Nerz 2017.

Study name	Effectiveness of robot‐assisted training added to conventional rehabilitation in patients with humeral fracture early after surgical treatment: protocol of a randomised, controlled, multicentre trial
Methods	Multicentre randomised clinical trial. Single‐blinded (outcomes assessor). Pilot study
Participants	48 participants (actual) aged between 35 and 66 years with proximal humeral fracture (AO 11) and surgical treatment of the shoulder joint. Participants included between the fourth and seventh weeks after surgery.
Interventions	1. Robot‐assisted training using the ArmeoSpring device added to conventional occupational and physical therapy 2. Conventional occupational and physical therapy Both the intervention group and the control group received physical and occupational therapy for a period of 3 weeks.
Outcomes	Follow‐up: 3 weeks, 3, 6 and 12 months Primary outcome: DASH Secondary outcomes: Wolf Motor Function Test–Orthopaedic version Outcomes as reported in protocol
Starting date	Start date: February 2016 Completion date: December 2019
Contact information	Corinna Nerz Research associate Robert Bosch Gesellschaft für Medizinische Forschung mbH
Notes	Target number of participants was 60 Top‐up search conducted in November 2021 identified a full trial report that reported results for 48 participants (Z‐TUp Kröger 2021)