Evaluation of Collagen-based Medical Device Treatment Combined With Physiotherapy in Subjects With Achilles Tendinopathy.

"MD-Tissue (GUNA, Milan-Italy) Composition per 2 ml: collagen 100 micrograms Excipients: Ascorbic acid, Magnesium gluconate, Pyridoxine hydrochloride, Riboflavin, Thiamine hydrochloride, NaCl, Water for injection.~Subjects will be treated with No. 6 peri-tendon injections (2 infiltrations per week for three weeks)."

Group B which, will implement only physiotherapy (eccentric strengthening protocol)