Multicentre International STudy for the Prevention With Ialuril® of Radio-induced Cystitis (MISTIC)

Radiotherapy will last for 6 weeks. During planning of treatment, regimen and average dose to the whole bladder will be recorded to assess the impact of EBRT on urinary symptoms. The treated-group will receive also intravesical Ialuril® weekly for 6 weeks (in the 24 hours before every radiation therapy weekly schedule), plus oral treatment with Ialuril® Soft Gels capsules (1 capsule twice a day after meals, at a distance of 12 hours, for 12 weeks). The control-group will receive radiotherapy only for 6 weeks. The Primary Objective is to assess the tolerability and safety of HA-CS intravesical instillations (Ialuril®) plus an oral combination of curcumin, quercetin, HA and CS (Ialuril® Soft Gels) in male patients undergoing radiotherapy for prostate cancer The efficacy of the treatment will be evaluated at the end of the study once received all the crfs.