Overview
This is a prospective, open, randomized phase II trial.
Description
Patients will be randomized between SBRT alone (38 Gy in 4 fractions) or SBRT (same schedule) along with short course (6 months) androgen deprivation (STAD). All patients will be treated by intensity modulated radiotherapy. Regarding the combined modality approach, SBRT has to start within 3 months from the first injection of LHRH analogue.
Eligibility
Inclusion Criteria:
- Histologically proven prostate adenocarcinoma
- IR or HR in the NCCN definition
- N0M0 at staging with choline or (preferably) PSMA PET-CT;
- ECOG performance status between 0 and 2;
Exclusion Criteria:
- Previous local treatment of the prostate with surgery (radical prostatectomy or cryotherapy)
- Previous radiotherapy to the pelvis
- Previous chemotherapy for malignancy in past 5 years
- Impossibility to implant fiducials for tracking purposes
- Impossibility to undergo MRI of the prostate
- Contraindication to short term AD
- Prostate volume >90cc