...we conducted a retrospective cohort study to assess the efficacy and safety of olaparib maintenance therapy in BRCA wild-type ovarian cancer patients in the first-line setting….The 1-year PFS rate was 75.2% (95% CI, 63.4 to 89.2) and the median PFS was 21.0 months (95% CI, 13.8 to 28.2). All patients received olaparib at a starting dose of 300 mg twice daily and no patients experienced serious adverse events (AEs).