Male breAsT cAncer preDisposition Factor: Creation of a Control Cohort 2

This is an interventional, prospective, single-center study designed to collect and describe genetic, environmental and psychosocial control data from male participants. The participants did not have any prior history of cancer at the time of the oncogenetic consultation and do not have the family mutation researched during the oncogenetic consultation (targeted genetic testing). The participants are referenced in the IUCT-O medical records as family members of patients suffering from male breast cancer. The study will be conducted on a population of 120 participants.

NCT Number	NCT07558343
Lead Sponsor	Institut Claudius Regaud Collaborators: Ligue contre le cancer, France
Conditions	Male Breast Cancer
Enrollment	120 participants
Start Date	2026-06-15
Primary Completion	2027-07-15 (estimated)
Study Completion	2027-07-15 (estimated)
Updated on ClinicalTrials.gov	2026-04-30