Capecitabine, Tucatinib, and Intrathecal Trastuzumab for Breast Cancer Patients With Leptomeningeal Disease
The goal of this clinical trial is to evaluate the efficacy of tucatinib and capecitabine in combination with intrathecal trastuzumab on overall survival rate at 12 months in HER2-positive metastatic breast cancer (MBC) patients with proven leptomeningeal evolution and requiring intrathecal therapy.