The potential benefit of trastuzumab-based therapy upon lapatinib progression in heavily preatreated patients with advanced HER2 positive breast cancer.
Abstract:e11576 Background: Overexpression of human epidermal growth factor receptor 2 (HER2) occurring in about 20% of breast cancers is associated with increased risk of disease recurrence and worse prognosis. Despite the advent of therapies that target HER2, particularly, trastuzumab and lapatinib, that have altered the natural course of HER2-positive advanced breast cancer, tumor progression remains inevitable. New agents are in clinical development, but up to date there are limited data to direct the treatment of… Show more
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