A Study to Compare the Outcome of Primary Anatomic Shoulder Arthroplasty Using the Stryker ReUnion System with Implantation of Either a Peg or Keel Glenoid Construction.


About this study

The purpose of this study is to compare the outcome of primary anatomic shoulder arthroplasty using the Stryker ReUnion system with implantation of either a peg or keel glenoid construction.

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:

  • Subjects willing to sign the informed consent.
  • Male and female subjects ages 18 – 90 at the time of surgery.
  • Subjects indicated for an anatomic total shoulder arthroplasty (including primary glenohumeral osteoarthritis, avascular necrosis, and inflammatory arthritis).

Exclusion Criteria:

  • Inability to comply with follow-up requirements.
  • Known or presumed substantial rotator cuff disorders.
  • Subjects with an active or suspected latent infection in or about the shoulder.
  • Subjects with instability (surgically or non-surgically addressed).
  • Subjects presenting with posttraumatic avascular necrosis.
  • Need for glenoid bone grafting.
  • Pregnant subjects.

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

Rochester, Minn.

Mayo Clinic principal investigator

Mark Morrey, M.D.

Closed for enrollment

More information


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