Role of trastuzumab in adjuvant therapy for locally invasive breast cancer

American Journal of Health-system Pharmacy : AJHP : Official Journal of the American Society of Health-System Pharmacists
Katie L Kabe, Jill M Kolesar

Abstract

The role of trastuzumab in adjuvant therapy for locally invasive breast cancer is discussed. Trastuzumab is a humanized monoclonal antibody that binds to the extracellular domain of human epidermal growth factor receptor-2 (HER2). Currently, trastuzumab is indicated for use in HER2-positive patients with metastatic breast cancer. Because trastuzumab specifically targets a receptor that is overexpressed in tumor cells, it is less likely to cause the cytotoxic adverse effects of traditional chemotherapy. Cardiotoxicity has been a major concern, however. Several trials were started to evaluate trastuzumab in the adjuvant setting in patients diagnosed with early-stage breast cancer. The interim results of these trials have shown a promising effect of adjuvant therapy with trastuzumab in improving overall survival, disease-free survival, relapse-free survival, and distant-disease-free survival. The use of trastuzumab as adjuvant therapy in patients with HER2-positive breast cancer can lead to increased survival. The appropriateness of trastuzumab therapy should be considered based on HER2 status, cost, and risk of toxicity.

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Citations

Sep 29, 2007·Plastic Surgical Nursing : Official Journal of the American Society of Plastic and Reconstructive Surgical Nurses·Susan Ely, Anna N Vioral
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