A particularly interesting signal was derived from comparative analyses of the predefined molecular subgroups of PIKTAM, which support the concept of precision oncology in HR + mBC: In patients with tumors harboring oncogenic PIK3CA mutations, a clear trend of improved outcomes with buparlisib/tamoxifen treatment was observed.
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Buparlisib in combination with tamoxifen in pretreated patients with hormone receptor-positive, HER2-negative advanced breast cancer molecularly stratified for PIK3CA mutations and loss of PTEN expression.
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