The best replacement for lapatinib is trastuzumab.

The best alternatives to lapatinib are rated as following:
★★★★★  trastuzumab
★★★  tykerb

Your alternative for lapatinib is not listed? Suggest!
Speaking about lapatinib, one probably shouldn't forget about herceptin.

Other search terms related to lapatinib and their ratings are:
★★★★★ herceptin
You have in mind a companion for lapatinib and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of lapatinib in all years. Click on graph for more.
lapatinib
trastuzumab
tykerb