About this trial

The goal of this clinical trial is to compare two different types of reverse shoulder replacements. Researchers will compare a conventional reverse shoulder replacement with a lateralized reverse shoulder replacement to see if there is a difference in how well the patients function after two years.

Eligibility criteria

Qualifiers

Eligible for primary RSA due to OA, massive RC tear, failed RC repair or post-instability osteoarthritis

Able to read or write Norwegian

Disqualifiers

Severe osteoporosis

Osteonecrosis of the humeral head

Dementia

Poor deltoid function

Trial design

Treatments tested in this trial

  • BIO-RSA
  • RSA

Treatment groups

130 Participants
are divided into 2 treatment groups

Locations

2
Sykehuset Telemark HF3710, SkienTelemark, Norway
Lovisenberg Diaconal Hospital0456, Oslo Norway

Sponsors and collaborators

Lovisenberg Diakonale Hospital

Lead sponsor

Haukeland University Hospital

Collaborator

Sykehuset Telemark

Collaborator

University Hospital, Akershus

Collaborator