PEACE 7 is an international, multicenter, randomized, open-label phase III study that aims at evaluating the efficacy and safety of darolutamide and of stereotactic dose escalated prostate radiotherapy in patients with localised prostate cancer and high-risk features of relapse (defined as patients with at least 2 high-risk criteria from National Comprehensive Cancer Network (NCCN) classification) using a factorial (2x2) design. The primary objective of this study is to assess the efficacy of darolutamide and of a stereotactic dose escalated radiotherapy targeting prostate in combination with ADT and pelvic nodal radiotherapy in terms of metastasis-free survival (MSF). Patients will be randomized (1:1:1:1) to receive either: * Arm A (Standard arm): ADT + conventional fractionated or moderately hypo-fractionated prostate radiotherapy including pelvic nodal radiotherapy * Arm B (Experimental arm): ADT + conventional fractionated or moderately hypo-fractionated prostate radiotherapy including pelvic nodal radiotherapy + darolutamide * Arm C (Experimental arm): ADT + conventional fractionated or moderately hypo-fractionated pelvic nodal radiotherapy + Prostate SBRT * Arm D (Experimental arm): ADT + conventional fractionated or moderately hypo-fractionated pelvic nodal radiotherapy + Prostate SBRT + darolutamide Patient will receive systemic treatments (ADT and/or darolutamide) during 2 years where visits on site are planned at D45, D90, D180 and then every 3 months for checkups and follow prostate specific antigen (PSA) level. Metastasis-free survival (MFS) is defined as the time interval from randomization to the date of the appearance of metastasis (on next generation imaging) or death (from any cause), whichever occurs first. Radiographic evaluation will be carried out at the time of biochemical failure (Phoenix criteria) or in case of clinical suspicion. After biochemical failure (Phoenix criteria) radiographic evaluation on next generation imaging (prostate-specific membrane antigen (PSMA) positron emission tomography (PET) scan (any European Medicines Agency (EMA) approved PSMA tracer)) will be performed every 6 months until a metastatic site of relapse is identified and will be repeated at each subsequent PSA progression.
Age range
18 Years – 80 Years
Sex
MALE
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Metastasis-free survival
Timeframe: from randomization to the onset of metastasis or death, up to 8.5 years