afatinib based treatmentneratinib based treatmenttucatinib based treatmentlapatinib based treatment
afatinib plus vinorelbine neratinib neratinib plus capecitabine tucatinib plus trastuzumab plus capecitabine lapatinib lapatinib plus capecitabine lapatinib plus trastuzumab
la/mBC - HER2 positive - 2nd Line (L2) 13               
Comparator:  vs trastuzumab plus vinorelbine;   vs trastuzumab plus capecitabine;   vs lapatinib;   vs placebo;   vs lapatinib plus capecitabine; 
Risk of bias:  low;   some concerns;   high;  NA;