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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Trastuzumab: triumphs and tribulations.

The human epidermal growth factor receptor 2 (HER2) tyrosine kinase receptor is overexpressed in approximately 20-30% of human breast cancers, and is associated with reduced survival. Hence, numerous therapeutic strategies have been tested for their ability to target the HER2 protein. The humanized monoclonal antibody trastuzumab (Herceptin) was the first HER2-targeted agent approved for clinical use in breast cancer patients. Response rates to single-agent trastuzumab range from 12 to 34% for metastatic breast cancer (MBC), and significant improvements in survival rates are achieved in patients with early-stage HER2-overexpressing breast cancer in the adjuvant setting. Despite its initial efficacy, acquired resistance to trastuzumab develops in a majority of patients with MBC, and a large subset never responds, demonstrating primary resistance. Molecular mechanisms of trastuzumab antineoplastic activity and potential mechanisms contributing to its resistance will be discussed in this review. Novel agents that may enhance trastuzumab efficacy will also be discussed.[1]


  1. Trastuzumab: triumphs and tribulations. Nahta, R., Esteva, F.J. Oncogene (2007) [Pubmed]
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