Overview A Phase II Open Label, Umbrella Study Status: Not yet recruiting Trial end date: 2025-12-31 Target enrollment: Participant gender: Summary Protocol Title: A Phase II open label, umbrella study evaluating the efficacy and safety of Fulvestrant plus DNA damage repair inhibitors in hormone receptor-positive advanced breast cancer after a CDK4/6 inhibitor Phase: Phase 2 Details Lead Sponsor: Seoul National University HospitalTreatments: FulvestrantOlaparib