To allow or avoid pain during shoulder rehabilitation exercises for patients with chronic rotator cuff tendinopathy-Study protocol for a randomized controlled trial (the PASE trial).

"Declarations Ethics approval and consent to participateThe PASE trial has been approved by the Capital Regions Research Ethics Committee (H-19050820) on 25 August 2021 and the Danish Data Protection Agency (P-2021–536) on 4 August 2021 and will be performed in accordance with the Declaration of Helsinki. The study has been prospectively registered in ClinicalTrials.gov identifier NCT05124769 on August 11, 2021, before inclusion of the first participant. Participation in the study is voluntary. Written, informed consent to participate will be obtained from all participants. All data and information collected during the trial will be treated confidentially and stored according to the requirement of the Danish Data Protection Agency. Any modification to the protocol, which may impact the study or the patient’s health, will be approved by the Capital Regions Research Ethics Committee and the Danish Protection Agency."

"Funding Open access funding provided by Copenhagen University This work is supported by the Capital Region Research Fund, the Lundbeck Foundation, Copenhagen University Hospital Bispebjerg and Frederiksberg Internal Research Fund, the Danish Physiotherapy Practice Fund, the Danish Physiotherapists Fund for Research, Education and Practice Development, and the Danish Rheumatism Association. The awarded financial support is paid into a special research account belonging to Copenhagen University Hospital Bispebjerg and Frederiksberg. The funders were not involved in any part of the research project, including the design of the study, collection, analysis, interpretation of data, and in writing the manuscript. The trial sponsor is Department of Physical and Occupational Therapy, Copenhagen University Hospital Bispebjerg Frederiksberg, Nielsine Nielsens Vej 10, Building 10, 2400, Copenhagen, Denmark, where the project is being conducted."

"Trial registration ClinicalTrials.gov NCT05124769. Registered on August 11, 2021."