Arvinas and Pfizer Announce Initial Phase 1b Data from the TACTIVE-U Sub-Study of Vepdegestrant in Combination with Abemaciclib at 2024 San Antonio Breast Cancer Symposium

– Vepdegestrant in combination with abemaciclib demonstrated encouraging clinical activity (clinical benefit rate: 62.5%; overall response rate: 26.7%) in patients previously treated with a CDK4/6 inhibitor –