Comparing shoulder surgery to exercise for rotator cuff problems
Official title: Prosthesis Versus Active Exercise Program in Patients With Rotator Cuff Arthropathy Eligible For Reverse Shoulder Arthroplasty: the ReAct Multicenter, Randomized Controlled Trial
Run by University of Aarhus · NCT04864158 · Data updated 2026-11-12
This study tests whether shoulder surgery or a 12-week exercise program works better for people with rotator cuff problems.
Quick facts
| Study type | Interventional |
|---|---|
| Ages | 60 Years to 85 Years |
| Sex | All |
| Enrollment | 102 (estimated) |
| Sponsor | University of Aarhus Academic / other |
| Locations | 8 sites (Aarhus N and 7 other locations) |
| Status | Recruiting |
| Started | May 28, 2021 |
| Main results expected | January 2027 |
| Study ends | January 2037 |
| Registry record updated | July 2, 2026 |
| Trial ID | NCT04864158 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Ideal candidates are patients aged 60-85 years with rotator cuff arthropathy eligible for reverse shoulder arthroplasty.
✕Probably not a fit
Patients with previous shoulder fractures, other types of arthritis, or neurological diseases affecting shoulder mobility may not benefit from this study.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
This trial investigates the effectiveness of reverse shoulder arthroplasty (RSA) compared to a 12-week physiotherapist-supervised exercise program in patients with rotator cuff arthropathy. Participants eligible for RSA will be randomly assigned to either receive the surgical intervention followed by standard rehabilitation or to engage solely in the exercise program. The primary outcome will be assessed using the Western Ontario Osteoarthritis of the Shoulder index score at 12 months, with follow-ups at various intervals. The study aims to determine if surgical treatment leads to significantly better outcomes than non-surgical exercise therapy.
Why it matters
Potential benefit: If successful, this study could provide evidence for the most effective treatment approach for patients with rotator cuff arthropathy, potentially improving pain management and functional outcomes.
How similar studies have gone: Previous studies have suggested the need for trials comparing surgical and non-surgical treatments for shoulder conditions, indicating that this approach is novel and underexplored.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria: * Patients 60-85 years * Eligible for RSA * Rotator cuff arthropathy according to Hamada grade 3, 4 and 5 (33) Exclusion Criteria: * Previous shoulder fracture (fracture of the proximal humerus or glenoid fracture) * Planned other upper extremity surgery within six months * Rheumatoid arthritis or other types of arthritis not diagnosed as primary glenohumeral OA * Cancer diagnosis and receiving chemo-, immuno- or radiotherapy * Neurological diseases affecting shoulder mobility (e.g. disability after previous stroke, multiple sclerosis, Parkinson's, Alzheimer's disease) * Other reasons for exclusion (i.e. mentally unable to participate) or planned absence for more than 14 days in the first 3 months after baseline test. * Unable to communicate in the participating countries respective languages
Where it's running
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Aarhus University Hospital
Aarhus N, Denmark Recruiting -
Esbjerg Hospital
Esbjerg, Denmark Recruiting -
Aalborg University Hospital
Farsø, Denmark Recruiting -
Silkeborg Regional Hospital
Silkeborg, Denmark Recruiting -
Viborg Regional Hospital
Viborg, Denmark Recruiting -
Tartu University Hospital
Tartu, Estonia Recruiting
Show 2 more locations
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Tampere University Hospital
Tampere, Finland Recruiting -
Oslo University Hospital
Oslo, Norway Recruiting
Study contacts
- Principal investigator: Josefine B. Larsen, MSc — Aarhus University Hospital and Aarhus University
- Study coordinator: Josefine B. Larsen, MSc
- Email: josefinebl@clin.au.dk
- Phone: 4526237771
Similar studies
Other studies for the same condition or treatment. Recruiting studies are listed first.
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Tipmed Shoulder Prosthesis PMCF: safety and outcomes after shoulder replacement
This PMCF study tests the safety and function of the Tipmed shoulder prosthesis in adults undergoing reverse shoulder or hemiarthroplasty in real-world practice.
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This follow-up will track adults who receive FX Shoulder Solutions hemi or total shoulder replacements to see if the implants need revision and how well shoulder function and pain hold up over 10 years.
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How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.