Image via WikipediaSeveral studies exploring the use of lapatinib (Tykerb, GlaxoSmithKline) in metastatic breast cancer have suggested that it may offer an alternative to chemotherapy in this setting, both as monotherapy, and in combination with other targeted therapies. One study explored the use of lapatinib alone, whereas others investigated combinations with trastuzumab (Herceptin, Genentech/Roche), with [...]