The aim of this registry study with long-term follow-up is to record the course of therapy and disease in patients with recurrent and metastatic prostate cancer. The following patient groups are planned: * Patients with a recurrence of PSA after surgical removal or radiation of the prostate due to prostate cancer; so-called PSA recurrence (relapse) or biochemical recurrence. * Patients with a PSA recurrence who have received treatment by hormone deprivation therapy (so-called androgen deprivation) and in whom the PSA value has nevertheless risen again without spreading to other organs or parts of the body, so-called non-metastatic castration-resistant prostate cancer. * Patients with proven spread to other organs or parts of the body (= metastases, e.g. in the bone) without hormone deprivation therapy having been initiated, so-called metastatic hormone-sensitive prostate cancer. * Patients with prostate cancer and spread to other organs or parts of the body (= metastases) in whom the tumor disease has progressed despite hormone withdrawal treatment (e.g. as evidenced by an increase in PSA), so-called metastatic castration-refractory prostate cancer. These four groups of patients are enrolled and observed independently of each other at different time periods.
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Therapy Frequencies and Patterns of Therapy
Timeframe: Through study completion, an average of 7 years