REG - AstraZeneca PLC - Update on SERENA-4 Phase III trial
RNS Number: 5166U AstraZeneca PLC 14 September 2026 This announcement contains inside information14 September 2026Update on SERENA-4 Phase III trial of Etcamah in combination withpalbociclib in upfront 1st-line advanced ER-positive breast cancerSERENA-4 trial did not meet primary objective of…