alpelisib plus letrozoletitleletrozoletitleNEO-ORB (wild type cohort), 2019 NCT01923168 la/mBC - HR positive - (neo)adjuvant (NA) 131/126NEO-ORB (mutant cohort), 2019 NCT01923168 la/mBC - HR positive - (neo)adjuvant (NA) -9/126

Pathology:  la/mBC - HR positive - (neo)adjuvant (NA); 

la/mBC - HR positive - (neo)adjuvant (NA)
NEO-ORB (wild type cohort), 2019NEO-ORB (mutant cohort), 2019
alpelisib plus letrozole2T1T1
letrozole0T0T0