SOLO1 is a randomized, controlled, double-blind trial. Eligible pts had newly diagnosed, FIGO stage III–IV, high-grade serous or endometrioid ovarian, primary peritoneal and/or fallopian tube cancer with a BRCAm….Maintenance olaparib led to a substantial, unprecedented improvement in PFS, with an estimated difference in median PFS for olaparib versus placebo of approximately 3 years.