Comparative Study of Diagnostic and Prognosis Biomarkers of Prostate Cancer in Liquid Biopsy (HOPE)

Inclusion Criteria:

Concerning patients:

1. / Patient with suspected prostate cancer or prostatic hyperplasia with a PSA level ≥ 4 ng / ml
2. / Patient diagnosed by prostate MRI in the course of treatment
3. / No infectious episode in the week before the visit (in particular no urinary tract infection) documented by dipstick and absence of fever
4. / Information of the patient and signature of informed consent or his legal representative.
5. / Participant affiliated to a social security scheme

Regarding healthy volunteers:

1. / Male from 50 to 70 years old
2. / PSA level \< 4 ng / mL
3. / No infectious episode in the week before the visit (in particular no urinary tract infection), documented by dipstick and the absence of fever
4. / Absence of cancer and history of haematological pathologies \< 5 years (in particular leukemia, lymphoma).
5. / Patient information and signature of consent

Exclusion Criteria:

1 / Participants who refused to participate in the biological collection 2) Persons deprived of their liberty or under guardianship. 3) Inability to undergo medical monitoring of the trial for geographical, social or psychological reasons.