pertuzumab based treatment
pertuzumab plus trastuzumab pertuzumab plus trastuzumab plus docetaxel
la/mBC - HER2 positive - 1st Line (L1) 5      
Comparator:  vs trastuzumab;   vs trastuzumab plus docetaxel; 
Risk of bias:  low;   some concerns;   high;  NA;