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NCT07708584NARecruiting

Brostrom Chronic Lateral Ankle Instability Repairs Augmented With BioBrace®

Massachusetts General Hospital

Start Date

6/1/2026

Completion Date

6/1/2028

Summary

The purpose of this investigation is to evaluate pre- and post-operative patient reported outcomes and functional scores after open non-augmented Broström repair or open Broström repair augmented with the BioBrace Implant.

Detailed Description

This is a single-center, prospective, randomized (1:1) interventional study investigating the use of the BioBrace® Implant in lateral ankle ligament repair procedures performed using the Broström technique. Eligible participants who meet study criteria will be enrolled and randomized into one of two study arms: Control Group: Open standard Broström repair of the lateral ankle Treatment Group: Open Broström repair of the lateral ankle using a suture-anchor construct augmented with the BioBrace® Implant. Both groups will be immobilized for 2 weeks and then will undergo standard accelerated rehabilitation protocols (early weight-bearing and sport-specific training) unless they are not tolerated which will lead to using traditional standard protocols. Clinical evaluations will be conducted at baseline (preoperatively), and postoperatively at 2 weeks, 2 months, 6 months, and 12 months using various patient-reported outcome measures to asses pain, function, satisfaction, activity and safety post surgery. Participants will also receive biweekly (every 2 weeks) electronic questionnaires assessing return to sport and return to daily/recreational activity. These biweekly assessments will continue until the participant reports full return to their preoperative level of activity or sport. Participants who do not reach preoperative activity/sport level will continue receiving biweekly questionnaires through the 1 year final visit.

Eligibility Criteria

Age Range: 18 years to 65 years

Inclusion Criteria: * Age 18-65 years * Chronic lateral ankle instability (\>3 months) confirmed by clinical examination (positive anterior drawer test or talar tilt \>10°) and imaging (stress X-ray or MRI). * No prior ankle surgery on the affected limb. * Willingness to follow postoperative visits and rehabilitation protocols and filling out the patient reported outcome measures (PROMs) forms. Exclusion Criteria: * BMI\>40 * Significant secondary procedures done at the time of repair, including micro-fracture, or any other treatment of osteochondral lesions of the talus or tibia. * Concomitant deltoid ligament insufficiency. * Any worker's compensation case or any subject with a history of infection of the ankle predating the ankle repair. Current orthopedic issues, not related to the ankle, that prevented the patient from performing the functional tests. * Concomitant osteochondral lesions, significant degenerative changes, or severe varus/valgus deformity, neuromuscular disorders or non-adherence concerns. * Pregnant * Diagnosis of Ehlers-Danlos Syndrome or other connective tissue / hyperlaxity disorder. * Prior revision ankle ligament surgery on the affected limb (any revision Broström or lateral ligament reconstruction).

Interventions

PROCEDURE

Standard Brostrom Repair

DEVICE

Brostrom repair with augmentation

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Conditions

Lateral Ankle InstabilityChronic Lateral Ankle InstabilityBrostrom ProcedureATFLAnterior Talofibular LigamentAnkleBioinductive Implant

Locations

Massachusetts General Hospital

Boston, Massachusetts 02114

United States

Brigham and Women's Hospital

Boston, Massachusetts 02115

United States