letrozole,palbociclib
pfizer,novartis
['letrozole', 'palbociclib', 'breast', 'lba1003']
unchanged os when palbociclib (p) added to letrozole for hr+ve advanced #breastcancer (#asco22 lba1003) may be due to reduced dose (36% pts). #auc is 45% for p 100mg cf p 125mg dosing (tamura 2016)
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