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Platelet-Rich Plasma for Partial Rotator Cuff Tears
Sponsor: Universidade Nova de Lisboa
Summary
The goal of this clinical trial is to learn whether platelet-rich plasma (PRP) injection, made from a participant's own blood, can help heal the tendon and improve shoulder symptoms in people with partial tears of the supraspinatus tendon. The main questions it aims to answer are: * Does PRP help the tendon heal? * Does PRP improve pain, shoulder movement, daily function, and shoulder magnetic resonance imaging (MRI) findings? Researchers will compare PRP plus standard of care (physical therapy) to standard of care alone to see if PRP leads to better healing and better clinical results. Researchers will also study if differences in specific biomolecules in PRP are associated with differences in treatment response. Participants will: * receive standard of care treatment, with or without PRP injection depending on the study group * have blood collected for PRP preparation * have their pain, shoulder movement, and shoulder function assessed * undergo shoulder MRI scans * be followed over time to measure healing and symptom improvement
Official title: Performance of Autologous Platelet-rich Plasma Injection for Tendon Regeneration in Partial Supraspinatus Tears
Key Details
Gender
All
Age Range
18 Years - Any
Study Type
INTERVENTIONAL
Enrollment
100
Start Date
2026-06-01
Completion Date
2029-12-01
Last Updated
2026-06-22
Healthy Volunteers
No
Interventions
Platelet-Rich Plasma (PRP) Injections
Autologous leucocyte-poor platelet-rich plasma prepared from peripheral blood collected on the day of treatment and administered as a single ultrasound-guided percutaneous injection at or near the partial supraspinatus tendon tear, in addition to standard rehabilitation care. PRP is processed by centrifugation and a residual sample is reserved for cellular and molecular characterization