After the initial results were extremely positive, at the 5-year follow-up of the pivotal SOLO-1 study in women with newly diagnosed advanced ovarian cancer and BRCA1/2 mutation, the maintenance treatment with olaparib led to a doubling of the PFS, statistically significant, according to data presented at the SGO 2021 Annual Meeting. Here, BRCA1 is linked to ovarian carcinoma.