AstraZeneca Etcamah SERENA-4 Trial Misses Primary Endpoint in First-Line Breast Cancer Study
AstraZeneca’s Phase III SERENA-4 trial of Etcamah (camizestrant) plus palbociclib missed statistical significance for progression-free survival in first-line advanced ER-positive breast cancer, though a numerical benefit was observed. The company says the miss sharpens its focus on ESR1-mutation-driven use of Etcamah under its existing SERENA-6 approval, with safety unchanged from each medicine’s known profile.
