Inclusion Criteria- Adults men, age greater 18 years,
- Affiliation to French Health System,
- Diagnosis of prostate cancer
- At least one dispensation (leading to a reimbursement claim) in a 1.5 year period of an androgen-deprivation therapy or a hospitalization for orchiectomy.
Exclusion Criteria- Orchiectomy for another reason that prostate cancer.
- Patients treated with both Gonadotropin Releasing Hormone agonists and bilateral orchiectomy will be excluded from analyses.