Overall Survival with Ribociclib plus Letrozole in Advanced Breast

letrozole Letrozole is in the class of medicines called aromatase inhibitors What is hormone-receptor-positive breast cancer? Many breast cancers need estrogen andor

letrozole Drug Formulary information is intended for use by healthcare professionals It is not intended to be medical advice Some of the information, letrozole Letrozole is also used to help prevent the cancer from returning Some breast cancers are made to grow faster by a natural hormone called estrogen Letrozole