Treatment of Aggressive Prostate Cancer in Real Life: Initiation, Schedule and Management of Triptorelin Treatment.

Inclusion Criteria: * At least 18 years old * Histologically confirmed prostate cancer * Triptorelin to be initiated in its labelled indication for a planned total duration of at least 12 months; decision to start triptorelin was made voluntarily by the physician as part of routine medical practice, prior to the inclusion in the study * Ability to understand and complete questionnaire, Exclusion Criteria: * Previously received a hormonal therapy during the last 6 months before inclusion, * Simultaneously participates in a clinical trial.