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Multicentric, randomised, prospective trial to assess the efficacy and safety of a novel stemless reverse shoulder system

Multicentric, randomised, prospective trial to assess the efficacy and safety of a novel stemless reverse shoulder system

Status
Recruiting
Phases
Phase 3
Study type
Interventional
Source
DRKS
Registry ID
DRKS00034598
Enrollment
124
Registered
2024-07-03
Start date
2024-10-22
Completion date
Unknown
Last updated
2026-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Clinical and radiological indication for reverse total shoulder replacement due to osteoarthritis and/or posttraumatic arthritis and/or cuff tear arthropathy/insufficient rotator cuff

Interventions

Group 1: Reverse Shoulder Arthroplasty surgery with Stemless Reverse Medacta Shoulder System (single surgical intervention, followed by standard postoperative care) Group 2: Reverse Shoulder Arthropla

Sponsors

Medacta Germany GmbH
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: • Conservative therapy options have been exhausted • Clinical and radiological (Rx or Ct or MRT) indication for reverse total shoulder replacement due to osteoarthritis and/or posttraumatic arthritis and/or cuff tear arthropathy/insufficient rotator cuff • Functional deltoid muscle • Willingness and ability to comply with study protocol

Exclusion criteria

Exclusion criteria: • Clinical and radiological (Rx or Ct or MRT) indication for anatomic total shoulder replacement • Medical condition or balance impairment that could lead to falls • Lack of sufficient-quality bone to seat and support implant • Patients with metaphyseal cysts, osteopenia, osteoporosis, or other metabolic bone diseases, or in cases with fractures in the metaphyseal area that disturb adequate primary implant stability and secondary fixation • Neuromuscular compromise of shoulder or other disabilities affecting the maximum functional outcome • Parkinson • Hemiplegia on the affected side • Arm plexus affection on the affected side • Weight bearing shoulder due to wheel chair, crutches, rollator at the time of operation • Active metastatic or neoplastic disease at the shoulder joint • Chemotherapy treatment/radiotherapy within 6 mo before surgery • >5 mg/day of corticosteroids, excluding inhalers, within 3 years before surgery • Pregnancy or plan to become pregnant during study period • Inability to understand study or a history of noncompliance with medical advice • Current enrolment in any clinical research study that might interfere with this study • Known metal allergies or sensitivity. • Previous or actual infection at or near the site of implantation. • Previous or actual distant or systemic infection • Previous inclusion of the patient in the current study because of the controlateral shoulder • Lack of sufficient-quality bone to seat and support the metaphyseal humeral implant

Design outcomes

Primary

MeasureTime frame
Oxford Shoulder Score (12 months)

Secondary

MeasureTime frame
Implant failure according to the Kaplan Meier curve (6 weeks and 6, 12, 24 months) Range of Motion (6 weeks and 6, 12, 24 months) Radiolucencies, Migration, Osteolysis, Subsidence (6 weeks and 6, 12, 24 months) Complications and Adverse Events (6 weeks and 6, 12, 24 months) Oxford Shoulder Score (6 weeks and 6, 12, 24 months)

Countries

Germany

Contacts

Public ContactMarco Viganò

Medacta International SA

m.vigano@medacta.ch+41 91 696 60 60

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Aug 9, 2026