Niraparib, Abiraterone Acetate and Prednisone for mHSPC With Deleterious Homologous Recombination Repair Alterations

metastatic hormone-sensitive prostate cancer (mhspc), deleterious hrr gene mutation, brca1 gene mutation, brca2 gene mutation, brip1 gene mutation, chek2 gene mutation, fanca gene mutation, palb2 gene mutation, rad51b gene mutation, rad54l gene mutation, interventional, phase2