Z‐TUPx NCT04405947.

Methods	Randomised controlled trial
Participants	100 participants, aged between 18 and 85 years, who are having a reverse shoulder arthroplasty for acute proximal humeral fracture, secondary osteoarthritis of the shoulder (rotator cuff arthropathy)
Interventions	1. Deltopectoral surgical approach for reverse shoulder arthroplasty 2. Antero‐superior approach for reverse shoulder arthroplasty
Outcomes	Follow‐up: 2 years Constant score, scapular notching, positioning of the implant
Notes	Found in November 2021 top‐up search. Ongoing trial. Recruitment completed. Trial dates: January 2016 to October 2020 Mixed population