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      Real-World Data of Pyrotinib-Based Therapy in Metastatic HER2-Positive Breast Cancer: Promising Efficacy in Lapatinib-Treated Patients and in Brain Metastasis.

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          Abstract

          Pyrotinib is a newly-developed irreversible pan-ErbB receptor tyrosine kinase inhibitor. This study reported the first real-world data of pyrotinib-based therapy in metastatic human epidermal growth factor receptor 2 (HER2)-positive (BC), focusing on efficacy in lapatinib-treated patients and in brain metastasis. Methods One hundred thirteen patients with metastatic HER2-positive BC treated with pyrotinib-based therapy in Fudan University Shanghai Cancer Center under non-clinical trial settings from September 1, 2018 to March 1, 2019 were included.

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          Breast Cancer Treatment

          Breast cancer will be diagnosed in 12% of women in the United States over the course of their lifetimes and more than 250 000 new cases of breast cancer were diagnosed in the United States in 2017. This review focuses on current approaches and evolving strategies for local and systemic therapy of breast cancer.
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            Trastuzumab emtansine (T-DM1) versus lapatinib plus capecitabine in patients with HER2-positive metastatic breast cancer and central nervous system metastases: a retrospective, exploratory analysis in EMILIA†

            In a retrospective analysis of the EMILIA study, the rate of central nervous system (CNS) progression in patients with human epidermal growth factor receptor 2-positive metastatic breast cancer was similar for trastuzumab emtansine (T-DM1) and for capecitabine–lapatinib. In patients with treated, asymptomatic CNS metastases at baseline, T-DM1 was associated with significantly improved overall survival versus capecitabine–lapatinib.
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              Pyrotinib or Lapatinib Combined With Capecitabine in HER2–Positive Metastatic Breast Cancer With Prior Taxanes, Anthracyclines, and/or Trastuzumab: A Randomized, Phase II Study

              Pyrotinib, an irreversible pan-ErbB inhibitor, showed promising antitumor activity and acceptable tolerability in a phase I trial. We assessed the efficacy and tolerability of pyrotinib versus lapatinib, both in combination with capecitabine, in women with human epidermal growth factor receptor 2 (HER2)-positive metastatic breast cancer in an open-label, multicenter, randomized phase II study.
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                Author and article information

                Journal
                Cancer Res Treat
                Cancer research and treatment : official journal of Korean Cancer Association
                Korean Cancer Association
                2005-9256
                1598-2998
                Apr 24 2020
                Affiliations
                [1 ] Department of Medical Oncology, Fudan University Shanghai Cancer Center, Shanghai, China.
                [2 ] Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China.
                Article
                crt.2019.633
                10.4143/crt.2019.633
                32340083
                6848c56c-c5fb-43f4-b968-e53538595f52
                History

                HER2-positive breast cancer,Brain metastasis,Pyrotinib,Tyrosine kinase inhibitor,Lapatinib-treated

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