PRostate Olaparib Real World Evidence Study

Inclusion Criteria: * Adult male patients (≥ 18 years old) * With metastatic castration-resistant prostate cancer - Who have initiated olaparib within the last two months of study entry, or for whom the decision to be treated with olaparib has been made by their physician * Who have been informed and are not opposed to this data collection Exclusion Criteria: * Patients opposed to the collection of their data * Patients participating in a clinical trial with an investigational prostate cancer targeted drug within 30 days prior to Olaparib initiation