| lapatinib based treatment |
| lapatinib | lapatinib plus capecitabine | lapatinib plus fulvestrant | lapatinib plus letrozole | lapatinib plus trastuzumab |
Comparator:
vs trastuzumab plus capecitabine; vs lapatinib; vs fulvestrant; vs letrozole;
Risk of bias:
low;
some concerns;
high;
NA;