progression or deaths (PFS)

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

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

versus paclitaxel
ipatasertib plus paclitaxel vs. paclitaxel 1 -