neratinib based treatmentpertuzumab based treatmenttrastuzumab based treatmenttucatinib based treatment
neratinib neratinib plus capecitabine pertuzumab plus trastuzumab pertuzumab plus trastuzumab plus docetaxel trastuzumab plus endocrine therapy trastuzumab plus epirubicin and cyclophosphamide followed by docetaxel tucatinib plus trastuzumab plus capecitabine
es-BC - HER2 negative - (neo)adjuvant (NA) 1
es-BC - HER2 positive - (neo)adjuvant (NA) 4   
la/mBC - HER2 positive
la/mBC - HER2 positive - (neo)adjuvant (NA)
la/mBC - HER2 positive - 1st Line (L1) 5        
la/mBC - HER2 positive - 2nd Line (L2) 13         
Comparator:  vs lapatinib plus epirubicin and cyclophosphamide followed by docetaxel;   vs trastuzumab;   vs trastuzumab plus docetaxel;   vs trastuzumab plus chemotherapy;   vs placebo;   vs lapatinib plus capecitabine;   vs trastuzumab plus capecitabine; 
Risk of bias:  low;   some concerns;   high;  NA;