1. Collection of the patient's non-opposition prior to participation in the study.
2. Patient aged ≥ 18 years at inclusion.
3. Patient with newly diagnosed advanced or metastatic prostate cancer.
4. Patients due to start systemic therapy.
5. Patients undergoing consultation.
6. Patient affiliated to a social security scheme.
7. Patient capable, according to the physician-investigator, of communicating well, understanding and complying with the requirements of the study.
8. Patient with a smartphone or computer to review the video at home.
You may not be if
1. Patient related to any member of the study staff or having a close relationship or conflict of interest with the sponsor.
2. Patient to receive only local treatment.
3. Patient who does not understand French.
4. Clinical follow-up impossible for psychological, family, social or geographical reasons.
5. Vulnerable patient: deprived of liberty by judicial or administrative decision, adult subject to legal protection or unable to express non-opposition.
Clareo Health | Optimizing the Announcement of Advanced or Metastatic Prostate Cancer Using Animated Videos (CartDiag PROSTATE)