HER2-positive Metastatic Breast Cancer Clinical Trial
Official title:
SRT Versus WBRT Combined With Pyrrotinib and Capecitabine in the Treatment of HER2-positive Advanced Breast Cancer Patients With Brain Metastases: A Randomized Controlled, Prospective Clinical Study
This study evaluates the efficacy and safety of SRT combined with pyrotinib and capecitabine in the treatment of patients with HER2-positive advanced breast cancer patients with brain metastases.
Brain metastases occur in 30-50% of patients with metastatic HER2-positive breast cancer. In the case of multiple brain metastases, radiation therapy is the preferred therapeutic approaches. However, the side effects of WBRT for long-lived patients are also obvious, such as irreversible decline in cognitive function and decline in memory function. WBRT can also cause extensive hair loss and extensive white matter lesions on imaging. Pyrotinib as an oral tyrosine kinase inhibitor has good efficacy and safety in patients with breast cancer brain metastases. Therefore, in order to reduce the impact of WBRT on the cognitive function, a phase II clinical study of SRT versus WBRT combined with pyrotinib and capecitabine in the treatment of MBC with brain metastases was carried out to explore the efficacy and safety of radiotherapy de-escalation therapy. ;
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