4,186
Participants
Start Date
November 5, 2025
Primary Completion Date
November 5, 2029
Study Completion Date
November 5, 2032
Biospecimen Collection
Undergo collection of blood samples
Genetic Testing
Undergo genetic testing
Communication Intervention
Receive proband-mediated communication
Survey Administration
Ancillary studies
National Cancer Institute (NCI)
NIH
Alliance for Clinical Trials in Oncology
OTHER