EUCTR2018‐002650‐67‐ES.

Study name	Efficacy of plasma injections and extracorporeal shock wave therapy in the treatment of work–related lateral epicondylitis
Methods	Single‐centre 3‐arm parallel randomised controlled trial
Participants	Inclusion criteria Worker with diagnosed work‐related epicondylitis (ICD 9‐CM code 726.32) as the primary diagnosis, receiving health care in Ibermutuamur 18 years of age or older Received this diagnosis after being explored: painful sensitivity to pressure on the epicondyle; Cozen maneuver; chair test; radiological examination Does not present remission of symptoms after approximately 25 days of conservative treatment that includes oral medication, local cold, functional relative rest, and rehabilitation Exclusion criteria Cervical pathology Posterior interosseous neuropathy Any kind (unless cancer pathology at hospital discharge) of cancer Mental health problem that prevents successful adherence to rehabilitation treatment Thrombocytopenia Pacemaker Clotting problem or anticoagulant therapy Rheumatoid arthritis diagnosed Pregnant or breastfeeding Treatment with deposit of glucocorticoid infiltrations in the last 6 weeks
Interventions	Autologous platelet‐rich plasma injection Extracorporeal shock wave therapy Both
Outcomes	Outcomes are measured at 10 days, 1 month, and 3 months Primary outcomes VAS pain score DASH score Biomechanical assessment using ultrasound Secondary outcomes Cost‐effectiveness of the 3 treatment care protocol modalities in controlling the work‐related sick leave period
Starting date	15/11/2018
Contact information	Departamento Proyectos Sanitarios, Calle Ramirez de Arellano 27, 28043, Madrid, Spain
Notes	Authorised ‐ recruitment may be ongoing or finished