A Study to Evaluate Meniscal Extrusion with and without Medial Knee Unloader Bracing Using Ultrasound


About this study

The purpose of this study is to quantify medial meniscal extrusion with and without a medial knee unloader brace using ultrasonography in patients with isolated medial knee pain.

Participation eligibility

Participant eligibility includes age, gender, type and stage of disease, and previous treatments or health concerns. Guidelines differ from study to study, and identify who can or cannot participate. There is no guarantee that every individual who qualifies and wants to participate in a trial will be enrolled. Contact the study team to discuss study eligibility and potential participation.

Inclusion Criteria:

  • Male or female gender.
  • Adults aged 18-100 years old.
  • Isolated medial knee pain secondary to medial meniscal pathology or medial compartment osteoarthritis.
  • Willingness to trial a medial knee unloader brace for symptomatic improvement.
  • Ability to ambulate 100ft without an assistive device.

Exclusion Criteria: 

  • No medial knee joint pain.
  • Lateral knee joint pain.
  • History of knee arthroplasty on affected side.
  • Prior meniscal surgery.
  • Prior use of a medial knee unloader brace.
  • Knee xrays taken greater than 6 months prior to study enrollment.

Participating Mayo Clinic locations

Study statuses change often. Please contact the study team for the most up-to-date information regarding possible participation.

Mayo Clinic Location Status Contact

Minneapolis, Minn.

Mayo Clinic principal investigator

Elena Jelsing, M.D.

Open for enrollment

Contact information:

Wade Johnson D.O.

(507) 594-4700

More information


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