Investigator No Longer at Institution
The Impact of Conjoint Tendon Resection on Functional Internal Rotation of the Shoulder Following Reverse Shoulder Arthroplasty: A Prospective, Randomized Clinical Trial
Sponsor study identifier
interventional
26
1 country
1
Study Start
April 5, 2023
Actual (reported)Primary Completion
May 16, 2024
Actual (reported)Study Completion
May 16, 2024
Actual (reported)Reverse total shoulder arthroplasty (RTSA) can reliably restore active forward elevation, abduction, and external rotation, which are often lost in patients with massive rotator cuff tears. However, functional internal rotation (i.e., functional movements of the hand behind the body) is often unsatisfactorily restored and/or lost after RTSA. This study aims to compare the standard surgical approach for RTSA to RTSA with conjoint tendon resection with the targeted metric being postoperative functional internal rotation.
Registry-reported information. Elapsed time and enrollment totals alone do not measure study progress or recruitment pace.
May 16, 2024
Actual (reported)Click on a node to explore related trials.
Some registry-reported names shown below are not yet linked in this graph.
Dates and qualifiers reported by the registry. Estimated dates do not confirm that a milestone has occurred.
February 12, 2023
Actual (reported)March 3, 2023
Actual (reported)April 5, 2023
Actual (reported)May 16, 2024
Actual (reported)May 16, 2024
Actual (reported)October 30, 2025
Actual (reported)Functional Internal Shoulder Rotation
. Functional internal rotation will be measured based on the highest anatomical level that the patient's thumb can reach: * Side * Ipsilateral buttock * Lower lumbar * Mid-lumbar * Upper lumbar * Thoracolumbar junction * T10 and above
Functional Internal Shoulder Rotation will be measured at the 6 Month FU
For RTSA using a deltopectoral approach, the Perform glenoid and humeral components of Tornier Stryker Reverse Shoulder system will be used for all cases. The sizes and offsets of the components will be chosen based on each patient's local anatomy which will vary among patients. The subscapularis tendon will be repaired using three transosseous nonabsorbable sutures whenever there is a reparable subscapularis tendon. After definitive implantation of the prosthesis is completed, in the 'no interventional' group, the wound will be closed in layers, and the shoulder will be immobilized in an abduction sling.
RTSA in the experimental group will be identical, except for that after definitive implantation of the prosthesis is completed, in the 'experimental' group, the conjoint tendon will be released completely via a transverse incision made at a level 2 cm distal to the coracoid process for the patients assigned the conjoint resection group. Electrocautery will be used for the resection, and the underlying muscular portion of the conjoint tendon will be preserved. As mentioned above, the control group will not receive this conjoint tendon resection. Similarly, in the experimental group, the wound will be closed in layers, and the shoulder will be immobilized in an abduction sling.
For conjoint tendon resection in the experimental group, the conjoint tendon will be released completely via a transverse incision made at a level 2 cm distal to the coracoid process for the patients assigned the conjoint resection group. Electrocautery will be used for the resection, and the underlying muscular portion of the conjoint tendon will be preserved.
Registry-reported names are shown in full. Names without a link have not yet been matched to a Syfrah profile.
Missouri Orthopaedic Institute
Columbia, Missouri, 65201, United States
26 participants (actual enrollment reported by the registry).
First Submitted
February 12, 2023
Virtual Visits for Postoperative Care Following Urogynecologic Surgery
Contact the study team to confirm eligibility.
First Posted
March 3, 2023
Study Start
April 5, 2023
Actual (reported)Primary Completion
May 16, 2024
Actual (reported)Study Completion
May 16, 2024
Actual (reported)Last Updated
October 30, 2025
Results First Posted
October 30, 2025
Record last verified: 2025-10
Data collection for individual participant data will primarily be electronically based and not available to members outside of the research team. A breach of confidentiality and/or privacy is a risk of this study. To prevent this, all collected data will be stored electronically in password-protected files to protect patient identity and information. All information will be collected and reviewed by the research team only. Data will be maintained on a password-protected computer that will be accessible only to the study team. No patient identifiers will be maintained in the database. Every attempt will be made to minimize missing data. Multiple contact details will be taken at recruitment, and a system of reminders plus phone contact if applicable will be made to ensure patients make follow-up appointments.
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Source: ClinicalTrials.gov.
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