Here we reviewed the recent progress of molecular targeting drugs, iuncluding trastuzumab, lapatinib, erlotinib and bevacituzumab. Fortunately, Her-2 positive cases of metastatic or relapsed cases, those with the worse prognosis, are responsive to trastuzumab-based chemotherapy. Lapatinib will likely be effective against trastuzumab-resistant cases and brain metastases. Furthermore, the introduction of bevacituzumab will improve VEGF-VEGFR- associated tumor growth.

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