Metastatic Breast Cancer Clinical Trial
Official title:
A Randomised, Multicentre, Open-label Phase II Trial Investigating Activity of Chemotherapy and Lapatinib and Trastuzumab in Patients With HER2-positive Metastatic Breast Cancer (MBC) Refractory to Anti HER2 Therapies
Recent clinical studies have shown that the combination of lapatinib and trastuzumab has superior antitumor activity compared to either single drug in both neoadjuvant and metastatic setting and is well tolerated. According to this evidence, the combination of lapatinib and trastuzumab today offers a valid chemotherapy-free option, primarily for patients with pre-treated HER2-positive MBC
The present study is designed to determine the efficacy and safety profile of the combination of lapatinib and trastuzumab (plus endocrinetherapy in ER-positive breast cancer) versus trastuzumab and chemotherapy in heavily pretreated patient population with HER2-positive MBC and to investigate the predictive role of cfDNA for detection of HER2 gene amplification on patients' outcome. The presence of circulating free DNA (cfDNA) for detection of HER2 gene amplification was associated with worse prognosis and seems to allow early response evaluation. However, many aspects of the role of cfDNA detection in patients undergoing molecular target agents such as trastuzumab or lapatinib are not well described. With the availability of improved and standardized techniques for cfDNA detection, it should now be possible to examine several of these important questions within a prospective multicenter study and a striking potential of cfDNA for detection of HER2 gene amplification might enable a more individual and optimized antimetastatic therapy inpatients with cancer. ;
Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Treatment
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