Statistically conclusive or suggested result Inconclusive results Uncertain results Safety results

la/mBC - HR-positive - 1st line (L1) breast cancer - HR positive la/mBC - HR positive la/mBC - HR-positive - 1st line (L1)

versus fulvestrant
lapatinib plus fulvestrant vs. fulvestrant 1 none---
versus letrozole
lapatinib plus letrozole vs. letrozole 2 noneinconclusive results for: CBR; objective responses (ORR)

statistically conclusive 14 % decrease in progression or deaths (PFS) but the degree if certainty is unassessable

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la/mBC - HR positive - L1 - PIK3CA mutant breast cancer - HR positive la/mBC - HR positive la/mBC - HR-positive - 1st line (L1) la/mBC - HR positive - L1 - PIK3CA mutant