In the only larger sequencing study performed in men of African ancestry, including 2098 men with prostate cancer—of which 73 men had documented metastatic disease—Matejcic et al. (8) observed that 5.7% of men with metastatic prostate cancer were carriers of a pathogenic variant in a panel of 19 DDR genes. This evidence concerns the gene DDR1 and Familial prostate cancer.