Pfizer's two drugs significantly prolonged progression of tumor with Advanced Breast Cancer
Combination of Palbociclib with Letrozole significantly prolonging progression of tumor compared with single letrozole in post-menopausal women with estrogen receptor positive. This details resulted from PALOMA-1 study which is a Phase 2 trial designed to assess progression-free survival in post-menopausal women with ER+, HER2- advanced breast cancer receiving palbociclib in combination with letrozole versus letrozole alone.