFL reconstruction
  • unilateral or bilateral indication

Exclusion Criteria:

  • indication for bony procedures
  • previous surgery for PF disorders
  • patient refusal

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Other: isolated MPFL reconstruction
Procedure: conventional surgery
conventional surgery: MPFL reconstruction
Experimental: MPFL reconstruction and Lateral retinaculum release
Procedure: MPFL reconstruction and lateral retinaculum release
MPFL is performed with a standard technique using gracilis tendon. A tunnel is performed at the femoral part with a bioabsorbable screw fixation and 2 bundles with suture fixation at the patellar side

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Patellar tilt measurement
Time Frame: 2 years of follow up
IKDC score, patellar tilt measurement on x-rays and CT-scan
2 years of follow up

Secondary Outcome Measures

Outcome Measure
Time Frame
rate of complications
Time Frame: 2 years of follow up
2 years of follow up

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Hospices Civils de Lyon

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

November 22, 2011

Primary Completion (Actual)

September 20, 2024

Study Completion (Actual)

September 20, 2024

Study Registration Dates

First Submitted

December 22, 2011

First Submitted That Met QC Criteria

October 30, 2012

First Posted (Estimated)

November 1, 2012

Study Record Updates

Last Update Posted (Estimated)

September 18, 2025

Last Update Submitted That Met QC Criteria

September 12, 2025

Last Verified

September 1, 2025

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • 2010.651

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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