Abstract

Researches on the breast cancer pathogenesis have been greatly progressed within the past few decades, so does the immunohistochemical classification of breast cancer. Recent clinical trials and studies have shown that endocrine therapy has become a clear target treatment with confirmed efficacy of breast cancer. In the drug selection of endocrine therapy for breast cancer, tamoxifen and toremifene have been approved by the U.S. Food and Drug Administration (FDA) successively on the treatment of peri-menopausal breast cancer patients with positive hormone receptor. A number of domestic and foreign researches have been done in comparison of using toremifene and tamoxifen alone, or both in the endocrine therapy for breast cancer; however results and conclusions vary among different studies. This article will mainly focus on reviewing literatures of this field from four aspects, the efficacy, safety, quality of life and economic benefits, and discussing the clinical progress of toremifene and tamoxifen in endocrine therapy for breast cancer.

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