Glenosphere Size and Scapular Notch in RSA, Prospective Randomized Study

Influenze of Glenosphere Size in Scapular Notch Development. Randomized Study Comparing 42 to 38 ECC

Status

Completed

Phases

Study type

Interventional

Source

ClinicalTrials.gov

Registry ID

NCT03730597

Acronym

GSSNRSA

Enrollment

Registered

2018-11-05

Start date

2014-09-01

Completion date

2016-09-09

Last updated

2019-03-12

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

Conditions

Total Shoulder Arthroplasty

Brief summary

Scapular notch can be reduced by using bigger glenospheres but in some patients it cannot be implanted because of small size. If small size of glenosphere is used then scapular notch may increase. To improve that situation, eccentricity has been added to some glenospheres to increase glenoid overhanging. The objective is to assess if eccentricity can avoid scapular notch as effectively as bigger glenospheres.

Interventions

DEVICEreverse shoulder arthroplasty

prosthesis implantation

Study design

Allocation

RANDOMIZED

Intervention model

PARALLEL

Primary purpose

PREVENTION

Masking

SINGLE (Outcomes Assessor)

Masking description

blinded to purpose of study and to randomization

Intervention model description

randomized study

Eligibility

Sex/Gender

ALL

Healthy volunteers

Inclusion criteria

* Patients undergoing reverse shoulder prosthesis because of rotator cuff disordes andacute fractures

Exclusion criteria

* patients with previous surgery * patients with deltoid deficiency * patients with acute infection

Design outcomes

Primary

Measure	Time frame	Description
scapular notch development	two years	X-ray assessment of scapular notch development

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026