نتایج جستجو برای: trastuzumab
تعداد نتایج: 9098 فیلتر نتایج به سال:
BACKGROUND The management of pT1a-b pN0 HER2-positive breast cancer is controversial and no data about the efficacy of trastuzumab in this setting are available from randomized clinical trials. The aims of this retrospective study were to assess how patients are managed in clinical practice in Italy, which clinical or biological characteristics influenced the choice of adjuvant systemic therapy...
Trastuzumab treatment has improved the overall survival of HER2-overexpressing breast cancer patients. However, many of these patients will eventually become resistant to treatment. The mechanisms that contribute to resistance to trastuzumab are unknown. In this study, we tested the hypothesis that targeting of the FKHR transcription factor FOXO1A in HER2-overexpressing breast tumor cells can o...
In the October 2005 edition of The New England Journal of Medicine, Gabriel Hortobagy claimed that ‘‘the results of trastuzumab adjuvant trials are not evolutionary but revolutionary’’ [1]. In effect, from the early results of the first target therapy, tamoxifene, this is the first time that such enthusiastic and dramatic results, in terms of outcome of an adjuvant therapy, have been realized. ...
Human epidermal growth factor receptor (HER)-2(+) breast cancer is a distinct molecular and clinical entity, the prognosis of which is improved by trastuzumab. However, primary resistance to trastuzumab is observed in >50% of patients with HER-2(+) advanced breast cancer, and the majority of patients who initially respond to treatment eventually develop disease progression. To facilitate crosst...
PURPOSE To evaluate noninvasive imaging methods as predictive biomarkers of response to trastuzumab in mouse models of HER2-overexpressing breast cancer. The correlation between tumor regression and molecular imaging of apoptosis, glucose metabolism, and cellular proliferation was evaluated longitudinally in responding and nonresponding tumor-bearing cohorts. EXPERIMENTAL DESIGN Mammary tumor...
Treatment of HER2+ breast cancer with trastuzumab is effective and combination anti-HER2 therapies have demonstrated benefit over monotherapy in the neoadjuvant and metastatic settings. This study investigated the therapeutic potential of targeting the BAG-1 protein co-chaperone in trastuzumab-responsive or -resistant cells. In the METABRIC dataset, BAG-1 mRNA was significantly elevated in HER2...
OBJECTIVES The aim of this study was to evaluate whether cardiac biomarkers, tissue velocity (TVI) and strain imaging, and cardiac magnetic resonance imaging can predict early left ventricular (LV) dysfunction in human epidermal growth factor receptor II-positive breast cancer patients treated with trastuzumab in the adjuvant setting. BACKGROUND Early indexes of LV systolic dysfunction with n...
BACKGROUND In New Zealand, trastuzumab is standard therapy for human epidermal growth factor receptor-2 (HER2)-positive early and metastatic breast cancer. Given the requirement for ongoing adjuvant or maintenance treatment and intravenous (IV) delivery, such a regimen consumes considerable health care resources. The development of a subcutaneous (SC) trastuzumab formulation with a short admini...
BACKGROUND Trastuzumab is used for the adjuvant (postoperative) treatment of (HER2)-positive early breast cancer. The duration of treatment is set at one year. The goal of our study was to examine the effective duration of trastuzumab treatment in routine clinical practice. PATIENTS AND METHODS We performed a retrospective review of all patients with early breast cancer, treated with trastuzu...
Trastuzumab, a drug targeting human epidermal growth factor receptor 2, improves survival rate in women with metastatic breast cancer. Symptomatic heart failure, a serious adverse effect of trastuzumab, occurs in 1% to 4% of patients treated with the antibody, whereas left ventricular ejection fraction declines substantially in 10% of patients. The prevalence of cardiotoxic effects of trastuzum...
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