Comparison of Two Graft Choices in Mediale Patellofemoral Ligament Reconstruction (MPFL)

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

ACTIVE_NOT_RECRUITING

Clinical Phase

NA

Total Enrollment

90 participants

Study Classification

INTERVENTIONAL

Study Start Date

2017-07-01

Study Completion Date

2026-07-30

Brief Summary

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The purpose of this study is to elucidate surgical techniques for reconstructing MPFL in the treatment of chronic patella instability. The two techniques are conventional technique with the gracillis and screw fixation in the femur which is compared with new technique where the QT tendons and anchor fixation in the femur are used.

It would be investigated which technique provides the best stability with the least postoperative pain from the reconstruction and the lowest frequency of patellar reluxation.

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Detailed Description

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Conditions

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Patellar Dislocation

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

1. Standard: Gracillis graft
2. Intervention: Quadriceps graft

Primary Study Purpose

TREATMENT

Blinding Strategy

SINGLE

Outcome Assessors

Study Groups

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MPFL reconstruction with gracillis graft

MPFL reconstructrion with gracillis graft and screw fixation in femur

Group Type ACTIVE_COMPARATOR

Quadriceps graft

Intervention Type PROCEDURE

Using quadriceps graft as new medial patellofemoral ligament graft. Fixated with suture anchor

MPFL reconstruction with quadriceps graft

MPFL reconstructrion with quadriceps graft and suture anchor fixation in femur

Group Type EXPERIMENTAL

Quadriceps graft

Intervention Type PROCEDURE

Using quadriceps graft as new medial patellofemoral ligament graft. Fixated with suture anchor

Interventions

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Quadriceps graft

Using quadriceps graft as new medial patellofemoral ligament graft. Fixated with suture anchor

Intervention Type PROCEDURE

Eligibility Criteria

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Inclusion Criteria

* Patients between 15 and 40 years of age with chronic tendency to lateral patellar dislocation (defined as 2 or more verified dislocation cases)
* The growth zones must be found closed - verified by MRI scan

Exclusion Criteria

* Patients with known rheumatoid arthritis.
* Patients with arthroscopically detected osteoarthritis (grade 3 cartilage lesion)
* Inability to follow a normal rehabilitation regime.
* Previous ligament surgery in injured knees.

Minimum Eligible Age

15 Years

Maximum Eligible Age

40 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes